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Fix __builtin_return_address() for MSVC (problems accessing to the address pointed by eax when it is too small).

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This commit is contained in:
David Capello 2010-10-10 17:07:55 -03:00
parent 2be85b1ee5
commit baa0d8f469
1 changed files with 8 additions and 5 deletions
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13
src/gui/jmem.cpp
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@ -76,17 +76,20 @@ __declspec (naked) void* __builtin_return_address(int level)
push ebx
mov eax, ebp
mov ebx, DWORD PTR [esp + 8] // level
mov ebx, DWORD PTR[esp+8]
__next:
test ebx, ebx
je __break
dec ebx
mov eax, DWORD PTR [eax]
test eax, eax
je __done
mov eax, DWORD PTR[eax]
cmp eax, 0xffff
jbe __outofstack
jmp __next
__outofstack:
mov eax, 0
jmp __done
__break:
mov eax, DWORD PTR [eax + 4]
mov eax, DWORD PTR[eax+4]
__done:
pop ebx
ret