dart-sdk/runtime/bin/extensions_fuchsia.cc
Samir Jindel 362ef8e67c [vm/aot] Add a custom ELF loader in dart_precompiled_runtime.
Also switch some CQ bots using blobs to ELF. Once all embedders have migrated, we will remove blobs
support entirely.

Change-Id: Ie5e8c1187ad6c1af362b5715daafd3641bc8cc0e
Cq-Include-Trybots:luci.dart.try:vm-kernel-precomp-linux-debug-x64-try,vm-kernel-precomp-linux-release-simarm-try,vm-kernel-precomp-linux-release-simarm64-try,vm-kernel-precomp-bare-linux-release-simarm-try,vm-kernel-precomp-mac-debug-simarm_x64-try,vm-kernel-precomp-mac-release-simarm64-try,vm-kernel-precomp-win-release-x64-try,vm-kernel-precomp-android-release-arm-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/116620
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2019-09-24 15:03:19 +00:00

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// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "platform/globals.h"
#if defined(HOST_OS_FUCHSIA)
#include "bin/extensions.h"
#include <dlfcn.h>
#include <fcntl.h>
#include <lib/fdio/io.h>
#include <zircon/dlfcn.h>
#include "platform/assert.h"
namespace dart {
namespace bin {
void* Extensions::LoadExtensionLibrary(const char* library_file) {
return dlopen(library_file, RTLD_LAZY);
}
void* Extensions::ResolveSymbol(void* lib_handle, const char* symbol) {
dlerror();
return dlsym(lib_handle, symbol);
}
void Extensions::UnloadLibrary(void* lib_handle) {
dlerror();
int result = dlclose(lib_handle);
ASSERT(result == 0);
}
Dart_Handle Extensions::GetError() {
const char* err_str = dlerror();
if (err_str != NULL) {
return Dart_NewApiError(err_str);
}
return Dart_Null();
}
} // namespace bin
} // namespace dart
#endif // defined(HOST_OS_FUCHSIA)