1817023775
obtain the thread %fs and %gs bases. Add x86 PT_SETFSBASE and
PT_SETGSBASE requests to set the bases from debuggers. The set
requests, similarly to the sysarch({I386,AMD64}_SET_FSBASE),
override the corresponding segment registers.
The main purpose of the operations is to retrieve and modify the tcb
address for debuggee.
Sponsored by: The FreeBSD Foundation
MFC after: 2 weeks
66 lines
2.5 KiB
C
66 lines
2.5 KiB
C
/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. 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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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* @(#)ptrace.h 8.1 (Berkeley) 6/11/93
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* $FreeBSD$
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*/
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#ifndef _MACHINE_PTRACE_H_
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#define _MACHINE_PTRACE_H_
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#define __HAVE_PTRACE_MACHDEP
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/*
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* On amd64 (PT_FIRSTMACH + 0) and (PT_FIRSTMACH + 1) are old values for
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* PT_GETXSTATE_OLD and PT_SETXSTATE_OLD. They should not be (re)used.
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*/
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#ifdef __i386__
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#define PT_GETXMMREGS (PT_FIRSTMACH + 0)
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#define PT_SETXMMREGS (PT_FIRSTMACH + 1)
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#endif
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#ifdef _KERNEL
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#define PT_GETXSTATE_OLD (PT_FIRSTMACH + 2)
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#define PT_SETXSTATE_OLD (PT_FIRSTMACH + 3)
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#endif
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#define PT_GETXSTATE_INFO (PT_FIRSTMACH + 4)
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#define PT_GETXSTATE (PT_FIRSTMACH + 5)
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#define PT_SETXSTATE (PT_FIRSTMACH + 6)
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#define PT_GETFSBASE (PT_FIRSTMACH + 7)
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#define PT_SETFSBASE (PT_FIRSTMACH + 8)
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#define PT_GETGSBASE (PT_FIRSTMACH + 9)
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#define PT_SETGSBASE (PT_FIRSTMACH + 10)
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/* Argument structure for PT_GETXSTATE_INFO. */
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struct ptrace_xstate_info {
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uint64_t xsave_mask;
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uint32_t xsave_len;
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};
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#endif
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