e2a8b1fd19
dladdr() is a GNU extension function, which allows the caller to retrieve symbol information for a specified memory address. It is useful for things like generating backtrace information at runtime. Change-Id: I3a1def1a6c9c666d93e1e97b7d260dfa5b9b79a9
37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <dlfcn.h>
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/* These are stubs for functions that are actually defined
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* in the dynamic linker (dlfcn.c), and hijacked at runtime.
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*/
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void *dlopen(const char *filename, int flag) { return 0; }
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const char *dlerror(void) { return 0; }
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void *dlsym(void *handle, const char *symbol) { return 0; }
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int dladdr(void *addr, Dl_info *info) { return 0; }
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int dlclose(void *handle) { return 0; }
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#ifdef __arm__
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void *dl_unwind_find_exidx(void *pc, int *pcount) { return 0; }
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#elif defined(__i386__) || defined(__sh__)
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/* we munge the cb definition so we don't have to include any headers here.
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* It won't affect anything since these are just symbols anyway */
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int dl_iterate_phdr(int (*cb)(void *info, void *size, void *data),
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void *data) { return 0; }
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#else
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#error Unsupported architecture. Only arm and x86 are supported.
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#endif
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