initial import

1 files changed, 74 insertions, 0 deletions

diff --git a/sysdeps/alpha/setjmp_aux.c b/sysdeps/alpha/setjmp_aux.c
new file mode 100644
index 0000000000..f92517be92
--- /dev/null
+++ b/sysdeps/alpha/setjmp_aux.c
@@ -0,0 +1,74 @@
+/* Copyright (C) 1992, 1994 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/* Global register decls must come before any function defn.  */
+
+register long int
+  r9 asm ("$9"), r10 asm ("$10"), r11 asm ("$11"), r12 asm ("$12"),
+  r13 asm ("$13"), r14 asm ("$14");
+
+register long int *fp asm ("$15"), *sp asm ("$30"), *retpc asm ("$26");
+
+#if 1				/* XXX */
+register double
+  f2 asm ("$f2"), f3 asm ("$f3"), f4 asm ("$f4"), f5 asm ("$f5"),
+  f6 asm ("$f6"), f7 asm ("$f7"), f8 asm ("$f8"), f9 asm ("$f9");
+#endif
+
+
+#include <setjmp.h>
+
+
+/* Save the current program position in ENV and return 0.  */
+int
+__sigsetjmp_aux (sigjmp_buf env, int savemask, long int *sp, long int *fp)
+{
+  /* Save the integer registers.  */
+  env[0].__jmpbuf[0].__9 = r9;
+  env[0].__jmpbuf[0].__10 = r10;
+  env[0].__jmpbuf[0].__11 = r11;
+  env[0].__jmpbuf[0].__12 = r12;
+  env[0].__jmpbuf[0].__13 = r13;
+  env[0].__jmpbuf[0].__14 = r14;
+
+#if 1				/* XXX */
+  /* Save the floating point registers.  */
+  env[0].__jmpbuf[0].__f2 = f2;
+  env[0].__jmpbuf[0].__f3 = f3;
+  env[0].__jmpbuf[0].__f4 = f4;
+  env[0].__jmpbuf[0].__f5 = f5;
+  env[0].__jmpbuf[0].__f6 = f6;
+  env[0].__jmpbuf[0].__f7 = f7;
+  env[0].__jmpbuf[0].__f8 = f8;
+  env[0].__jmpbuf[0].__f9 = f9;
+#endif
+
+  /* Save the return address of our caller, where longjmp will jump to.  */
+  env[0].__jmpbuf[0].__pc = retpc;
+
+  /* Save the FP and SP of our caller.  The __sigsetjmp entry point
+     simply puts these in the argument registers for us to fetch.  */
+  env[0].__jmpbuf[0].__fp = fp;
+  env[0].__jmpbuf[0].__sp = sp;
+
+  /* Save the signal mask if requested.  */
+  __sigjmp_save (env, savemask);
+
+  /* Return to the original caller of __sigsetjmp.  */
+  return 0;
+}