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Windows/DynamicLibrary.inc: Split explicit symbols into explicit_symbols.inc.

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config.h.* have conditions whether each symbol is defined or not.
Autoconf and CMake may check symbols in libgcc.a for JIT on Mingw.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124950 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi
2011-02-05 15:11:53 +00:00
parent 3f4be4fb86
commit 1f6832a858
7 changed files with 1583 additions and 58 deletions
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73
lib/Support/Windows/DynamicLibrary.inc
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@@ -110,35 +110,14 @@ bool DynamicLibrary::LoadLibraryPermanently(const char *filename,
// 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; }
#define EXPLICIT_SYMBOL(SYM) \
extern "C" { extern void *SYM; }
#define EXPLICIT_SYMBOL2(SYMFROM, SYMTO) EXPLICIT_SYMBOL(SYMTO)
#if defined(__MINGW32__)
EXPLICIT_SYMBOL_DEF(_alloca)
EXPLICIT_SYMBOL_DEF(__main)
EXPLICIT_SYMBOL_DEF(__ashldi3)
EXPLICIT_SYMBOL_DEF(__ashrdi3)
EXPLICIT_SYMBOL_DEF(__cmpdi2)
EXPLICIT_SYMBOL_DEF(__divdi3)
EXPLICIT_SYMBOL_DEF(__fixdfdi)
EXPLICIT_SYMBOL_DEF(__fixsfdi)
EXPLICIT_SYMBOL_DEF(__fixunsdfdi)
EXPLICIT_SYMBOL_DEF(__fixunssfdi)
EXPLICIT_SYMBOL_DEF(__floatdidf)
EXPLICIT_SYMBOL_DEF(__floatdisf)
EXPLICIT_SYMBOL_DEF(__lshrdi3)
EXPLICIT_SYMBOL_DEF(__moddi3)
EXPLICIT_SYMBOL_DEF(__udivdi3)
EXPLICIT_SYMBOL_DEF(__umoddi3)
#elif defined(_MSC_VER)
EXPLICIT_SYMBOL_DEF(_alloca_probe)
#endif
#endif
#include "explicit_symbols.inc"
#undef EXPLICIT_SYMBOL
#undef EXPLICIT_SYMBOL2
void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
// First check symbols added via AddSymbol().
@@ -159,39 +138,17 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
}
}
#if defined(__MINGW32__)
{
EXPLICIT_SYMBOL(_alloca);
EXPLICIT_SYMBOL(__main);
EXPLICIT_SYMBOL(__ashldi3);
EXPLICIT_SYMBOL(__ashrdi3);
EXPLICIT_SYMBOL(__cmpdi2);
EXPLICIT_SYMBOL(__divdi3);
EXPLICIT_SYMBOL(__fixdfdi);
EXPLICIT_SYMBOL(__fixsfdi);
EXPLICIT_SYMBOL(__fixunsdfdi);
EXPLICIT_SYMBOL(__fixunssfdi);
EXPLICIT_SYMBOL(__floatdidf);
EXPLICIT_SYMBOL(__floatdisf);
EXPLICIT_SYMBOL(__lshrdi3);
EXPLICIT_SYMBOL(__moddi3);
EXPLICIT_SYMBOL(__udivdi3);
EXPLICIT_SYMBOL(__umoddi3);
#define EXPLICIT_SYMBOL(SYM) \
if (!strcmp(symbolName, #SYM)) return (void*)&SYM;
#define EXPLICIT_SYMBOL2(SYMFROM, SYMTO) \
if (!strcmp(symbolName, #SYMFROM)) return (void*)&SYMTO;
EXPLICIT_SYMBOL2(alloca, _alloca);
#undef EXPLICIT_SYMBOL
#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
#include "explicit_symbols.inc"
}
#endif
#undef EXPLICIT_SYMBOL
#undef EXPLICIT_SYMBOL2
return 0;
}

66
lib/Support/Windows/explicit_symbols.inc Normal file
View File

@@ -0,0 +1,66 @@
/* in libgcc.a */
#ifdef HAVE__ALLOCA
EXPLICIT_SYMBOL(_alloca)
EXPLICIT_SYMBOL2(alloca, _alloca);
#endif
#ifdef HAVE___ALLOCA
EXPLICIT_SYMBOL(__alloca)
#endif
#ifdef HAVE___CHKSTK
EXPLICIT_SYMBOL(__chkstk)
#endif
#ifdef HAVE____CHKSTK
EXPLICIT_SYMBOL(___chkstk)
#endif
#ifdef HAVE___MAIN
EXPLICIT_SYMBOL(__main) // FIXME: Don't call it.
#endif
#ifdef HAVE___ASHLDI3
EXPLICIT_SYMBOL(__ashldi3)
#endif
#ifdef HAVE___ASHRDI3
EXPLICIT_SYMBOL(__ashrdi3)
#endif
#ifdef HAVE___CMPDI2 // FIXME: unused
EXPLICIT_SYMBOL(__cmpdi2)
#endif
#ifdef HAVE___DIVDI3
EXPLICIT_SYMBOL(__divdi3)
#endif
#ifdef HAVE___FIXDFDI
EXPLICIT_SYMBOL(__fixdfdi)
#endif
#ifdef HAVE___FIXSFDI
EXPLICIT_SYMBOL(__fixsfdi)
#endif
#ifdef HAVE___FIXUNSDFDI
EXPLICIT_SYMBOL(__fixunsdfdi)
#endif
#ifdef HAVE___FIXUNSSFDI
EXPLICIT_SYMBOL(__fixunssfdi)
#endif
#ifdef HAVE___FLOATDIDF
EXPLICIT_SYMBOL(__floatdidf)
#endif
#ifdef HAVE___FLOATDISF
EXPLICIT_SYMBOL(__floatdisf)
#endif
#ifdef HAVE___LSHRDI3
EXPLICIT_SYMBOL(__lshrdi3)
#endif
#ifdef HAVE___MODDI3
EXPLICIT_SYMBOL(__moddi3)
#endif
#ifdef HAVE___UDIVDI3
EXPLICIT_SYMBOL(__udivdi3)
#endif
#ifdef HAVE___UMODDI3
EXPLICIT_SYMBOL(__umoddi3)
#endif
/* msvcrt */
#if defined(_MSC_VER)
EXPLICIT_SYMBOL2(alloca, _alloca_probe);
#endif