glibc/sysdeps/mach/hurd/alpha/longjmp-ctx.c
1994-11-08 23:34:47 +00:00

39 lines
1.4 KiB
C

/* Perform a `longjmp' on a `struct sigcontext'. Alpha version.
Copyright (C) 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 <setjmp.h>
#include <hurd/signal.h>
#include <string.h>
void
_hurd_longjmp_sigcontext (struct sigcontext *scp, jmp_buf env, int retval)
{
memset (scp, 0, sizeof (*scp));
scp->sc_regs[9] = env[0].__9;
scp->sc_regs[11] = env[0].__11;
scp->sc_regs[12] = env[0].__12;
scp->sc_regs[13] = env[0].__13;
scp->sc_regs[14] = env[0].__14;
scp->sc_regs[15] = (long int) env[0].__fp;
scp->sc_regs[30] = (long int) env[0].__sp;
scp->sc_pc = (long int) env[0].__pc;
memcpy (&scp->sc_fpregs[2], &env[0].__f2, sizeof (double));
}