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Commit 1f872df2 authored by Eric Pouech's avatar Eric Pouech Committed by Alexandre Julliard
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dbghelp: Implemented StackWalk64.

parent 6e7d8a72
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Showing with 175 additions and 68 deletions
dlls/dbghelp/stack.c
View file @ 1f872df2
......@@ -63,6 +63,12 @@ static BOOL CALLBACK read_mem(HANDLE hProcess, DWORD addr, void* buffer,
return ReadProcessMemory(hProcess, (void*)addr, buffer, size, nread);
}
static BOOL CALLBACK read_mem64(HANDLE hProcess, DWORD64 addr, void* buffer,
DWORD size, LPDWORD nread)
{
return ReadProcessMemory(hProcess, (void*)(DWORD_PTR)addr, buffer, size, nread);
}
/* indexes in Reserved array */
#define __CurrentMode 0
#define __CurrentSwitch 1
......@@ -72,15 +78,64 @@ static BOOL CALLBACK read_mem(HANDLE hProcess, DWORD addr, void* buffer,
#define curr_switch (frame->Reserved[__CurrentSwitch])
#define next_switch (frame->Reserved[__NextSwitch])
/***********************************************************************
* StackWalk (DBGHELP.@)
*/
BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
LPSTACKFRAME frame, LPVOID ctx,
PREAD_PROCESS_MEMORY_ROUTINE f_read_mem,
PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
PTRANSLATE_ADDRESS_ROUTINE f_xlat_adr)
struct stack_walk_callback
{
HANDLE hProcess;
HANDLE hThread;
BOOL is32;
union
{
struct
{
PREAD_PROCESS_MEMORY_ROUTINE f_read_mem;
PTRANSLATE_ADDRESS_ROUTINE f_xlat_adr;
} s32;
struct
{
PREAD_PROCESS_MEMORY_ROUTINE64 f_read_mem;
PTRANSLATE_ADDRESS_ROUTINE64 f_xlat_adr;
} s64;
} u;
};
static inline void addr_32to64(const ADDRESS* addr32, ADDRESS64* addr64)
{
addr64->Offset = (ULONG64)addr32->Offset;
addr64->Segment = addr32->Segment;
addr64->Mode = addr32->Mode;
}
static inline void addr_64to32(const ADDRESS64* addr64, ADDRESS* addr32)
{
addr32->Offset = (ULONG)addr64->Offset;
addr32->Segment = addr64->Segment;
addr32->Mode = addr64->Mode;
}
static inline BOOL sw_read_mem(struct stack_walk_callback* cb, DWORD addr, void* ptr, DWORD sz)
{
if (cb->is32)
return cb->u.s32.f_read_mem(cb->hProcess, addr, ptr, sz, NULL);
else
return cb->u.s64.f_read_mem(cb->hProcess, addr, ptr, sz, NULL);
}
static inline DWORD sw_xlat_addr(struct stack_walk_callback* cb, ADDRESS* addr)
{
if (cb->is32)
return cb->u.s32.f_xlat_adr(cb->hProcess, cb->hThread, addr);
else if (cb->u.s64.f_xlat_adr)
{
ADDRESS64 addr64;
addr_32to64(addr, &addr64);
return cb->u.s64.f_xlat_adr(cb->hProcess, cb->hThread, &addr64);
}
else
return addr_to_linear(cb->hProcess, cb->hThread, addr);
}
static BOOL stack_walk(struct stack_walk_callback* cb, LPSTACKFRAME frame)
{
STACK32FRAME frame32;
STACK16FRAME frame16;
......@@ -90,24 +145,9 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
WORD val;
BOOL do_switch;
TRACE("(%ld, %p, %p, %p, %p, %p, %p, %p, %p)\n",
MachineType, hProcess, hThread, frame, ctx,
f_read_mem, FunctionTableAccessRoutine,
GetModuleBaseRoutine, f_xlat_adr);
if (MachineType != IMAGE_FILE_MACHINE_I386)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
/* sanity check */
if (curr_mode >= stm_done) return FALSE;
/* sigh... MS isn't even consistent in the func prototypes */
if (!f_read_mem) f_read_mem = read_mem;
if (!f_xlat_adr) f_xlat_adr = addr_to_linear;
TRACE("Enter: PC=%s Frame=%s Return=%s Stack=%s Mode=%s cSwitch=%08lx nSwitch=%08lx\n",
wine_dbgstr_addr(&frame->AddrPC),
wine_dbgstr_addr(&frame->AddrFrame),
......@@ -134,20 +174,18 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
/* cur_switch holds address of WOW32Reserved field in TEB in debuggee
* address space
*/
if (NtQueryInformationThread(hThread, ThreadBasicInformation, &info,
if (NtQueryInformationThread(cb->hThread, ThreadBasicInformation, &info,
sizeof(info), NULL) == STATUS_SUCCESS)
{
curr_switch = (unsigned long)info.TebBaseAddress + FIELD_OFFSET(TEB, WOW32Reserved);
if (!f_read_mem(hProcess, curr_switch, &next_switch,
sizeof(next_switch), NULL))
if (!sw_read_mem(cb, curr_switch, &next_switch, sizeof(next_switch)))
{
WARN("Can't read TEB:WOW32Reserved\n");
goto done_err;
}
if (curr_mode == stm_16bit)
{
if (!f_read_mem(hProcess, next_switch, &frame32,
sizeof(frame32), NULL))
if (!sw_read_mem(cb, next_switch, &frame32, sizeof(frame32)))
{
WARN("Bad stack frame 0x%08lx\n", next_switch);
goto done_err;
......@@ -156,8 +194,7 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
tmp.Mode = AddrMode1616;
tmp.Segment = SELECTOROF(curr_switch);
tmp.Offset = OFFSETOF(curr_switch);
if (!f_read_mem(hProcess, f_xlat_adr(hProcess, hThread, &tmp),
&ch, sizeof(ch), NULL))
if (!sw_read_mem(cb, sw_xlat_addr(cb, &tmp), &ch, sizeof(ch)))
curr_switch = 0xFFFFFFFF;
}
else
......@@ -165,15 +202,15 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
tmp.Mode = AddrMode1616;
tmp.Segment = SELECTOROF(next_switch);
tmp.Offset = OFFSETOF(next_switch);
p = f_xlat_adr(hProcess, hThread, &tmp);
if (!f_read_mem(hProcess, p, &frame16, sizeof(frame16), NULL))
p = sw_xlat_addr(cb, &tmp);
if (!sw_read_mem(cb, p, &frame16, sizeof(frame16)))
{
WARN("Bad stack frame 0x%08lx\n", p);
goto done_err;
}
curr_switch = (DWORD)frame16.frame32;
if (!f_read_mem(hProcess, curr_switch, &ch, sizeof(ch), NULL))
if (!sw_read_mem(cb, curr_switch, &ch, sizeof(ch)))
curr_switch = 0xFFFFFFFF;
}
}
......@@ -207,8 +244,7 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
{
if (curr_mode == stm_16bit)
{
if (!f_read_mem(hProcess, next_switch, &frame32,
sizeof(frame32), NULL))
if (!sw_read_mem(cb, next_switch, &frame32, sizeof(frame32)))
{
WARN("Bad stack frame 0x%08lx\n", next_switch);
goto done_err;
......@@ -230,16 +266,16 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
tmp.Mode = AddrMode1616;
tmp.Segment = SELECTOROF(next_switch);
tmp.Offset = OFFSETOF(next_switch);
p = f_xlat_adr(hProcess, hThread, &tmp);
p = sw_xlat_addr(cb, &tmp);
if (!f_read_mem(hProcess, p, &frame16, sizeof(frame16), NULL))
if (!sw_read_mem(cb, p, &frame16, sizeof(frame16)))
{
WARN("Bad stack frame 0x%08lx\n", p);
goto done_err;
}
curr_switch = (DWORD)frame16.frame32;
curr_mode = stm_32bit;
if (!f_read_mem(hProcess, curr_switch, &ch, sizeof(ch), NULL))
if (!sw_read_mem(cb, curr_switch, &ch, sizeof(ch)))
curr_switch = 0;
}
else
......@@ -247,9 +283,9 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
tmp.Mode = AddrMode1616;
tmp.Segment = SELECTOROF(next_switch);
tmp.Offset = OFFSETOF(next_switch);
p = f_xlat_adr(hProcess, hThread, &tmp);
p = sw_xlat_addr(cb, &tmp);
if (!f_read_mem(hProcess, p, &frame16, sizeof(frame16), NULL))
if (!sw_read_mem(cb, p, &frame16, sizeof(frame16)))
{
WARN("Bad stack frame 0x%08lx\n", p);
goto done_err;
......@@ -285,7 +321,7 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
frame->AddrReturn.Segment = frame16.cs;
next_switch = curr_switch;
if (!f_read_mem(hProcess, next_switch, &frame32, sizeof(frame32), NULL))
if (!sw_read_mem(cb, next_switch, &frame32, sizeof(frame32)))
{
WARN("Bad stack frame 0x%08lx\n", next_switch);
goto done_err;
......@@ -295,8 +331,7 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
tmp.Segment = SELECTOROF(curr_switch);
tmp.Offset = OFFSETOF(curr_switch);
if (!f_read_mem(hProcess, f_xlat_adr(hProcess, hThread, &tmp),
&ch, sizeof(ch), NULL))
if (!sw_read_mem(cb, sw_xlat_addr(cb, &tmp), &ch, sizeof(ch)))
curr_switch = 0;
curr_mode = stm_16bit;
}
......@@ -308,9 +343,8 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
{
frame->AddrStack.Offset = frame->AddrFrame.Offset + 2 * sizeof(WORD);
/* "pop up" previous BP value */
if (!f_read_mem(hProcess,
f_xlat_adr(hProcess, hThread, &frame->AddrFrame),
&val, sizeof(WORD), NULL))
if (!sw_read_mem(cb, sw_xlat_addr(cb, &frame->AddrFrame),
&val, sizeof(WORD)))
goto done_err;
frame->AddrFrame.Offset = val;
}
......@@ -318,8 +352,8 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
{
frame->AddrStack.Offset = frame->AddrFrame.Offset + 2 * sizeof(DWORD);
/* "pop up" previous EBP value */
if (!f_read_mem(hProcess, frame->AddrFrame.Offset,
&frame->AddrFrame.Offset, sizeof(DWORD), NULL))
if (!sw_read_mem(cb, frame->AddrFrame.Offset,
&frame->AddrFrame.Offset, sizeof(DWORD)))
goto done_err;
}
}
......@@ -329,13 +363,12 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
{
int i;
p = f_xlat_adr(hProcess, hThread, &frame->AddrFrame);
if (!f_read_mem(hProcess, p + sizeof(WORD), &val, sizeof(WORD), NULL))
p = sw_xlat_addr(cb, &frame->AddrFrame);
if (!sw_read_mem(cb, p + sizeof(WORD), &val, sizeof(WORD)))
goto done_err;
frame->AddrReturn.Offset = val;
/* get potential cs if a far call was used */
if (!f_read_mem(hProcess, p + 2 * sizeof(WORD),
&val, sizeof(WORD), NULL))
if (!sw_read_mem(cb, p + 2 * sizeof(WORD), &val, sizeof(WORD)))
goto done_err;
if (frame->AddrFrame.Offset & 1)
frame->AddrReturn.Segment = val; /* far call assumed */
......@@ -348,7 +381,7 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
{
LDT_ENTRY le;
if (GetThreadSelectorEntry(hThread, val, &le) &&
if (GetThreadSelectorEntry(cb->hThread, val, &le) &&
(le.HighWord.Bits.Type & 0x08)) /* code segment */
{
/* it is very uncommon to push a code segment cs as
......@@ -365,23 +398,20 @@ BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
*/
for (i = 0; i < sizeof(frame->Params) / sizeof(frame->Params[0]); i++)
{
f_read_mem(hProcess, p + (2 + i) * sizeof(WORD),
&val, sizeof(val), NULL);
sw_read_mem(cb, p + (2 + i) * sizeof(WORD), &val, sizeof(val));
frame->Params[i] = val;
}
}
else
{
if (!f_read_mem(hProcess,
frame->AddrFrame.Offset + sizeof(DWORD),
&frame->AddrReturn.Offset, sizeof(DWORD), NULL))
if (!sw_read_mem(cb, frame->AddrFrame.Offset + sizeof(DWORD),
&frame->AddrReturn.Offset, sizeof(DWORD)))
{
WARN("Cannot read new frame offset %08lx\n", frame->AddrFrame.Offset + sizeof(DWORD));
goto done_err;
}
f_read_mem(hProcess,
frame->AddrFrame.Offset + 2 * sizeof(DWORD),
frame->Params, sizeof(frame->Params), NULL);
sw_read_mem(cb, frame->AddrFrame.Offset + 2 * sizeof(DWORD),
frame->Params, sizeof(frame->Params));
}
frame->Far = FALSE;
......@@ -402,20 +432,97 @@ done_err:
}
/***********************************************************************
* StackWalk (DBGHELP.@)
*/
BOOL WINAPI StackWalk(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
LPSTACKFRAME frame, LPVOID ctx,
PREAD_PROCESS_MEMORY_ROUTINE f_read_mem,
PFUNCTION_TABLE_ACCESS_ROUTINE FunctionTableAccessRoutine,
PGET_MODULE_BASE_ROUTINE GetModuleBaseRoutine,
PTRANSLATE_ADDRESS_ROUTINE f_xlat_adr)
{
struct stack_walk_callback swcb;
TRACE("(%ld, %p, %p, %p, %p, %p, %p, %p, %p)\n",
MachineType, hProcess, hThread, frame, ctx,
f_read_mem, FunctionTableAccessRoutine,
GetModuleBaseRoutine, f_xlat_adr);
if (MachineType != IMAGE_FILE_MACHINE_I386)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
swcb.hProcess = hProcess;
swcb.hThread = hThread;
swcb.is32 = TRUE;
/* sigh... MS isn't even consistent in the func prototypes */
swcb.u.s32.f_read_mem = (f_read_mem) ? f_read_mem : read_mem;
swcb.u.s32.f_xlat_adr = (f_xlat_adr) ? f_xlat_adr : addr_to_linear;
return stack_walk(&swcb, frame);
}
/***********************************************************************
* StackWalk64 (DBGHELP.@)
*/
BOOL WINAPI StackWalk64(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
LPSTACKFRAME64 frame, LPVOID ctx,
LPSTACKFRAME64 frame64, LPVOID ctx,
PREAD_PROCESS_MEMORY_ROUTINE64 f_read_mem,
PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,
PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine,
PTRANSLATE_ADDRESS_ROUTINE64 f_xlat_adr)
{
FIXME("(%ld, %p, %p, %p, %p, %p, %p, %p, %p) - stub!\n",
MachineType, hProcess, hThread, frame, ctx,
struct stack_walk_callback swcb;
STACKFRAME frame32;
BOOL ret;
TRACE("(%ld, %p, %p, %p, %p, %p, %p, %p, %p) - stub!\n",
MachineType, hProcess, hThread, frame64, ctx,
f_read_mem, FunctionTableAccessRoutine,
GetModuleBaseRoutine, f_xlat_adr);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
if (MachineType != IMAGE_FILE_MACHINE_I386)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
addr_64to32(&frame64->AddrPC, &frame32.AddrPC);
addr_64to32(&frame64->AddrReturn, &frame32.AddrReturn);
addr_64to32(&frame64->AddrStack, &frame32.AddrStack);
addr_64to32(&frame64->AddrBStore, &frame32.AddrBStore);
frame32.FuncTableEntry = frame64->FuncTableEntry; /* FIXME */
frame32.Far = frame64->Far;
frame32.Virtual = frame64->Virtual;
frame32.Reserved[0] = (ULONG)frame64->Reserved[0];
frame32.Reserved[1] = (ULONG)frame64->Reserved[1];
frame32.Reserved[2] = (ULONG)frame64->Reserved[2];
/* we don't handle KdHelp */
swcb.hProcess = hProcess;
swcb.hThread = hThread;
swcb.is32 = FALSE;
/* sigh... MS isn't even consistent in the func prototypes */
swcb.u.s64.f_read_mem = (f_read_mem) ? f_read_mem : read_mem64;
swcb.u.s64.f_xlat_adr = f_xlat_adr;
ret = stack_walk(&swcb, &frame32);
addr_32to64(&frame32.AddrPC, &frame64->AddrPC);
addr_32to64(&frame32.AddrReturn, &frame64->AddrReturn);
addr_32to64(&frame32.AddrStack, &frame64->AddrStack);
addr_32to64(&frame32.AddrBStore, &frame64->AddrBStore);
frame64->FuncTableEntry = frame32.FuncTableEntry; /* FIXME */
frame64->Far = frame32.Far;
frame64->Virtual = frame32.Virtual;
frame64->Reserved[0] = (ULONG)frame32.Reserved[0];
frame64->Reserved[1] = (ULONG)frame32.Reserved[1];
frame64->Reserved[2] = (ULONG)frame32.Reserved[2];
/* we don't handle KdHelp */
return FALSE;
}
......
include/dbghelp.h
View file @ 1f872df2
......@@ -957,8 +957,8 @@ BOOL WINAPI StackWalk(DWORD, HANDLE, HANDLE, LPSTACKFRAME, PVOID,
typedef BOOL (CALLBACK *PREAD_PROCESS_MEMORY_ROUTINE64)
(HANDLE, DWORD64, PVOID, DWORD, PDWORD);
typedef PVOID (CALLBACK *PFUNCTION_TABLE_ACCESS_ROUTINE64)(HANDLE, DWORD64);
typedef DWORD (CALLBACK *PGET_MODULE_BASE_ROUTINE64)(HANDLE, DWORD64);
typedef DWORD (CALLBACK *PTRANSLATE_ADDRESS_ROUTINE64)(HANDLE, HANDLE, LPADDRESS64);
typedef DWORD64 (CALLBACK *PGET_MODULE_BASE_ROUTINE64)(HANDLE, DWORD64);
typedef DWORD64 (CALLBACK *PTRANSLATE_ADDRESS_ROUTINE64)(HANDLE, HANDLE, LPADDRESS64);
BOOL WINAPI StackWalk64(DWORD, HANDLE, HANDLE, LPSTACKFRAME64, PVOID,
PREAD_PROCESS_MEMORY_ROUTINE64,
PFUNCTION_TABLE_ACCESS_ROUTINE64,
......
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