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/* $NetBSD: ptrace.h,v 1.22 2020/05/30 08:41:22 maxv Exp $ */
/*
* Copyright (c) 1993 Christopher G. Demetriou
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*/
#ifndef _AMD64_PTRACE_H_
#define _AMD64_PTRACE_H_
#ifdef __x86_64__
/*
* amd64-dependent ptrace definitions
*/
#define PT_STEP (PT_FIRSTMACH + 0)
#define PT_GETREGS (PT_FIRSTMACH + 1)
#define PT_SETREGS (PT_FIRSTMACH + 2)
#define PT_GETFPREGS (PT_FIRSTMACH + 3)
#define PT_SETFPREGS (PT_FIRSTMACH + 4)
#define PT_GETDBREGS (PT_FIRSTMACH + 5)
#define PT_SETDBREGS (PT_FIRSTMACH + 6)
#define PT_SETSTEP (PT_FIRSTMACH + 7)
#define PT_CLEARSTEP (PT_FIRSTMACH + 8)
#define PT_GETXSTATE (PT_FIRSTMACH + 9)
#define PT_SETXSTATE (PT_FIRSTMACH + 10)
#ifdef _KERNEL
/*
* Only used internally for COMPAT_NETBSD32
*/
#define PT_GETXMMREGS (PT_FIRSTMACH + 11)
#define PT_SETXMMREGS (PT_FIRSTMACH + 12)
#endif
/* We have machine-dependent process tracing needs. */
#define __HAVE_PTRACE_MACHDEP
#define PT_MACHDEP_STRINGS \
"PT_STEP", \
"PT_GETREGS", \
"PT_SETREGS", \
"PT_GETFPREGS", \
"PT_SETFPREGS", \
"PT_GETDBREGS", \
"PT_SETDBREGS", \
"PT_SETSTEP", \
"PT_CLEARSTEP", \
"PT_GETXSTATE", \
"PT_SETXSTATE", \
"PT_GETXMMREGS", \
"PT_SETXMMREGS"
#include <machine/reg.h>
#define PTRACE_REG_PC(r) (r)->regs[_REG_RIP]
#define PTRACE_REG_FP(r) (r)->regs[_REG_RBP]
#define PTRACE_REG_SET_PC(r, v) (r)->regs[_REG_RIP] = (v)
#define PTRACE_REG_SP(r) (r)->regs[_REG_RSP]
#define PTRACE_REG_INTRV(r) (r)->regs[_REG_RAX]
#define PTRACE_ILLEGAL_ASM __asm __volatile ("ud2" : : : "memory")
#define PTRACE_BREAKPOINT ((const uint8_t[]) { 0xcc })
#define PTRACE_BREAKPOINT_ASM __asm __volatile ("int3" : : : "memory")
#define PTRACE_BREAKPOINT_SIZE 1
#define PTRACE_BREAKPOINT_ADJ 1
#ifdef _KERNEL
/*
* These are used in sys_ptrace() to find good ptrace(2) requests.
*/
#define PTRACE_MACHDEP_REQUEST_CASES \
case PT_GETXSTATE: \
case PT_SETXSTATE: \
case PT_GETXMMREGS: \
case PT_SETXMMREGS:
int process_machdep_doxstate(struct lwp *, struct lwp *, struct uio *);
int process_machdep_validfpu(struct proc *);
/*
* The fpregs structure contains an fxsave area, which must have 16-byte
* alignment.
*/
#define PTRACE_REGS_ALIGN __aligned(16)
#include <sys/module_hook.h>
MODULE_HOOK(netbsd32_process_doxmmregs_hook, int,
(struct lwp *, struct lwp *, void *, bool));
#ifdef EXEC_ELF32
#include <machine/netbsd32_machdep.h>
#endif
#define PT64_GETXSTATE PT_GETXSTATE
#define COREDUMP_MACHDEP_LWP_NOTES(l, ns, name) \
{ \
struct xstate xstate; \
memset(&xstate, 0, sizeof(xstate)); \
if (!process_read_xstate(l, &xstate)) \
{ \
ELFNAMEEND(coredump_savenote)(ns, \
CONCAT(CONCAT(PT, ELFSIZE), _GETXSTATE), name, \
&xstate, sizeof(xstate)); \
} \
}
#endif /* _KERNEL */
#ifdef _KERNEL_OPT
#include "opt_compat_netbsd32.h"
#ifdef COMPAT_NETBSD32
#include <machine/netbsd32_machdep.h>
#define process_read_regs32 netbsd32_process_read_regs
#define process_read_fpregs32 netbsd32_process_read_fpregs
#define process_read_dbregs32 netbsd32_process_read_dbregs
#define process_write_regs32 netbsd32_process_write_regs
#define process_write_fpregs32 netbsd32_process_write_fpregs
#define process_write_dbregs32 netbsd32_process_write_dbregs
#define process_reg32 struct reg32
#define process_fpreg32 struct fpreg32
#define process_dbreg32 struct dbreg32
#define PTRACE_TRANSLATE_REQUEST32(x) netbsd32_ptrace_translate_request(x)
#endif /* COMPAT_NETBSD32 */
#endif /* _KERNEL_OPT */
#else /* !__x86_64__ */
#include <i386/ptrace.h>
#endif /* __x86_64__ */
#endif /* _AMD64_PTRACE_H_ */
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