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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2025 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "swift/Basic/LoadDynamicLibrary.h"
#if defined(_WIN32)
#define WIN32_LEAN_AND_MEAN
#define NOMINMAX
#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/Windows/WindowsSupport.h"
#include "swift/Basic/LLVM.h"
#include <windows.h>
#else
#include <dlfcn.h>
#endif
#if defined(_WIN32)
void *swift::loadLibrary(const char *path, std::string *err) {
SmallVector<wchar_t, MAX_PATH> pathUnicode;
if (std::error_code ec = llvm::sys::windows::UTF8ToUTF16(path, pathUnicode)) {
SetLastError(ec.value());
llvm::MakeErrMsg(err, std::string(path) + ": Can't convert to UTF-16");
return nullptr;
}
HMODULE handle = LoadLibraryW(pathUnicode.data());
if (handle == NULL) {
llvm::MakeErrMsg(err, std::string(path) + ": Can't open");
return nullptr;
}
return (void *)handle;
}
void *swift::getAddressOfSymbol(void *handle, const char *symbol) {
return (void *)uintptr_t(GetProcAddress((HMODULE)handle, symbol));
}
#else
void *swift::loadLibrary(const char *path, std::string *err) {
void *handle = ::dlopen(path, RTLD_LAZY | RTLD_LOCAL);
if (!handle)
*err = ::dlerror();
return handle;
}
void *swift::getAddressOfSymbol(void *handle, const char *symbol) {
return ::dlsym(handle, symbol);
}
#endif
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