mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2025-02-08 21:37:35 +00:00
9e369115fc
opened as if it was a dynamic library so its symbols can be searched too. llvm-svn: 18341
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
//===- Unix/DynamicLibrary.cpp - Generic UNIX Dynamic Library ---*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by Reid Spencer and is distributed under the
|
|
// University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the generic UNIX variant of DynamicLibrary
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "Unix.h"
|
|
|
|
namespace llvm {
|
|
using namespace sys;
|
|
|
|
DynamicLibrary::DynamicLibrary() : handle(0) {
|
|
#if defined (HAVE_DLOPEN)
|
|
if ((handle = dlopen(0, RTLD_NOW | RTLD_GLOBAL)) == 0)
|
|
throw std::string( dlerror() );
|
|
#else
|
|
assert(!"Dynamic object linking not implemented for this platform");
|
|
#endif
|
|
}
|
|
|
|
DynamicLibrary::DynamicLibrary(const char *filename) : handle(0) {
|
|
#if defined (HAVE_DLOPEN)
|
|
if ((handle = dlopen (filename, RTLD_NOW | RTLD_GLOBAL)) == 0)
|
|
throw std::string( dlerror() );
|
|
#else
|
|
assert (!"Dynamic object linking not implemented for this platform");
|
|
#endif
|
|
}
|
|
|
|
DynamicLibrary::~DynamicLibrary() {
|
|
assert(handle != 0 && "Invalid DynamicLibrary handle");
|
|
#if defined (HAVE_DLOPEN)
|
|
dlclose(handle);
|
|
#else
|
|
assert (!"Dynamic object linking not implemented for this platform");
|
|
#endif
|
|
}
|
|
|
|
void *DynamicLibrary::GetAddressOfSymbol(const char *symbolName) {
|
|
assert(handle != 0 && "Invalid DynamicLibrary handle");
|
|
#if defined(HAVE_DLOPEN)
|
|
return dlsym (handle, symbolName);
|
|
#else
|
|
assert (0 && "Dynamic symbol lookup not implemented for this platform");
|
|
#endif
|
|
}
|
|
|
|
}
|