diff options
Diffstat (limited to 'sys/ia64/ia32/ia32_sigtramp.c')
| -rw-r--r-- | sys/ia64/ia32/ia32_sigtramp.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sys/ia64/ia32/ia32_sigtramp.c b/sys/ia64/ia32/ia32_sigtramp.c new file mode 100644 index 0000000..7934df1 --- /dev/null +++ b/sys/ia64/ia32/ia32_sigtramp.c @@ -0,0 +1,42 @@ +/*- + * Copyright (c) 2002 Doug Rabson + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +char ia32_sigcode[] = { + 0xff, 0x54, 0x24, 0x10, /* call *SIGF_HANDLER(%esp) */ + 0x8d, 0x44, 0x24, 0x14, /* lea SIGF_UC(%esp),%eax */ + 0x50, /* pushl %eax */ + 0xf7, 0x40, 0x54, 0x00, 0x00, 0x02, 0x02, /* testl $PSL_VM,UC_EFLAGS(%eax) */ + 0x75, 0x03, /* jne 9f */ + 0x8e, 0x68, 0x14, /* movl UC_GS(%eax),%gs */ + 0xb8, 0x57, 0x01, 0x00, 0x00, /* 9: movl $SYS_sigreturn,%eax */ + 0x50, /* pushl %eax */ + 0xcd, 0x80, /* int $0x80 */ + 0xeb, 0xfe, /* 0: jmp 0b */ + 0 +}; +int sz_ia32_sigcode = sizeof(ia32_sigcode); |
