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authorJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
committerJakub Jelinek <jakub@redhat.com>2007-07-12 18:26:36 +0000
commit0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (patch)
tree2ea1f8305970753e4a657acb2ccc15ca3eec8e2c /sysdeps/generic/backtrace.c
parent7d58530341304d403a6626d7f7a1913165fe2f32 (diff)
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2.5-18.1
Diffstat (limited to 'sysdeps/generic/backtrace.c')
-rw-r--r--sysdeps/generic/backtrace.c93
1 files changed, 0 insertions, 93 deletions
diff --git a/sysdeps/generic/backtrace.c b/sysdeps/generic/backtrace.c
deleted file mode 100644
index 6a3336c6d2..0000000000
--- a/sysdeps/generic/backtrace.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/* Return backtrace of current program state.  Generic version.
-   Copyright (C) 1998, 2000, 2002, 2004 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 <signal.h>
-#include <frame.h>
-#include <sigcontextinfo.h>
-#include <bp-checks.h>
-#include <ldsodefs.h>
-
-/* This implementation assumes a stack layout that matches the defaults
-   used by gcc's `__builtin_frame_address' and `__builtin_return_address'
-   (FP is the frame pointer register):
-
-	  +-----------------+     +-----------------+
-    FP -> | previous FP --------> | previous FP ------>...
-	  |                 |     |                 |
-	  | return address  |     | return address  |
-	  +-----------------+     +-----------------+
-
-  */
-
-/* Get some notion of the current stack.  Need not be exactly the top
-   of the stack, just something somewhere in the current frame.  */
-#ifndef CURRENT_STACK_FRAME
-# define CURRENT_STACK_FRAME  ({ char __csf; &__csf; })
-#endif
-
-/* By default we assume that the stack grows downward.  */
-#ifndef INNER_THAN
-# define INNER_THAN <
-#endif
-
-/* By default assume the `next' pointer in struct layout points to the
-   next struct layout.  */
-#ifndef ADVANCE_STACK_FRAME
-# define ADVANCE_STACK_FRAME(next) BOUNDED_1 ((struct layout *) (next))
-#endif
-
-/* By default, the frame pointer is just what we get from gcc.  */
-#ifndef FIRST_FRAME_POINTER
-# define FIRST_FRAME_POINTER  __builtin_frame_address (0)
-#endif
-
-int
-__backtrace (array, size)
-     void **array;
-     int size;
-{
-  struct layout *current;
-  void *__unbounded top_frame;
-  void *__unbounded top_stack;
-  int cnt = 0;
-
-  top_frame = FIRST_FRAME_POINTER;
-  top_stack = CURRENT_STACK_FRAME;
-
-  /* We skip the call to this function, it makes no sense to record it.  */
-  current = BOUNDED_1 ((struct layout *) top_frame);
-  while (cnt < size)
-    {
-      if ((void *) current INNER_THAN top_stack
-	  || !((void *) current INNER_THAN __libc_stack_end))
-       /* This means the address is out of range.  Note that for the
-	  toplevel we see a frame pointer with value NULL which clearly is
-	  out of range.  */
-	break;
-
-      array[cnt++] = current->return_address;
-
-      current = ADVANCE_STACK_FRAME (current->next);
-    }
-
-  return cnt;
-}
-weak_alias (__backtrace, backtrace)