| 1 | /* ieee.c -- Read and write IEEE-695 debugging information. |
| 2 | Copyright (C) 1996 Free Software Foundation, Inc. |
| 3 | Written by Ian Lance Taylor <ian@cygnus.com>. |
| 4 | |
| 5 | This file is part of GNU Binutils. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| 20 | 02111-1307, USA. */ |
| 21 | |
| 22 | /* This file reads and writes IEEE-695 debugging information. */ |
| 23 | |
| 24 | #include <stdio.h> |
| 25 | #include <assert.h> |
| 26 | |
| 27 | #include "bfd.h" |
| 28 | #include "ieee.h" |
| 29 | #include "bucomm.h" |
| 30 | #include "libiberty.h" |
| 31 | #include "debug.h" |
| 32 | #include "budbg.h" |
| 33 | |
| 34 | /* This structure holds an entry on the block stack. */ |
| 35 | |
| 36 | struct ieee_block |
| 37 | { |
| 38 | /* The kind of block. */ |
| 39 | int kind; |
| 40 | /* The source file name, for a BB5 block. */ |
| 41 | const char *filename; |
| 42 | /* The index of the function type, for a BB4 or BB6 block. */ |
| 43 | unsigned int fnindx; |
| 44 | /* True if this function is being skipped. */ |
| 45 | boolean skip; |
| 46 | }; |
| 47 | |
| 48 | /* This structure is the block stack. */ |
| 49 | |
| 50 | #define BLOCKSTACK_SIZE (16) |
| 51 | |
| 52 | struct ieee_blockstack |
| 53 | { |
| 54 | /* The stack pointer. */ |
| 55 | struct ieee_block *bsp; |
| 56 | /* The stack. */ |
| 57 | struct ieee_block stack[BLOCKSTACK_SIZE]; |
| 58 | }; |
| 59 | |
| 60 | /* This structure holds information for a variable. */ |
| 61 | |
| 62 | struct ieee_var |
| 63 | { |
| 64 | /* Start of name. */ |
| 65 | const char *name; |
| 66 | /* Length of name. */ |
| 67 | unsigned long namlen; |
| 68 | /* Type. */ |
| 69 | debug_type type; |
| 70 | /* Slot if we make an indirect type. */ |
| 71 | debug_type *pslot; |
| 72 | /* Kind of variable or function. */ |
| 73 | enum |
| 74 | { |
| 75 | IEEE_UNKNOWN, |
| 76 | IEEE_EXTERNAL, |
| 77 | IEEE_GLOBAL, |
| 78 | IEEE_STATIC, |
| 79 | IEEE_LOCAL, |
| 80 | IEEE_FUNCTION |
| 81 | } kind; |
| 82 | }; |
| 83 | |
| 84 | /* This structure holds all the variables. */ |
| 85 | |
| 86 | struct ieee_vars |
| 87 | { |
| 88 | /* Number of slots allocated. */ |
| 89 | unsigned int alloc; |
| 90 | /* Variables. */ |
| 91 | struct ieee_var *vars; |
| 92 | }; |
| 93 | |
| 94 | /* This structure holds information for a type. We need this because |
| 95 | we don't want to represent bitfields as real types. */ |
| 96 | |
| 97 | struct ieee_type |
| 98 | { |
| 99 | /* Type. */ |
| 100 | debug_type type; |
| 101 | /* Slot if this is type is referenced before it is defined. */ |
| 102 | debug_type *pslot; |
| 103 | /* Slots for arguments if we make indirect types for them. */ |
| 104 | debug_type *arg_slots; |
| 105 | /* If this is a bitfield, this is the size in bits. If this is not |
| 106 | a bitfield, this is zero. */ |
| 107 | unsigned long bitsize; |
| 108 | }; |
| 109 | |
| 110 | /* This structure holds all the type information. */ |
| 111 | |
| 112 | struct ieee_types |
| 113 | { |
| 114 | /* Number of slots allocated. */ |
| 115 | unsigned int alloc; |
| 116 | /* Types. */ |
| 117 | struct ieee_type *types; |
| 118 | /* Builtin types. */ |
| 119 | #define BUILTIN_TYPE_COUNT (60) |
| 120 | debug_type builtins[BUILTIN_TYPE_COUNT]; |
| 121 | }; |
| 122 | |
| 123 | /* This structure holds a linked last of structs with their tag names, |
| 124 | so that we can convert them to C++ classes if necessary. */ |
| 125 | |
| 126 | struct ieee_tag |
| 127 | { |
| 128 | /* Next tag. */ |
| 129 | struct ieee_tag *next; |
| 130 | /* This tag name. */ |
| 131 | const char *name; |
| 132 | /* The type of the tag. */ |
| 133 | debug_type type; |
| 134 | /* The tagged type is an indirect type pointing at this slot. */ |
| 135 | debug_type slot; |
| 136 | /* This is an array of slots used when a field type is converted |
| 137 | into a indirect type, in case it needs to be later converted into |
| 138 | a reference type. */ |
| 139 | debug_type *fslots; |
| 140 | }; |
| 141 | |
| 142 | /* This structure holds the information we pass around to the parsing |
| 143 | functions. */ |
| 144 | |
| 145 | struct ieee_info |
| 146 | { |
| 147 | /* The debugging handle. */ |
| 148 | PTR dhandle; |
| 149 | /* The BFD. */ |
| 150 | bfd *abfd; |
| 151 | /* The start of the bytes to be parsed. */ |
| 152 | const bfd_byte *bytes; |
| 153 | /* The end of the bytes to be parsed. */ |
| 154 | const bfd_byte *pend; |
| 155 | /* The block stack. */ |
| 156 | struct ieee_blockstack blockstack; |
| 157 | /* Whether we have seen a BB1 or BB2. */ |
| 158 | boolean saw_filename; |
| 159 | /* The variables. */ |
| 160 | struct ieee_vars vars; |
| 161 | /* The global variables, after a global typedef block. */ |
| 162 | struct ieee_vars *global_vars; |
| 163 | /* The types. */ |
| 164 | struct ieee_types types; |
| 165 | /* The global types, after a global typedef block. */ |
| 166 | struct ieee_types *global_types; |
| 167 | /* The list of tagged structs. */ |
| 168 | struct ieee_tag *tags; |
| 169 | }; |
| 170 | |
| 171 | /* Basic builtin types, not including the pointers. */ |
| 172 | |
| 173 | enum builtin_types |
| 174 | { |
| 175 | builtin_unknown = 0, |
| 176 | builtin_void = 1, |
| 177 | builtin_signed_char = 2, |
| 178 | builtin_unsigned_char = 3, |
| 179 | builtin_signed_short_int = 4, |
| 180 | builtin_unsigned_short_int = 5, |
| 181 | builtin_signed_long = 6, |
| 182 | builtin_unsigned_long = 7, |
| 183 | builtin_signed_long_long = 8, |
| 184 | builtin_unsigned_long_long = 9, |
| 185 | builtin_float = 10, |
| 186 | builtin_double = 11, |
| 187 | builtin_long_double = 12, |
| 188 | builtin_long_long_double = 13, |
| 189 | builtin_quoted_string = 14, |
| 190 | builtin_instruction_address = 15, |
| 191 | builtin_int = 16, |
| 192 | builtin_unsigned = 17, |
| 193 | builtin_unsigned_int = 18, |
| 194 | builtin_char = 19, |
| 195 | builtin_long = 20, |
| 196 | builtin_short = 21, |
| 197 | builtin_unsigned_short = 22, |
| 198 | builtin_short_int = 23, |
| 199 | builtin_signed_short = 24, |
| 200 | builtin_bcd_float = 25 |
| 201 | }; |
| 202 | |
| 203 | /* These are the values found in the derivation flags of a 'b' |
| 204 | component record of a 'T' type extension record in a C++ pmisc |
| 205 | record. These are bitmasks. */ |
| 206 | |
| 207 | /* Set for a private base class, clear for a public base class. |
| 208 | Protected base classes are not supported. */ |
| 209 | #define BASEFLAGS_PRIVATE (0x1) |
| 210 | /* Set for a virtual base class. */ |
| 211 | #define BASEFLAGS_VIRTUAL (0x2) |
| 212 | /* Set for a friend class, clear for a base class. */ |
| 213 | #define BASEFLAGS_FRIEND (0x10) |
| 214 | |
| 215 | /* These are the values found in the specs flags of a 'd', 'm', or 'v' |
| 216 | component record of a 'T' type extension record in a C++ pmisc |
| 217 | record. The same flags are used for a 'M' record in a C++ pmisc |
| 218 | record. */ |
| 219 | |
| 220 | /* The lower two bits hold visibility information. */ |
| 221 | #define CXXFLAGS_VISIBILITY (0x3) |
| 222 | /* This value in the lower two bits indicates a public member. */ |
| 223 | #define CXXFLAGS_VISIBILITY_PUBLIC (0x0) |
| 224 | /* This value in the lower two bits indicates a private member. */ |
| 225 | #define CXXFLAGS_VISIBILITY_PRIVATE (0x1) |
| 226 | /* This value in the lower two bits indicates a protected member. */ |
| 227 | #define CXXFLAGS_VISIBILITY_PROTECTED (0x2) |
| 228 | /* Set for a static member. */ |
| 229 | #define CXXFLAGS_STATIC (0x4) |
| 230 | /* Set for a virtual override. */ |
| 231 | #define CXXFLAGS_OVERRIDE (0x8) |
| 232 | /* Set for a friend function. */ |
| 233 | #define CXXFLAGS_FRIEND (0x10) |
| 234 | /* Set for a const function. */ |
| 235 | #define CXXFLAGS_CONST (0x20) |
| 236 | /* Set for a volatile function. */ |
| 237 | #define CXXFLAGS_VOLATILE (0x40) |
| 238 | /* Set for an overloaded function. */ |
| 239 | #define CXXFLAGS_OVERLOADED (0x80) |
| 240 | /* Set for an operator function. */ |
| 241 | #define CXXFLAGS_OPERATOR (0x100) |
| 242 | /* Set for a constructor or destructor. */ |
| 243 | #define CXXFLAGS_CTORDTOR (0x400) |
| 244 | /* Set for a constructor. */ |
| 245 | #define CXXFLAGS_CTOR (0x200) |
| 246 | /* Set for an inline function. */ |
| 247 | #define CXXFLAGS_INLINE (0x800) |
| 248 | |
| 249 | /* Local functions. */ |
| 250 | |
| 251 | static void ieee_error |
| 252 | PARAMS ((struct ieee_info *, const bfd_byte *, const char *)); |
| 253 | static void ieee_eof PARAMS ((struct ieee_info *)); |
| 254 | static char *savestring PARAMS ((const char *, unsigned long)); |
| 255 | static boolean ieee_read_number |
| 256 | PARAMS ((struct ieee_info *, const bfd_byte **, bfd_vma *)); |
| 257 | static boolean ieee_read_optional_number |
| 258 | PARAMS ((struct ieee_info *, const bfd_byte **, bfd_vma *, boolean *)); |
| 259 | static boolean ieee_read_id |
| 260 | PARAMS ((struct ieee_info *, const bfd_byte **, const char **, |
| 261 | unsigned long *)); |
| 262 | static boolean ieee_read_optional_id |
| 263 | PARAMS ((struct ieee_info *, const bfd_byte **, const char **, |
| 264 | unsigned long *, boolean *)); |
| 265 | static boolean ieee_read_expression |
| 266 | PARAMS ((struct ieee_info *, const bfd_byte **, bfd_vma *)); |
| 267 | static debug_type ieee_builtin_type |
| 268 | PARAMS ((struct ieee_info *, const bfd_byte *, unsigned int)); |
| 269 | static boolean ieee_alloc_type |
| 270 | PARAMS ((struct ieee_info *, unsigned int, boolean)); |
| 271 | static boolean ieee_read_type_index |
| 272 | PARAMS ((struct ieee_info *, const bfd_byte **, debug_type *)); |
| 273 | static int ieee_regno_to_genreg PARAMS ((bfd *, int)); |
| 274 | static int ieee_genreg_to_regno PARAMS ((bfd *, int)); |
| 275 | static boolean parse_ieee_bb PARAMS ((struct ieee_info *, const bfd_byte **)); |
| 276 | static boolean parse_ieee_be PARAMS ((struct ieee_info *, const bfd_byte **)); |
| 277 | static boolean parse_ieee_nn PARAMS ((struct ieee_info *, const bfd_byte **)); |
| 278 | static boolean parse_ieee_ty PARAMS ((struct ieee_info *, const bfd_byte **)); |
| 279 | static boolean parse_ieee_atn PARAMS ((struct ieee_info *, const bfd_byte **)); |
| 280 | static boolean ieee_read_cxx_misc |
| 281 | PARAMS ((struct ieee_info *, const bfd_byte **, unsigned long)); |
| 282 | static boolean ieee_read_cxx_class |
| 283 | PARAMS ((struct ieee_info *, const bfd_byte **, unsigned long)); |
| 284 | static boolean ieee_read_cxx_defaults |
| 285 | PARAMS ((struct ieee_info *, const bfd_byte **, unsigned long)); |
| 286 | static boolean ieee_read_reference |
| 287 | PARAMS ((struct ieee_info *, const bfd_byte **)); |
| 288 | static boolean ieee_require_asn |
| 289 | PARAMS ((struct ieee_info *, const bfd_byte **, bfd_vma *)); |
| 290 | static boolean ieee_require_atn65 |
| 291 | PARAMS ((struct ieee_info *, const bfd_byte **, const char **, |
| 292 | unsigned long *)); |
| 293 | |
| 294 | /* Report an error in the IEEE debugging information. */ |
| 295 | |
| 296 | static void |
| 297 | ieee_error (info, p, s) |
| 298 | struct ieee_info *info; |
| 299 | const bfd_byte *p; |
| 300 | const char *s; |
| 301 | { |
| 302 | if (p != NULL) |
| 303 | fprintf (stderr, "%s: 0x%lx: %s (0x%x)\n", bfd_get_filename (info->abfd), |
| 304 | (unsigned long) (p - info->bytes), s, *p); |
| 305 | else |
| 306 | fprintf (stderr, "%s: %s\n", bfd_get_filename (info->abfd), s); |
| 307 | } |
| 308 | |
| 309 | /* Report an unexpected EOF in the IEEE debugging information. */ |
| 310 | |
| 311 | static void |
| 312 | ieee_eof (info) |
| 313 | struct ieee_info *info; |
| 314 | { |
| 315 | ieee_error (info, (const bfd_byte *) NULL, |
| 316 | "unexpected end of debugging information"); |
| 317 | } |
| 318 | |
| 319 | /* Save a string in memory. */ |
| 320 | |
| 321 | static char * |
| 322 | savestring (start, len) |
| 323 | const char *start; |
| 324 | unsigned long len; |
| 325 | { |
| 326 | char *ret; |
| 327 | |
| 328 | ret = (char *) xmalloc (len + 1); |
| 329 | memcpy (ret, start, len); |
| 330 | ret[len] = '\0'; |
| 331 | return ret; |
| 332 | } |
| 333 | |
| 334 | /* Read a number which must be present in an IEEE file. */ |
| 335 | |
| 336 | static boolean |
| 337 | ieee_read_number (info, pp, pv) |
| 338 | struct ieee_info *info; |
| 339 | const bfd_byte **pp; |
| 340 | bfd_vma *pv; |
| 341 | { |
| 342 | return ieee_read_optional_number (info, pp, pv, (boolean *) NULL); |
| 343 | } |
| 344 | |
| 345 | /* Read a number in an IEEE file. If ppresent is not NULL, the number |
| 346 | need not be there. */ |
| 347 | |
| 348 | static boolean |
| 349 | ieee_read_optional_number (info, pp, pv, ppresent) |
| 350 | struct ieee_info *info; |
| 351 | const bfd_byte **pp; |
| 352 | bfd_vma *pv; |
| 353 | boolean *ppresent; |
| 354 | { |
| 355 | ieee_record_enum_type b; |
| 356 | |
| 357 | if (*pp >= info->pend) |
| 358 | { |
| 359 | if (ppresent != NULL) |
| 360 | { |
| 361 | *ppresent = false; |
| 362 | return true; |
| 363 | } |
| 364 | ieee_eof (info); |
| 365 | return false; |
| 366 | } |
| 367 | |
| 368 | b = (ieee_record_enum_type) **pp; |
| 369 | ++*pp; |
| 370 | |
| 371 | if (b <= ieee_number_end_enum) |
| 372 | { |
| 373 | *pv = (bfd_vma) b; |
| 374 | if (ppresent != NULL) |
| 375 | *ppresent = true; |
| 376 | return true; |
| 377 | } |
| 378 | |
| 379 | if (b >= ieee_number_repeat_start_enum && b <= ieee_number_repeat_end_enum) |
| 380 | { |
| 381 | unsigned int i; |
| 382 | |
| 383 | i = (int) b - (int) ieee_number_repeat_start_enum; |
| 384 | if (*pp + i - 1 >= info->pend) |
| 385 | { |
| 386 | ieee_eof (info); |
| 387 | return false; |
| 388 | } |
| 389 | |
| 390 | *pv = 0; |
| 391 | for (; i > 0; i--) |
| 392 | { |
| 393 | *pv <<= 8; |
| 394 | *pv += **pp; |
| 395 | ++*pp; |
| 396 | } |
| 397 | |
| 398 | if (ppresent != NULL) |
| 399 | *ppresent = true; |
| 400 | |
| 401 | return true; |
| 402 | } |
| 403 | |
| 404 | if (ppresent != NULL) |
| 405 | { |
| 406 | --*pp; |
| 407 | *ppresent = false; |
| 408 | return true; |
| 409 | } |
| 410 | |
| 411 | ieee_error (info, *pp - 1, "invalid number"); |
| 412 | return false; |
| 413 | } |
| 414 | |
| 415 | /* Read a required string from an IEEE file. */ |
| 416 | |
| 417 | static boolean |
| 418 | ieee_read_id (info, pp, pname, pnamlen) |
| 419 | struct ieee_info *info; |
| 420 | const bfd_byte **pp; |
| 421 | const char **pname; |
| 422 | unsigned long *pnamlen; |
| 423 | { |
| 424 | return ieee_read_optional_id (info, pp, pname, pnamlen, (boolean *) NULL); |
| 425 | } |
| 426 | |
| 427 | /* Read a string from an IEEE file. If ppresent is not NULL, the |
| 428 | string is optional. */ |
| 429 | |
| 430 | static boolean |
| 431 | ieee_read_optional_id (info, pp, pname, pnamlen, ppresent) |
| 432 | struct ieee_info *info; |
| 433 | const bfd_byte **pp; |
| 434 | const char **pname; |
| 435 | unsigned long *pnamlen; |
| 436 | boolean *ppresent; |
| 437 | { |
| 438 | bfd_byte b; |
| 439 | unsigned long len; |
| 440 | |
| 441 | if (*pp >= info->pend) |
| 442 | { |
| 443 | ieee_eof (info); |
| 444 | return false; |
| 445 | } |
| 446 | |
| 447 | b = **pp; |
| 448 | ++*pp; |
| 449 | |
| 450 | if (b <= 0x7f) |
| 451 | len = b; |
| 452 | else if ((ieee_record_enum_type) b == ieee_extension_length_1_enum) |
| 453 | { |
| 454 | len = **pp; |
| 455 | ++*pp; |
| 456 | } |
| 457 | else if ((ieee_record_enum_type) b == ieee_extension_length_2_enum) |
| 458 | { |
| 459 | len = (**pp << 8) + (*pp)[1]; |
| 460 | *pp += 2; |
| 461 | } |
| 462 | else |
| 463 | { |
| 464 | if (ppresent != NULL) |
| 465 | { |
| 466 | --*pp; |
| 467 | *ppresent = false; |
| 468 | return true; |
| 469 | } |
| 470 | ieee_error (info, *pp - 1, "invalid string length"); |
| 471 | return false; |
| 472 | } |
| 473 | |
| 474 | if ((unsigned long) (info->pend - *pp) < len) |
| 475 | { |
| 476 | ieee_eof (info); |
| 477 | return false; |
| 478 | } |
| 479 | |
| 480 | *pname = (const char *) *pp; |
| 481 | *pnamlen = len; |
| 482 | *pp += len; |
| 483 | |
| 484 | if (ppresent != NULL) |
| 485 | *ppresent = true; |
| 486 | |
| 487 | return true; |
| 488 | } |
| 489 | |
| 490 | /* Read an expression from an IEEE file. Since this code is only used |
| 491 | to parse debugging information, I haven't bothered to write a full |
| 492 | blown IEEE expression parser. I've only thrown in the things I've |
| 493 | seen in debugging information. This can be easily extended if |
| 494 | necessary. */ |
| 495 | |
| 496 | static boolean |
| 497 | ieee_read_expression (info, pp, pv) |
| 498 | struct ieee_info *info; |
| 499 | const bfd_byte **pp; |
| 500 | bfd_vma *pv; |
| 501 | { |
| 502 | const bfd_byte *expr_start; |
| 503 | #define EXPR_STACK_SIZE (10) |
| 504 | bfd_vma expr_stack[EXPR_STACK_SIZE]; |
| 505 | bfd_vma *esp; |
| 506 | |
| 507 | expr_start = *pp; |
| 508 | |
| 509 | esp = expr_stack; |
| 510 | |
| 511 | while (1) |
| 512 | { |
| 513 | const bfd_byte *start; |
| 514 | bfd_vma val; |
| 515 | boolean present; |
| 516 | ieee_record_enum_type c; |
| 517 | |
| 518 | start = *pp; |
| 519 | |
| 520 | if (! ieee_read_optional_number (info, pp, &val, &present)) |
| 521 | return false; |
| 522 | |
| 523 | if (present) |
| 524 | { |
| 525 | if (esp - expr_stack >= EXPR_STACK_SIZE) |
| 526 | { |
| 527 | ieee_error (info, start, "expression stack overflow"); |
| 528 | return false; |
| 529 | } |
| 530 | *esp++ = val; |
| 531 | continue; |
| 532 | } |
| 533 | |
| 534 | c = (ieee_record_enum_type) **pp; |
| 535 | |
| 536 | if (c >= ieee_module_beginning_enum) |
| 537 | break; |
| 538 | |
| 539 | ++*pp; |
| 540 | |
| 541 | if (c == ieee_comma) |
| 542 | break; |
| 543 | |
| 544 | switch (c) |
| 545 | { |
| 546 | default: |
| 547 | ieee_error (info, start, "unsupported IEEE expression operator"); |
| 548 | break; |
| 549 | |
| 550 | case ieee_variable_R_enum: |
| 551 | { |
| 552 | bfd_vma indx; |
| 553 | asection *s; |
| 554 | |
| 555 | if (! ieee_read_number (info, pp, &indx)) |
| 556 | return false; |
| 557 | for (s = info->abfd->sections; s != NULL; s = s->next) |
| 558 | if ((bfd_vma) s->target_index == indx) |
| 559 | break; |
| 560 | if (s == NULL) |
| 561 | { |
| 562 | ieee_error (info, start, "unknown section"); |
| 563 | return false; |
| 564 | } |
| 565 | |
| 566 | if (esp - expr_stack >= EXPR_STACK_SIZE) |
| 567 | { |
| 568 | ieee_error (info, start, "expression stack overflow"); |
| 569 | return false; |
| 570 | } |
| 571 | |
| 572 | *esp++ = bfd_get_section_vma (info->abfd, s); |
| 573 | } |
| 574 | break; |
| 575 | |
| 576 | case ieee_function_plus_enum: |
| 577 | case ieee_function_minus_enum: |
| 578 | { |
| 579 | bfd_vma v1, v2; |
| 580 | |
| 581 | if (esp - expr_stack < 2) |
| 582 | { |
| 583 | ieee_error (info, start, "expression stack underflow"); |
| 584 | return false; |
| 585 | } |
| 586 | |
| 587 | v1 = *--esp; |
| 588 | v2 = *--esp; |
| 589 | *esp++ = v1 + v2; |
| 590 | } |
| 591 | break; |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | if (esp - 1 != expr_stack) |
| 596 | { |
| 597 | ieee_error (info, expr_start, "expression stack mismatch"); |
| 598 | return false; |
| 599 | } |
| 600 | |
| 601 | *pv = *--esp; |
| 602 | |
| 603 | return true; |
| 604 | } |
| 605 | |
| 606 | /* Return an IEEE builtin type. */ |
| 607 | |
| 608 | static debug_type |
| 609 | ieee_builtin_type (info, p, indx) |
| 610 | struct ieee_info *info; |
| 611 | const bfd_byte *p; |
| 612 | unsigned int indx; |
| 613 | { |
| 614 | PTR dhandle; |
| 615 | debug_type type; |
| 616 | const char *name; |
| 617 | |
| 618 | if (indx < BUILTIN_TYPE_COUNT |
| 619 | && info->types.builtins[indx] != DEBUG_TYPE_NULL) |
| 620 | return info->types.builtins[indx]; |
| 621 | |
| 622 | dhandle = info->dhandle; |
| 623 | |
| 624 | if (indx >= 32 && indx < 64) |
| 625 | { |
| 626 | type = debug_make_pointer_type (dhandle, |
| 627 | ieee_builtin_type (info, p, indx - 32)); |
| 628 | assert (indx < BUILTIN_TYPE_COUNT); |
| 629 | info->types.builtins[indx] = type; |
| 630 | return type; |
| 631 | } |
| 632 | |
| 633 | switch ((enum builtin_types) indx) |
| 634 | { |
| 635 | default: |
| 636 | ieee_error (info, p, "unknown builtin type"); |
| 637 | return NULL; |
| 638 | |
| 639 | case builtin_unknown: |
| 640 | type = debug_make_void_type (dhandle); |
| 641 | name = NULL; |
| 642 | break; |
| 643 | |
| 644 | case builtin_void: |
| 645 | type = debug_make_void_type (dhandle); |
| 646 | name = "void"; |
| 647 | break; |
| 648 | |
| 649 | case builtin_signed_char: |
| 650 | type = debug_make_int_type (dhandle, 1, false); |
| 651 | name = "signed char"; |
| 652 | break; |
| 653 | |
| 654 | case builtin_unsigned_char: |
| 655 | type = debug_make_int_type (dhandle, 1, true); |
| 656 | name = "unsigned char"; |
| 657 | break; |
| 658 | |
| 659 | case builtin_signed_short_int: |
| 660 | type = debug_make_int_type (dhandle, 2, false); |
| 661 | name = "signed short int"; |
| 662 | break; |
| 663 | |
| 664 | case builtin_unsigned_short_int: |
| 665 | type = debug_make_int_type (dhandle, 2, true); |
| 666 | name = "unsigned short int"; |
| 667 | break; |
| 668 | |
| 669 | case builtin_signed_long: |
| 670 | type = debug_make_int_type (dhandle, 4, false); |
| 671 | name = "signed long"; |
| 672 | break; |
| 673 | |
| 674 | case builtin_unsigned_long: |
| 675 | type = debug_make_int_type (dhandle, 4, true); |
| 676 | name = "unsigned long"; |
| 677 | break; |
| 678 | |
| 679 | case builtin_signed_long_long: |
| 680 | type = debug_make_int_type (dhandle, 8, false); |
| 681 | name = "signed long long"; |
| 682 | break; |
| 683 | |
| 684 | case builtin_unsigned_long_long: |
| 685 | type = debug_make_int_type (dhandle, 8, true); |
| 686 | name = "unsigned long long"; |
| 687 | break; |
| 688 | |
| 689 | case builtin_float: |
| 690 | type = debug_make_float_type (dhandle, 4); |
| 691 | name = "float"; |
| 692 | break; |
| 693 | |
| 694 | case builtin_double: |
| 695 | type = debug_make_float_type (dhandle, 8); |
| 696 | name = "double"; |
| 697 | break; |
| 698 | |
| 699 | case builtin_long_double: |
| 700 | /* FIXME: The size for this type should depend upon the |
| 701 | processor. */ |
| 702 | type = debug_make_float_type (dhandle, 12); |
| 703 | name = "long double"; |
| 704 | break; |
| 705 | |
| 706 | case builtin_long_long_double: |
| 707 | type = debug_make_float_type (dhandle, 16); |
| 708 | name = "long long double"; |
| 709 | break; |
| 710 | |
| 711 | case builtin_quoted_string: |
| 712 | type = debug_make_array_type (dhandle, |
| 713 | ieee_builtin_type (info, p, |
| 714 | ((unsigned int) |
| 715 | builtin_char)), |
| 716 | ieee_builtin_type (info, p, |
| 717 | ((unsigned int) |
| 718 | builtin_int)), |
| 719 | 0, -1, true); |
| 720 | name = "QUOTED STRING"; |
| 721 | break; |
| 722 | |
| 723 | case builtin_instruction_address: |
| 724 | /* FIXME: This should be a code address. */ |
| 725 | type = debug_make_int_type (dhandle, 4, true); |
| 726 | name = "instruction address"; |
| 727 | break; |
| 728 | |
| 729 | case builtin_int: |
| 730 | /* FIXME: The size for this type should depend upon the |
| 731 | processor. */ |
| 732 | type = debug_make_int_type (dhandle, 4, false); |
| 733 | name = "int"; |
| 734 | break; |
| 735 | |
| 736 | case builtin_unsigned: |
| 737 | /* FIXME: The size for this type should depend upon the |
| 738 | processor. */ |
| 739 | type = debug_make_int_type (dhandle, 4, true); |
| 740 | name = "unsigned"; |
| 741 | break; |
| 742 | |
| 743 | case builtin_unsigned_int: |
| 744 | /* FIXME: The size for this type should depend upon the |
| 745 | processor. */ |
| 746 | type = debug_make_int_type (dhandle, 4, true); |
| 747 | name = "unsigned int"; |
| 748 | break; |
| 749 | |
| 750 | case builtin_char: |
| 751 | type = debug_make_int_type (dhandle, 1, false); |
| 752 | name = "char"; |
| 753 | break; |
| 754 | |
| 755 | case builtin_long: |
| 756 | type = debug_make_int_type (dhandle, 4, false); |
| 757 | name = "long"; |
| 758 | break; |
| 759 | |
| 760 | case builtin_short: |
| 761 | type = debug_make_int_type (dhandle, 2, false); |
| 762 | name = "short"; |
| 763 | break; |
| 764 | |
| 765 | case builtin_unsigned_short: |
| 766 | type = debug_make_int_type (dhandle, 2, true); |
| 767 | name = "unsigned short"; |
| 768 | break; |
| 769 | |
| 770 | case builtin_short_int: |
| 771 | type = debug_make_int_type (dhandle, 2, false); |
| 772 | name = "short int"; |
| 773 | break; |
| 774 | |
| 775 | case builtin_signed_short: |
| 776 | type = debug_make_int_type (dhandle, 2, false); |
| 777 | name = "signed short"; |
| 778 | break; |
| 779 | |
| 780 | case builtin_bcd_float: |
| 781 | ieee_error (info, p, "BCD float type not supported"); |
| 782 | return false; |
| 783 | } |
| 784 | |
| 785 | if (name != NULL) |
| 786 | type = debug_name_type (dhandle, name, type); |
| 787 | |
| 788 | assert (indx < BUILTIN_TYPE_COUNT); |
| 789 | |
| 790 | info->types.builtins[indx] = type; |
| 791 | |
| 792 | return type; |
| 793 | } |
| 794 | |
| 795 | /* Allocate more space in the type table. If ref is true, this is a |
| 796 | reference to the type; if it is not already defined, we should set |
| 797 | up an indirect type. */ |
| 798 | |
| 799 | static boolean |
| 800 | ieee_alloc_type (info, indx, ref) |
| 801 | struct ieee_info *info; |
| 802 | unsigned int indx; |
| 803 | boolean ref; |
| 804 | { |
| 805 | unsigned int nalloc; |
| 806 | register struct ieee_type *t; |
| 807 | struct ieee_type *tend; |
| 808 | |
| 809 | if (indx >= info->types.alloc) |
| 810 | { |
| 811 | nalloc = info->types.alloc; |
| 812 | if (nalloc == 0) |
| 813 | nalloc = 4; |
| 814 | while (indx >= nalloc) |
| 815 | nalloc *= 2; |
| 816 | |
| 817 | info->types.types = ((struct ieee_type *) |
| 818 | xrealloc (info->types.types, |
| 819 | nalloc * sizeof *info->types.types)); |
| 820 | |
| 821 | memset (info->types.types + info->types.alloc, 0, |
| 822 | (nalloc - info->types.alloc) * sizeof *info->types.types); |
| 823 | |
| 824 | tend = info->types.types + nalloc; |
| 825 | for (t = info->types.types + info->types.alloc; t < tend; t++) |
| 826 | t->type = DEBUG_TYPE_NULL; |
| 827 | |
| 828 | info->types.alloc = nalloc; |
| 829 | } |
| 830 | |
| 831 | if (ref) |
| 832 | { |
| 833 | t = info->types.types + indx; |
| 834 | if (t->type == NULL) |
| 835 | { |
| 836 | t->pslot = (debug_type *) xmalloc (sizeof *t->pslot); |
| 837 | *t->pslot = DEBUG_TYPE_NULL; |
| 838 | t->type = debug_make_indirect_type (info->dhandle, t->pslot, |
| 839 | (const char *) NULL); |
| 840 | if (t->type == NULL) |
| 841 | return false; |
| 842 | } |
| 843 | } |
| 844 | |
| 845 | return true; |
| 846 | } |
| 847 | |
| 848 | /* Read a type index and return the corresponding type. */ |
| 849 | |
| 850 | static boolean |
| 851 | ieee_read_type_index (info, pp, ptype) |
| 852 | struct ieee_info *info; |
| 853 | const bfd_byte **pp; |
| 854 | debug_type *ptype; |
| 855 | { |
| 856 | const bfd_byte *start; |
| 857 | bfd_vma indx; |
| 858 | |
| 859 | start = *pp; |
| 860 | |
| 861 | if (! ieee_read_number (info, pp, &indx)) |
| 862 | return false; |
| 863 | |
| 864 | if (indx < 256) |
| 865 | { |
| 866 | *ptype = ieee_builtin_type (info, start, indx); |
| 867 | if (*ptype == NULL) |
| 868 | return false; |
| 869 | return true; |
| 870 | } |
| 871 | |
| 872 | indx -= 256; |
| 873 | if (! ieee_alloc_type (info, indx, true)) |
| 874 | return false; |
| 875 | |
| 876 | *ptype = info->types.types[indx].type; |
| 877 | |
| 878 | return true; |
| 879 | } |
| 880 | |
| 881 | /* Parse IEEE debugging information for a file. This is passed the |
| 882 | bytes which compose the Debug Information Part of an IEEE file. */ |
| 883 | |
| 884 | boolean |
| 885 | parse_ieee (dhandle, abfd, bytes, len) |
| 886 | PTR dhandle; |
| 887 | bfd *abfd; |
| 888 | const bfd_byte *bytes; |
| 889 | bfd_size_type len; |
| 890 | { |
| 891 | struct ieee_info info; |
| 892 | unsigned int i; |
| 893 | const bfd_byte *p, *pend; |
| 894 | |
| 895 | info.dhandle = dhandle; |
| 896 | info.abfd = abfd; |
| 897 | info.bytes = bytes; |
| 898 | info.pend = bytes + len; |
| 899 | info.blockstack.bsp = info.blockstack.stack; |
| 900 | info.saw_filename = false; |
| 901 | info.vars.alloc = 0; |
| 902 | info.vars.vars = NULL; |
| 903 | info.types.alloc = 0; |
| 904 | info.types.types = NULL; |
| 905 | info.tags = NULL; |
| 906 | for (i = 0; i < BUILTIN_TYPE_COUNT; i++) |
| 907 | info.types.builtins[i] = DEBUG_TYPE_NULL; |
| 908 | |
| 909 | p = bytes; |
| 910 | pend = info.pend; |
| 911 | while (p < pend) |
| 912 | { |
| 913 | const bfd_byte *record_start; |
| 914 | ieee_record_enum_type c; |
| 915 | |
| 916 | record_start = p; |
| 917 | |
| 918 | c = (ieee_record_enum_type) *p++; |
| 919 | |
| 920 | if (c == ieee_at_record_enum) |
| 921 | c = (ieee_record_enum_type) (((unsigned int) c << 8) | *p++); |
| 922 | |
| 923 | if (c <= ieee_number_repeat_end_enum) |
| 924 | { |
| 925 | ieee_error (&info, record_start, "unexpected number"); |
| 926 | return false; |
| 927 | } |
| 928 | |
| 929 | switch (c) |
| 930 | { |
| 931 | default: |
| 932 | ieee_error (&info, record_start, "unexpected record type"); |
| 933 | return false; |
| 934 | |
| 935 | case ieee_bb_record_enum: |
| 936 | if (! parse_ieee_bb (&info, &p)) |
| 937 | return false; |
| 938 | break; |
| 939 | |
| 940 | case ieee_be_record_enum: |
| 941 | if (! parse_ieee_be (&info, &p)) |
| 942 | return false; |
| 943 | break; |
| 944 | |
| 945 | case ieee_nn_record: |
| 946 | if (! parse_ieee_nn (&info, &p)) |
| 947 | return false; |
| 948 | break; |
| 949 | |
| 950 | case ieee_ty_record_enum: |
| 951 | if (! parse_ieee_ty (&info, &p)) |
| 952 | return false; |
| 953 | break; |
| 954 | |
| 955 | case ieee_atn_record_enum: |
| 956 | if (! parse_ieee_atn (&info, &p)) |
| 957 | return false; |
| 958 | break; |
| 959 | } |
| 960 | } |
| 961 | |
| 962 | if (info.blockstack.bsp != info.blockstack.stack) |
| 963 | { |
| 964 | ieee_error (&info, (const bfd_byte *) NULL, |
| 965 | "blocks left on stack at end"); |
| 966 | return false; |
| 967 | } |
| 968 | |
| 969 | return true; |
| 970 | } |
| 971 | |
| 972 | /* Handle an IEEE BB record. */ |
| 973 | |
| 974 | static boolean |
| 975 | parse_ieee_bb (info, pp) |
| 976 | struct ieee_info *info; |
| 977 | const bfd_byte **pp; |
| 978 | { |
| 979 | const bfd_byte *block_start; |
| 980 | bfd_byte b; |
| 981 | bfd_vma size; |
| 982 | const char *name; |
| 983 | unsigned long namlen; |
| 984 | char *namcopy; |
| 985 | unsigned int fnindx; |
| 986 | boolean skip; |
| 987 | |
| 988 | block_start = *pp; |
| 989 | |
| 990 | b = **pp; |
| 991 | ++*pp; |
| 992 | |
| 993 | if (! ieee_read_number (info, pp, &size) |
| 994 | || ! ieee_read_id (info, pp, &name, &namlen)) |
| 995 | return false; |
| 996 | |
| 997 | fnindx = (unsigned int) -1; |
| 998 | skip = false; |
| 999 | |
| 1000 | switch (b) |
| 1001 | { |
| 1002 | case 1: |
| 1003 | /* BB1: Type definitions local to a module. */ |
| 1004 | namcopy = savestring (name, namlen); |
| 1005 | if (namcopy == NULL) |
| 1006 | return false; |
| 1007 | if (! debug_set_filename (info->dhandle, namcopy)) |
| 1008 | return false; |
| 1009 | info->saw_filename = true; |
| 1010 | |
| 1011 | /* Discard any variables or types we may have seen before. */ |
| 1012 | if (info->vars.vars != NULL) |
| 1013 | free (info->vars.vars); |
| 1014 | info->vars.vars = NULL; |
| 1015 | info->vars.alloc = 0; |
| 1016 | if (info->types.types != NULL) |
| 1017 | free (info->types.types); |
| 1018 | info->types.types = NULL; |
| 1019 | info->types.alloc = 0; |
| 1020 | |
| 1021 | /* Initialize the types to the global types. */ |
| 1022 | if (info->global_types != NULL) |
| 1023 | { |
| 1024 | info->types.alloc = info->global_types->alloc; |
| 1025 | info->types.types = ((struct ieee_type *) |
| 1026 | xmalloc (info->types.alloc |
| 1027 | * sizeof (*info->types.types))); |
| 1028 | memcpy (info->types.types, info->global_types->types, |
| 1029 | info->types.alloc * sizeof (*info->types.types)); |
| 1030 | } |
| 1031 | |
| 1032 | break; |
| 1033 | |
| 1034 | case 2: |
| 1035 | /* BB2: Global type definitions. The name is supposed to be |
| 1036 | empty, but we don't check. */ |
| 1037 | if (! debug_set_filename (info->dhandle, "*global*")) |
| 1038 | return false; |
| 1039 | info->saw_filename = true; |
| 1040 | break; |
| 1041 | |
| 1042 | case 3: |
| 1043 | /* BB3: High level module block begin. We don't have to do |
| 1044 | anything here. The name is supposed to be the same as for |
| 1045 | the BB1, but we don't check. */ |
| 1046 | break; |
| 1047 | |
| 1048 | case 4: |
| 1049 | /* BB4: Global function. */ |
| 1050 | { |
| 1051 | bfd_vma stackspace, typindx, offset; |
| 1052 | debug_type return_type; |
| 1053 | |
| 1054 | if (! ieee_read_number (info, pp, &stackspace) |
| 1055 | || ! ieee_read_number (info, pp, &typindx) |
| 1056 | || ! ieee_read_expression (info, pp, &offset)) |
| 1057 | return false; |
| 1058 | |
| 1059 | /* We have no way to record the stack space. FIXME. */ |
| 1060 | |
| 1061 | if (typindx < 256) |
| 1062 | { |
| 1063 | return_type = ieee_builtin_type (info, block_start, typindx); |
| 1064 | if (return_type == DEBUG_TYPE_NULL) |
| 1065 | return false; |
| 1066 | } |
| 1067 | else |
| 1068 | { |
| 1069 | typindx -= 256; |
| 1070 | if (! ieee_alloc_type (info, typindx, true)) |
| 1071 | return false; |
| 1072 | fnindx = typindx; |
| 1073 | return_type = info->types.types[typindx].type; |
| 1074 | if (debug_get_type_kind (info->dhandle, return_type) |
| 1075 | == DEBUG_KIND_FUNCTION) |
| 1076 | return_type = debug_get_return_type (info->dhandle, |
| 1077 | return_type); |
| 1078 | } |
| 1079 | |
| 1080 | namcopy = savestring (name, namlen); |
| 1081 | if (namcopy == NULL) |
| 1082 | return false; |
| 1083 | if (! debug_record_function (info->dhandle, namcopy, return_type, |
| 1084 | true, offset)) |
| 1085 | return false; |
| 1086 | } |
| 1087 | break; |
| 1088 | |
| 1089 | case 5: |
| 1090 | /* BB5: File name for source line numbers. */ |
| 1091 | { |
| 1092 | unsigned int i; |
| 1093 | |
| 1094 | /* We ignore the date and time. FIXME. */ |
| 1095 | for (i = 0; i < 6; i++) |
| 1096 | { |
| 1097 | bfd_vma ignore; |
| 1098 | boolean present; |
| 1099 | |
| 1100 | if (! ieee_read_optional_number (info, pp, &ignore, &present)) |
| 1101 | return false; |
| 1102 | if (! present) |
| 1103 | break; |
| 1104 | } |
| 1105 | |
| 1106 | namcopy = savestring (name, namlen); |
| 1107 | if (namcopy == NULL) |
| 1108 | return false; |
| 1109 | if (! debug_start_source (info->dhandle, namcopy)) |
| 1110 | return false; |
| 1111 | } |
| 1112 | break; |
| 1113 | |
| 1114 | case 6: |
| 1115 | /* BB6: Local function or block. */ |
| 1116 | { |
| 1117 | bfd_vma stackspace, typindx, offset; |
| 1118 | |
| 1119 | if (! ieee_read_number (info, pp, &stackspace) |
| 1120 | || ! ieee_read_number (info, pp, &typindx) |
| 1121 | || ! ieee_read_expression (info, pp, &offset)) |
| 1122 | return false; |
| 1123 | |
| 1124 | /* We have no way to record the stack space. FIXME. */ |
| 1125 | |
| 1126 | if (namlen == 0) |
| 1127 | { |
| 1128 | if (! debug_start_block (info->dhandle, offset)) |
| 1129 | return false; |
| 1130 | /* Change b to indicate that this is a block |
| 1131 | rather than a function. */ |
| 1132 | b = 0x86; |
| 1133 | } |
| 1134 | else |
| 1135 | { |
| 1136 | /* The MRI C++ compiler will output a fake function named |
| 1137 | __XRYCPP to hold C++ debugging information. We skip |
| 1138 | that function. This is not crucial, but it makes |
| 1139 | converting from IEEE to other debug formats work |
| 1140 | better. */ |
| 1141 | if (strncmp (name, "__XRYCPP", namlen) == 0) |
| 1142 | skip = true; |
| 1143 | else |
| 1144 | { |
| 1145 | debug_type return_type; |
| 1146 | |
| 1147 | if (typindx < 256) |
| 1148 | { |
| 1149 | return_type = ieee_builtin_type (info, block_start, |
| 1150 | typindx); |
| 1151 | if (return_type == NULL) |
| 1152 | return false; |
| 1153 | } |
| 1154 | else |
| 1155 | { |
| 1156 | typindx -= 256; |
| 1157 | if (! ieee_alloc_type (info, typindx, true)) |
| 1158 | return false; |
| 1159 | fnindx = typindx; |
| 1160 | return_type = info->types.types[typindx].type; |
| 1161 | if (debug_get_type_kind (info->dhandle, return_type) |
| 1162 | == DEBUG_KIND_FUNCTION) |
| 1163 | return_type = debug_get_return_type (info->dhandle, |
| 1164 | return_type); |
| 1165 | } |
| 1166 | |
| 1167 | namcopy = savestring (name, namlen); |
| 1168 | if (namcopy == NULL) |
| 1169 | return false; |
| 1170 | if (! debug_record_function (info->dhandle, namcopy, |
| 1171 | return_type, false, offset)) |
| 1172 | return false; |
| 1173 | } |
| 1174 | } |
| 1175 | } |
| 1176 | break; |
| 1177 | |
| 1178 | case 10: |
| 1179 | /* BB10: Assembler module scope. In the normal case, we |
| 1180 | completely ignore all this information. FIXME. */ |
| 1181 | { |
| 1182 | const char *inam, *vstr; |
| 1183 | unsigned long inamlen, vstrlen; |
| 1184 | bfd_vma tool_type; |
| 1185 | boolean present; |
| 1186 | unsigned int i; |
| 1187 | |
| 1188 | if (! info->saw_filename) |
| 1189 | { |
| 1190 | namcopy = savestring (name, namlen); |
| 1191 | if (namcopy == NULL) |
| 1192 | return false; |
| 1193 | if (! debug_set_filename (info->dhandle, namcopy)) |
| 1194 | return false; |
| 1195 | info->saw_filename = true; |
| 1196 | } |
| 1197 | |
| 1198 | if (! ieee_read_id (info, pp, &inam, &inamlen) |
| 1199 | || ! ieee_read_number (info, pp, &tool_type) |
| 1200 | || ! ieee_read_optional_id (info, pp, &vstr, &vstrlen, &present)) |
| 1201 | return false; |
| 1202 | for (i = 0; i < 6; i++) |
| 1203 | { |
| 1204 | bfd_vma ignore; |
| 1205 | |
| 1206 | if (! ieee_read_optional_number (info, pp, &ignore, &present)) |
| 1207 | return false; |
| 1208 | if (! present) |
| 1209 | break; |
| 1210 | } |
| 1211 | } |
| 1212 | break; |
| 1213 | |
| 1214 | case 11: |
| 1215 | /* BB11: Module section. We completely ignore all this |
| 1216 | information. FIXME. */ |
| 1217 | { |
| 1218 | bfd_vma sectype, secindx, offset, map; |
| 1219 | boolean present; |
| 1220 | |
| 1221 | if (! ieee_read_number (info, pp, §ype) |
| 1222 | || ! ieee_read_number (info, pp, &secindx) |
| 1223 | || ! ieee_read_expression (info, pp, &offset) |
| 1224 | || ! ieee_read_optional_number (info, pp, &map, &present)) |
| 1225 | return false; |
| 1226 | } |
| 1227 | break; |
| 1228 | |
| 1229 | default: |
| 1230 | ieee_error (info, block_start, "unknown BB type"); |
| 1231 | return false; |
| 1232 | } |
| 1233 | |
| 1234 | |
| 1235 | /* Push this block on the block stack. */ |
| 1236 | |
| 1237 | if (info->blockstack.bsp >= info->blockstack.stack + BLOCKSTACK_SIZE) |
| 1238 | { |
| 1239 | ieee_error (info, (const bfd_byte *) NULL, "stack overflow"); |
| 1240 | return false; |
| 1241 | } |
| 1242 | |
| 1243 | info->blockstack.bsp->kind = b; |
| 1244 | if (b == 5) |
| 1245 | info->blockstack.bsp->filename = namcopy; |
| 1246 | info->blockstack.bsp->fnindx = fnindx; |
| 1247 | info->blockstack.bsp->skip = skip; |
| 1248 | ++info->blockstack.bsp; |
| 1249 | |
| 1250 | return true; |
| 1251 | } |
| 1252 | |
| 1253 | /* Handle an IEEE BE record. */ |
| 1254 | |
| 1255 | static boolean |
| 1256 | parse_ieee_be (info, pp) |
| 1257 | struct ieee_info *info; |
| 1258 | const bfd_byte **pp; |
| 1259 | { |
| 1260 | bfd_vma offset; |
| 1261 | |
| 1262 | if (info->blockstack.bsp <= info->blockstack.stack) |
| 1263 | { |
| 1264 | ieee_error (info, *pp, "stack underflow"); |
| 1265 | return false; |
| 1266 | } |
| 1267 | --info->blockstack.bsp; |
| 1268 | |
| 1269 | switch (info->blockstack.bsp->kind) |
| 1270 | { |
| 1271 | case 2: |
| 1272 | /* When we end the global typedefs block, we copy out the the |
| 1273 | contents of info->vars. This is because the variable indices |
| 1274 | may be reused in the local blocks. However, we need to |
| 1275 | preserve them so that we can locate a function returning a |
| 1276 | reference variable whose type is named in the global typedef |
| 1277 | block. */ |
| 1278 | info->global_vars = ((struct ieee_vars *) |
| 1279 | xmalloc (sizeof *info->global_vars)); |
| 1280 | info->global_vars->alloc = info->vars.alloc; |
| 1281 | info->global_vars->vars = ((struct ieee_var *) |
| 1282 | xmalloc (info->vars.alloc |
| 1283 | * sizeof (*info->vars.vars))); |
| 1284 | memcpy (info->global_vars->vars, info->vars.vars, |
| 1285 | info->vars.alloc * sizeof (*info->vars.vars)); |
| 1286 | |
| 1287 | /* We also copy out the non builtin parts of info->types, since |
| 1288 | the types are discarded when we start a new block. */ |
| 1289 | info->global_types = ((struct ieee_types *) |
| 1290 | xmalloc (sizeof *info->global_types)); |
| 1291 | info->global_types->alloc = info->types.alloc; |
| 1292 | info->global_types->types = ((struct ieee_type *) |
| 1293 | xmalloc (info->types.alloc |
| 1294 | * sizeof (*info->types.types))); |
| 1295 | memcpy (info->global_types->types, info->types.types, |
| 1296 | info->types.alloc * sizeof (*info->types.types)); |
| 1297 | memset (info->global_types->builtins, 0, |
| 1298 | sizeof (info->global_types->builtins)); |
| 1299 | |
| 1300 | break; |
| 1301 | |
| 1302 | case 4: |
| 1303 | case 6: |
| 1304 | if (! ieee_read_expression (info, pp, &offset)) |
| 1305 | return false; |
| 1306 | if (! info->blockstack.bsp->skip) |
| 1307 | { |
| 1308 | if (! debug_end_function (info->dhandle, offset + 1)) |
| 1309 | return false; |
| 1310 | } |
| 1311 | break; |
| 1312 | |
| 1313 | case 0x86: |
| 1314 | /* This is BE6 when BB6 started a block rather than a local |
| 1315 | function. */ |
| 1316 | if (! ieee_read_expression (info, pp, &offset)) |
| 1317 | return false; |
| 1318 | if (! debug_end_block (info->dhandle, offset + 1)) |
| 1319 | return false; |
| 1320 | break; |
| 1321 | |
| 1322 | case 5: |
| 1323 | /* When we end a BB5, we look up the stack for the last BB5, if |
| 1324 | there is one, so that we can call debug_start_source. */ |
| 1325 | if (info->blockstack.bsp > info->blockstack.stack) |
| 1326 | { |
| 1327 | struct ieee_block *bl; |
| 1328 | |
| 1329 | bl = info->blockstack.bsp; |
| 1330 | do |
| 1331 | { |
| 1332 | --bl; |
| 1333 | if (bl->kind == 5) |
| 1334 | { |
| 1335 | if (! debug_start_source (info->dhandle, bl->filename)) |
| 1336 | return false; |
| 1337 | break; |
| 1338 | } |
| 1339 | } |
| 1340 | while (bl != info->blockstack.stack); |
| 1341 | } |
| 1342 | break; |
| 1343 | |
| 1344 | case 11: |
| 1345 | if (! ieee_read_expression (info, pp, &offset)) |
| 1346 | return false; |
| 1347 | /* We just ignore the module size. FIXME. */ |
| 1348 | break; |
| 1349 | |
| 1350 | default: |
| 1351 | /* Other block types do not have any trailing information. */ |
| 1352 | break; |
| 1353 | } |
| 1354 | |
| 1355 | return true; |
| 1356 | } |
| 1357 | |
| 1358 | /* Parse an NN record. */ |
| 1359 | |
| 1360 | static boolean |
| 1361 | parse_ieee_nn (info, pp) |
| 1362 | struct ieee_info *info; |
| 1363 | const bfd_byte **pp; |
| 1364 | { |
| 1365 | const bfd_byte *nn_start; |
| 1366 | bfd_vma varindx; |
| 1367 | const char *name; |
| 1368 | unsigned long namlen; |
| 1369 | |
| 1370 | nn_start = *pp; |
| 1371 | |
| 1372 | if (! ieee_read_number (info, pp, &varindx) |
| 1373 | || ! ieee_read_id (info, pp, &name, &namlen)) |
| 1374 | return false; |
| 1375 | |
| 1376 | if (varindx < 32) |
| 1377 | { |
| 1378 | ieee_error (info, nn_start, "illegal variable index"); |
| 1379 | return false; |
| 1380 | } |
| 1381 | varindx -= 32; |
| 1382 | |
| 1383 | if (varindx >= info->vars.alloc) |
| 1384 | { |
| 1385 | unsigned int alloc; |
| 1386 | |
| 1387 | alloc = info->vars.alloc; |
| 1388 | if (alloc == 0) |
| 1389 | alloc = 4; |
| 1390 | while (varindx >= alloc) |
| 1391 | alloc *= 2; |
| 1392 | info->vars.vars = ((struct ieee_var *) |
| 1393 | xrealloc (info->vars.vars, |
| 1394 | alloc * sizeof *info->vars.vars)); |
| 1395 | memset (info->vars.vars + info->vars.alloc, 0, |
| 1396 | (alloc - info->vars.alloc) * sizeof *info->vars.vars); |
| 1397 | info->vars.alloc = alloc; |
| 1398 | } |
| 1399 | |
| 1400 | info->vars.vars[varindx].name = name; |
| 1401 | info->vars.vars[varindx].namlen = namlen; |
| 1402 | |
| 1403 | return true; |
| 1404 | } |
| 1405 | |
| 1406 | /* Parse a TY record. */ |
| 1407 | |
| 1408 | static boolean |
| 1409 | parse_ieee_ty (info, pp) |
| 1410 | struct ieee_info *info; |
| 1411 | const bfd_byte **pp; |
| 1412 | { |
| 1413 | const bfd_byte *ty_start, *ty_var_start, *ty_code_start; |
| 1414 | bfd_vma typeindx, varindx, tc; |
| 1415 | PTR dhandle; |
| 1416 | boolean tag, typdef; |
| 1417 | debug_type *arg_slots; |
| 1418 | unsigned long type_bitsize; |
| 1419 | debug_type type; |
| 1420 | |
| 1421 | ty_start = *pp; |
| 1422 | |
| 1423 | if (! ieee_read_number (info, pp, &typeindx)) |
| 1424 | return false; |
| 1425 | |
| 1426 | if (typeindx < 256) |
| 1427 | { |
| 1428 | ieee_error (info, ty_start, "illegal type index"); |
| 1429 | return false; |
| 1430 | } |
| 1431 | |
| 1432 | typeindx -= 256; |
| 1433 | if (! ieee_alloc_type (info, typeindx, false)) |
| 1434 | return false; |
| 1435 | |
| 1436 | if (**pp != 0xce) |
| 1437 | { |
| 1438 | ieee_error (info, *pp, "unknown TY code"); |
| 1439 | return false; |
| 1440 | } |
| 1441 | ++*pp; |
| 1442 | |
| 1443 | ty_var_start = *pp; |
| 1444 | |
| 1445 | if (! ieee_read_number (info, pp, &varindx)) |
| 1446 | return false; |
| 1447 | |
| 1448 | if (varindx < 32) |
| 1449 | { |
| 1450 | ieee_error (info, ty_var_start, "illegal variable index"); |
| 1451 | return false; |
| 1452 | } |
| 1453 | varindx -= 32; |
| 1454 | |
| 1455 | if (varindx >= info->vars.alloc || info->vars.vars[varindx].name == NULL) |
| 1456 | { |
| 1457 | ieee_error (info, ty_var_start, "undefined variable in TY"); |
| 1458 | return false; |
| 1459 | } |
| 1460 | |
| 1461 | ty_code_start = *pp; |
| 1462 | |
| 1463 | if (! ieee_read_number (info, pp, &tc)) |
| 1464 | return false; |
| 1465 | |
| 1466 | dhandle = info->dhandle; |
| 1467 | |
| 1468 | tag = false; |
| 1469 | typdef = false; |
| 1470 | arg_slots = NULL; |
| 1471 | type_bitsize = 0; |
| 1472 | switch (tc) |
| 1473 | { |
| 1474 | default: |
| 1475 | ieee_error (info, ty_code_start, "unknown TY code"); |
| 1476 | return false; |
| 1477 | |
| 1478 | case '!': |
| 1479 | /* Unknown type, with size. We treat it as int. FIXME. */ |
| 1480 | { |
| 1481 | bfd_vma size; |
| 1482 | |
| 1483 | if (! ieee_read_number (info, pp, &size)) |
| 1484 | return false; |
| 1485 | type = debug_make_int_type (dhandle, size, false); |
| 1486 | } |
| 1487 | break; |
| 1488 | |
| 1489 | case 'A': /* Array. */ |
| 1490 | case 'a': /* FORTRAN array in column/row order. FIXME: Not |
| 1491 | distinguished from normal array. */ |
| 1492 | { |
| 1493 | debug_type ele_type; |
| 1494 | bfd_vma lower, upper; |
| 1495 | |
| 1496 | if (! ieee_read_type_index (info, pp, &ele_type) |
| 1497 | || ! ieee_read_number (info, pp, &lower) |
| 1498 | || ! ieee_read_number (info, pp, &upper)) |
| 1499 | return false; |
| 1500 | type = debug_make_array_type (dhandle, ele_type, |
| 1501 | ieee_builtin_type (info, ty_code_start, |
| 1502 | ((unsigned int) |
| 1503 | builtin_int)), |
| 1504 | (bfd_signed_vma) lower, |
| 1505 | (bfd_signed_vma) upper, |
| 1506 | false); |
| 1507 | } |
| 1508 | break; |
| 1509 | |
| 1510 | case 'E': |
| 1511 | /* Simple enumeration. */ |
| 1512 | { |
| 1513 | bfd_vma size; |
| 1514 | unsigned int alloc; |
| 1515 | const char **names; |
| 1516 | unsigned int c; |
| 1517 | bfd_signed_vma *vals; |
| 1518 | unsigned int i; |
| 1519 | |
| 1520 | if (! ieee_read_number (info, pp, &size)) |
| 1521 | return false; |
| 1522 | /* FIXME: we ignore the enumeration size. */ |
| 1523 | |
| 1524 | alloc = 10; |
| 1525 | names = (const char **) xmalloc (alloc * sizeof *names); |
| 1526 | memset (names, 0, alloc * sizeof *names); |
| 1527 | c = 0; |
| 1528 | while (1) |
| 1529 | { |
| 1530 | const char *name; |
| 1531 | unsigned long namlen; |
| 1532 | boolean present; |
| 1533 | |
| 1534 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 1535 | return false; |
| 1536 | if (! present) |
| 1537 | break; |
| 1538 | |
| 1539 | if (c + 1 >= alloc) |
| 1540 | { |
| 1541 | alloc += 10; |
| 1542 | names = ((const char **) |
| 1543 | xrealloc (names, alloc * sizeof *names)); |
| 1544 | } |
| 1545 | |
| 1546 | names[c] = savestring (name, namlen); |
| 1547 | if (names[c] == NULL) |
| 1548 | return false; |
| 1549 | ++c; |
| 1550 | } |
| 1551 | |
| 1552 | names[c] = NULL; |
| 1553 | |
| 1554 | vals = (bfd_signed_vma *) xmalloc (c * sizeof *vals); |
| 1555 | for (i = 0; i < c; i++) |
| 1556 | vals[i] = i; |
| 1557 | |
| 1558 | type = debug_make_enum_type (dhandle, names, vals); |
| 1559 | tag = true; |
| 1560 | } |
| 1561 | break; |
| 1562 | |
| 1563 | case 'G': |
| 1564 | /* Struct with bit fields. */ |
| 1565 | { |
| 1566 | bfd_vma size; |
| 1567 | unsigned int alloc; |
| 1568 | debug_field *fields; |
| 1569 | unsigned int c; |
| 1570 | |
| 1571 | if (! ieee_read_number (info, pp, &size)) |
| 1572 | return false; |
| 1573 | |
| 1574 | alloc = 10; |
| 1575 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); |
| 1576 | c = 0; |
| 1577 | while (1) |
| 1578 | { |
| 1579 | const char *name; |
| 1580 | unsigned long namlen; |
| 1581 | boolean present; |
| 1582 | debug_type ftype; |
| 1583 | bfd_vma bitpos, bitsize; |
| 1584 | |
| 1585 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 1586 | return false; |
| 1587 | if (! present) |
| 1588 | break; |
| 1589 | if (! ieee_read_type_index (info, pp, &ftype) |
| 1590 | || ! ieee_read_number (info, pp, &bitpos) |
| 1591 | || ! ieee_read_number (info, pp, &bitsize)) |
| 1592 | return false; |
| 1593 | |
| 1594 | if (c + 1 >= alloc) |
| 1595 | { |
| 1596 | alloc += 10; |
| 1597 | fields = ((debug_field *) |
| 1598 | xrealloc (fields, alloc * sizeof *fields)); |
| 1599 | } |
| 1600 | |
| 1601 | fields[c] = debug_make_field (dhandle, savestring (name, namlen), |
| 1602 | ftype, bitpos, bitsize, |
| 1603 | DEBUG_VISIBILITY_PUBLIC); |
| 1604 | if (fields[c] == NULL) |
| 1605 | return false; |
| 1606 | ++c; |
| 1607 | } |
| 1608 | |
| 1609 | fields[c] = NULL; |
| 1610 | |
| 1611 | type = debug_make_struct_type (dhandle, true, size, fields); |
| 1612 | tag = true; |
| 1613 | } |
| 1614 | break; |
| 1615 | |
| 1616 | case 'N': |
| 1617 | /* Enumeration. */ |
| 1618 | { |
| 1619 | unsigned int alloc; |
| 1620 | const char **names; |
| 1621 | bfd_signed_vma *vals; |
| 1622 | unsigned int c; |
| 1623 | |
| 1624 | alloc = 10; |
| 1625 | names = (const char **) xmalloc (alloc * sizeof *names); |
| 1626 | vals = (bfd_signed_vma *) xmalloc (alloc * sizeof *names); |
| 1627 | c = 0; |
| 1628 | while (1) |
| 1629 | { |
| 1630 | const char *name; |
| 1631 | unsigned long namlen; |
| 1632 | boolean present; |
| 1633 | bfd_vma val; |
| 1634 | |
| 1635 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 1636 | return false; |
| 1637 | if (! present) |
| 1638 | break; |
| 1639 | if (! ieee_read_number (info, pp, &val)) |
| 1640 | return false; |
| 1641 | |
| 1642 | /* If the length of the name is zero, then the value is |
| 1643 | actually the size of the enum. We ignore this |
| 1644 | information. FIXME. */ |
| 1645 | if (namlen == 0) |
| 1646 | continue; |
| 1647 | |
| 1648 | if (c + 1 >= alloc) |
| 1649 | { |
| 1650 | alloc += 10; |
| 1651 | names = ((const char **) |
| 1652 | xrealloc (names, alloc * sizeof *names)); |
| 1653 | vals = ((bfd_signed_vma *) |
| 1654 | xrealloc (vals, alloc * sizeof *vals)); |
| 1655 | } |
| 1656 | |
| 1657 | names[c] = savestring (name, namlen); |
| 1658 | if (names[c] == NULL) |
| 1659 | return false; |
| 1660 | vals[c] = (bfd_signed_vma) val; |
| 1661 | ++c; |
| 1662 | } |
| 1663 | |
| 1664 | names[c] = NULL; |
| 1665 | |
| 1666 | type = debug_make_enum_type (dhandle, names, vals); |
| 1667 | tag = true; |
| 1668 | } |
| 1669 | break; |
| 1670 | |
| 1671 | case 'O': /* Small pointer. We don't distinguish small and large |
| 1672 | pointers. FIXME. */ |
| 1673 | case 'P': /* Large pointer. */ |
| 1674 | { |
| 1675 | debug_type t; |
| 1676 | |
| 1677 | if (! ieee_read_type_index (info, pp, &t)) |
| 1678 | return false; |
| 1679 | type = debug_make_pointer_type (dhandle, t); |
| 1680 | } |
| 1681 | break; |
| 1682 | |
| 1683 | case 'R': |
| 1684 | /* Range. */ |
| 1685 | { |
| 1686 | bfd_vma low, high, signedp, size; |
| 1687 | |
| 1688 | if (! ieee_read_number (info, pp, &low) |
| 1689 | || ! ieee_read_number (info, pp, &high) |
| 1690 | || ! ieee_read_number (info, pp, &signedp) |
| 1691 | || ! ieee_read_number (info, pp, &size)) |
| 1692 | return false; |
| 1693 | |
| 1694 | type = debug_make_range_type (dhandle, |
| 1695 | debug_make_int_type (dhandle, size, |
| 1696 | ! signedp), |
| 1697 | (bfd_signed_vma) low, |
| 1698 | (bfd_signed_vma) high); |
| 1699 | } |
| 1700 | break; |
| 1701 | |
| 1702 | case 'S': /* Struct. */ |
| 1703 | case 'U': /* Union. */ |
| 1704 | { |
| 1705 | bfd_vma size; |
| 1706 | unsigned int alloc; |
| 1707 | debug_field *fields; |
| 1708 | unsigned int c; |
| 1709 | |
| 1710 | if (! ieee_read_number (info, pp, &size)) |
| 1711 | return false; |
| 1712 | |
| 1713 | alloc = 10; |
| 1714 | fields = (debug_field *) xmalloc (alloc * sizeof *fields); |
| 1715 | c = 0; |
| 1716 | while (1) |
| 1717 | { |
| 1718 | const char *name; |
| 1719 | unsigned long namlen; |
| 1720 | boolean present; |
| 1721 | bfd_vma tindx; |
| 1722 | bfd_vma offset; |
| 1723 | debug_type ftype; |
| 1724 | bfd_vma bitsize; |
| 1725 | |
| 1726 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 1727 | return false; |
| 1728 | if (! present) |
| 1729 | break; |
| 1730 | if (! ieee_read_number (info, pp, &tindx) |
| 1731 | || ! ieee_read_number (info, pp, &offset)) |
| 1732 | return false; |
| 1733 | |
| 1734 | if (tindx < 256) |
| 1735 | { |
| 1736 | ftype = ieee_builtin_type (info, ty_code_start, tindx); |
| 1737 | bitsize = 0; |
| 1738 | offset *= 8; |
| 1739 | } |
| 1740 | else |
| 1741 | { |
| 1742 | struct ieee_type *t; |
| 1743 | |
| 1744 | tindx -= 256; |
| 1745 | if (! ieee_alloc_type (info, tindx, true)) |
| 1746 | return false; |
| 1747 | t = info->types.types + tindx; |
| 1748 | ftype = t->type; |
| 1749 | bitsize = t->bitsize; |
| 1750 | if (bitsize == 0) |
| 1751 | offset *= 8; |
| 1752 | } |
| 1753 | |
| 1754 | if (c + 1 >= alloc) |
| 1755 | { |
| 1756 | alloc += 10; |
| 1757 | fields = ((debug_field *) |
| 1758 | xrealloc (fields, alloc * sizeof *fields)); |
| 1759 | } |
| 1760 | |
| 1761 | fields[c] = debug_make_field (dhandle, savestring (name, namlen), |
| 1762 | ftype, offset, bitsize, |
| 1763 | DEBUG_VISIBILITY_PUBLIC); |
| 1764 | if (fields[c] == NULL) |
| 1765 | return false; |
| 1766 | ++c; |
| 1767 | } |
| 1768 | |
| 1769 | fields[c] = NULL; |
| 1770 | |
| 1771 | type = debug_make_struct_type (dhandle, tc == 'S', size, fields); |
| 1772 | tag = true; |
| 1773 | } |
| 1774 | break; |
| 1775 | |
| 1776 | case 'T': |
| 1777 | /* Typedef. */ |
| 1778 | if (! ieee_read_type_index (info, pp, &type)) |
| 1779 | return false; |
| 1780 | typdef = true; |
| 1781 | break; |
| 1782 | |
| 1783 | case 'X': |
| 1784 | /* Procedure. FIXME: This is an extern declaration, which we |
| 1785 | have no way of representing. */ |
| 1786 | { |
| 1787 | bfd_vma attr; |
| 1788 | debug_type rtype; |
| 1789 | bfd_vma nargs; |
| 1790 | boolean present; |
| 1791 | struct ieee_var *pv; |
| 1792 | |
| 1793 | /* FIXME: We ignore the attribute and the argument names. */ |
| 1794 | |
| 1795 | if (! ieee_read_number (info, pp, &attr) |
| 1796 | || ! ieee_read_type_index (info, pp, &rtype) |
| 1797 | || ! ieee_read_number (info, pp, &nargs)) |
| 1798 | return false; |
| 1799 | do |
| 1800 | { |
| 1801 | const char *name; |
| 1802 | unsigned long namlen; |
| 1803 | |
| 1804 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 1805 | return false; |
| 1806 | } |
| 1807 | while (present); |
| 1808 | |
| 1809 | pv = info->vars.vars + varindx; |
| 1810 | pv->kind = IEEE_EXTERNAL; |
| 1811 | if (pv->namlen > 0 |
| 1812 | && debug_get_type_kind (dhandle, rtype) == DEBUG_KIND_POINTER) |
| 1813 | { |
| 1814 | /* Set up the return type as an indirect type pointing to |
| 1815 | the variable slot, so that we can change it to a |
| 1816 | reference later if appropriate. */ |
| 1817 | pv->pslot = (debug_type *) xmalloc (sizeof *pv->pslot); |
| 1818 | *pv->pslot = rtype; |
| 1819 | rtype = debug_make_indirect_type (dhandle, pv->pslot, |
| 1820 | (const char *) NULL); |
| 1821 | } |
| 1822 | |
| 1823 | type = debug_make_function_type (dhandle, rtype, (debug_type *) NULL, |
| 1824 | false); |
| 1825 | } |
| 1826 | break; |
| 1827 | |
| 1828 | case 'V': |
| 1829 | /* Void. This is not documented, but the MRI compiler emits it. */ |
| 1830 | type = debug_make_void_type (dhandle); |
| 1831 | break; |
| 1832 | |
| 1833 | case 'Z': |
| 1834 | /* Array with 0 lower bound. */ |
| 1835 | { |
| 1836 | debug_type etype; |
| 1837 | bfd_vma high; |
| 1838 | |
| 1839 | if (! ieee_read_type_index (info, pp, &etype) |
| 1840 | || ! ieee_read_number (info, pp, &high)) |
| 1841 | return false; |
| 1842 | |
| 1843 | type = debug_make_array_type (dhandle, etype, |
| 1844 | ieee_builtin_type (info, ty_code_start, |
| 1845 | ((unsigned int) |
| 1846 | builtin_int)), |
| 1847 | 0, (bfd_signed_vma) high, false); |
| 1848 | } |
| 1849 | break; |
| 1850 | |
| 1851 | case 'c': /* Complex. */ |
| 1852 | case 'd': /* Double complex. */ |
| 1853 | { |
| 1854 | const char *name; |
| 1855 | unsigned long namlen; |
| 1856 | |
| 1857 | /* FIXME: I don't know what the name means. */ |
| 1858 | |
| 1859 | if (! ieee_read_id (info, pp, &name, &namlen)) |
| 1860 | return false; |
| 1861 | |
| 1862 | type = debug_make_complex_type (dhandle, tc == 'c' ? 4 : 8); |
| 1863 | } |
| 1864 | break; |
| 1865 | |
| 1866 | case 'f': |
| 1867 | /* Pascal file name. FIXME. */ |
| 1868 | ieee_error (info, ty_code_start, "Pascal file name not supported"); |
| 1869 | return false; |
| 1870 | |
| 1871 | case 'g': |
| 1872 | /* Bitfield type. */ |
| 1873 | { |
| 1874 | bfd_vma signedp, bitsize, dummy; |
| 1875 | const bfd_byte *hold; |
| 1876 | boolean present; |
| 1877 | |
| 1878 | if (! ieee_read_number (info, pp, &signedp) |
| 1879 | || ! ieee_read_number (info, pp, &bitsize)) |
| 1880 | return false; |
| 1881 | |
| 1882 | /* I think the documentation says that there is a type index, |
| 1883 | but some actual files do not have one. */ |
| 1884 | hold = *pp; |
| 1885 | if (! ieee_read_optional_number (info, pp, &dummy, &present)) |
| 1886 | return false; |
| 1887 | if (! present) |
| 1888 | { |
| 1889 | /* FIXME: This is just a guess. */ |
| 1890 | type = debug_make_int_type (dhandle, 4, |
| 1891 | signedp ? false : true); |
| 1892 | } |
| 1893 | else |
| 1894 | { |
| 1895 | *pp = hold; |
| 1896 | if (! ieee_read_type_index (info, pp, &type)) |
| 1897 | return false; |
| 1898 | } |
| 1899 | type_bitsize = bitsize; |
| 1900 | } |
| 1901 | break; |
| 1902 | |
| 1903 | case 'n': |
| 1904 | /* Qualifier. */ |
| 1905 | { |
| 1906 | bfd_vma kind; |
| 1907 | debug_type t; |
| 1908 | |
| 1909 | if (! ieee_read_number (info, pp, &kind) |
| 1910 | || ! ieee_read_type_index (info, pp, &t)) |
| 1911 | return false; |
| 1912 | |
| 1913 | switch (kind) |
| 1914 | { |
| 1915 | default: |
| 1916 | ieee_error (info, ty_start, "unsupported qualifer"); |
| 1917 | return false; |
| 1918 | |
| 1919 | case 1: |
| 1920 | type = debug_make_const_type (dhandle, t); |
| 1921 | break; |
| 1922 | |
| 1923 | case 2: |
| 1924 | type = debug_make_volatile_type (dhandle, t); |
| 1925 | break; |
| 1926 | } |
| 1927 | } |
| 1928 | break; |
| 1929 | |
| 1930 | case 's': |
| 1931 | /* Set. */ |
| 1932 | { |
| 1933 | bfd_vma size; |
| 1934 | debug_type etype; |
| 1935 | |
| 1936 | if (! ieee_read_number (info, pp, &size) |
| 1937 | || ! ieee_read_type_index (info, pp, &etype)) |
| 1938 | return false; |
| 1939 | |
| 1940 | /* FIXME: We ignore the size. */ |
| 1941 | |
| 1942 | type = debug_make_set_type (dhandle, etype, false); |
| 1943 | } |
| 1944 | break; |
| 1945 | |
| 1946 | case 'x': |
| 1947 | /* Procedure with compiler dependencies. */ |
| 1948 | { |
| 1949 | struct ieee_var *pv; |
| 1950 | bfd_vma attr, frame_type, push_mask, nargs, level, father; |
| 1951 | debug_type rtype; |
| 1952 | debug_type *arg_types; |
| 1953 | boolean varargs; |
| 1954 | boolean present; |
| 1955 | |
| 1956 | /* FIXME: We ignore some of this information. */ |
| 1957 | |
| 1958 | pv = info->vars.vars + varindx; |
| 1959 | |
| 1960 | if (! ieee_read_number (info, pp, &attr) |
| 1961 | || ! ieee_read_number (info, pp, &frame_type) |
| 1962 | || ! ieee_read_number (info, pp, &push_mask) |
| 1963 | || ! ieee_read_type_index (info, pp, &rtype) |
| 1964 | || ! ieee_read_number (info, pp, &nargs)) |
| 1965 | return false; |
| 1966 | if (nargs == (bfd_vma) -1) |
| 1967 | { |
| 1968 | arg_types = NULL; |
| 1969 | varargs = false; |
| 1970 | } |
| 1971 | else |
| 1972 | { |
| 1973 | unsigned int i; |
| 1974 | |
| 1975 | arg_types = ((debug_type *) |
| 1976 | xmalloc ((nargs + 1) * sizeof *arg_types)); |
| 1977 | for (i = 0; i < nargs; i++) |
| 1978 | if (! ieee_read_type_index (info, pp, arg_types + i)) |
| 1979 | return false; |
| 1980 | |
| 1981 | /* If the last type is pointer to void, this is really a |
| 1982 | varargs function. */ |
| 1983 | varargs = false; |
| 1984 | if (nargs > 0) |
| 1985 | { |
| 1986 | debug_type last; |
| 1987 | |
| 1988 | last = arg_types[nargs - 1]; |
| 1989 | if (debug_get_type_kind (dhandle, last) == DEBUG_KIND_POINTER |
| 1990 | && (debug_get_type_kind (dhandle, |
| 1991 | debug_get_target_type (dhandle, |
| 1992 | last)) |
| 1993 | == DEBUG_KIND_VOID)) |
| 1994 | { |
| 1995 | --nargs; |
| 1996 | varargs = true; |
| 1997 | } |
| 1998 | } |
| 1999 | |
| 2000 | /* If there are any pointer arguments, turn them into |
| 2001 | indirect types in case we later need to convert them to |
| 2002 | reference types. */ |
| 2003 | for (i = 0; i < nargs; i++) |
| 2004 | { |
| 2005 | if (debug_get_type_kind (dhandle, arg_types[i]) |
| 2006 | == DEBUG_KIND_POINTER) |
| 2007 | { |
| 2008 | if (arg_slots == NULL) |
| 2009 | { |
| 2010 | arg_slots = ((debug_type *) |
| 2011 | xmalloc (nargs * sizeof *arg_slots)); |
| 2012 | memset (arg_slots, 0, nargs * sizeof *arg_slots); |
| 2013 | } |
| 2014 | arg_slots[i] = arg_types[i]; |
| 2015 | arg_types[i] = |
| 2016 | debug_make_indirect_type (dhandle, |
| 2017 | arg_slots + i, |
| 2018 | (const char *) NULL); |
| 2019 | } |
| 2020 | } |
| 2021 | |
| 2022 | arg_types[nargs] = DEBUG_TYPE_NULL; |
| 2023 | } |
| 2024 | if (! ieee_read_number (info, pp, &level) |
| 2025 | || ! ieee_read_optional_number (info, pp, &father, &present)) |
| 2026 | return false; |
| 2027 | |
| 2028 | /* We can't distinguish between a global function and a static |
| 2029 | function. */ |
| 2030 | pv->kind = IEEE_FUNCTION; |
| 2031 | |
| 2032 | if (pv->namlen > 0 |
| 2033 | && debug_get_type_kind (dhandle, rtype) == DEBUG_KIND_POINTER) |
| 2034 | { |
| 2035 | /* Set up the return type as an indirect type pointing to |
| 2036 | the variable slot, so that we can change it to a |
| 2037 | reference later if appropriate. */ |
| 2038 | pv->pslot = (debug_type *) xmalloc (sizeof *pv->pslot); |
| 2039 | *pv->pslot = rtype; |
| 2040 | rtype = debug_make_indirect_type (dhandle, pv->pslot, |
| 2041 | (const char *) NULL); |
| 2042 | } |
| 2043 | |
| 2044 | type = debug_make_function_type (dhandle, rtype, arg_types, varargs); |
| 2045 | } |
| 2046 | break; |
| 2047 | } |
| 2048 | |
| 2049 | /* Record the type in the table. */ |
| 2050 | |
| 2051 | if (type == DEBUG_TYPE_NULL) |
| 2052 | return false; |
| 2053 | |
| 2054 | info->vars.vars[varindx].type = type; |
| 2055 | |
| 2056 | if ((tag || typdef) |
| 2057 | && info->vars.vars[varindx].namlen > 0) |
| 2058 | { |
| 2059 | const char *name; |
| 2060 | |
| 2061 | name = savestring (info->vars.vars[varindx].name, |
| 2062 | info->vars.vars[varindx].namlen); |
| 2063 | if (typdef) |
| 2064 | type = debug_name_type (dhandle, name, type); |
| 2065 | else if (tc == 'E' || tc == 'N') |
| 2066 | type = debug_tag_type (dhandle, name, type); |
| 2067 | else |
| 2068 | { |
| 2069 | struct ieee_tag *it; |
| 2070 | |
| 2071 | /* We must allocate all struct tags as indirect types, so |
| 2072 | that if we later see a definition of the tag as a C++ |
| 2073 | record we can update the indirect slot and automatically |
| 2074 | change all the existing references. */ |
| 2075 | it = (struct ieee_tag *) xmalloc (sizeof *it); |
| 2076 | memset (it, 0, sizeof *it); |
| 2077 | it->next = info->tags; |
| 2078 | info->tags = it; |
| 2079 | it->name = name; |
| 2080 | it->slot = type; |
| 2081 | |
| 2082 | type = debug_make_indirect_type (dhandle, &it->slot, name); |
| 2083 | type = debug_tag_type (dhandle, name, type); |
| 2084 | |
| 2085 | it->type = type; |
| 2086 | } |
| 2087 | if (type == NULL) |
| 2088 | return false; |
| 2089 | } |
| 2090 | |
| 2091 | info->types.types[typeindx].type = type; |
| 2092 | info->types.types[typeindx].arg_slots = arg_slots; |
| 2093 | info->types.types[typeindx].bitsize = type_bitsize; |
| 2094 | |
| 2095 | /* We may have already allocated type as an indirect type pointing |
| 2096 | to slot. It does no harm to replace the indirect type with the |
| 2097 | real type. Filling in slot as well handles the indirect types |
| 2098 | which are already hanging around. */ |
| 2099 | if (info->types.types[typeindx].pslot != NULL) |
| 2100 | *info->types.types[typeindx].pslot = type; |
| 2101 | |
| 2102 | return true; |
| 2103 | } |
| 2104 | |
| 2105 | /* Parse an ATN record. */ |
| 2106 | |
| 2107 | static boolean |
| 2108 | parse_ieee_atn (info, pp) |
| 2109 | struct ieee_info *info; |
| 2110 | const bfd_byte **pp; |
| 2111 | { |
| 2112 | const bfd_byte *atn_start, *atn_code_start; |
| 2113 | bfd_vma varindx; |
| 2114 | struct ieee_var *pvar; |
| 2115 | debug_type type; |
| 2116 | bfd_vma atn_code; |
| 2117 | PTR dhandle; |
| 2118 | bfd_vma v, v2, v3, v4, v5; |
| 2119 | const char *name; |
| 2120 | unsigned long namlen; |
| 2121 | char *namcopy; |
| 2122 | boolean present; |
| 2123 | int blocktype; |
| 2124 | |
| 2125 | atn_start = *pp; |
| 2126 | |
| 2127 | if (! ieee_read_number (info, pp, &varindx) |
| 2128 | || ! ieee_read_type_index (info, pp, &type)) |
| 2129 | return false; |
| 2130 | |
| 2131 | atn_code_start = *pp; |
| 2132 | |
| 2133 | if (! ieee_read_number (info, pp, &atn_code)) |
| 2134 | return false; |
| 2135 | |
| 2136 | if (varindx == 0) |
| 2137 | { |
| 2138 | pvar = NULL; |
| 2139 | name = ""; |
| 2140 | namlen = 0; |
| 2141 | } |
| 2142 | else if (varindx < 32) |
| 2143 | { |
| 2144 | ieee_error (info, atn_start, "illegal variable index"); |
| 2145 | return false; |
| 2146 | } |
| 2147 | else |
| 2148 | { |
| 2149 | varindx -= 32; |
| 2150 | if (varindx >= info->vars.alloc |
| 2151 | || info->vars.vars[varindx].name == NULL) |
| 2152 | { |
| 2153 | /* The MRI compiler or linker sometimes omits the NN record |
| 2154 | for a pmisc record. */ |
| 2155 | if (atn_code == 62) |
| 2156 | { |
| 2157 | if (varindx >= info->vars.alloc) |
| 2158 | { |
| 2159 | unsigned int alloc; |
| 2160 | |
| 2161 | alloc = info->vars.alloc; |
| 2162 | if (alloc == 0) |
| 2163 | alloc = 4; |
| 2164 | while (varindx >= alloc) |
| 2165 | alloc *= 2; |
| 2166 | info->vars.vars = ((struct ieee_var *) |
| 2167 | xrealloc (info->vars.vars, |
| 2168 | (alloc |
| 2169 | * sizeof *info->vars.vars))); |
| 2170 | memset (info->vars.vars + info->vars.alloc, 0, |
| 2171 | ((alloc - info->vars.alloc) |
| 2172 | * sizeof *info->vars.vars)); |
| 2173 | info->vars.alloc = alloc; |
| 2174 | } |
| 2175 | |
| 2176 | pvar = info->vars.vars + varindx; |
| 2177 | pvar->name = ""; |
| 2178 | pvar->namlen = 0; |
| 2179 | } |
| 2180 | else |
| 2181 | { |
| 2182 | ieee_error (info, atn_start, "undefined variable in ATN"); |
| 2183 | return false; |
| 2184 | } |
| 2185 | } |
| 2186 | |
| 2187 | pvar = info->vars.vars + varindx; |
| 2188 | |
| 2189 | pvar->type = type; |
| 2190 | |
| 2191 | name = pvar->name; |
| 2192 | namlen = pvar->namlen; |
| 2193 | } |
| 2194 | |
| 2195 | dhandle = info->dhandle; |
| 2196 | |
| 2197 | /* If we are going to call debug_record_variable with a pointer |
| 2198 | type, change the type to an indirect type so that we can later |
| 2199 | change it to a reference type if we encounter a C++ pmisc 'R' |
| 2200 | record. */ |
| 2201 | if (pvar != NULL |
| 2202 | && type != DEBUG_TYPE_NULL |
| 2203 | && debug_get_type_kind (dhandle, type) == DEBUG_KIND_POINTER) |
| 2204 | { |
| 2205 | switch (atn_code) |
| 2206 | { |
| 2207 | case 1: |
| 2208 | case 2: |
| 2209 | case 3: |
| 2210 | case 5: |
| 2211 | case 8: |
| 2212 | case 10: |
| 2213 | pvar->pslot = (debug_type *) xmalloc (sizeof *pvar->pslot); |
| 2214 | *pvar->pslot = type; |
| 2215 | type = debug_make_indirect_type (dhandle, pvar->pslot, |
| 2216 | (const char *) NULL); |
| 2217 | pvar->type = type; |
| 2218 | break; |
| 2219 | } |
| 2220 | } |
| 2221 | |
| 2222 | switch (atn_code) |
| 2223 | { |
| 2224 | default: |
| 2225 | ieee_error (info, atn_code_start, "unknown ATN type"); |
| 2226 | return false; |
| 2227 | |
| 2228 | case 1: |
| 2229 | /* Automatic variable. */ |
| 2230 | if (! ieee_read_number (info, pp, &v)) |
| 2231 | return false; |
| 2232 | namcopy = savestring (name, namlen); |
| 2233 | if (type == NULL) |
| 2234 | type = debug_make_void_type (dhandle); |
| 2235 | if (pvar != NULL) |
| 2236 | pvar->kind = IEEE_LOCAL; |
| 2237 | return debug_record_variable (dhandle, namcopy, type, DEBUG_LOCAL, v); |
| 2238 | |
| 2239 | case 2: |
| 2240 | /* Register variable. */ |
| 2241 | if (! ieee_read_number (info, pp, &v)) |
| 2242 | return false; |
| 2243 | namcopy = savestring (name, namlen); |
| 2244 | if (type == NULL) |
| 2245 | type = debug_make_void_type (dhandle); |
| 2246 | if (pvar != NULL) |
| 2247 | pvar->kind = IEEE_LOCAL; |
| 2248 | return debug_record_variable (dhandle, namcopy, type, DEBUG_REGISTER, |
| 2249 | ieee_regno_to_genreg (info->abfd, v)); |
| 2250 | |
| 2251 | case 3: |
| 2252 | /* Static variable. */ |
| 2253 | if (! ieee_require_asn (info, pp, &v)) |
| 2254 | return false; |
| 2255 | namcopy = savestring (name, namlen); |
| 2256 | if (type == NULL) |
| 2257 | type = debug_make_void_type (dhandle); |
| 2258 | if (info->blockstack.bsp <= info->blockstack.stack) |
| 2259 | blocktype = 0; |
| 2260 | else |
| 2261 | blocktype = info->blockstack.bsp[-1].kind; |
| 2262 | if (pvar != NULL) |
| 2263 | { |
| 2264 | if (blocktype == 4 || blocktype == 6) |
| 2265 | pvar->kind = IEEE_LOCAL; |
| 2266 | else |
| 2267 | pvar->kind = IEEE_STATIC; |
| 2268 | } |
| 2269 | return debug_record_variable (dhandle, namcopy, type, |
| 2270 | (blocktype == 4 || blocktype == 6 |
| 2271 | ? DEBUG_LOCAL_STATIC |
| 2272 | : DEBUG_STATIC), |
| 2273 | v); |
| 2274 | |
| 2275 | case 4: |
| 2276 | /* External function. We don't currently record these. FIXME. */ |
| 2277 | if (pvar != NULL) |
| 2278 | pvar->kind = IEEE_EXTERNAL; |
| 2279 | return true; |
| 2280 | |
| 2281 | case 5: |
| 2282 | /* External variable. We don't currently record these. FIXME. */ |
| 2283 | if (pvar != NULL) |
| 2284 | pvar->kind = IEEE_EXTERNAL; |
| 2285 | return true; |
| 2286 | |
| 2287 | case 7: |
| 2288 | if (! ieee_read_number (info, pp, &v) |
| 2289 | || ! ieee_read_number (info, pp, &v2) |
| 2290 | || ! ieee_read_optional_number (info, pp, &v3, &present)) |
| 2291 | return false; |
| 2292 | if (present) |
| 2293 | { |
| 2294 | if (! ieee_read_optional_number (info, pp, &v4, &present)) |
| 2295 | return false; |
| 2296 | } |
| 2297 | |
| 2298 | /* We just ignore the two optional fields in v3 and v4, since |
| 2299 | they are not defined. */ |
| 2300 | |
| 2301 | if (! ieee_require_asn (info, pp, &v3)) |
| 2302 | return false; |
| 2303 | |
| 2304 | /* We have no way to record the column number. FIXME. */ |
| 2305 | |
| 2306 | return debug_record_line (dhandle, v, v3); |
| 2307 | |
| 2308 | case 8: |
| 2309 | /* Global variable. */ |
| 2310 | if (! ieee_require_asn (info, pp, &v)) |
| 2311 | return false; |
| 2312 | namcopy = savestring (name, namlen); |
| 2313 | if (type == NULL) |
| 2314 | type = debug_make_void_type (dhandle); |
| 2315 | if (pvar != NULL) |
| 2316 | pvar->kind = IEEE_GLOBAL; |
| 2317 | return debug_record_variable (dhandle, namcopy, type, DEBUG_GLOBAL, v); |
| 2318 | |
| 2319 | case 9: |
| 2320 | /* Variable lifetime information. */ |
| 2321 | if (! ieee_read_number (info, pp, &v)) |
| 2322 | return false; |
| 2323 | |
| 2324 | /* We have no way to record this information. FIXME. */ |
| 2325 | return true; |
| 2326 | |
| 2327 | case 10: |
| 2328 | /* Locked register. The spec says that there are two required |
| 2329 | fields, but at least on occasion the MRI compiler only emits |
| 2330 | one. */ |
| 2331 | if (! ieee_read_number (info, pp, &v) |
| 2332 | || ! ieee_read_optional_number (info, pp, &v2, &present)) |
| 2333 | return false; |
| 2334 | |
| 2335 | /* I think this means a variable that is both in a register and |
| 2336 | a frame slot. We ignore the frame slot. FIXME. */ |
| 2337 | |
| 2338 | namcopy = savestring (name, namlen); |
| 2339 | if (type == NULL) |
| 2340 | type = debug_make_void_type (dhandle); |
| 2341 | if (pvar != NULL) |
| 2342 | pvar->kind = IEEE_LOCAL; |
| 2343 | return debug_record_variable (dhandle, namcopy, type, DEBUG_REGISTER, v); |
| 2344 | |
| 2345 | case 11: |
| 2346 | /* Reserved for FORTRAN common. */ |
| 2347 | ieee_error (info, atn_code_start, "unsupported ATN11"); |
| 2348 | |
| 2349 | /* Return true to keep going. */ |
| 2350 | return true; |
| 2351 | |
| 2352 | case 12: |
| 2353 | /* Based variable. */ |
| 2354 | v3 = 0; |
| 2355 | v4 = 0x80; |
| 2356 | v5 = 0; |
| 2357 | if (! ieee_read_number (info, pp, &v) |
| 2358 | || ! ieee_read_number (info, pp, &v2) |
| 2359 | || ! ieee_read_optional_number (info, pp, &v3, &present)) |
| 2360 | return false; |
| 2361 | if (present) |
| 2362 | { |
| 2363 | if (! ieee_read_optional_number (info, pp, &v4, &present)) |
| 2364 | return false; |
| 2365 | if (present) |
| 2366 | { |
| 2367 | if (! ieee_read_optional_number (info, pp, &v5, &present)) |
| 2368 | return false; |
| 2369 | } |
| 2370 | } |
| 2371 | |
| 2372 | /* We have no way to record this information. FIXME. */ |
| 2373 | |
| 2374 | ieee_error (info, atn_code_start, "unsupported ATN12"); |
| 2375 | |
| 2376 | /* Return true to keep going. */ |
| 2377 | return true; |
| 2378 | |
| 2379 | case 16: |
| 2380 | /* Constant. The description of this that I have is ambiguous, |
| 2381 | so I'm not going to try to implement it. */ |
| 2382 | if (! ieee_read_number (info, pp, &v) |
| 2383 | || ! ieee_read_optional_number (info, pp, &v2, &present)) |
| 2384 | return false; |
| 2385 | if (present) |
| 2386 | { |
| 2387 | if (! ieee_read_optional_number (info, pp, &v2, &present)) |
| 2388 | return false; |
| 2389 | if (present) |
| 2390 | { |
| 2391 | if (! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 2392 | return false; |
| 2393 | } |
| 2394 | } |
| 2395 | |
| 2396 | if ((ieee_record_enum_type) **pp == ieee_e2_first_byte_enum) |
| 2397 | { |
| 2398 | if (! ieee_require_asn (info, pp, &v3)) |
| 2399 | return false; |
| 2400 | } |
| 2401 | |
| 2402 | return true; |
| 2403 | |
| 2404 | case 19: |
| 2405 | /* Static variable from assembler. */ |
| 2406 | v2 = 0; |
| 2407 | if (! ieee_read_number (info, pp, &v) |
| 2408 | || ! ieee_read_optional_number (info, pp, &v2, &present) |
| 2409 | || ! ieee_require_asn (info, pp, &v3)) |
| 2410 | return false; |
| 2411 | namcopy = savestring (name, namlen); |
| 2412 | /* We don't really handle this correctly. FIXME. */ |
| 2413 | return debug_record_variable (dhandle, namcopy, |
| 2414 | debug_make_void_type (dhandle), |
| 2415 | v2 != 0 ? DEBUG_GLOBAL : DEBUG_STATIC, |
| 2416 | v3); |
| 2417 | |
| 2418 | case 62: |
| 2419 | /* Procedure miscellaneous information. */ |
| 2420 | case 63: |
| 2421 | /* Variable miscellaneous information. */ |
| 2422 | case 64: |
| 2423 | /* Module miscellaneous information. */ |
| 2424 | if (! ieee_read_number (info, pp, &v) |
| 2425 | || ! ieee_read_number (info, pp, &v2) |
| 2426 | || ! ieee_read_optional_id (info, pp, &name, &namlen, &present)) |
| 2427 | return false; |
| 2428 | |
| 2429 | if (atn_code == 62 && v == 80) |
| 2430 | { |
| 2431 | if (present) |
| 2432 | { |
| 2433 | ieee_error (info, atn_code_start, |
| 2434 | "unexpected string in C++ misc"); |
| 2435 | return false; |
| 2436 | } |
| 2437 | return ieee_read_cxx_misc (info, pp, v2); |
| 2438 | } |
| 2439 | |
| 2440 | /* We just ignore all of this stuff. FIXME. */ |
| 2441 | |
| 2442 | for (; v2 > 0; --v2) |
| 2443 | { |
| 2444 | switch ((ieee_record_enum_type) **pp) |
| 2445 | { |
| 2446 | default: |
| 2447 | ieee_error (info, *pp, "bad misc record"); |
| 2448 | return false; |
| 2449 | |
| 2450 | case ieee_at_record_enum: |
| 2451 | if (! ieee_require_atn65 (info, pp, &name, &namlen)) |
| 2452 | return false; |
| 2453 | break; |
| 2454 | |
| 2455 | case ieee_e2_first_byte_enum: |
| 2456 | if (! ieee_require_asn (info, pp, &v3)) |
| 2457 | return false; |
| 2458 | break; |
| 2459 | } |
| 2460 | } |
| 2461 | |
| 2462 | return true; |
| 2463 | } |
| 2464 | |
| 2465 | /*NOTREACHED*/ |
| 2466 | } |
| 2467 | |
| 2468 | /* Handle C++ debugging miscellaneous records. This is called for |
| 2469 | procedure miscellaneous records of type 80. */ |
| 2470 | |
| 2471 | static boolean |
| 2472 | ieee_read_cxx_misc (info, pp, count) |
| 2473 | struct ieee_info *info; |
| 2474 | const bfd_byte **pp; |
| 2475 | unsigned long count; |
| 2476 | { |
| 2477 | const bfd_byte *start; |
| 2478 | bfd_vma category; |
| 2479 | |
| 2480 | start = *pp; |
| 2481 | |
| 2482 | /* Get the category of C++ misc record. */ |
| 2483 | if (! ieee_require_asn (info, pp, &category)) |
| 2484 | return false; |
| 2485 | --count; |
| 2486 | |
| 2487 | switch (category) |
| 2488 | { |
| 2489 | default: |
| 2490 | ieee_error (info, start, "unrecognized C++ misc record"); |
| 2491 | return false; |
| 2492 | |
| 2493 | case 'T': |
| 2494 | if (! ieee_read_cxx_class (info, pp, count)) |
| 2495 | return false; |
| 2496 | break; |
| 2497 | |
| 2498 | case 'M': |
| 2499 | { |
| 2500 | bfd_vma flags; |
| 2501 | const char *name; |
| 2502 | unsigned long namlen; |
| 2503 | |
| 2504 | /* The IEEE spec indicates that the 'M' record only has a |
| 2505 | flags field. The MRI compiler also emits the name of the |
| 2506 | function. */ |
| 2507 | |
| 2508 | if (! ieee_require_asn (info, pp, &flags)) |
| 2509 | return false; |
| 2510 | if (*pp < info->pend |
| 2511 | && (ieee_record_enum_type) **pp == ieee_at_record_enum) |
| 2512 | { |
| 2513 | if (! ieee_require_atn65 (info, pp, &name, &namlen)) |
| 2514 | return false; |
| 2515 | } |
| 2516 | |
| 2517 | /* This is emitted for method functions, but I don't think we |
| 2518 | care very much. It might help if it told us useful |
| 2519 | information like the class with which this function is |
| 2520 | associated, but it doesn't, so it isn't helpful. */ |
| 2521 | } |
| 2522 | break; |
| 2523 | |
| 2524 | case 'B': |
| 2525 | if (! ieee_read_cxx_defaults (info, pp, count)) |
| 2526 | return false; |
| 2527 | break; |
| 2528 | |
| 2529 | case 'z': |
| 2530 | { |
| 2531 | const char *name, *mangled, *class; |
| 2532 | unsigned long namlen, mangledlen, classlen; |
| 2533 | bfd_vma control; |
| 2534 | |
| 2535 | /* Pointer to member. */ |
| 2536 | |
| 2537 | if (! ieee_require_atn65 (info, pp, &name, &namlen) |
| 2538 | || ! ieee_require_atn65 (info, pp, &mangled, &mangledlen) |
| 2539 | || ! ieee_require_atn65 (info, pp, &class, &classlen) |
| 2540 | || ! ieee_require_asn (info, pp, &control)) |
| 2541 | return false; |
| 2542 | |
| 2543 | /* FIXME: We should now track down name and change its type. */ |
| 2544 | } |
| 2545 | break; |
| 2546 | |
| 2547 | case 'R': |
| 2548 | if (! ieee_read_reference (info, pp)) |
| 2549 | return false; |
| 2550 | break; |
| 2551 | } |
| 2552 | |
| 2553 | return true; |
| 2554 | } |
| 2555 | |
| 2556 | /* Read a C++ class definition. This is a pmisc type 80 record of |
| 2557 | category 'T'. */ |
| 2558 | |
| 2559 | static boolean |
| 2560 | ieee_read_cxx_class (info, pp, count) |
| 2561 | struct ieee_info *info; |
| 2562 | const bfd_byte **pp; |
| 2563 | unsigned long count; |
| 2564 | { |
| 2565 | const bfd_byte *start; |
| 2566 | bfd_vma class; |
| 2567 | const char *tag; |
| 2568 | unsigned long taglen; |
| 2569 | struct ieee_tag *it; |
| 2570 | PTR dhandle; |
| 2571 | debug_field *fields; |
| 2572 | unsigned int field_count, field_alloc; |
| 2573 | debug_baseclass *baseclasses; |
| 2574 | unsigned int baseclasses_count, baseclasses_alloc; |
| 2575 | const debug_field *structfields; |
| 2576 | struct ieee_method |
| 2577 | { |
| 2578 | const char *name; |
| 2579 | unsigned long namlen; |
| 2580 | debug_method_variant *variants; |
| 2581 | unsigned count; |
| 2582 | unsigned int alloc; |
| 2583 | } *methods; |
| 2584 | unsigned int methods_count, methods_alloc; |
| 2585 | debug_type vptrbase; |
| 2586 | boolean ownvptr; |
| 2587 | debug_method *dmethods; |
| 2588 | |
| 2589 | start = *pp; |
| 2590 | |
| 2591 | if (! ieee_require_asn (info, pp, &class)) |
| 2592 | return false; |
| 2593 | --count; |
| 2594 | |
| 2595 | if (! ieee_require_atn65 (info, pp, &tag, &taglen)) |
| 2596 | return false; |
| 2597 | --count; |
| 2598 | |
| 2599 | /* Find the C struct with this name. */ |
| 2600 | for (it = info->tags; it != NULL; it = it->next) |
| 2601 | if (it->name[0] == tag[0] |
| 2602 | && strncmp (it->name, tag, taglen) == 0 |
| 2603 | && strlen (it->name) == taglen) |
| 2604 | break; |
| 2605 | if (it == NULL) |
| 2606 | { |
| 2607 | ieee_error (info, start, "undefined C++ object"); |
| 2608 | return false; |
| 2609 | } |
| 2610 | |
| 2611 | dhandle = info->dhandle; |
| 2612 | |
| 2613 | fields = NULL; |
| 2614 | field_count = 0; |
| 2615 | field_alloc = 0; |
| 2616 | baseclasses = NULL; |
| 2617 | baseclasses_count = 0; |
| 2618 | baseclasses_alloc = 0; |
| 2619 | methods = NULL; |
| 2620 | methods_count = 0; |
| 2621 | methods_alloc = 0; |
| 2622 | vptrbase = DEBUG_TYPE_NULL; |
| 2623 | ownvptr = false; |
| 2624 | |
| 2625 | structfields = debug_get_fields (dhandle, it->type); |
| 2626 | |
| 2627 | while (count > 0) |
| 2628 | { |
| 2629 | bfd_vma id; |
| 2630 | const bfd_byte *spec_start; |
| 2631 | |
| 2632 | spec_start = *pp; |
| 2633 | |
| 2634 | if (! ieee_require_asn (info, pp, &id)) |
| 2635 | return false; |
| 2636 | --count; |
| 2637 | |
| 2638 | switch (id) |
| 2639 | { |
| 2640 | default: |
| 2641 | ieee_error (info, spec_start, "unrecognized C++ object spec"); |
| 2642 | return false; |
| 2643 | |
| 2644 | case 'b': |
| 2645 | { |
| 2646 | bfd_vma flags, cinline; |
| 2647 | const char *basename, *fieldname; |
| 2648 | unsigned long baselen, fieldlen; |
| 2649 | char *basecopy; |
| 2650 | debug_type basetype; |
| 2651 | bfd_vma bitpos; |
| 2652 | boolean virtualp; |
| 2653 | enum debug_visibility visibility; |
| 2654 | debug_baseclass baseclass; |
| 2655 | |
| 2656 | /* This represents a base or friend class. */ |
| 2657 | |
| 2658 | if (! ieee_require_asn (info, pp, &flags) |
| 2659 | || ! ieee_require_atn65 (info, pp, &basename, &baselen) |
| 2660 | || ! ieee_require_asn (info, pp, &cinline) |
| 2661 | || ! ieee_require_atn65 (info, pp, &fieldname, &fieldlen)) |
| 2662 | return false; |
| 2663 | count -= 4; |
| 2664 | |
| 2665 | /* We have no way of recording friend information, so we |
| 2666 | just ignore it. */ |
| 2667 | if ((flags & BASEFLAGS_FRIEND) != 0) |
| 2668 | break; |
| 2669 | |
| 2670 | /* I assume that either all of the members of the |
| 2671 | baseclass are included in the object, starting at the |
| 2672 | beginning of the object, or that none of them are |
| 2673 | included. */ |
| 2674 | |
| 2675 | if ((fieldlen == 0) == (cinline == 0)) |
| 2676 | { |
| 2677 | ieee_error (info, start, "unsupported C++ object type"); |
| 2678 | return false; |
| 2679 | } |
| 2680 | |
| 2681 | basecopy = savestring (basename, baselen); |
| 2682 | basetype = debug_find_tagged_type (dhandle, basecopy, |
| 2683 | DEBUG_KIND_ILLEGAL); |
| 2684 | free (basecopy); |
| 2685 | if (basetype == DEBUG_TYPE_NULL) |
| 2686 | { |
| 2687 | ieee_error (info, start, "C++ base class not defined"); |
| 2688 | return false; |
| 2689 | } |
| 2690 | |
| 2691 | if (fieldlen == 0) |
| 2692 | bitpos = 0; |
| 2693 | else |
| 2694 | { |
| 2695 | const debug_field *pf; |
| 2696 | |
| 2697 | if (structfields == NULL) |
| 2698 | { |
| 2699 | ieee_error (info, start, "C++ object has no fields"); |
| 2700 | return false; |
| 2701 | } |
| 2702 | |
| 2703 | for (pf = structfields; *pf != DEBUG_FIELD_NULL; pf++) |
| 2704 | { |
| 2705 | const char *fname; |
| 2706 | |
| 2707 | fname = debug_get_field_name (dhandle, *pf); |
| 2708 | if (fname == NULL) |
| 2709 | return false; |
| 2710 | if (fname[0] == fieldname[0] |
| 2711 | && strncmp (fname, fieldname, fieldlen) == 0 |
| 2712 | && strlen (fname) == fieldlen) |
| 2713 | break; |
| 2714 | } |
| 2715 | if (*pf == DEBUG_FIELD_NULL) |
| 2716 | { |
| 2717 | ieee_error (info, start, |
| 2718 | "C++ base class not found in container"); |
| 2719 | return false; |
| 2720 | } |
| 2721 | |
| 2722 | bitpos = debug_get_field_bitpos (dhandle, *pf); |
| 2723 | } |
| 2724 | |
| 2725 | if ((flags & BASEFLAGS_VIRTUAL) != 0) |
| 2726 | virtualp = true; |
| 2727 | else |
| 2728 | virtualp = false; |
| 2729 | if ((flags & BASEFLAGS_PRIVATE) != 0) |
| 2730 | visibility = DEBUG_VISIBILITY_PRIVATE; |
| 2731 | else |
| 2732 | visibility = DEBUG_VISIBILITY_PUBLIC; |
| 2733 | |
| 2734 | baseclass = debug_make_baseclass (dhandle, basetype, bitpos, |
| 2735 | virtualp, visibility); |
| 2736 | if (baseclass == DEBUG_BASECLASS_NULL) |
| 2737 | return false; |
| 2738 | |
| 2739 | if (baseclasses_count + 1 >= baseclasses_alloc) |
| 2740 | { |
| 2741 | baseclasses_alloc += 10; |
| 2742 | baseclasses = ((debug_baseclass *) |
| 2743 | xrealloc (baseclasses, |
| 2744 | (baseclasses_alloc |
| 2745 | * sizeof *baseclasses))); |
| 2746 | } |
| 2747 | |
| 2748 | baseclasses[baseclasses_count] = baseclass; |
| 2749 | ++baseclasses_count; |
| 2750 | baseclasses[baseclasses_count] = DEBUG_BASECLASS_NULL; |
| 2751 | } |
| 2752 | break; |
| 2753 | |
| 2754 | case 'd': |
| 2755 | { |
| 2756 | bfd_vma flags; |
| 2757 | const char *fieldname, *mangledname; |
| 2758 | unsigned long fieldlen, mangledlen; |
| 2759 | char *fieldcopy; |
| 2760 | boolean staticp; |
| 2761 | debug_type ftype; |
| 2762 | const debug_field *pf; |
| 2763 | enum debug_visibility visibility; |
| 2764 | debug_field field; |
| 2765 | |
| 2766 | /* This represents a data member. */ |
| 2767 | |
| 2768 | if (! ieee_require_asn (info, pp, &flags) |
| 2769 | || ! ieee_require_atn65 (info, pp, &fieldname, &fieldlen) |
| 2770 | || ! ieee_require_atn65 (info, pp, &mangledname, &mangledlen)) |
| 2771 | return false; |
| 2772 | count -= 3; |
| 2773 | |
| 2774 | fieldcopy = savestring (fieldname, fieldlen); |
| 2775 | |
| 2776 | staticp = (flags & CXXFLAGS_STATIC) != 0 ? true : false; |
| 2777 | |
| 2778 | if (staticp) |
| 2779 | { |
| 2780 | struct ieee_var *pv, *pvend; |
| 2781 | |
| 2782 | /* See if we can find a definition for this variable. */ |
| 2783 | pv = info->vars.vars; |
| 2784 | pvend = pv + info->vars.alloc; |
| 2785 | for (; pv < pvend; pv++) |
| 2786 | if (pv->namlen == mangledlen |
| 2787 | && strncmp (pv->name, mangledname, mangledlen) == 0) |
| 2788 | break; |
| 2789 | if (pv < pvend) |
| 2790 | ftype = pv->type; |
| 2791 | else |
| 2792 | { |
| 2793 | /* This can happen if the variable is never used. */ |
| 2794 | ftype = ieee_builtin_type (info, start, |
| 2795 | (unsigned int) builtin_void); |
| 2796 | } |
| 2797 | } |
| 2798 | else |
| 2799 | { |
| 2800 | unsigned int findx; |
| 2801 | |
| 2802 | if (structfields == NULL) |
| 2803 | { |
| 2804 | ieee_error (info, start, "C++ object has no fields"); |
| 2805 | return false; |
| 2806 | } |
| 2807 | |
| 2808 | for (pf = structfields, findx = 0; |
| 2809 | *pf != DEBUG_FIELD_NULL; |
| 2810 | pf++, findx++) |
| 2811 | { |
| 2812 | const char *fname; |
| 2813 | |
| 2814 | fname = debug_get_field_name (dhandle, *pf); |
| 2815 | if (fname == NULL) |
| 2816 | return false; |
| 2817 | if (fname[0] == mangledname[0] |
| 2818 | && strncmp (fname, mangledname, mangledlen) == 0 |
| 2819 | && strlen (fname) == mangledlen) |
| 2820 | break; |
| 2821 | } |
| 2822 | if (*pf == DEBUG_FIELD_NULL) |
| 2823 | { |
| 2824 | ieee_error (info, start, |
| 2825 | "C++ data member not found in container"); |
| 2826 | return false; |
| 2827 | } |
| 2828 | |
| 2829 | ftype = debug_get_field_type (dhandle, *pf); |
| 2830 | |
| 2831 | if (debug_get_type_kind (dhandle, ftype) == DEBUG_KIND_POINTER) |
| 2832 | { |
| 2833 | /* We might need to convert this field into a |
| 2834 | reference type later on, so make it an indirect |
| 2835 | type. */ |
| 2836 | if (it->fslots == NULL) |
| 2837 | { |
| 2838 | unsigned int fcnt; |
| 2839 | const debug_field *pfcnt; |
| 2840 | |
| 2841 | fcnt = 0; |
| 2842 | for (pfcnt = structfields; |
| 2843 | *pfcnt != DEBUG_FIELD_NULL; |
| 2844 | pfcnt++) |
| 2845 | ++fcnt; |
| 2846 | it->fslots = ((debug_type *) |
| 2847 | xmalloc (fcnt * sizeof *it->fslots)); |
| 2848 | memset (it->fslots, 0, |
| 2849 | fcnt * sizeof *it->fslots); |
| 2850 | } |
| 2851 | |
| 2852 | if (ftype == DEBUG_TYPE_NULL) |
| 2853 | return false; |
| 2854 | it->fslots[findx] = ftype; |
| 2855 | ftype = debug_make_indirect_type (dhandle, |
| 2856 | it->fslots + findx, |
| 2857 | (const char *) NULL); |
| 2858 | } |
| 2859 | } |
| 2860 | if (ftype == DEBUG_TYPE_NULL) |
| 2861 | return false; |
| 2862 | |
| 2863 | switch (flags & CXXFLAGS_VISIBILITY) |
| 2864 | { |
| 2865 | default: |
| 2866 | ieee_error (info, start, "unknown C++ visibility"); |
| 2867 | return false; |
| 2868 | |
| 2869 | case CXXFLAGS_VISIBILITY_PUBLIC: |
| 2870 | visibility = DEBUG_VISIBILITY_PUBLIC; |
| 2871 | break; |
| 2872 | |
| 2873 | case CXXFLAGS_VISIBILITY_PRIVATE: |
| 2874 | visibility = DEBUG_VISIBILITY_PRIVATE; |
| 2875 | break; |
| 2876 | |
| 2877 | case CXXFLAGS_VISIBILITY_PROTECTED: |
| 2878 | visibility = DEBUG_VISIBILITY_PROTECTED; |
| 2879 | break; |
| 2880 | } |
| 2881 | |
| 2882 | if (staticp) |
| 2883 | { |
| 2884 | char *mangledcopy; |
| 2885 | |
| 2886 | mangledcopy = savestring (mangledname, mangledlen); |
| 2887 | |
| 2888 | field = debug_make_static_member (dhandle, fieldcopy, |
| 2889 | ftype, mangledcopy, |
| 2890 | visibility); |
| 2891 | } |
| 2892 | else |
| 2893 | { |
| 2894 | bfd_vma bitpos, bitsize; |
| 2895 | |
| 2896 | bitpos = debug_get_field_bitpos (dhandle, *pf); |
| 2897 | bitsize = debug_get_field_bitsize (dhandle, *pf); |
| 2898 | if (bitpos == (bfd_vma) -1 || bitsize == (bfd_vma) -1) |
| 2899 | { |
| 2900 | ieee_error (info, start, "bad C++ field bit pos or size"); |
| 2901 | return false; |
| 2902 | } |
| 2903 | field = debug_make_field (dhandle, fieldcopy, ftype, bitpos, |
| 2904 | bitsize, visibility); |
| 2905 | } |
| 2906 | |
| 2907 | if (field == DEBUG_FIELD_NULL) |
| 2908 | return false; |
| 2909 | |
| 2910 | if (field_count + 1 >= field_alloc) |
| 2911 | { |
| 2912 | field_alloc += 10; |
| 2913 | fields = ((debug_field *) |
| 2914 | xrealloc (fields, field_alloc * sizeof *fields)); |
| 2915 | } |
| 2916 | |
| 2917 | fields[field_count] = field; |
| 2918 | ++field_count; |
| 2919 | fields[field_count] = DEBUG_FIELD_NULL; |
| 2920 | } |
| 2921 | break; |
| 2922 | |
| 2923 | case 'm': |
| 2924 | case 'v': |
| 2925 | { |
| 2926 | bfd_vma flags, voffset, control; |
| 2927 | const char *name, *mangled; |
| 2928 | unsigned long namlen, mangledlen; |
| 2929 | struct ieee_var *pv, *pvend; |
| 2930 | debug_type type; |
| 2931 | enum debug_visibility visibility; |
| 2932 | boolean constp, volatilep; |
| 2933 | char *mangledcopy; |
| 2934 | debug_method_variant mv; |
| 2935 | struct ieee_method *meth; |
| 2936 | unsigned int im; |
| 2937 | |
| 2938 | if (! ieee_require_asn (info, pp, &flags) |
| 2939 | || ! ieee_require_atn65 (info, pp, &name, &namlen) |
| 2940 | || ! ieee_require_atn65 (info, pp, &mangled, &mangledlen)) |
| 2941 | return false; |
| 2942 | count -= 3; |
| 2943 | if (id != 'v') |
| 2944 | voffset = 0; |
| 2945 | else |
| 2946 | { |
| 2947 | if (! ieee_require_asn (info, pp, &voffset)) |
| 2948 | return false; |
| 2949 | --count; |
| 2950 | } |
| 2951 | if (! ieee_require_asn (info, pp, &control)) |
| 2952 | return false; |
| 2953 | --count; |
| 2954 | |
| 2955 | /* We just ignore the control information. */ |
| 2956 | |
| 2957 | /* We have no way to represent friend information, so we |
| 2958 | just ignore it. */ |
| 2959 | if ((flags & CXXFLAGS_FRIEND) != 0) |
| 2960 | break; |
| 2961 | |
| 2962 | /* We should already have seen a type for the function. */ |
| 2963 | pv = info->vars.vars; |
| 2964 | pvend = pv + info->vars.alloc; |
| 2965 | for (; pv < pvend; pv++) |
| 2966 | if (pv->namlen == mangledlen |
| 2967 | && strncmp (pv->name, mangled, mangledlen) == 0) |
| 2968 | break; |
| 2969 | |
| 2970 | if (pv >= pvend) |
| 2971 | { |
| 2972 | /* We won't have type information for this function if |
| 2973 | it is not included in this file. We don't try to |
| 2974 | handle this case. FIXME. */ |
| 2975 | type = (debug_make_function_type |
| 2976 | (dhandle, |
| 2977 | ieee_builtin_type (info, start, |
| 2978 | (unsigned int) builtin_void), |
| 2979 | (debug_type *) NULL, |
| 2980 | false)); |
| 2981 | } |
| 2982 | else |
| 2983 | { |
| 2984 | debug_type return_type; |
| 2985 | const debug_type *arg_types; |
| 2986 | boolean varargs; |
| 2987 | |
| 2988 | if (debug_get_type_kind (dhandle, pv->type) |
| 2989 | != DEBUG_KIND_FUNCTION) |
| 2990 | { |
| 2991 | ieee_error (info, start, |
| 2992 | "bad type for C++ method function"); |
| 2993 | return false; |
| 2994 | } |
| 2995 | |
| 2996 | return_type = debug_get_return_type (dhandle, pv->type); |
| 2997 | arg_types = debug_get_parameter_types (dhandle, pv->type, |
| 2998 | &varargs); |
| 2999 | if (return_type == DEBUG_TYPE_NULL || arg_types == NULL) |
| 3000 | { |
| 3001 | ieee_error (info, start, |
| 3002 | "no type information for C++ method function"); |
| 3003 | return false; |
| 3004 | } |
| 3005 | |
| 3006 | type = debug_make_method_type (dhandle, return_type, it->type, |
| 3007 | (debug_type *) arg_types, |
| 3008 | varargs); |
| 3009 | } |
| 3010 | if (type == DEBUG_TYPE_NULL) |
| 3011 | return false; |
| 3012 | |
| 3013 | switch (flags & CXXFLAGS_VISIBILITY) |
| 3014 | { |
| 3015 | default: |
| 3016 | ieee_error (info, start, "unknown C++ visibility"); |
| 3017 | return false; |
| 3018 | |
| 3019 | case CXXFLAGS_VISIBILITY_PUBLIC: |
| 3020 | visibility = DEBUG_VISIBILITY_PUBLIC; |
| 3021 | break; |
| 3022 | |
| 3023 | case CXXFLAGS_VISIBILITY_PRIVATE: |
| 3024 | visibility = DEBUG_VISIBILITY_PRIVATE; |
| 3025 | break; |
| 3026 | |
| 3027 | case CXXFLAGS_VISIBILITY_PROTECTED: |
| 3028 | visibility = DEBUG_VISIBILITY_PROTECTED; |
| 3029 | break; |
| 3030 | } |
| 3031 | |
| 3032 | constp = (flags & CXXFLAGS_CONST) != 0 ? true : false; |
| 3033 | volatilep = (flags & CXXFLAGS_VOLATILE) != 0 ? true : false; |
| 3034 | |
| 3035 | mangledcopy = savestring (mangled, mangledlen); |
| 3036 | |
| 3037 | if ((flags & CXXFLAGS_STATIC) != 0) |
| 3038 | { |
| 3039 | if (id == 'v') |
| 3040 | { |
| 3041 | ieee_error (info, start, "C++ static virtual method"); |
| 3042 | return false; |
| 3043 | } |
| 3044 | mv = debug_make_static_method_variant (dhandle, mangledcopy, |
| 3045 | type, visibility, |
| 3046 | constp, volatilep); |
| 3047 | } |
| 3048 | else |
| 3049 | { |
| 3050 | debug_type vcontext; |
| 3051 | |
| 3052 | if (id != 'v') |
| 3053 | vcontext = DEBUG_TYPE_NULL; |
| 3054 | else |
| 3055 | { |
| 3056 | /* FIXME: How can we calculate this correctly? */ |
| 3057 | vcontext = it->type; |
| 3058 | } |
| 3059 | mv = debug_make_method_variant (dhandle, mangledcopy, type, |
| 3060 | visibility, constp, |
| 3061 | volatilep, voffset, |
| 3062 | vcontext); |
| 3063 | } |
| 3064 | if (mv == DEBUG_METHOD_VARIANT_NULL) |
| 3065 | return false; |
| 3066 | |
| 3067 | for (meth = methods, im = 0; im < methods_count; meth++, im++) |
| 3068 | if (meth->namlen == namlen |
| 3069 | && strncmp (meth->name, name, namlen) == 0) |
| 3070 | break; |
| 3071 | if (im >= methods_count) |
| 3072 | { |
| 3073 | if (methods_count >= methods_alloc) |
| 3074 | { |
| 3075 | methods_alloc += 10; |
| 3076 | methods = ((struct ieee_method *) |
| 3077 | xrealloc (methods, |
| 3078 | methods_alloc * sizeof *methods)); |
| 3079 | } |
| 3080 | methods[methods_count].name = name; |
| 3081 | methods[methods_count].namlen = namlen; |
| 3082 | methods[methods_count].variants = NULL; |
| 3083 | methods[methods_count].count = 0; |
| 3084 | methods[methods_count].alloc = 0; |
| 3085 | meth = methods + methods_count; |
| 3086 | ++methods_count; |
| 3087 | } |
| 3088 | |
| 3089 | if (meth->count + 1 >= meth->alloc) |
| 3090 | { |
| 3091 | meth->alloc += 10; |
| 3092 | meth->variants = ((debug_method_variant *) |
| 3093 | xrealloc (meth->variants, |
| 3094 | (meth->alloc |
| 3095 | * sizeof *meth->variants))); |
| 3096 | } |
| 3097 | |
| 3098 | meth->variants[meth->count] = mv; |
| 3099 | ++meth->count; |
| 3100 | meth->variants[meth->count] = DEBUG_METHOD_VARIANT_NULL; |
| 3101 | } |
| 3102 | break; |
| 3103 | |
| 3104 | case 'o': |
| 3105 | { |
| 3106 | bfd_vma spec; |
| 3107 | |
| 3108 | /* We have no way to store this information, so we just |
| 3109 | ignore it. */ |
| 3110 | if (! ieee_require_asn (info, pp, &spec)) |
| 3111 | return false; |
| 3112 | --count; |
| 3113 | if ((spec & 4) != 0) |
| 3114 | { |
| 3115 | const char *filename; |
| 3116 | unsigned long filenamlen; |
| 3117 | bfd_vma lineno; |
| 3118 | |
| 3119 | if (! ieee_require_atn65 (info, pp, &filename, &filenamlen) |
| 3120 | || ! ieee_require_asn (info, pp, &lineno)) |
| 3121 | return false; |
| 3122 | count -= 2; |
| 3123 | } |
| 3124 | else if ((spec & 8) != 0) |
| 3125 | { |
| 3126 | const char *mangled; |
| 3127 | unsigned long mangledlen; |
| 3128 | |
| 3129 | if (! ieee_require_atn65 (info, pp, &mangled, &mangledlen)) |
| 3130 | return false; |
| 3131 | --count; |
| 3132 | } |
| 3133 | else |
| 3134 | { |
| 3135 | ieee_error (info, start, |
| 3136 | "unrecognized C++ object overhead spec"); |
| 3137 | return false; |
| 3138 | } |
| 3139 | } |
| 3140 | break; |
| 3141 | |
| 3142 | case 'z': |
| 3143 | { |
| 3144 | const char *vname, *basename; |
| 3145 | unsigned long vnamelen, baselen; |
| 3146 | bfd_vma vsize, control; |
| 3147 | |
| 3148 | /* A virtual table pointer. */ |
| 3149 | |
| 3150 | if (! ieee_require_atn65 (info, pp, &vname, &vnamelen) |
| 3151 | || ! ieee_require_asn (info, pp, &vsize) |
| 3152 | || ! ieee_require_atn65 (info, pp, &basename, &baselen) |
| 3153 | || ! ieee_require_asn (info, pp, &control)) |
| 3154 | return false; |
| 3155 | count -= 4; |
| 3156 | |
| 3157 | /* We just ignore the control number. We don't care what |
| 3158 | the virtual table name is. We have no way to store the |
| 3159 | virtual table size, and I don't think we care anyhow. */ |
| 3160 | |
| 3161 | /* FIXME: We can't handle multiple virtual table pointers. */ |
| 3162 | |
| 3163 | if (baselen == 0) |
| 3164 | ownvptr = true; |
| 3165 | else |
| 3166 | { |
| 3167 | char *basecopy; |
| 3168 | |
| 3169 | basecopy = savestring (basename, baselen); |
| 3170 | vptrbase = debug_find_tagged_type (dhandle, basecopy, |
| 3171 | DEBUG_KIND_ILLEGAL); |
| 3172 | free (basecopy); |
| 3173 | if (vptrbase == DEBUG_TYPE_NULL) |
| 3174 | { |
| 3175 | ieee_error (info, start, "undefined C++ vtable"); |
| 3176 | return false; |
| 3177 | } |
| 3178 | } |
| 3179 | } |
| 3180 | break; |
| 3181 | } |
| 3182 | } |
| 3183 | |
| 3184 | /* Now that we have seen all the method variants, we can call |
| 3185 | debug_make_method for each one. */ |
| 3186 | |
| 3187 | if (methods_count == 0) |
| 3188 | dmethods = NULL; |
| 3189 | else |
| 3190 | { |
| 3191 | unsigned int i; |
| 3192 | |
| 3193 | dmethods = ((debug_method *) |
| 3194 | xmalloc ((methods_count + 1) * sizeof *dmethods)); |
| 3195 | for (i = 0; i < methods_count; i++) |
| 3196 | { |
| 3197 | char *namcopy; |
| 3198 | |
| 3199 | namcopy = savestring (methods[i].name, methods[i].namlen); |
| 3200 | dmethods[i] = debug_make_method (dhandle, namcopy, |
| 3201 | methods[i].variants); |
| 3202 | if (dmethods[i] == DEBUG_METHOD_NULL) |
| 3203 | return false; |
| 3204 | } |
| 3205 | dmethods[i] = DEBUG_METHOD_NULL; |
| 3206 | free (methods); |
| 3207 | } |
| 3208 | |
| 3209 | /* The struct type was created as an indirect type pointing at |
| 3210 | it->slot. We update it->slot to automatically update all |
| 3211 | references to this struct. */ |
| 3212 | it->slot = debug_make_object_type (dhandle, |
| 3213 | class != 'u', |
| 3214 | debug_get_type_size (dhandle, |
| 3215 | it->slot), |
| 3216 | fields, baseclasses, dmethods, |
| 3217 | vptrbase, ownvptr); |
| 3218 | if (it->slot == DEBUG_TYPE_NULL) |
| 3219 | return false; |
| 3220 | |
| 3221 | return true; |
| 3222 | } |
| 3223 | |
| 3224 | /* Read C++ default argument value and reference type information. */ |
| 3225 | |
| 3226 | static boolean |
| 3227 | ieee_read_cxx_defaults (info, pp, count) |
| 3228 | struct ieee_info *info; |
| 3229 | const bfd_byte **pp; |
| 3230 | unsigned long count; |
| 3231 | { |
| 3232 | const bfd_byte *start; |
| 3233 | const char *fnname; |
| 3234 | unsigned long fnlen; |
| 3235 | bfd_vma defcount; |
| 3236 | |
| 3237 | start = *pp; |
| 3238 | |
| 3239 | /* Giving the function name before the argument count is an addendum |
| 3240 | to the spec. The function name is demangled, though, so this |
| 3241 | record must always refer to the current function. */ |
| 3242 | |
| 3243 | if (info->blockstack.bsp <= info->blockstack.stack |
| 3244 | || info->blockstack.bsp[-1].fnindx == (unsigned int) -1) |
| 3245 | { |
| 3246 | ieee_error (info, start, "C++ default values not in a function"); |
| 3247 | return false; |
| 3248 | } |
| 3249 | |
| 3250 | if (! ieee_require_atn65 (info, pp, &fnname, &fnlen) |
| 3251 | || ! ieee_require_asn (info, pp, &defcount)) |
| 3252 | return false; |
| 3253 | count -= 2; |
| 3254 | |
| 3255 | while (defcount-- > 0) |
| 3256 | { |
| 3257 | bfd_vma type, val; |
| 3258 | const char *strval; |
| 3259 | unsigned long strvallen; |
| 3260 | |
| 3261 | if (! ieee_require_asn (info, pp, &type)) |
| 3262 | return false; |
| 3263 | --count; |
| 3264 | |
| 3265 | switch (type) |
| 3266 | { |
| 3267 | case 0: |
| 3268 | case 4: |
| 3269 | break; |
| 3270 | |
| 3271 | case 1: |
| 3272 | case 2: |
| 3273 | if (! ieee_require_asn (info, pp, &val)) |
| 3274 | return false; |
| 3275 | --count; |
| 3276 | break; |
| 3277 | |
| 3278 | case 3: |
| 3279 | case 7: |
| 3280 | if (! ieee_require_atn65 (info, pp, &strval, &strvallen)) |
| 3281 | return false; |
| 3282 | --count; |
| 3283 | break; |
| 3284 | |
| 3285 | default: |
| 3286 | ieee_error (info, start, "unrecognized C++ default type"); |
| 3287 | return false; |
| 3288 | } |
| 3289 | |
| 3290 | /* We have no way to record the default argument values, so we |
| 3291 | just ignore them. FIXME. */ |
| 3292 | } |
| 3293 | |
| 3294 | /* Any remaining arguments are indices of parameters that are really |
| 3295 | reference type. */ |
| 3296 | if (count > 0) |
| 3297 | { |
| 3298 | PTR dhandle; |
| 3299 | debug_type *arg_slots; |
| 3300 | |
| 3301 | dhandle = info->dhandle; |
| 3302 | arg_slots = info->types.types[info->blockstack.bsp[-1].fnindx].arg_slots; |
| 3303 | while (count-- > 0) |
| 3304 | { |
| 3305 | bfd_vma indx; |
| 3306 | debug_type target; |
| 3307 | |
| 3308 | if (! ieee_require_asn (info, pp, &indx)) |
| 3309 | return false; |
| 3310 | /* The index is 1 based. */ |
| 3311 | --indx; |
| 3312 | if (arg_slots == NULL |
| 3313 | || arg_slots[indx] == DEBUG_TYPE_NULL |
| 3314 | || (debug_get_type_kind (dhandle, arg_slots[indx]) |
| 3315 | != DEBUG_KIND_POINTER)) |
| 3316 | { |
| 3317 | ieee_error (info, start, "reference parameter is not a pointer"); |
| 3318 | return false; |
| 3319 | } |
| 3320 | |
| 3321 | target = debug_get_target_type (dhandle, arg_slots[indx]); |
| 3322 | arg_slots[indx] = debug_make_reference_type (dhandle, target); |
| 3323 | if (arg_slots[indx] == DEBUG_TYPE_NULL) |
| 3324 | return false; |
| 3325 | } |
| 3326 | } |
| 3327 | |
| 3328 | return true; |
| 3329 | } |
| 3330 | |
| 3331 | /* Read a C++ reference definition. */ |
| 3332 | |
| 3333 | static boolean |
| 3334 | ieee_read_reference (info, pp) |
| 3335 | struct ieee_info *info; |
| 3336 | const bfd_byte **pp; |
| 3337 | { |
| 3338 | const bfd_byte *start; |
| 3339 | bfd_vma flags; |
| 3340 | const char *class, *name; |
| 3341 | unsigned long classlen, namlen; |
| 3342 | debug_type *pslot; |
| 3343 | debug_type target; |
| 3344 | |
| 3345 | start = *pp; |
| 3346 | |
| 3347 | if (! ieee_require_asn (info, pp, &flags)) |
| 3348 | return false; |
| 3349 | |
| 3350 | /* Giving the class name before the member name is in an addendum to |
| 3351 | the spec. */ |
| 3352 | if (flags == 3) |
| 3353 | { |
| 3354 | if (! ieee_require_atn65 (info, pp, &class, &classlen)) |
| 3355 | return false; |
| 3356 | } |
| 3357 | |
| 3358 | if (! ieee_require_atn65 (info, pp, &name, &namlen)) |
| 3359 | return false; |
| 3360 | |
| 3361 | pslot = NULL; |
| 3362 | if (flags != 3) |
| 3363 | { |
| 3364 | int pass; |
| 3365 | |
| 3366 | /* We search from the last variable indices to the first in |
| 3367 | hopes of finding local variables correctly. We search the |
| 3368 | local variables on the first pass, and the global variables |
| 3369 | on the second. FIXME: This probably won't work in all cases. |
| 3370 | On the other hand, I don't know what will. */ |
| 3371 | for (pass = 0; pass < 2; pass++) |
| 3372 | { |
| 3373 | struct ieee_vars *vars; |
| 3374 | int i; |
| 3375 | struct ieee_var *pv = NULL; |
| 3376 | |
| 3377 | if (pass == 0) |
| 3378 | vars = &info->vars; |
| 3379 | else |
| 3380 | { |
| 3381 | vars = info->global_vars; |
| 3382 | if (vars == NULL) |
| 3383 | break; |
| 3384 | } |
| 3385 | |
| 3386 | for (i = (int) vars->alloc - 1; i >= 0; i--) |
| 3387 | { |
| 3388 | boolean found; |
| 3389 | |
| 3390 | pv = vars->vars + i; |
| 3391 | |
| 3392 | if (pv->pslot == NULL |
| 3393 | || pv->namlen != namlen |
| 3394 | || strncmp (pv->name, name, namlen) != 0) |
| 3395 | continue; |
| 3396 | |
| 3397 | found = false; |
| 3398 | switch (flags) |
| 3399 | { |
| 3400 | default: |
| 3401 | ieee_error (info, start, |
| 3402 | "unrecognized C++ reference type"); |
| 3403 | return false; |
| 3404 | |
| 3405 | case 0: |
| 3406 | /* Global variable or function. */ |
| 3407 | if (pv->kind == IEEE_GLOBAL |
| 3408 | || pv->kind == IEEE_EXTERNAL |
| 3409 | || pv->kind == IEEE_FUNCTION) |
| 3410 | found = true; |
| 3411 | break; |
| 3412 | |
| 3413 | case 1: |
| 3414 | /* Global static variable or function. */ |
| 3415 | if (pv->kind == IEEE_STATIC |
| 3416 | || pv->kind == IEEE_FUNCTION) |
| 3417 | found = true; |
| 3418 | break; |
| 3419 | |
| 3420 | case 2: |
| 3421 | /* Local variable. */ |
| 3422 | if (pv->kind == IEEE_LOCAL) |
| 3423 | found = true; |
| 3424 | break; |
| 3425 | } |
| 3426 | |
| 3427 | if (found) |
| 3428 | break; |
| 3429 | } |
| 3430 | |
| 3431 | if (i >= 0) |
| 3432 | { |
| 3433 | pslot = pv->pslot; |
| 3434 | break; |
| 3435 | } |
| 3436 | } |
| 3437 | } |
| 3438 | else |
| 3439 | { |
| 3440 | struct ieee_tag *it; |
| 3441 | |
| 3442 | for (it = info->tags; it != NULL; it = it->next) |
| 3443 | { |
| 3444 | if (it->name[0] == class[0] |
| 3445 | && strncmp (it->name, class, classlen) == 0 |
| 3446 | && strlen (it->name) == classlen) |
| 3447 | { |
| 3448 | if (it->fslots != NULL) |
| 3449 | { |
| 3450 | const debug_field *pf; |
| 3451 | unsigned int findx; |
| 3452 | |
| 3453 | pf = debug_get_fields (info->dhandle, it->type); |
| 3454 | if (pf == NULL) |
| 3455 | { |
| 3456 | ieee_error (info, start, |
| 3457 | "C++ reference in class with no fields"); |
| 3458 | return false; |
| 3459 | } |
| 3460 | |
| 3461 | for (findx = 0; *pf != DEBUG_FIELD_NULL; pf++, findx++) |
| 3462 | { |
| 3463 | const char *fname; |
| 3464 | |
| 3465 | fname = debug_get_field_name (info->dhandle, *pf); |
| 3466 | if (fname == NULL) |
| 3467 | return false; |
| 3468 | if (strncmp (fname, name, namlen) == 0 |
| 3469 | && strlen (fname) == namlen) |
| 3470 | { |
| 3471 | pslot = it->fslots + findx; |
| 3472 | break; |
| 3473 | } |
| 3474 | } |
| 3475 | } |
| 3476 | |
| 3477 | break; |
| 3478 | } |
| 3479 | } |
| 3480 | } |
| 3481 | |
| 3482 | if (pslot == NULL) |
| 3483 | { |
| 3484 | ieee_error (info, start, "C++ reference not found"); |
| 3485 | return false; |
| 3486 | } |
| 3487 | |
| 3488 | /* We allocated the type of the object as an indirect type pointing |
| 3489 | to *pslot, which we can now update to be a reference type. */ |
| 3490 | if (debug_get_type_kind (info->dhandle, *pslot) != DEBUG_KIND_POINTER) |
| 3491 | { |
| 3492 | ieee_error (info, start, "C++ reference is not pointer"); |
| 3493 | return false; |
| 3494 | } |
| 3495 | |
| 3496 | target = debug_get_target_type (info->dhandle, *pslot); |
| 3497 | *pslot = debug_make_reference_type (info->dhandle, target); |
| 3498 | if (*pslot == DEBUG_TYPE_NULL) |
| 3499 | return false; |
| 3500 | |
| 3501 | return true; |
| 3502 | } |
| 3503 | |
| 3504 | /* Require an ASN record. */ |
| 3505 | |
| 3506 | static boolean |
| 3507 | ieee_require_asn (info, pp, pv) |
| 3508 | struct ieee_info *info; |
| 3509 | const bfd_byte **pp; |
| 3510 | bfd_vma *pv; |
| 3511 | { |
| 3512 | const bfd_byte *start; |
| 3513 | ieee_record_enum_type c; |
| 3514 | bfd_vma varindx; |
| 3515 | |
| 3516 | start = *pp; |
| 3517 | |
| 3518 | c = (ieee_record_enum_type) **pp; |
| 3519 | if (c != ieee_e2_first_byte_enum) |
| 3520 | { |
| 3521 | ieee_error (info, start, "missing required ASN"); |
| 3522 | return false; |
| 3523 | } |
| 3524 | ++*pp; |
| 3525 | |
| 3526 | c = (ieee_record_enum_type) (((unsigned int) c << 8) | **pp); |
| 3527 | if (c != ieee_asn_record_enum) |
| 3528 | { |
| 3529 | ieee_error (info, start, "missing required ASN"); |
| 3530 | return false; |
| 3531 | } |
| 3532 | ++*pp; |
| 3533 | |
| 3534 | /* Just ignore the variable index. */ |
| 3535 | if (! ieee_read_number (info, pp, &varindx)) |
| 3536 | return false; |
| 3537 | |
| 3538 | return ieee_read_expression (info, pp, pv); |
| 3539 | } |
| 3540 | |
| 3541 | /* Require an ATN65 record. */ |
| 3542 | |
| 3543 | static boolean |
| 3544 | ieee_require_atn65 (info, pp, pname, pnamlen) |
| 3545 | struct ieee_info *info; |
| 3546 | const bfd_byte **pp; |
| 3547 | const char **pname; |
| 3548 | unsigned long *pnamlen; |
| 3549 | { |
| 3550 | const bfd_byte *start; |
| 3551 | ieee_record_enum_type c; |
| 3552 | bfd_vma name_indx, type_indx, atn_code; |
| 3553 | |
| 3554 | start = *pp; |
| 3555 | |
| 3556 | c = (ieee_record_enum_type) **pp; |
| 3557 | if (c != ieee_at_record_enum) |
| 3558 | { |
| 3559 | ieee_error (info, start, "missing required ATN65"); |
| 3560 | return false; |
| 3561 | } |
| 3562 | ++*pp; |
| 3563 | |
| 3564 | c = (ieee_record_enum_type) (((unsigned int) c << 8) | **pp); |
| 3565 | if (c != ieee_atn_record_enum) |
| 3566 | { |
| 3567 | ieee_error (info, start, "missing required ATN65"); |
| 3568 | return false; |
| 3569 | } |
| 3570 | ++*pp; |
| 3571 | |
| 3572 | if (! ieee_read_number (info, pp, &name_indx) |
| 3573 | || ! ieee_read_number (info, pp, &type_indx) |
| 3574 | || ! ieee_read_number (info, pp, &atn_code)) |
| 3575 | return false; |
| 3576 | |
| 3577 | /* Just ignore name_indx. */ |
| 3578 | |
| 3579 | if (type_indx != 0 || atn_code != 65) |
| 3580 | { |
| 3581 | ieee_error (info, start, "bad ATN65 record"); |
| 3582 | return false; |
| 3583 | } |
| 3584 | |
| 3585 | return ieee_read_id (info, pp, pname, pnamlen); |
| 3586 | } |
| 3587 | \f |
| 3588 | /* Convert a register number in IEEE debugging information into a |
| 3589 | generic register number. */ |
| 3590 | |
| 3591 | static int |
| 3592 | ieee_regno_to_genreg (abfd, r) |
| 3593 | bfd *abfd; |
| 3594 | int r; |
| 3595 | { |
| 3596 | switch (bfd_get_arch (abfd)) |
| 3597 | { |
| 3598 | case bfd_arch_m68k: |
| 3599 | /* For some reasons stabs adds 2 to the floating point register |
| 3600 | numbers. */ |
| 3601 | if (r >= 16) |
| 3602 | r += 2; |
| 3603 | break; |
| 3604 | |
| 3605 | case bfd_arch_i960: |
| 3606 | /* Stabs uses 0 to 15 for r0 to r15, 16 to 31 for g0 to g15, and |
| 3607 | 32 to 35 for fp0 to fp3. */ |
| 3608 | --r; |
| 3609 | break; |
| 3610 | |
| 3611 | default: |
| 3612 | break; |
| 3613 | } |
| 3614 | |
| 3615 | return r; |
| 3616 | } |
| 3617 | |
| 3618 | /* Convert a generic register number to an IEEE specific one. */ |
| 3619 | |
| 3620 | static int |
| 3621 | ieee_genreg_to_regno (abfd, r) |
| 3622 | bfd *abfd; |
| 3623 | int r; |
| 3624 | { |
| 3625 | switch (bfd_get_arch (abfd)) |
| 3626 | { |
| 3627 | case bfd_arch_m68k: |
| 3628 | /* For some reason stabs add 2 to the floating point register |
| 3629 | numbers. */ |
| 3630 | if (r >= 18) |
| 3631 | r -= 2; |
| 3632 | break; |
| 3633 | |
| 3634 | case bfd_arch_i960: |
| 3635 | /* Stabs uses 0 to 15 for r0 to r15, 16 to 31 for g0 to g15, and |
| 3636 | 32 to 35 for fp0 to fp3. */ |
| 3637 | ++r; |
| 3638 | break; |
| 3639 | |
| 3640 | default: |
| 3641 | break; |
| 3642 | } |
| 3643 | |
| 3644 | return r; |
| 3645 | } |
| 3646 | \f |
| 3647 | /* These routines build IEEE debugging information out of the generic |
| 3648 | debugging information. */ |
| 3649 | |
| 3650 | /* We build the IEEE debugging information byte by byte. Rather than |
| 3651 | waste time copying data around, we use a linked list of buffers to |
| 3652 | hold the data. */ |
| 3653 | |
| 3654 | #define IEEE_BUFSIZE (490) |
| 3655 | |
| 3656 | struct ieee_buf |
| 3657 | { |
| 3658 | /* Next buffer. */ |
| 3659 | struct ieee_buf *next; |
| 3660 | /* Number of data bytes in this buffer. */ |
| 3661 | unsigned int c; |
| 3662 | /* Bytes. */ |
| 3663 | bfd_byte buf[IEEE_BUFSIZE]; |
| 3664 | }; |
| 3665 | |
| 3666 | /* A list of buffers. */ |
| 3667 | |
| 3668 | struct ieee_buflist |
| 3669 | { |
| 3670 | /* Head of list. */ |
| 3671 | struct ieee_buf *head; |
| 3672 | /* Tail--last buffer on list. */ |
| 3673 | struct ieee_buf *tail; |
| 3674 | }; |
| 3675 | |
| 3676 | /* In order to generate the BB11 blocks required by the HP emulator, |
| 3677 | we keep track of ranges of addresses which correspond to a given |
| 3678 | compilation unit. */ |
| 3679 | |
| 3680 | struct ieee_range |
| 3681 | { |
| 3682 | /* Next range. */ |
| 3683 | struct ieee_range *next; |
| 3684 | /* Low address. */ |
| 3685 | bfd_vma low; |
| 3686 | /* High address. */ |
| 3687 | bfd_vma high; |
| 3688 | }; |
| 3689 | |
| 3690 | /* This structure holds information for a class on the type stack. */ |
| 3691 | |
| 3692 | struct ieee_type_class |
| 3693 | { |
| 3694 | /* The name index in the debugging information. */ |
| 3695 | unsigned int indx; |
| 3696 | /* The pmisc records for the class. */ |
| 3697 | struct ieee_buflist pmiscbuf; |
| 3698 | /* The number of pmisc records. */ |
| 3699 | unsigned int pmisccount; |
| 3700 | /* The name of the class holding the virtual table, if not this |
| 3701 | class. */ |
| 3702 | const char *vclass; |
| 3703 | /* Whether this class holds its own virtual table. */ |
| 3704 | boolean ownvptr; |
| 3705 | /* The largest virtual table offset seen so far. */ |
| 3706 | bfd_vma voffset; |
| 3707 | /* The current method. */ |
| 3708 | const char *method; |
| 3709 | /* Additional pmisc records used to record fields of reference type. */ |
| 3710 | struct ieee_buflist refs; |
| 3711 | }; |
| 3712 | |
| 3713 | /* This is how we store types for the writing routines. Most types |
| 3714 | are simply represented by a type index. */ |
| 3715 | |
| 3716 | struct ieee_write_type |
| 3717 | { |
| 3718 | /* Type index. */ |
| 3719 | unsigned int indx; |
| 3720 | /* The size of the type, if known. */ |
| 3721 | unsigned int size; |
| 3722 | /* The name of the type, if any. */ |
| 3723 | const char *name; |
| 3724 | /* If this is a function or method type, we build the type here, and |
| 3725 | only add it to the output buffers if we need it. */ |
| 3726 | struct ieee_buflist fndef; |
| 3727 | /* If this is a struct, this is where the struct definition is |
| 3728 | built. */ |
| 3729 | struct ieee_buflist strdef; |
| 3730 | /* If this is a class, this is where the class information is built. */ |
| 3731 | struct ieee_type_class *classdef; |
| 3732 | /* Whether the type is unsigned. */ |
| 3733 | unsigned int unsignedp : 1; |
| 3734 | /* Whether this is a reference type. */ |
| 3735 | unsigned int referencep : 1; |
| 3736 | /* Whether this is in the local type block. */ |
| 3737 | unsigned int localp : 1; |
| 3738 | /* Whether this is a duplicate struct definition which we are |
| 3739 | ignoring. */ |
| 3740 | unsigned int ignorep : 1; |
| 3741 | }; |
| 3742 | |
| 3743 | /* This is the type stack used by the debug writing routines. FIXME: |
| 3744 | We could generate more efficient output if we remembered when we |
| 3745 | have output a particular type before. */ |
| 3746 | |
| 3747 | struct ieee_type_stack |
| 3748 | { |
| 3749 | /* Next entry on stack. */ |
| 3750 | struct ieee_type_stack *next; |
| 3751 | /* Type information. */ |
| 3752 | struct ieee_write_type type; |
| 3753 | }; |
| 3754 | |
| 3755 | /* This is a list of associations between a name and some types. |
| 3756 | These are used for typedefs and tags. */ |
| 3757 | |
| 3758 | struct ieee_name_type |
| 3759 | { |
| 3760 | /* Next type for this name. */ |
| 3761 | struct ieee_name_type *next; |
| 3762 | /* ID number. For a typedef, this is the index of the type to which |
| 3763 | this name is typedefed. */ |
| 3764 | unsigned int id; |
| 3765 | /* Type. */ |
| 3766 | struct ieee_write_type type; |
| 3767 | /* If this is a tag which has not yet been defined, this is the |
| 3768 | kind. If the tag has been defined, this is DEBUG_KIND_ILLEGAL. */ |
| 3769 | enum debug_type_kind kind; |
| 3770 | }; |
| 3771 | |
| 3772 | /* We use a hash table to associate names and types. */ |
| 3773 | |
| 3774 | struct ieee_name_type_hash_table |
| 3775 | { |
| 3776 | struct bfd_hash_table root; |
| 3777 | }; |
| 3778 | |
| 3779 | struct ieee_name_type_hash_entry |
| 3780 | { |
| 3781 | struct bfd_hash_entry root; |
| 3782 | /* Information for this name. */ |
| 3783 | struct ieee_name_type *types; |
| 3784 | }; |
| 3785 | |
| 3786 | /* This is a list of enums. */ |
| 3787 | |
| 3788 | struct ieee_defined_enum |
| 3789 | { |
| 3790 | /* Next enum. */ |
| 3791 | struct ieee_defined_enum *next; |
| 3792 | /* Type index. */ |
| 3793 | unsigned int indx; |
| 3794 | /* Whether this enum has been defined. */ |
| 3795 | boolean defined; |
| 3796 | /* Tag. */ |
| 3797 | const char *tag; |
| 3798 | /* Names. */ |
| 3799 | const char **names; |
| 3800 | /* Values. */ |
| 3801 | bfd_signed_vma *vals; |
| 3802 | }; |
| 3803 | |
| 3804 | /* We keep a list of modified versions of types, so that we don't |
| 3805 | output them more than once. */ |
| 3806 | |
| 3807 | struct ieee_modified_type |
| 3808 | { |
| 3809 | /* Pointer to this type. */ |
| 3810 | unsigned int pointer; |
| 3811 | /* Function with unknown arguments returning this type. */ |
| 3812 | unsigned int function; |
| 3813 | /* Const version of this type. */ |
| 3814 | unsigned int const_qualified; |
| 3815 | /* Volatile version of this type. */ |
| 3816 | unsigned int volatile_qualified; |
| 3817 | /* List of arrays of this type of various bounds. */ |
| 3818 | struct ieee_modified_array_type *arrays; |
| 3819 | }; |
| 3820 | |
| 3821 | /* A list of arrays bounds. */ |
| 3822 | |
| 3823 | struct ieee_modified_array_type |
| 3824 | { |
| 3825 | /* Next array bounds. */ |
| 3826 | struct ieee_modified_array_type *next; |
| 3827 | /* Type index with these bounds. */ |
| 3828 | unsigned int indx; |
| 3829 | /* Low bound. */ |
| 3830 | bfd_signed_vma low; |
| 3831 | /* High bound. */ |
| 3832 | bfd_signed_vma high; |
| 3833 | }; |
| 3834 | |
| 3835 | /* This is a list of pending function parameter information. We don't |
| 3836 | output them until we see the first block. */ |
| 3837 | |
| 3838 | struct ieee_pending_parm |
| 3839 | { |
| 3840 | /* Next pending parameter. */ |
| 3841 | struct ieee_pending_parm *next; |
| 3842 | /* Name. */ |
| 3843 | const char *name; |
| 3844 | /* Type index. */ |
| 3845 | unsigned int type; |
| 3846 | /* Whether the type is a reference. */ |
| 3847 | boolean referencep; |
| 3848 | /* Kind. */ |
| 3849 | enum debug_parm_kind kind; |
| 3850 | /* Value. */ |
| 3851 | bfd_vma val; |
| 3852 | }; |
| 3853 | |
| 3854 | /* This is the handle passed down by debug_write. */ |
| 3855 | |
| 3856 | struct ieee_handle |
| 3857 | { |
| 3858 | /* BFD we are writing to. */ |
| 3859 | bfd *abfd; |
| 3860 | /* Whether we got an error in a subroutine called via traverse or |
| 3861 | map_over_sections. */ |
| 3862 | boolean error; |
| 3863 | /* Current data buffer list. */ |
| 3864 | struct ieee_buflist *current; |
| 3865 | /* Current data buffer. */ |
| 3866 | struct ieee_buf *curbuf; |
| 3867 | /* Filename of current compilation unit. */ |
| 3868 | const char *filename; |
| 3869 | /* Module name of current compilation unit. */ |
| 3870 | const char *modname; |
| 3871 | /* List of buffer for global types. */ |
| 3872 | struct ieee_buflist global_types; |
| 3873 | /* List of finished data buffers. */ |
| 3874 | struct ieee_buflist data; |
| 3875 | /* List of buffers for typedefs in the current compilation unit. */ |
| 3876 | struct ieee_buflist types; |
| 3877 | /* List of buffers for variables and functions in the current |
| 3878 | compilation unit. */ |
| 3879 | struct ieee_buflist vars; |
| 3880 | /* List of buffers for C++ class definitions in the current |
| 3881 | compilation unit. */ |
| 3882 | struct ieee_buflist cxx; |
| 3883 | /* List of buffers for line numbers in the current compilation unit. */ |
| 3884 | struct ieee_buflist linenos; |
| 3885 | /* Ranges for the current compilation unit. */ |
| 3886 | struct ieee_range *ranges; |
| 3887 | /* Ranges for all debugging information. */ |
| 3888 | struct ieee_range *global_ranges; |
| 3889 | /* Nested pending ranges. */ |
| 3890 | struct ieee_range *pending_ranges; |
| 3891 | /* Type stack. */ |
| 3892 | struct ieee_type_stack *type_stack; |
| 3893 | /* Next unallocated type index. */ |
| 3894 | unsigned int type_indx; |
| 3895 | /* Next unallocated name index. */ |
| 3896 | unsigned int name_indx; |
| 3897 | /* Typedefs. */ |
| 3898 | struct ieee_name_type_hash_table typedefs; |
| 3899 | /* Tags. */ |
| 3900 | struct ieee_name_type_hash_table tags; |
| 3901 | /* Enums. */ |
| 3902 | struct ieee_defined_enum *enums; |
| 3903 | /* Modified versions of types. */ |
| 3904 | struct ieee_modified_type *modified; |
| 3905 | /* Number of entries allocated in modified. */ |
| 3906 | unsigned int modified_alloc; |
| 3907 | /* 4 byte complex type. */ |
| 3908 | unsigned int complex_float_index; |
| 3909 | /* 8 byte complex type. */ |
| 3910 | unsigned int complex_double_index; |
| 3911 | /* The depth of block nesting. This is 0 outside a function, and 1 |
| 3912 | just after start_function is called. */ |
| 3913 | unsigned int block_depth; |
| 3914 | /* The name of the current function. */ |
| 3915 | const char *fnname; |
| 3916 | /* List of buffers for the type of the function we are currently |
| 3917 | writing out. */ |
| 3918 | struct ieee_buflist fntype; |
| 3919 | /* List of buffers for the parameters of the function we are |
| 3920 | currently writing out. */ |
| 3921 | struct ieee_buflist fnargs; |
| 3922 | /* Number of arguments written to fnargs. */ |
| 3923 | unsigned int fnargcount; |
| 3924 | /* Pending function parameters. */ |
| 3925 | struct ieee_pending_parm *pending_parms; |
| 3926 | /* Current line number filename. */ |
| 3927 | const char *lineno_filename; |
| 3928 | /* Line number name index. */ |
| 3929 | unsigned int lineno_name_indx; |
| 3930 | /* Filename of pending line number. */ |
| 3931 | const char *pending_lineno_filename; |
| 3932 | /* Pending line number. */ |
| 3933 | unsigned long pending_lineno; |
| 3934 | /* Address of pending line number. */ |
| 3935 | bfd_vma pending_lineno_addr; |
| 3936 | /* Highest address seen at end of procedure. */ |
| 3937 | bfd_vma highaddr; |
| 3938 | }; |
| 3939 | |
| 3940 | static boolean ieee_init_buffer |
| 3941 | PARAMS ((struct ieee_handle *, struct ieee_buflist *)); |
| 3942 | static boolean ieee_change_buffer |
| 3943 | PARAMS ((struct ieee_handle *, struct ieee_buflist *)); |
| 3944 | static boolean ieee_append_buffer |
| 3945 | PARAMS ((struct ieee_handle *, struct ieee_buflist *, |
| 3946 | struct ieee_buflist *)); |
| 3947 | static boolean ieee_real_write_byte PARAMS ((struct ieee_handle *, int)); |
| 3948 | static boolean ieee_write_2bytes PARAMS ((struct ieee_handle *, int)); |
| 3949 | static boolean ieee_write_number PARAMS ((struct ieee_handle *, bfd_vma)); |
| 3950 | static boolean ieee_write_id PARAMS ((struct ieee_handle *, const char *)); |
| 3951 | static boolean ieee_write_asn |
| 3952 | PARAMS ((struct ieee_handle *, unsigned int, bfd_vma)); |
| 3953 | static boolean ieee_write_atn65 |
| 3954 | PARAMS ((struct ieee_handle *, unsigned int, const char *)); |
| 3955 | static boolean ieee_push_type |
| 3956 | PARAMS ((struct ieee_handle *, unsigned int, unsigned int, boolean, |
| 3957 | boolean)); |
| 3958 | static unsigned int ieee_pop_type PARAMS ((struct ieee_handle *)); |
| 3959 | static void ieee_pop_unused_type PARAMS ((struct ieee_handle *)); |
| 3960 | static unsigned int ieee_pop_type_used |
| 3961 | PARAMS ((struct ieee_handle *, boolean)); |
| 3962 | static boolean ieee_add_range |
| 3963 | PARAMS ((struct ieee_handle *, boolean, bfd_vma, bfd_vma)); |
| 3964 | static boolean ieee_start_range PARAMS ((struct ieee_handle *, bfd_vma)); |
| 3965 | static boolean ieee_end_range PARAMS ((struct ieee_handle *, bfd_vma)); |
| 3966 | static boolean ieee_define_type |
| 3967 | PARAMS ((struct ieee_handle *, unsigned int, boolean, boolean)); |
| 3968 | static boolean ieee_define_named_type |
| 3969 | PARAMS ((struct ieee_handle *, const char *, unsigned int, unsigned int, |
| 3970 | boolean, boolean, struct ieee_buflist *)); |
| 3971 | static struct ieee_modified_type *ieee_get_modified_info |
| 3972 | PARAMS ((struct ieee_handle *, unsigned int)); |
| 3973 | static struct bfd_hash_entry *ieee_name_type_newfunc |
| 3974 | PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *, const char *)); |
| 3975 | static boolean ieee_write_undefined_tag |
| 3976 | PARAMS ((struct ieee_name_type_hash_entry *, PTR)); |
| 3977 | static boolean ieee_finish_compilation_unit PARAMS ((struct ieee_handle *)); |
| 3978 | static void ieee_add_bb11_blocks PARAMS ((bfd *, asection *, PTR)); |
| 3979 | static boolean ieee_add_bb11 |
| 3980 | PARAMS ((struct ieee_handle *, asection *, bfd_vma, bfd_vma)); |
| 3981 | static boolean ieee_output_pending_parms PARAMS ((struct ieee_handle *)); |
| 3982 | static unsigned int ieee_vis_to_flags PARAMS ((enum debug_visibility)); |
| 3983 | static boolean ieee_class_method_var |
| 3984 | PARAMS ((struct ieee_handle *, const char *, enum debug_visibility, boolean, |
| 3985 | boolean, boolean, bfd_vma, boolean)); |
| 3986 | |
| 3987 | static boolean ieee_start_compilation_unit PARAMS ((PTR, const char *)); |
| 3988 | static boolean ieee_start_source PARAMS ((PTR, const char *)); |
| 3989 | static boolean ieee_empty_type PARAMS ((PTR)); |
| 3990 | static boolean ieee_void_type PARAMS ((PTR)); |
| 3991 | static boolean ieee_int_type PARAMS ((PTR, unsigned int, boolean)); |
| 3992 | static boolean ieee_float_type PARAMS ((PTR, unsigned int)); |
| 3993 | static boolean ieee_complex_type PARAMS ((PTR, unsigned int)); |
| 3994 | static boolean ieee_bool_type PARAMS ((PTR, unsigned int)); |
| 3995 | static boolean ieee_enum_type |
| 3996 | PARAMS ((PTR, const char *, const char **, bfd_signed_vma *)); |
| 3997 | static boolean ieee_pointer_type PARAMS ((PTR)); |
| 3998 | static boolean ieee_function_type PARAMS ((PTR, int, boolean)); |
| 3999 | static boolean ieee_reference_type PARAMS ((PTR)); |
| 4000 | static boolean ieee_range_type PARAMS ((PTR, bfd_signed_vma, bfd_signed_vma)); |
| 4001 | static boolean ieee_array_type |
| 4002 | PARAMS ((PTR, bfd_signed_vma, bfd_signed_vma, boolean)); |
| 4003 | static boolean ieee_set_type PARAMS ((PTR, boolean)); |
| 4004 | static boolean ieee_offset_type PARAMS ((PTR)); |
| 4005 | static boolean ieee_method_type PARAMS ((PTR, boolean, int, boolean)); |
| 4006 | static boolean ieee_const_type PARAMS ((PTR)); |
| 4007 | static boolean ieee_volatile_type PARAMS ((PTR)); |
| 4008 | static boolean ieee_start_struct_type |
| 4009 | PARAMS ((PTR, const char *, unsigned int, boolean, unsigned int)); |
| 4010 | static boolean ieee_struct_field |
| 4011 | PARAMS ((PTR, const char *, bfd_vma, bfd_vma, enum debug_visibility)); |
| 4012 | static boolean ieee_end_struct_type PARAMS ((PTR)); |
| 4013 | static boolean ieee_start_class_type |
| 4014 | PARAMS ((PTR, const char *, unsigned int, boolean, unsigned int, boolean, |
| 4015 | boolean)); |
| 4016 | static boolean ieee_class_static_member |
| 4017 | PARAMS ((PTR, const char *, const char *, enum debug_visibility)); |
| 4018 | static boolean ieee_class_baseclass |
| 4019 | PARAMS ((PTR, bfd_vma, boolean, enum debug_visibility)); |
| 4020 | static boolean ieee_class_start_method PARAMS ((PTR, const char *)); |
| 4021 | static boolean ieee_class_method_variant |
| 4022 | PARAMS ((PTR, const char *, enum debug_visibility, boolean, boolean, |
| 4023 | bfd_vma, boolean)); |
| 4024 | static boolean ieee_class_static_method_variant |
| 4025 | PARAMS ((PTR, const char *, enum debug_visibility, boolean, boolean)); |
| 4026 | static boolean ieee_class_end_method PARAMS ((PTR)); |
| 4027 | static boolean ieee_end_class_type PARAMS ((PTR)); |
| 4028 | static boolean ieee_typedef_type PARAMS ((PTR, const char *)); |
| 4029 | static boolean ieee_tag_type |
| 4030 | PARAMS ((PTR, const char *, unsigned int, enum debug_type_kind)); |
| 4031 | static boolean ieee_typdef PARAMS ((PTR, const char *)); |
| 4032 | static boolean ieee_tag PARAMS ((PTR, const char *)); |
| 4033 | static boolean ieee_int_constant PARAMS ((PTR, const char *, bfd_vma)); |
| 4034 | static boolean ieee_float_constant PARAMS ((PTR, const char *, double)); |
| 4035 | static boolean ieee_typed_constant PARAMS ((PTR, const char *, bfd_vma)); |
| 4036 | static boolean ieee_variable |
| 4037 | PARAMS ((PTR, const char *, enum debug_var_kind, bfd_vma)); |
| 4038 | static boolean ieee_start_function PARAMS ((PTR, const char *, boolean)); |
| 4039 | static boolean ieee_function_parameter |
| 4040 | PARAMS ((PTR, const char *, enum debug_parm_kind, bfd_vma)); |
| 4041 | static boolean ieee_start_block PARAMS ((PTR, bfd_vma)); |
| 4042 | static boolean ieee_end_block PARAMS ((PTR, bfd_vma)); |
| 4043 | static boolean ieee_end_function PARAMS ((PTR)); |
| 4044 | static boolean ieee_lineno |
| 4045 | PARAMS ((PTR, const char *, unsigned long, bfd_vma)); |
| 4046 | |
| 4047 | static const struct debug_write_fns ieee_fns = |
| 4048 | { |
| 4049 | ieee_start_compilation_unit, |
| 4050 | ieee_start_source, |
| 4051 | ieee_empty_type, |
| 4052 | ieee_void_type, |
| 4053 | ieee_int_type, |
| 4054 | ieee_float_type, |
| 4055 | ieee_complex_type, |
| 4056 | ieee_bool_type, |
| 4057 | ieee_enum_type, |
| 4058 | ieee_pointer_type, |
| 4059 | ieee_function_type, |
| 4060 | ieee_reference_type, |
| 4061 | ieee_range_type, |
| 4062 | ieee_array_type, |
| 4063 | ieee_set_type, |
| 4064 | ieee_offset_type, |
| 4065 | ieee_method_type, |
| 4066 | ieee_const_type, |
| 4067 | ieee_volatile_type, |
| 4068 | ieee_start_struct_type, |
| 4069 | ieee_struct_field, |
| 4070 | ieee_end_struct_type, |
| 4071 | ieee_start_class_type, |
| 4072 | ieee_class_static_member, |
| 4073 | ieee_class_baseclass, |
| 4074 | ieee_class_start_method, |
| 4075 | ieee_class_method_variant, |
| 4076 | ieee_class_static_method_variant, |
| 4077 | ieee_class_end_method, |
| 4078 | ieee_end_class_type, |
| 4079 | ieee_typedef_type, |
| 4080 | ieee_tag_type, |
| 4081 | ieee_typdef, |
| 4082 | ieee_tag, |
| 4083 | ieee_int_constant, |
| 4084 | ieee_float_constant, |
| 4085 | ieee_typed_constant, |
| 4086 | ieee_variable, |
| 4087 | ieee_start_function, |
| 4088 | ieee_function_parameter, |
| 4089 | ieee_start_block, |
| 4090 | ieee_end_block, |
| 4091 | ieee_end_function, |
| 4092 | ieee_lineno |
| 4093 | }; |
| 4094 | |
| 4095 | /* Initialize a buffer to be empty. */ |
| 4096 | |
| 4097 | /*ARGSUSED*/ |
| 4098 | static boolean |
| 4099 | ieee_init_buffer (info, buflist) |
| 4100 | struct ieee_handle *info; |
| 4101 | struct ieee_buflist *buflist; |
| 4102 | { |
| 4103 | buflist->head = NULL; |
| 4104 | buflist->tail = NULL; |
| 4105 | return true; |
| 4106 | } |
| 4107 | |
| 4108 | /* See whether a buffer list has any data. */ |
| 4109 | |
| 4110 | #define ieee_buffer_emptyp(buflist) ((buflist)->head == NULL) |
| 4111 | |
| 4112 | /* Change the current buffer to a specified buffer chain. */ |
| 4113 | |
| 4114 | static boolean |
| 4115 | ieee_change_buffer (info, buflist) |
| 4116 | struct ieee_handle *info; |
| 4117 | struct ieee_buflist *buflist; |
| 4118 | { |
| 4119 | if (buflist->head == NULL) |
| 4120 | { |
| 4121 | struct ieee_buf *buf; |
| 4122 | |
| 4123 | buf = (struct ieee_buf *) xmalloc (sizeof *buf); |
| 4124 | buf->next = NULL; |
| 4125 | buf->c = 0; |
| 4126 | buflist->head = buf; |
| 4127 | buflist->tail = buf; |
| 4128 | } |
| 4129 | |
| 4130 | info->current = buflist; |
| 4131 | info->curbuf = buflist->tail; |
| 4132 | |
| 4133 | return true; |
| 4134 | } |
| 4135 | |
| 4136 | /* Append a buffer chain. */ |
| 4137 | |
| 4138 | /*ARGSUSED*/ |
| 4139 | static boolean |
| 4140 | ieee_append_buffer (info, mainbuf, newbuf) |
| 4141 | struct ieee_handle *info; |
| 4142 | struct ieee_buflist *mainbuf; |
| 4143 | struct ieee_buflist *newbuf; |
| 4144 | { |
| 4145 | if (newbuf->head != NULL) |
| 4146 | { |
| 4147 | if (mainbuf->head == NULL) |
| 4148 | mainbuf->head = newbuf->head; |
| 4149 | else |
| 4150 | mainbuf->tail->next = newbuf->head; |
| 4151 | mainbuf->tail = newbuf->tail; |
| 4152 | } |
| 4153 | return true; |
| 4154 | } |
| 4155 | |
| 4156 | /* Write a byte into the buffer. We use a macro for speed and a |
| 4157 | function for the complex cases. */ |
| 4158 | |
| 4159 | #define ieee_write_byte(info, b) \ |
| 4160 | ((info)->curbuf->c < IEEE_BUFSIZE \ |
| 4161 | ? ((info)->curbuf->buf[(info)->curbuf->c++] = (b), true) \ |
| 4162 | : ieee_real_write_byte ((info), (b))) |
| 4163 | |
| 4164 | static boolean |
| 4165 | ieee_real_write_byte (info, b) |
| 4166 | struct ieee_handle *info; |
| 4167 | int b; |
| 4168 | { |
| 4169 | if (info->curbuf->c >= IEEE_BUFSIZE) |
| 4170 | { |
| 4171 | struct ieee_buf *n; |
| 4172 | |
| 4173 | n = (struct ieee_buf *) xmalloc (sizeof *n); |
| 4174 | n->next = NULL; |
| 4175 | n->c = 0; |
| 4176 | if (info->current->head == NULL) |
| 4177 | info->current->head = n; |
| 4178 | else |
| 4179 | info->current->tail->next = n; |
| 4180 | info->current->tail = n; |
| 4181 | info->curbuf = n; |
| 4182 | } |
| 4183 | |
| 4184 | info->curbuf->buf[info->curbuf->c] = b; |
| 4185 | ++info->curbuf->c; |
| 4186 | |
| 4187 | return true; |
| 4188 | } |
| 4189 | |
| 4190 | /* Write out two bytes. */ |
| 4191 | |
| 4192 | static boolean |
| 4193 | ieee_write_2bytes (info, i) |
| 4194 | struct ieee_handle *info; |
| 4195 | int i; |
| 4196 | { |
| 4197 | return (ieee_write_byte (info, i >> 8) |
| 4198 | && ieee_write_byte (info, i & 0xff)); |
| 4199 | } |
| 4200 | |
| 4201 | /* Write out an integer. */ |
| 4202 | |
| 4203 | static boolean |
| 4204 | ieee_write_number (info, v) |
| 4205 | struct ieee_handle *info; |
| 4206 | bfd_vma v; |
| 4207 | { |
| 4208 | bfd_vma t; |
| 4209 | bfd_byte ab[20]; |
| 4210 | bfd_byte *p; |
| 4211 | unsigned int c; |
| 4212 | |
| 4213 | if (v <= (bfd_vma) ieee_number_end_enum) |
| 4214 | return ieee_write_byte (info, (int) v); |
| 4215 | |
| 4216 | t = v; |
| 4217 | p = ab + sizeof ab; |
| 4218 | while (t != 0) |
| 4219 | { |
| 4220 | *--p = t & 0xff; |
| 4221 | t >>= 8; |
| 4222 | } |
| 4223 | c = (ab + 20) - p; |
| 4224 | |
| 4225 | if (c > (unsigned int) (ieee_number_repeat_end_enum |
| 4226 | - ieee_number_repeat_start_enum)) |
| 4227 | { |
| 4228 | fprintf (stderr, "IEEE numeric overflow: 0x"); |
| 4229 | fprintf_vma (stderr, v); |
| 4230 | fprintf (stderr, "\n"); |
| 4231 | return false; |
| 4232 | } |
| 4233 | |
| 4234 | if (! ieee_write_byte (info, (int) ieee_number_repeat_start_enum + c)) |
| 4235 | return false; |
| 4236 | for (; c > 0; --c, ++p) |
| 4237 | { |
| 4238 | if (! ieee_write_byte (info, *p)) |
| 4239 | return false; |
| 4240 | } |
| 4241 | |
| 4242 | return true; |
| 4243 | } |
| 4244 | |
| 4245 | /* Write out a string. */ |
| 4246 | |
| 4247 | static boolean |
| 4248 | ieee_write_id (info, s) |
| 4249 | struct ieee_handle *info; |
| 4250 | const char *s; |
| 4251 | { |
| 4252 | unsigned int len; |
| 4253 | |
| 4254 | len = strlen (s); |
| 4255 | if (len <= 0x7f) |
| 4256 | { |
| 4257 | if (! ieee_write_byte (info, len)) |
| 4258 | return false; |
| 4259 | } |
| 4260 | else if (len <= 0xff) |
| 4261 | { |
| 4262 | if (! ieee_write_byte (info, (int) ieee_extension_length_1_enum) |
| 4263 | || ! ieee_write_byte (info, len)) |
| 4264 | return false; |
| 4265 | } |
| 4266 | else if (len <= 0xffff) |
| 4267 | { |
| 4268 | if (! ieee_write_byte (info, (int) ieee_extension_length_2_enum) |
| 4269 | || ! ieee_write_2bytes (info, len)) |
| 4270 | return false; |
| 4271 | } |
| 4272 | else |
| 4273 | { |
| 4274 | fprintf (stderr, "IEEE string length overflow: %u\n", len); |
| 4275 | return false; |
| 4276 | } |
| 4277 | |
| 4278 | for (; *s != '\0'; s++) |
| 4279 | if (! ieee_write_byte (info, *s)) |
| 4280 | return false; |
| 4281 | |
| 4282 | return true; |
| 4283 | } |
| 4284 | |
| 4285 | /* Write out an ASN record. */ |
| 4286 | |
| 4287 | static boolean |
| 4288 | ieee_write_asn (info, indx, val) |
| 4289 | struct ieee_handle *info; |
| 4290 | unsigned int indx; |
| 4291 | bfd_vma val; |
| 4292 | { |
| 4293 | return (ieee_write_2bytes (info, (int) ieee_asn_record_enum) |
| 4294 | && ieee_write_number (info, indx) |
| 4295 | && ieee_write_number (info, val)); |
| 4296 | } |
| 4297 | |
| 4298 | /* Write out an ATN65 record. */ |
| 4299 | |
| 4300 | static boolean |
| 4301 | ieee_write_atn65 (info, indx, s) |
| 4302 | struct ieee_handle *info; |
| 4303 | unsigned int indx; |
| 4304 | const char *s; |
| 4305 | { |
| 4306 | return (ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 4307 | && ieee_write_number (info, indx) |
| 4308 | && ieee_write_number (info, 0) |
| 4309 | && ieee_write_number (info, 65) |
| 4310 | && ieee_write_id (info, s)); |
| 4311 | } |
| 4312 | |
| 4313 | /* Push a type index onto the type stack. */ |
| 4314 | |
| 4315 | static boolean |
| 4316 | ieee_push_type (info, indx, size, unsignedp, localp) |
| 4317 | struct ieee_handle *info; |
| 4318 | unsigned int indx; |
| 4319 | unsigned int size; |
| 4320 | boolean unsignedp; |
| 4321 | boolean localp; |
| 4322 | { |
| 4323 | struct ieee_type_stack *ts; |
| 4324 | |
| 4325 | ts = (struct ieee_type_stack *) xmalloc (sizeof *ts); |
| 4326 | memset (ts, 0, sizeof *ts); |
| 4327 | |
| 4328 | ts->type.indx = indx; |
| 4329 | ts->type.size = size; |
| 4330 | ts->type.unsignedp = unsignedp; |
| 4331 | ts->type.localp = localp; |
| 4332 | |
| 4333 | ts->next = info->type_stack; |
| 4334 | info->type_stack = ts; |
| 4335 | |
| 4336 | return true; |
| 4337 | } |
| 4338 | |
| 4339 | /* Pop a type index off the type stack. */ |
| 4340 | |
| 4341 | static unsigned int |
| 4342 | ieee_pop_type (info) |
| 4343 | struct ieee_handle *info; |
| 4344 | { |
| 4345 | return ieee_pop_type_used (info, true); |
| 4346 | } |
| 4347 | |
| 4348 | /* Pop an unused type index off the type stack. */ |
| 4349 | |
| 4350 | static void |
| 4351 | ieee_pop_unused_type (info) |
| 4352 | struct ieee_handle *info; |
| 4353 | { |
| 4354 | (void) ieee_pop_type_used (info, false); |
| 4355 | } |
| 4356 | |
| 4357 | /* Pop a used or unused type index off the type stack. */ |
| 4358 | |
| 4359 | static unsigned int |
| 4360 | ieee_pop_type_used (info, used) |
| 4361 | struct ieee_handle *info; |
| 4362 | boolean used; |
| 4363 | { |
| 4364 | struct ieee_type_stack *ts; |
| 4365 | unsigned int ret; |
| 4366 | |
| 4367 | ts = info->type_stack; |
| 4368 | assert (ts != NULL); |
| 4369 | |
| 4370 | /* If this is a function type, and we need it, we need to append the |
| 4371 | actual definition to the typedef block now. */ |
| 4372 | if (used && ! ieee_buffer_emptyp (&ts->type.fndef)) |
| 4373 | { |
| 4374 | struct ieee_buflist *buflist; |
| 4375 | |
| 4376 | if (ts->type.localp) |
| 4377 | { |
| 4378 | /* Make sure we have started the types block. */ |
| 4379 | if (ieee_buffer_emptyp (&info->types)) |
| 4380 | { |
| 4381 | if (! ieee_change_buffer (info, &info->types) |
| 4382 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4383 | || ! ieee_write_byte (info, 1) |
| 4384 | || ! ieee_write_number (info, 0) |
| 4385 | || ! ieee_write_id (info, info->modname)) |
| 4386 | return false; |
| 4387 | } |
| 4388 | buflist = &info->types; |
| 4389 | } |
| 4390 | else |
| 4391 | { |
| 4392 | /* Make sure we started the global type block. */ |
| 4393 | if (ieee_buffer_emptyp (&info->global_types)) |
| 4394 | { |
| 4395 | if (! ieee_change_buffer (info, &info->global_types) |
| 4396 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4397 | || ! ieee_write_byte (info, 2) |
| 4398 | || ! ieee_write_number (info, 0) |
| 4399 | || ! ieee_write_id (info, "")) |
| 4400 | return false; |
| 4401 | } |
| 4402 | buflist = &info->global_types; |
| 4403 | } |
| 4404 | |
| 4405 | if (! ieee_append_buffer (info, buflist, &ts->type.fndef)) |
| 4406 | return false; |
| 4407 | } |
| 4408 | |
| 4409 | ret = ts->type.indx; |
| 4410 | info->type_stack = ts->next; |
| 4411 | free (ts); |
| 4412 | return ret; |
| 4413 | } |
| 4414 | |
| 4415 | /* Add a range of bytes included in the current compilation unit. */ |
| 4416 | |
| 4417 | static boolean |
| 4418 | ieee_add_range (info, global, low, high) |
| 4419 | struct ieee_handle *info; |
| 4420 | boolean global; |
| 4421 | bfd_vma low; |
| 4422 | bfd_vma high; |
| 4423 | { |
| 4424 | struct ieee_range **plist, *r, **pr; |
| 4425 | |
| 4426 | if (low == (bfd_vma) -1 || high == (bfd_vma) -1 || low == high) |
| 4427 | return true; |
| 4428 | |
| 4429 | if (global) |
| 4430 | plist = &info->global_ranges; |
| 4431 | else |
| 4432 | plist = &info->ranges; |
| 4433 | |
| 4434 | for (r = *plist; r != NULL; r = r->next) |
| 4435 | { |
| 4436 | if (high >= r->low && low <= r->high) |
| 4437 | { |
| 4438 | /* The new range overlaps r. */ |
| 4439 | if (low < r->low) |
| 4440 | r->low = low; |
| 4441 | if (high > r->high) |
| 4442 | r->high = high; |
| 4443 | pr = &r->next; |
| 4444 | while (*pr != NULL && (*pr)->low <= r->high) |
| 4445 | { |
| 4446 | struct ieee_range *n; |
| 4447 | |
| 4448 | if ((*pr)->high > r->high) |
| 4449 | r->high = (*pr)->high; |
| 4450 | n = (*pr)->next; |
| 4451 | free (*pr); |
| 4452 | *pr = n; |
| 4453 | } |
| 4454 | return true; |
| 4455 | } |
| 4456 | } |
| 4457 | |
| 4458 | r = (struct ieee_range *) xmalloc (sizeof *r); |
| 4459 | memset (r, 0, sizeof *r); |
| 4460 | |
| 4461 | r->low = low; |
| 4462 | r->high = high; |
| 4463 | |
| 4464 | /* Store the ranges sorted by address. */ |
| 4465 | for (pr = plist; *pr != NULL; pr = &(*pr)->next) |
| 4466 | if ((*pr)->low > high) |
| 4467 | break; |
| 4468 | r->next = *pr; |
| 4469 | *pr = r; |
| 4470 | |
| 4471 | return true; |
| 4472 | } |
| 4473 | |
| 4474 | /* Start a new range for which we only have the low address. */ |
| 4475 | |
| 4476 | static boolean |
| 4477 | ieee_start_range (info, low) |
| 4478 | struct ieee_handle *info; |
| 4479 | bfd_vma low; |
| 4480 | { |
| 4481 | struct ieee_range *r; |
| 4482 | |
| 4483 | r = (struct ieee_range *) xmalloc (sizeof *r); |
| 4484 | memset (r, 0, sizeof *r); |
| 4485 | r->low = low; |
| 4486 | r->next = info->pending_ranges; |
| 4487 | info->pending_ranges = r; |
| 4488 | return true; |
| 4489 | } |
| 4490 | |
| 4491 | /* Finish a range started by ieee_start_range. */ |
| 4492 | |
| 4493 | static boolean |
| 4494 | ieee_end_range (info, high) |
| 4495 | struct ieee_handle *info; |
| 4496 | bfd_vma high; |
| 4497 | { |
| 4498 | struct ieee_range *r; |
| 4499 | bfd_vma low; |
| 4500 | |
| 4501 | assert (info->pending_ranges != NULL); |
| 4502 | r = info->pending_ranges; |
| 4503 | low = r->low; |
| 4504 | info->pending_ranges = r->next; |
| 4505 | free (r); |
| 4506 | return ieee_add_range (info, false, low, high); |
| 4507 | } |
| 4508 | |
| 4509 | /* Start defining a type. */ |
| 4510 | |
| 4511 | static boolean |
| 4512 | ieee_define_type (info, size, unsignedp, localp) |
| 4513 | struct ieee_handle *info; |
| 4514 | unsigned int size; |
| 4515 | boolean unsignedp; |
| 4516 | boolean localp; |
| 4517 | { |
| 4518 | return ieee_define_named_type (info, (const char *) NULL, |
| 4519 | (unsigned int) -1, size, unsignedp, |
| 4520 | localp, (struct ieee_buflist *) NULL); |
| 4521 | } |
| 4522 | |
| 4523 | /* Start defining a named type. */ |
| 4524 | |
| 4525 | static boolean |
| 4526 | ieee_define_named_type (info, name, indx, size, unsignedp, localp, buflist) |
| 4527 | struct ieee_handle *info; |
| 4528 | const char *name; |
| 4529 | unsigned int indx; |
| 4530 | unsigned int size; |
| 4531 | boolean unsignedp; |
| 4532 | boolean localp; |
| 4533 | struct ieee_buflist *buflist; |
| 4534 | { |
| 4535 | unsigned int type_indx; |
| 4536 | unsigned int name_indx; |
| 4537 | |
| 4538 | if (indx != (unsigned int) -1) |
| 4539 | type_indx = indx; |
| 4540 | else |
| 4541 | { |
| 4542 | type_indx = info->type_indx; |
| 4543 | ++info->type_indx; |
| 4544 | } |
| 4545 | |
| 4546 | name_indx = info->name_indx; |
| 4547 | ++info->name_indx; |
| 4548 | |
| 4549 | if (name == NULL) |
| 4550 | name = ""; |
| 4551 | |
| 4552 | /* If we were given a buffer, use it; otherwise, use either the |
| 4553 | local or the global type information, and make sure that the type |
| 4554 | block is started. */ |
| 4555 | if (buflist != NULL) |
| 4556 | { |
| 4557 | if (! ieee_change_buffer (info, buflist)) |
| 4558 | return false; |
| 4559 | } |
| 4560 | else if (localp) |
| 4561 | { |
| 4562 | if (! ieee_buffer_emptyp (&info->types)) |
| 4563 | { |
| 4564 | if (! ieee_change_buffer (info, &info->types)) |
| 4565 | return false; |
| 4566 | } |
| 4567 | else |
| 4568 | { |
| 4569 | if (! ieee_change_buffer (info, &info->types) |
| 4570 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4571 | || ! ieee_write_byte (info, 1) |
| 4572 | || ! ieee_write_number (info, 0) |
| 4573 | || ! ieee_write_id (info, info->modname)) |
| 4574 | return false; |
| 4575 | } |
| 4576 | } |
| 4577 | else |
| 4578 | { |
| 4579 | if (! ieee_buffer_emptyp (&info->global_types)) |
| 4580 | { |
| 4581 | if (! ieee_change_buffer (info, &info->global_types)) |
| 4582 | return false; |
| 4583 | } |
| 4584 | else |
| 4585 | { |
| 4586 | if (! ieee_change_buffer (info, &info->global_types) |
| 4587 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4588 | || ! ieee_write_byte (info, 2) |
| 4589 | || ! ieee_write_number (info, 0) |
| 4590 | || ! ieee_write_id (info, "")) |
| 4591 | return false; |
| 4592 | } |
| 4593 | } |
| 4594 | |
| 4595 | /* Push the new type on the type stack, write out an NN record, and |
| 4596 | write out the start of a TY record. The caller will then finish |
| 4597 | the TY record. */ |
| 4598 | if (! ieee_push_type (info, type_indx, size, unsignedp, localp)) |
| 4599 | return false; |
| 4600 | |
| 4601 | return (ieee_write_byte (info, (int) ieee_nn_record) |
| 4602 | && ieee_write_number (info, name_indx) |
| 4603 | && ieee_write_id (info, name) |
| 4604 | && ieee_write_byte (info, (int) ieee_ty_record_enum) |
| 4605 | && ieee_write_number (info, type_indx) |
| 4606 | && ieee_write_byte (info, 0xce) |
| 4607 | && ieee_write_number (info, name_indx)); |
| 4608 | } |
| 4609 | |
| 4610 | /* Get an entry to the list of modified versions of a type. */ |
| 4611 | |
| 4612 | static struct ieee_modified_type * |
| 4613 | ieee_get_modified_info (info, indx) |
| 4614 | struct ieee_handle *info; |
| 4615 | unsigned int indx; |
| 4616 | { |
| 4617 | if (indx >= info->modified_alloc) |
| 4618 | { |
| 4619 | unsigned int nalloc; |
| 4620 | |
| 4621 | nalloc = info->modified_alloc; |
| 4622 | if (nalloc == 0) |
| 4623 | nalloc = 16; |
| 4624 | while (indx >= nalloc) |
| 4625 | nalloc *= 2; |
| 4626 | info->modified = ((struct ieee_modified_type *) |
| 4627 | xrealloc (info->modified, |
| 4628 | nalloc * sizeof *info->modified)); |
| 4629 | memset (info->modified + info->modified_alloc, 0, |
| 4630 | (nalloc - info->modified_alloc) * sizeof *info->modified); |
| 4631 | info->modified_alloc = nalloc; |
| 4632 | } |
| 4633 | |
| 4634 | return info->modified + indx; |
| 4635 | } |
| 4636 | \f |
| 4637 | /* Routines for the hash table mapping names to types. */ |
| 4638 | |
| 4639 | /* Initialize an entry in the hash table. */ |
| 4640 | |
| 4641 | static struct bfd_hash_entry * |
| 4642 | ieee_name_type_newfunc (entry, table, string) |
| 4643 | struct bfd_hash_entry *entry; |
| 4644 | struct bfd_hash_table *table; |
| 4645 | const char *string; |
| 4646 | { |
| 4647 | struct ieee_name_type_hash_entry *ret = |
| 4648 | (struct ieee_name_type_hash_entry *) entry; |
| 4649 | |
| 4650 | /* Allocate the structure if it has not already been allocated by a |
| 4651 | subclass. */ |
| 4652 | if (ret == NULL) |
| 4653 | ret = ((struct ieee_name_type_hash_entry *) |
| 4654 | bfd_hash_allocate (table, sizeof *ret)); |
| 4655 | if (ret == NULL) |
| 4656 | return NULL; |
| 4657 | |
| 4658 | /* Call the allocation method of the superclass. */ |
| 4659 | ret = ((struct ieee_name_type_hash_entry *) |
| 4660 | bfd_hash_newfunc ((struct bfd_hash_entry *) ret, table, string)); |
| 4661 | if (ret) |
| 4662 | { |
| 4663 | /* Set local fields. */ |
| 4664 | ret->types = NULL; |
| 4665 | } |
| 4666 | |
| 4667 | return (struct bfd_hash_entry *) ret; |
| 4668 | } |
| 4669 | |
| 4670 | /* Look up an entry in the hash table. */ |
| 4671 | |
| 4672 | #define ieee_name_type_hash_lookup(table, string, create, copy) \ |
| 4673 | ((struct ieee_name_type_hash_entry *) \ |
| 4674 | bfd_hash_lookup (&(table)->root, (string), (create), (copy))) |
| 4675 | |
| 4676 | /* Traverse the hash table. */ |
| 4677 | |
| 4678 | #define ieee_name_type_hash_traverse(table, func, info) \ |
| 4679 | (bfd_hash_traverse \ |
| 4680 | (&(table)->root, \ |
| 4681 | (boolean (*) PARAMS ((struct bfd_hash_entry *, PTR))) (func), \ |
| 4682 | (info))) |
| 4683 | \f |
| 4684 | /* The general routine to write out IEEE debugging information. */ |
| 4685 | |
| 4686 | boolean |
| 4687 | write_ieee_debugging_info (abfd, dhandle) |
| 4688 | bfd *abfd; |
| 4689 | PTR dhandle; |
| 4690 | { |
| 4691 | struct ieee_handle info; |
| 4692 | asection *s; |
| 4693 | const char *err; |
| 4694 | struct ieee_buf *b; |
| 4695 | |
| 4696 | memset (&info, 0, sizeof info); |
| 4697 | info.abfd = abfd; |
| 4698 | info.type_indx = 256; |
| 4699 | info.name_indx = 32; |
| 4700 | |
| 4701 | if (! bfd_hash_table_init (&info.typedefs.root, ieee_name_type_newfunc) |
| 4702 | || ! bfd_hash_table_init (&info.tags.root, ieee_name_type_newfunc)) |
| 4703 | return false; |
| 4704 | |
| 4705 | if (! ieee_init_buffer (&info, &info.global_types) |
| 4706 | || ! ieee_init_buffer (&info, &info.data) |
| 4707 | || ! ieee_init_buffer (&info, &info.types) |
| 4708 | || ! ieee_init_buffer (&info, &info.vars) |
| 4709 | || ! ieee_init_buffer (&info, &info.cxx) |
| 4710 | || ! ieee_init_buffer (&info, &info.linenos) |
| 4711 | || ! ieee_init_buffer (&info, &info.fntype) |
| 4712 | || ! ieee_init_buffer (&info, &info.fnargs)) |
| 4713 | return false; |
| 4714 | |
| 4715 | if (! debug_write (dhandle, &ieee_fns, (PTR) &info)) |
| 4716 | return false; |
| 4717 | |
| 4718 | if (info.filename != NULL) |
| 4719 | { |
| 4720 | if (! ieee_finish_compilation_unit (&info)) |
| 4721 | return false; |
| 4722 | } |
| 4723 | |
| 4724 | /* Put any undefined tags in the global typedef information. */ |
| 4725 | info.error = false; |
| 4726 | ieee_name_type_hash_traverse (&info.tags, |
| 4727 | ieee_write_undefined_tag, |
| 4728 | (PTR) &info); |
| 4729 | if (info.error) |
| 4730 | return false; |
| 4731 | |
| 4732 | /* Prepend the global typedef information to the other data. */ |
| 4733 | if (! ieee_buffer_emptyp (&info.global_types)) |
| 4734 | { |
| 4735 | /* The HP debugger seems to have a bug in which it ignores the |
| 4736 | last entry in the global types, so we add a dummy entry. */ |
| 4737 | if (! ieee_change_buffer (&info, &info.global_types) |
| 4738 | || ! ieee_write_byte (&info, (int) ieee_nn_record) |
| 4739 | || ! ieee_write_number (&info, info.name_indx) |
| 4740 | || ! ieee_write_id (&info, "") |
| 4741 | || ! ieee_write_byte (&info, (int) ieee_ty_record_enum) |
| 4742 | || ! ieee_write_number (&info, info.type_indx) |
| 4743 | || ! ieee_write_byte (&info, 0xce) |
| 4744 | || ! ieee_write_number (&info, info.name_indx) |
| 4745 | || ! ieee_write_number (&info, 'P') |
| 4746 | || ! ieee_write_number (&info, (int) builtin_void + 32) |
| 4747 | || ! ieee_write_byte (&info, (int) ieee_be_record_enum)) |
| 4748 | return false; |
| 4749 | |
| 4750 | if (! ieee_append_buffer (&info, &info.global_types, &info.data)) |
| 4751 | return false; |
| 4752 | info.data = info.global_types; |
| 4753 | } |
| 4754 | |
| 4755 | /* Make sure that we have declare BB11 blocks for each range in the |
| 4756 | file. They are added to info->vars. */ |
| 4757 | info.error = false; |
| 4758 | if (! ieee_init_buffer (&info, &info.vars)) |
| 4759 | return false; |
| 4760 | bfd_map_over_sections (abfd, ieee_add_bb11_blocks, (PTR) &info); |
| 4761 | if (info.error) |
| 4762 | return false; |
| 4763 | if (! ieee_buffer_emptyp (&info.vars)) |
| 4764 | { |
| 4765 | if (! ieee_change_buffer (&info, &info.vars) |
| 4766 | || ! ieee_write_byte (&info, (int) ieee_be_record_enum)) |
| 4767 | return false; |
| 4768 | |
| 4769 | if (! ieee_append_buffer (&info, &info.data, &info.vars)) |
| 4770 | return false; |
| 4771 | } |
| 4772 | |
| 4773 | /* Now all the data is in info.data. Write it out to the BFD. We |
| 4774 | normally would need to worry about whether all the other sections |
| 4775 | are set up yet, but the IEEE backend will handle this particular |
| 4776 | case correctly regardless. */ |
| 4777 | if (ieee_buffer_emptyp (&info.data)) |
| 4778 | { |
| 4779 | /* There is no debugging information. */ |
| 4780 | return true; |
| 4781 | } |
| 4782 | err = NULL; |
| 4783 | s = bfd_make_section (abfd, ".debug"); |
| 4784 | if (s == NULL) |
| 4785 | err = "bfd_make_section"; |
| 4786 | if (err == NULL) |
| 4787 | { |
| 4788 | if (! bfd_set_section_flags (abfd, s, SEC_DEBUGGING | SEC_HAS_CONTENTS)) |
| 4789 | err = "bfd_set_section_flags"; |
| 4790 | } |
| 4791 | if (err == NULL) |
| 4792 | { |
| 4793 | bfd_size_type size; |
| 4794 | |
| 4795 | size = 0; |
| 4796 | for (b = info.data.head; b != NULL; b = b->next) |
| 4797 | size += b->c; |
| 4798 | if (! bfd_set_section_size (abfd, s, size)) |
| 4799 | err = "bfd_set_section_size"; |
| 4800 | } |
| 4801 | if (err == NULL) |
| 4802 | { |
| 4803 | file_ptr offset; |
| 4804 | |
| 4805 | offset = 0; |
| 4806 | for (b = info.data.head; b != NULL; b = b->next) |
| 4807 | { |
| 4808 | if (! bfd_set_section_contents (abfd, s, b->buf, offset, b->c)) |
| 4809 | { |
| 4810 | err = "bfd_set_section_contents"; |
| 4811 | break; |
| 4812 | } |
| 4813 | offset += b->c; |
| 4814 | } |
| 4815 | } |
| 4816 | |
| 4817 | if (err != NULL) |
| 4818 | { |
| 4819 | fprintf (stderr, "%s: %s: %s\n", bfd_get_filename (abfd), err, |
| 4820 | bfd_errmsg (bfd_get_error ())); |
| 4821 | return false; |
| 4822 | } |
| 4823 | |
| 4824 | bfd_hash_table_free (&info.typedefs.root); |
| 4825 | bfd_hash_table_free (&info.tags.root); |
| 4826 | |
| 4827 | return true; |
| 4828 | } |
| 4829 | |
| 4830 | /* Write out information for an undefined tag. This is called via |
| 4831 | ieee_name_type_hash_traverse. */ |
| 4832 | |
| 4833 | static boolean |
| 4834 | ieee_write_undefined_tag (h, p) |
| 4835 | struct ieee_name_type_hash_entry *h; |
| 4836 | PTR p; |
| 4837 | { |
| 4838 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 4839 | struct ieee_name_type *nt; |
| 4840 | |
| 4841 | for (nt = h->types; nt != NULL; nt = nt->next) |
| 4842 | { |
| 4843 | unsigned int name_indx; |
| 4844 | char code; |
| 4845 | |
| 4846 | if (nt->kind == DEBUG_KIND_ILLEGAL) |
| 4847 | continue; |
| 4848 | |
| 4849 | if (ieee_buffer_emptyp (&info->global_types)) |
| 4850 | { |
| 4851 | if (! ieee_change_buffer (info, &info->global_types) |
| 4852 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4853 | || ! ieee_write_byte (info, 2) |
| 4854 | || ! ieee_write_number (info, 0) |
| 4855 | || ! ieee_write_id (info, "")) |
| 4856 | { |
| 4857 | info->error = true; |
| 4858 | return false; |
| 4859 | } |
| 4860 | } |
| 4861 | else |
| 4862 | { |
| 4863 | if (! ieee_change_buffer (info, &info->global_types)) |
| 4864 | { |
| 4865 | info->error = true; |
| 4866 | return false; |
| 4867 | } |
| 4868 | } |
| 4869 | |
| 4870 | name_indx = info->name_indx; |
| 4871 | ++info->name_indx; |
| 4872 | if (! ieee_write_byte (info, (int) ieee_nn_record) |
| 4873 | || ! ieee_write_number (info, name_indx) |
| 4874 | || ! ieee_write_id (info, nt->type.name) |
| 4875 | || ! ieee_write_byte (info, (int) ieee_ty_record_enum) |
| 4876 | || ! ieee_write_number (info, nt->type.indx) |
| 4877 | || ! ieee_write_byte (info, 0xce) |
| 4878 | || ! ieee_write_number (info, name_indx)) |
| 4879 | { |
| 4880 | info->error = true; |
| 4881 | return false; |
| 4882 | } |
| 4883 | |
| 4884 | switch (nt->kind) |
| 4885 | { |
| 4886 | default: |
| 4887 | abort (); |
| 4888 | info->error = true; |
| 4889 | return false; |
| 4890 | case DEBUG_KIND_STRUCT: |
| 4891 | case DEBUG_KIND_CLASS: |
| 4892 | code = 'S'; |
| 4893 | break; |
| 4894 | case DEBUG_KIND_UNION: |
| 4895 | case DEBUG_KIND_UNION_CLASS: |
| 4896 | code = 'U'; |
| 4897 | break; |
| 4898 | case DEBUG_KIND_ENUM: |
| 4899 | code = 'E'; |
| 4900 | break; |
| 4901 | } |
| 4902 | if (! ieee_write_number (info, code) |
| 4903 | || ! ieee_write_number (info, 0)) |
| 4904 | { |
| 4905 | info->error = true; |
| 4906 | return false; |
| 4907 | } |
| 4908 | } |
| 4909 | |
| 4910 | return true; |
| 4911 | } |
| 4912 | |
| 4913 | /* Start writing out information for a compilation unit. */ |
| 4914 | |
| 4915 | static boolean |
| 4916 | ieee_start_compilation_unit (p, filename) |
| 4917 | PTR p; |
| 4918 | const char *filename; |
| 4919 | { |
| 4920 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 4921 | const char *modname; |
| 4922 | char *c, *s; |
| 4923 | unsigned int nindx; |
| 4924 | |
| 4925 | if (info->filename != NULL) |
| 4926 | { |
| 4927 | if (! ieee_finish_compilation_unit (info)) |
| 4928 | return false; |
| 4929 | } |
| 4930 | |
| 4931 | info->filename = filename; |
| 4932 | modname = strrchr (filename, '/'); |
| 4933 | if (modname != NULL) |
| 4934 | ++modname; |
| 4935 | else |
| 4936 | { |
| 4937 | modname = strrchr (filename, '\\'); |
| 4938 | if (modname != NULL) |
| 4939 | ++modname; |
| 4940 | else |
| 4941 | modname = filename; |
| 4942 | } |
| 4943 | c = xstrdup (modname); |
| 4944 | s = strrchr (c, '.'); |
| 4945 | if (s != NULL) |
| 4946 | *s = '\0'; |
| 4947 | info->modname = c; |
| 4948 | |
| 4949 | if (! ieee_init_buffer (info, &info->types) |
| 4950 | || ! ieee_init_buffer (info, &info->vars) |
| 4951 | || ! ieee_init_buffer (info, &info->cxx) |
| 4952 | || ! ieee_init_buffer (info, &info->linenos)) |
| 4953 | return false; |
| 4954 | info->ranges = NULL; |
| 4955 | |
| 4956 | /* Always include a BB1 and a BB3 block. That is what the output of |
| 4957 | the MRI linker seems to look like. */ |
| 4958 | if (! ieee_change_buffer (info, &info->types) |
| 4959 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4960 | || ! ieee_write_byte (info, 1) |
| 4961 | || ! ieee_write_number (info, 0) |
| 4962 | || ! ieee_write_id (info, info->modname)) |
| 4963 | return false; |
| 4964 | |
| 4965 | nindx = info->name_indx; |
| 4966 | ++info->name_indx; |
| 4967 | if (! ieee_change_buffer (info, &info->vars) |
| 4968 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 4969 | || ! ieee_write_byte (info, 3) |
| 4970 | || ! ieee_write_number (info, 0) |
| 4971 | || ! ieee_write_id (info, info->modname)) |
| 4972 | return false; |
| 4973 | |
| 4974 | return true; |
| 4975 | } |
| 4976 | |
| 4977 | /* Finish up a compilation unit. */ |
| 4978 | |
| 4979 | static boolean |
| 4980 | ieee_finish_compilation_unit (info) |
| 4981 | struct ieee_handle *info; |
| 4982 | { |
| 4983 | struct ieee_range *r; |
| 4984 | |
| 4985 | if (! ieee_buffer_emptyp (&info->types)) |
| 4986 | { |
| 4987 | if (! ieee_change_buffer (info, &info->types) |
| 4988 | || ! ieee_write_byte (info, (int) ieee_be_record_enum)) |
| 4989 | return false; |
| 4990 | } |
| 4991 | |
| 4992 | if (! ieee_buffer_emptyp (&info->cxx)) |
| 4993 | { |
| 4994 | /* Append any C++ information to the global function and |
| 4995 | variable information. */ |
| 4996 | assert (! ieee_buffer_emptyp (&info->vars)); |
| 4997 | if (! ieee_change_buffer (info, &info->vars)) |
| 4998 | return false; |
| 4999 | |
| 5000 | /* We put the pmisc records in a dummy procedure, just as the |
| 5001 | MRI compiler does. */ |
| 5002 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 5003 | || ! ieee_write_byte (info, 6) |
| 5004 | || ! ieee_write_number (info, 0) |
| 5005 | || ! ieee_write_id (info, "__XRYCPP") |
| 5006 | || ! ieee_write_number (info, 0) |
| 5007 | || ! ieee_write_number (info, 0) |
| 5008 | || ! ieee_write_number (info, info->highaddr - 1) |
| 5009 | || ! ieee_append_buffer (info, &info->vars, &info->cxx) |
| 5010 | || ! ieee_change_buffer (info, &info->vars) |
| 5011 | || ! ieee_write_byte (info, (int) ieee_be_record_enum) |
| 5012 | || ! ieee_write_number (info, info->highaddr - 1)) |
| 5013 | return false; |
| 5014 | } |
| 5015 | |
| 5016 | if (! ieee_buffer_emptyp (&info->vars)) |
| 5017 | { |
| 5018 | if (! ieee_change_buffer (info, &info->vars) |
| 5019 | || ! ieee_write_byte (info, (int) ieee_be_record_enum)) |
| 5020 | return false; |
| 5021 | } |
| 5022 | |
| 5023 | if (info->pending_lineno_filename != NULL) |
| 5024 | { |
| 5025 | /* Force out the pending line number. */ |
| 5026 | if (! ieee_lineno ((PTR) info, (const char *) NULL, 0, (bfd_vma) -1)) |
| 5027 | return false; |
| 5028 | } |
| 5029 | if (! ieee_buffer_emptyp (&info->linenos)) |
| 5030 | { |
| 5031 | if (! ieee_change_buffer (info, &info->linenos) |
| 5032 | || ! ieee_write_byte (info, (int) ieee_be_record_enum)) |
| 5033 | return false; |
| 5034 | if (strcmp (info->filename, info->lineno_filename) != 0) |
| 5035 | { |
| 5036 | /* We were not in the main file. We just closed the |
| 5037 | included line number block, and now we must close the |
| 5038 | main line number block. */ |
| 5039 | if (! ieee_write_byte (info, (int) ieee_be_record_enum)) |
| 5040 | return false; |
| 5041 | } |
| 5042 | } |
| 5043 | |
| 5044 | if (! ieee_append_buffer (info, &info->data, &info->types) |
| 5045 | || ! ieee_append_buffer (info, &info->data, &info->vars) |
| 5046 | || ! ieee_append_buffer (info, &info->data, &info->linenos)) |
| 5047 | return false; |
| 5048 | |
| 5049 | /* Build BB10/BB11 blocks based on the ranges we recorded. */ |
| 5050 | if (! ieee_change_buffer (info, &info->data)) |
| 5051 | return false; |
| 5052 | |
| 5053 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 5054 | || ! ieee_write_byte (info, 10) |
| 5055 | || ! ieee_write_number (info, 0) |
| 5056 | || ! ieee_write_id (info, info->modname) |
| 5057 | || ! ieee_write_id (info, "") |
| 5058 | || ! ieee_write_number (info, 0) |
| 5059 | || ! ieee_write_id (info, "GNU objcopy")) |
| 5060 | return false; |
| 5061 | |
| 5062 | for (r = info->ranges; r != NULL; r = r->next) |
| 5063 | { |
| 5064 | bfd_vma low, high; |
| 5065 | asection *s; |
| 5066 | int kind; |
| 5067 | |
| 5068 | low = r->low; |
| 5069 | high = r->high; |
| 5070 | |
| 5071 | /* Find the section corresponding to this range. */ |
| 5072 | for (s = info->abfd->sections; s != NULL; s = s->next) |
| 5073 | { |
| 5074 | if (bfd_get_section_vma (info->abfd, s) <= low |
| 5075 | && high <= (bfd_get_section_vma (info->abfd, s) |
| 5076 | + bfd_section_size (info->abfd, s))) |
| 5077 | break; |
| 5078 | } |
| 5079 | |
| 5080 | if (s == NULL) |
| 5081 | { |
| 5082 | /* Just ignore this range. */ |
| 5083 | continue; |
| 5084 | } |
| 5085 | |
| 5086 | /* Coalesce ranges if it seems reasonable. */ |
| 5087 | while (r->next != NULL |
| 5088 | && high + 0x1000 >= r->next->low |
| 5089 | && (r->next->high |
| 5090 | <= (bfd_get_section_vma (info->abfd, s) |
| 5091 | + bfd_section_size (info->abfd, s)))) |
| 5092 | { |
| 5093 | r = r->next; |
| 5094 | high = r->high; |
| 5095 | } |
| 5096 | |
| 5097 | if ((s->flags & SEC_CODE) != 0) |
| 5098 | kind = 1; |
| 5099 | else if ((s->flags & SEC_READONLY) != 0) |
| 5100 | kind = 3; |
| 5101 | else |
| 5102 | kind = 2; |
| 5103 | |
| 5104 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 5105 | || ! ieee_write_byte (info, 11) |
| 5106 | || ! ieee_write_number (info, 0) |
| 5107 | || ! ieee_write_id (info, "") |
| 5108 | || ! ieee_write_number (info, kind) |
| 5109 | || ! ieee_write_number (info, s->index + IEEE_SECTION_NUMBER_BASE) |
| 5110 | || ! ieee_write_number (info, low) |
| 5111 | || ! ieee_write_byte (info, (int) ieee_be_record_enum) |
| 5112 | || ! ieee_write_number (info, high - low)) |
| 5113 | return false; |
| 5114 | |
| 5115 | /* Add this range to the list of global ranges. */ |
| 5116 | if (! ieee_add_range (info, true, low, high)) |
| 5117 | return false; |
| 5118 | } |
| 5119 | |
| 5120 | if (! ieee_write_byte (info, (int) ieee_be_record_enum)) |
| 5121 | return false; |
| 5122 | |
| 5123 | return true; |
| 5124 | } |
| 5125 | |
| 5126 | /* Add BB11 blocks describing each range that we have not already |
| 5127 | described. */ |
| 5128 | |
| 5129 | static void |
| 5130 | ieee_add_bb11_blocks (abfd, sec, data) |
| 5131 | bfd *abfd; |
| 5132 | asection *sec; |
| 5133 | PTR data; |
| 5134 | { |
| 5135 | struct ieee_handle *info = (struct ieee_handle *) data; |
| 5136 | bfd_vma low, high; |
| 5137 | struct ieee_range *r; |
| 5138 | |
| 5139 | low = bfd_get_section_vma (abfd, sec); |
| 5140 | high = low + bfd_section_size (abfd, sec); |
| 5141 | |
| 5142 | /* Find the first range at or after this section. The ranges are |
| 5143 | sorted by address. */ |
| 5144 | for (r = info->global_ranges; r != NULL; r = r->next) |
| 5145 | if (r->high > low) |
| 5146 | break; |
| 5147 | |
| 5148 | while (low < high) |
| 5149 | { |
| 5150 | if (r == NULL || r->low >= high) |
| 5151 | { |
| 5152 | if (! ieee_add_bb11 (info, sec, low, high)) |
| 5153 | info->error = true; |
| 5154 | return; |
| 5155 | } |
| 5156 | |
| 5157 | if (low < r->low |
| 5158 | && r->low - low > 0x100) |
| 5159 | { |
| 5160 | if (! ieee_add_bb11 (info, sec, low, r->low)) |
| 5161 | { |
| 5162 | info->error = true; |
| 5163 | return; |
| 5164 | } |
| 5165 | } |
| 5166 | low = r->high; |
| 5167 | |
| 5168 | r = r->next; |
| 5169 | } |
| 5170 | } |
| 5171 | |
| 5172 | /* Add a single BB11 block for a range. We add it to info->vars. */ |
| 5173 | |
| 5174 | static boolean |
| 5175 | ieee_add_bb11 (info, sec, low, high) |
| 5176 | struct ieee_handle *info; |
| 5177 | asection *sec; |
| 5178 | bfd_vma low; |
| 5179 | bfd_vma high; |
| 5180 | { |
| 5181 | int kind; |
| 5182 | |
| 5183 | if (! ieee_buffer_emptyp (&info->vars)) |
| 5184 | { |
| 5185 | if (! ieee_change_buffer (info, &info->vars)) |
| 5186 | return false; |
| 5187 | } |
| 5188 | else |
| 5189 | { |
| 5190 | const char *filename, *modname; |
| 5191 | char *c, *s; |
| 5192 | |
| 5193 | /* Start the enclosing BB10 block. */ |
| 5194 | filename = bfd_get_filename (info->abfd); |
| 5195 | modname = strrchr (filename, '/'); |
| 5196 | if (modname != NULL) |
| 5197 | ++modname; |
| 5198 | else |
| 5199 | { |
| 5200 | modname = strrchr (filename, '\\'); |
| 5201 | if (modname != NULL) |
| 5202 | ++modname; |
| 5203 | else |
| 5204 | modname = filename; |
| 5205 | } |
| 5206 | c = xstrdup (modname); |
| 5207 | s = strrchr (c, '.'); |
| 5208 | if (s != NULL) |
| 5209 | *s = '\0'; |
| 5210 | |
| 5211 | if (! ieee_change_buffer (info, &info->vars) |
| 5212 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 5213 | || ! ieee_write_byte (info, 10) |
| 5214 | || ! ieee_write_number (info, 0) |
| 5215 | || ! ieee_write_id (info, c) |
| 5216 | || ! ieee_write_id (info, "") |
| 5217 | || ! ieee_write_number (info, 0) |
| 5218 | || ! ieee_write_id (info, "GNU objcopy")) |
| 5219 | return false; |
| 5220 | |
| 5221 | free (c); |
| 5222 | } |
| 5223 | |
| 5224 | if ((sec->flags & SEC_CODE) != 0) |
| 5225 | kind = 1; |
| 5226 | else if ((sec->flags & SEC_READONLY) != 0) |
| 5227 | kind = 3; |
| 5228 | else |
| 5229 | kind = 2; |
| 5230 | |
| 5231 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 5232 | || ! ieee_write_byte (info, 11) |
| 5233 | || ! ieee_write_number (info, 0) |
| 5234 | || ! ieee_write_id (info, "") |
| 5235 | || ! ieee_write_number (info, kind) |
| 5236 | || ! ieee_write_number (info, sec->index + IEEE_SECTION_NUMBER_BASE) |
| 5237 | || ! ieee_write_number (info, low) |
| 5238 | || ! ieee_write_byte (info, (int) ieee_be_record_enum) |
| 5239 | || ! ieee_write_number (info, high - low)) |
| 5240 | return false; |
| 5241 | |
| 5242 | return true; |
| 5243 | } |
| 5244 | |
| 5245 | /* Start recording information from a particular source file. This is |
| 5246 | used to record which file defined which types, variables, etc. It |
| 5247 | is not used for line numbers, since the lineno entry point passes |
| 5248 | down the file name anyhow. IEEE debugging information doesn't seem |
| 5249 | to store this information anywhere. */ |
| 5250 | |
| 5251 | /*ARGSUSED*/ |
| 5252 | static boolean |
| 5253 | ieee_start_source (p, filename) |
| 5254 | PTR p; |
| 5255 | const char *filename; |
| 5256 | { |
| 5257 | return true; |
| 5258 | } |
| 5259 | |
| 5260 | /* Make an empty type. */ |
| 5261 | |
| 5262 | static boolean |
| 5263 | ieee_empty_type (p) |
| 5264 | PTR p; |
| 5265 | { |
| 5266 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5267 | |
| 5268 | return ieee_push_type (info, (int) builtin_unknown, 0, false, false); |
| 5269 | } |
| 5270 | |
| 5271 | /* Make a void type. */ |
| 5272 | |
| 5273 | static boolean |
| 5274 | ieee_void_type (p) |
| 5275 | PTR p; |
| 5276 | { |
| 5277 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5278 | |
| 5279 | return ieee_push_type (info, (int) builtin_void, 0, false, false); |
| 5280 | } |
| 5281 | |
| 5282 | /* Make an integer type. */ |
| 5283 | |
| 5284 | static boolean |
| 5285 | ieee_int_type (p, size, unsignedp) |
| 5286 | PTR p; |
| 5287 | unsigned int size; |
| 5288 | boolean unsignedp; |
| 5289 | { |
| 5290 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5291 | unsigned int indx; |
| 5292 | |
| 5293 | switch (size) |
| 5294 | { |
| 5295 | case 1: |
| 5296 | indx = (int) builtin_signed_char; |
| 5297 | break; |
| 5298 | case 2: |
| 5299 | indx = (int) builtin_signed_short_int; |
| 5300 | break; |
| 5301 | case 4: |
| 5302 | indx = (int) builtin_signed_long; |
| 5303 | break; |
| 5304 | case 8: |
| 5305 | indx = (int) builtin_signed_long_long; |
| 5306 | break; |
| 5307 | default: |
| 5308 | fprintf (stderr, "IEEE unsupported integer type size %u\n", size); |
| 5309 | return false; |
| 5310 | } |
| 5311 | |
| 5312 | if (unsignedp) |
| 5313 | ++indx; |
| 5314 | |
| 5315 | return ieee_push_type (info, indx, size, unsignedp, false); |
| 5316 | } |
| 5317 | |
| 5318 | /* Make a floating point type. */ |
| 5319 | |
| 5320 | static boolean |
| 5321 | ieee_float_type (p, size) |
| 5322 | PTR p; |
| 5323 | unsigned int size; |
| 5324 | { |
| 5325 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5326 | unsigned int indx; |
| 5327 | |
| 5328 | switch (size) |
| 5329 | { |
| 5330 | case 4: |
| 5331 | indx = (int) builtin_float; |
| 5332 | break; |
| 5333 | case 8: |
| 5334 | indx = (int) builtin_double; |
| 5335 | break; |
| 5336 | case 12: |
| 5337 | /* FIXME: This size really depends upon the processor. */ |
| 5338 | indx = (int) builtin_long_double; |
| 5339 | break; |
| 5340 | case 16: |
| 5341 | indx = (int) builtin_long_long_double; |
| 5342 | break; |
| 5343 | default: |
| 5344 | fprintf (stderr, "IEEE unsupported float type size %u\n", size); |
| 5345 | return false; |
| 5346 | } |
| 5347 | |
| 5348 | return ieee_push_type (info, indx, size, false, false); |
| 5349 | } |
| 5350 | |
| 5351 | /* Make a complex type. */ |
| 5352 | |
| 5353 | static boolean |
| 5354 | ieee_complex_type (p, size) |
| 5355 | PTR p; |
| 5356 | unsigned int size; |
| 5357 | { |
| 5358 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5359 | char code; |
| 5360 | |
| 5361 | switch (size) |
| 5362 | { |
| 5363 | case 4: |
| 5364 | if (info->complex_float_index != 0) |
| 5365 | return ieee_push_type (info, info->complex_float_index, size * 2, |
| 5366 | false, false); |
| 5367 | code = 'c'; |
| 5368 | break; |
| 5369 | case 12: |
| 5370 | case 16: |
| 5371 | /* These cases can be output by gcc -gstabs. Outputting the |
| 5372 | wrong type is better than crashing. */ |
| 5373 | case 8: |
| 5374 | if (info->complex_double_index != 0) |
| 5375 | return ieee_push_type (info, info->complex_double_index, size * 2, |
| 5376 | false, false); |
| 5377 | code = 'd'; |
| 5378 | break; |
| 5379 | default: |
| 5380 | fprintf (stderr, "IEEE unsupported complex type size %u\n", size); |
| 5381 | return false; |
| 5382 | } |
| 5383 | |
| 5384 | /* FIXME: I don't know what the string is for. */ |
| 5385 | if (! ieee_define_type (info, size * 2, false, false) |
| 5386 | || ! ieee_write_number (info, code) |
| 5387 | || ! ieee_write_id (info, "")) |
| 5388 | return false; |
| 5389 | |
| 5390 | if (size == 4) |
| 5391 | info->complex_float_index = info->type_stack->type.indx; |
| 5392 | else |
| 5393 | info->complex_double_index = info->type_stack->type.indx; |
| 5394 | |
| 5395 | return true; |
| 5396 | } |
| 5397 | |
| 5398 | /* Make a boolean type. IEEE doesn't support these, so we just make |
| 5399 | an integer type instead. */ |
| 5400 | |
| 5401 | static boolean |
| 5402 | ieee_bool_type (p, size) |
| 5403 | PTR p; |
| 5404 | unsigned int size; |
| 5405 | { |
| 5406 | return ieee_int_type (p, size, true); |
| 5407 | } |
| 5408 | |
| 5409 | /* Make an enumeration. */ |
| 5410 | |
| 5411 | static boolean |
| 5412 | ieee_enum_type (p, tag, names, vals) |
| 5413 | PTR p; |
| 5414 | const char *tag; |
| 5415 | const char **names; |
| 5416 | bfd_signed_vma *vals; |
| 5417 | { |
| 5418 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5419 | struct ieee_defined_enum *e; |
| 5420 | boolean localp, simple; |
| 5421 | unsigned int indx; |
| 5422 | int i; |
| 5423 | |
| 5424 | localp = false; |
| 5425 | indx = (unsigned int) -1; |
| 5426 | for (e = info->enums; e != NULL; e = e->next) |
| 5427 | { |
| 5428 | if (tag == NULL) |
| 5429 | { |
| 5430 | if (e->tag != NULL) |
| 5431 | continue; |
| 5432 | } |
| 5433 | else |
| 5434 | { |
| 5435 | if (e->tag == NULL |
| 5436 | || tag[0] != e->tag[0] |
| 5437 | || strcmp (tag, e->tag) != 0) |
| 5438 | continue; |
| 5439 | } |
| 5440 | |
| 5441 | if (! e->defined) |
| 5442 | { |
| 5443 | /* This enum tag has been seen but not defined. */ |
| 5444 | indx = e->indx; |
| 5445 | break; |
| 5446 | } |
| 5447 | |
| 5448 | if (names != NULL && e->names != NULL) |
| 5449 | { |
| 5450 | for (i = 0; names[i] != NULL && e->names[i] != NULL; i++) |
| 5451 | { |
| 5452 | if (names[i][0] != e->names[i][0] |
| 5453 | || vals[i] != e->vals[i] |
| 5454 | || strcmp (names[i], e->names[i]) != 0) |
| 5455 | break; |
| 5456 | } |
| 5457 | } |
| 5458 | |
| 5459 | if ((names == NULL && e->names == NULL) |
| 5460 | || (names != NULL |
| 5461 | && e->names != NULL |
| 5462 | && names[i] == NULL |
| 5463 | && e->names[i] == NULL)) |
| 5464 | { |
| 5465 | /* We've seen this enum before. */ |
| 5466 | return ieee_push_type (info, e->indx, 0, true, false); |
| 5467 | } |
| 5468 | |
| 5469 | if (tag != NULL) |
| 5470 | { |
| 5471 | /* We've already seen an enum of the same name, so we must make |
| 5472 | sure to output this one locally. */ |
| 5473 | localp = true; |
| 5474 | break; |
| 5475 | } |
| 5476 | } |
| 5477 | |
| 5478 | /* If this is a simple enumeration, in which the values start at 0 |
| 5479 | and always increment by 1, we can use type E. Otherwise we must |
| 5480 | use type N. */ |
| 5481 | |
| 5482 | simple = true; |
| 5483 | if (names != NULL) |
| 5484 | { |
| 5485 | for (i = 0; names[i] != NULL; i++) |
| 5486 | { |
| 5487 | if (vals[i] != i) |
| 5488 | { |
| 5489 | simple = false; |
| 5490 | break; |
| 5491 | } |
| 5492 | } |
| 5493 | } |
| 5494 | |
| 5495 | if (! ieee_define_named_type (info, tag, indx, 0, true, localp, |
| 5496 | (struct ieee_buflist *) NULL) |
| 5497 | || ! ieee_write_number (info, simple ? 'E' : 'N')) |
| 5498 | return false; |
| 5499 | if (simple) |
| 5500 | { |
| 5501 | /* FIXME: This is supposed to be the enumeration size, but we |
| 5502 | don't store that. */ |
| 5503 | if (! ieee_write_number (info, 4)) |
| 5504 | return false; |
| 5505 | } |
| 5506 | if (names != NULL) |
| 5507 | { |
| 5508 | for (i = 0; names[i] != NULL; i++) |
| 5509 | { |
| 5510 | if (! ieee_write_id (info, names[i])) |
| 5511 | return false; |
| 5512 | if (! simple) |
| 5513 | { |
| 5514 | if (! ieee_write_number (info, vals[i])) |
| 5515 | return false; |
| 5516 | } |
| 5517 | } |
| 5518 | } |
| 5519 | |
| 5520 | if (! localp) |
| 5521 | { |
| 5522 | if (indx == (unsigned int) -1) |
| 5523 | { |
| 5524 | e = (struct ieee_defined_enum *) xmalloc (sizeof *e); |
| 5525 | memset (e, 0, sizeof *e); |
| 5526 | e->indx = info->type_stack->type.indx; |
| 5527 | e->tag = tag; |
| 5528 | |
| 5529 | e->next = info->enums; |
| 5530 | info->enums = e; |
| 5531 | } |
| 5532 | |
| 5533 | e->names = names; |
| 5534 | e->vals = vals; |
| 5535 | e->defined = true; |
| 5536 | } |
| 5537 | |
| 5538 | return true; |
| 5539 | } |
| 5540 | |
| 5541 | /* Make a pointer type. */ |
| 5542 | |
| 5543 | static boolean |
| 5544 | ieee_pointer_type (p) |
| 5545 | PTR p; |
| 5546 | { |
| 5547 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5548 | boolean localp; |
| 5549 | unsigned int indx; |
| 5550 | struct ieee_modified_type *m = NULL; |
| 5551 | |
| 5552 | localp = info->type_stack->type.localp; |
| 5553 | indx = ieee_pop_type (info); |
| 5554 | |
| 5555 | /* A pointer to a simple builtin type can be obtained by adding 32. |
| 5556 | FIXME: Will this be a short pointer, and will that matter? */ |
| 5557 | if (indx < 32) |
| 5558 | return ieee_push_type (info, indx + 32, 0, true, false); |
| 5559 | |
| 5560 | if (! localp) |
| 5561 | { |
| 5562 | m = ieee_get_modified_info (p, indx); |
| 5563 | if (m == NULL) |
| 5564 | return false; |
| 5565 | |
| 5566 | /* FIXME: The size should depend upon the architecture. */ |
| 5567 | if (m->pointer > 0) |
| 5568 | return ieee_push_type (info, m->pointer, 4, true, false); |
| 5569 | } |
| 5570 | |
| 5571 | if (! ieee_define_type (info, 4, true, localp) |
| 5572 | || ! ieee_write_number (info, 'P') |
| 5573 | || ! ieee_write_number (info, indx)) |
| 5574 | return false; |
| 5575 | |
| 5576 | if (! localp) |
| 5577 | m->pointer = info->type_stack->type.indx; |
| 5578 | |
| 5579 | return true; |
| 5580 | } |
| 5581 | |
| 5582 | /* Make a function type. This will be called for a method, but we |
| 5583 | don't want to actually add it to the type table in that case. We |
| 5584 | handle this by defining the type in a private buffer, and only |
| 5585 | adding that buffer to the typedef block if we are going to use it. */ |
| 5586 | |
| 5587 | static boolean |
| 5588 | ieee_function_type (p, argcount, varargs) |
| 5589 | PTR p; |
| 5590 | int argcount; |
| 5591 | boolean varargs; |
| 5592 | { |
| 5593 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5594 | boolean localp; |
| 5595 | unsigned int *args = NULL; |
| 5596 | int i; |
| 5597 | unsigned int retindx; |
| 5598 | struct ieee_buflist fndef; |
| 5599 | struct ieee_modified_type *m; |
| 5600 | |
| 5601 | localp = false; |
| 5602 | |
| 5603 | if (argcount > 0) |
| 5604 | { |
| 5605 | args = (unsigned int *) xmalloc (argcount * sizeof *args); |
| 5606 | for (i = argcount - 1; i >= 0; i--) |
| 5607 | { |
| 5608 | if (info->type_stack->type.localp) |
| 5609 | localp = true; |
| 5610 | args[i] = ieee_pop_type (info); |
| 5611 | } |
| 5612 | } |
| 5613 | else if (argcount < 0) |
| 5614 | varargs = false; |
| 5615 | |
| 5616 | if (info->type_stack->type.localp) |
| 5617 | localp = true; |
| 5618 | retindx = ieee_pop_type (info); |
| 5619 | |
| 5620 | m = NULL; |
| 5621 | if (argcount < 0 && ! localp) |
| 5622 | { |
| 5623 | m = ieee_get_modified_info (p, retindx); |
| 5624 | if (m == NULL) |
| 5625 | return false; |
| 5626 | |
| 5627 | if (m->function > 0) |
| 5628 | return ieee_push_type (info, m->function, 0, true, false); |
| 5629 | } |
| 5630 | |
| 5631 | /* An attribute of 0x41 means that the frame and push mask are |
| 5632 | unknown. */ |
| 5633 | if (! ieee_init_buffer (info, &fndef) |
| 5634 | || ! ieee_define_named_type (info, (const char *) NULL, |
| 5635 | (unsigned int) -1, 0, true, localp, |
| 5636 | &fndef) |
| 5637 | || ! ieee_write_number (info, 'x') |
| 5638 | || ! ieee_write_number (info, 0x41) |
| 5639 | || ! ieee_write_number (info, 0) |
| 5640 | || ! ieee_write_number (info, 0) |
| 5641 | || ! ieee_write_number (info, retindx) |
| 5642 | || ! ieee_write_number (info, (bfd_vma) argcount + (varargs ? 1 : 0))) |
| 5643 | return false; |
| 5644 | if (argcount > 0) |
| 5645 | { |
| 5646 | for (i = 0; i < argcount; i++) |
| 5647 | if (! ieee_write_number (info, args[i])) |
| 5648 | return false; |
| 5649 | free (args); |
| 5650 | } |
| 5651 | if (varargs) |
| 5652 | { |
| 5653 | /* A varargs function is represented by writing out the last |
| 5654 | argument as type void *, although this makes little sense. */ |
| 5655 | if (! ieee_write_number (info, (bfd_vma) builtin_void + 32)) |
| 5656 | return false; |
| 5657 | } |
| 5658 | |
| 5659 | if (! ieee_write_number (info, 0)) |
| 5660 | return false; |
| 5661 | |
| 5662 | /* We wrote the information into fndef, in case we don't need it. |
| 5663 | It will be appended to info->types by ieee_pop_type. */ |
| 5664 | info->type_stack->type.fndef = fndef; |
| 5665 | |
| 5666 | if (m != NULL) |
| 5667 | m->function = info->type_stack->type.indx; |
| 5668 | |
| 5669 | return true; |
| 5670 | } |
| 5671 | |
| 5672 | /* Make a reference type. */ |
| 5673 | |
| 5674 | static boolean |
| 5675 | ieee_reference_type (p) |
| 5676 | PTR p; |
| 5677 | { |
| 5678 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5679 | |
| 5680 | /* IEEE appears to record a normal pointer type, and then use a |
| 5681 | pmisc record to indicate that it is really a reference. */ |
| 5682 | |
| 5683 | if (! ieee_pointer_type (p)) |
| 5684 | return false; |
| 5685 | info->type_stack->type.referencep = true; |
| 5686 | return true; |
| 5687 | } |
| 5688 | |
| 5689 | /* Make a range type. */ |
| 5690 | |
| 5691 | static boolean |
| 5692 | ieee_range_type (p, low, high) |
| 5693 | PTR p; |
| 5694 | bfd_signed_vma low; |
| 5695 | bfd_signed_vma high; |
| 5696 | { |
| 5697 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5698 | unsigned int size; |
| 5699 | boolean unsignedp, localp; |
| 5700 | |
| 5701 | size = info->type_stack->type.size; |
| 5702 | unsignedp = info->type_stack->type.unsignedp; |
| 5703 | localp = info->type_stack->type.localp; |
| 5704 | ieee_pop_unused_type (info); |
| 5705 | return (ieee_define_type (info, size, unsignedp, localp) |
| 5706 | && ieee_write_number (info, 'R') |
| 5707 | && ieee_write_number (info, (bfd_vma) low) |
| 5708 | && ieee_write_number (info, (bfd_vma) high) |
| 5709 | && ieee_write_number (info, unsignedp ? 0 : 1) |
| 5710 | && ieee_write_number (info, size)); |
| 5711 | } |
| 5712 | |
| 5713 | /* Make an array type. */ |
| 5714 | |
| 5715 | /*ARGSUSED*/ |
| 5716 | static boolean |
| 5717 | ieee_array_type (p, low, high, stringp) |
| 5718 | PTR p; |
| 5719 | bfd_signed_vma low; |
| 5720 | bfd_signed_vma high; |
| 5721 | boolean stringp; |
| 5722 | { |
| 5723 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5724 | unsigned int eleindx; |
| 5725 | boolean localp; |
| 5726 | unsigned int size; |
| 5727 | struct ieee_modified_type *m = NULL; |
| 5728 | struct ieee_modified_array_type *a; |
| 5729 | |
| 5730 | /* IEEE does not store the range, so we just ignore it. */ |
| 5731 | ieee_pop_unused_type (info); |
| 5732 | localp = info->type_stack->type.localp; |
| 5733 | size = info->type_stack->type.size; |
| 5734 | eleindx = ieee_pop_type (info); |
| 5735 | |
| 5736 | /* If we don't know the range, treat the size as exactly one |
| 5737 | element. */ |
| 5738 | if (low < high) |
| 5739 | size *= (high - low) + 1; |
| 5740 | |
| 5741 | if (! localp) |
| 5742 | { |
| 5743 | m = ieee_get_modified_info (info, eleindx); |
| 5744 | if (m == NULL) |
| 5745 | return false; |
| 5746 | |
| 5747 | for (a = m->arrays; a != NULL; a = a->next) |
| 5748 | { |
| 5749 | if (a->low == low && a->high == high) |
| 5750 | return ieee_push_type (info, a->indx, size, false, false); |
| 5751 | } |
| 5752 | } |
| 5753 | |
| 5754 | if (! ieee_define_type (info, size, false, localp) |
| 5755 | || ! ieee_write_number (info, low == 0 ? 'Z' : 'C') |
| 5756 | || ! ieee_write_number (info, eleindx)) |
| 5757 | return false; |
| 5758 | if (low != 0) |
| 5759 | { |
| 5760 | if (! ieee_write_number (info, low)) |
| 5761 | return false; |
| 5762 | } |
| 5763 | |
| 5764 | if (! ieee_write_number (info, high + 1)) |
| 5765 | return false; |
| 5766 | |
| 5767 | if (! localp) |
| 5768 | { |
| 5769 | a = (struct ieee_modified_array_type *) xmalloc (sizeof *a); |
| 5770 | memset (a, 0, sizeof *a); |
| 5771 | |
| 5772 | a->indx = info->type_stack->type.indx; |
| 5773 | a->low = low; |
| 5774 | a->high = high; |
| 5775 | |
| 5776 | a->next = m->arrays; |
| 5777 | m->arrays = a; |
| 5778 | } |
| 5779 | |
| 5780 | return true; |
| 5781 | } |
| 5782 | |
| 5783 | /* Make a set type. */ |
| 5784 | |
| 5785 | static boolean |
| 5786 | ieee_set_type (p, bitstringp) |
| 5787 | PTR p; |
| 5788 | boolean bitstringp; |
| 5789 | { |
| 5790 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5791 | boolean localp; |
| 5792 | unsigned int eleindx; |
| 5793 | |
| 5794 | localp = info->type_stack->type.localp; |
| 5795 | eleindx = ieee_pop_type (info); |
| 5796 | |
| 5797 | /* FIXME: We don't know the size, so we just use 4. */ |
| 5798 | |
| 5799 | return (ieee_define_type (info, 0, true, localp) |
| 5800 | && ieee_write_number (info, 's') |
| 5801 | && ieee_write_number (info, 4) |
| 5802 | && ieee_write_number (info, eleindx)); |
| 5803 | } |
| 5804 | |
| 5805 | /* Make an offset type. */ |
| 5806 | |
| 5807 | static boolean |
| 5808 | ieee_offset_type (p) |
| 5809 | PTR p; |
| 5810 | { |
| 5811 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5812 | unsigned int targetindx, baseindx; |
| 5813 | |
| 5814 | targetindx = ieee_pop_type (info); |
| 5815 | baseindx = ieee_pop_type (info); |
| 5816 | |
| 5817 | /* FIXME: The MRI C++ compiler does not appear to generate any |
| 5818 | useful type information about an offset type. It just records a |
| 5819 | pointer to member as an integer. The MRI/HP IEEE spec does |
| 5820 | describe a pmisc record which can be used for a pointer to |
| 5821 | member. Unfortunately, it does not describe the target type, |
| 5822 | which seems pretty important. I'm going to punt this for now. */ |
| 5823 | |
| 5824 | return ieee_int_type (p, 4, true); |
| 5825 | } |
| 5826 | |
| 5827 | /* Make a method type. */ |
| 5828 | |
| 5829 | static boolean |
| 5830 | ieee_method_type (p, domain, argcount, varargs) |
| 5831 | PTR p; |
| 5832 | boolean domain; |
| 5833 | int argcount; |
| 5834 | boolean varargs; |
| 5835 | { |
| 5836 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5837 | |
| 5838 | /* FIXME: The MRI/HP IEEE spec defines a pmisc record to use for a |
| 5839 | method, but the definition is incomplete. We just output an 'x' |
| 5840 | type. */ |
| 5841 | |
| 5842 | if (domain) |
| 5843 | ieee_pop_unused_type (info); |
| 5844 | |
| 5845 | return ieee_function_type (p, argcount, varargs); |
| 5846 | } |
| 5847 | |
| 5848 | /* Make a const qualified type. */ |
| 5849 | |
| 5850 | static boolean |
| 5851 | ieee_const_type (p) |
| 5852 | PTR p; |
| 5853 | { |
| 5854 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5855 | unsigned int size; |
| 5856 | boolean unsignedp, localp; |
| 5857 | unsigned int indx; |
| 5858 | struct ieee_modified_type *m = NULL; |
| 5859 | |
| 5860 | size = info->type_stack->type.size; |
| 5861 | unsignedp = info->type_stack->type.unsignedp; |
| 5862 | localp = info->type_stack->type.localp; |
| 5863 | indx = ieee_pop_type (info); |
| 5864 | |
| 5865 | if (! localp) |
| 5866 | { |
| 5867 | m = ieee_get_modified_info (info, indx); |
| 5868 | if (m == NULL) |
| 5869 | return false; |
| 5870 | |
| 5871 | if (m->const_qualified > 0) |
| 5872 | return ieee_push_type (info, m->const_qualified, size, unsignedp, |
| 5873 | false); |
| 5874 | } |
| 5875 | |
| 5876 | if (! ieee_define_type (info, size, unsignedp, localp) |
| 5877 | || ! ieee_write_number (info, 'n') |
| 5878 | || ! ieee_write_number (info, 1) |
| 5879 | || ! ieee_write_number (info, indx)) |
| 5880 | return false; |
| 5881 | |
| 5882 | if (! localp) |
| 5883 | m->const_qualified = info->type_stack->type.indx; |
| 5884 | |
| 5885 | return true; |
| 5886 | } |
| 5887 | |
| 5888 | /* Make a volatile qualified type. */ |
| 5889 | |
| 5890 | static boolean |
| 5891 | ieee_volatile_type (p) |
| 5892 | PTR p; |
| 5893 | { |
| 5894 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5895 | unsigned int size; |
| 5896 | boolean unsignedp, localp; |
| 5897 | unsigned int indx; |
| 5898 | struct ieee_modified_type *m = NULL; |
| 5899 | |
| 5900 | size = info->type_stack->type.size; |
| 5901 | unsignedp = info->type_stack->type.unsignedp; |
| 5902 | localp = info->type_stack->type.localp; |
| 5903 | indx = ieee_pop_type (info); |
| 5904 | |
| 5905 | if (! localp) |
| 5906 | { |
| 5907 | m = ieee_get_modified_info (info, indx); |
| 5908 | if (m == NULL) |
| 5909 | return false; |
| 5910 | |
| 5911 | if (m->volatile_qualified > 0) |
| 5912 | return ieee_push_type (info, m->volatile_qualified, size, unsignedp, |
| 5913 | false); |
| 5914 | } |
| 5915 | |
| 5916 | if (! ieee_define_type (info, size, unsignedp, localp) |
| 5917 | || ! ieee_write_number (info, 'n') |
| 5918 | || ! ieee_write_number (info, 2) |
| 5919 | || ! ieee_write_number (info, indx)) |
| 5920 | return false; |
| 5921 | |
| 5922 | if (! localp) |
| 5923 | m->volatile_qualified = info->type_stack->type.indx; |
| 5924 | |
| 5925 | return true; |
| 5926 | } |
| 5927 | |
| 5928 | /* Convert an enum debug_visibility into a CXXFLAGS value. */ |
| 5929 | |
| 5930 | static unsigned int |
| 5931 | ieee_vis_to_flags (visibility) |
| 5932 | enum debug_visibility visibility; |
| 5933 | { |
| 5934 | switch (visibility) |
| 5935 | { |
| 5936 | default: |
| 5937 | abort (); |
| 5938 | case DEBUG_VISIBILITY_PUBLIC: |
| 5939 | return CXXFLAGS_VISIBILITY_PUBLIC; |
| 5940 | case DEBUG_VISIBILITY_PRIVATE: |
| 5941 | return CXXFLAGS_VISIBILITY_PRIVATE; |
| 5942 | case DEBUG_VISIBILITY_PROTECTED: |
| 5943 | return CXXFLAGS_VISIBILITY_PROTECTED; |
| 5944 | } |
| 5945 | /*NOTREACHED*/ |
| 5946 | } |
| 5947 | |
| 5948 | /* Start defining a struct type. We build it in the strdef field on |
| 5949 | the stack, to avoid confusing type definitions required by the |
| 5950 | fields with the struct type itself. */ |
| 5951 | |
| 5952 | static boolean |
| 5953 | ieee_start_struct_type (p, tag, id, structp, size) |
| 5954 | PTR p; |
| 5955 | const char *tag; |
| 5956 | unsigned int id; |
| 5957 | boolean structp; |
| 5958 | unsigned int size; |
| 5959 | { |
| 5960 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 5961 | boolean localp, ignorep; |
| 5962 | boolean copy; |
| 5963 | char ab[20]; |
| 5964 | const char *look; |
| 5965 | struct ieee_name_type_hash_entry *h; |
| 5966 | struct ieee_name_type *nt, *ntlook; |
| 5967 | struct ieee_buflist strdef; |
| 5968 | |
| 5969 | localp = false; |
| 5970 | ignorep = false; |
| 5971 | |
| 5972 | /* We need to create a tag for internal use even if we don't want |
| 5973 | one for external use. This will let us refer to an anonymous |
| 5974 | struct. */ |
| 5975 | if (tag != NULL) |
| 5976 | { |
| 5977 | look = tag; |
| 5978 | copy = false; |
| 5979 | } |
| 5980 | else |
| 5981 | { |
| 5982 | sprintf (ab, "__anon%u", id); |
| 5983 | look = ab; |
| 5984 | copy = true; |
| 5985 | } |
| 5986 | |
| 5987 | /* If we already have references to the tag, we must use the |
| 5988 | existing type index. */ |
| 5989 | h = ieee_name_type_hash_lookup (&info->tags, look, true, copy); |
| 5990 | if (h == NULL) |
| 5991 | return false; |
| 5992 | |
| 5993 | nt = NULL; |
| 5994 | for (ntlook = h->types; ntlook != NULL; ntlook = ntlook->next) |
| 5995 | { |
| 5996 | if (ntlook->id == id) |
| 5997 | nt = ntlook; |
| 5998 | else if (! ntlook->type.localp) |
| 5999 | { |
| 6000 | /* We are creating a duplicate definition of a globally |
| 6001 | defined tag. Force it to be local to avoid |
| 6002 | confusion. */ |
| 6003 | localp = true; |
| 6004 | } |
| 6005 | } |
| 6006 | |
| 6007 | if (nt != NULL) |
| 6008 | { |
| 6009 | assert (localp == nt->type.localp); |
| 6010 | if (nt->kind == DEBUG_KIND_ILLEGAL && ! localp) |
| 6011 | { |
| 6012 | /* We've already seen a global definition of the type. |
| 6013 | Ignore this new definition. */ |
| 6014 | ignorep = true; |
| 6015 | } |
| 6016 | } |
| 6017 | else |
| 6018 | { |
| 6019 | nt = (struct ieee_name_type *) xmalloc (sizeof *nt); |
| 6020 | memset (nt, 0, sizeof *nt); |
| 6021 | nt->id = id; |
| 6022 | nt->type.name = h->root.string; |
| 6023 | nt->next = h->types; |
| 6024 | h->types = nt; |
| 6025 | nt->type.indx = info->type_indx; |
| 6026 | ++info->type_indx; |
| 6027 | } |
| 6028 | |
| 6029 | nt->kind = DEBUG_KIND_ILLEGAL; |
| 6030 | |
| 6031 | if (! ieee_init_buffer (info, &strdef) |
| 6032 | || ! ieee_define_named_type (info, tag, nt->type.indx, size, true, |
| 6033 | localp, &strdef) |
| 6034 | || ! ieee_write_number (info, structp ? 'S' : 'U') |
| 6035 | || ! ieee_write_number (info, size)) |
| 6036 | return false; |
| 6037 | |
| 6038 | if (! ignorep) |
| 6039 | { |
| 6040 | const char *hold; |
| 6041 | |
| 6042 | /* We never want nt->type.name to be NULL. We want the rest of |
| 6043 | the type to be the object set up on the type stack; it will |
| 6044 | have a NULL name if tag is NULL. */ |
| 6045 | hold = nt->type.name; |
| 6046 | nt->type = info->type_stack->type; |
| 6047 | nt->type.name = hold; |
| 6048 | } |
| 6049 | |
| 6050 | info->type_stack->type.name = tag; |
| 6051 | info->type_stack->type.strdef = strdef; |
| 6052 | info->type_stack->type.ignorep = ignorep; |
| 6053 | |
| 6054 | return true; |
| 6055 | } |
| 6056 | |
| 6057 | /* Add a field to a struct. */ |
| 6058 | |
| 6059 | static boolean |
| 6060 | ieee_struct_field (p, name, bitpos, bitsize, visibility) |
| 6061 | PTR p; |
| 6062 | const char *name; |
| 6063 | bfd_vma bitpos; |
| 6064 | bfd_vma bitsize; |
| 6065 | enum debug_visibility visibility; |
| 6066 | { |
| 6067 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6068 | unsigned int size; |
| 6069 | boolean unsignedp; |
| 6070 | boolean referencep; |
| 6071 | boolean localp; |
| 6072 | unsigned int indx; |
| 6073 | bfd_vma offset; |
| 6074 | |
| 6075 | assert (info->type_stack != NULL |
| 6076 | && info->type_stack->next != NULL |
| 6077 | && ! ieee_buffer_emptyp (&info->type_stack->next->type.strdef)); |
| 6078 | |
| 6079 | /* If we are ignoring this struct definition, just pop and ignore |
| 6080 | the type. */ |
| 6081 | if (info->type_stack->next->type.ignorep) |
| 6082 | { |
| 6083 | ieee_pop_unused_type (info); |
| 6084 | return true; |
| 6085 | } |
| 6086 | |
| 6087 | size = info->type_stack->type.size; |
| 6088 | unsignedp = info->type_stack->type.unsignedp; |
| 6089 | referencep = info->type_stack->type.referencep; |
| 6090 | localp = info->type_stack->type.localp; |
| 6091 | indx = ieee_pop_type (info); |
| 6092 | |
| 6093 | if (localp) |
| 6094 | info->type_stack->type.localp = true; |
| 6095 | |
| 6096 | if (info->type_stack->type.classdef != NULL) |
| 6097 | { |
| 6098 | unsigned int flags; |
| 6099 | unsigned int nindx; |
| 6100 | |
| 6101 | /* This is a class. We must add a description of this field to |
| 6102 | the class records we are building. */ |
| 6103 | |
| 6104 | flags = ieee_vis_to_flags (visibility); |
| 6105 | nindx = info->type_stack->type.classdef->indx; |
| 6106 | if (! ieee_change_buffer (info, |
| 6107 | &info->type_stack->type.classdef->pmiscbuf) |
| 6108 | || ! ieee_write_asn (info, nindx, 'd') |
| 6109 | || ! ieee_write_asn (info, nindx, flags) |
| 6110 | || ! ieee_write_atn65 (info, nindx, name) |
| 6111 | || ! ieee_write_atn65 (info, nindx, name)) |
| 6112 | return false; |
| 6113 | info->type_stack->type.classdef->pmisccount += 4; |
| 6114 | |
| 6115 | if (referencep) |
| 6116 | { |
| 6117 | unsigned int nindx; |
| 6118 | |
| 6119 | /* We need to output a record recording that this field is |
| 6120 | really of reference type. We put this on the refs field |
| 6121 | of classdef, so that it can be appended to the C++ |
| 6122 | records after the class is defined. */ |
| 6123 | |
| 6124 | nindx = info->name_indx; |
| 6125 | ++info->name_indx; |
| 6126 | |
| 6127 | if (! ieee_change_buffer (info, |
| 6128 | &info->type_stack->type.classdef->refs) |
| 6129 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
| 6130 | || ! ieee_write_number (info, nindx) |
| 6131 | || ! ieee_write_id (info, "") |
| 6132 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 6133 | || ! ieee_write_number (info, nindx) |
| 6134 | || ! ieee_write_number (info, 0) |
| 6135 | || ! ieee_write_number (info, 62) |
| 6136 | || ! ieee_write_number (info, 80) |
| 6137 | || ! ieee_write_number (info, 4) |
| 6138 | || ! ieee_write_asn (info, nindx, 'R') |
| 6139 | || ! ieee_write_asn (info, nindx, 3) |
| 6140 | || ! ieee_write_atn65 (info, nindx, info->type_stack->type.name) |
| 6141 | || ! ieee_write_atn65 (info, nindx, name)) |
| 6142 | return false; |
| 6143 | } |
| 6144 | } |
| 6145 | |
| 6146 | /* If the bitsize doesn't match the expected size, we need to output |
| 6147 | a bitfield type. */ |
| 6148 | if (size == 0 || bitsize == 0 || bitsize == size * 8) |
| 6149 | offset = bitpos / 8; |
| 6150 | else |
| 6151 | { |
| 6152 | if (! ieee_define_type (info, 0, unsignedp, |
| 6153 | info->type_stack->type.localp) |
| 6154 | || ! ieee_write_number (info, 'g') |
| 6155 | || ! ieee_write_number (info, unsignedp ? 0 : 1) |
| 6156 | || ! ieee_write_number (info, bitsize) |
| 6157 | || ! ieee_write_number (info, indx)) |
| 6158 | return false; |
| 6159 | indx = ieee_pop_type (info); |
| 6160 | offset = bitpos; |
| 6161 | } |
| 6162 | |
| 6163 | /* Switch to the struct we are building in order to output this |
| 6164 | field definition. */ |
| 6165 | return (ieee_change_buffer (info, &info->type_stack->type.strdef) |
| 6166 | && ieee_write_id (info, name) |
| 6167 | && ieee_write_number (info, indx) |
| 6168 | && ieee_write_number (info, offset)); |
| 6169 | } |
| 6170 | |
| 6171 | /* Finish up a struct type. */ |
| 6172 | |
| 6173 | static boolean |
| 6174 | ieee_end_struct_type (p) |
| 6175 | PTR p; |
| 6176 | { |
| 6177 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6178 | struct ieee_buflist *pb; |
| 6179 | |
| 6180 | assert (info->type_stack != NULL |
| 6181 | && ! ieee_buffer_emptyp (&info->type_stack->type.strdef)); |
| 6182 | |
| 6183 | /* If we were ignoring this struct definition because it was a |
| 6184 | duplicate defintion, just through away whatever bytes we have |
| 6185 | accumulated. Leave the type on the stack. */ |
| 6186 | if (info->type_stack->type.ignorep) |
| 6187 | return true; |
| 6188 | |
| 6189 | /* If this is not a duplicate definition of this tag, then localp |
| 6190 | will be false, and we can put it in the global type block. |
| 6191 | FIXME: We should avoid outputting duplicate definitions which are |
| 6192 | the same. */ |
| 6193 | if (! info->type_stack->type.localp) |
| 6194 | { |
| 6195 | /* Make sure we have started the global type block. */ |
| 6196 | if (ieee_buffer_emptyp (&info->global_types)) |
| 6197 | { |
| 6198 | if (! ieee_change_buffer (info, &info->global_types) |
| 6199 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 6200 | || ! ieee_write_byte (info, 2) |
| 6201 | || ! ieee_write_number (info, 0) |
| 6202 | || ! ieee_write_id (info, "")) |
| 6203 | return false; |
| 6204 | } |
| 6205 | pb = &info->global_types; |
| 6206 | } |
| 6207 | else |
| 6208 | { |
| 6209 | /* Make sure we have started the types block. */ |
| 6210 | if (ieee_buffer_emptyp (&info->types)) |
| 6211 | { |
| 6212 | if (! ieee_change_buffer (info, &info->types) |
| 6213 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 6214 | || ! ieee_write_byte (info, 1) |
| 6215 | || ! ieee_write_number (info, 0) |
| 6216 | || ! ieee_write_id (info, info->modname)) |
| 6217 | return false; |
| 6218 | } |
| 6219 | pb = &info->types; |
| 6220 | } |
| 6221 | |
| 6222 | /* Append the struct definition to the types. */ |
| 6223 | if (! ieee_append_buffer (info, pb, &info->type_stack->type.strdef) |
| 6224 | || ! ieee_init_buffer (info, &info->type_stack->type.strdef)) |
| 6225 | return false; |
| 6226 | |
| 6227 | /* Leave the struct on the type stack. */ |
| 6228 | |
| 6229 | return true; |
| 6230 | } |
| 6231 | |
| 6232 | /* Start a class type. */ |
| 6233 | |
| 6234 | static boolean |
| 6235 | ieee_start_class_type (p, tag, id, structp, size, vptr, ownvptr) |
| 6236 | PTR p; |
| 6237 | const char *tag; |
| 6238 | unsigned int id; |
| 6239 | boolean structp; |
| 6240 | unsigned int size; |
| 6241 | boolean vptr; |
| 6242 | boolean ownvptr; |
| 6243 | { |
| 6244 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6245 | const char *vclass; |
| 6246 | struct ieee_buflist pmiscbuf; |
| 6247 | unsigned int indx; |
| 6248 | struct ieee_type_class *classdef; |
| 6249 | |
| 6250 | /* A C++ class is output as a C++ struct along with a set of pmisc |
| 6251 | records describing the class. */ |
| 6252 | |
| 6253 | /* We need to have a name so that we can associate the struct and |
| 6254 | the class. */ |
| 6255 | if (tag == NULL) |
| 6256 | { |
| 6257 | char *t; |
| 6258 | |
| 6259 | t = (char *) xmalloc (20); |
| 6260 | sprintf (t, "__anon%u", id); |
| 6261 | tag = t; |
| 6262 | } |
| 6263 | |
| 6264 | /* We can't write out the virtual table information until we have |
| 6265 | finished the class, because we don't know the virtual table size. |
| 6266 | We get the size from the largest voffset we see. */ |
| 6267 | vclass = NULL; |
| 6268 | if (vptr && ! ownvptr) |
| 6269 | { |
| 6270 | vclass = info->type_stack->type.name; |
| 6271 | assert (vclass != NULL); |
| 6272 | /* We don't call ieee_pop_unused_type, since the class should |
| 6273 | get defined. */ |
| 6274 | (void) ieee_pop_type (info); |
| 6275 | } |
| 6276 | |
| 6277 | if (! ieee_start_struct_type (p, tag, id, structp, size)) |
| 6278 | return false; |
| 6279 | |
| 6280 | indx = info->name_indx; |
| 6281 | ++info->name_indx; |
| 6282 | |
| 6283 | /* We write out pmisc records into the classdef field. We will |
| 6284 | write out the pmisc start after we know the number of records we |
| 6285 | need. */ |
| 6286 | if (! ieee_init_buffer (info, &pmiscbuf) |
| 6287 | || ! ieee_change_buffer (info, &pmiscbuf) |
| 6288 | || ! ieee_write_asn (info, indx, 'T') |
| 6289 | || ! ieee_write_asn (info, indx, structp ? 'o' : 'u') |
| 6290 | || ! ieee_write_atn65 (info, indx, tag)) |
| 6291 | return false; |
| 6292 | |
| 6293 | classdef = (struct ieee_type_class *) xmalloc (sizeof *classdef); |
| 6294 | memset (classdef, 0, sizeof *classdef); |
| 6295 | |
| 6296 | classdef->indx = indx; |
| 6297 | classdef->pmiscbuf = pmiscbuf; |
| 6298 | classdef->pmisccount = 3; |
| 6299 | classdef->vclass = vclass; |
| 6300 | classdef->ownvptr = ownvptr; |
| 6301 | |
| 6302 | info->type_stack->type.classdef = classdef; |
| 6303 | |
| 6304 | return true; |
| 6305 | } |
| 6306 | |
| 6307 | /* Add a static member to a class. */ |
| 6308 | |
| 6309 | static boolean |
| 6310 | ieee_class_static_member (p, name, physname, visibility) |
| 6311 | PTR p; |
| 6312 | const char *name; |
| 6313 | const char *physname; |
| 6314 | enum debug_visibility visibility; |
| 6315 | { |
| 6316 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6317 | unsigned int flags; |
| 6318 | unsigned int nindx; |
| 6319 | |
| 6320 | /* We don't care about the type. Hopefully there will be a call to |
| 6321 | ieee_variable declaring the physical name and the type, since |
| 6322 | that is where an IEEE consumer must get the type. */ |
| 6323 | ieee_pop_unused_type (info); |
| 6324 | |
| 6325 | assert (info->type_stack != NULL |
| 6326 | && info->type_stack->type.classdef != NULL); |
| 6327 | |
| 6328 | flags = ieee_vis_to_flags (visibility); |
| 6329 | flags |= CXXFLAGS_STATIC; |
| 6330 | |
| 6331 | nindx = info->type_stack->type.classdef->indx; |
| 6332 | |
| 6333 | if (! ieee_change_buffer (info, &info->type_stack->type.classdef->pmiscbuf) |
| 6334 | || ! ieee_write_asn (info, nindx, 'd') |
| 6335 | || ! ieee_write_asn (info, nindx, flags) |
| 6336 | || ! ieee_write_atn65 (info, nindx, name) |
| 6337 | || ! ieee_write_atn65 (info, nindx, physname)) |
| 6338 | return false; |
| 6339 | info->type_stack->type.classdef->pmisccount += 4; |
| 6340 | |
| 6341 | return true; |
| 6342 | } |
| 6343 | |
| 6344 | /* Add a base class to a class. */ |
| 6345 | |
| 6346 | static boolean |
| 6347 | ieee_class_baseclass (p, bitpos, virtual, visibility) |
| 6348 | PTR p; |
| 6349 | bfd_vma bitpos; |
| 6350 | boolean virtual; |
| 6351 | enum debug_visibility visibility; |
| 6352 | { |
| 6353 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6354 | const char *bname; |
| 6355 | boolean localp; |
| 6356 | unsigned int bindx; |
| 6357 | char *fname; |
| 6358 | unsigned int flags; |
| 6359 | unsigned int nindx; |
| 6360 | |
| 6361 | assert (info->type_stack != NULL |
| 6362 | && info->type_stack->type.name != NULL |
| 6363 | && info->type_stack->next != NULL |
| 6364 | && info->type_stack->next->type.classdef != NULL |
| 6365 | && ! ieee_buffer_emptyp (&info->type_stack->next->type.strdef)); |
| 6366 | |
| 6367 | bname = info->type_stack->type.name; |
| 6368 | localp = info->type_stack->type.localp; |
| 6369 | bindx = ieee_pop_type (info); |
| 6370 | |
| 6371 | /* We are currently defining both a struct and a class. We must |
| 6372 | write out a field definition in the struct which holds the base |
| 6373 | class. The stabs debugging reader will create a field named |
| 6374 | _vb$CLASS for a virtual base class, so we just use that. FIXME: |
| 6375 | we should not depend upon a detail of stabs debugging. */ |
| 6376 | if (virtual) |
| 6377 | { |
| 6378 | fname = (char *) xmalloc (strlen (bname) + sizeof "_vb$"); |
| 6379 | sprintf (fname, "_vb$%s", bname); |
| 6380 | flags = BASEFLAGS_VIRTUAL; |
| 6381 | } |
| 6382 | else |
| 6383 | { |
| 6384 | if (localp) |
| 6385 | info->type_stack->type.localp = true; |
| 6386 | |
| 6387 | fname = (char *) xmalloc (strlen (bname) + sizeof "_b$"); |
| 6388 | sprintf (fname, "_b$%s", bname); |
| 6389 | |
| 6390 | if (! ieee_change_buffer (info, &info->type_stack->type.strdef) |
| 6391 | || ! ieee_write_id (info, fname) |
| 6392 | || ! ieee_write_number (info, bindx) |
| 6393 | || ! ieee_write_number (info, bitpos / 8)) |
| 6394 | return false; |
| 6395 | flags = 0; |
| 6396 | } |
| 6397 | |
| 6398 | if (visibility == DEBUG_VISIBILITY_PRIVATE) |
| 6399 | flags |= BASEFLAGS_PRIVATE; |
| 6400 | |
| 6401 | nindx = info->type_stack->type.classdef->indx; |
| 6402 | |
| 6403 | if (! ieee_change_buffer (info, &info->type_stack->type.classdef->pmiscbuf) |
| 6404 | || ! ieee_write_asn (info, nindx, 'b') |
| 6405 | || ! ieee_write_asn (info, nindx, flags) |
| 6406 | || ! ieee_write_atn65 (info, nindx, bname) |
| 6407 | || ! ieee_write_asn (info, nindx, 0) |
| 6408 | || ! ieee_write_atn65 (info, nindx, fname)) |
| 6409 | return false; |
| 6410 | info->type_stack->type.classdef->pmisccount += 5; |
| 6411 | |
| 6412 | free (fname); |
| 6413 | |
| 6414 | return true; |
| 6415 | } |
| 6416 | |
| 6417 | /* Start building a method for a class. */ |
| 6418 | |
| 6419 | static boolean |
| 6420 | ieee_class_start_method (p, name) |
| 6421 | PTR p; |
| 6422 | const char *name; |
| 6423 | { |
| 6424 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6425 | |
| 6426 | assert (info->type_stack != NULL |
| 6427 | && info->type_stack->type.classdef != NULL |
| 6428 | && info->type_stack->type.classdef->method == NULL); |
| 6429 | |
| 6430 | info->type_stack->type.classdef->method = name; |
| 6431 | |
| 6432 | return true; |
| 6433 | } |
| 6434 | |
| 6435 | /* Define a new method variant, either static or not. */ |
| 6436 | |
| 6437 | static boolean |
| 6438 | ieee_class_method_var (info, physname, visibility, staticp, constp, |
| 6439 | volatilep, voffset, context) |
| 6440 | struct ieee_handle *info; |
| 6441 | const char *physname; |
| 6442 | enum debug_visibility visibility; |
| 6443 | boolean staticp; |
| 6444 | boolean constp; |
| 6445 | boolean volatilep; |
| 6446 | bfd_vma voffset; |
| 6447 | boolean context; |
| 6448 | { |
| 6449 | unsigned int flags; |
| 6450 | unsigned int nindx; |
| 6451 | boolean virtual; |
| 6452 | |
| 6453 | /* We don't need the type of the method. An IEEE consumer which |
| 6454 | wants the type must track down the function by the physical name |
| 6455 | and get the type from that. */ |
| 6456 | ieee_pop_unused_type (info); |
| 6457 | |
| 6458 | /* We don't use the context. FIXME: We probably ought to use it to |
| 6459 | adjust the voffset somehow, but I don't really know how. */ |
| 6460 | if (context) |
| 6461 | ieee_pop_unused_type (info); |
| 6462 | |
| 6463 | assert (info->type_stack != NULL |
| 6464 | && info->type_stack->type.classdef != NULL |
| 6465 | && info->type_stack->type.classdef->method != NULL); |
| 6466 | |
| 6467 | flags = ieee_vis_to_flags (visibility); |
| 6468 | |
| 6469 | /* FIXME: We never set CXXFLAGS_OVERRIDE, CXXFLAGS_OPERATOR, |
| 6470 | CXXFLAGS_CTORDTOR, CXXFLAGS_CTOR, or CXXFLAGS_INLINE. */ |
| 6471 | |
| 6472 | if (staticp) |
| 6473 | flags |= CXXFLAGS_STATIC; |
| 6474 | if (constp) |
| 6475 | flags |= CXXFLAGS_CONST; |
| 6476 | if (volatilep) |
| 6477 | flags |= CXXFLAGS_VOLATILE; |
| 6478 | |
| 6479 | nindx = info->type_stack->type.classdef->indx; |
| 6480 | |
| 6481 | virtual = context || voffset > 0; |
| 6482 | |
| 6483 | if (! ieee_change_buffer (info, |
| 6484 | &info->type_stack->type.classdef->pmiscbuf) |
| 6485 | || ! ieee_write_asn (info, nindx, virtual ? 'v' : 'm') |
| 6486 | || ! ieee_write_asn (info, nindx, flags) |
| 6487 | || ! ieee_write_atn65 (info, nindx, |
| 6488 | info->type_stack->type.classdef->method) |
| 6489 | || ! ieee_write_atn65 (info, nindx, physname)) |
| 6490 | return false; |
| 6491 | |
| 6492 | if (virtual) |
| 6493 | { |
| 6494 | if (voffset > info->type_stack->type.classdef->voffset) |
| 6495 | info->type_stack->type.classdef->voffset = voffset; |
| 6496 | if (! ieee_write_asn (info, nindx, voffset)) |
| 6497 | return false; |
| 6498 | ++info->type_stack->type.classdef->pmisccount; |
| 6499 | } |
| 6500 | |
| 6501 | if (! ieee_write_asn (info, nindx, 0)) |
| 6502 | return false; |
| 6503 | |
| 6504 | info->type_stack->type.classdef->pmisccount += 5; |
| 6505 | |
| 6506 | return true; |
| 6507 | } |
| 6508 | |
| 6509 | /* Define a new method variant. */ |
| 6510 | |
| 6511 | static boolean |
| 6512 | ieee_class_method_variant (p, physname, visibility, constp, volatilep, |
| 6513 | voffset, context) |
| 6514 | PTR p; |
| 6515 | const char *physname; |
| 6516 | enum debug_visibility visibility; |
| 6517 | boolean constp; |
| 6518 | boolean volatilep; |
| 6519 | bfd_vma voffset; |
| 6520 | boolean context; |
| 6521 | { |
| 6522 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6523 | |
| 6524 | return ieee_class_method_var (info, physname, visibility, false, constp, |
| 6525 | volatilep, voffset, context); |
| 6526 | } |
| 6527 | |
| 6528 | /* Define a new static method variant. */ |
| 6529 | |
| 6530 | static boolean |
| 6531 | ieee_class_static_method_variant (p, physname, visibility, constp, volatilep) |
| 6532 | PTR p; |
| 6533 | const char *physname; |
| 6534 | enum debug_visibility visibility; |
| 6535 | boolean constp; |
| 6536 | boolean volatilep; |
| 6537 | { |
| 6538 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6539 | |
| 6540 | return ieee_class_method_var (info, physname, visibility, true, constp, |
| 6541 | volatilep, 0, false); |
| 6542 | } |
| 6543 | |
| 6544 | /* Finish up a method. */ |
| 6545 | |
| 6546 | static boolean |
| 6547 | ieee_class_end_method (p) |
| 6548 | PTR p; |
| 6549 | { |
| 6550 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6551 | |
| 6552 | assert (info->type_stack != NULL |
| 6553 | && info->type_stack->type.classdef != NULL |
| 6554 | && info->type_stack->type.classdef->method != NULL); |
| 6555 | |
| 6556 | info->type_stack->type.classdef->method = NULL; |
| 6557 | |
| 6558 | return true; |
| 6559 | } |
| 6560 | |
| 6561 | /* Finish up a class. */ |
| 6562 | |
| 6563 | static boolean |
| 6564 | ieee_end_class_type (p) |
| 6565 | PTR p; |
| 6566 | { |
| 6567 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6568 | unsigned int nindx; |
| 6569 | |
| 6570 | assert (info->type_stack != NULL |
| 6571 | && info->type_stack->type.classdef != NULL); |
| 6572 | |
| 6573 | /* If we were ignoring this class definition because it was a |
| 6574 | duplicate definition, just through away whatever bytes we have |
| 6575 | accumulated. Leave the type on the stack. */ |
| 6576 | if (info->type_stack->type.ignorep) |
| 6577 | return true; |
| 6578 | |
| 6579 | nindx = info->type_stack->type.classdef->indx; |
| 6580 | |
| 6581 | /* If we have a virtual table, we can write out the information now. */ |
| 6582 | if (info->type_stack->type.classdef->vclass != NULL |
| 6583 | || info->type_stack->type.classdef->ownvptr) |
| 6584 | { |
| 6585 | if (! ieee_change_buffer (info, |
| 6586 | &info->type_stack->type.classdef->pmiscbuf) |
| 6587 | || ! ieee_write_asn (info, nindx, 'z') |
| 6588 | || ! ieee_write_atn65 (info, nindx, "") |
| 6589 | || ! ieee_write_asn (info, nindx, |
| 6590 | info->type_stack->type.classdef->voffset)) |
| 6591 | return false; |
| 6592 | if (info->type_stack->type.classdef->ownvptr) |
| 6593 | { |
| 6594 | if (! ieee_write_atn65 (info, nindx, "")) |
| 6595 | return false; |
| 6596 | } |
| 6597 | else |
| 6598 | { |
| 6599 | if (! ieee_write_atn65 (info, nindx, |
| 6600 | info->type_stack->type.classdef->vclass)) |
| 6601 | return false; |
| 6602 | } |
| 6603 | if (! ieee_write_asn (info, nindx, 0)) |
| 6604 | return false; |
| 6605 | info->type_stack->type.classdef->pmisccount += 5; |
| 6606 | } |
| 6607 | |
| 6608 | /* Now that we know the number of pmisc records, we can write out |
| 6609 | the atn62 which starts the pmisc records, and append them to the |
| 6610 | C++ buffers. */ |
| 6611 | |
| 6612 | if (! ieee_change_buffer (info, &info->cxx) |
| 6613 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
| 6614 | || ! ieee_write_number (info, nindx) |
| 6615 | || ! ieee_write_id (info, "") |
| 6616 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 6617 | || ! ieee_write_number (info, nindx) |
| 6618 | || ! ieee_write_number (info, 0) |
| 6619 | || ! ieee_write_number (info, 62) |
| 6620 | || ! ieee_write_number (info, 80) |
| 6621 | || ! ieee_write_number (info, |
| 6622 | info->type_stack->type.classdef->pmisccount)) |
| 6623 | return false; |
| 6624 | |
| 6625 | if (! ieee_append_buffer (info, &info->cxx, |
| 6626 | &info->type_stack->type.classdef->pmiscbuf)) |
| 6627 | return false; |
| 6628 | if (! ieee_buffer_emptyp (&info->type_stack->type.classdef->refs)) |
| 6629 | { |
| 6630 | if (! ieee_append_buffer (info, &info->cxx, |
| 6631 | &info->type_stack->type.classdef->refs)) |
| 6632 | return false; |
| 6633 | } |
| 6634 | |
| 6635 | return ieee_end_struct_type (p); |
| 6636 | } |
| 6637 | |
| 6638 | /* Push a previously seen typedef onto the type stack. */ |
| 6639 | |
| 6640 | static boolean |
| 6641 | ieee_typedef_type (p, name) |
| 6642 | PTR p; |
| 6643 | const char *name; |
| 6644 | { |
| 6645 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6646 | struct ieee_name_type_hash_entry *h; |
| 6647 | struct ieee_name_type *nt; |
| 6648 | |
| 6649 | h = ieee_name_type_hash_lookup (&info->typedefs, name, false, false); |
| 6650 | |
| 6651 | /* h should never be NULL, since that would imply that the generic |
| 6652 | debugging code has asked for a typedef which it has not yet |
| 6653 | defined. */ |
| 6654 | assert (h != NULL); |
| 6655 | |
| 6656 | /* We always use the most recently defined type for this name, which |
| 6657 | will be the first one on the list. */ |
| 6658 | |
| 6659 | nt = h->types; |
| 6660 | if (! ieee_push_type (info, nt->type.indx, nt->type.size, |
| 6661 | nt->type.unsignedp, nt->type.localp)) |
| 6662 | return false; |
| 6663 | |
| 6664 | /* Copy over any other type information we may have. */ |
| 6665 | info->type_stack->type = nt->type; |
| 6666 | |
| 6667 | return true; |
| 6668 | } |
| 6669 | |
| 6670 | /* Push a tagged type onto the type stack. */ |
| 6671 | |
| 6672 | static boolean |
| 6673 | ieee_tag_type (p, name, id, kind) |
| 6674 | PTR p; |
| 6675 | const char *name; |
| 6676 | unsigned int id; |
| 6677 | enum debug_type_kind kind; |
| 6678 | { |
| 6679 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6680 | boolean localp; |
| 6681 | boolean copy; |
| 6682 | char ab[20]; |
| 6683 | struct ieee_name_type_hash_entry *h; |
| 6684 | struct ieee_name_type *nt; |
| 6685 | |
| 6686 | if (kind == DEBUG_KIND_ENUM) |
| 6687 | { |
| 6688 | struct ieee_defined_enum *e; |
| 6689 | |
| 6690 | if (name == NULL) |
| 6691 | abort (); |
| 6692 | for (e = info->enums; e != NULL; e = e->next) |
| 6693 | if (e->tag != NULL && strcmp (e->tag, name) == 0) |
| 6694 | return ieee_push_type (info, e->indx, 0, true, false); |
| 6695 | |
| 6696 | e = (struct ieee_defined_enum *) xmalloc (sizeof *e); |
| 6697 | memset (e, 0, sizeof *e); |
| 6698 | |
| 6699 | e->indx = info->type_indx; |
| 6700 | ++info->type_indx; |
| 6701 | e->tag = name; |
| 6702 | e->defined = false; |
| 6703 | |
| 6704 | e->next = info->enums; |
| 6705 | info->enums = e; |
| 6706 | |
| 6707 | return ieee_push_type (info, e->indx, 0, true, false); |
| 6708 | } |
| 6709 | |
| 6710 | localp = false; |
| 6711 | |
| 6712 | copy = false; |
| 6713 | if (name == NULL) |
| 6714 | { |
| 6715 | sprintf (ab, "__anon%u", id); |
| 6716 | name = ab; |
| 6717 | copy = true; |
| 6718 | } |
| 6719 | |
| 6720 | h = ieee_name_type_hash_lookup (&info->tags, name, true, copy); |
| 6721 | if (h == NULL) |
| 6722 | return false; |
| 6723 | |
| 6724 | for (nt = h->types; nt != NULL; nt = nt->next) |
| 6725 | { |
| 6726 | if (nt->id == id) |
| 6727 | { |
| 6728 | if (! ieee_push_type (info, nt->type.indx, nt->type.size, |
| 6729 | nt->type.unsignedp, nt->type.localp)) |
| 6730 | return false; |
| 6731 | /* Copy over any other type information we may have. */ |
| 6732 | info->type_stack->type = nt->type; |
| 6733 | return true; |
| 6734 | } |
| 6735 | |
| 6736 | if (! nt->type.localp) |
| 6737 | { |
| 6738 | /* This is a duplicate of a global type, so it must be |
| 6739 | local. */ |
| 6740 | localp = true; |
| 6741 | } |
| 6742 | } |
| 6743 | |
| 6744 | nt = (struct ieee_name_type *) xmalloc (sizeof *nt); |
| 6745 | memset (nt, 0, sizeof *nt); |
| 6746 | |
| 6747 | nt->id = id; |
| 6748 | nt->type.name = h->root.string; |
| 6749 | nt->type.indx = info->type_indx; |
| 6750 | nt->type.localp = localp; |
| 6751 | ++info->type_indx; |
| 6752 | nt->kind = kind; |
| 6753 | |
| 6754 | nt->next = h->types; |
| 6755 | h->types = nt; |
| 6756 | |
| 6757 | if (! ieee_push_type (info, nt->type.indx, 0, false, localp)) |
| 6758 | return false; |
| 6759 | |
| 6760 | info->type_stack->type.name = h->root.string; |
| 6761 | |
| 6762 | return true; |
| 6763 | } |
| 6764 | |
| 6765 | /* Output a typedef. */ |
| 6766 | |
| 6767 | static boolean |
| 6768 | ieee_typdef (p, name) |
| 6769 | PTR p; |
| 6770 | const char *name; |
| 6771 | { |
| 6772 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 6773 | struct ieee_write_type type; |
| 6774 | unsigned int indx; |
| 6775 | boolean found; |
| 6776 | boolean localp; |
| 6777 | struct ieee_name_type_hash_entry *h; |
| 6778 | struct ieee_name_type *nt; |
| 6779 | |
| 6780 | type = info->type_stack->type; |
| 6781 | indx = type.indx; |
| 6782 | |
| 6783 | /* If this is a simple builtin type using a builtin name, we don't |
| 6784 | want to output the typedef itself. We also want to change the |
| 6785 | type index to correspond to the name being used. We recognize |
| 6786 | names used in stabs debugging output even if they don't exactly |
| 6787 | correspond to the names used for the IEEE builtin types. */ |
| 6788 | found = false; |
| 6789 | if (indx <= (unsigned int) builtin_bcd_float) |
| 6790 | { |
| 6791 | switch ((enum builtin_types) indx) |
| 6792 | { |
| 6793 | default: |
| 6794 | break; |
| 6795 | |
| 6796 | case builtin_void: |
| 6797 | if (strcmp (name, "void") == 0) |
| 6798 | found = true; |
| 6799 | break; |
| 6800 | |
| 6801 | case builtin_signed_char: |
| 6802 | case builtin_char: |
| 6803 | if (strcmp (name, "signed char") == 0) |
| 6804 | { |
| 6805 | indx = (unsigned int) builtin_signed_char; |
| 6806 | found = true; |
| 6807 | } |
| 6808 | else if (strcmp (name, "char") == 0) |
| 6809 | { |
| 6810 | indx = (unsigned int) builtin_char; |
| 6811 | found = true; |
| 6812 | } |
| 6813 | break; |
| 6814 | |
| 6815 | case builtin_unsigned_char: |
| 6816 | if (strcmp (name, "unsigned char") == 0) |
| 6817 | found = true; |
| 6818 | break; |
| 6819 | |
| 6820 | case builtin_signed_short_int: |
| 6821 | case builtin_short: |
| 6822 | case builtin_short_int: |
| 6823 | case builtin_signed_short: |
| 6824 | if (strcmp (name, "signed short int") == 0) |
| 6825 | { |
| 6826 | indx = (unsigned int) builtin_signed_short_int; |
| 6827 | found = true; |
| 6828 | } |
| 6829 | else if (strcmp (name, "short") == 0) |
| 6830 | { |
| 6831 | indx = (unsigned int) builtin_short; |
| 6832 | found = true; |
| 6833 | } |
| 6834 | else if (strcmp (name, "short int") == 0) |
| 6835 | { |
| 6836 | indx = (unsigned int) builtin_short_int; |
| 6837 | found = true; |
| 6838 | } |
| 6839 | else if (strcmp (name, "signed short") == 0) |
| 6840 | { |
| 6841 | indx = (unsigned int) builtin_signed_short; |
| 6842 | found = true; |
| 6843 | } |
| 6844 | break; |
| 6845 | |
| 6846 | case builtin_unsigned_short_int: |
| 6847 | case builtin_unsigned_short: |
| 6848 | if (strcmp (name, "unsigned short int") == 0 |
| 6849 | || strcmp (name, "short unsigned int") == 0) |
| 6850 | { |
| 6851 | indx = builtin_unsigned_short_int; |
| 6852 | found = true; |
| 6853 | } |
| 6854 | else if (strcmp (name, "unsigned short") == 0) |
| 6855 | { |
| 6856 | indx = builtin_unsigned_short; |
| 6857 | found = true; |
| 6858 | } |
| 6859 | break; |
| 6860 | |
| 6861 | case builtin_signed_long: |
| 6862 | case builtin_int: /* FIXME: Size depends upon architecture. */ |
| 6863 | case builtin_long: |
| 6864 | if (strcmp (name, "signed long") == 0) |
| 6865 | { |
| 6866 | indx = builtin_signed_long; |
| 6867 | found = true; |
| 6868 | } |
| 6869 | else if (strcmp (name, "int") == 0) |
| 6870 | { |
| 6871 | indx = builtin_int; |
| 6872 | found = true; |
| 6873 | } |
| 6874 | else if (strcmp (name, "long") == 0 |
| 6875 | || strcmp (name, "long int") == 0) |
| 6876 | { |
| 6877 | indx = builtin_long; |
| 6878 | found = true; |
| 6879 | } |
| 6880 | break; |
| 6881 | |
| 6882 | case builtin_unsigned_long: |
| 6883 | case builtin_unsigned: /* FIXME: Size depends upon architecture. */ |
| 6884 | case builtin_unsigned_int: /* FIXME: Like builtin_unsigned. */ |
| 6885 | if (strcmp (name, "unsigned long") == 0 |
| 6886 | || strcmp (name, "long unsigned int") == 0) |
| 6887 | { |
| 6888 | indx = builtin_unsigned_long; |
| 6889 | found = true; |
| 6890 | } |
| 6891 | else if (strcmp (name, "unsigned") == 0) |
| 6892 | { |
| 6893 | indx = builtin_unsigned; |
| 6894 | found = true; |
| 6895 | } |
| 6896 | else if (strcmp (name, "unsigned int") == 0) |
| 6897 | { |
| 6898 | indx = builtin_unsigned_int; |
| 6899 | found = true; |
| 6900 | } |
| 6901 | break; |
| 6902 | |
| 6903 | case builtin_signed_long_long: |
| 6904 | if (strcmp (name, "signed long long") == 0 |
| 6905 | || strcmp (name, "long long int") == 0) |
| 6906 | found = true; |
| 6907 | break; |
| 6908 | |
| 6909 | case builtin_unsigned_long_long: |
| 6910 | if (strcmp (name, "unsigned long long") == 0 |
| 6911 | || strcmp (name, "long long unsigned int") == 0) |
| 6912 | found = true; |
| 6913 | break; |
| 6914 | |
| 6915 | case builtin_float: |
| 6916 | if (strcmp (name, "float") == 0) |
| 6917 | found = true; |
| 6918 | break; |
| 6919 | |
| 6920 | case builtin_double: |
| 6921 | if (strcmp (name, "double") == 0) |
| 6922 | found = true; |
| 6923 | break; |
| 6924 | |
| 6925 | case builtin_long_double: |
| 6926 | if (strcmp (name, "long double") == 0) |
| 6927 | found = true; |
| 6928 | break; |
| 6929 | |
| 6930 | case builtin_long_long_double: |
| 6931 | if (strcmp (name, "long long double") == 0) |
| 6932 | found = true; |
| 6933 | break; |
| 6934 | } |
| 6935 | |
| 6936 | if (found) |
| 6937 | type.indx = indx; |
| 6938 | } |
| 6939 | |
| 6940 | h = ieee_name_type_hash_lookup (&info->typedefs, name, true, false); |
| 6941 | if (h == NULL) |
| 6942 | return false; |
| 6943 | |
| 6944 | /* See if we have already defined this type with this name. */ |
| 6945 | localp = type.localp; |
| 6946 | for (nt = h->types; nt != NULL; nt = nt->next) |
| 6947 | { |
| 6948 | if (nt->id == indx) |
| 6949 | { |
| 6950 | /* If this is a global definition, then we don't need to |
| 6951 | do anything here. */ |
| 6952 | if (! nt->type.localp) |
| 6953 | { |
| 6954 | ieee_pop_unused_type (info); |
| 6955 | return true; |
| 6956 | } |
| 6957 | } |
| 6958 | else |
| 6959 | { |
| 6960 | /* This is a duplicate definition, so make this one local. */ |
| 6961 | localp = true; |
| 6962 | } |
| 6963 | } |
| 6964 | |
| 6965 | /* We need to add a new typedef for this type. */ |
| 6966 | |
| 6967 | nt = (struct ieee_name_type *) xmalloc (sizeof *nt); |
| 6968 | memset (nt, 0, sizeof *nt); |
| 6969 | nt->id = indx; |
| 6970 | nt->type = type; |
| 6971 | nt->type.name = name; |
| 6972 | nt->type.localp = localp; |
| 6973 | nt->kind = DEBUG_KIND_ILLEGAL; |
| 6974 | |
| 6975 | nt->next = h->types; |
| 6976 | h->types = nt; |
| 6977 | |
| 6978 | if (found) |
| 6979 | { |
| 6980 | /* This is one of the builtin typedefs, so we don't need to |
| 6981 | actually define it. */ |
| 6982 | ieee_pop_unused_type (info); |
| 6983 | return true; |
| 6984 | } |
| 6985 | |
| 6986 | indx = ieee_pop_type (info); |
| 6987 | |
| 6988 | if (! ieee_define_named_type (info, name, (unsigned int) -1, type.size, |
| 6989 | type.unsignedp, localp, |
| 6990 | (struct ieee_buflist *) NULL) |
| 6991 | || ! ieee_write_number (info, 'T') |
| 6992 | || ! ieee_write_number (info, indx)) |
| 6993 | return false; |
| 6994 | |
| 6995 | /* Remove the type we just added to the type stack. This should not |
| 6996 | be ieee_pop_unused_type, since the type is used, we just don't |
| 6997 | need it now. */ |
| 6998 | (void) ieee_pop_type (info); |
| 6999 | |
| 7000 | return true; |
| 7001 | } |
| 7002 | |
| 7003 | /* Output a tag for a type. We don't have to do anything here. */ |
| 7004 | |
| 7005 | static boolean |
| 7006 | ieee_tag (p, name) |
| 7007 | PTR p; |
| 7008 | const char *name; |
| 7009 | { |
| 7010 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7011 | |
| 7012 | /* This should not be ieee_pop_unused_type, since we want the type |
| 7013 | to be defined. */ |
| 7014 | (void) ieee_pop_type (info); |
| 7015 | return true; |
| 7016 | } |
| 7017 | |
| 7018 | /* Output an integer constant. */ |
| 7019 | |
| 7020 | static boolean |
| 7021 | ieee_int_constant (p, name, val) |
| 7022 | PTR p; |
| 7023 | const char *name; |
| 7024 | bfd_vma val; |
| 7025 | { |
| 7026 | /* FIXME. */ |
| 7027 | return true; |
| 7028 | } |
| 7029 | |
| 7030 | /* Output a floating point constant. */ |
| 7031 | |
| 7032 | static boolean |
| 7033 | ieee_float_constant (p, name, val) |
| 7034 | PTR p; |
| 7035 | const char *name; |
| 7036 | double val; |
| 7037 | { |
| 7038 | /* FIXME. */ |
| 7039 | return true; |
| 7040 | } |
| 7041 | |
| 7042 | /* Output a typed constant. */ |
| 7043 | |
| 7044 | static boolean |
| 7045 | ieee_typed_constant (p, name, val) |
| 7046 | PTR p; |
| 7047 | const char *name; |
| 7048 | bfd_vma val; |
| 7049 | { |
| 7050 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7051 | |
| 7052 | /* FIXME. */ |
| 7053 | ieee_pop_unused_type (info); |
| 7054 | return true; |
| 7055 | } |
| 7056 | |
| 7057 | /* Output a variable. */ |
| 7058 | |
| 7059 | static boolean |
| 7060 | ieee_variable (p, name, kind, val) |
| 7061 | PTR p; |
| 7062 | const char *name; |
| 7063 | enum debug_var_kind kind; |
| 7064 | bfd_vma val; |
| 7065 | { |
| 7066 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7067 | unsigned int name_indx; |
| 7068 | unsigned int size; |
| 7069 | boolean referencep; |
| 7070 | unsigned int type_indx; |
| 7071 | boolean asn; |
| 7072 | int refflag; |
| 7073 | |
| 7074 | size = info->type_stack->type.size; |
| 7075 | referencep = info->type_stack->type.referencep; |
| 7076 | type_indx = ieee_pop_type (info); |
| 7077 | |
| 7078 | assert (! ieee_buffer_emptyp (&info->vars)); |
| 7079 | if (! ieee_change_buffer (info, &info->vars)) |
| 7080 | return false; |
| 7081 | |
| 7082 | name_indx = info->name_indx; |
| 7083 | ++info->name_indx; |
| 7084 | |
| 7085 | /* Write out an NN and an ATN record for this variable. */ |
| 7086 | if (! ieee_write_byte (info, (int) ieee_nn_record) |
| 7087 | || ! ieee_write_number (info, name_indx) |
| 7088 | || ! ieee_write_id (info, name) |
| 7089 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 7090 | || ! ieee_write_number (info, name_indx) |
| 7091 | || ! ieee_write_number (info, type_indx)) |
| 7092 | return false; |
| 7093 | switch (kind) |
| 7094 | { |
| 7095 | default: |
| 7096 | abort (); |
| 7097 | return false; |
| 7098 | case DEBUG_GLOBAL: |
| 7099 | if (! ieee_write_number (info, 8) |
| 7100 | || ! ieee_add_range (info, false, val, val + size)) |
| 7101 | return false; |
| 7102 | refflag = 0; |
| 7103 | asn = true; |
| 7104 | break; |
| 7105 | case DEBUG_STATIC: |
| 7106 | if (! ieee_write_number (info, 3) |
| 7107 | || ! ieee_add_range (info, false, val, val + size)) |
| 7108 | return false; |
| 7109 | refflag = 1; |
| 7110 | asn = true; |
| 7111 | break; |
| 7112 | case DEBUG_LOCAL_STATIC: |
| 7113 | if (! ieee_write_number (info, 3) |
| 7114 | || ! ieee_add_range (info, false, val, val + size)) |
| 7115 | return false; |
| 7116 | refflag = 2; |
| 7117 | asn = true; |
| 7118 | break; |
| 7119 | case DEBUG_LOCAL: |
| 7120 | if (! ieee_write_number (info, 1) |
| 7121 | || ! ieee_write_number (info, val)) |
| 7122 | return false; |
| 7123 | refflag = 2; |
| 7124 | asn = false; |
| 7125 | break; |
| 7126 | case DEBUG_REGISTER: |
| 7127 | if (! ieee_write_number (info, 2) |
| 7128 | || ! ieee_write_number (info, |
| 7129 | ieee_genreg_to_regno (info->abfd, val))) |
| 7130 | return false; |
| 7131 | refflag = 2; |
| 7132 | asn = false; |
| 7133 | break; |
| 7134 | } |
| 7135 | |
| 7136 | if (asn) |
| 7137 | { |
| 7138 | if (! ieee_write_asn (info, name_indx, val)) |
| 7139 | return false; |
| 7140 | } |
| 7141 | |
| 7142 | /* If this is really a reference type, then we just output it with |
| 7143 | pointer type, and must now output a C++ record indicating that it |
| 7144 | is really reference type. */ |
| 7145 | if (referencep) |
| 7146 | { |
| 7147 | unsigned int nindx; |
| 7148 | |
| 7149 | nindx = info->name_indx; |
| 7150 | ++info->name_indx; |
| 7151 | |
| 7152 | /* If this is a global variable, we want to output the misc |
| 7153 | record in the C++ misc record block. Otherwise, we want to |
| 7154 | output it just after the variable definition, which is where |
| 7155 | the current buffer is. */ |
| 7156 | if (refflag != 2) |
| 7157 | { |
| 7158 | if (! ieee_change_buffer (info, &info->cxx)) |
| 7159 | return false; |
| 7160 | } |
| 7161 | |
| 7162 | if (! ieee_write_byte (info, (int) ieee_nn_record) |
| 7163 | || ! ieee_write_number (info, nindx) |
| 7164 | || ! ieee_write_id (info, "") |
| 7165 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 7166 | || ! ieee_write_number (info, nindx) |
| 7167 | || ! ieee_write_number (info, 0) |
| 7168 | || ! ieee_write_number (info, 62) |
| 7169 | || ! ieee_write_number (info, 80) |
| 7170 | || ! ieee_write_number (info, 3) |
| 7171 | || ! ieee_write_asn (info, nindx, 'R') |
| 7172 | || ! ieee_write_asn (info, nindx, refflag) |
| 7173 | || ! ieee_write_atn65 (info, nindx, name)) |
| 7174 | return false; |
| 7175 | } |
| 7176 | |
| 7177 | return true; |
| 7178 | } |
| 7179 | |
| 7180 | /* Start outputting information for a function. */ |
| 7181 | |
| 7182 | static boolean |
| 7183 | ieee_start_function (p, name, global) |
| 7184 | PTR p; |
| 7185 | const char *name; |
| 7186 | boolean global; |
| 7187 | { |
| 7188 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7189 | boolean referencep; |
| 7190 | unsigned int retindx, typeindx; |
| 7191 | |
| 7192 | referencep = info->type_stack->type.referencep; |
| 7193 | retindx = ieee_pop_type (info); |
| 7194 | |
| 7195 | /* Besides recording a BB4 or BB6 block, we record the type of the |
| 7196 | function in the BB1 typedef block. We can't write out the full |
| 7197 | type until we have seen all the parameters, so we accumulate it |
| 7198 | in info->fntype and info->fnargs. */ |
| 7199 | if (! ieee_buffer_emptyp (&info->fntype)) |
| 7200 | { |
| 7201 | /* FIXME: This might happen someday if we support nested |
| 7202 | functions. */ |
| 7203 | abort (); |
| 7204 | } |
| 7205 | |
| 7206 | info->fnname = name; |
| 7207 | |
| 7208 | /* An attribute of 0x40 means that the push mask is unknown. */ |
| 7209 | if (! ieee_define_named_type (info, name, (unsigned int) -1, 0, false, true, |
| 7210 | &info->fntype) |
| 7211 | || ! ieee_write_number (info, 'x') |
| 7212 | || ! ieee_write_number (info, 0x40) |
| 7213 | || ! ieee_write_number (info, 0) |
| 7214 | || ! ieee_write_number (info, 0) |
| 7215 | || ! ieee_write_number (info, retindx)) |
| 7216 | return false; |
| 7217 | |
| 7218 | typeindx = ieee_pop_type (info); |
| 7219 | |
| 7220 | if (! ieee_init_buffer (info, &info->fnargs)) |
| 7221 | return false; |
| 7222 | info->fnargcount = 0; |
| 7223 | |
| 7224 | /* If the function return value is actually a reference type, we |
| 7225 | must add a record indicating that. */ |
| 7226 | if (referencep) |
| 7227 | { |
| 7228 | unsigned int nindx; |
| 7229 | |
| 7230 | nindx = info->name_indx; |
| 7231 | ++info->name_indx; |
| 7232 | if (! ieee_change_buffer (info, &info->cxx) |
| 7233 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
| 7234 | || ! ieee_write_number (info, nindx) |
| 7235 | || ! ieee_write_id (info, "") |
| 7236 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 7237 | || ! ieee_write_number (info, nindx) |
| 7238 | || ! ieee_write_number (info, 0) |
| 7239 | || ! ieee_write_number (info, 62) |
| 7240 | || ! ieee_write_number (info, 80) |
| 7241 | || ! ieee_write_number (info, 3) |
| 7242 | || ! ieee_write_asn (info, nindx, 'R') |
| 7243 | || ! ieee_write_asn (info, nindx, global ? 0 : 1) |
| 7244 | || ! ieee_write_atn65 (info, nindx, name)) |
| 7245 | return false; |
| 7246 | } |
| 7247 | |
| 7248 | assert (! ieee_buffer_emptyp (&info->vars)); |
| 7249 | if (! ieee_change_buffer (info, &info->vars)) |
| 7250 | return false; |
| 7251 | |
| 7252 | /* The address is written out as the first block. */ |
| 7253 | |
| 7254 | ++info->block_depth; |
| 7255 | |
| 7256 | return (ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 7257 | && ieee_write_byte (info, global ? 4 : 6) |
| 7258 | && ieee_write_number (info, 0) |
| 7259 | && ieee_write_id (info, name) |
| 7260 | && ieee_write_number (info, 0) |
| 7261 | && ieee_write_number (info, typeindx)); |
| 7262 | } |
| 7263 | |
| 7264 | /* Add a function parameter. This will normally be called before the |
| 7265 | first block, so we postpone them until we see the block. */ |
| 7266 | |
| 7267 | static boolean |
| 7268 | ieee_function_parameter (p, name, kind, val) |
| 7269 | PTR p; |
| 7270 | const char *name; |
| 7271 | enum debug_parm_kind kind; |
| 7272 | bfd_vma val; |
| 7273 | { |
| 7274 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7275 | struct ieee_pending_parm *m, **pm; |
| 7276 | |
| 7277 | assert (info->block_depth == 1); |
| 7278 | |
| 7279 | m = (struct ieee_pending_parm *) xmalloc (sizeof *m); |
| 7280 | memset (m, 0, sizeof *m); |
| 7281 | |
| 7282 | m->next = NULL; |
| 7283 | m->name = name; |
| 7284 | m->referencep = info->type_stack->type.referencep; |
| 7285 | m->type = ieee_pop_type (info); |
| 7286 | m->kind = kind; |
| 7287 | m->val = val; |
| 7288 | |
| 7289 | for (pm = &info->pending_parms; *pm != NULL; pm = &(*pm)->next) |
| 7290 | ; |
| 7291 | *pm = m; |
| 7292 | |
| 7293 | /* Add the type to the fnargs list. */ |
| 7294 | if (! ieee_change_buffer (info, &info->fnargs) |
| 7295 | || ! ieee_write_number (info, m->type)) |
| 7296 | return false; |
| 7297 | ++info->fnargcount; |
| 7298 | |
| 7299 | return true; |
| 7300 | } |
| 7301 | |
| 7302 | /* Output pending function parameters. */ |
| 7303 | |
| 7304 | static boolean |
| 7305 | ieee_output_pending_parms (info) |
| 7306 | struct ieee_handle *info; |
| 7307 | { |
| 7308 | struct ieee_pending_parm *m; |
| 7309 | unsigned int refcount; |
| 7310 | |
| 7311 | refcount = 0; |
| 7312 | for (m = info->pending_parms; m != NULL; m = m->next) |
| 7313 | { |
| 7314 | enum debug_var_kind vkind; |
| 7315 | |
| 7316 | switch (m->kind) |
| 7317 | { |
| 7318 | default: |
| 7319 | abort (); |
| 7320 | return false; |
| 7321 | case DEBUG_PARM_STACK: |
| 7322 | case DEBUG_PARM_REFERENCE: |
| 7323 | vkind = DEBUG_LOCAL; |
| 7324 | break; |
| 7325 | case DEBUG_PARM_REG: |
| 7326 | case DEBUG_PARM_REF_REG: |
| 7327 | vkind = DEBUG_REGISTER; |
| 7328 | break; |
| 7329 | } |
| 7330 | |
| 7331 | if (! ieee_push_type (info, m->type, 0, false, false)) |
| 7332 | return false; |
| 7333 | info->type_stack->type.referencep = m->referencep; |
| 7334 | if (m->referencep) |
| 7335 | ++refcount; |
| 7336 | if (! ieee_variable ((PTR) info, m->name, vkind, m->val)) |
| 7337 | return false; |
| 7338 | } |
| 7339 | |
| 7340 | /* If there are any reference parameters, we need to output a |
| 7341 | miscellaneous record indicating them. */ |
| 7342 | if (refcount > 0) |
| 7343 | { |
| 7344 | unsigned int nindx, varindx; |
| 7345 | |
| 7346 | /* FIXME: The MRI compiler outputs the demangled function name |
| 7347 | here, but we are outputting the mangled name. */ |
| 7348 | nindx = info->name_indx; |
| 7349 | ++info->name_indx; |
| 7350 | if (! ieee_change_buffer (info, &info->vars) |
| 7351 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
| 7352 | || ! ieee_write_number (info, nindx) |
| 7353 | || ! ieee_write_id (info, "") |
| 7354 | || ! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 7355 | || ! ieee_write_number (info, nindx) |
| 7356 | || ! ieee_write_number (info, 0) |
| 7357 | || ! ieee_write_number (info, 62) |
| 7358 | || ! ieee_write_number (info, 80) |
| 7359 | || ! ieee_write_number (info, refcount + 3) |
| 7360 | || ! ieee_write_asn (info, nindx, 'B') |
| 7361 | || ! ieee_write_atn65 (info, nindx, info->fnname) |
| 7362 | || ! ieee_write_asn (info, nindx, 0)) |
| 7363 | return false; |
| 7364 | for (m = info->pending_parms, varindx = 1; |
| 7365 | m != NULL; |
| 7366 | m = m->next, varindx++) |
| 7367 | { |
| 7368 | if (m->referencep) |
| 7369 | { |
| 7370 | if (! ieee_write_asn (info, nindx, varindx)) |
| 7371 | return false; |
| 7372 | } |
| 7373 | } |
| 7374 | } |
| 7375 | |
| 7376 | m = info->pending_parms; |
| 7377 | while (m != NULL) |
| 7378 | { |
| 7379 | struct ieee_pending_parm *next; |
| 7380 | |
| 7381 | next = m->next; |
| 7382 | free (m); |
| 7383 | m = next; |
| 7384 | } |
| 7385 | |
| 7386 | info->pending_parms = NULL; |
| 7387 | |
| 7388 | return true; |
| 7389 | } |
| 7390 | |
| 7391 | /* Start a block. If this is the first block, we output the address |
| 7392 | to finish the BB4 or BB6, and then output the function parameters. */ |
| 7393 | |
| 7394 | static boolean |
| 7395 | ieee_start_block (p, addr) |
| 7396 | PTR p; |
| 7397 | bfd_vma addr; |
| 7398 | { |
| 7399 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7400 | |
| 7401 | if (! ieee_change_buffer (info, &info->vars)) |
| 7402 | return false; |
| 7403 | |
| 7404 | if (info->block_depth == 1) |
| 7405 | { |
| 7406 | if (! ieee_write_number (info, addr) |
| 7407 | || ! ieee_output_pending_parms (info)) |
| 7408 | return false; |
| 7409 | } |
| 7410 | else |
| 7411 | { |
| 7412 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 7413 | || ! ieee_write_byte (info, 6) |
| 7414 | || ! ieee_write_number (info, 0) |
| 7415 | || ! ieee_write_id (info, "") |
| 7416 | || ! ieee_write_number (info, 0) |
| 7417 | || ! ieee_write_number (info, 0) |
| 7418 | || ! ieee_write_number (info, addr)) |
| 7419 | return false; |
| 7420 | } |
| 7421 | |
| 7422 | if (! ieee_start_range (info, addr)) |
| 7423 | return false; |
| 7424 | |
| 7425 | ++info->block_depth; |
| 7426 | |
| 7427 | return true; |
| 7428 | } |
| 7429 | |
| 7430 | /* End a block. */ |
| 7431 | |
| 7432 | static boolean |
| 7433 | ieee_end_block (p, addr) |
| 7434 | PTR p; |
| 7435 | bfd_vma addr; |
| 7436 | { |
| 7437 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7438 | |
| 7439 | /* The address we are given is the end of the block, but IEEE seems |
| 7440 | to want to the address of the last byte in the block, so we |
| 7441 | subtract one. */ |
| 7442 | if (! ieee_change_buffer (info, &info->vars) |
| 7443 | || ! ieee_write_byte (info, (int) ieee_be_record_enum) |
| 7444 | || ! ieee_write_number (info, addr - 1)) |
| 7445 | return false; |
| 7446 | |
| 7447 | if (! ieee_end_range (info, addr)) |
| 7448 | return false; |
| 7449 | |
| 7450 | --info->block_depth; |
| 7451 | |
| 7452 | if (addr > info->highaddr) |
| 7453 | info->highaddr = addr; |
| 7454 | |
| 7455 | return true; |
| 7456 | } |
| 7457 | |
| 7458 | /* End a function. */ |
| 7459 | |
| 7460 | static boolean |
| 7461 | ieee_end_function (p) |
| 7462 | PTR p; |
| 7463 | { |
| 7464 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7465 | |
| 7466 | assert (info->block_depth == 1); |
| 7467 | |
| 7468 | --info->block_depth; |
| 7469 | |
| 7470 | /* Now we can finish up fntype, and add it to the typdef section. |
| 7471 | At this point, fntype is the 'x' type up to the argument count, |
| 7472 | and fnargs is the argument types. We must add the argument |
| 7473 | count, and we must add the level. FIXME: We don't record varargs |
| 7474 | functions correctly. In fact, stabs debugging does not give us |
| 7475 | enough information to do so. */ |
| 7476 | if (! ieee_change_buffer (info, &info->fntype) |
| 7477 | || ! ieee_write_number (info, info->fnargcount) |
| 7478 | || ! ieee_change_buffer (info, &info->fnargs) |
| 7479 | || ! ieee_write_number (info, 0)) |
| 7480 | return false; |
| 7481 | |
| 7482 | /* Make sure the typdef block has been started. */ |
| 7483 | if (ieee_buffer_emptyp (&info->types)) |
| 7484 | { |
| 7485 | if (! ieee_change_buffer (info, &info->types) |
| 7486 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 7487 | || ! ieee_write_byte (info, 1) |
| 7488 | || ! ieee_write_number (info, 0) |
| 7489 | || ! ieee_write_id (info, info->modname)) |
| 7490 | return false; |
| 7491 | } |
| 7492 | |
| 7493 | if (! ieee_append_buffer (info, &info->types, &info->fntype) |
| 7494 | || ! ieee_append_buffer (info, &info->types, &info->fnargs)) |
| 7495 | return false; |
| 7496 | |
| 7497 | info->fnname = NULL; |
| 7498 | if (! ieee_init_buffer (info, &info->fntype) |
| 7499 | || ! ieee_init_buffer (info, &info->fnargs)) |
| 7500 | return false; |
| 7501 | info->fnargcount = 0; |
| 7502 | |
| 7503 | return true; |
| 7504 | } |
| 7505 | |
| 7506 | /* Record line number information. */ |
| 7507 | |
| 7508 | static boolean |
| 7509 | ieee_lineno (p, filename, lineno, addr) |
| 7510 | PTR p; |
| 7511 | const char *filename; |
| 7512 | unsigned long lineno; |
| 7513 | bfd_vma addr; |
| 7514 | { |
| 7515 | struct ieee_handle *info = (struct ieee_handle *) p; |
| 7516 | |
| 7517 | assert (info->filename != NULL); |
| 7518 | |
| 7519 | /* The HP simulator seems to get confused when more than one line is |
| 7520 | listed for the same address, at least if they are in different |
| 7521 | files. We handle this by always listing the last line for a |
| 7522 | given address, since that seems to be the one that gdb uses. */ |
| 7523 | if (info->pending_lineno_filename != NULL |
| 7524 | && addr != info->pending_lineno_addr) |
| 7525 | { |
| 7526 | /* Make sure we have a line number block. */ |
| 7527 | if (! ieee_buffer_emptyp (&info->linenos)) |
| 7528 | { |
| 7529 | if (! ieee_change_buffer (info, &info->linenos)) |
| 7530 | return false; |
| 7531 | } |
| 7532 | else |
| 7533 | { |
| 7534 | info->lineno_name_indx = info->name_indx; |
| 7535 | ++info->name_indx; |
| 7536 | if (! ieee_change_buffer (info, &info->linenos) |
| 7537 | || ! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 7538 | || ! ieee_write_byte (info, 5) |
| 7539 | || ! ieee_write_number (info, 0) |
| 7540 | || ! ieee_write_id (info, info->filename) |
| 7541 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
| 7542 | || ! ieee_write_number (info, info->lineno_name_indx) |
| 7543 | || ! ieee_write_id (info, "")) |
| 7544 | return false; |
| 7545 | info->lineno_filename = info->filename; |
| 7546 | } |
| 7547 | |
| 7548 | if (strcmp (info->pending_lineno_filename, info->lineno_filename) != 0) |
| 7549 | { |
| 7550 | if (strcmp (info->filename, info->lineno_filename) != 0) |
| 7551 | { |
| 7552 | /* We were not in the main file. Close the block for the |
| 7553 | included file. */ |
| 7554 | if (! ieee_write_byte (info, (int) ieee_be_record_enum)) |
| 7555 | return false; |
| 7556 | if (strcmp (info->filename, info->pending_lineno_filename) == 0) |
| 7557 | { |
| 7558 | /* We need a new NN record, and we aren't about to |
| 7559 | output one. */ |
| 7560 | info->lineno_name_indx = info->name_indx; |
| 7561 | ++info->name_indx; |
| 7562 | if (! ieee_write_byte (info, (int) ieee_nn_record) |
| 7563 | || ! ieee_write_number (info, info->lineno_name_indx) |
| 7564 | || ! ieee_write_id (info, "")) |
| 7565 | return false; |
| 7566 | } |
| 7567 | } |
| 7568 | if (strcmp (info->filename, info->pending_lineno_filename) != 0) |
| 7569 | { |
| 7570 | /* We are not changing to the main file. Open a block for |
| 7571 | the new included file. */ |
| 7572 | info->lineno_name_indx = info->name_indx; |
| 7573 | ++info->name_indx; |
| 7574 | if (! ieee_write_byte (info, (int) ieee_bb_record_enum) |
| 7575 | || ! ieee_write_byte (info, 5) |
| 7576 | || ! ieee_write_number (info, 0) |
| 7577 | || ! ieee_write_id (info, info->pending_lineno_filename) |
| 7578 | || ! ieee_write_byte (info, (int) ieee_nn_record) |
| 7579 | || ! ieee_write_number (info, info->lineno_name_indx) |
| 7580 | || ! ieee_write_id (info, "")) |
| 7581 | return false; |
| 7582 | } |
| 7583 | info->lineno_filename = info->pending_lineno_filename; |
| 7584 | } |
| 7585 | |
| 7586 | if (! ieee_write_2bytes (info, (int) ieee_atn_record_enum) |
| 7587 | || ! ieee_write_number (info, info->lineno_name_indx) |
| 7588 | || ! ieee_write_number (info, 0) |
| 7589 | || ! ieee_write_number (info, 7) |
| 7590 | || ! ieee_write_number (info, info->pending_lineno) |
| 7591 | || ! ieee_write_number (info, 0) |
| 7592 | || ! ieee_write_asn (info, info->lineno_name_indx, |
| 7593 | info->pending_lineno_addr)) |
| 7594 | return false; |
| 7595 | } |
| 7596 | |
| 7597 | if (addr < info->highaddr) |
| 7598 | { |
| 7599 | info->pending_lineno_filename = filename; |
| 7600 | info->pending_lineno = lineno; |
| 7601 | info->pending_lineno_addr = addr; |
| 7602 | } |
| 7603 | |
| 7604 | return true; |
| 7605 | } |