/* 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 <unistd.h>
#include <execinfo.h>
#include <sys/stat.h>
#include "xbt/str.h"
#include "xbt/module.h" /* xbt_binary_name */
#include "src/xbt_modinter.h" /* backtrace initialization headers */
-#ifdef HAVE_MC
+#if HAVE_MC
#define UNW_LOCAL_ONLY
#include <libunwind.h>
#endif
* */
int xbt_backtrace_no_malloc(void **array, int size) {
-
int i = 0;
for(i=0; i < size; i++)
array[i] = NULL;
}
}
-
void xbt_ex_setup_backtrace(xbt_ex_t * e) //FIXME: This code could be greatly improved/simplifyied with http://cairo.sourcearchive.com/documentation/1.9.4/backtrace-symbols_8c-source.html
{
int i;
binary_name = bprintf("%s/%s", data, xbt_binary_name);
if (!stat(binary_name, &stat_buf)) {
/* Found. */
- XBT_DEBUG("Looked in the PATH for the binary. Found %s",
- binary_name);
+ XBT_DEBUG("Looked in the PATH for the binary. Found %s", binary_name);
break;
}
}
e->used = 1;
e->bt_strings = xbt_new(char *, 1);
- e->bt_strings[0] =
- bprintf("(binary '%s' not found in the PATH)", xbt_binary_name);
+ e->bt_strings[0] = bprintf("(binary '%s' not found in the PATH)", xbt_binary_name);
free(backtrace_syms);
return;
}
} else {
binary_name = xbt_strdup(xbt_binary_name);
}
- cmd = curr =
- xbt_new(char,
- strlen(ADDR2LINE) + 25 + strlen(binary_name) + 32 * e->used);
+ cmd = curr = xbt_new(char, strlen(ADDR2LINE) + 25 + strlen(binary_name) + 32 * e->used);
curr += sprintf(curr, "%s -f -e %s ", ADDR2LINE, binary_name);
free(binary_name);
addr = strtol(addrs[i], &p, 16);
if (*p != '\0') {
- XBT_CRITICAL("Cannot parse backtrace address '%s' (addr=%#lx)",
- addrs[i], addr);
+ XBT_CRITICAL("Cannot parse backtrace address '%s' (addr=%#lx)", addrs[i], addr);
}
XBT_DEBUG("addr=%s (as string) =%#lx (as number)", addrs[i], addr);
}
if (found) {
XBT_DEBUG("%#lx in [%#lx-%#lx]", addr, first, last);
- XBT_DEBUG
- ("Symbol found, map lines not further displayed (even if looking for next ones)");
+ XBT_DEBUG("Symbol found, map lines not further displayed (even if looking for next ones)");
}
}
fclose(maps);
free(addrs[i]);
if (!found) {
- XBT_VERB
- ("Problem while reading the maps file. Following backtrace will be mangled.");
+ XBT_VERB("Problem while reading the maps file. Following backtrace will be mangled.");
XBT_DEBUG("No dynamic. Static symbol: %s", backtrace_syms[i]);
e->bt_strings[i] = bprintf("** In ?? (%s)", backtrace_syms[i]);
continue;
addrs[i] = bprintf("0x%0*lx", addr_len - 2, addr - offset);
XBT_DEBUG("offset=%#lx new addr=%s", offset, addrs[i]);
- /* Got it. We have our new address. Let's get the library path and we
- are set */
+ /* Got it. We have our new address. Let's get the library path and we are set */
p = xbt_strdup(backtrace_syms[i]);
if (p[0] == '[') {
/* library path not displayed in the map file either... */
/* check whether the trick worked */
if (strcmp("??", line_func)) {
XBT_DEBUG("Found dynamic symbol %s() at %s", line_func, line_pos);
- e->bt_strings[i] =
- bprintf("** In %s() at %s", line_func, line_pos);
+ e->bt_strings[i] = bprintf("** In %s() at %s", line_func, line_pos);
} else {
/* damn, nothing to do here. Let's print the raw address */
- XBT_DEBUG("Dynamic symbol not found. Raw address = %s",
- backtrace_syms[i]);
+ XBT_DEBUG("Dynamic symbol not found. Raw address = %s", backtrace_syms[i]);
e->bt_strings[i] = bprintf("** In ?? at %s", backtrace_syms[i]);
}
-
}
free(addrs[i]);
/* Mask the bottom of the stack */
if (!strncmp("main", line_func, strlen("main")) ||
- !strncmp("xbt_thread_context_wrapper", line_func,
- strlen("xbt_thread_context_wrapper"))
- || !strncmp("smx_ctx_sysv_wrapper", line_func,
- strlen("smx_ctx_sysv_wrapper"))) {
+ !strncmp("xbt_thread_context_wrapper", line_func, strlen("xbt_thread_context_wrapper"))
+ || !strncmp("smx_ctx_sysv_wrapper", line_func, strlen("smx_ctx_sysv_wrapper"))) {
int j;
for (j = i + 1; j < e->used; j++)
e->used = i + 1;
if (!strncmp
- ("xbt_thread_context_wrapper", line_func,
- strlen("xbt_thread_context_wrapper"))) {
+ ("xbt_thread_context_wrapper", line_func, strlen("xbt_thread_context_wrapper"))) {
free(e->bt_strings[i]);
e->bt_strings[i] = xbt_strdup("** (in a separate thread)");
}
}
-
-
}
pclose(pipe);
free(addrs);
free(cmd);
}
-#ifdef HAVE_MC
-
+#if HAVE_MC
int xbt_libunwind_backtrace(void* bt[XBT_BACKTRACE_SIZE], int size){
-
int i = 0;
for(i=0; i < size; i++)
bt[i] = NULL;
unw_getcontext (&uc);
unw_init_local (&c, &uc);
-
+
unw_word_t ip;
unw_step(&c);
-
- while(unw_step(&c) >= 0 && i < size){
+ while(unw_step(&c) >= 0 && i < size){
unw_get_reg(&c, UNW_REG_IP, &ip);
bt[i] = (void*)(long)ip;
i++;
-
}
return i;
-
}
-
#endif
