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dbghelp: Start implementing StackWalkEx. 

Simple copy of StackWalk implementation.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Eric Pouech 2021-10-19 15:51:18 +02:00 committed by Alexandre Julliard
parent e9fac51ae0
commit bef7e1f202
2 changed files with 76 additions and 1 deletions
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2
dlls/dbghelp/dbghelp.spec
View File

@ -32,7 +32,7 @@
@ stdcall SearchTreeForFileW(wstr wstr ptr)
@ stdcall StackWalk(long long long ptr ptr ptr ptr ptr ptr)
@ stdcall StackWalk64(long long long ptr ptr ptr ptr ptr ptr)
@ stub StackWalkEx
@ stdcall StackWalkEx(long long long ptr ptr ptr ptr ptr ptr long)
@ stub SymAddSourceStream
@ stub SymAddSourceStreamA
@ stub SymAddSourceStreamW

75
dlls/dbghelp/stack.c
View File

@ -245,6 +245,81 @@ BOOL WINAPI StackWalk64(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
return TRUE;
}
/* all the fields of STACKFRAME64 are present in STACKFRAME_EX at same offset
* So casting down a STACKFRAME_EX into a STACKFRAME64 is valid!
*/
C_ASSERT(sizeof(STACKFRAME64) == FIELD_OFFSET(STACKFRAME_EX, StackFrameSize));
C_ASSERT(FIELD_OFFSET(STACKFRAME64, AddrPC) == FIELD_OFFSET(STACKFRAME_EX, AddrPC));
C_ASSERT(FIELD_OFFSET(STACKFRAME64, AddrReturn) == FIELD_OFFSET(STACKFRAME_EX, AddrReturn));
C_ASSERT(FIELD_OFFSET(STACKFRAME64, AddrFrame) == FIELD_OFFSET(STACKFRAME_EX, AddrFrame));
C_ASSERT(FIELD_OFFSET(STACKFRAME64, AddrStack) == FIELD_OFFSET(STACKFRAME_EX, AddrStack));
C_ASSERT(FIELD_OFFSET(STACKFRAME64, AddrBStore) == FIELD_OFFSET(STACKFRAME_EX, AddrBStore));
C_ASSERT(FIELD_OFFSET(STACKFRAME64, FuncTableEntry) == FIELD_OFFSET(STACKFRAME_EX, FuncTableEntry));
C_ASSERT(FIELD_OFFSET(STACKFRAME64, Params) == FIELD_OFFSET(STACKFRAME_EX, Params));
C_ASSERT(FIELD_OFFSET(STACKFRAME64, Far) == FIELD_OFFSET(STACKFRAME_EX, Far));
C_ASSERT(FIELD_OFFSET(STACKFRAME64, Virtual) == FIELD_OFFSET(STACKFRAME_EX, Virtual));
C_ASSERT(FIELD_OFFSET(STACKFRAME64, Reserved) == FIELD_OFFSET(STACKFRAME_EX, Reserved));
C_ASSERT(FIELD_OFFSET(STACKFRAME64, KdHelp) == FIELD_OFFSET(STACKFRAME_EX, KdHelp));
/***********************************************************************
* StackWalkEx (DBGHELP.@)
*/
BOOL WINAPI StackWalkEx(DWORD MachineType, HANDLE hProcess, HANDLE hThread,
LPSTACKFRAME_EX frame, PVOID ctx,
PREAD_PROCESS_MEMORY_ROUTINE64 f_read_mem,
PFUNCTION_TABLE_ACCESS_ROUTINE64 FunctionTableAccessRoutine,
PGET_MODULE_BASE_ROUTINE64 GetModuleBaseRoutine,
PTRANSLATE_ADDRESS_ROUTINE64 f_xlat_adr,
DWORD flags)
{
struct cpu_stack_walk csw;
struct cpu* cpu;
TRACE("(%d, %p, %p, %p, %p, %p, %p, %p, %p, 0x%x)\n",
MachineType, hProcess, hThread, frame, ctx,
f_read_mem, FunctionTableAccessRoutine,
GetModuleBaseRoutine, f_xlat_adr, flags);
if (!(cpu = cpu_find(MachineType)))
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (frame->StackFrameSize != sizeof(*frame))
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (flags != 0)
{
FIXME("Unsupported yet flags 0x%x\n", flags);
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (frame->InlineFrameContext != INLINE_FRAME_CONTEXT_IGNORE)
{
FIXME("Inlined contexts are not supported yet\n");
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
csw.hProcess = hProcess;
csw.hThread = hThread;
csw.is32 = FALSE;
csw.cpu = cpu;
/* sigh... MS isn't even consistent in the func prototypes */
csw.u.s64.f_read_mem = (f_read_mem) ? f_read_mem : read_mem64;
csw.u.s64.f_xlat_adr = (f_xlat_adr) ? f_xlat_adr : addr_to_linear;
csw.u.s64.f_tabl_acs = (FunctionTableAccessRoutine) ? FunctionTableAccessRoutine : SymFunctionTableAccess64;
csw.u.s64.f_modl_bas = (GetModuleBaseRoutine) ? GetModuleBaseRoutine : SymGetModuleBase64;
if (!cpu->stack_walk(&csw, (STACKFRAME64*)frame, ctx)) return FALSE;
/* we don't handle KdHelp */
return TRUE;
}
/******************************************************************
* SymRegisterFunctionEntryCallback (DBGHELP.@)
*