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authorEric Andersen <andersen@codepoet.org>2002-01-31 15:49:34 +0000
committerEric Andersen <andersen@codepoet.org>2002-01-31 15:49:34 +0000
commit8dd9c51eb2f6c5dc659b426dc3bd114751adb405 (patch)
tree5eeeb11b1f38660340b91c83128cdb88cad6d65b /libc/sysdeps/linux/arm/__longjmp.S
parent290b06002e9d168438c418c508e6ab5431b05b62 (diff)
Fixup setjmp and longjmp so they behave themselves properly now
on both x86 and arm... -Erik
Diffstat (limited to 'libc/sysdeps/linux/arm/__longjmp.S')
-rw-r--r--libc/sysdeps/linux/arm/__longjmp.S40
1 files changed, 40 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/arm/__longjmp.S b/libc/sysdeps/linux/arm/__longjmp.S
new file mode 100644
index 000000000..4c12a748c
--- /dev/null
+++ b/libc/sysdeps/linux/arm/__longjmp.S
@@ -0,0 +1,40 @@
+/* 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 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 <features.h>
+#define _SETJMP_H
+#define _ASM
+#include <bits/setjmp.h>
+
+
+.globl __longjmp;
+.type __longjmp,%function
+.align 4;
+__longjmp:
+ mov ip, r0 /* save jmp_buf pointer */
+
+ movs r0, r1 /* get the return value in place */
+ moveq r0, #1 /* can't let setjmp() return zero! */
+
+#ifdef __UCLIBC_HAS_FLOATS__
+ lfmfd f4, 4, [ip] ! /* load the floating point regs */
+#endif
+
+ ldmia ip , {v1-v6, sl, fp, sp, pc}
+.size __longjmp,.-__longjmp;