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57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
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/* Perform a `longjmp' on a Mach thread_state. PowerPC version.
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Copyright (C) 1991,94,95,97,2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <hurd/signal.h>
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#include <setjmp.h>
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#include <mach/thread_status.h>
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/* Set up STATE to do the equivalent of `longjmp (ENV, VAL);'. */
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void
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_hurd_longjmp_thread_state (void *state, jmp_buf env, int val)
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{
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struct ppc_thread_state *ts = state;
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/* XXX should we set up the FPRs as well? And how? */
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ts->r1 = env[0].__jmpbuf[JB_GPR1];
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ts->r2 = env[0].__jmpbuf[JB_GPR2];
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ts->r14 = env[0].__jmpbuf[JB_GPRS+0];
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ts->r15 = env[0].__jmpbuf[JB_GPRS+1];
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ts->r16 = env[0].__jmpbuf[JB_GPRS+2];
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ts->r17 = env[0].__jmpbuf[JB_GPRS+3];
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ts->r18 = env[0].__jmpbuf[JB_GPRS+4];
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ts->r19 = env[0].__jmpbuf[JB_GPRS+5];
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ts->r20 = env[0].__jmpbuf[JB_GPRS+6];
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ts->r21 = env[0].__jmpbuf[JB_GPRS+7];
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ts->r22 = env[0].__jmpbuf[JB_GPRS+8];
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ts->r23 = env[0].__jmpbuf[JB_GPRS+9];
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ts->r24 = env[0].__jmpbuf[JB_GPRS+10];
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ts->r25 = env[0].__jmpbuf[JB_GPRS+11];
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ts->r26 = env[0].__jmpbuf[JB_GPRS+12];
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ts->r27 = env[0].__jmpbuf[JB_GPRS+13];
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ts->r28 = env[0].__jmpbuf[JB_GPRS+14];
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ts->r29 = env[0].__jmpbuf[JB_GPRS+15];
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ts->r30 = env[0].__jmpbuf[JB_GPRS+16];
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ts->r31 = env[0].__jmpbuf[JB_GPRS+17];
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ts->cr = env[0].__jmpbuf[JB_CR];
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ts->r3 = val ?: 1;
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ts->srr0 = ts->lr = env[0].__jmpbuf[JB_LR];
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}
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