diff options
Diffstat (limited to 'lib/System/Unix/DynamicLibrary.cpp')
-rw-r--r-- | lib/System/Unix/DynamicLibrary.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/System/Unix/DynamicLibrary.cpp b/lib/System/Unix/DynamicLibrary.cpp new file mode 100644 index 0000000000..c513f51f95 --- /dev/null +++ b/lib/System/Unix/DynamicLibrary.cpp @@ -0,0 +1,47 @@ +//===- 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(const char *filename) { +#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 +} + +} |