tools/jprof/stub/libmalloc.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef libmalloc_h___
   6 #define libmalloc_h___
   7
   8 #include <sys/types.h>
   9 #include <malloc.h>
  10
  11 #ifdef __cplusplus
  12 extern "C" {
  13 #endif
  14
  15 #include "config.h"
  16
  17 typedef unsigned long u_long;
  18
  19 // For me->flags
  20 #define JP_FIRST_AFTER_PAUSE 1
  21
  22 // Format of a jprof log entry. This is what's written out to the
  23 // "jprof-log" file.
  24 // It's called malloc_log_entry because the history of jprof is that
  25 // it's a modified version of tracemalloc.
  26 struct malloc_log_entry {
  27   u_long delTime;
  28   u_long numpcs;
  29   unsigned int flags;
  30   int thread;
  31   char* pcs[MAX_STACK_CRAWL];
  32 };
  33
  34 // Format of a malloc map entry; after this struct is nameLen+1 bytes of
  35 // name data.
  36 struct malloc_map_entry {
  37   u_long nameLen;
  38   u_long address;  // base address
  39 };
  40
  41 #ifdef __cplusplus
  42 } /* end of extern "C" */
  43 #endif
  44
  45 #endif /* libmalloc_h___ */