-#define _GNU_SOURCE
-#include "private.h"
+/* Copyright (c) 2008-2012 Da SimGrid Team. All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "mc_private.h"
#include <stdlib.h>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_memory_map, mc,
memory_map_t ret = NULL; /* The memory map to return */
/* The following variables are used during the parsing of the file "maps" */
- s_map_region memreg; /* temporal map region used for creating the map */
+ s_map_region_t memreg; /* temporal map region used for creating the map */
char *lfields[6], *tok, *endptr;
int i;
- char *backup_line = NULL;
-
/* Open the actual process's proc maps file and create the memory_map_t */
/* to be returned. */
fp = fopen("/proc/self/maps", "r");
+ if(fp == NULL)
+ perror("fopen failed");
+
xbt_assert(fp,
"Cannot open /proc/self/maps to investigate the memory map of the process. Please report this bug.");
- //XBT_DEBUG("/proc/self/maps");
-
ret = xbt_new0(s_memory_map_t, 1);
/* Read one line at the time, parse it and add it to the memory map to be returned */
while ((read = getline(&line, &n, fp)) != -1) {
- //XBT_INFO("%s", line);
- if(XBT_LOG_ISENABLED(mc_memory_map, xbt_log_priority_debug))
- backup_line = strdup(line);
+ //fprintf(stderr,"%s", line);
/* Wipeout the new line character */
line[read - 1] = '\0';
memcpy(ret->regions + ret->mapsize, &memreg, sizeof(memreg));
ret->mapsize++;
- if(XBT_LOG_ISENABLED(mc_memory_map, xbt_log_priority_debug)){
- if ((memreg.prot & PROT_WRITE)){
- if (memreg.pathname == NULL){
- if (memreg.start_addr == std_heap){
- XBT_DEBUG("New region in snapshot : %s", backup_line);
- }
- } else {
- if (!memcmp(basename(memreg.pathname), "libsimgrid", 10)){
- XBT_DEBUG("New region in snapshot : %s", backup_line);
- }
- }
- }
- }
-
-
}
- if (line)
- free(line);
+ free(line);
+
+ fclose(fp);
return ret;
}
+
+void free_memory_map(memory_map_t map){
+
+ int i;
+ for(i=0; i< map->mapsize; i++){
+ xbt_free(map->regions[i].pathname);
+ }
+ xbt_free(map);
+}