1 #ifndef _X86_64_PTRACE_H
2 #define _X86_64_PTRACE_H
3 
4 #if defined(__ASSEMBLY__) || defined(__FRAME_OFFSETS)
5 #define R15 0
6 #define R14 8
7 #define R13 16
8 #define R12 24
9 #define RBP 32
10 #define RBX 40
11 /* arguments: interrupts/non tracing syscalls only save upto here*/
12 #define R11 48
13 #define R10 56
14 #define R9 64
15 #define R8 72
16 #define RAX 80
17 #define RCX 88
18 #define RDX 96
19 #define RSI 104
20 #define RDI 112
21 #define ORIG_RAX 120       /* = ERROR */
22 /* end of arguments */
23 /* cpu exception frame or undefined in case of fast syscall. */
24 #define RIP 128
25 #define CS 136
26 #define EFLAGS 144
27 #define RSP 152
28 #define SS 160
29 #define ARGOFFSET R11
30 #endif /* __ASSEMBLY__ */
31 
32 /* top of stack page */
33 #define FRAME_SIZE 168
34 
35 #define PTRACE_SETOPTIONS         21
36 
37 /* options set using PTRACE_SETOPTIONS */
38 #define PTRACE_O_TRACESYSGOOD     0x00000001
39 
40 #ifndef __ASSEMBLY__
41 
42 struct pt_regs {
43 	unsigned long r15;
44 	unsigned long r14;
45 	unsigned long r13;
46 	unsigned long r12;
47 	unsigned long rbp;
48 	unsigned long rbx;
49 /* arguments: non interrupts/non tracing syscalls only save upto here*/
50  	unsigned long r11;
51 	unsigned long r10;
52 	unsigned long r9;
53 	unsigned long r8;
54 	unsigned long rax;
55 	unsigned long rcx;
56 	unsigned long rdx;
57 	unsigned long rsi;
58 	unsigned long rdi;
59 	unsigned long orig_rax;
60 /* end of arguments */
61 /* cpu exception frame or undefined */
62 	unsigned long rip;
63 	unsigned long cs;
64 	unsigned long eflags;
65 	unsigned long rsp;
66 	unsigned long ss;
67 /* top of stack page */
68 };
69 
70 #endif
71 
72 /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
73 #define PTRACE_GETREGS            12
74 #define PTRACE_SETREGS            13
75 #define PTRACE_GETFPREGS          14
76 #define PTRACE_SETFPREGS          15
77 #define PTRACE_GETFPXREGS         18
78 #define PTRACE_SETFPXREGS         19
79 
80 #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
81 #define user_mode(regs) (!!((regs)->cs & 3))
82 #define instruction_pointer(regs) ((regs)->rip)
83 extern void show_regs(struct pt_regs *);
84 
85 enum {
86         EF_CF   = 0x00000001,
87         EF_PF   = 0x00000004,
88         EF_AF   = 0x00000010,
89         EF_ZF   = 0x00000040,
90         EF_SF   = 0x00000080,
91         EF_TF   = 0x00000100,
92         EF_IE   = 0x00000200,
93         EF_DF   = 0x00000400,
94         EF_OF   = 0x00000800,
95         EF_IOPL = 0x00003000,
96         EF_IOPL_RING0 = 0x00000000,
97         EF_IOPL_RING1 = 0x00001000,
98         EF_IOPL_RING2 = 0x00002000,
99         EF_NT   = 0x00004000,   /* nested task */
100         EF_RF   = 0x00010000,   /* resume */
101         EF_VM   = 0x00020000,   /* virtual mode */
102         EF_AC   = 0x00040000,   /* alignment */
103         EF_VIF  = 0x00080000,   /* virtual interrupt */
104         EF_VIP  = 0x00100000,   /* virtual interrupt pending */
105         EF_ID   = 0x00200000,   /* id */
106 };
107 
108 #endif
109 
110 #endif
111