+2012-04-27 Mike Frysinger <vapier@gentoo.org>
+
+ * sysdeps/ia64/backtrace.c: Replace all contents with a single
+ include of sysdeps/x86_64/backtrace.c.
+ * sysdeps/unix/sysv/linux/ia64/nptl/fork.c: Change include path
+ prefix from ../ to sysdeps/unix/sysv/linux/, and "..." to <...>.
+ * sysdeps/unix/sysv/linux/ia64/nptl/timer_create.c,
+ sysdeps/unix/sysv/linux/ia64/nptl/timer_delete.c,
+ sysdeps/unix/sysv/linux/ia64/nptl/timer_getoverr.c,
+ sysdeps/unix/sysv/linux/ia64/nptl/timer_gettime.c,
+ sysdeps/unix/sysv/linux/ia64/nptl/timer_settime.c,
+ sysdeps/unix/sysv/linux/ia64/sysconf.c,
+ sysdeps/unix/sysv/linux/ia64/system.c: Likewise.
+
2012-04-25 Mike Frysinger <vapier@gentoo.org>
* sysdeps/unix/sysv/linux/ia64/nptl/bits/local_lim.h: Replace
-/* Return backtrace of current program state.
- Copyright (C) 2003-2005, 2007, 2009, 2011 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
-
- 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, see
- <http://www.gnu.org/licenses/>. */
-
-#include <bits/libc-lock.h>
-#include <dlfcn.h>
-#include <execinfo.h>
-#include <stdlib.h>
-#include <unwind.h>
-
-struct trace_arg
-{
- void **array;
- _Unwind_Word cfa;
- int cnt;
- int size;
-};
-
-#ifdef SHARED
-static _Unwind_Reason_Code (*unwind_backtrace) (_Unwind_Trace_Fn, void *);
-static _Unwind_Ptr (*unwind_getip) (struct _Unwind_Context *);
-static _Unwind_Word (*unwind_getcfa) (struct _Unwind_Context *);
-static void *libgcc_handle;
-
-
-/* Dummy version in case libgcc_s does not contain the real code. */
-static _Unwind_Word
-dummy_getcfa (struct _Unwind_Context *ctx __attribute__ ((unused)))
-{
- return 0;
-}
-
-
-static void
-init (void)
-{
- libgcc_handle = __libc_dlopen ("libgcc_s.so.1");
-
- if (libgcc_handle == NULL)
- return;
-
- unwind_backtrace = __libc_dlsym (libgcc_handle, "_Unwind_Backtrace");
- unwind_getip = __libc_dlsym (libgcc_handle, "_Unwind_GetIP");
- if (unwind_getip == NULL)
- unwind_backtrace = NULL;
- unwind_getcfa = (__libc_dlsym (libgcc_handle, "_Unwind_GetCFA")
- ?: dummy_getcfa);
-}
-#else
-# define unwind_backtrace _Unwind_Backtrace
-# define unwind_getip _Unwind_GetIP
-# define unwind_getcfa _Unwind_GetCFA
-#endif
-
-static _Unwind_Reason_Code
-backtrace_helper (struct _Unwind_Context *ctx, void *a)
-{
- struct trace_arg *arg = a;
-
- /* We are first called with address in the __backtrace function.
- Skip it. */
- if (arg->cnt != -1)
- {
- arg->array[arg->cnt] = (void *) unwind_getip (ctx);
-
- /* Check whether we make any progress. */
- _Unwind_Word cfa = unwind_getcfa (ctx);
-
- if (arg->cnt > 0 && arg->array[arg->cnt - 1] == arg->array[arg->cnt]
- && cfa == arg->cfa)
- return _URC_END_OF_STACK;
- arg->cfa = cfa;
- }
- if (++arg->cnt == arg->size)
- return _URC_END_OF_STACK;
- return _URC_NO_REASON;
-}
-
-int
-__backtrace (array, size)
- void **array;
- int size;
-{
- struct trace_arg arg = { .array = array, .cfa = 0, .size = size, .cnt = -1 };
-#ifdef SHARED
- __libc_once_define (static, once);
-
- __libc_once (once, init);
- if (unwind_backtrace == NULL)
- return 0;
-#endif
-
- if (size >= 1)
- unwind_backtrace (backtrace_helper, &arg);
-
- /* _Unwind_Backtrace on IA-64 seems to put NULL address above
- _start. Fix it up here. */
- if (arg.cnt > 1 && arg.array[arg.cnt - 1] == NULL)
- --arg.cnt;
- return arg.cnt != -1 ? arg.cnt : 0;
-}
-weak_alias (__backtrace, backtrace)
-libc_hidden_def (__backtrace)
-
-
-#ifdef SHARED
-/* Free all resources if necessary. */
-libc_freeres_fn (free_mem)
-{
- unwind_backtrace = NULL;
- if (libgcc_handle != NULL)
- {
- __libc_dlclose (libgcc_handle);
- libgcc_handle = NULL;
- }
-}
-#endif
+#include <sysdeps/x86_64/backtrace.c>