diff options
-rw-r--r-- | libc/sysdeps/linux/arm/Makefile | 2 | ||||
-rw-r--r-- | libc/sysdeps/linux/arm/longjmp.S | 35 | ||||
-rw-r--r-- | libc/sysdeps/linux/arm/setjmp.S | 39 | ||||
-rw-r--r-- | libc/sysdeps/linux/i386/setjmp.S | 2 |
4 files changed, 76 insertions, 2 deletions
diff --git a/libc/sysdeps/linux/arm/Makefile b/libc/sysdeps/linux/arm/Makefile index 8c7cd9b1a..bd789669e 100644 --- a/libc/sysdeps/linux/arm/Makefile +++ b/libc/sysdeps/linux/arm/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)Rules.mak LIBC=$(TOPDIR)libc.a ASFLAGS=$(CFLAGS) -SSRC=_start.S +SSRC=_start.S longjmp.S setjmp.S SOBJS=$(patsubst %.S,%.o, $(SSRC)) CSRC= diff --git a/libc/sysdeps/linux/arm/longjmp.S b/libc/sysdeps/linux/arm/longjmp.S new file mode 100644 index 000000000..1819c3452 --- /dev/null +++ b/libc/sysdeps/linux/arm/longjmp.S @@ -0,0 +1,35 @@ +/* longjmp for ARM. + Copyright (C) 1997, 1998 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. */ + +#define _SETJMP_H +#define _ASM +#include <bits/setjmp.h> + +/* __longjmp(jmpbuf, val) */ + +.globl longjmp; +.align 4; \ +longjmp: + mov ip, r0 + movs r0, r1 /* get the return value in place */ + moveq r0, #1 /* can't let setjmp() return zero! */ + + ldmia ip,{v1-v6, sl, fp, sp, pc} +.size longjmp,.-longjmp; + diff --git a/libc/sysdeps/linux/arm/setjmp.S b/libc/sysdeps/linux/arm/setjmp.S new file mode 100644 index 000000000..979c182db --- /dev/null +++ b/libc/sysdeps/linux/arm/setjmp.S @@ -0,0 +1,39 @@ +/* setjmp for ARM. + Copyright (C) 1997, 1998 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. */ + +#define _SETJMP_H +#define _ASM +#include <bits/setjmp.h> + + /* Binary compatibility entry point. */ +.globl setjmp; +.align 4; \ +setjmp: + mov r1, #0 + + +.globl sigsetjmp; +.align 4; \ +sigsetjmp: + /* Save registers */ + stmia r0, {v1-v6, sl, fp, sp, lr} + + /* Make a tail call to __sigjmp_save; it takes the same args. */ + B __sigjmp_save +.size setjmp,.-setjmp; diff --git a/libc/sysdeps/linux/i386/setjmp.S b/libc/sysdeps/linux/i386/setjmp.S index 466fed2ba..b96796eca 100644 --- a/libc/sysdeps/linux/i386/setjmp.S +++ b/libc/sysdeps/linux/i386/setjmp.S @@ -54,7 +54,7 @@ __sigsetjmp: L(here): popl %ecx addl $_GLOBAL_OFFSET_TABLE_+[.-L(here)], %ecx - movl C_SYMBOL_NAME(__sigjmp_save@GOT)(%ecx), %ecx + movl (__sigjmp_save)(%ecx), %ecx jmp *%ecx #else jmp __sigjmp_save |