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-rw-r--r--libc/sysdeps/linux/sparc64/__longjmp.S40
1 files changed, 40 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sparc64/__longjmp.S b/libc/sysdeps/linux/sparc64/__longjmp.S
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--- /dev/null
+++ b/libc/sysdeps/linux/sparc64/__longjmp.S
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+/* Copyright (C) 1997-2017 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 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, see
+ <http://www.gnu.org/licenses/>. */
+
+#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)
+
+ENTRY(__longjmp)
+
+ /* Modify the context with the value we want to return. */
+ movre %o1, 1, %o1
+ stx %o1, [%o0 + O_g1]
+
+ /* Let setcontext know if we want to modify the current sigmask. */
+ ld [%o0 + O_mask_was_saved], %o1
+
+ /* And bamf back to where we belong! */
+ ta 0x6f
+
+END(__longjmp)
+
+libc_hidden_def (__longjmp)