mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-24 03:33:20 +01:00
46115632ba
included when using global symbols to ask the linker for the addresses of various functions. One of the symbols was actually getting declared by a header included in DynamicLibrary.cpp, which conflicted with the "extern void*" declaration in SearchForAddressOfSpecialSymbol(). llvm-svn: 98243
65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
//===- SearchForAddressOfSpecialSymbol.cpp - Function addresses -*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file pulls the addresses of certain symbols out of the linker. It must
|
|
// include as few header files as possible because it declares the symbols as
|
|
// void*, which would conflict with the actual symbol type if any header
|
|
// declared it.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include <string.h>
|
|
|
|
// Must declare the symbols in the global namespace.
|
|
static void *DoSearch(const char* symbolName) {
|
|
#define EXPLICIT_SYMBOL(SYM) \
|
|
extern void *SYM; if (!strcmp(symbolName, #SYM)) return &SYM
|
|
|
|
// 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__
|
|
{
|
|
EXPLICIT_SYMBOL(__ashldi3);
|
|
EXPLICIT_SYMBOL(__ashrdi3);
|
|
EXPLICIT_SYMBOL(__cmpdi2);
|
|
EXPLICIT_SYMBOL(__divdi3);
|
|
EXPLICIT_SYMBOL(__eprintf);
|
|
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);
|
|
}
|
|
#endif
|
|
|
|
#ifdef __CYGWIN__
|
|
{
|
|
EXPLICIT_SYMBOL(_alloca);
|
|
EXPLICIT_SYMBOL(__main);
|
|
}
|
|
#endif
|
|
|
|
#undef EXPLICIT_SYMBOL
|
|
return 0;
|
|
}
|
|
|
|
namespace llvm {
|
|
void *SearchForAddressOfSpecialSymbol(const char* symbolName) {
|
|
return DoSearch(symbolName);
|
|
}
|
|
} // namespace llvm
|