| 1 | /* *INDENT-OFF* */ /* ATTRIBUTE_PRINTF confuses indent, avoid running it |
| 2 | for now. */ |
| 3 | /* Basic, host-specific, and target-specific definitions for GDB. |
| 4 | Copyright (C) 1986-2020 Free Software Foundation, Inc. |
| 5 | Copyright (C) 2019-2020 Advanced Micro Devices, Inc. All rights reserved. |
| 6 | |
| 7 | This file is part of GDB. |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 3 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 21 | |
| 22 | #ifndef DEFS_H |
| 23 | #define DEFS_H |
| 24 | |
| 25 | #ifdef GDBSERVER |
| 26 | # error gdbserver should not include gdb/defs.h |
| 27 | #endif |
| 28 | |
| 29 | #include "gdbsupport/common-defs.h" |
| 30 | |
| 31 | #include <sys/types.h> |
| 32 | #include <limits.h> |
| 33 | |
| 34 | /* The libdecnumber library, on which GDB depends, includes a header file |
| 35 | called gstdint.h instead of relying directly on stdint.h. GDB, on the |
| 36 | other hand, includes stdint.h directly, relying on the fact that gnulib |
| 37 | generates a copy if the system doesn't provide one or if it is missing |
| 38 | some features. Unfortunately, gstdint.h and stdint.h cannot be included |
| 39 | at the same time, which may happen when we include a file from |
| 40 | libdecnumber. |
| 41 | |
| 42 | The following macro definition effectively prevents the inclusion of |
| 43 | gstdint.h, as all the definitions it provides are guarded against |
| 44 | the GCC_GENERATED_STDINT_H macro. We already have gnulib/stdint.h |
| 45 | included, so it's ok to blank out gstdint.h. */ |
| 46 | #define GCC_GENERATED_STDINT_H 1 |
| 47 | |
| 48 | #include <unistd.h> |
| 49 | |
| 50 | #include <fcntl.h> |
| 51 | |
| 52 | #include "gdb_wchar.h" |
| 53 | |
| 54 | #include "ui-file.h" |
| 55 | |
| 56 | #include "gdbsupport/host-defs.h" |
| 57 | #include "gdbsupport/enum-flags.h" |
| 58 | |
| 59 | /* Scope types enumerator. List the types of scopes the compiler will |
| 60 | accept. */ |
| 61 | |
| 62 | enum compile_i_scope_types |
| 63 | { |
| 64 | COMPILE_I_INVALID_SCOPE, |
| 65 | |
| 66 | /* A simple scope. Wrap an expression into a simple scope that |
| 67 | takes no arguments, returns no value, and uses the generic |
| 68 | function name "_gdb_expr". */ |
| 69 | |
| 70 | COMPILE_I_SIMPLE_SCOPE, |
| 71 | |
| 72 | /* Do not wrap the expression, |
| 73 | it has to provide function "_gdb_expr" on its own. */ |
| 74 | COMPILE_I_RAW_SCOPE, |
| 75 | |
| 76 | /* A printable expression scope. Wrap an expression into a scope |
| 77 | suitable for the "compile print" command. It uses the generic |
| 78 | function name "_gdb_expr". COMPILE_I_PRINT_ADDRESS_SCOPE variant |
| 79 | is the usual one, taking address of the object. |
| 80 | COMPILE_I_PRINT_VALUE_SCOPE is needed for arrays where the array |
| 81 | name already specifies its address. See get_out_value_type. */ |
| 82 | COMPILE_I_PRINT_ADDRESS_SCOPE, |
| 83 | COMPILE_I_PRINT_VALUE_SCOPE, |
| 84 | }; |
| 85 | |
| 86 | |
| 87 | template<typename T> |
| 88 | using RequireLongest = gdb::Requires<gdb::Or<std::is_same<T, LONGEST>, |
| 89 | std::is_same<T, ULONGEST>>>; |
| 90 | |
| 91 | /* Just in case they're not defined in stdio.h. */ |
| 92 | |
| 93 | #ifndef SEEK_SET |
| 94 | #define SEEK_SET 0 |
| 95 | #endif |
| 96 | #ifndef SEEK_CUR |
| 97 | #define SEEK_CUR 1 |
| 98 | #endif |
| 99 | |
| 100 | /* The O_BINARY flag is defined in fcntl.h on some non-Posix platforms. |
| 101 | It is used as an access modifier in calls to open(), where it acts |
| 102 | similarly to the "b" character in fopen()'s MODE argument. On Posix |
| 103 | platforms it should be a no-op, so it is defined as 0 here. This |
| 104 | ensures that the symbol may be used freely elsewhere in gdb. */ |
| 105 | |
| 106 | #ifndef O_BINARY |
| 107 | #define O_BINARY 0 |
| 108 | #endif |
| 109 | |
| 110 | #include "hashtab.h" |
| 111 | |
| 112 | /* * Enable dbx commands if set. */ |
| 113 | extern int dbx_commands; |
| 114 | |
| 115 | /* * System root path, used to find libraries etc. */ |
| 116 | extern char *gdb_sysroot; |
| 117 | |
| 118 | /* * GDB datadir, used to store data files. */ |
| 119 | extern std::string gdb_datadir; |
| 120 | |
| 121 | /* * If not empty, the possibly relocated path to python's "lib" directory |
| 122 | specified with --with-python. */ |
| 123 | extern std::string python_libdir; |
| 124 | |
| 125 | /* * Search path for separate debug files. */ |
| 126 | extern char *debug_file_directory; |
| 127 | |
| 128 | /* GDB's SIGINT handler basically sets a flag; code that might take a |
| 129 | long time before it gets back to the event loop, and which ought to |
| 130 | be interruptible, checks this flag using the QUIT macro, which, if |
| 131 | GDB has the terminal, throws a quit exception. |
| 132 | |
| 133 | In addition to setting a flag, the SIGINT handler also marks a |
| 134 | select/poll-able file descriptor as read-ready. That is used by |
| 135 | interruptible_select in order to support interrupting blocking I/O |
| 136 | in a race-free manner. |
| 137 | |
| 138 | These functions use the extension_language_ops API to allow extension |
| 139 | language(s) and GDB SIGINT handling to coexist seamlessly. */ |
| 140 | |
| 141 | /* * Evaluate to non-zero if the quit flag is set, zero otherwise. This |
| 142 | will clear the quit flag as a side effect. */ |
| 143 | extern int check_quit_flag (void); |
| 144 | /* * Set the quit flag. */ |
| 145 | extern void set_quit_flag (void); |
| 146 | |
| 147 | /* The current quit handler (and its type). This is called from the |
| 148 | QUIT macro. See default_quit_handler below for default behavior. |
| 149 | Parts of GDB temporarily override this to e.g., completely suppress |
| 150 | Ctrl-C because it would not be safe to throw. E.g., normally, you |
| 151 | wouldn't want to quit between a RSP command and its response, as |
| 152 | that would break the communication with the target, but you may |
| 153 | still want to intercept the Ctrl-C and offer to disconnect if the |
| 154 | user presses Ctrl-C multiple times while the target is stuck |
| 155 | waiting for the wedged remote stub. */ |
| 156 | typedef void (quit_handler_ftype) (void); |
| 157 | extern quit_handler_ftype *quit_handler; |
| 158 | |
| 159 | /* The default quit handler. Checks whether Ctrl-C was pressed, and |
| 160 | if so: |
| 161 | |
| 162 | - If GDB owns the terminal, throws a quit exception. |
| 163 | |
| 164 | - If GDB does not own the terminal, forwards the Ctrl-C to the |
| 165 | target. |
| 166 | */ |
| 167 | extern void default_quit_handler (void); |
| 168 | |
| 169 | /* Flag that function quit should call quit_force. */ |
| 170 | extern volatile int sync_quit_force_run; |
| 171 | |
| 172 | extern void quit (void); |
| 173 | |
| 174 | /* Helper for the QUIT macro. */ |
| 175 | |
| 176 | extern void maybe_quit (void); |
| 177 | |
| 178 | /* Check whether a Ctrl-C was typed, and if so, call the current quit |
| 179 | handler. */ |
| 180 | #define QUIT maybe_quit () |
| 181 | |
| 182 | /* Set the serial event associated with the quit flag. */ |
| 183 | extern void quit_serial_event_set (void); |
| 184 | |
| 185 | /* Clear the serial event associated with the quit flag. */ |
| 186 | extern void quit_serial_event_clear (void); |
| 187 | |
| 188 | /* * Languages represented in the symbol table and elsewhere. |
| 189 | This should probably be in language.h, but since enum's can't |
| 190 | be forward declared to satisfy opaque references before their |
| 191 | actual definition, needs to be here. |
| 192 | |
| 193 | The constants here are in priority order. In particular, |
| 194 | demangling is attempted according to this order. |
| 195 | |
| 196 | Note that there's ambiguity between the mangling schemes of some of |
| 197 | these languages, so some symbols could be successfully demangled by |
| 198 | several languages. For that reason, the constants here are sorted |
| 199 | in the order we'll attempt demangling them. For example: Rust uses |
| 200 | C++ mangling, so must come after C++; Ada must come last (see |
| 201 | ada_sniff_from_mangled_name). (Keep this order in sync with the |
| 202 | 'languages' array in language.c.) */ |
| 203 | |
| 204 | enum language |
| 205 | { |
| 206 | language_unknown, /* Language not known */ |
| 207 | language_auto, /* Placeholder for automatic setting */ |
| 208 | language_c, /* C */ |
| 209 | language_objc, /* Objective-C */ |
| 210 | language_cplus, /* C++ */ |
| 211 | language_d, /* D */ |
| 212 | language_go, /* Go */ |
| 213 | language_fortran, /* Fortran */ |
| 214 | language_m2, /* Modula-2 */ |
| 215 | language_asm, /* Assembly language */ |
| 216 | language_pascal, /* Pascal */ |
| 217 | language_opencl, /* OpenCL */ |
| 218 | language_rust, /* Rust */ |
| 219 | language_minimal, /* All other languages, minimal support only */ |
| 220 | language_ada, /* Ada */ |
| 221 | nr_languages |
| 222 | }; |
| 223 | |
| 224 | /* The number of bits needed to represent all languages, with enough |
| 225 | padding to allow for reasonable growth. */ |
| 226 | #define LANGUAGE_BITS 5 |
| 227 | gdb_static_assert (nr_languages <= (1 << LANGUAGE_BITS)); |
| 228 | |
| 229 | enum precision_type |
| 230 | { |
| 231 | single_precision, |
| 232 | double_precision, |
| 233 | unspecified_precision |
| 234 | }; |
| 235 | |
| 236 | /* * A generic, not quite boolean, enumeration. This is used for |
| 237 | set/show commands in which the options are on/off/automatic. */ |
| 238 | enum auto_boolean |
| 239 | { |
| 240 | AUTO_BOOLEAN_TRUE, |
| 241 | AUTO_BOOLEAN_FALSE, |
| 242 | AUTO_BOOLEAN_AUTO |
| 243 | }; |
| 244 | |
| 245 | /* * Potential ways that a function can return a value of a given |
| 246 | type. */ |
| 247 | |
| 248 | enum return_value_convention |
| 249 | { |
| 250 | /* * Where the return value has been squeezed into one or more |
| 251 | registers. */ |
| 252 | RETURN_VALUE_REGISTER_CONVENTION, |
| 253 | /* * Commonly known as the "struct return convention". The caller |
| 254 | passes an additional hidden first parameter to the caller. That |
| 255 | parameter contains the address at which the value being returned |
| 256 | should be stored. While typically, and historically, used for |
| 257 | large structs, this is convention is applied to values of many |
| 258 | different types. */ |
| 259 | RETURN_VALUE_STRUCT_CONVENTION, |
| 260 | /* * Like the "struct return convention" above, but where the ABI |
| 261 | guarantees that the called function stores the address at which |
| 262 | the value being returned is stored in a well-defined location, |
| 263 | such as a register or memory slot in the stack frame. Don't use |
| 264 | this if the ABI doesn't explicitly guarantees this. */ |
| 265 | RETURN_VALUE_ABI_RETURNS_ADDRESS, |
| 266 | /* * Like the "struct return convention" above, but where the ABI |
| 267 | guarantees that the address at which the value being returned is |
| 268 | stored will be available in a well-defined location, such as a |
| 269 | register or memory slot in the stack frame. Don't use this if |
| 270 | the ABI doesn't explicitly guarantees this. */ |
| 271 | RETURN_VALUE_ABI_PRESERVES_ADDRESS, |
| 272 | }; |
| 273 | |
| 274 | /* Needed for various prototypes */ |
| 275 | |
| 276 | struct symtab; |
| 277 | struct breakpoint; |
| 278 | struct frame_info; |
| 279 | struct gdbarch; |
| 280 | struct value; |
| 281 | |
| 282 | /* From main.c. */ |
| 283 | |
| 284 | /* This really belong in utils.c (path-utils.c?), but it references some |
| 285 | globals that are currently only available to main.c. */ |
| 286 | extern std::string relocate_gdb_directory (const char *initial, bool relocatable); |
| 287 | |
| 288 | \f |
| 289 | /* Annotation stuff. */ |
| 290 | |
| 291 | extern int annotation_level; /* in stack.c */ |
| 292 | \f |
| 293 | |
| 294 | /* From regex.c or libc. BSD 4.4 declares this with the argument type as |
| 295 | "const char *" in unistd.h, so we can't declare the argument |
| 296 | as "char *". */ |
| 297 | |
| 298 | EXTERN_C char *re_comp (const char *); |
| 299 | |
| 300 | /* From symfile.c */ |
| 301 | |
| 302 | extern void symbol_file_command (const char *, int); |
| 303 | |
| 304 | /* From top.c */ |
| 305 | |
| 306 | typedef void initialize_file_ftype (void); |
| 307 | |
| 308 | extern char *gdb_readline_wrapper (const char *); |
| 309 | |
| 310 | extern const char *command_line_input (const char *, const char *); |
| 311 | |
| 312 | extern void print_prompt (void); |
| 313 | |
| 314 | struct ui; |
| 315 | |
| 316 | extern int input_interactive_p (struct ui *); |
| 317 | |
| 318 | extern bool info_verbose; |
| 319 | |
| 320 | /* From printcmd.c */ |
| 321 | |
| 322 | extern void set_next_address (struct gdbarch *, CORE_ADDR); |
| 323 | |
| 324 | extern int print_address_symbolic (struct gdbarch *, CORE_ADDR, |
| 325 | struct ui_file *, int, |
| 326 | const char *); |
| 327 | |
| 328 | extern void print_address (struct gdbarch *, CORE_ADDR, struct ui_file *); |
| 329 | extern const char *pc_prefix (CORE_ADDR); |
| 330 | |
| 331 | /* From exec.c */ |
| 332 | |
| 333 | /* * Process memory area starting at ADDR with length SIZE. Area is |
| 334 | readable iff READ is non-zero, writable if WRITE is non-zero, |
| 335 | executable if EXEC is non-zero. Area is possibly changed against |
| 336 | its original file based copy if MODIFIED is non-zero. DATA is |
| 337 | passed without changes from a caller. */ |
| 338 | |
| 339 | typedef int (*find_memory_region_ftype) (CORE_ADDR addr, unsigned long size, |
| 340 | int read, int write, int exec, |
| 341 | int modified, void *data); |
| 342 | |
| 343 | /* * Possible lvalue types. Like enum language, this should be in |
| 344 | value.h, but needs to be here for the same reason. */ |
| 345 | |
| 346 | enum lval_type |
| 347 | { |
| 348 | /* * Not an lval. */ |
| 349 | not_lval, |
| 350 | /* * In memory. */ |
| 351 | lval_memory, |
| 352 | /* * In a register. Registers are relative to a frame. */ |
| 353 | lval_register, |
| 354 | /* * In a gdb internal variable. */ |
| 355 | lval_internalvar, |
| 356 | /* * Value encapsulates a callable defined in an extension language. */ |
| 357 | lval_xcallable, |
| 358 | /* * Part of a gdb internal variable (structure field). */ |
| 359 | lval_internalvar_component, |
| 360 | /* * Value's bits are fetched and stored using functions provided |
| 361 | by its creator. */ |
| 362 | lval_computed |
| 363 | }; |
| 364 | |
| 365 | /* * Parameters of the "info proc" command. */ |
| 366 | |
| 367 | enum info_proc_what |
| 368 | { |
| 369 | /* * Display the default cmdline, cwd and exe outputs. */ |
| 370 | IP_MINIMAL, |
| 371 | |
| 372 | /* * Display `info proc mappings'. */ |
| 373 | IP_MAPPINGS, |
| 374 | |
| 375 | /* * Display `info proc status'. */ |
| 376 | IP_STATUS, |
| 377 | |
| 378 | /* * Display `info proc stat'. */ |
| 379 | IP_STAT, |
| 380 | |
| 381 | /* * Display `info proc cmdline'. */ |
| 382 | IP_CMDLINE, |
| 383 | |
| 384 | /* * Display `info proc exe'. */ |
| 385 | IP_EXE, |
| 386 | |
| 387 | /* * Display `info proc cwd'. */ |
| 388 | IP_CWD, |
| 389 | |
| 390 | /* * Display `info proc files'. */ |
| 391 | IP_FILES, |
| 392 | |
| 393 | /* * Display all of the above. */ |
| 394 | IP_ALL |
| 395 | }; |
| 396 | |
| 397 | /* * Default radixes for input and output. Only some values supported. */ |
| 398 | extern unsigned input_radix; |
| 399 | extern unsigned output_radix; |
| 400 | |
| 401 | /* * Possibilities for prettyformat parameters to routines which print |
| 402 | things. Like enum language, this should be in value.h, but needs |
| 403 | to be here for the same reason. FIXME: If we can eliminate this |
| 404 | as an arg to LA_VAL_PRINT, then we can probably move it back to |
| 405 | value.h. */ |
| 406 | |
| 407 | enum val_prettyformat |
| 408 | { |
| 409 | Val_no_prettyformat = 0, |
| 410 | Val_prettyformat, |
| 411 | /* * Use the default setting which the user has specified. */ |
| 412 | Val_prettyformat_default |
| 413 | }; |
| 414 | |
| 415 | /* * Optional native machine support. Non-native (and possibly pure |
| 416 | multi-arch) targets do not need a "nm.h" file. This will be a |
| 417 | symlink to one of the nm-*.h files, built by the `configure' |
| 418 | script. */ |
| 419 | |
| 420 | #ifdef GDB_NM_FILE |
| 421 | #include "nm.h" |
| 422 | #endif |
| 423 | |
| 424 | /* Assume that fopen accepts the letter "b" in the mode string. |
| 425 | It is demanded by ISO C9X, and should be supported on all |
| 426 | platforms that claim to have a standard-conforming C library. On |
| 427 | true POSIX systems it will be ignored and have no effect. There |
| 428 | may still be systems without a standard-conforming C library where |
| 429 | an ISO C9X compiler (GCC) is available. Known examples are SunOS |
| 430 | 4.x and 4.3BSD. This assumption means these systems are no longer |
| 431 | supported. */ |
| 432 | #ifndef FOPEN_RB |
| 433 | # include "fopen-bin.h" |
| 434 | #endif |
| 435 | |
| 436 | /* Defaults for system-wide constants (if not defined by xm.h, we fake it). |
| 437 | FIXME: Assumes 2's complement arithmetic. */ |
| 438 | |
| 439 | #if !defined (UINT_MAX) |
| 440 | #define UINT_MAX ((unsigned int)(~0)) /* 0xFFFFFFFF for 32-bits */ |
| 441 | #endif |
| 442 | |
| 443 | #if !defined (INT_MAX) |
| 444 | #define INT_MAX ((int)(UINT_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
| 445 | #endif |
| 446 | |
| 447 | #if !defined (INT_MIN) |
| 448 | #define INT_MIN ((int)((int) ~0 ^ INT_MAX)) /* 0x80000000 for 32-bits */ |
| 449 | #endif |
| 450 | |
| 451 | #if !defined (ULONG_MAX) |
| 452 | #define ULONG_MAX ((unsigned long)(~0L)) /* 0xFFFFFFFF for 32-bits */ |
| 453 | #endif |
| 454 | |
| 455 | #if !defined (LONG_MAX) |
| 456 | #define LONG_MAX ((long)(ULONG_MAX >> 1)) /* 0x7FFFFFFF for 32-bits */ |
| 457 | #endif |
| 458 | |
| 459 | #if !defined (ULONGEST_MAX) |
| 460 | #define ULONGEST_MAX (~(ULONGEST)0) /* 0xFFFFFFFFFFFFFFFF for 64-bits */ |
| 461 | #endif |
| 462 | |
| 463 | #if !defined (LONGEST_MAX) /* 0x7FFFFFFFFFFFFFFF for 64-bits */ |
| 464 | #define LONGEST_MAX ((LONGEST)(ULONGEST_MAX >> 1)) |
| 465 | #endif |
| 466 | |
| 467 | /* * Convert a LONGEST to an int. This is used in contexts (e.g. number of |
| 468 | arguments to a function, number in a value history, register number, etc.) |
| 469 | where the value must not be larger than can fit in an int. */ |
| 470 | |
| 471 | extern int longest_to_int (LONGEST); |
| 472 | |
| 473 | /* * List of known OS ABIs. If you change this, make sure to update the |
| 474 | table in osabi.c. */ |
| 475 | enum gdb_osabi |
| 476 | { |
| 477 | GDB_OSABI_UNKNOWN = 0, /* keep this zero */ |
| 478 | GDB_OSABI_NONE, |
| 479 | |
| 480 | GDB_OSABI_SVR4, |
| 481 | GDB_OSABI_HURD, |
| 482 | GDB_OSABI_SOLARIS, |
| 483 | GDB_OSABI_LINUX, |
| 484 | GDB_OSABI_FREEBSD, |
| 485 | GDB_OSABI_NETBSD, |
| 486 | GDB_OSABI_OPENBSD, |
| 487 | GDB_OSABI_WINCE, |
| 488 | GDB_OSABI_GO32, |
| 489 | GDB_OSABI_QNXNTO, |
| 490 | GDB_OSABI_CYGWIN, |
| 491 | GDB_OSABI_AIX, |
| 492 | GDB_OSABI_DICOS, |
| 493 | GDB_OSABI_DARWIN, |
| 494 | GDB_OSABI_SYMBIAN, |
| 495 | GDB_OSABI_OPENVMS, |
| 496 | GDB_OSABI_LYNXOS178, |
| 497 | GDB_OSABI_NEWLIB, |
| 498 | GDB_OSABI_SDE, |
| 499 | GDB_OSABI_PIKEOS, |
| 500 | GDB_OSABI_AMDGPU_HSA, |
| 501 | |
| 502 | GDB_OSABI_INVALID /* keep this last */ |
| 503 | }; |
| 504 | |
| 505 | /* Enumerate the requirements a symbol has in order to be evaluated. |
| 506 | These are listed in order of "strength" -- a later entry subsumes |
| 507 | earlier ones. This fine-grained distinction is important because |
| 508 | it allows for the evaluation of a TLS symbol during unwinding -- |
| 509 | when unwinding one has access to registers, but not the frame |
| 510 | itself, because that is being constructed. */ |
| 511 | |
| 512 | enum symbol_needs_kind |
| 513 | { |
| 514 | /* No special requirements -- just memory. */ |
| 515 | SYMBOL_NEEDS_NONE, |
| 516 | |
| 517 | /* The symbol needs registers. */ |
| 518 | SYMBOL_NEEDS_REGISTERS, |
| 519 | |
| 520 | /* The symbol needs a frame. */ |
| 521 | SYMBOL_NEEDS_FRAME |
| 522 | }; |
| 523 | |
| 524 | /* In findvar.c. */ |
| 525 | |
| 526 | template<typename T, typename = RequireLongest<T>> |
| 527 | T extract_integer (const gdb_byte *addr, int len, enum bfd_endian byte_order); |
| 528 | |
| 529 | static inline LONGEST |
| 530 | extract_signed_integer (const gdb_byte *addr, int len, |
| 531 | enum bfd_endian byte_order) |
| 532 | { |
| 533 | return extract_integer<LONGEST> (addr, len, byte_order); |
| 534 | } |
| 535 | |
| 536 | static inline ULONGEST |
| 537 | extract_unsigned_integer (const gdb_byte *addr, int len, |
| 538 | enum bfd_endian byte_order) |
| 539 | { |
| 540 | return extract_integer<ULONGEST> (addr, len, byte_order); |
| 541 | } |
| 542 | |
| 543 | extern int extract_long_unsigned_integer (const gdb_byte *, int, |
| 544 | enum bfd_endian, LONGEST *); |
| 545 | |
| 546 | extern CORE_ADDR extract_typed_address (const gdb_byte *buf, |
| 547 | struct type *type); |
| 548 | |
| 549 | /* All 'store' functions accept a host-format integer and store a |
| 550 | target-format integer at ADDR which is LEN bytes long. */ |
| 551 | |
| 552 | template<typename T, typename = RequireLongest<T>> |
| 553 | extern void store_integer (gdb_byte *addr, int len, enum bfd_endian byte_order, |
| 554 | T val); |
| 555 | |
| 556 | static inline void |
| 557 | store_signed_integer (gdb_byte *addr, int len, |
| 558 | enum bfd_endian byte_order, LONGEST val) |
| 559 | { |
| 560 | return store_integer (addr, len, byte_order, val); |
| 561 | } |
| 562 | |
| 563 | static inline void |
| 564 | store_unsigned_integer (gdb_byte *addr, int len, |
| 565 | enum bfd_endian byte_order, ULONGEST val) |
| 566 | { |
| 567 | return store_integer (addr, len, byte_order, val); |
| 568 | } |
| 569 | |
| 570 | extern void store_typed_address (gdb_byte *buf, struct type *type, |
| 571 | CORE_ADDR addr); |
| 572 | |
| 573 | extern void copy_integer_to_size (gdb_byte *dest, int dest_size, |
| 574 | const gdb_byte *source, int source_size, |
| 575 | bool is_signed, enum bfd_endian byte_order); |
| 576 | |
| 577 | /* Hooks for alternate command interfaces. */ |
| 578 | |
| 579 | struct target_waitstatus; |
| 580 | struct cmd_list_element; |
| 581 | |
| 582 | extern void (*deprecated_pre_add_symbol_hook) (const char *); |
| 583 | extern void (*deprecated_post_add_symbol_hook) (void); |
| 584 | extern void (*selected_frame_level_changed_hook) (int); |
| 585 | extern int (*deprecated_ui_loop_hook) (int signo); |
| 586 | extern void (*deprecated_show_load_progress) (const char *section, |
| 587 | unsigned long section_sent, |
| 588 | unsigned long section_size, |
| 589 | unsigned long total_sent, |
| 590 | unsigned long total_size); |
| 591 | extern void (*deprecated_print_frame_info_listing_hook) (struct symtab * s, |
| 592 | int line, |
| 593 | int stopline, |
| 594 | int noerror); |
| 595 | extern int (*deprecated_query_hook) (const char *, va_list) |
| 596 | ATTRIBUTE_FPTR_PRINTF(1,0); |
| 597 | extern void (*deprecated_warning_hook) (const char *, va_list) |
| 598 | ATTRIBUTE_FPTR_PRINTF(1,0); |
| 599 | extern void (*deprecated_readline_begin_hook) (const char *, ...) |
| 600 | ATTRIBUTE_FPTR_PRINTF_1; |
| 601 | extern char *(*deprecated_readline_hook) (const char *); |
| 602 | extern void (*deprecated_readline_end_hook) (void); |
| 603 | extern void (*deprecated_context_hook) (int); |
| 604 | extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid, |
| 605 | struct target_waitstatus *status, |
| 606 | int options); |
| 607 | |
| 608 | extern void (*deprecated_attach_hook) (void); |
| 609 | extern void (*deprecated_detach_hook) (void); |
| 610 | extern void (*deprecated_call_command_hook) (struct cmd_list_element * c, |
| 611 | const char *cmd, int from_tty); |
| 612 | |
| 613 | extern int (*deprecated_ui_load_progress_hook) (const char *section, |
| 614 | unsigned long num); |
| 615 | |
| 616 | /* If this definition isn't overridden by the header files, assume |
| 617 | that isatty and fileno exist on this system. */ |
| 618 | #ifndef ISATTY |
| 619 | #define ISATTY(FP) (isatty (fileno (FP))) |
| 620 | #endif |
| 621 | |
| 622 | /* * A width that can achieve a better legibility for GDB MI mode. */ |
| 623 | #define GDB_MI_MSG_WIDTH 80 |
| 624 | |
| 625 | /* From progspace.c */ |
| 626 | |
| 627 | extern void initialize_progspace (void); |
| 628 | extern void initialize_inferiors (void); |
| 629 | |
| 630 | /* * Special block numbers */ |
| 631 | |
| 632 | enum block_enum |
| 633 | { |
| 634 | GLOBAL_BLOCK = 0, |
| 635 | STATIC_BLOCK = 1, |
| 636 | FIRST_LOCAL_BLOCK = 2 |
| 637 | }; |
| 638 | |
| 639 | /* User selection used in observable.h and multiple print functions. */ |
| 640 | |
| 641 | enum user_selected_what_flag |
| 642 | { |
| 643 | /* Inferior selected. */ |
| 644 | USER_SELECTED_INFERIOR = 1 << 1, |
| 645 | |
| 646 | /* Thread selected. */ |
| 647 | USER_SELECTED_THREAD = 1 << 2, |
| 648 | |
| 649 | /* Frame selected. */ |
| 650 | USER_SELECTED_FRAME = 1 << 3 |
| 651 | }; |
| 652 | DEF_ENUM_FLAGS_TYPE (enum user_selected_what_flag, user_selected_what); |
| 653 | |
| 654 | #include "utils.h" |
| 655 | |
| 656 | #endif /* #ifndef DEFS_H */ |