blob: c4a68f44494d8daf23d3f3024f0fe2369dc78080 [file] [log] [blame]
* Copyright (c) 2020, 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 "dart_api_dl.h" /* NOLINT */
#include "dart_version.h" /* NOLINT */
#include "internal/dart_api_dl_impl.h" /* NOLINT */
#include <string.h>
#define DART_API_DL_DEFINITIONS(name, R, A) name##_Type name##_DL = NULL;
typedef void* DartApiEntry_function;
DartApiEntry_function FindFunctionPointer(const DartApiEntry* entries,
const char* name) {
while (entries->name != NULL) {
if (strcmp(entries->name, name) == 0) return entries->function;
return NULL;
intptr_t Dart_InitializeApiDL(void* data) {
DartApi* dart_api_data = (DartApi*)data;
if (dart_api_data->major != DART_API_DL_MAJOR_VERSION) {
// If the DartVM we're running on does not have the same version as this
// file was compiled against, refuse to initialize. The symbols are not
// compatible.
return -1;
// Minor versions are allowed to be different.
// If the DartVM has a higher minor version, it will provide more symbols
// than we initialize here.
// If the DartVM has a lower minor version, it will not provide all symbols.
// In that case, we leave the missing symbols un-initialized. Those symbols
// should not be used by the Dart and native code. The client is responsible
// for checking the minor version number himself based on which symbols it
// is using.
// (If we would error out on this case, recompiling native code against a
// newer SDK would break all uses on older SDKs, which is too strict.)
const DartApiEntry* dart_api_function_pointers = dart_api_data->functions;
#define DART_API_DL_INIT(name, R, A) \
name##_DL = \
(name##_Type)(FindFunctionPointer(dart_api_function_pointers, #name));
return 0;