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authorWaldemar Brodkorb <wbx@openadk.org>2015-10-08 20:28:39 +0200
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2015-10-09 05:34:32 +0200
commit4d8e5484afb4978f672a8568ddd12e628fb02724 (patch)
tree58be2b52d5afb90974cee8303c6966fb0298f7a0 /libc/sysdeps/linux/or1k/setjmp.S
parente78a0f58f23347c822c182d1c01f6eb9b9866d60 (diff)
add new architecture support for or1k
Information about Openrisc: http://opencores.org/or1k/Main_Page Integrated from: https://github.com/openrisc/uClibc-or1k
Diffstat (limited to 'libc/sysdeps/linux/or1k/setjmp.S')
-rw-r--r--libc/sysdeps/linux/or1k/setjmp.S96
1 files changed, 96 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/or1k/setjmp.S b/libc/sysdeps/linux/or1k/setjmp.S
new file mode 100644
index 000000000..2814f2f24
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/setjmp.S
@@ -0,0 +1,96 @@
+/* setjmp for or1k
+
+ Based on:
+ setjmp for PowerPC.
+ Copyright (C) 1995, 1996, 1997, 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include "spr_defs.h"
+#include <jmpbuf-offsets.h>
+
+#ifdef __UCLIBC_HAS_FLOATS__
+#define FP(x...) x
+#else
+#define FP(x...)
+#endif
+
+.globl _setjmp
+.type _setjmp, @function
+.align 2
+
+_setjmp:
+ l.addi r4,r0,0 /* Set second argument to 0. */
+ l.j .Local_sigsetjmp
+ l.nop
+.size _setjmp,.-_setjmp
+
+.globl __setjmp
+.type __setjmp, @function
+.align 2
+
+__setjmp:
+ l.addi r4,r0,1 /* Set second argument to 1. */
+ l.j .Local_sigsetjmp
+ l.nop
+.size __setjmp,.-__setjmp
+
+.globl setjmp
+.set setjmp,__setjmp
+
+.globl __sigsetjmp
+.type __sigsetjmp, @function
+.align 2
+
+__sigsetjmp:
+.Local_sigsetjmp:
+# l.mfspr r11,r0,SPR_SR
+# l.sw (JB_SR*4)(r3),r11
+ l.sw ((JB_GPRS+0)*4)(r3),r1
+ l.sw ((JB_GPRS+1)*4)(r3),r2
+/* l.sw ((JB_GPRS+2)*4)(r3),r3*/
+ l.sw ((JB_GPRS+3)*4)(r3),r4
+ l.sw ((JB_GPRS+4)*4)(r3),r5
+ l.sw ((JB_GPRS+5)*4)(r3),r6
+ l.sw ((JB_GPRS+6)*4)(r3),r7
+ l.sw ((JB_GPRS+7)*4)(r3),r8
+ l.sw ((JB_GPRS+8)*4)(r3),r9
+ l.sw ((JB_GPRS+9)*4)(r3),r10
+ l.sw ((JB_GPRS+10)*4)(r3),r11
+ l.sw ((JB_GPRS+11)*4)(r3),r12
+ l.sw ((JB_GPRS+12)*4)(r3),r13
+ l.sw ((JB_GPRS+13)*4)(r3),r14
+ l.sw ((JB_GPRS+14)*4)(r3),r15
+ l.sw ((JB_GPRS+15)*4)(r3),r16
+ l.sw ((JB_GPRS+16)*4)(r3),r17
+ l.sw ((JB_GPRS+17)*4)(r3),r18
+ l.sw ((JB_GPRS+18)*4)(r3),r19
+ l.sw ((JB_GPRS+19)*4)(r3),r20
+ l.sw ((JB_GPRS+20)*4)(r3),r21
+ l.sw ((JB_GPRS+21)*4)(r3),r22
+ l.sw ((JB_GPRS+22)*4)(r3),r23
+ l.sw ((JB_GPRS+23)*4)(r3),r24
+ l.sw ((JB_GPRS+24)*4)(r3),r25
+ l.sw ((JB_GPRS+25)*4)(r3),r26
+ l.sw ((JB_GPRS+26)*4)(r3),r27
+ l.sw ((JB_GPRS+27)*4)(r3),r28
+ l.sw ((JB_GPRS+28)*4)(r3),r29
+ l.sw ((JB_GPRS+29)*4)(r3),r30
+ l.sw ((JB_GPRS+30)*4)(r3),r31
+ l.j __sigjmp_save
+ l.nop
+.size __sigsetjmp,.-__sigsetjmp