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4a0782918e
Such that the files can be included more easily. Change-Id: I3129b35393eaf41f90e59a530b752846085bf93e Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/164163 Auto-Submit: Daco Harkes <dacoharkes@google.com> Reviewed-by: Jonas Jensen <jonasfj@google.com>
60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
/*
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* Copyright (c) 2020, 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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*/
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#include "dart_api_dl.h" /* NOLINT */
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#include "dart_version.h" /* NOLINT */
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#include "internal/dart_api_dl_impl.h" /* NOLINT */
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#include <string.h>
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#define DART_API_DL_DEFINITIONS(name, R, A) name##_Type name##_DL = NULL;
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DART_API_ALL_DL_SYMBOLS(DART_API_DL_DEFINITIONS)
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#undef DART_API_DL_DEFINITIONS
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typedef void* DartApiEntry_function;
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DartApiEntry_function FindFunctionPointer(const DartApiEntry* entries,
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const char* name) {
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while (entries->name != NULL) {
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if (strcmp(entries->name, name) == 0) return entries->function;
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entries++;
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}
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return NULL;
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}
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intptr_t Dart_InitializeApiDL(void* data) {
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DartApi* dart_api_data = (DartApi*)data;
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if (dart_api_data->major != DART_API_DL_MAJOR_VERSION) {
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// If the DartVM we're running on does not have the same version as this
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// file was compiled against, refuse to initialize. The symbols are not
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// compatible.
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return -1;
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}
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// Minor versions are allowed to be different.
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// If the DartVM has a higher minor version, it will provide more symbols
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// than we initialize here.
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// If the DartVM has a lower minor version, it will not provide all symbols.
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// In that case, we leave the missing symbols un-initialized. Those symbols
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// should not be used by the Dart and native code. The client is responsible
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// for checking the minor version number himself based on which symbols it
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// is using.
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// (If we would error out on this case, recompiling native code against a
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// newer SDK would break all uses on older SDKs, which is too strict.)
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const DartApiEntry* dart_api_function_pointers = dart_api_data->functions;
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#define DART_API_DL_INIT(name, R, A) \
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name##_DL = \
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(name##_Type)(FindFunctionPointer(dart_api_function_pointers, #name));
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DART_API_ALL_DL_SYMBOLS(DART_API_DL_INIT)
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#undef DART_API_DL_INIT
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return 0;
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}
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