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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/mach/hurd/mips/longjmp-ts.c
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initial import
Diffstat (limited to 'sysdeps/mach/hurd/mips/longjmp-ts.c')
-rw-r--r--sysdeps/mach/hurd/mips/longjmp-ts.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/mips/longjmp-ts.c b/sysdeps/mach/hurd/mips/longjmp-ts.c
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+++ b/sysdeps/mach/hurd/mips/longjmp-ts.c
@@ -0,0 +1,45 @@
+/* Perform a `longjmp' on a Mach thread_state.  MIPS version.
+Copyright (C) 1991, 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.  */
+
+#include <hurd/signal.h>
+#include <setjmp.h>
+#include <mach/thread_status.h>
+
+
+/* Set up STATE to do the equivalent of `longjmp (ENV, VAL);'.  */
+
+void
+_hurd_longjmp_thread_state (void *state, jmp_buf env, int val)
+{
+  struct mips_thread_state *ts = state;
+
+  ts->r16 = env[0].__jmpbuf[0].__regs[0];
+  ts->r17 = env[0].__jmpbuf[0].__regs[1];
+  ts->r18 = env[0].__jmpbuf[0].__regs[2];
+  ts->r19 = env[0].__jmpbuf[0].__regs[3];
+  ts->r20 = env[0].__jmpbuf[0].__regs[4];
+  ts->r21 = env[0].__jmpbuf[0].__regs[5];
+  ts->r22 = env[0].__jmpbuf[0].__regs[6];
+  ts->r23 = env[0].__jmpbuf[0].__regs[7];
+  ts->r28 = (int) env[0].__jmpbuf[0].__gp;
+  ts->r29 = (int) env[0].__jmpbuf[0].__sp;
+  ts->r30 = (int) env[0].__jmpbuf[0].__fp;
+  ts->pc = (int) env[0].__jmpbuf[0].__pc;
+  ts->r2 = val ?: 1;
+}