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Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc64/setjmp.S')
-rw-r--r--sysdeps/unix/sysv/linux/sparc64/setjmp.S48
1 files changed, 48 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc64/setjmp.S b/sysdeps/unix/sysv/linux/sparc64/setjmp.S
new file mode 100644
index 0000000000..8b88b49ac4
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc64/setjmp.S
@@ -0,0 +1,48 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+ Contributed by Richard Henderson (rth@tamu.edu).
+
+ 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. */
+
+/* __sigsetjmp is implemented in terms of the getcontext trap on
+ Linux/Sparc64. */
+
+#include <sysdep.h>
+
+/* Offsets into the jmp_buf structure. */
+
+#define O_mask_was_saved 512
+#define O_gregs 32
+#define O_g1 (O_gregs + 4*8)
+
+
+/* int __sigsetjmp(jmp_buf, savemask) */
+
+ENTRY(__sigsetjmp)
+
+ /* Record whether the user is intending to save the sigmask. */
+ st %o1, [%o0 + O_mask_was_saved]
+
+ /* Load up our return value, as longjmp is going to override
+ the jmp_buf on its way back. */
+ mov %g0, %g1
+
+ /* And call getcontext! */
+ ta 0x6e
+
+ retl
+ mov %g1, %o0
+
+END(__sigsetjmp)