64d85faa1c
The split-up code is derived from the ia64 code originally. Note that I have only compile-tested this, not actually run-tested it. The ia64 side of the force is missing some significant chunks of signal delivery code.
43 lines
1.8 KiB
C
43 lines
1.8 KiB
C
/*-
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* Copyright (c) 2002 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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char ia32_sigcode[] = {
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0xff, 0x54, 0x24, 0x10, /* call *SIGF_HANDLER(%esp) */
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0x8d, 0x44, 0x24, 0x14, /* lea SIGF_UC(%esp),%eax */
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0x50, /* pushl %eax */
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0xf7, 0x40, 0x54, 0x00, 0x00, 0x02, 0x02, /* testl $PSL_VM,UC_EFLAGS(%eax) */
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0x75, 0x03, /* jne 9f */
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0x8e, 0x68, 0x14, /* movl UC_GS(%eax),%gs */
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0xb8, 0x57, 0x01, 0x00, 0x00, /* 9: movl $SYS_sigreturn,%eax */
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0x50, /* pushl %eax */
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0xcd, 0x80, /* int $0x80 */
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0xeb, 0xfe, /* 0: jmp 0b */
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0
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};
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int sz_ia32_sigcode = sizeof(ia32_sigcode);
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