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04277e02d7
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40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/* Perform a `longjmp' on a Mach thread_state. i386 version.
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Copyright (C) 1991-2019 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, see
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<http://www.gnu.org/licenses/>. */
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#include <hurd/signal.h>
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#include <setjmp.h>
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#include <jmpbuf-offsets.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 i386_thread_state *ts = state;
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ts->ebx = env[0].__jmpbuf[JB_BX];
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ts->esi = env[0].__jmpbuf[JB_SI];
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ts->edi = env[0].__jmpbuf[JB_DI];
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ts->ebp = env[0].__jmpbuf[JB_BP];
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ts->uesp = env[0].__jmpbuf[JB_SP];
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ts->eip = env[0].__jmpbuf[JB_PC];
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ts->eax = val ?: 1;
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}
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