db478a6274
Use the malloc debug framework to implement the malloc debug hooks
since it can introduce a performance issue.
Also, modify the bionic/tests/utils.h slightly to dump an error message
when the exe failed.
Bug: 30561479
Test: Ran malloc hook unit tests.
Test: Ran malloc debug unit tests.
Test: Enabled malloc hooks and ran bionic unit tests and verified no
Test: unexpected failures.
Test: Enabled malloc debug and malloc hooks and verified malloc debug wins.
Test: Enabled malloc debug using env, property, and property with name
Test: still works.
Change-Id: Ib50046a0493c5c2050cf831befb812310bdcc249
(cherry picked from commit d6a1dc2379)
94 lines
3.2 KiB
C
94 lines
3.2 KiB
C
/*
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* Copyright (C) 2012 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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#ifndef LIBC_INCLUDE_MALLOC_H_
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#define LIBC_INCLUDE_MALLOC_H_
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#include <sys/cdefs.h>
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#include <stddef.h>
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#include <stdio.h>
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__BEGIN_DECLS
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// Remove the workaround once b/37423073 is fixed.
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#if defined(__clang__) && !__has_attribute(alloc_size)
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#define __BIONIC_ALLOC_SIZE(...)
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#else
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#define __BIONIC_ALLOC_SIZE(...) __attribute__((__alloc_size__(__VA_ARGS__)))
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#endif
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void* malloc(size_t __byte_count) __mallocfunc __BIONIC_ALLOC_SIZE(1) __wur;
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void* calloc(size_t __item_count, size_t __item_size) __mallocfunc __BIONIC_ALLOC_SIZE(1,2) __wur;
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void* realloc(void* __ptr, size_t __byte_count) __BIONIC_ALLOC_SIZE(2) __wur;
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void free(void* __ptr);
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void* memalign(size_t __alignment, size_t __byte_count) __mallocfunc __BIONIC_ALLOC_SIZE(2) __wur;
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size_t malloc_usable_size(const void* __ptr) __INTRODUCED_IN(17);
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#ifndef STRUCT_MALLINFO_DECLARED
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#define STRUCT_MALLINFO_DECLARED 1
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struct mallinfo {
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size_t arena; /* Total number of non-mmapped bytes currently allocated from OS. */
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size_t ordblks; /* Number of free chunks. */
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size_t smblks; /* (Unused.) */
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size_t hblks; /* (Unused.) */
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size_t hblkhd; /* Total number of bytes in mmapped regions. */
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size_t usmblks; /* Maximum total allocated space; greater than total if trimming has occurred. */
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size_t fsmblks; /* (Unused.) */
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size_t uordblks; /* Total allocated space (normal or mmapped.) */
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size_t fordblks; /* Total free space. */
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size_t keepcost; /* Upper bound on number of bytes releasable by malloc_trim. */
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};
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#endif /* STRUCT_MALLINFO_DECLARED */
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struct mallinfo mallinfo(void);
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/*
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* XML structure for malloc_info(3) is in the following format:
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*
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* <malloc version="jemalloc-1">
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* <heap nr="INT">
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* <allocated-large>INT</allocated-large>
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* <allocated-huge>INT</allocated-huge>
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* <allocated-bins>INT</allocated-bins>
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* <bins-total>INT</bins-total>
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* <bin nr="INT">
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* <allocated>INT</allocated>
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* <nmalloc>INT</nmalloc>
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* <ndalloc>INT</ndalloc>
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* </bin>
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* <!-- more bins -->
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* </heap>
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* <!-- more heaps -->
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* </malloc>
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*/
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int malloc_info(int __must_be_zero, FILE* __fp) __INTRODUCED_IN(23);
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/* mallopt options */
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#define M_DECAY_TIME -100
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int mallopt(int __option, int __value) __INTRODUCED_IN(26);
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/*
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* Memory Allocation Hooks
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*/
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extern void* (*volatile __malloc_hook)(size_t, const void*) __INTRODUCED_IN(28);
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extern void* (*volatile __realloc_hook)(void*, size_t, const void*) __INTRODUCED_IN(28);
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extern void (*volatile __free_hook)(void*, const void*) __INTRODUCED_IN(28);
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extern void* (*volatile __memalign_hook)(size_t, size_t, const void*) __INTRODUCED_IN(28);
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__END_DECLS
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#endif /* LIBC_INCLUDE_MALLOC_H_ */
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