ptrace_64.h

 1/*
 2 * Copyright 2003 PathScale, Inc.
 3 * Copyright (C) 2003 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
 4 *
 5 * Licensed under the GPL
 6 */
 7
 8#ifndef __SYSDEP_X86_64_PTRACE_H
 9#define __SYSDEP_X86_64_PTRACE_H
10
11#define REGS_R8(r) ((r)[HOST_R8])
12#define REGS_R9(r) ((r)[HOST_R9])
13#define REGS_R10(r) ((r)[HOST_R10])
14#define REGS_R11(r) ((r)[HOST_R11])
15#define REGS_R12(r) ((r)[HOST_R12])
16#define REGS_R13(r) ((r)[HOST_R13])
17#define REGS_R14(r) ((r)[HOST_R14])
18#define REGS_R15(r) ((r)[HOST_R15])
19
20#define HOST_FS_BASE 21
21#define HOST_GS_BASE 22
22#define HOST_DS 23
23#define HOST_ES 24
24#define HOST_FS 25
25#define HOST_GS 26
26
27/* Also defined in asm/ptrace-x86_64.h, but not in libc headers.  So, these
28 * are already defined for kernel code, but not for userspace code.
29 */
30#ifndef FS_BASE
31/* These aren't defined in ptrace.h, but exist in struct user_regs_struct,
32 * which is what x86_64 ptrace actually uses.
33 */
34#define FS_BASE (HOST_FS_BASE * sizeof(long))
35#define GS_BASE (HOST_GS_BASE * sizeof(long))
36#define DS (HOST_DS * sizeof(long))
37#define ES (HOST_ES * sizeof(long))
38#define FS (HOST_FS * sizeof(long))
39#define GS (HOST_GS * sizeof(long))
40#endif
41
42#define UPT_R8(r) REGS_R8((r)->gp)
43#define UPT_R9(r) REGS_R9((r)->gp)
44#define UPT_R10(r) REGS_R10((r)->gp)
45#define UPT_R11(r) REGS_R11((r)->gp)
46#define UPT_R12(r) REGS_R12((r)->gp)
47#define UPT_R13(r) REGS_R13((r)->gp)
48#define UPT_R14(r) REGS_R14((r)->gp)
49#define UPT_R15(r) REGS_R15((r)->gp)
50
51#define UPT_SYSCALL_ARG1(r) UPT_DI(r)
52#define UPT_SYSCALL_ARG2(r) UPT_SI(r)
53#define UPT_SYSCALL_ARG3(r) UPT_DX(r)
54#define UPT_SYSCALL_ARG4(r) UPT_R10(r)
55#define UPT_SYSCALL_ARG5(r) UPT_R8(r)
56#define UPT_SYSCALL_ARG6(r) UPT_R9(r)
57
58#endif