diff options
author | Jakub Jelinek <jakub@redhat.com> | 2008-05-20 19:31:24 +0000 |
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committer | Jakub Jelinek <jakub@redhat.com> | 2008-05-20 19:31:24 +0000 |
commit | e96fe50f0dd8d76fabfe139b46f059e3b2373b83 (patch) | |
tree | 50833fb9c0c5028eb88000d9dc7aa0e0b56b1747 /sysdeps/sparc/sparc64/backtrace.c | |
parent | 21032d9230e840a1f8b89d43e1e8d63ccf7c6eae (diff) |
Updated to fedora-glibc-20080520T1924cvs/fedora-glibc-2_8_90-4
Diffstat (limited to 'sysdeps/sparc/sparc64/backtrace.c')
-rw-r--r-- | sysdeps/sparc/sparc64/backtrace.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/sysdeps/sparc/sparc64/backtrace.c b/sysdeps/sparc/sparc64/backtrace.c new file mode 100644 index 0000000000..6d7e429e2e --- /dev/null +++ b/sysdeps/sparc/sparc64/backtrace.c @@ -0,0 +1,58 @@ +/* Return backtrace of current program state. + Copyright (C) 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by David S. Miller <davem@davemloft.net> + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <execinfo.h> +#include <stddef.h> +#include <bp-checks.h> +#include <sysdep.h> + +struct layout +{ + unsigned long locals[8]; + unsigned long ins[6]; + unsigned long next; + void *__unbounded return_address; +}; + +int +__backtrace (void **array, int size) +{ + struct layout *current; + unsigned long fp; + int count; + + asm volatile ("flushw"); + asm volatile ("mov %%fp, %0" : "=r"(fp)); + current = (struct layout *__unbounded) (fp + STACK_BIAS); + current = BOUNDED_1 (current); + + for (count = 0; count < size; count++) + { + array[count] = current->return_address; + if (!current->next) + break; + current = (struct layout *__unbounded) (current->next + STACK_BIAS); + current = BOUNDED_1 (current); + } + + return count; +} +weak_alias (__backtrace, backtrace) +libc_hidden_def (__backtrace) |