1 /* Write formatted list with names for addresses in backtrace to a file.
2 Copyright (C) 1998, 2003, 2005 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
25 #include <stdio-common/_itoa.h>
26 #include <not-cancel.h>
28 #if __ELF_NATIVE_CLASS == 32
31 /* We assume 64bits. */
32 # define WORD_WIDTH 16
37 __backtrace_symbols_fd (array, size, fd)
45 for (cnt = 0; cnt < size; ++cnt)
49 iov[0].iov_base = (void *) "[0x";
52 iov[1].iov_base = _itoa_word ((unsigned long int) array[cnt],
53 &buf[WORD_WIDTH], 16, 0);
54 iov[1].iov_len = &buf[WORD_WIDTH] - (char *) iov[1].iov_base;
56 iov[2].iov_base = (void *) "]\n";
59 /* We prefer to use the non-cancelable interface if it is available. */
60 writev_not_cancel_no_status (fd, iov, 3);
63 weak_alias (__backtrace_symbols_fd, backtrace_symbols_fd)
64 libc_hidden_def (__backtrace_symbols_fd)