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Move darwin-specific majik here.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18466 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-12-03 23:02:42 +00:00
parent aee38ea569
commit 28dabf743b
1 changed files with 27 additions and 5 deletions
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32
lib/System/DynamicLibrary.cpp
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@ -14,6 +14,8 @@
#include "llvm/System/DynamicLibrary.h"
#include "ltdl.h"
#include <cassert>
using namespace llvm;
using namespace llvm::sys;
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only TRULY operating system
@ -32,10 +34,6 @@ static inline void check_ltdl_initialization() {
static std::vector<lt_dlhandle> OpenedHandles;
namespace llvm {
using namespace sys;
DynamicLibrary::DynamicLibrary() : handle(0) {
check_ltdl_initialization();
@ -101,6 +99,31 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
if (ptr)
return ptr;
}
// If this is darwin, it has some funky issues, try to solve them here. Some
// important symbols are marked 'private external' which doesn't allow
// SearchForAddressOfSymbol to find them. As such, we special case them here,
// there is only a small handful of them.
#ifdef __APPLE__
{
extern void *__ashldi3; if (Name == "__ashldi3") return &__ashldi3;
extern void *__ashrdi3; if (Name == "__ashrdi3") return &__ashrdi3;
extern void *__cmpdi2; if (Name == "__cmpdi2") return &__cmpdi2;
extern void *__divdi3; if (Name == "__divdi3") return &__divdi3;
extern void *__eprintf; if (Name == "__eprintf") return &__eprintf;
extern void *__fixdfdi; if (Name == "__fixdfdi") return &__fixdfdi;
extern void *__fixsfdi; if (Name == "__fixsfdi") return &__fixsfdi;
extern void *__fixunsdfdi; if (Name == "__fixunsdfdi") return &__fixunsdfdi;
extern void *__fixunssfdi; if (Name == "__fixunssfdi") return &__fixunssfdi;
extern void *__floatdidf; if (Name == "__floatdidf") return &__floatdidf;
extern void *__floatdisf; if (Name == "__floatdisf") return &__floatdisf;
extern void *__lshrdi3; if (Name == "__lshrdi3") return &__lshrdi3;
extern void *__moddi3; if (Name == "__moddi3") return &__moddi3;
extern void *__udivdi3; if (Name == "__udivdi3") return &__udivdi3;
extern void *__umoddi3; if (Name == "__umoddi3") return &__umoddi3;
}
#endif
return 0;
}
@ -109,4 +132,3 @@ void *DynamicLibrary::GetAddressOfSymbol(const char *symbolName) {
return lt_dlsym((lt_dlhandle) handle, symbolName);
}
} // namespace llvm