2 * Copyright 2003 PathScale, Inc.
4 * Licensed under the GPL
7 #ifndef __SYSDEP_X86_64_PTRACE_USER_H__
8 #define __SYSDEP_X86_64_PTRACE_USER_H__
10 #define __FRAME_OFFSETS
11 #include <sys/ptrace.h>
12 #include <linux/ptrace.h>
13 #include <asm/ptrace.h>
14 #undef __FRAME_OFFSETS
15 #include "user_constants.h"
17 #define PT_INDEX(off) ((off) / sizeof(unsigned long))
19 #define PT_SYSCALL_NR(regs) ((regs)[PT_INDEX(ORIG_RAX)])
20 #define PT_SYSCALL_NR_OFFSET (ORIG_RAX)
22 #define PT_SYSCALL_ARG1(regs) (((unsigned long *) (regs))[PT_INDEX(RDI)])
23 #define PT_SYSCALL_ARG1_OFFSET (RDI)
25 #define PT_SYSCALL_ARG2(regs) (((unsigned long *) (regs))[PT_INDEX(RSI)])
26 #define PT_SYSCALL_ARG2_OFFSET (RSI)
28 #define PT_SYSCALL_ARG3(regs) (((unsigned long *) (regs))[PT_INDEX(RDX)])
29 #define PT_SYSCALL_ARG3_OFFSET (RDX)
31 #define PT_SYSCALL_ARG4(regs) (((unsigned long *) (regs))[PT_INDEX(RCX)])
32 #define PT_SYSCALL_ARG4_OFFSET (RCX)
34 #define PT_SYSCALL_ARG5(regs) (((unsigned long *) (regs))[PT_INDEX(R8)])
35 #define PT_SYSCALL_ARG5_OFFSET (R8)
37 #define PT_SYSCALL_ARG6(regs) (((unsigned long *) (regs))[PT_INDEX(R9)])
38 #define PT_SYSCALL_ARG6_OFFSET (R9)
40 #define PT_SYSCALL_RET_OFFSET (RAX)
42 #define PT_IP_OFFSET (RIP)
43 #define PT_IP(regs) ((regs)[PT_INDEX(RIP)])
45 #define PT_SP_OFFSET (RSP)
46 #define PT_SP(regs) ((regs)[PT_INDEX(RSP)])
48 #define PT_ORIG_RAX_OFFSET (ORIG_RAX)
49 #define PT_ORIG_RAX(regs) ((regs)[PT_INDEX(ORIG_RAX)])
52 * x86_64 FC3 doesn't define this in /usr/include/linux/ptrace.h even though
53 * it's defined in the kernel's include/linux/ptrace.h. Additionally, use the
54 * 2.4 name and value for 2.4 host compatibility.
56 #ifndef PTRACE_OLDSETOPTIONS
57 #define PTRACE_OLDSETOPTIONS 21
61 * These are before the system call, so the system call number is RAX
62 * rather than ORIG_RAX, and arg4 is R10 rather than RCX
64 #define REGS_SYSCALL_NR PT_INDEX(RAX)
65 #define REGS_SYSCALL_ARG1 PT_INDEX(RDI)
66 #define REGS_SYSCALL_ARG2 PT_INDEX(RSI)
67 #define REGS_SYSCALL_ARG3 PT_INDEX(RDX)
68 #define REGS_SYSCALL_ARG4 PT_INDEX(R10)
69 #define REGS_SYSCALL_ARG5 PT_INDEX(R8)
70 #define REGS_SYSCALL_ARG6 PT_INDEX(R9)
72 #define REGS_IP_INDEX PT_INDEX(RIP)
73 #define REGS_SP_INDEX PT_INDEX(RSP)
75 #define FP_SIZE (HOST_FP_SIZE)