/* setjmp for SH3. Copyright (C) 1999, 2000 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <features.h> #define _SETJMP_H #define _ASM #include <bits/setjmp.h> .text /* 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. */ .align 4 .type _setjmp,@function .globl _setjmp; _setjmp: bra __sigsetjmp_intern mov #0, r1 .size _setjmp,.-_setjmp; /* This just does a tail-call to `__sigsetjmp (ARG, 1)'. 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. */ .align 4 .type setjmp,@function .globl setjmp; setjmp: bra __sigsetjmp_intern mov #1, r1 .size setjmp,.-setjmp; .align 4 .type __sigsetjmp,@function .globl __sigsetjmp; __sigsetjmp: mov r0, r1 nop /* align this guy */ __sigsetjmp_intern: /* Save registers */ #if defined __UCLIBC_HAS_FLOATS__ && ! defined __UCLIBC_HAS_SOFT_FLOAT__ add #(JB_SIZE), r4 fmov.s fr15, @-r4 fmov.s fr14, @-r4 fmov.s fr13, @-r4 fmov.s fr12, @-r4 sts.l fpscr, @-r4 #else add #(JB_SIZE-(5*4)), r4 /* this code doesn't do FP yet */ #endif stc.l gbr, @-r4 sts.l pr, @-r4 mov.l r15, @-r4 mov.l r14, @-r4 mov.l r13, @-r4 mov.l r12, @-r4 mov.l r11, @-r4 mov.l r10, @-r4 mov.l r9, @-r4 mov.l r8, @-r4 #if defined __HAVE_ELF__ && defined __HAVE_SHARED__ mov.l .LG, r2 mova .LG, r0 add r0, r2 /* Make a tail call to __sigjmp_save; it takes the same args. */ mov.l .L1, r0 mov.l @(r0,r2),r0 jmp @r0 mov r1, r0 .align 2 .LG: .long _GLOBAL_OFFSET_TABLE_ .L1: .long __sigjmp_save@GOT #else /* Make a tail call to __sigjmp_save; it takes the same args. */ mov.l .L1, r0 braf r0 mov r1, r0 .jmp_loc: .align 2 .L1: .long __sigjmp_save - .jmp_loc #endif .size __sigsetjmp,.-__sigsetjmp;