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Implement the default constructor which causes the current program to be

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opened as if it was a dynamic library so its symbols can be searched too.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18341 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2004-11-29 10:39:46 +00:00
parent 7a9369065d
commit 441cc2ab01
4 changed files with 39 additions and 9 deletions
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10
lib/System/DynamicLibrary.cpp
View File

@ -28,6 +28,16 @@ using namespace sys;
#ifdef HAVE_LT_DLOPEN
DynamicLibrary::DynamicLibrary() : handle(0) {
if (0 != lt_dlinit())
throw std::string(lt_dlerror());
handle = lt_dlopen(0);
if (handle == 0)
throw std::string("Can't open program as dynamic library");
}
DynamicLibrary::DynamicLibrary(const char*filename) : handle(0) {
if (0 != lt_dlinit())
throw std::string(lt_dlerror());

10
lib/System/Unix/DynamicLibrary.cpp
View File

@ -16,8 +16,16 @@
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) {
DynamicLibrary::DynamicLibrary(const char *filename) : handle(0) {
#if defined (HAVE_DLOPEN)
if ((handle = dlopen (filename, RTLD_NOW | RTLD_GLOBAL)) == 0)
throw std::string( dlerror() );

14
lib/System/Win32/DynamicLibrary.cpp
View File

@ -22,15 +22,21 @@ using namespace sys;
//=== and must not be UNIX code
//===----------------------------------------------------------------------===//
DynamicLibrary::DynamicLibrary() : handle(0) {
handle = new HMODULE;
*((HMODULE*)handle) = GetModuleHandle(NULL);
if (*((HMODULE*)handle) == 0) {
ThrowError("Can't GetModuleHandle: ");
}
}
DynamicLibrary::DynamicLibrary(const char*filename) : handle(0) {
handle = new HMODULE;
*((HMODULE*)handle) = LoadLibrary(filename);
if (*((HMODULE*)handle) == 0) {
char Buffer[100];
// FIXME: This should use FormatMessage
sprintf(Buffer, "Windows error code %d\n", GetLastError());
throw std::string(Buffer);
ThrowError("Can't LoadLibrary: ");
}
}

14
lib/System/Win32/DynamicLibrary.inc
View File

@ -22,15 +22,21 @@ using namespace sys;
//=== and must not be UNIX code
//===----------------------------------------------------------------------===//
DynamicLibrary::DynamicLibrary() : handle(0) {
handle = new HMODULE;
*((HMODULE*)handle) = GetModuleHandle(NULL);
if (*((HMODULE*)handle) == 0) {
ThrowError("Can't GetModuleHandle: ");
}
}
DynamicLibrary::DynamicLibrary(const char*filename) : handle(0) {
handle = new HMODULE;
*((HMODULE*)handle) = LoadLibrary(filename);
if (*((HMODULE*)handle) == 0) {
char Buffer[100];
// FIXME: This should use FormatMessage
sprintf(Buffer, "Windows error code %d\n", GetLastError());
throw std::string(Buffer);
ThrowError("Can't LoadLibrary: ");
}
}