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longjmp support for Hurd/MIPS.

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This commit is contained in:
Ulrich Drepper 1997-06-21 01:42:52 +00:00
parent adc3f785dc
commit 10fa6c02ad
1 changed files with 41 additions and 0 deletions
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41
sysdeps/mach/hurd/mips/longjmp-ctx.c Normal file
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/* 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;
}