1 files changed, 81 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/or1k/__longjmp.S b/libc/sysdeps/linux/or1k/__longjmp.S
new file mode 100644
index 000000000..1eb5bb403
--- /dev/null
+++ b/libc/sysdeps/linux/or1k/__longjmp.S
@@ -0,0 +1,81 @@
+/* longjmp for or1k
+
+   Based on:
+   longjmp 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 <jmpbuf-offsets.h>
+
+#ifdef __UCLIBC_HAS_FLOATS__
+#define FP(x...) x
+#else
+#define FP(x...)
+#endif
+
+.globl     __longjmp;
+.type      __longjmp,@function;
+.align     2;
+
+__longjmp:    
+#	l.lwz   r11,(JB_SR*4)(r3)
+#	l.mtspr	r0,r11,SPR_SR
+	l.lwz   r1,((JB_GPRS+0)*4)(r3)
+	l.lwz   r2,((JB_GPRS+1)*4)(r3)
+	/* pass through "value" to r11, then restore r4, for what it's worth" */
+#if 1	
+	/* if r4 is 0, something wrong, so set it to 1 */
+	l.sfeqi r4, 0x0
+	l.bnf   1f /* r4 != 0, longjmp value sensible */
+	l.nop
+	l.ori   r4, r0, 0x1 /* make nonzero */
+1:
+#endif	
+	l.addi	r11, r4, 0
+	l.lwz   r4,((JB_GPRS+3)*4)(r3)
+	l.lwz   r5,((JB_GPRS+4)*4)(r3)
+	l.lwz   r6,((JB_GPRS+5)*4)(r3)
+	l.lwz   r7,((JB_GPRS+6)*4)(r3)
+	l.lwz   r8,((JB_GPRS+7)*4)(r3)
+	l.lwz   r9,((JB_GPRS+8)*4)(r3)
+	l.lwz   r10,((JB_GPRS+9)*4)(r3)
+	l.lwz   r12,((JB_GPRS+11)*4)(r3)
+	l.lwz   r13,((JB_GPRS+12)*4)(r3)
+	l.lwz   r14,((JB_GPRS+13)*4)(r3)
+	l.lwz   r15,((JB_GPRS+14)*4)(r3)
+	l.lwz   r16,((JB_GPRS+15)*4)(r3)
+	l.lwz   r17,((JB_GPRS+16)*4)(r3)
+	l.lwz   r18,((JB_GPRS+17)*4)(r3)
+	l.lwz   r19,((JB_GPRS+18)*4)(r3)
+	l.lwz   r20,((JB_GPRS+19)*4)(r3)
+	l.lwz   r21,((JB_GPRS+20)*4)(r3)
+	l.lwz   r22,((JB_GPRS+21)*4)(r3)
+	l.lwz   r23,((JB_GPRS+22)*4)(r3)
+	l.lwz   r24,((JB_GPRS+23)*4)(r3)
+	l.lwz   r25,((JB_GPRS+24)*4)(r3)
+	l.lwz   r26,((JB_GPRS+25)*4)(r3)
+	l.lwz   r27,((JB_GPRS+26)*4)(r3)
+	l.lwz   r28,((JB_GPRS+27)*4)(r3)
+	l.lwz   r29,((JB_GPRS+28)*4)(r3)
+	l.lwz   r30,((JB_GPRS+29)*4)(r3)
+	l.lwz   r31,((JB_GPRS+30)*4)(r3)
+	l.jr	r9
+	l.nop
+.size     __longjmp,.-__longjmp
+
+libc_hidden_def(__longjmp)