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