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/* Perform a `longjmp' on a Mach thread_state. PowerPC version.
Copyright (C) 1991,94,95,97,2001, 2006 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <hurd/signal.h>
#include <setjmp.h>
#include <jmpbuf-offsets.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 ppc_thread_state *ts = state;
/* XXX should we set up the FPRs as well? And how? */
ts->r1 = env[0].__jmpbuf[JB_GPR1];
ts->r2 = env[0].__jmpbuf[JB_GPR2];
ts->r14 = env[0].__jmpbuf[JB_GPRS+0];
ts->r15 = env[0].__jmpbuf[JB_GPRS+1];
ts->r16 = env[0].__jmpbuf[JB_GPRS+2];
ts->r17 = env[0].__jmpbuf[JB_GPRS+3];
ts->r18 = env[0].__jmpbuf[JB_GPRS+4];
ts->r19 = env[0].__jmpbuf[JB_GPRS+5];
ts->r20 = env[0].__jmpbuf[JB_GPRS+6];
ts->r21 = env[0].__jmpbuf[JB_GPRS+7];
ts->r22 = env[0].__jmpbuf[JB_GPRS+8];
ts->r23 = env[0].__jmpbuf[JB_GPRS+9];
ts->r24 = env[0].__jmpbuf[JB_GPRS+10];
ts->r25 = env[0].__jmpbuf[JB_GPRS+11];
ts->r26 = env[0].__jmpbuf[JB_GPRS+12];
ts->r27 = env[0].__jmpbuf[JB_GPRS+13];
ts->r28 = env[0].__jmpbuf[JB_GPRS+14];
ts->r29 = env[0].__jmpbuf[JB_GPRS+15];
ts->r30 = env[0].__jmpbuf[JB_GPRS+16];
ts->r31 = env[0].__jmpbuf[JB_GPRS+17];
ts->cr = env[0].__jmpbuf[JB_CR];
ts->r3 = val ?: 1;
ts->srr0 = ts->lr = env[0].__jmpbuf[JB_LR];
}
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