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Add DynamicLinker support for systems that provide windows.h

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13851 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-05-27 20:53:10 +00:00
parent f0f3c06a90
commit 0a576b00b6
1 changed files with 23 additions and 8 deletions
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31
lib/Support/DynamicLinker.cpp
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@ -21,6 +21,7 @@
#include "Support/DynamicLinker.h"
#include "Config/dlfcn.h"
#include "Config/windows.h"
#include <cassert>
using namespace llvm;
@ -31,6 +32,16 @@ bool llvm::LinkDynamicObject (const char *filename, std::string *ErrorMessage) {
return true;
}
return false;
#elif defined(HAVE_WINDOWS_H)
if (LoadLibrary(filename))
return false;
if (ErrorMessage) {
char Buffer[100];
// FIXME: This should use FormatMessage
sprintf(Buffer, "Windows error code %d\n", GetLastError());
*ErrorMessage = Buffer;
}
return true;
#else
assert (0 && "Dynamic object linking not implemented for this platform");
#endif
@ -38,18 +49,22 @@ bool llvm::LinkDynamicObject (const char *filename, std::string *ErrorMessage) {
void *llvm::GetAddressOfSymbol (const char *symbolName) {
#if defined (HAVE_DLOPEN)
#ifdef RTLD_DEFAULT
return dlsym (RTLD_DEFAULT, symbolName);
#else
static void* CurHandle = dlopen(0, RTLD_LAZY);
return dlsym(CurHandle, symbolName);
#endif
# ifdef RTLD_DEFAULT
return dlsym (RTLD_DEFAULT, symbolName);
# else
static void* CurHandle = dlopen(0, RTLD_LAZY);
return dlsym(CurHandle, symbolName);
# endif
#elif defined(HAVE_WINDOWS_H)
static HMODULE ModHandle = NULL;
if (ModHandle == 0) ModHandle = GetModuleHandle(NULL);
return (void*)GetProcAddress(ModHandle, symbolName);
#else
assert (0 && "Dynamic symbol lookup not implemented for this platform");
#endif
}
// soft, cushiony C++ interface.
void *llvm::GetAddressOfSymbol (const std::string &symbolName) {
return GetAddressOfSymbol (symbolName.c_str ());
void *llvm::GetAddressOfSymbol(const std::string &symbolName) {
return GetAddressOfSymbol(symbolName.c_str());
}