projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| d8ee244c MK |
1 | // OBSOLETE /* Low level interface to I386 running mach 3.0. |
| 2 | // OBSOLETE Copyright 1992, 1993, 1994, 1996, 2000, 2001 | |
| 3 | // OBSOLETE Free Software Foundation, Inc. | |
| 4 | // OBSOLETE | |
| 5 | // OBSOLETE This file is part of GDB. | |
| 6 | // OBSOLETE | |
| 7 | // OBSOLETE This program is free software; you can redistribute it and/or modify | |
| 8 | // OBSOLETE it under the terms of the GNU General Public License as published by | |
| 9 | // OBSOLETE the Free Software Foundation; either version 2 of the License, or | |
| 10 | // OBSOLETE (at your option) any later version. | |
| 11 | // OBSOLETE | |
| 12 | // OBSOLETE This program is distributed in the hope that it will be useful, | |
| 13 | // OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | // OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | // OBSOLETE GNU General Public License for more details. | |
| 16 | // OBSOLETE | |
| 17 | // OBSOLETE You should have received a copy of the GNU General Public License | |
| 18 | // OBSOLETE along with this program; if not, write to the Free Software | |
| 19 | // OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 | // OBSOLETE Boston, MA 02111-1307, USA. */ | |
| 21 | // OBSOLETE | |
| 22 | // OBSOLETE #include "defs.h" | |
| 23 | // OBSOLETE #include "inferior.h" | |
| 24 | // OBSOLETE #include "floatformat.h" | |
| 25 | // OBSOLETE #include "regcache.h" | |
| 26 | // OBSOLETE | |
| 27 | // OBSOLETE #include <stdio.h> | |
| 28 | // OBSOLETE | |
| 29 | // OBSOLETE #include <mach.h> | |
| 30 | // OBSOLETE #include <mach/message.h> | |
| 31 | // OBSOLETE #include <mach/exception.h> | |
| 32 | // OBSOLETE #include <mach_error.h> | |
| 33 | // OBSOLETE | |
| 34 | // OBSOLETE /* Hmmm... Should this not be here? | |
| 35 | // OBSOLETE * Now for i386_float_info() target_has_execution | |
| 36 | // OBSOLETE */ | |
| 37 | // OBSOLETE #include <target.h> | |
| 38 | // OBSOLETE | |
| 39 | // OBSOLETE /* This mess is duplicated in bfd/i386mach3.h | |
| 40 | // OBSOLETE | |
| 41 | // OBSOLETE * This is an ugly way to hack around the incorrect | |
| 42 | // OBSOLETE * definition of UPAGES in i386/machparam.h. | |
| 43 | // OBSOLETE * | |
| 44 | // OBSOLETE * The definition should specify the size reserved | |
| 45 | // OBSOLETE * for "struct user" in core files in PAGES, | |
| 46 | // OBSOLETE * but instead it gives it in 512-byte core-clicks | |
| 47 | // OBSOLETE * for i386 and i860. | |
| 48 | // OBSOLETE */ | |
| 49 | // OBSOLETE #include <sys/param.h> | |
| 50 | // OBSOLETE #if UPAGES == 16 | |
| 51 | // OBSOLETE #define UAREA_SIZE ctob(UPAGES) | |
| 52 | // OBSOLETE #elif UPAGES == 2 | |
| 53 | // OBSOLETE #define UAREA_SIZE (NBPG*UPAGES) | |
| 54 | // OBSOLETE #else | |
| 55 | // OBSOLETE FIXME ! !UPAGES is neither 2 nor 16 | |
| 56 | // OBSOLETE #endif | |
| 57 | // OBSOLETE | |
| 58 | // OBSOLETE /* @@@ Should move print_387_status() to i387-tdep.c */ | |
| 59 | // OBSOLETE extern void print_387_control_word (); /* i387-tdep.h */ | |
| 60 | // OBSOLETE extern void print_387_status_word (); | |
| 61 | // OBSOLETE | |
| 62 | // OBSOLETE #define private static | |
| 63 | // OBSOLETE \f | |
| 64 | // OBSOLETE | |
| 65 | // OBSOLETE /* Find offsets to thread states at compile time. | |
| 66 | // OBSOLETE * If your compiler does not grok this, calculate offsets | |
| 67 | // OBSOLETE * offsets yourself and use them (or get a compatible compiler :-) | |
| 68 | // OBSOLETE */ | |
| 69 | // OBSOLETE | |
| 70 | // OBSOLETE #define REG_OFFSET(reg) (int)(&((struct i386_thread_state *)0)->reg) | |
| 71 | // OBSOLETE | |
| 72 | // OBSOLETE /* at reg_offset[i] is the offset to the i386_thread_state | |
| 73 | // OBSOLETE * location where the gdb registers[i] is stored. | |
| 74 | // OBSOLETE */ | |
| 75 | // OBSOLETE | |
| 76 | // OBSOLETE static int reg_offset[] = | |
| 77 | // OBSOLETE { | |
| 78 | // OBSOLETE REG_OFFSET (eax), REG_OFFSET (ecx), REG_OFFSET (edx), REG_OFFSET (ebx), | |
| 79 | // OBSOLETE REG_OFFSET (uesp), REG_OFFSET (ebp), REG_OFFSET (esi), REG_OFFSET (edi), | |
| 80 | // OBSOLETE REG_OFFSET (eip), REG_OFFSET (efl), REG_OFFSET (cs), REG_OFFSET (ss), | |
| 81 | // OBSOLETE REG_OFFSET (ds), REG_OFFSET (es), REG_OFFSET (fs), REG_OFFSET (gs) | |
| 82 | // OBSOLETE }; | |
| 83 | // OBSOLETE | |
| 84 | // OBSOLETE #define REG_ADDRESS(state,regnum) ((char *)(state)+reg_offset[regnum]) | |
| 85 | // OBSOLETE | |
| 86 | // OBSOLETE /* Fetch COUNT contiguous registers from thread STATE starting from REGNUM | |
| 87 | // OBSOLETE * Caller knows that the regs handled in one transaction are of same size. | |
| 88 | // OBSOLETE */ | |
| 89 | // OBSOLETE #define FETCH_REGS(state, regnum, count) \ | |
| 90 | // OBSOLETE memcpy (®isters[REGISTER_BYTE (regnum)], \ | |
| 91 | // OBSOLETE REG_ADDRESS (state, regnum), \ | |
| 92 | // OBSOLETE count*REGISTER_SIZE) | |
| 93 | // OBSOLETE | |
| 94 | // OBSOLETE /* Store COUNT contiguous registers to thread STATE starting from REGNUM */ | |
| 95 | // OBSOLETE #define STORE_REGS(state, regnum, count) \ | |
| 96 | // OBSOLETE memcpy (REG_ADDRESS (state, regnum), \ | |
| 97 | // OBSOLETE ®isters[REGISTER_BYTE (regnum)], \ | |
| 98 | // OBSOLETE count*REGISTER_SIZE) | |
| 99 | // OBSOLETE \f | |
| 100 | // OBSOLETE /* | |
| 101 | // OBSOLETE * Fetch inferiors registers for gdb. | |
| 102 | // OBSOLETE * REGNO specifies which (as gdb views it) register, -1 for all. | |
| 103 | // OBSOLETE */ | |
| 104 | // OBSOLETE | |
| 105 | // OBSOLETE void | |
| 106 | // OBSOLETE fetch_inferior_registers (int regno) | |
| 107 | // OBSOLETE { | |
| 108 | // OBSOLETE kern_return_t ret; | |
| 109 | // OBSOLETE thread_state_data_t state; | |
| 110 | // OBSOLETE unsigned int stateCnt = i386_THREAD_STATE_COUNT; | |
| 111 | // OBSOLETE int index; | |
| 112 | // OBSOLETE | |
| 113 | // OBSOLETE if (!MACH_PORT_VALID (current_thread)) | |
| 114 | // OBSOLETE error ("fetch inferior registers: Invalid thread"); | |
| 115 | // OBSOLETE | |
| 116 | // OBSOLETE if (must_suspend_thread) | |
| 117 | // OBSOLETE setup_thread (current_thread, 1); | |
| 118 | // OBSOLETE | |
| 119 | // OBSOLETE ret = thread_get_state (current_thread, | |
| 120 | // OBSOLETE i386_THREAD_STATE, | |
| 121 | // OBSOLETE state, | |
| 122 | // OBSOLETE &stateCnt); | |
| 123 | // OBSOLETE | |
| 124 | // OBSOLETE if (ret != KERN_SUCCESS) | |
| 125 | // OBSOLETE warning ("fetch_inferior_registers: %s ", | |
| 126 | // OBSOLETE mach_error_string (ret)); | |
| 127 | // OBSOLETE #if 0 | |
| 128 | // OBSOLETE /* It may be more effective to store validate all of them, | |
| 129 | // OBSOLETE * since we fetched them all anyway | |
| 130 | // OBSOLETE */ | |
| 131 | // OBSOLETE else if (regno != -1) | |
| 132 | // OBSOLETE supply_register (regno, (char *) state + reg_offset[regno]); | |
| 133 | // OBSOLETE #endif | |
| 134 | // OBSOLETE else | |
| 135 | // OBSOLETE { | |
| 136 | // OBSOLETE for (index = 0; index < NUM_REGS; index++) | |
| 137 | // OBSOLETE supply_register (index, (char *) state + reg_offset[index]); | |
| 138 | // OBSOLETE } | |
| 139 | // OBSOLETE | |
| 140 | // OBSOLETE if (must_suspend_thread) | |
| 141 | // OBSOLETE setup_thread (current_thread, 0); | |
| 142 | // OBSOLETE } | |
| 143 | // OBSOLETE \f | |
| 144 | // OBSOLETE /* Store our register values back into the inferior. | |
| 145 | // OBSOLETE * If REGNO is -1, do this for all registers. | |
| 146 | // OBSOLETE * Otherwise, REGNO specifies which register | |
| 147 | // OBSOLETE * | |
| 148 | // OBSOLETE * On mach3 all registers are always saved in one call. | |
| 149 | // OBSOLETE */ | |
| 150 | // OBSOLETE void | |
| 151 | // OBSOLETE store_inferior_registers (int regno) | |
| 152 | // OBSOLETE { | |
| 153 | // OBSOLETE kern_return_t ret; | |
| 154 | // OBSOLETE thread_state_data_t state; | |
| 155 | // OBSOLETE unsigned int stateCnt = i386_THREAD_STATE_COUNT; | |
| 156 | // OBSOLETE register int index; | |
| 157 | // OBSOLETE | |
| 158 | // OBSOLETE if (!MACH_PORT_VALID (current_thread)) | |
| 159 | // OBSOLETE error ("store inferior registers: Invalid thread"); | |
| 160 | // OBSOLETE | |
| 161 | // OBSOLETE if (must_suspend_thread) | |
| 162 | // OBSOLETE setup_thread (current_thread, 1); | |
| 163 | // OBSOLETE | |
| 164 | // OBSOLETE /* Fetch the state of the current thread */ | |
| 165 | // OBSOLETE ret = thread_get_state (current_thread, | |
| 166 | // OBSOLETE i386_THREAD_STATE, | |
| 167 | // OBSOLETE state, | |
| 168 | // OBSOLETE &stateCnt); | |
| 169 | // OBSOLETE | |
| 170 | // OBSOLETE if (ret != KERN_SUCCESS) | |
| 171 | // OBSOLETE { | |
| 172 | // OBSOLETE warning ("store_inferior_registers (get): %s", | |
| 173 | // OBSOLETE mach_error_string (ret)); | |
| 174 | // OBSOLETE if (must_suspend_thread) | |
| 175 | // OBSOLETE setup_thread (current_thread, 0); | |
| 176 | // OBSOLETE return; | |
| 177 | // OBSOLETE } | |
| 178 | // OBSOLETE | |
| 179 | // OBSOLETE /* move gdb's registers to thread's state | |
| 180 | // OBSOLETE | |
| 181 | // OBSOLETE * Since we save all registers anyway, save the ones | |
| 182 | // OBSOLETE * that gdb thinks are valid (e.g. ignore the regno | |
| 183 | // OBSOLETE * parameter) | |
| 184 | // OBSOLETE */ | |
| 185 | // OBSOLETE #if 0 | |
| 186 | // OBSOLETE if (regno != -1) | |
| 187 | // OBSOLETE STORE_REGS (state, regno, 1); | |
| 188 | // OBSOLETE else | |
| 189 | // OBSOLETE #endif | |
| 190 | // OBSOLETE { | |
| 191 | // OBSOLETE for (index = 0; index < NUM_REGS; index++) | |
| 192 | // OBSOLETE STORE_REGS (state, index, 1); | |
| 193 | // OBSOLETE } | |
| 194 | // OBSOLETE | |
| 195 | // OBSOLETE /* Write gdb's current view of register to the thread | |
| 196 | // OBSOLETE */ | |
| 197 | // OBSOLETE ret = thread_set_state (current_thread, | |
| 198 | // OBSOLETE i386_THREAD_STATE, | |
| 199 | // OBSOLETE state, | |
| 200 | // OBSOLETE i386_THREAD_STATE_COUNT); | |
| 201 | // OBSOLETE | |
| 202 | // OBSOLETE if (ret != KERN_SUCCESS) | |
| 203 | // OBSOLETE warning ("store_inferior_registers (set): %s", | |
| 204 | // OBSOLETE mach_error_string (ret)); | |
| 205 | // OBSOLETE | |
| 206 | // OBSOLETE if (must_suspend_thread) | |
| 207 | // OBSOLETE setup_thread (current_thread, 0); | |
| 208 | // OBSOLETE } | |
| 209 | // OBSOLETE \f | |
| 210 | // OBSOLETE | |
| 211 | // OBSOLETE | |
| 212 | // OBSOLETE /* Return the address in the core dump or inferior of register REGNO. | |
| 213 | // OBSOLETE * BLOCKEND should be the address of the end of the UPAGES area read | |
| 214 | // OBSOLETE * in memory, but it's not? | |
| 215 | // OBSOLETE * | |
| 216 | // OBSOLETE * Currently our UX server dumps the whole thread state to the | |
| 217 | // OBSOLETE * core file. If your UX does something else, adapt the routine | |
| 218 | // OBSOLETE * below to return the offset to the given register. | |
| 219 | // OBSOLETE * | |
| 220 | // OBSOLETE * Called by core-aout.c(fetch_core_registers) | |
| 221 | // OBSOLETE */ | |
| 222 | // OBSOLETE | |
| 223 | // OBSOLETE CORE_ADDR | |
| 224 | // OBSOLETE register_addr (int regno, CORE_ADDR blockend) | |
| 225 | // OBSOLETE { | |
| 226 | // OBSOLETE CORE_ADDR addr; | |
| 227 | // OBSOLETE | |
| 228 | // OBSOLETE if (regno < 0 || regno >= NUM_REGS) | |
| 229 | // OBSOLETE error ("Invalid register number %d.", regno); | |
| 230 | // OBSOLETE | |
| 231 | // OBSOLETE /* UAREA_SIZE == 8 kB in i386 */ | |
| 232 | // OBSOLETE addr = (unsigned int) REG_ADDRESS (UAREA_SIZE - sizeof (struct i386_thread_state), regno); | |
| 233 | // OBSOLETE | |
| 234 | // OBSOLETE return addr; | |
| 235 | // OBSOLETE } | |
| 236 | // OBSOLETE | |
| 237 | // OBSOLETE /* jtv@hut.fi: I copied and modified this 387 code from | |
| 238 | // OBSOLETE * gdb/i386-xdep.c. Modifications for Mach 3.0. | |
| 239 | // OBSOLETE * | |
| 240 | // OBSOLETE * i387 status dumper. See also i387-tdep.c | |
| 241 | // OBSOLETE */ | |
| 242 | // OBSOLETE struct env387 | |
| 243 | // OBSOLETE { | |
| 244 | // OBSOLETE unsigned short control; | |
| 245 | // OBSOLETE unsigned short r0; | |
| 246 | // OBSOLETE unsigned short status; | |
| 247 | // OBSOLETE unsigned short r1; | |
| 248 | // OBSOLETE unsigned short tag; | |
| 249 | // OBSOLETE unsigned short r2; | |
| 250 | // OBSOLETE unsigned long eip; | |
| 251 | // OBSOLETE unsigned short code_seg; | |
| 252 | // OBSOLETE unsigned short opcode; | |
| 253 | // OBSOLETE unsigned long operand; | |
| 254 | // OBSOLETE unsigned short operand_seg; | |
| 255 | // OBSOLETE unsigned short r3; | |
| 256 | // OBSOLETE unsigned char regs[8][10]; | |
| 257 | // OBSOLETE }; | |
| 258 | // OBSOLETE /* This routine is machine independent? | |
| 259 | // OBSOLETE * Should move it to i387-tdep.c but you need to export struct env387 | |
| 260 | // OBSOLETE */ | |
| 261 | // OBSOLETE private | |
| 262 | // OBSOLETE print_387_status (unsigned short status, struct env387 *ep) | |
| 263 | // OBSOLETE { | |
| 264 | // OBSOLETE int i; | |
| 265 | // OBSOLETE int bothstatus; | |
| 266 | // OBSOLETE int top; | |
| 267 | // OBSOLETE int fpreg; | |
| 268 | // OBSOLETE unsigned char *p; | |
| 269 | // OBSOLETE | |
| 270 | // OBSOLETE bothstatus = ((status != 0) && (ep->status != 0)); | |
| 271 | // OBSOLETE if (status != 0) | |
| 272 | // OBSOLETE { | |
| 273 | // OBSOLETE if (bothstatus) | |
| 274 | // OBSOLETE printf_unfiltered ("u: "); | |
| 275 | // OBSOLETE print_387_status_word (status); | |
| 276 | // OBSOLETE } | |
| 277 | // OBSOLETE | |
| 278 | // OBSOLETE if (ep->status != 0) | |
| 279 | // OBSOLETE { | |
| 280 | // OBSOLETE if (bothstatus) | |
| 281 | // OBSOLETE printf_unfiltered ("e: "); | |
| 282 | // OBSOLETE print_387_status_word (ep->status); | |
| 283 | // OBSOLETE } | |
| 284 | // OBSOLETE | |
| 285 | // OBSOLETE print_387_control_word (ep->control); | |
| 286 | // OBSOLETE printf_unfiltered ("last exception: "); | |
| 287 | // OBSOLETE printf_unfiltered ("opcode %s; ", local_hex_string (ep->opcode)); | |
| 288 | // OBSOLETE printf_unfiltered ("pc %s:", local_hex_string (ep->code_seg)); | |
| 289 | // OBSOLETE printf_unfiltered ("%s; ", local_hex_string (ep->eip)); | |
| 290 | // OBSOLETE printf_unfiltered ("operand %s", local_hex_string (ep->operand_seg)); | |
| 291 | // OBSOLETE printf_unfiltered (":%s\n", local_hex_string (ep->operand)); | |
| 292 | // OBSOLETE | |
| 293 | // OBSOLETE top = (ep->status >> 11) & 7; | |
| 294 | // OBSOLETE | |
| 295 | // OBSOLETE printf_unfiltered ("regno tag msb lsb value\n"); | |
| 296 | // OBSOLETE for (fpreg = 7; fpreg >= 0; fpreg--) | |
| 297 | // OBSOLETE { | |
| 298 | // OBSOLETE double val; | |
| 299 | // OBSOLETE | |
| 300 | // OBSOLETE printf_unfiltered ("%s %d: ", fpreg == top ? "=>" : " ", fpreg); | |
| 301 | // OBSOLETE | |
| 302 | // OBSOLETE switch ((ep->tag >> (fpreg * 2)) & 3) | |
| 303 | // OBSOLETE { | |
| 304 | // OBSOLETE case 0: | |
| 305 | // OBSOLETE printf_unfiltered ("valid "); | |
| 306 | // OBSOLETE break; | |
| 307 | // OBSOLETE case 1: | |
| 308 | // OBSOLETE printf_unfiltered ("zero "); | |
| 309 | // OBSOLETE break; | |
| 310 | // OBSOLETE case 2: | |
| 311 | // OBSOLETE printf_unfiltered ("trap "); | |
| 312 | // OBSOLETE break; | |
| 313 | // OBSOLETE case 3: | |
| 314 | // OBSOLETE printf_unfiltered ("empty "); | |
| 315 | // OBSOLETE break; | |
| 316 | // OBSOLETE } | |
| 317 | // OBSOLETE for (i = 9; i >= 0; i--) | |
| 318 | // OBSOLETE printf_unfiltered ("%02x", ep->regs[fpreg][i]); | |
| 319 | // OBSOLETE | |
| 320 | // OBSOLETE floatformat_to_double (&floatformat_i387_ext, (char *) ep->regs[fpreg], | |
| 321 | // OBSOLETE &val); | |
| 322 | // OBSOLETE printf_unfiltered (" %g\n", val); | |
| 323 | // OBSOLETE } | |
| 324 | // OBSOLETE if (ep->r0) | |
| 325 | // OBSOLETE printf_unfiltered ("warning: reserved0 is %s\n", local_hex_string (ep->r0)); | |
| 326 | // OBSOLETE if (ep->r1) | |
| 327 | // OBSOLETE printf_unfiltered ("warning: reserved1 is %s\n", local_hex_string (ep->r1)); | |
| 328 | // OBSOLETE if (ep->r2) | |
| 329 | // OBSOLETE printf_unfiltered ("warning: reserved2 is %s\n", local_hex_string (ep->r2)); | |
| 330 | // OBSOLETE if (ep->r3) | |
| 331 | // OBSOLETE printf_unfiltered ("warning: reserved3 is %s\n", local_hex_string (ep->r3)); | |
| 332 | // OBSOLETE } | |
| 333 | // OBSOLETE | |
| 334 | // OBSOLETE /* | |
| 335 | // OBSOLETE * values that go into fp_kind (from <i386/fpreg.h>) | |
| 336 | // OBSOLETE */ | |
| 337 | // OBSOLETE #define FP_NO 0 /* no fp chip, no emulator (no fp support) */ | |
| 338 | // OBSOLETE #define FP_SW 1 /* no fp chip, using software emulator */ | |
| 339 | // OBSOLETE #define FP_HW 2 /* chip present bit */ | |
| 340 | // OBSOLETE #define FP_287 2 /* 80287 chip present */ | |
| 341 | // OBSOLETE #define FP_387 3 /* 80387 chip present */ | |
| 342 | // OBSOLETE | |
| 343 | // OBSOLETE typedef struct fpstate | |
| 344 | // OBSOLETE { | |
| 345 | // OBSOLETE #if 1 | |
| 346 | // OBSOLETE unsigned char state[FP_STATE_BYTES]; /* "hardware" state */ | |
| 347 | // OBSOLETE #else | |
| 348 | // OBSOLETE struct env387 state; /* Actually this */ | |
| 349 | // OBSOLETE #endif | |
| 350 | // OBSOLETE int status; /* Duplicate status */ | |
| 351 | // OBSOLETE } | |
| 352 | // OBSOLETE *fpstate_t; | |
| 353 | // OBSOLETE | |
| 354 | // OBSOLETE /* Mach 3 specific routines. | |
| 355 | // OBSOLETE */ | |
| 356 | // OBSOLETE private boolean_t | |
| 357 | // OBSOLETE get_i387_state (struct fpstate *fstate) | |
| 358 | // OBSOLETE { | |
| 359 | // OBSOLETE kern_return_t ret; | |
| 360 | // OBSOLETE thread_state_data_t state; | |
| 361 | // OBSOLETE unsigned int fsCnt = i386_FLOAT_STATE_COUNT; | |
| 362 | // OBSOLETE struct i386_float_state *fsp; | |
| 363 | // OBSOLETE | |
| 364 | // OBSOLETE ret = thread_get_state (current_thread, | |
| 365 | // OBSOLETE i386_FLOAT_STATE, | |
| 366 | // OBSOLETE state, | |
| 367 | // OBSOLETE &fsCnt); | |
| 368 | // OBSOLETE | |
| 369 | // OBSOLETE if (ret != KERN_SUCCESS) | |
| 370 | // OBSOLETE { | |
| 371 | // OBSOLETE warning ("Can not get live floating point state: %s", | |
| 372 | // OBSOLETE mach_error_string (ret)); | |
| 373 | // OBSOLETE return FALSE; | |
| 374 | // OBSOLETE } | |
| 375 | // OBSOLETE | |
| 376 | // OBSOLETE fsp = (struct i386_float_state *) state; | |
| 377 | // OBSOLETE /* The 387 chip (also 486 counts) or a software emulator? */ | |
| 378 | // OBSOLETE if (!fsp->initialized || (fsp->fpkind != FP_387 && fsp->fpkind != FP_SW)) | |
| 379 | // OBSOLETE return FALSE; | |
| 380 | // OBSOLETE | |
| 381 | // OBSOLETE /* Clear the target then copy thread's float state there. | |
| 382 | // OBSOLETE Make a copy of the status word, for some reason? | |
| 383 | // OBSOLETE */ | |
| 384 | // OBSOLETE memset (fstate, 0, sizeof (struct fpstate)); | |
| 385 | // OBSOLETE | |
| 386 | // OBSOLETE fstate->status = fsp->exc_status; | |
| 387 | // OBSOLETE | |
| 388 | // OBSOLETE memcpy (fstate->state, (char *) &fsp->hw_state, FP_STATE_BYTES); | |
| 389 | // OBSOLETE | |
| 390 | // OBSOLETE return TRUE; | |
| 391 | // OBSOLETE } | |
| 392 | // OBSOLETE | |
| 393 | // OBSOLETE private boolean_t | |
| 394 | // OBSOLETE get_i387_core_state (struct fpstate *fstate) | |
| 395 | // OBSOLETE { | |
| 396 | // OBSOLETE /* Not implemented yet. Core files do not contain float state. */ | |
| 397 | // OBSOLETE return FALSE; | |
| 398 | // OBSOLETE } | |
| 399 | // OBSOLETE | |
| 400 | // OBSOLETE /* | |
| 401 | // OBSOLETE * This is called by "info float" command | |
| 402 | // OBSOLETE */ | |
| 403 | // OBSOLETE void | |
| 404 | // OBSOLETE i386_mach3_float_info (void) | |
| 405 | // OBSOLETE { | |
| 406 | // OBSOLETE char buf[sizeof (struct fpstate) + 2 * sizeof (int)]; | |
| 407 | // OBSOLETE boolean_t valid = FALSE; | |
| 408 | // OBSOLETE fpstate_t fps; | |
| 409 | // OBSOLETE | |
| 410 | // OBSOLETE if (target_has_execution) | |
| 411 | // OBSOLETE valid = get_i387_state (buf); | |
| 412 | // OBSOLETE #if 0 | |
| 413 | // OBSOLETE else if (WE HAVE CORE FILE) /* @@@@ Core files not supported */ | |
| 414 | // OBSOLETE valid = get_i387_core_state (buf); | |
| 415 | // OBSOLETE #endif | |
| 416 | // OBSOLETE | |
| 417 | // OBSOLETE if (!valid) | |
| 418 | // OBSOLETE { | |
| 419 | // OBSOLETE warning ("no floating point status saved"); | |
| 420 | // OBSOLETE return; | |
| 421 | // OBSOLETE } | |
| 422 | // OBSOLETE | |
| 423 | // OBSOLETE fps = (fpstate_t) buf; | |
| 424 | // OBSOLETE | |
| 425 | // OBSOLETE print_387_status (fps->status, (struct env387 *) fps->state); | |
| 426 | // OBSOLETE } |