b74ceb25aa
This change is intended to eliminate need to replace libc.so with libc_debug.so in order to enablememory allocation debugging. This is also the first step towards implementing extended memoryallocation debugging using emulator's capabilities in monitoring memory access.
81 lines
2.9 KiB
C
81 lines
2.9 KiB
C
/*
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* Copyright (C) 2009 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Contains implementation of memeory allocation routines instrumented for
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* usage in the emulator to detect memory allocation violations, such as
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* memory leaks, buffer overruns, etc.
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*/
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#include <stdlib.h>
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#include <pthread.h>
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#include <unistd.h>
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#include "dlmalloc.h"
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#include "logd.h"
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// This file should be included into the build only when
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// MALLOC_QEMU_INSTRUMENT macro is defined.
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#ifndef MALLOC_QEMU_INSTRUMENT
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#error MALLOC_QEMU_INSTRUMENT is not defined.
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#endif // MALLOC_QEMU_INSTRUMENT
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// =============================================================================
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// log functions
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// =============================================================================
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#define debug_log(format, ...) \
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__libc_android_log_print(ANDROID_LOG_DEBUG, "malloc_qemu", (format), ##__VA_ARGS__ )
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#define error_log(format, ...) \
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__libc_android_log_print(ANDROID_LOG_ERROR, "malloc_qemu", (format), ##__VA_ARGS__ )
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#define info_log(format, ...) \
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__libc_android_log_print(ANDROID_LOG_INFO, "malloc_qemu", (format), ##__VA_ARGS__ )
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void* qemu_instrumented_malloc(size_t bytes)
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{
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return dlmalloc(bytes);
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}
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void qemu_instrumented_free(void* mem)
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{
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dlfree(mem);
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}
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void* qemu_instrumented_calloc(size_t n_elements, size_t elem_size)
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{
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return dlcalloc(n_elements, elem_size);
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}
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void* qemu_instrumented_realloc(void* mem, size_t bytes)
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{
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return dlrealloc(mem, bytes);
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}
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void* qemu_instrumented_memalign(size_t alignment, size_t bytes)
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{
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return dlmemalign(alignment, bytes);
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}
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