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https://github.com/dart-lang/sdk
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5923ff4900
These were left out of order by the mechanical changes that were part of Fuchsia's Magenta->Zircon rename. Change-Id: I41c81eb889c6076ffe82102018721e5abc74e7ac Reviewed-on: https://dart-review.googlesource.com/6165 Reviewed-by: Zach Anderson <zra@google.com>
64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#include "platform/globals.h"
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#if defined(HOST_OS_FUCHSIA)
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#include "bin/extensions.h"
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#include <dlfcn.h>
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#include <fcntl.h>
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#include <fdio/io.h>
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#include <launchpad/vmo.h>
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#include <zircon/dlfcn.h>
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#include "platform/assert.h"
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namespace dart {
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namespace bin {
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const char* kVmSnapshotDataSymbolName = "_kDartVmSnapshotData";
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const char* kVmSnapshotInstructionsSymbolName = "_kDartVmSnapshotInstructions";
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const char* kIsolateSnapshotDataSymbolName = "_kDartIsolateSnapshotData";
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const char* kIsolateSnapshotInstructionsSymbolName =
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"_kDartIsolateSnapshotInstructions";
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void* Extensions::LoadExtensionLibrary(const char* library_file) {
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int fd = open(library_file, O_RDONLY);
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if (fd < 0) {
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return NULL;
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}
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zx_handle_t vmo;
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zx_status_t status = fdio_get_vmo(fd, &vmo);
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close(fd);
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if (status != ZX_OK) {
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return NULL;
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}
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return dlopen_vmo(vmo, RTLD_LAZY);
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}
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void* Extensions::ResolveSymbol(void* lib_handle, const char* symbol) {
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dlerror();
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return dlsym(lib_handle, symbol);
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}
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void Extensions::UnloadLibrary(void* lib_handle) {
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dlerror();
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int result = dlclose(lib_handle);
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ASSERT(result == 0);
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}
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Dart_Handle Extensions::GetError() {
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const char* err_str = dlerror();
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if (err_str != NULL) {
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return Dart_NewApiError(err_str);
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}
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return Dart_Null();
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}
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} // namespace bin
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} // namespace dart
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#endif // defined(HOST_OS_FUCHSIA)
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