mirror of git://sourceware.org/git/glibc.git
59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/* Return list with names for address in backtrace.
|
|
Copyright (C) 1998, 2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <execinfo.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
|
|
/* Assume the worst for the width of an address. */
|
|
#define WORD_WIDTH 16
|
|
|
|
|
|
char **
|
|
__backtrace_symbols (array, size)
|
|
void *const *array;
|
|
int size;
|
|
{
|
|
int cnt;
|
|
size_t total = 0;
|
|
char **result;
|
|
|
|
/* We can compute the text size needed for the symbols since we print
|
|
them all as "[+0x<addr>]". */
|
|
total = size * (WORD_WIDTH + 6);
|
|
|
|
/* Allocate memory for the result. */
|
|
result = malloc (size * sizeof (char *) + total);
|
|
if (result != NULL)
|
|
{
|
|
char *last = (char *) (result + size);
|
|
|
|
for (cnt = 0; cnt < size; ++cnt)
|
|
{
|
|
result[cnt] = last;
|
|
last += 1 + sprintf (last, "[+%p]", array[cnt]);
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
weak_alias (__backtrace_symbols, backtrace_symbols)
|