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 MAX_FP_NR HOST_FP_SIZE
12
13 #define REGS_R8(r) ((r)[HOST_R8])
14 #define REGS_R9(r) ((r)[HOST_R9])
15 #define REGS_R10(r) ((r)[HOST_R10])
16 #define REGS_R11(r) ((r)[HOST_R11])
17 #define REGS_R12(r) ((r)[HOST_R12])
18 #define REGS_R13(r) ((r)[HOST_R13])
19 #define REGS_R14(r) ((r)[HOST_R14])
20 #define REGS_R15(r) ((r)[HOST_R15])
21
22 #define HOST_FS_BASE 21
23 #define HOST_GS_BASE 22
24 #define HOST_DS 23
25 #define HOST_ES 24
26 #define HOST_FS 25
27 #define HOST_GS 26
28
29 /* Also defined in asm/ptrace-x86_64.h, but not in libc headers. So, these
30 * are already defined for kernel code, but not for userspace code.
31 */
32 #ifndef FS_BASE
33 /* These aren't defined in ptrace.h, but exist in struct user_regs_struct,
34 * which is what x86_64 ptrace actually uses.
35 */
36 #define FS_BASE (HOST_FS_BASE * sizeof(long))
37 #define GS_BASE (HOST_GS_BASE * sizeof(long))
38 #define DS (HOST_DS * sizeof(long))
39 #define ES (HOST_ES * sizeof(long))
40 #define FS (HOST_FS * sizeof(long))
41 #define GS (HOST_GS * sizeof(long))
42 #endif
43
44 #define UPT_R8(r) REGS_R8((r)->gp)
45 #define UPT_R9(r) REGS_R9((r)->gp)
46 #define UPT_R10(r) REGS_R10((r)->gp)
47 #define UPT_R11(r) REGS_R11((r)->gp)
48 #define UPT_R12(r) REGS_R12((r)->gp)
49 #define UPT_R13(r) REGS_R13((r)->gp)
50 #define UPT_R14(r) REGS_R14((r)->gp)
51 #define UPT_R15(r) REGS_R15((r)->gp)
52
53 #define UPT_SYSCALL_ARG1(r) UPT_DI(r)
54 #define UPT_SYSCALL_ARG2(r) UPT_SI(r)
55 #define UPT_SYSCALL_ARG3(r) UPT_DX(r)
56 #define UPT_SYSCALL_ARG4(r) UPT_R10(r)
57 #define UPT_SYSCALL_ARG5(r) UPT_R8(r)
58 #define UPT_SYSCALL_ARG6(r) UPT_R9(r)
59
60 extern void arch_init_registers(int pid);
61
62 #endif
63
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