mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-02 01:40:07 +00:00
49 lines
1.6 KiB
ArmAsm
49 lines
1.6 KiB
ArmAsm
/* BSD `_setjmp' entry point to `sigsetjmp (..., 0)'. m68k version.
|
|
Copyright (C) 1994 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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., 675 Mass Ave,
|
|
Cambridge, MA 02139, USA. */
|
|
|
|
/* This just does a tail-call to `__sigsetjmp (ARG, 0)'.
|
|
We cannot do it in C because it must be a tail-call, so frame-unwinding
|
|
in setjmp doesn't clobber the state restored by longjmp. */
|
|
|
|
#include <sysdep.h>
|
|
|
|
#ifdef MOTOROLA_SYNTAX
|
|
#define d0 %d0
|
|
#define d1 %d1
|
|
#define PUSH(reg) move.l reg, -(%sp)
|
|
#define POP(reg) move.l (%sp)+, reg
|
|
#define PUSH0 clr.l -(%sp)
|
|
#else
|
|
#define PUSH(reg) movel reg, sp@-
|
|
#define POP(reg) movel sp@+, reg
|
|
#define PUSH0 clrl sp@-
|
|
#endif
|
|
|
|
ENTRY (_setjmp)
|
|
POP (d0) /* Pop return PC. */
|
|
POP (d1) /* Pop jmp_buf argument. */
|
|
PUSH0 /* Push second argument of zero. */
|
|
PUSH (d1) /* Push back first argument. */
|
|
PUSH (d0) /* Push back return PC. */
|
|
#ifdef PIC
|
|
bra.l C_SYMBOL_NAME (__sigsetjmp@PLTPC)
|
|
#else
|
|
jmp C_SYMBOL_NAME (__sigsetjmp)
|
|
#endif
|