longjmp imlementation for Alpha

1 files changed, 59 insertions, 0 deletions

diff --git a/sysdeps/alpha/__longjmp.S b/sysdeps/alpha/__longjmp.S
new file mode 100644
index 0000000000..66ae837e26
--- /dev/null
+++ b/sysdeps/alpha/__longjmp.S
@@ -0,0 +1,59 @@
+/* Copyright (C) 1992, 1994, 1997 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.  */
+
+#define __ASSEMBLY__
+
+#include <sysdep.h>
+#include <jmp_buf.h>
+
+
+ENTRY(__longjmp)
+#ifdef PROF
+	ldgp    gp, 0(pv)
+	.set noat
+	lda     AT, _mcount
+	jsr     AT, (AT), _mcount
+	.set at
+	.prologue 1
+#else
+	.prologue 0
+#endif
+
+	mov     a1, v0
+	ldq     s0, JB_S0*8(a0)
+	ldq     s1, JB_S1*8(a0)
+	ldq     s2, JB_S2*8(a0)
+	ldq     s3, JB_S3*8(a0)
+	ldq     s4, JB_S4*8(a0)
+	ldq     s5, JB_S5*8(a0)
+	ldq     ra, JB_PC*8(a0)
+	ldq     fp, JB_FP*8(a0)
+	ldq     t0, JB_SP*8(a0)
+	ldt     $f2, JB_F2*8(a0)
+	ldt     $f3, JB_F3*8(a0)
+	ldt     $f4, JB_F4*8(a0)
+	ldt     $f5, JB_F5*8(a0)
+	ldt     $f6, JB_F6*8(a0)
+	ldt     $f7, JB_F7*8(a0)
+	ldt     $f8, JB_F8*8(a0)
+	ldt     $f9, JB_F9*8(a0)
+	cmoveq  v0, 1, v0
+	mov     t0, sp
+	ret
+
+END(__longjmp)