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-rw-r--r--sysdeps/sh/sh3/bsd-setjmp.S51
1 files changed, 51 insertions, 0 deletions
diff --git a/sysdeps/sh/sh3/bsd-setjmp.S b/sysdeps/sh/sh3/bsd-setjmp.S
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+/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. SH version.
+ Copyright (C) 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 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. */
+
+/* This just does a tail-call to `__sigsetjmp (ARG, 1)'.
+ We cannot do it in C because it must be a tail-call, so frame-unwinding
+ in setjmp doesn't clobber the state restored by longjmp. */
+
+#include <sysdep.h>
+
+ENTRY (setjmp)
+#ifdef SHARED
+ mova 1f, r0
+ mov.l 1f, r1
+ bra 2f
+ add r1, r0
+ .align 2
+1:
+ .long _GLOBAL_OFFSET_TABLE_
+2:
+ mov.l 3f, r1
+ mov.l @(r0,r1), r1
+ jmp @r1
+ mov #1, r0
+ .align 2
+3:
+ .long C_SYMBOL_NAME(__sigsetjmp@GOT)
+#else
+ mov.l 1f, r1
+ jmp @r1
+ mov #1, r0
+ .align 2
+1:
+ .long C_SYMBOL_NAME(__sigsetjmp)
+#endif
+END (setjmp)