From: Ulrich Drepper <drepper@redhat.com>
Date: Sat, 21 Jun 1997 01:42:52 +0000 (+0000)
Subject: longjmp support for Hurd/MIPS.
X-Git-Tag: glibc-2.16-ports-before-merge~3562
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=10fa6c02adaa66f3ff21a9a70a046fda7ad8af36;p=thirdparty%2Fglibc.git

longjmp support for Hurd/MIPS.
---

diff --git a/sysdeps/mach/hurd/mips/longjmp-ctx.c b/sysdeps/mach/hurd/mips/longjmp-ctx.c
new file mode 100644
index 00000000000..df04900e78f
--- /dev/null
+++ b/sysdeps/mach/hurd/mips/longjmp-ctx.c
@@ -0,0 +1,41 @@
+/* Perform a `longjmp' on a `struct sigcontext'.  MIPS version.
+   Copyright (C) 1996, 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.  */
+
+#include <setjmp.h>
+#include <hurd/signal.h>
+#include <string.h>
+
+void
+_hurd_longjmp_sigcontext (struct sigcontext *scp, jmp_buf env, int retval)
+{
+  scp->sc_gpr[16] = env[0].__regs[0];
+  scp->sc_gpr[17] = env[0].__regs[1];
+  scp->sc_gpr[18] = env[0].__regs[2];
+  scp->sc_gpr[19] = env[0].__regs[3];
+  scp->sc_gpr[20] = env[0].__regs[4];
+  scp->sc_gpr[21] = env[0].__regs[5];
+  scp->sc_gpr[22] = env[0].__regs[6];
+  scp->sc_gpr[23] = env[0].__regs[7];
+
+  scp->sc_gpr[28] = (int) env[0].__gp;
+  scp->sc_fp = (int) env[0].__fp;
+  scp->sc_sp = (int) env[0].__sp;
+  scp->sc_pc = (int) env[0].__pc;
+  scp->sc_gpr[2] = retval ?: 1;
+}