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dbghelp: Rewrite SymSetContext() on top of SymSetScopeFromAddr(). 

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Eric Pouech 2021-10-26 11:45:44 +02:00 committed by Alexandre Julliard
parent 925182b09f
commit 706c5400e9
1 changed files with 8 additions and 15 deletions
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23
dlls/dbghelp/dbghelp.c
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@ -607,34 +607,27 @@ BOOL WINAPI SymSetContext(HANDLE hProcess, PIMAGEHLP_STACK_FRAME StackFrame,
PIMAGEHLP_CONTEXT Context)
{
struct process* pcs;
struct module_pair pair;
struct symt_ht* sym;
BOOL same;
pair.pcs = pcs = process_find_by_handle(hProcess);
if (!pcs) return FALSE;
if (!(pcs = process_find_by_handle(hProcess))) return FALSE;
same = pcs->ctx_frame.ReturnOffset == StackFrame->ReturnOffset &&
pcs->ctx_frame.FrameOffset == StackFrame->FrameOffset &&
pcs->ctx_frame.StackOffset == StackFrame->StackOffset;
pair.requested = module_find_by_addr(pair.pcs, StackFrame->InstructionOffset, DMT_UNKNOWN);
if (!module_get_debug(&pair)) return FALSE;
if (!SymSetScopeFromAddr(hProcess, StackFrame->InstructionOffset))
return FALSE;
if ((sym = symt_find_nearest(pair.effective, StackFrame->InstructionOffset)) == NULL) return FALSE;
if (sym->symt.tag != SymTagFunction) return FALSE;
pcs->localscope_pc = StackFrame->InstructionOffset;
pcs->localscope_symt = &sym->symt;
if (pcs->ctx_frame.ReturnOffset == StackFrame->ReturnOffset &&
pcs->ctx_frame.FrameOffset == StackFrame->FrameOffset &&
pcs->ctx_frame.StackOffset == StackFrame->StackOffset)
pcs->ctx_frame = *StackFrame;
if (same)
{
TRACE("Setting same frame {rtn=%I64x frm=%I64x stk=%I64x}\n",
pcs->ctx_frame.ReturnOffset,
pcs->ctx_frame.FrameOffset,
pcs->ctx_frame.StackOffset);
pcs->ctx_frame.InstructionOffset = StackFrame->InstructionOffset;
SetLastError(ERROR_SUCCESS);
return FALSE;
}
pcs->ctx_frame = *StackFrame;
/* Context is not (no longer?) used */
return TRUE;
}