mirror of
https://github.com/RPCSX/llvm.git
synced 2024-12-13 23:18:51 +00:00
b428c9ffd2
dependencies and add comments to tell future maintainers about those requirements. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304843 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
//===- FuzzerExtFunctionsDlsymWin.cpp - Interface to external functions ---===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
// Implementation using dynamic loading for Windows.
|
|
//===----------------------------------------------------------------------===//
|
|
#include "FuzzerDefs.h"
|
|
#if LIBFUZZER_WINDOWS
|
|
|
|
#include "FuzzerExtFunctions.h"
|
|
#include "FuzzerIO.h"
|
|
#include "Windows.h"
|
|
|
|
// This must be included after Windows.h.
|
|
#include "Psapi.h"
|
|
|
|
namespace fuzzer {
|
|
|
|
ExternalFunctions::ExternalFunctions() {
|
|
HMODULE Modules[1024];
|
|
DWORD BytesNeeded;
|
|
HANDLE CurrentProcess = GetCurrentProcess();
|
|
|
|
if (!EnumProcessModules(CurrentProcess, Modules, sizeof(Modules),
|
|
&BytesNeeded)) {
|
|
Printf("EnumProcessModules failed (error: %d).\n", GetLastError());
|
|
exit(1);
|
|
}
|
|
|
|
if (sizeof(Modules) < BytesNeeded) {
|
|
Printf("Error: the array is not big enough to hold all loaded modules.\n");
|
|
exit(1);
|
|
}
|
|
|
|
for (size_t i = 0; i < (BytesNeeded / sizeof(HMODULE)); i++)
|
|
{
|
|
FARPROC Fn;
|
|
#define EXT_FUNC(NAME, RETURN_TYPE, FUNC_SIG, WARN) \
|
|
if (this->NAME == nullptr) { \
|
|
Fn = GetProcAddress(Modules[i], #NAME); \
|
|
if (Fn == nullptr) \
|
|
Fn = GetProcAddress(Modules[i], #NAME "__dll"); \
|
|
this->NAME = (decltype(ExternalFunctions::NAME)) Fn; \
|
|
}
|
|
#include "FuzzerExtFunctions.def"
|
|
#undef EXT_FUNC
|
|
}
|
|
|
|
#define EXT_FUNC(NAME, RETURN_TYPE, FUNC_SIG, WARN) \
|
|
if (this->NAME == nullptr && WARN) \
|
|
Printf("WARNING: Failed to find function \"%s\".\n", #NAME);
|
|
#include "FuzzerExtFunctions.def"
|
|
#undef EXT_FUNC
|
|
}
|
|
|
|
} // namespace fuzzer
|
|
|
|
#endif // LIBFUZZER_WINDOWS
|