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/*
* Copyright 2003 PathScale, Inc.
*
* Licensed under the GPL
*/
#ifndef __SYSDEP_X86_64_PTRACE_USER_H__
#define __SYSDEP_X86_64_PTRACE_USER_H__
#define __FRAME_OFFSETS
#include <sys/ptrace.h>
#include <linux/ptrace.h>
#include <asm/ptrace.h>
#undef __FRAME_OFFSETS
#include "user_constants.h"
#define PT_INDEX(off) ((off) / sizeof(unsigned long))
#define PT_SYSCALL_NR(regs) ((regs)[PT_INDEX(ORIG_RAX)])
#define PT_SYSCALL_NR_OFFSET (ORIG_RAX)
#define PT_SYSCALL_ARG1(regs) (((unsigned long *) (regs))[PT_INDEX(RDI)])
#define PT_SYSCALL_ARG1_OFFSET (RDI)
#define PT_SYSCALL_ARG2(regs) (((unsigned long *) (regs))[PT_INDEX(RSI)])
#define PT_SYSCALL_ARG2_OFFSET (RSI)
#define PT_SYSCALL_ARG3(regs) (((unsigned long *) (regs))[PT_INDEX(RDX)])
#define PT_SYSCALL_ARG3_OFFSET (RDX)
#define PT_SYSCALL_ARG4(regs) (((unsigned long *) (regs))[PT_INDEX(RCX)])
#define PT_SYSCALL_ARG4_OFFSET (RCX)
#define PT_SYSCALL_ARG5(regs) (((unsigned long *) (regs))[PT_INDEX(R8)])
#define PT_SYSCALL_ARG5_OFFSET (R8)
#define PT_SYSCALL_ARG6(regs) (((unsigned long *) (regs))[PT_INDEX(R9)])
#define PT_SYSCALL_ARG6_OFFSET (R9)
#define PT_SYSCALL_RET_OFFSET (RAX)
#define PT_IP_OFFSET (RIP)
#define PT_IP(regs) ((regs)[PT_INDEX(RIP)])
#define PT_SP_OFFSET (RSP)
#define PT_SP(regs) ((regs)[PT_INDEX(RSP)])
#define PT_ORIG_RAX_OFFSET (ORIG_RAX)
#define PT_ORIG_RAX(regs) ((regs)[PT_INDEX(ORIG_RAX)])
/*
* x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though
* it's defined in the kernel's include/linux/ptrace.h. Additionally, use the
* 2.4 name and value for 2.4 host compatibility.
*/
#ifndef PTRACE_OLDSETOPTIONS
#define PTRACE_OLDSETOPTIONS 21
#endif
/*
* These are before the system call, so the system call number is RAX
* rather than ORIG_RAX, and arg4 is R10 rather than RCX
*/
#define REGS_SYSCALL_NR PT_INDEX(RAX)
#define REGS_SYSCALL_ARG1 PT_INDEX(RDI)
#define REGS_SYSCALL_ARG2 PT_INDEX(RSI)
#define REGS_SYSCALL_ARG3 PT_INDEX(RDX)
#define REGS_SYSCALL_ARG4 PT_INDEX(R10)
#define REGS_SYSCALL_ARG5 PT_INDEX(R8)
#define REGS_SYSCALL_ARG6 PT_INDEX(R9)
#define REGS_IP_INDEX PT_INDEX(RIP)
#define REGS_SP_INDEX PT_INDEX(RSP)
#define FP_SIZE (HOST_FP_SIZE)
#endif
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