mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-19 11:30:06 +00:00
65 lines
1.7 KiB
ArmAsm
65 lines
1.7 KiB
ArmAsm
/* Copyright (C) 1997 Free Software Foundation, Inc.
|
|
Contributed by Richard Henderson (rth@tamu.edu).
|
|
|
|
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. */
|
|
|
|
/* __sigsetjmp is implemented in terms of the getcontext trap on
|
|
Linux/Sparc64. */
|
|
|
|
#include <sysdep.h>
|
|
|
|
/* Offsets into the jmp_buf structure. */
|
|
|
|
#define O_mask_was_saved 512
|
|
#define O_gregs 32
|
|
#define O_g1 (O_gregs + 4*8)
|
|
|
|
/* int _setjmp(jmp_buf) */
|
|
|
|
ENTRY(_setjmp)
|
|
ba __sigsetjmp_local
|
|
set 0, %o1
|
|
END(_setjmp)
|
|
|
|
/* int setjmp(jmp_buf) */
|
|
|
|
ENTRY(setjmp)
|
|
set 1, %o1
|
|
END(setjmp)
|
|
|
|
/* int __sigsetjmp(jmp_buf, savemask) */
|
|
|
|
ENTRY(__sigsetjmp)
|
|
__sigsetjmp_local:
|
|
|
|
/* Record whether the user is intending to save the sigmask. */
|
|
st %o1, [%o0 + O_mask_was_saved]
|
|
|
|
/* Load up our return value, as longjmp is going to override
|
|
the jmp_buf on its way back. */
|
|
mov %g0, %g1
|
|
|
|
/* And call getcontext! */
|
|
ta 0x6e
|
|
|
|
retl
|
|
mov %g1, %o0
|
|
|
|
END(__sigsetjmp)
|
|
|
|
weak_extern(_setjmp)
|
|
weak_extern(setjmp)
|