7708a89c60
Our dlmalloc implementation currently calls abort() when it detects that the heap is corrupted, or that an invalid pointer is passed to one of its functions. The only way to detect this is because abort() will force-fully crash the current program with a magic fault address of '0xdeadbaad'. However, this is not really well documented, and a frequent topic on the android-ndk forum (among others). This change makes our dlmalloc code dump a simple message to the log just before the abort() call (and hence before the stack trace) to better help identify the problem. Change-Id: Iebf7eb7fe26463ecadfaca8f247d237edb441e3c
52 lines
2.0 KiB
C
52 lines
2.0 KiB
C
/*
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* Copyright (C) 2008 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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#ifndef _ANDROID_BIONIC_LOGD_H
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#define _ANDROID_BIONIC_LOGD_H
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#include <stdarg.h>
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enum {
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ANDROID_LOG_UNKNOWN = 0,
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ANDROID_LOG_DEFAULT, /* only for SetMinPriority() */
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ANDROID_LOG_VERBOSE,
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ANDROID_LOG_DEBUG,
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ANDROID_LOG_INFO,
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ANDROID_LOG_WARN,
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ANDROID_LOG_ERROR,
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ANDROID_LOG_FATAL,
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ANDROID_LOG_SILENT, /* only for SetMinPriority(); must be last */
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};
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int __libc_android_log_write(int prio, const char* tag, const char* buffer);
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int __libc_android_log_print(int prio, const char *tag, const char *fmt, ...);
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int __libc_android_log_vprint(int prio, const char *tag, const char *fmt, va_list ap);
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#endif /* _ANDROID_BIONIC_LOGD_H */
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