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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2007-06-25 07:12:14 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2007-06-25 07:12:14 +0000 |
| commit | 5248896635195dfa1df742c05c5faa157a501988 (patch) | |
| tree | 4a37f84802e587d0c7615f42ccb2eb1530d8334a /lib/System | |
| parent | f62c44a38dae790a4ba9491e1199a8e443fed63b (diff) | |
| download | external_llvm-5248896635195dfa1df742c05c5faa157a501988.zip external_llvm-5248896635195dfa1df742c05c5faa157a501988.tar.gz external_llvm-5248896635195dfa1df742c05c5faa157a501988.tar.bz2 | |
Provide hook for alloca on VCPP. Patch by Scott Graham
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37715 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/System')
| -rw-r--r-- | lib/System/Win32/DynamicLibrary.inc | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/lib/System/Win32/DynamicLibrary.inc b/lib/System/Win32/DynamicLibrary.inc index 91de113..251131e 100644 --- a/lib/System/Win32/DynamicLibrary.inc +++ b/lib/System/Win32/DynamicLibrary.inc @@ -88,15 +88,21 @@ DynamicLibrary::~DynamicLibrary() { } } -#ifdef __MINGW32__ +// Stack probing routines are in the support library (e.g. libgcc), but we don't +// have dynamic linking on windows. Provide a hook. +#if defined(__MINGW32__) || defined (_MSC_VER) #define EXPLICIT_SYMBOL(SYM) \ if (!strcmp(symbolName, #SYM)) return (void*)&SYM #define EXPLICIT_SYMBOL2(SYMFROM, SYMTO) \ if (!strcmp(symbolName, #SYMFROM)) return (void*)&SYMTO #define EXPLICIT_SYMBOL_DEF(SYM) \ extern "C" { extern void *SYM; } - - EXPLICIT_SYMBOL_DEF(_alloca); + + #if defined(__MINGW32__) + EXPLICIT_SYMBOL_DEF(_alloca); + #elif defined(_MSC_VER) + EXPLICIT_SYMBOL_DEF(_alloca_probe); + #endif #endif bool DynamicLibrary::LoadLibraryPermanently(const char *filename, @@ -133,7 +139,7 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) { return (void *) ptr; } -#ifdef __MINGW32__ +#if defined(__MINGW32__) { EXPLICIT_SYMBOL(_alloca); EXPLICIT_SYMBOL2(alloca, _alloca); @@ -141,6 +147,14 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) { #undef EXPLICIT_SYMBOL2 #undef EXPLICIT_SYMBOL_DEF } +#elif defined(_MSC_VER) + { + EXPLICIT_SYMBOL2(alloca, _alloca_probe); + EXPLICIT_SYMBOL2(_alloca, _alloca_probe); +#undef EXPLICIT_SYMBOL +#undef EXPLICIT_SYMBOL2 +#undef EXPLICIT_SYMBOL_DEF + } #endif return 0; |