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* sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h

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(FIRST_FRAME_POINTER): Define. 
* sysdeps/sparc/sparc64/backtrace.c: New file.
2008-05-20  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h
	(FIRST_FRAME_POINTER): Define.

2008-05-09  David S. Miller  <davem@davemloft.net>

	* sysdeps/sparc/sparc64/backtrace.c: New file.
This commit is contained in:
Jakub Jelinek 2008-05-20 19:23:00 +00:00
parent c1b8190a1d
commit ed8f38ba44
3 changed files with 70 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,12 @@
2008-05-20 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h
(FIRST_FRAME_POINTER): Define.
2008-05-09 David S. Miller <davem@davemloft.net>
* sysdeps/sparc/sparc64/backtrace.c: New file.
2008-05-14 David S. Miller <davem@davemloft.net>
* sysdeps/sparc/machine-gmon.h: New file.

58
sysdeps/sparc/sparc64/backtrace.c Normal file
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@ -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)

3
sysdeps/unix/sysv/linux/sparc/sparc32/sigcontextinfo.h
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@ -20,6 +20,9 @@
#define SIGCONTEXT struct sigcontext *
#define SIGCONTEXT_EXTRA_ARGS
#define GET_PC(__ctx) ((void *) ((__ctx)->si_regs.pc))
#define FIRST_FRAME_POINTER \
({ void *ret; \
asm volatile ("ta 3; add %%fp, 56, %0" : "=r" (ret)); ret; })
#define ADVANCE_STACK_FRAME(__next) \
((void *) (((unsigned *)(__next))+14))