| 1 | /* Native support for Motorola 88k running Harris CX/UX. |
| 2 | Copyright 1988, 1990, 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, |
| 3 | 2001 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 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, |
| 20 | Boston, MA 02111-1307, USA. */ |
| 21 | |
| 22 | #include "defs.h" |
| 23 | #include "frame.h" |
| 24 | #include "inferior.h" |
| 25 | |
| 26 | #include <sys/types.h> |
| 27 | #include <sys/param.h> |
| 28 | #include <sys/dir.h> |
| 29 | #include <signal.h> |
| 30 | #include "gdbcore.h" |
| 31 | #include <sys/user.h> |
| 32 | |
| 33 | #include "bfd.h" |
| 34 | #include "symfile.h" |
| 35 | #include "objfiles.h" |
| 36 | #include "symtab.h" |
| 37 | #include "regcache.h" |
| 38 | |
| 39 | #ifndef USER /* added to support BCS ptrace_user */ |
| 40 | #define USER ptrace_user |
| 41 | #endif |
| 42 | #include <sys/ioctl.h> |
| 43 | #include <fcntl.h> |
| 44 | #include <sys/file.h> |
| 45 | #include "gdb_stat.h" |
| 46 | |
| 47 | #include "symtab.h" |
| 48 | #include "setjmp.h" |
| 49 | #include "value.h" |
| 50 | |
| 51 | #include <sys/ptrace.h> |
| 52 | |
| 53 | /* CX/UX provides them already, but as word offsets instead of char offsets */ |
| 54 | #define SXIP_OFFSET (PT_SXIP * 4) |
| 55 | #define SNIP_OFFSET (PT_SNIP * 4) |
| 56 | #define SFIP_OFFSET (PT_SFIP * 4) |
| 57 | #define PSR_OFFSET (PT_PSR * sizeof(int)) |
| 58 | #define FPSR_OFFSET (PT_FPSR * sizeof(int)) |
| 59 | #define FPCR_OFFSET (PT_FPCR * sizeof(int)) |
| 60 | |
| 61 | #define XREGADDR(r) (((char *)&u.pt_x0-(char *)&u) + \ |
| 62 | ((r)-X0_REGNUM)*sizeof(X_REGISTER_RAW_TYPE)) |
| 63 | |
| 64 | extern int have_symbol_file_p (); |
| 65 | |
| 66 | extern jmp_buf stack_jmp; |
| 67 | |
| 68 | extern int errno; |
| 69 | |
| 70 | void |
| 71 | fetch_inferior_registers (int regno) |
| 72 | { |
| 73 | register unsigned int regaddr; |
| 74 | char buf[MAX_REGISTER_RAW_SIZE]; |
| 75 | register int i; |
| 76 | |
| 77 | struct USER u; |
| 78 | unsigned int offset; |
| 79 | |
| 80 | offset = (char *) &u.pt_r0 - (char *) &u; |
| 81 | regaddr = offset; /* byte offset to r0; */ |
| 82 | |
| 83 | /* offset = ptrace (3, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) offset, 0) - KERNEL_U_ADDR; */ |
| 84 | for (regno = 0; regno < PC_REGNUM; regno++) |
| 85 | { |
| 86 | /*regaddr = register_addr (regno, offset); */ |
| 87 | /* 88k enhancement */ |
| 88 | |
| 89 | for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int)) |
| 90 | { |
| 91 | *(int *) &buf[i] = ptrace (3, PIDGET (inferior_ptid), |
| 92 | (PTRACE_ARG3_TYPE) regaddr, 0); |
| 93 | regaddr += sizeof (int); |
| 94 | } |
| 95 | supply_register (regno, buf); |
| 96 | } |
| 97 | /* now load up registers 32-37; special pc registers */ |
| 98 | *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), |
| 99 | (PTRACE_ARG3_TYPE) PSR_OFFSET, 0); |
| 100 | supply_register (PSR_REGNUM, buf); |
| 101 | *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), |
| 102 | (PTRACE_ARG3_TYPE) FPSR_OFFSET, 0); |
| 103 | supply_register (FPSR_REGNUM, buf); |
| 104 | *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), |
| 105 | (PTRACE_ARG3_TYPE) FPCR_OFFSET, 0); |
| 106 | supply_register (FPCR_REGNUM, buf); |
| 107 | *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), |
| 108 | (PTRACE_ARG3_TYPE) SXIP_OFFSET, 0); |
| 109 | supply_register (SXIP_REGNUM, buf); |
| 110 | *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), |
| 111 | (PTRACE_ARG3_TYPE) SNIP_OFFSET, 0); |
| 112 | supply_register (SNIP_REGNUM, buf); |
| 113 | *(int *) &buf[0] = ptrace (3, PIDGET (inferior_ptid), |
| 114 | (PTRACE_ARG3_TYPE) SFIP_OFFSET, 0); |
| 115 | supply_register (SFIP_REGNUM, buf); |
| 116 | |
| 117 | if (target_is_m88110) |
| 118 | { |
| 119 | for (regaddr = XREGADDR (X0_REGNUM), regno = X0_REGNUM; |
| 120 | regno < NUM_REGS; |
| 121 | regno++, regaddr += 16) |
| 122 | { |
| 123 | X_REGISTER_RAW_TYPE xval; |
| 124 | |
| 125 | *(int *) &xval.w1 = ptrace (3, PIDGET (inferior_ptid), |
| 126 | (PTRACE_ARG3_TYPE) regaddr, 0); |
| 127 | *(int *) &xval.w2 = ptrace (3, PIDGET (inferior_ptid), |
| 128 | (PTRACE_ARG3_TYPE) (regaddr + 4), 0); |
| 129 | *(int *) &xval.w3 = ptrace (3, PIDGET (inferior_ptid), |
| 130 | (PTRACE_ARG3_TYPE) (regaddr + 8), 0); |
| 131 | *(int *) &xval.w4 = ptrace (3, PIDGET (inferior_ptid), |
| 132 | (PTRACE_ARG3_TYPE) (regaddr + 12), 0); |
| 133 | supply_register (regno, (void *) &xval); |
| 134 | } |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | /* Store our register values back into the inferior. |
| 139 | If REGNO is -1, do this for all registers. |
| 140 | Otherwise, REGNO specifies which register (so we can save time). */ |
| 141 | |
| 142 | void |
| 143 | store_inferior_registers (int regno) |
| 144 | { |
| 145 | register unsigned int regaddr; |
| 146 | char buf[80]; |
| 147 | |
| 148 | struct USER u; |
| 149 | |
| 150 | unsigned int offset = (char *) &u.pt_r0 - (char *) &u; |
| 151 | |
| 152 | regaddr = offset; |
| 153 | |
| 154 | /* Don't try to deal with EXIP_REGNUM or ENIP_REGNUM, because I think either |
| 155 | svr3 doesn't run on an 88110, or the kernel isolates the different (not |
| 156 | completely sure this is true, but seems to be. */ |
| 157 | if (regno >= 0) |
| 158 | { |
| 159 | /* regaddr = register_addr (regno, offset); */ |
| 160 | if (regno < PC_REGNUM) |
| 161 | { |
| 162 | regaddr = offset + regno * sizeof (int); |
| 163 | errno = 0; |
| 164 | ptrace (6, PIDGET (inferior_ptid), |
| 165 | (PTRACE_ARG3_TYPE) regaddr, read_register (regno)); |
| 166 | if (errno != 0) |
| 167 | { |
| 168 | sprintf (buf, "writing register number %d", regno); |
| 169 | perror_with_name (buf); |
| 170 | } |
| 171 | } |
| 172 | else if (regno == PSR_REGNUM) |
| 173 | ptrace (6, PIDGET (inferior_ptid), |
| 174 | (PTRACE_ARG3_TYPE) PSR_OFFSET, read_register (regno)); |
| 175 | else if (regno == FPSR_REGNUM) |
| 176 | ptrace (6, PIDGET (inferior_ptid), |
| 177 | (PTRACE_ARG3_TYPE) FPSR_OFFSET, read_register (regno)); |
| 178 | else if (regno == FPCR_REGNUM) |
| 179 | ptrace (6, PIDGET (inferior_ptid), |
| 180 | (PTRACE_ARG3_TYPE) FPCR_OFFSET, read_register (regno)); |
| 181 | else if (regno == SXIP_REGNUM) |
| 182 | ptrace (6, PIDGET (inferior_ptid), |
| 183 | (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (regno)); |
| 184 | else if (regno == SNIP_REGNUM) |
| 185 | ptrace (6, PIDGET (inferior_ptid), |
| 186 | (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (regno)); |
| 187 | else if (regno == SFIP_REGNUM) |
| 188 | ptrace (6, PIDGET (inferior_ptid), |
| 189 | (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (regno)); |
| 190 | else if (target_is_m88110 && regno < NUM_REGS) |
| 191 | { |
| 192 | X_REGISTER_RAW_TYPE xval; |
| 193 | |
| 194 | read_register_bytes (REGISTER_BYTE (regno), (char *) &xval, |
| 195 | sizeof (X_REGISTER_RAW_TYPE)); |
| 196 | regaddr = XREGADDR (regno); |
| 197 | ptrace (6, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) regaddr, xval.w1); |
| 198 | ptrace (6, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) regaddr + 4, xval.w2); |
| 199 | ptrace (6, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) regaddr + 8, xval.w3); |
| 200 | ptrace (6, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) regaddr + 12, xval.w4); |
| 201 | } |
| 202 | else |
| 203 | printf_unfiltered ("Bad register number for store_inferior routine\n"); |
| 204 | } |
| 205 | else |
| 206 | { |
| 207 | for (regno = 0; regno < PC_REGNUM; regno++) |
| 208 | { |
| 209 | /* regaddr = register_addr (regno, offset); */ |
| 210 | errno = 0; |
| 211 | regaddr = offset + regno * sizeof (int); |
| 212 | ptrace (6, PIDGET (inferior_ptid), |
| 213 | (PTRACE_ARG3_TYPE) regaddr, read_register (regno)); |
| 214 | if (errno != 0) |
| 215 | { |
| 216 | sprintf (buf, "writing register number %d", regno); |
| 217 | perror_with_name (buf); |
| 218 | } |
| 219 | } |
| 220 | ptrace (6, PIDGET (inferior_ptid), |
| 221 | (PTRACE_ARG3_TYPE) PSR_OFFSET, read_register (regno)); |
| 222 | ptrace (6, PIDGET (inferior_ptid), |
| 223 | (PTRACE_ARG3_TYPE) FPSR_OFFSET, read_register (regno)); |
| 224 | ptrace (6, PIDGET (inferior_ptid), |
| 225 | (PTRACE_ARG3_TYPE) FPCR_OFFSET, read_register (regno)); |
| 226 | ptrace (6, PIDGET (inferior_ptid), |
| 227 | (PTRACE_ARG3_TYPE) SXIP_OFFSET, read_register (SXIP_REGNUM)); |
| 228 | ptrace (6, PIDGET (inferior_ptid), |
| 229 | (PTRACE_ARG3_TYPE) SNIP_OFFSET, read_register (SNIP_REGNUM)); |
| 230 | ptrace (6, PIDGET (inferior_ptid), |
| 231 | (PTRACE_ARG3_TYPE) SFIP_OFFSET, read_register (SFIP_REGNUM)); |
| 232 | if (target_is_m88110) |
| 233 | { |
| 234 | for (regno = X0_REGNUM; regno < NUM_REGS; regno++) |
| 235 | { |
| 236 | X_REGISTER_RAW_TYPE xval; |
| 237 | |
| 238 | read_register_bytes (REGISTER_BYTE (regno), (char *) &xval, |
| 239 | sizeof (X_REGISTER_RAW_TYPE)); |
| 240 | regaddr = XREGADDR (regno); |
| 241 | ptrace (6, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) regaddr, xval.w1); |
| 242 | ptrace (6, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) (regaddr + 4), xval.w2); |
| 243 | ptrace (6, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) (regaddr + 8), xval.w3); |
| 244 | ptrace (6, PIDGET (inferior_ptid), (PTRACE_ARG3_TYPE) (regaddr + 12), xval.w4); |
| 245 | } |
| 246 | } |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | /* blockend is the address of the end of the user structure */ |
| 251 | |
| 252 | m88k_register_u_addr (int blockend, int regnum) |
| 253 | { |
| 254 | struct USER u; |
| 255 | int ustart = blockend - sizeof (struct USER); |
| 256 | |
| 257 | if (regnum < PSR_REGNUM) |
| 258 | return (ustart + ((int) &u.pt_r0 - (int) &u) + |
| 259 | REGISTER_SIZE * regnum); |
| 260 | else if (regnum == PSR_REGNUM) |
| 261 | return (ustart + ((int) &u.pt_psr) - (int) &u); |
| 262 | else if (regnum == FPSR_REGNUM) |
| 263 | return (ustart + ((int) &u.pt_fpsr) - (int) &u); |
| 264 | else if (regnum == FPCR_REGNUM) |
| 265 | return (ustart + ((int) &u.pt_fpcr) - (int) &u); |
| 266 | else if (regnum == SXIP_REGNUM) |
| 267 | return (ustart + SXIP_OFFSET); |
| 268 | else if (regnum == SNIP_REGNUM) |
| 269 | return (ustart + SNIP_OFFSET); |
| 270 | else if (regnum == SFIP_REGNUM) |
| 271 | return (ustart + SFIP_OFFSET); |
| 272 | else if (target_is_m88110) |
| 273 | return (ustart + ((int) &u.pt_x0 - (int) &u) + /* Must be X register */ |
| 274 | sizeof (u.pt_x0) * (regnum - X0_REGNUM)); |
| 275 | else |
| 276 | return (blockend + REGISTER_SIZE * regnum); |
| 277 | } |
| 278 | |
| 279 | #ifdef USE_PROC_FS |
| 280 | |
| 281 | #include <sys/procfs.h> |
| 282 | |
| 283 | /* Prototypes for supply_gregset etc. */ |
| 284 | #include "gregset.h" |
| 285 | |
| 286 | /* Given a pointer to a general register set in /proc format (gregset_t *), |
| 287 | unpack the register contents and supply them as gdb's idea of the current |
| 288 | register values. */ |
| 289 | |
| 290 | void |
| 291 | supply_gregset (gregset_t *gregsetp) |
| 292 | { |
| 293 | register int regi; |
| 294 | register greg_t *regp = (greg_t *) gregsetp; |
| 295 | |
| 296 | for (regi = 0; regi <= SP_REGNUM; regi++) |
| 297 | supply_register (regi, (char *) (regp + regi)); |
| 298 | |
| 299 | supply_register (SXIP_REGNUM, (char *) (regp + R_XIP)); |
| 300 | supply_register (SNIP_REGNUM, (char *) (regp + R_NIP)); |
| 301 | supply_register (SFIP_REGNUM, (char *) (regp + R_FIP)); |
| 302 | supply_register (PSR_REGNUM, (char *) (regp + R_PSR)); |
| 303 | supply_register (FPSR_REGNUM, (char *) (regp + R_FPSR)); |
| 304 | supply_register (FPCR_REGNUM, (char *) (regp + R_FPCR)); |
| 305 | } |
| 306 | |
| 307 | void |
| 308 | fill_gregset (gregset_t *gregsetp, int regno) |
| 309 | { |
| 310 | int regi; |
| 311 | register greg_t *regp = (greg_t *) gregsetp; |
| 312 | |
| 313 | for (regi = 0; regi <= R_R31; regi++) |
| 314 | if ((regno == -1) || (regno == regi)) |
| 315 | *(regp + regi) = *(int *) ®isters[REGISTER_BYTE (regi)]; |
| 316 | |
| 317 | if ((regno == -1) || (regno == SXIP_REGNUM)) |
| 318 | *(regp + R_XIP) = *(int *) ®isters[REGISTER_BYTE (SXIP_REGNUM)]; |
| 319 | if ((regno == -1) || (regno == SNIP_REGNUM)) |
| 320 | *(regp + R_NIP) = *(int *) ®isters[REGISTER_BYTE (SNIP_REGNUM)]; |
| 321 | if ((regno == -1) || (regno == SFIP_REGNUM)) |
| 322 | *(regp + R_FIP) = *(int *) ®isters[REGISTER_BYTE (SFIP_REGNUM)]; |
| 323 | if ((regno == -1) || (regno == PSR_REGNUM)) |
| 324 | *(regp + R_PSR) = *(int *) ®isters[REGISTER_BYTE (PSR_REGNUM)]; |
| 325 | if ((regno == -1) || (regno == FPSR_REGNUM)) |
| 326 | *(regp + R_FPSR) = *(int *) ®isters[REGISTER_BYTE (FPSR_REGNUM)]; |
| 327 | if ((regno == -1) || (regno == FPCR_REGNUM)) |
| 328 | *(regp + R_FPCR) = *(int *) ®isters[REGISTER_BYTE (FPCR_REGNUM)]; |
| 329 | } |
| 330 | |
| 331 | #endif /* USE_PROC_FS */ |
| 332 | |
| 333 | /* This support adds the equivalent of adb's % command. When |
| 334 | the `add-shared-symbol-files' command is given, this routine scans |
| 335 | the dynamic linker's link map and reads the minimal symbols |
| 336 | from each shared object file listed in the map. */ |
| 337 | |
| 338 | struct link_map |
| 339 | { |
| 340 | unsigned long l_addr; /* address at which object is mapped */ |
| 341 | char *l_name; /* full name of loaded object */ |
| 342 | void *l_ld; /* dynamic structure of object */ |
| 343 | struct link_map *l_next; /* next link object */ |
| 344 | struct link_map *l_prev; /* previous link object */ |
| 345 | }; |
| 346 | |
| 347 | #define LINKS_MAP_POINTER "_ld_tail" |
| 348 | #define LIBC_FILE "/usr/lib/libc.so.1" |
| 349 | #define SHARED_OFFSET 0xf0001000 |
| 350 | |
| 351 | #ifndef PATH_MAX |
| 352 | #define PATH_MAX 1023 /* maximum size of path name on OS */ |
| 353 | #endif |
| 354 | |
| 355 | void |
| 356 | add_shared_symbol_files (void) |
| 357 | { |
| 358 | void *desc; |
| 359 | struct link_map *ld_map, *lm, lms; |
| 360 | struct minimal_symbol *minsym; |
| 361 | struct objfile *objfile; |
| 362 | char *path_name; |
| 363 | |
| 364 | if (ptid_equal (inferior_ptid, null_ptid)) |
| 365 | { |
| 366 | warning ("The program has not yet been started."); |
| 367 | return; |
| 368 | } |
| 369 | |
| 370 | objfile = symbol_file_add (LIBC_FILE, 0, NULL, 0, OBJF_READNOW); |
| 371 | minsym = lookup_minimal_symbol (LINKS_MAP_POINTER, objfile); |
| 372 | |
| 373 | ld_map = (struct link_map *) |
| 374 | read_memory_integer (((int) SYMBOL_VALUE_ADDRESS (minsym) + SHARED_OFFSET), 4); |
| 375 | lm = ld_map; |
| 376 | while (lm) |
| 377 | { |
| 378 | int local_errno = 0; |
| 379 | |
| 380 | read_memory ((CORE_ADDR) lm, (char *) &lms, sizeof (struct link_map)); |
| 381 | if (lms.l_name) |
| 382 | { |
| 383 | if (target_read_string ((CORE_ADDR) lms.l_name, &path_name, |
| 384 | PATH_MAX, &local_errno)) |
| 385 | { |
| 386 | struct section_addr_info section_addrs; |
| 387 | memset (§ion_addrs, 0, sizeof (section_addrs)); |
| 388 | section_addrs.other[0].addr = lms.l_addr; |
| 389 | section_addrs.other[0].name = ".text"; |
| 390 | symbol_file_add (path_name, 1, §ion_addrs, 0, 0); |
| 391 | xfree (path_name); |
| 392 | } |
| 393 | } |
| 394 | /* traverse links in reverse order so that we get the |
| 395 | the symbols the user actually gets. */ |
| 396 | lm = lms.l_prev; |
| 397 | } |
| 398 | |
| 399 | /* Getting new symbols may change our opinion about what is |
| 400 | frameless. */ |
| 401 | reinit_frame_cache (); |
| 402 | } |
| 403 | |
| 404 | #if defined(_ES_MP) |
| 405 | |
| 406 | #include <sys/regset.h> |
| 407 | |
| 408 | unsigned int |
| 409 | m88k_harris_core_register_addr (int regno, int reg_ptr) |
| 410 | { |
| 411 | unsigned int word_offset; |
| 412 | |
| 413 | switch (regno) |
| 414 | { |
| 415 | case PSR_REGNUM: |
| 416 | word_offset = R_EPSR; |
| 417 | break; |
| 418 | case FPSR_REGNUM: |
| 419 | word_offset = R_FPSR; |
| 420 | break; |
| 421 | case FPCR_REGNUM: |
| 422 | word_offset = R_FPCR; |
| 423 | break; |
| 424 | case SXIP_REGNUM: |
| 425 | word_offset = R_EXIP; |
| 426 | break; |
| 427 | case SNIP_REGNUM: |
| 428 | word_offset = R_ENIP; |
| 429 | break; |
| 430 | case SFIP_REGNUM: |
| 431 | word_offset = R_EFIP; |
| 432 | break; |
| 433 | default: |
| 434 | if (regno <= FP_REGNUM) |
| 435 | word_offset = regno; |
| 436 | else |
| 437 | word_offset = ((regno - X0_REGNUM) * 4); |
| 438 | } |
| 439 | return (word_offset * 4); |
| 440 | } |
| 441 | |
| 442 | #endif /* _ES_MP */ |
| 443 | |
| 444 | void |
| 445 | _initialize_m88k_nat (void) |
| 446 | { |
| 447 | #ifdef _ES_MP |
| 448 | /* Enable 88110 support, as we don't support the 88100 under ES/MP. */ |
| 449 | |
| 450 | target_is_m88110 = 1; |
| 451 | #elif defined(_CX_UX) |
| 452 | /* Determine whether we're running on an 88100 or an 88110. */ |
| 453 | target_is_m88110 = (sinfo (SYSMACHINE, 0) == SYS5800); |
| 454 | #endif /* _CX_UX */ |
| 455 | } |
| 456 | |
| 457 | #ifdef _ES_MP |
| 458 | /* Given a pointer to a general register set in /proc format (gregset_t *), |
| 459 | unpack the register contents and supply them as gdb's idea of the current |
| 460 | register values. */ |
| 461 | |
| 462 | void |
| 463 | supply_gregset (gregset_t *gregsetp) |
| 464 | { |
| 465 | register int regi; |
| 466 | register greg_t *regp = (greg_t *) gregsetp; |
| 467 | |
| 468 | for (regi = 0; regi < R_R31; regi++) |
| 469 | { |
| 470 | supply_register (regi, (char *) (regp + regi)); |
| 471 | } |
| 472 | supply_register (PSR_REGNUM, (char *) (regp + R_EPSR)); |
| 473 | supply_register (FPSR_REGNUM, (char *) (regp + R_FPSR)); |
| 474 | supply_register (FPCR_REGNUM, (char *) (regp + R_FPCR)); |
| 475 | supply_register (SXIP_REGNUM, (char *) (regp + R_EXIP)); |
| 476 | supply_register (SNIP_REGNUM, (char *) (regp + R_ENIP)); |
| 477 | supply_register (SFIP_REGNUM, (char *) (regp + R_EFIP)); |
| 478 | } |
| 479 | |
| 480 | /* Given a pointer to a floating point register set in /proc format |
| 481 | (fpregset_t *), unpack the register contents and supply them as gdb's |
| 482 | idea of the current floating point register values. */ |
| 483 | |
| 484 | void |
| 485 | supply_fpregset (fpregset_t *fpregsetp) |
| 486 | { |
| 487 | register int regi; |
| 488 | char *from; |
| 489 | |
| 490 | for (regi = FP0_REGNUM; regi <= FPLAST_REGNUM; regi++) |
| 491 | { |
| 492 | from = (char *) &((*fpregsetp)[regi - FP0_REGNUM]); |
| 493 | supply_register (regi, from); |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | #endif /* _ES_MP */ |
| 498 | |
| 499 | #ifdef _CX_UX |
| 500 | |
| 501 | #include <sys/regset.h> |
| 502 | |
| 503 | unsigned int |
| 504 | m88k_harris_core_register_addr (int regno, int reg_ptr) |
| 505 | { |
| 506 | unsigned int word_offset; |
| 507 | |
| 508 | switch (regno) |
| 509 | { |
| 510 | case PSR_REGNUM: |
| 511 | word_offset = R_PSR; |
| 512 | break; |
| 513 | case FPSR_REGNUM: |
| 514 | word_offset = R_FPSR; |
| 515 | break; |
| 516 | case FPCR_REGNUM: |
| 517 | word_offset = R_FPCR; |
| 518 | break; |
| 519 | case SXIP_REGNUM: |
| 520 | word_offset = R_XIP; |
| 521 | break; |
| 522 | case SNIP_REGNUM: |
| 523 | word_offset = R_NIP; |
| 524 | break; |
| 525 | case SFIP_REGNUM: |
| 526 | word_offset = R_FIP; |
| 527 | break; |
| 528 | default: |
| 529 | if (regno <= FP_REGNUM) |
| 530 | word_offset = regno; |
| 531 | else |
| 532 | word_offset = ((regno - X0_REGNUM) * 4) + R_X0; |
| 533 | } |
| 534 | return (word_offset * 4); |
| 535 | } |
| 536 | |
| 537 | #endif /* _CX_UX */ |