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https://github.com/c64scene-ar/llvm-6502.git
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Eliminate use of ltdl.c when doing a VC++ build. Because libtool isn't used,
ltdl's LGPL license would infect all of LLVM. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19137 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
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@ -12,6 +12,19 @@
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//===----------------------------------------------------------------------===//
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#include "llvm/System/DynamicLibrary.h"
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// It is not possible to use ltdl.c on VC++ builds as the terms of its LGPL
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// license and special exception would cause all of LLVM to be placed under
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// the LGPL. This is because the exception applies only when libtool is
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// used, and obviously libtool is not used with Visual Studio. An entirely
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// separate implementation is provided in win32/DynamicLibrary.cpp.
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#ifdef _WIN32
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#include "win32/DynamicLibrary.cpp"
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#else
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#include "ltdl.h"
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#include <cassert>
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using namespace llvm;
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@ -135,3 +148,4 @@ void *DynamicLibrary::GetAddressOfSymbol(const char *symbolName) {
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return lt_dlsym((lt_dlhandle) handle, symbolName);
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}
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#endif // _WIN32
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@ -2,50 +2,105 @@
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Reid Spencer and is distributed under the
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// This file was developed by Jeff Cohen and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file provides the Win32 specific implementation of the DynamicLibrary
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// This file provides the Win32 specific implementation of DynamicLibrary.
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//
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//===----------------------------------------------------------------------===//
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#include "Win32.h"
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#include <dbghelp.h>
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#pragma comment(lib, "dbghelp.lib")
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namespace llvm {
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using namespace sys;
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//===----------------------------------------------------------------------===//
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//=== WARNING: Implementation here must contain only Win32 specific code
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//=== and must not be UNIX code
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//=== and must not be UNIX code.
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//===----------------------------------------------------------------------===//
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DynamicLibrary::DynamicLibrary() : handle(0) {
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handle = (void*) GetModuleHandle(NULL);
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static std::vector<HMODULE> OpenedHandles;
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if (handle == 0) {
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ThrowError("Can't GetModuleHandle: ");
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}
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BOOL CALLBACK ELM_Callback(PSTR ModuleName,
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ULONG ModuleBase,
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ULONG ModuleSize,
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PVOID UserContext)
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{
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OpenedHandles.push_back((HMODULE)ModuleBase);
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return TRUE;
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}
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DynamicLibrary::DynamicLibrary() : handle(0) {
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handle = GetModuleHandle(NULL);
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OpenedHandles.push_back((HMODULE)handle);
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}
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DynamicLibrary::DynamicLibrary(const char*filename) : handle(0) {
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handle = LoadLibrary(filename);
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HMODULE a_handle = LoadLibrary(filename);
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if (handle == 0) {
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ThrowError("Can't LoadLibrary: ");
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}
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if (a_handle == 0)
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ThrowError(std::string(filename) + ": Can't open : ");
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handle = a_handle;
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OpenedHandles.push_back(a_handle);
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}
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DynamicLibrary::~DynamicLibrary() {
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assert(handle !=0 && "Invalid DynamicLibrary handle");
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if (handle)
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FreeLibrary((HMODULE*)handle);
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if (handle == 0)
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return;
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// GetModuleHandle() does not increment the ref count, so we must not free
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// the handle to the executable.
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if (handle != GetModuleHandle(NULL))
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FreeLibrary((HMODULE)handle);
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handle = 0;
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for (std::vector<HMODULE>::iterator I = OpenedHandles.begin(),
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E = OpenedHandles.end(); I != E; ++I) {
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if (*I == handle) {
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// Note: don't use the swap/pop_back trick here. Order is important.
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OpenedHandles.erase(I);
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}
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}
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}
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void DynamicLibrary::LoadLibraryPermanently(const char* filename) {
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if (filename) {
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HMODULE a_handle = LoadLibrary(filename);
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if (a_handle == 0)
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ThrowError(std::string(filename) + ": Can't open : ");
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OpenedHandles.push_back(a_handle);
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} else {
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// When no file is specified, enumerate all DLLs and EXEs in the
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// process.
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EnumerateLoadedModules(GetCurrentProcess(), ELM_Callback, 0);
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}
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// Because we don't remember the handles, we will never free them; hence,
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// it is loaded permanently.
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}
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void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
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for (std::vector<HMODULE>::iterator I = OpenedHandles.begin(),
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E = OpenedHandles.end(); I != E; ++I) {
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FARPROC ptr = GetProcAddress((HMODULE)*I, symbolName);
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if (ptr)
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return ptr;
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}
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return 0;
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}
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void *DynamicLibrary::GetAddressOfSymbol(const char *symbolName) {
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assert(handle !=0 && "Invalid DynamicLibrary handle");
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return (void*) GetProcAddress((HMODULE*)handle, symbolName);
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assert(handle != 0 && "Invalid DynamicLibrary handle");
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return GetProcAddress((HMODULE)handle, symbolName);
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}
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}
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@ -2,50 +2,105 @@
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Reid Spencer and is distributed under the
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// This file was developed by Jeff Cohen and is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file provides the Win32 specific implementation of the DynamicLibrary
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// This file provides the Win32 specific implementation of DynamicLibrary.
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//
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//===----------------------------------------------------------------------===//
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#include "Win32.h"
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#include <dbghelp.h>
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#pragma comment(lib, "dbghelp.lib")
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namespace llvm {
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using namespace sys;
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//===----------------------------------------------------------------------===//
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//=== WARNING: Implementation here must contain only Win32 specific code
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//=== and must not be UNIX code
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//=== and must not be UNIX code.
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//===----------------------------------------------------------------------===//
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DynamicLibrary::DynamicLibrary() : handle(0) {
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handle = (void*) GetModuleHandle(NULL);
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static std::vector<HMODULE> OpenedHandles;
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if (handle == 0) {
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ThrowError("Can't GetModuleHandle: ");
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}
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BOOL CALLBACK ELM_Callback(PSTR ModuleName,
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ULONG ModuleBase,
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ULONG ModuleSize,
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PVOID UserContext)
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{
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OpenedHandles.push_back((HMODULE)ModuleBase);
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return TRUE;
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}
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DynamicLibrary::DynamicLibrary() : handle(0) {
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handle = GetModuleHandle(NULL);
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OpenedHandles.push_back((HMODULE)handle);
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}
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DynamicLibrary::DynamicLibrary(const char*filename) : handle(0) {
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handle = LoadLibrary(filename);
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HMODULE a_handle = LoadLibrary(filename);
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if (handle == 0) {
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ThrowError("Can't LoadLibrary: ");
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}
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if (a_handle == 0)
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ThrowError(std::string(filename) + ": Can't open : ");
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handle = a_handle;
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OpenedHandles.push_back(a_handle);
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}
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DynamicLibrary::~DynamicLibrary() {
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assert(handle !=0 && "Invalid DynamicLibrary handle");
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if (handle)
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FreeLibrary((HMODULE*)handle);
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if (handle == 0)
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return;
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// GetModuleHandle() does not increment the ref count, so we must not free
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// the handle to the executable.
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if (handle != GetModuleHandle(NULL))
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FreeLibrary((HMODULE)handle);
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handle = 0;
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for (std::vector<HMODULE>::iterator I = OpenedHandles.begin(),
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E = OpenedHandles.end(); I != E; ++I) {
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if (*I == handle) {
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// Note: don't use the swap/pop_back trick here. Order is important.
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OpenedHandles.erase(I);
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}
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}
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}
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void DynamicLibrary::LoadLibraryPermanently(const char* filename) {
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if (filename) {
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HMODULE a_handle = LoadLibrary(filename);
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if (a_handle == 0)
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ThrowError(std::string(filename) + ": Can't open : ");
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OpenedHandles.push_back(a_handle);
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} else {
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// When no file is specified, enumerate all DLLs and EXEs in the
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// process.
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EnumerateLoadedModules(GetCurrentProcess(), ELM_Callback, 0);
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}
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// Because we don't remember the handles, we will never free them; hence,
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// it is loaded permanently.
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}
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void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
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for (std::vector<HMODULE>::iterator I = OpenedHandles.begin(),
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E = OpenedHandles.end(); I != E; ++I) {
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FARPROC ptr = GetProcAddress((HMODULE)*I, symbolName);
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if (ptr)
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return ptr;
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}
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return 0;
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}
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void *DynamicLibrary::GetAddressOfSymbol(const char *symbolName) {
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assert(handle !=0 && "Invalid DynamicLibrary handle");
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return (void*) GetProcAddress((HMODULE*)handle, symbolName);
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assert(handle != 0 && "Invalid DynamicLibrary handle");
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return GetProcAddress((HMODULE)handle, symbolName);
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}
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}
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<File
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RelativePath="..\..\lib\System\DynamicLibrary.cpp">
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</File>
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<File
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RelativePath="..\..\lib\System\ltdl.c">
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<FileConfiguration
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Name="Debug|Win32">
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<Tool
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Name="VCCLCompilerTool"
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PreprocessorDefinitions="__WINDOWS__"/>
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</FileConfiguration>
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<FileConfiguration
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Name="Release|Win32">
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<Tool
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Name="VCCLCompilerTool"
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PreprocessorDefinitions="__WINDOWS__"/>
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</FileConfiguration>
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</File>
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<File
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RelativePath="..\..\lib\System\MappedFile.cpp">
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</File>
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<File
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RelativePath="..\..\include\llvm\System\DynamicLibrary.h">
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</File>
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<File
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RelativePath="..\..\lib\System\ltdl.h">
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</File>
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<File
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RelativePath="..\..\include\llvm\System\MappedFile.h">
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</File>
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Name="VCLinkerTool"
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OutputFile="$(OutDir)/lli.exe"
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LinkIncremental="2"
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ForceSymbolReferences="_X86TargetMachineModule"
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GenerateDebugInformation="TRUE"
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ProgramDatabaseFile="$(OutDir)/lli.pdb"
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SubSystem="1"
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@ -88,6 +89,7 @@
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Name="VCLinkerTool"
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OutputFile="$(OutDir)/lli.exe"
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LinkIncremental="1"
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ForceSymbolReferences="_X86TargetMachineModule"
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GenerateDebugInformation="TRUE"
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SubSystem="1"
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OptimizeReferences="2"
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@ -72,6 +72,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Configure", "Configure\Conf
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "lli", "lli\lli.vcproj", "{FB6FFD68-C1E4-4DCF-AB02-36D205D5263E}"
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ProjectSection(ProjectDependencies) = postProject
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{0622E827-8464-489D-8B1C-B0B496F35C08} = {0622E827-8464-489D-8B1C-B0B496F35C08}
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{28AA9146-3482-4F41-9CC6-407B1D258508} = {28AA9146-3482-4F41-9CC6-407B1D258508}
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{F1EFF064-8869-4DFF-8E1A-CD8F4A5F8D61} = {F1EFF064-8869-4DFF-8E1A-CD8F4A5F8D61}
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{059FBAB8-C76D-48A0-AA75-3C57BD3EAFE4} = {059FBAB8-C76D-48A0-AA75-3C57BD3EAFE4}
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@ -93,7 +94,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "llc", "llc\llc.vcproj", "{A
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{059FBAB8-C76D-48A0-AA75-3C57BD3EAFE4} = {059FBAB8-C76D-48A0-AA75-3C57BD3EAFE4}
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{45CD78D7-C5D9-47FE-AD12-F3251EEDAFFB} = {45CD78D7-C5D9-47FE-AD12-F3251EEDAFFB}
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{0F8407F3-FA23-4CF1-83A9-DCBE0B361489} = {0F8407F3-FA23-4CF1-83A9-DCBE0B361489}
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{144EEBF6-8C9B-4473-B715-2C821666AF6C} = {144EEBF6-8C9B-4473-B715-2C821666AF6C}
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EndProjectSection
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EndProject
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Global
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