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glibc  2.9
longjmp-ctx.c
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00001 /* Perform a `longjmp' on a `struct sigcontext'.  MIPS version.
00002    Copyright (C) 1996, 1997 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <setjmp.h>
00021 #include <hurd/signal.h>
00022 #include <string.h>
00023 
00024 void
00025 _hurd_longjmp_sigcontext (struct sigcontext *scp, jmp_buf env, int retval)
00026 {
00027   scp->sc_gpr[16] = env[0].__regs[0];
00028   scp->sc_gpr[17] = env[0].__regs[1];
00029   scp->sc_gpr[18] = env[0].__regs[2];
00030   scp->sc_gpr[19] = env[0].__regs[3];
00031   scp->sc_gpr[20] = env[0].__regs[4];
00032   scp->sc_gpr[21] = env[0].__regs[5];
00033   scp->sc_gpr[22] = env[0].__regs[6];
00034   scp->sc_gpr[23] = env[0].__regs[7];
00035 
00036   scp->sc_gpr[28] = (int) env[0].__gp;
00037   scp->sc_fp = (int) env[0].__fp;
00038   scp->sc_sp = (int) env[0].__sp;
00039   scp->sc_pc = (int) env[0].__pc;
00040   scp->sc_gpr[2] = retval ?: 1;
00041 }