/* Write formatted list with names for addresses in backtrace to a file. Copyright (C) 1998, 2003, 2005 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 <string.h> #include <sys/uio.h> #include <stdio-common/_itoa.h> #include <not-cancel.h> #if __ELF_NATIVE_CLASS == 32 # define WORD_WIDTH 8 #else /* We assume 64bits. */ # define WORD_WIDTH 16 #endif void __backtrace_symbols_fd (array, size, fd) void *const *array; int size; int fd; { struct iovec iov[3]; int cnt; for (cnt = 0; cnt < size; ++cnt) { char buf[WORD_WIDTH]; iov[0].iov_base = (void *) "[0x"; iov[0].iov_len = 3; iov[1].iov_base = _itoa_word ((unsigned long int) array[cnt], &buf[WORD_WIDTH], 16, 0); iov[1].iov_len = &buf[WORD_WIDTH] - (char *) iov[1].iov_base; iov[2].iov_base = (void *) "]\n"; iov[2].iov_len = 2; /* We prefer to use the non-cancelable interface if it is available. */ writev_not_cancel_no_status (fd, iov, 3); } } weak_alias (__backtrace_symbols_fd, backtrace_symbols_fd) libc_hidden_def (__backtrace_symbols_fd)