4 * Copyright (C) 2009-2009, Eric Pouech.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #ifndef DBGHELP_STATIC_LIB
27 #include "dbghelp_private.h"
29 #ifndef DBGHELP_STATIC_LIB
30 #include "wine/winbase16.h"
32 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(dbghelp
);
37 #define STEP_FLAG 0x00000100 /* single step flag */
38 #define V86_FLAG 0x00020000
40 #define IS_VM86_MODE(ctx) (ctx->EFlags & V86_FLAG)
43 #if defined(__i386__) && !defined(DBGHELP_STATIC_LIB)
44 static ADDRESS_MODE
get_selector_type(HANDLE hThread
, const CONTEXT
* ctx
, WORD sel
)
48 if (IS_VM86_MODE(ctx
)) return AddrModeReal
;
49 /* null or system selector */
50 if (!(sel
& 4) || ((sel
>> 3) < 17)) return AddrModeFlat
;
51 if (hThread
&& GetThreadSelectorEntry(hThread
, sel
, &le
))
52 return le
.HighWord
.Bits
.Default_Big
? AddrMode1632
: AddrMode1616
;
53 /* selector doesn't exist */
57 static unsigned i386_build_addr(HANDLE hThread
, const CONTEXT
* ctx
, ADDRESS64
* addr
,
58 unsigned seg
, unsigned long offset
)
60 addr
->Mode
= AddrModeFlat
;
62 addr
->Offset
= offset
;
65 switch (addr
->Mode
= get_selector_type(hThread
, ctx
, seg
))
69 addr
->Offset
&= 0xffff;
82 #ifndef DBGHELP_STATIC_LIB
83 static unsigned i386_get_addr(HANDLE hThread
, const CONTEXT
* ctx
,
84 enum cpu_addr ca
, ADDRESS64
* addr
)
89 case cpu_addr_pc
: return i386_build_addr(hThread
, ctx
, addr
, ctx
->SegCs
, ctx
->Eip
);
90 case cpu_addr_stack
: return i386_build_addr(hThread
, ctx
, addr
, ctx
->SegSs
, ctx
->Esp
);
91 case cpu_addr_frame
: return i386_build_addr(hThread
, ctx
, addr
, ctx
->SegSs
, ctx
->Ebp
);
96 #endif /* DBGHELP_STATIC_LIB */
98 #if defined(__i386__) && !defined(DBGHELP_STATIC_LIB)
99 /* fetch_next_frame32()
101 * modify (at least) context.{eip, esp, ebp} using unwind information
102 * either out of debug info (dwarf, pdb), or simple stack unwind
104 static BOOL
fetch_next_frame32(struct cpu_stack_walk
* csw
,
105 CONTEXT
* context
, DWORD_PTR curr_pc
)
108 struct pdb_cmd_pair cpair
[4];
111 if (dwarf2_virtual_unwind(csw
, curr_pc
, context
, &xframe
))
113 context
->Esp
= xframe
;
116 cpair
[0].name
= "$ebp"; cpair
[0].pvalue
= &context
->Ebp
;
117 cpair
[1].name
= "$esp"; cpair
[1].pvalue
= &context
->Esp
;
118 cpair
[2].name
= "$eip"; cpair
[2].pvalue
= &context
->Eip
;
119 cpair
[3].name
= NULL
; cpair
[3].pvalue
= NULL
;
121 #ifndef DBGHELP_STATIC_LIB
122 if (!pdb_virtual_unwind(csw
, curr_pc
, context
, cpair
))
125 /* do a simple unwind using ebp
126 * we assume a "regular" prologue in the function has been used
128 if (!context
->Ebp
) return FALSE
;
129 context
->Esp
= context
->Ebp
+ 2 * sizeof(DWORD
);
130 if (!sw_read_mem(csw
, context
->Ebp
+ sizeof(DWORD
), &val32
, sizeof(DWORD
)))
132 WARN("Cannot read new frame offset %p\n",
133 (void*)(DWORD_PTR
)(context
->Ebp
+ (int)sizeof(DWORD
)));
136 context
->Eip
= val32
;
137 /* "pop up" previous EBP value */
138 if (!sw_read_mem(csw
, context
->Ebp
, &val32
, sizeof(DWORD
)))
140 context
->Ebp
= val32
;
146 enum st_mode
{stm_start
, stm_32bit
, stm_16bit
, stm_done
};
148 /* indexes in Reserved array */
149 #define __CurrentModeCount 0
150 #define __CurrentSwitch 1
151 #define __NextSwitch 2
153 #define curr_mode (frame->Reserved[__CurrentModeCount] & 0x0F)
154 #define curr_count (frame->Reserved[__CurrentModeCount] >> 4)
155 #define curr_switch (frame->Reserved[__CurrentSwitch])
156 #define next_switch (frame->Reserved[__NextSwitch])
158 #define set_curr_mode(m) {frame->Reserved[__CurrentModeCount] &= ~0x0F; frame->Reserved[__CurrentModeCount] |= (m & 0x0F);}
159 #define inc_curr_count() (frame->Reserved[__CurrentModeCount] += 0x10)
161 #ifndef DBGHELP_STATIC_LIB
162 static BOOL
i386_stack_walk(struct cpu_stack_walk
* csw
, LPSTACKFRAME64 frame
, CONTEXT
* context
)
164 STACK32FRAME frame32
;
165 STACK16FRAME frame16
;
178 if (curr_mode
>= stm_done
) return FALSE
;
180 TRACE("Enter: PC=%s Frame=%s Return=%s Stack=%s Mode=%s Count=%s cSwitch=%p nSwitch=%p\n",
181 wine_dbgstr_addr(&frame
->AddrPC
),
182 wine_dbgstr_addr(&frame
->AddrFrame
),
183 wine_dbgstr_addr(&frame
->AddrReturn
),
184 wine_dbgstr_addr(&frame
->AddrStack
),
185 curr_mode
== stm_start
? "start" : (curr_mode
== stm_16bit
? "16bit" : "32bit"),
186 wine_dbgstr_longlong(curr_count
),
187 (void*)(DWORD_PTR
)curr_switch
, (void*)(DWORD_PTR
)next_switch
);
190 /* if we're at first call (which doesn't actually unwind, it just computes ReturnPC,
191 * or if we're doing the first real unwind (count == 1), then we can directly use
192 * eip. otherwise, eip is *after* the insn that actually made the call to
193 * previous frame, so decrease eip by delta pc (1!) so that we're inside previous
195 * Doing so, we ensure that the pc used for unwinding is always inside the function
196 * we want to use for next frame
198 deltapc
= curr_count
<= 1 ? 0 : 1;
202 /* setup a pseudo context for the rest of the code (esp. unwinding) */
204 memset(context
, 0, sizeof(*context
));
205 context
->ContextFlags
= CONTEXT_CONTROL
| CONTEXT_SEGMENTS
;
206 if (frame
->AddrPC
.Mode
!= AddrModeFlat
) context
->SegCs
= frame
->AddrPC
.Segment
;
207 context
->Eip
= frame
->AddrPC
.Offset
;
208 if (frame
->AddrFrame
.Mode
!= AddrModeFlat
) context
->SegSs
= frame
->AddrFrame
.Segment
;
209 context
->Ebp
= frame
->AddrFrame
.Offset
;
210 if (frame
->AddrStack
.Mode
!= AddrModeFlat
) context
->SegSs
= frame
->AddrStack
.Segment
;
211 context
->Esp
= frame
->AddrStack
.Offset
;
214 if (curr_mode
== stm_start
)
216 THREAD_BASIC_INFORMATION info
;
218 if ((frame
->AddrPC
.Mode
== AddrModeFlat
) &&
219 (frame
->AddrFrame
.Mode
!= AddrModeFlat
))
221 WARN("Bad AddrPC.Mode / AddrFrame.Mode combination\n");
226 set_curr_mode((frame
->AddrPC
.Mode
== AddrModeFlat
) ? stm_32bit
: stm_16bit
);
228 /* cur_switch holds address of WOW32Reserved field in TEB in debuggee
231 if (NtQueryInformationThread(csw
->hThread
, ThreadBasicInformation
, &info
,
232 sizeof(info
), NULL
) == STATUS_SUCCESS
)
234 curr_switch
= (DWORD_PTR
)info
.TebBaseAddress
+ FIELD_OFFSET(TEB
, WOW32Reserved
);
235 if (!sw_read_mem(csw
, curr_switch
, &p
, sizeof(p
)))
237 WARN("Can't read TEB:WOW32Reserved\n");
241 if (!next_switch
) /* no 16-bit stack */
245 else if (curr_mode
== stm_16bit
)
247 if (!sw_read_mem(csw
, next_switch
, &frame32
, sizeof(frame32
)))
249 WARN("Bad stack frame %p\n", (void*)(DWORD_PTR
)next_switch
);
252 curr_switch
= (DWORD
)frame32
.frame16
;
253 tmp
.Mode
= AddrMode1616
;
254 tmp
.Segment
= SELECTOROF(curr_switch
);
255 tmp
.Offset
= OFFSETOF(curr_switch
);
256 if (!sw_read_mem(csw
, sw_xlat_addr(csw
, &tmp
), &ch
, sizeof(ch
)))
257 curr_switch
= 0xFFFFFFFF;
261 tmp
.Mode
= AddrMode1616
;
262 tmp
.Segment
= SELECTOROF(next_switch
);
263 tmp
.Offset
= OFFSETOF(next_switch
);
264 p
= sw_xlat_addr(csw
, &tmp
);
265 if (!sw_read_mem(csw
, p
, &frame16
, sizeof(frame16
)))
267 WARN("Bad stack frame 0x%08x\n", p
);
270 curr_switch
= (DWORD_PTR
)frame16
.frame32
;
271 if (!sw_read_mem(csw
, curr_switch
, &ch
, sizeof(ch
)))
272 curr_switch
= 0xFFFFFFFF;
276 /* FIXME: this will allow to work when we're not attached to a live target,
277 * but the 16 <=> 32 switch facility won't be available.
280 frame
->AddrReturn
.Mode
= frame
->AddrStack
.Mode
= (curr_mode
== stm_16bit
) ? AddrMode1616
: AddrModeFlat
;
281 /* don't set up AddrStack on first call. Either the caller has set it up, or
282 * we will get it in the next frame
284 memset(&frame
->AddrBStore
, 0, sizeof(frame
->AddrBStore
));
288 if (frame
->AddrFrame
.Mode
== AddrModeFlat
)
290 assert(curr_mode
== stm_32bit
);
291 do_switch
= curr_switch
&& frame
->AddrFrame
.Offset
>= curr_switch
;
295 assert(curr_mode
== stm_16bit
);
296 do_switch
= curr_switch
&&
297 frame
->AddrFrame
.Segment
== SELECTOROF(curr_switch
) &&
298 frame
->AddrFrame
.Offset
>= OFFSETOF(curr_switch
);
303 if (curr_mode
== stm_16bit
)
305 if (!sw_read_mem(csw
, next_switch
, &frame32
, sizeof(frame32
)))
307 WARN("Bad stack frame %p\n", (void*)(DWORD_PTR
)next_switch
);
311 frame
->AddrPC
.Mode
= AddrModeFlat
;
312 frame
->AddrPC
.Segment
= 0;
313 frame
->AddrPC
.Offset
= frame32
.retaddr
;
314 frame
->AddrFrame
.Mode
= AddrModeFlat
;
315 frame
->AddrFrame
.Segment
= 0;
316 frame
->AddrFrame
.Offset
= frame32
.ebp
;
318 frame
->AddrStack
.Mode
= AddrModeFlat
;
319 frame
->AddrStack
.Segment
= 0;
320 frame
->AddrReturn
.Mode
= AddrModeFlat
;
321 frame
->AddrReturn
.Segment
= 0;
323 next_switch
= curr_switch
;
324 tmp
.Mode
= AddrMode1616
;
325 tmp
.Segment
= SELECTOROF(next_switch
);
326 tmp
.Offset
= OFFSETOF(next_switch
);
327 p
= sw_xlat_addr(csw
, &tmp
);
329 if (!sw_read_mem(csw
, p
, &frame16
, sizeof(frame16
)))
331 WARN("Bad stack frame 0x%08x\n", p
);
334 curr_switch
= (DWORD_PTR
)frame16
.frame32
;
335 set_curr_mode(stm_32bit
);
336 if (!sw_read_mem(csw
, curr_switch
, &ch
, sizeof(ch
)))
341 tmp
.Mode
= AddrMode1616
;
342 tmp
.Segment
= SELECTOROF(next_switch
);
343 tmp
.Offset
= OFFSETOF(next_switch
);
344 p
= sw_xlat_addr(csw
, &tmp
);
346 if (!sw_read_mem(csw
, p
, &frame16
, sizeof(frame16
)))
348 WARN("Bad stack frame 0x%08x\n", p
);
352 TRACE("Got a 16 bit stack switch:"
354 "\n\tedx:%08x ecx:%08x ebp:%08x"
355 "\n\tds:%04x es:%04x fs:%04x gs:%04x"
356 "\n\tcall_from_ip:%08x module_cs:%04x relay=%08x"
357 "\n\tentry_ip:%04x entry_point:%08x"
358 "\n\tbp:%04x ip:%04x cs:%04x\n",
360 frame16
.edx
, frame16
.ecx
, frame16
.ebp
,
361 frame16
.ds
, frame16
.es
, frame16
.fs
, frame16
.gs
,
362 frame16
.callfrom_ip
, frame16
.module_cs
, frame16
.relay
,
363 frame16
.entry_ip
, frame16
.entry_point
,
364 frame16
.bp
, frame16
.ip
, frame16
.cs
);
366 frame
->AddrPC
.Mode
= AddrMode1616
;
367 frame
->AddrPC
.Segment
= frame16
.cs
;
368 frame
->AddrPC
.Offset
= frame16
.ip
;
370 frame
->AddrFrame
.Mode
= AddrMode1616
;
371 frame
->AddrFrame
.Segment
= SELECTOROF(next_switch
);
372 frame
->AddrFrame
.Offset
= frame16
.bp
;
374 frame
->AddrStack
.Mode
= AddrMode1616
;
375 frame
->AddrStack
.Segment
= SELECTOROF(next_switch
);
377 frame
->AddrReturn
.Mode
= AddrMode1616
;
378 frame
->AddrReturn
.Segment
= frame16
.cs
;
380 next_switch
= curr_switch
;
381 if (!sw_read_mem(csw
, next_switch
, &frame32
, sizeof(frame32
)))
383 WARN("Bad stack frame %p\n", (void*)(DWORD_PTR
)next_switch
);
386 curr_switch
= (DWORD
)frame32
.frame16
;
387 tmp
.Mode
= AddrMode1616
;
388 tmp
.Segment
= SELECTOROF(curr_switch
);
389 tmp
.Offset
= OFFSETOF(curr_switch
);
391 if (!sw_read_mem(csw
, sw_xlat_addr(csw
, &tmp
), &ch
, sizeof(ch
)))
393 set_curr_mode(stm_16bit
);
398 if (curr_mode
== stm_16bit
)
400 frame
->AddrPC
= frame
->AddrReturn
;
401 frame
->AddrStack
.Offset
= frame
->AddrFrame
.Offset
+ 2 * sizeof(WORD
);
402 /* "pop up" previous BP value */
403 if (!frame
->AddrFrame
.Offset
||
404 !sw_read_mem(csw
, sw_xlat_addr(csw
, &frame
->AddrFrame
),
405 &val16
, sizeof(WORD
)))
407 frame
->AddrFrame
.Offset
= val16
;
412 if (!fetch_next_frame32(csw
, context
, sw_xlat_addr(csw
, &frame
->AddrPC
) - deltapc
))
415 frame
->AddrStack
.Mode
= frame
->AddrFrame
.Mode
= frame
->AddrPC
.Mode
= AddrModeFlat
;
416 frame
->AddrStack
.Offset
= context
->Esp
;
417 frame
->AddrFrame
.Offset
= context
->Ebp
;
418 if (frame
->AddrReturn
.Offset
!= context
->Eip
)
419 FIXME("new PC=%s different from Eip=%x\n",
420 wine_dbgstr_longlong(frame
->AddrReturn
.Offset
), context
->Eip
);
421 frame
->AddrPC
.Offset
= context
->Eip
;
427 if (curr_mode
== stm_16bit
)
431 p
= sw_xlat_addr(csw
, &frame
->AddrFrame
);
432 if (!sw_read_mem(csw
, p
+ sizeof(WORD
), &val16
, sizeof(WORD
)))
434 frame
->AddrReturn
.Offset
= val16
;
435 /* get potential cs if a far call was used */
436 if (!sw_read_mem(csw
, p
+ 2 * sizeof(WORD
), &val16
, sizeof(WORD
)))
438 if (frame
->AddrFrame
.Offset
& 1)
439 frame
->AddrReturn
.Segment
= val16
; /* far call assumed */
442 /* not explicitly marked as far call,
443 * but check whether it could be anyway
445 if ((val16
& 7) == 7 && val16
!= frame
->AddrReturn
.Segment
)
449 if (GetThreadSelectorEntry(csw
->hThread
, val16
, &le
) &&
450 (le
.HighWord
.Bits
.Type
& 0x08)) /* code segment */
452 /* it is very uncommon to push a code segment cs as
453 * a parameter, so this should work in most cases
455 frame
->AddrReturn
.Segment
= val16
;
459 frame
->AddrFrame
.Offset
&= ~1;
460 /* we "pop" parameters as 16 bit entities... of course, this won't
461 * work if the parameter is in fact bigger than 16bit, but
462 * there's no way to know that here
464 for (i
= 0; i
< sizeof(frame
->Params
) / sizeof(frame
->Params
[0]); i
++)
466 sw_read_mem(csw
, p
+ (2 + i
) * sizeof(WORD
), &val16
, sizeof(val16
));
467 frame
->Params
[i
] = val16
;
472 #define SET(field, seg, reg) \
473 switch (frame->field.Mode) \
475 case AddrModeFlat: context->reg = frame->field.Offset; break; \
476 case AddrMode1616: context->seg = frame->field.Segment; context->reg = frame->field.Offset; break; \
477 default: assert(0); \
479 SET(AddrStack
, SegSs
, Esp
);
480 SET(AddrFrame
, SegSs
, Ebp
);
481 SET(AddrReturn
, SegCs
, Eip
);
490 CONTEXT newctx
= *context
;
492 if (!fetch_next_frame32(csw
, &newctx
, frame
->AddrPC
.Offset
- deltapc
))
494 frame
->AddrReturn
.Mode
= AddrModeFlat
;
495 frame
->AddrReturn
.Offset
= newctx
.Eip
;
497 for (i
= 0; i
< sizeof(frame
->Params
) / sizeof(frame
->Params
[0]); i
++)
499 sw_read_mem(csw
, frame
->AddrFrame
.Offset
+ (2 + i
) * sizeof(DWORD
), &val32
, sizeof(val32
));
500 frame
->Params
[i
] = val32
;
505 frame
->Virtual
= TRUE
;
506 p
= sw_xlat_addr(csw
, &frame
->AddrPC
);
507 if (p
&& sw_module_base(csw
, p
))
508 frame
->FuncTableEntry
= sw_table_access(csw
, p
);
510 frame
->FuncTableEntry
= NULL
;
513 TRACE("Leave: PC=%s Frame=%s Return=%s Stack=%s Mode=%s Count=%s cSwitch=%p nSwitch=%p FuncTable=%p\n",
514 wine_dbgstr_addr(&frame
->AddrPC
),
515 wine_dbgstr_addr(&frame
->AddrFrame
),
516 wine_dbgstr_addr(&frame
->AddrReturn
),
517 wine_dbgstr_addr(&frame
->AddrStack
),
518 curr_mode
== stm_start
? "start" : (curr_mode
== stm_16bit
? "16bit" : "32bit"),
519 wine_dbgstr_longlong(curr_count
),
520 (void*)(DWORD_PTR
)curr_switch
, (void*)(DWORD_PTR
)next_switch
, frame
->FuncTableEntry
);
524 set_curr_mode(stm_done
);
527 #endif /* DBGHELP_STATIC_LIB */
529 static unsigned i386_map_dwarf_register(unsigned regno
)
535 case 0: reg
= CV_REG_EAX
; break;
536 case 1: reg
= CV_REG_ECX
; break;
537 case 2: reg
= CV_REG_EDX
; break;
538 case 3: reg
= CV_REG_EBX
; break;
539 case 4: reg
= CV_REG_ESP
; break;
540 case 5: reg
= CV_REG_EBP
; break;
541 case 6: reg
= CV_REG_ESI
; break;
542 case 7: reg
= CV_REG_EDI
; break;
543 case 8: reg
= CV_REG_EIP
; break;
544 case 9: reg
= CV_REG_EFLAGS
; break;
545 case 10: reg
= CV_REG_CS
; break;
546 case 11: reg
= CV_REG_SS
; break;
547 case 12: reg
= CV_REG_DS
; break;
548 case 13: reg
= CV_REG_ES
; break;
549 case 14: reg
= CV_REG_FS
; break;
550 case 15: reg
= CV_REG_GS
; break;
551 case 16: case 17: case 18: case 19:
552 case 20: case 21: case 22: case 23:
553 reg
= CV_REG_ST0
+ regno
- 16; break;
554 case 24: reg
= CV_REG_CTRL
; break;
555 case 25: reg
= CV_REG_STAT
; break;
556 case 26: reg
= CV_REG_TAG
; break;
557 case 27: reg
= CV_REG_FPCS
; break;
558 case 28: reg
= CV_REG_FPIP
; break;
559 case 29: reg
= CV_REG_FPDS
; break;
560 case 30: reg
= CV_REG_FPDO
; break;
564 case 32: case 33: case 34: case 35:
565 case 36: case 37: case 38: case 39:
566 reg
= CV_REG_XMM0
+ regno
- 32; break;
567 case 40: reg
= CV_REG_MXCSR
; break;
569 FIXME("Don't know how to map register %d\n", regno
);
575 static void* i386_fetch_context_reg(CONTEXT
* ctx
, unsigned regno
, unsigned* size
)
580 case CV_REG_EAX
: *size
= sizeof(ctx
->Eax
); return &ctx
->Eax
;
581 case CV_REG_EDX
: *size
= sizeof(ctx
->Edx
); return &ctx
->Edx
;
582 case CV_REG_ECX
: *size
= sizeof(ctx
->Ecx
); return &ctx
->Ecx
;
583 case CV_REG_EBX
: *size
= sizeof(ctx
->Ebx
); return &ctx
->Ebx
;
584 case CV_REG_ESI
: *size
= sizeof(ctx
->Esi
); return &ctx
->Esi
;
585 case CV_REG_EDI
: *size
= sizeof(ctx
->Edi
); return &ctx
->Edi
;
586 case CV_REG_EBP
: *size
= sizeof(ctx
->Ebp
); return &ctx
->Ebp
;
587 case CV_REG_ESP
: *size
= sizeof(ctx
->Esp
); return &ctx
->Esp
;
588 case CV_REG_EIP
: *size
= sizeof(ctx
->Eip
); return &ctx
->Eip
;
590 /* These are x87 floating point registers... They do not match a C type in
591 * the Linux ABI, so hardcode their 80-bitness. */
592 case CV_REG_ST0
+ 0: *size
= 10; return &ctx
->FloatSave
.RegisterArea
[0*10];
593 case CV_REG_ST0
+ 1: *size
= 10; return &ctx
->FloatSave
.RegisterArea
[1*10];
594 case CV_REG_ST0
+ 2: *size
= 10; return &ctx
->FloatSave
.RegisterArea
[2*10];
595 case CV_REG_ST0
+ 3: *size
= 10; return &ctx
->FloatSave
.RegisterArea
[3*10];
596 case CV_REG_ST0
+ 4: *size
= 10; return &ctx
->FloatSave
.RegisterArea
[4*10];
597 case CV_REG_ST0
+ 5: *size
= 10; return &ctx
->FloatSave
.RegisterArea
[5*10];
598 case CV_REG_ST0
+ 6: *size
= 10; return &ctx
->FloatSave
.RegisterArea
[6*10];
599 case CV_REG_ST0
+ 7: *size
= 10; return &ctx
->FloatSave
.RegisterArea
[7*10];
601 case CV_REG_CTRL
: *size
= sizeof(DWORD
); return &ctx
->FloatSave
.ControlWord
;
602 case CV_REG_STAT
: *size
= sizeof(DWORD
); return &ctx
->FloatSave
.StatusWord
;
603 case CV_REG_TAG
: *size
= sizeof(DWORD
); return &ctx
->FloatSave
.TagWord
;
604 case CV_REG_FPCS
: *size
= sizeof(DWORD
); return &ctx
->FloatSave
.ErrorSelector
;
605 case CV_REG_FPIP
: *size
= sizeof(DWORD
); return &ctx
->FloatSave
.ErrorOffset
;
606 case CV_REG_FPDS
: *size
= sizeof(DWORD
); return &ctx
->FloatSave
.DataSelector
;
607 case CV_REG_FPDO
: *size
= sizeof(DWORD
); return &ctx
->FloatSave
.DataOffset
;
609 case CV_REG_EFLAGS
: *size
= sizeof(ctx
->EFlags
); return &ctx
->EFlags
;
610 case CV_REG_ES
: *size
= sizeof(ctx
->SegEs
); return &ctx
->SegEs
;
611 case CV_REG_CS
: *size
= sizeof(ctx
->SegCs
); return &ctx
->SegCs
;
612 case CV_REG_SS
: *size
= sizeof(ctx
->SegSs
); return &ctx
->SegSs
;
613 case CV_REG_DS
: *size
= sizeof(ctx
->SegDs
); return &ctx
->SegDs
;
614 case CV_REG_FS
: *size
= sizeof(ctx
->SegFs
); return &ctx
->SegFs
;
615 case CV_REG_GS
: *size
= sizeof(ctx
->SegGs
); return &ctx
->SegGs
;
619 FIXME("Unknown register %x\n", regno
);
623 static const char* i386_fetch_regname(unsigned regno
)
627 case CV_REG_EAX
: return "eax";
628 case CV_REG_EDX
: return "edx";
629 case CV_REG_ECX
: return "ecx";
630 case CV_REG_EBX
: return "ebx";
631 case CV_REG_ESI
: return "esi";
632 case CV_REG_EDI
: return "edi";
633 case CV_REG_EBP
: return "ebp";
634 case CV_REG_ESP
: return "esp";
635 case CV_REG_EIP
: return "eip";
637 case CV_REG_ST0
+ 0: return "st0";
638 case CV_REG_ST0
+ 1: return "st1";
639 case CV_REG_ST0
+ 2: return "st2";
640 case CV_REG_ST0
+ 3: return "st3";
641 case CV_REG_ST0
+ 4: return "st4";
642 case CV_REG_ST0
+ 5: return "st5";
643 case CV_REG_ST0
+ 6: return "st6";
644 case CV_REG_ST0
+ 7: return "st7";
646 case CV_REG_EFLAGS
: return "eflags";
647 case CV_REG_ES
: return "es";
648 case CV_REG_CS
: return "cs";
649 case CV_REG_SS
: return "ss";
650 case CV_REG_DS
: return "ds";
651 case CV_REG_FS
: return "fs";
652 case CV_REG_GS
: return "gs";
654 case CV_REG_CTRL
: return "fpControl";
655 case CV_REG_STAT
: return "fpStatus";
656 case CV_REG_TAG
: return "fpTag";
657 case CV_REG_FPCS
: return "fpCS";
658 case CV_REG_FPIP
: return "fpIP";
659 case CV_REG_FPDS
: return "fpDS";
660 case CV_REG_FPDO
: return "fpData";
662 case CV_REG_XMM0
+ 0: return "xmm0";
663 case CV_REG_XMM0
+ 1: return "xmm1";
664 case CV_REG_XMM0
+ 2: return "xmm2";
665 case CV_REG_XMM0
+ 3: return "xmm3";
666 case CV_REG_XMM0
+ 4: return "xmm4";
667 case CV_REG_XMM0
+ 5: return "xmm5";
668 case CV_REG_XMM0
+ 6: return "xmm6";
669 case CV_REG_XMM0
+ 7: return "xmm7";
671 case CV_REG_MXCSR
: return "MxCSR";
673 FIXME("Unknown register %x\n", regno
);
677 #ifndef DBGHELP_STATIC_LIB
678 static BOOL
i386_fetch_minidump_thread(struct dump_context
* dc
, unsigned index
, unsigned flags
, const CONTEXT
* ctx
)
680 if (ctx
->ContextFlags
&& (flags
& ThreadWriteInstructionWindow
))
682 /* FIXME: crop values across module boundaries, */
684 ULONG base
= ctx
->Eip
<= 0x80 ? 0 : ctx
->Eip
- 0x80;
685 minidump_add_memory_block(dc
, base
, ctx
->Eip
+ 0x80 - base
, 0);
693 static BOOL
i386_fetch_minidump_module(struct dump_context
* dc
, unsigned index
, unsigned flags
)
695 /* FIXME: actually, we should probably take care of FPO data, unless it's stored in
696 * function table minidump stream
701 DECLSPEC_HIDDEN
struct cpu cpu_i386
= {
702 IMAGE_FILE_MACHINE_I386
,
705 #ifndef DBGHELP_STATIC_LIB
713 i386_map_dwarf_register
,
714 i386_fetch_context_reg
,
716 #ifndef DBGHELP_STATIC_LIB
717 i386_fetch_minidump_thread
,
718 i386_fetch_minidump_module
,