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107f813141
1998-07-16 20:01 Ulrich Drepper <drepper@cygnus.com> * debug/Makefile (routines): Add backtracesymsfd. Add rules to generate libSegFault. * debug/Versions: Add __backtrace_symbols_fd and backtrace_symbols_fd. * debug/execinfo.h: Declare backtrace_symbols_fd. * sysdeps/generic/backtracesymsfd.c: New file. * sysdeps/generic/elf/backtracesymsfd.c: New file. * sysdeps/generic/segfault.c: New file. * sysdeps/generic/sigcontextinfo.h: New file. * sysdeps/unix/sysv/linux/i386/sigcontextinfo.h: New file. * sysdeps/generic/elf/backtracesyms.c: Remove unneeded +.
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* Write formatted list with names for addresses in backtrace to a file.
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Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <execinfo.h>
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#include <string.h>
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#include <sys/uio.h>
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#include <stdio-common/_itoa.h>
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#if __ELF_NATIVE_CLASS == 32
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# define WORD_WIDTH 8
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#else
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/* We assyme 64bits. */
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# define WORD_WIDTH 16
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#endif
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void
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__backtrace_symbols_fd (array, size, fd)
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void *const *array;
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int size;
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int fd;
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{
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struct iovec iov[3];
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int cnt;
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for (cnt = 0; cnt < size; ++cnt)
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{
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char buf[WORD_WIDTH];
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iov[0].iov_base = (void *) "[0x";
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iov[0].iov_len = 3;
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iov[1].iov_base = _itoa_word ((unsigned long int) array[cnt],
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&buf[WORD_WIDTH], 16, 0);
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iov[1].iov_len = &buf[WORD_WIDTH] - (char *) iov[1].iov_base;
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iov[2].iov_base = (void *) "]\n";
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iov[2].iov_len = 2;
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__writev (fd, iov, 3);
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}
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}
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weak_alias (__backtrace_symbols_fd, backtrace_symbols_fd)
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