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75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef libmalloc_h___
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#define libmalloc_h___
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#include <sys/types.h>
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#include <malloc.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "config.h"
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typedef unsigned long u_long;
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// For me->flags
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#define JP_FIRST_AFTER_PAUSE 1
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// Format of a jprof log entry. This is what's written out to the
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// "jprof-log" file.
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// It's called malloc_log_entry because the history of jprof is that
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// it's a modified version of tracemalloc.
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struct malloc_log_entry {
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u_long delTime;
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u_long numpcs;
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unsigned int flags;
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int thread;
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char* pcs[MAX_STACK_CRAWL];
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};
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// type's
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#define malloc_log_stack 7
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// Format of a malloc map entry; after this struct is nameLen+1 bytes of
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// name data.
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struct malloc_map_entry {
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u_long nameLen;
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u_long address; // base address
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};
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// A method that can be called if you want to programmatically control
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// the malloc logging. Note that you must link with the library to do
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// this (or use dlsym after dynamically loading the library...)
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extern u_long SetMallocFlags(u_long flags);
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// The environment variable LIBMALLOC_LOG should be set to an integer
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// value whose meaning is as follows:
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// Enable logging
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#define LIBMALLOC_LOG 0x1
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// Don't free memory when set
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#define LIBMALLOC_NOFREE 0x2
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// Check heap for corruption after every malloc/free/realloc
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#define LIBMALLOC_CHECK 0x4
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// Log reference count calls (addref/release)
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#define LIBMALLOC_LOG_RC 0x8
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// Log a stack trace
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#define LIBMALLOC_LOG_TRACE 0x10
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void __log_addref(void* p, int oldrc, int newrc);
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void __log_release(void* p, int oldrc, int newrc);
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#ifdef __cplusplus
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} /* end of extern "C" */
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#endif
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#endif /* libmalloc_h___ */
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