mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
6073a05240
autoconf: Add checking ELM_Callback decl for mingw32 and mingw-w64. cmake/config-ix.cmake: Add checking ELM_Callback decl for win32. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130657 91177308-0d34-0410-b5e6-96231b3b80d8
138 lines
4.0 KiB
C++
138 lines
4.0 KiB
C++
//===- Win32/DynamicLibrary.cpp - Win32 DL Implementation -------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file provides the Win32 specific implementation of DynamicLibrary.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "Windows.h"
|
|
|
|
#ifdef __MINGW32__
|
|
#include <imagehlp.h>
|
|
#else
|
|
#include <dbghelp.h>
|
|
#endif
|
|
|
|
#ifdef _MSC_VER
|
|
#include <ntverp.h>
|
|
#endif
|
|
|
|
#ifdef __MINGW32__
|
|
#if (HAVE_LIBIMAGEHLP != 1)
|
|
#error "libimagehlp.a should be present"
|
|
#endif
|
|
#else
|
|
#pragma comment(lib, "dbghelp.lib")
|
|
#endif
|
|
|
|
namespace llvm {
|
|
using namespace sys;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
//=== WARNING: Implementation here must contain only Win32 specific code
|
|
//=== and must not be UNIX code.
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
static std::vector<HMODULE> OpenedHandles;
|
|
|
|
extern "C" {
|
|
|
|
static BOOL CALLBACK ELM_Callback(WIN32_ELMCB_PCSTR ModuleName,
|
|
ULONG_PTR ModuleBase,
|
|
ULONG ModuleSize,
|
|
PVOID UserContext)
|
|
{
|
|
// Ignore VC++ runtimes prior to 7.1. Somehow some of them get loaded
|
|
// into the process.
|
|
if (stricmp(ModuleName, "msvci70") != 0 &&
|
|
stricmp(ModuleName, "msvcirt") != 0 &&
|
|
stricmp(ModuleName, "msvcp50") != 0 &&
|
|
stricmp(ModuleName, "msvcp60") != 0 &&
|
|
stricmp(ModuleName, "msvcp70") != 0 &&
|
|
stricmp(ModuleName, "msvcr70") != 0 &&
|
|
#ifndef __MINGW32__
|
|
// Mingw32 uses msvcrt.dll by default. Don't ignore it.
|
|
// Otherwise, user should be aware, what he's doing :)
|
|
stricmp(ModuleName, "msvcrt") != 0 &&
|
|
#endif
|
|
stricmp(ModuleName, "msvcrt20") != 0 &&
|
|
stricmp(ModuleName, "msvcrt40") != 0) {
|
|
OpenedHandles.push_back((HMODULE)ModuleBase);
|
|
}
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
bool DynamicLibrary::LoadLibraryPermanently(const char *filename,
|
|
std::string *ErrMsg) {
|
|
if (filename) {
|
|
HMODULE a_handle = LoadLibrary(filename);
|
|
|
|
if (a_handle == 0)
|
|
return MakeErrMsg(ErrMsg, std::string(filename) + ": Can't open : ");
|
|
|
|
OpenedHandles.push_back(a_handle);
|
|
} else {
|
|
// When no file is specified, enumerate all DLLs and EXEs in the
|
|
// process.
|
|
EnumerateLoadedModules(GetCurrentProcess(), ELM_Callback, 0);
|
|
}
|
|
|
|
// Because we don't remember the handle, we will never free it; hence,
|
|
// it is loaded permanently.
|
|
return false;
|
|
}
|
|
|
|
// Stack probing routines are in the support library (e.g. libgcc), but we don't
|
|
// have dynamic linking on windows. Provide a hook.
|
|
#define EXPLICIT_SYMBOL(SYM) \
|
|
extern "C" { extern void *SYM; }
|
|
#define EXPLICIT_SYMBOL2(SYMFROM, SYMTO) EXPLICIT_SYMBOL(SYMTO)
|
|
|
|
#include "explicit_symbols.inc"
|
|
|
|
#undef EXPLICIT_SYMBOL
|
|
#undef EXPLICIT_SYMBOL2
|
|
|
|
void* DynamicLibrary::SearchForAddressOfSymbol(const char* symbolName) {
|
|
// First check symbols added via AddSymbol().
|
|
if (ExplicitSymbols) {
|
|
std::map<std::string, void *>::iterator I =
|
|
ExplicitSymbols->find(symbolName);
|
|
std::map<std::string, void *>::iterator E = ExplicitSymbols->end();
|
|
if (I != E)
|
|
return I->second;
|
|
}
|
|
|
|
// Now search the libraries.
|
|
for (std::vector<HMODULE>::iterator I = OpenedHandles.begin(),
|
|
E = OpenedHandles.end(); I != E; ++I) {
|
|
FARPROC ptr = GetProcAddress((HMODULE)*I, symbolName);
|
|
if (ptr) {
|
|
return (void *) ptr;
|
|
}
|
|
}
|
|
|
|
#define EXPLICIT_SYMBOL(SYM) \
|
|
if (!strcmp(symbolName, #SYM)) return (void*)&SYM;
|
|
#define EXPLICIT_SYMBOL2(SYMFROM, SYMTO) \
|
|
if (!strcmp(symbolName, #SYMFROM)) return (void*)&SYMTO;
|
|
|
|
{
|
|
#include "explicit_symbols.inc"
|
|
}
|
|
|
|
#undef EXPLICIT_SYMBOL
|
|
#undef EXPLICIT_SYMBOL2
|
|
|
|
return 0;
|
|
}
|
|
|
|
}
|