1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | #ifndef _ASM_X86_PTRACE_ABI_H |
3 | #define _ASM_X86_PTRACE_ABI_H |
4 | |
5 | #ifdef __i386__ |
6 | |
7 | #define EBX 0 |
8 | #define ECX 1 |
9 | #define EDX 2 |
10 | #define ESI 3 |
11 | #define EDI 4 |
12 | #define EBP 5 |
13 | #define EAX 6 |
14 | #define DS 7 |
15 | #define ES 8 |
16 | #define FS 9 |
17 | #define GS 10 |
18 | #define ORIG_EAX 11 |
19 | #define EIP 12 |
20 | #define CS 13 |
21 | #define EFL 14 |
22 | #define UESP 15 |
23 | #define SS 16 |
24 | #define FRAME_SIZE 17 |
25 | |
26 | #else /* __i386__ */ |
27 | |
28 | #if defined(__ASSEMBLY__) || defined(__FRAME_OFFSETS) |
29 | /* |
30 | * C ABI says these regs are callee-preserved. They aren't saved on kernel entry |
31 | * unless syscall needs a complete, fully filled "struct pt_regs". |
32 | */ |
33 | #define R15 0 |
34 | #define R14 8 |
35 | #define R13 16 |
36 | #define R12 24 |
37 | #define RBP 32 |
38 | #define RBX 40 |
39 | /* These regs are callee-clobbered. Always saved on kernel entry. */ |
40 | #define R11 48 |
41 | #define R10 56 |
42 | #define R9 64 |
43 | #define R8 72 |
44 | #define RAX 80 |
45 | #define RCX 88 |
46 | #define RDX 96 |
47 | #define RSI 104 |
48 | #define RDI 112 |
49 | /* |
50 | * On syscall entry, this is syscall#. On CPU exception, this is error code. |
51 | * On hw interrupt, it's IRQ number: |
52 | */ |
53 | #define ORIG_RAX 120 |
54 | /* Return frame for iretq */ |
55 | #define RIP 128 |
56 | #define CS 136 |
57 | #define EFLAGS 144 |
58 | #define RSP 152 |
59 | #define SS 160 |
60 | #endif /* __ASSEMBLY__ */ |
61 | |
62 | /* top of stack page */ |
63 | #define FRAME_SIZE 168 |
64 | |
65 | #endif /* !__i386__ */ |
66 | |
67 | /* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */ |
68 | #define PTRACE_GETREGS 12 |
69 | #define PTRACE_SETREGS 13 |
70 | #define PTRACE_GETFPREGS 14 |
71 | #define PTRACE_SETFPREGS 15 |
72 | #define PTRACE_GETFPXREGS 18 |
73 | #define PTRACE_SETFPXREGS 19 |
74 | |
75 | #define PTRACE_OLDSETOPTIONS 21 |
76 | |
77 | /* only useful for access 32bit programs / kernels */ |
78 | #define PTRACE_GET_THREAD_AREA 25 |
79 | #define PTRACE_SET_THREAD_AREA 26 |
80 | |
81 | #ifdef __x86_64__ |
82 | # define PTRACE_ARCH_PRCTL 30 |
83 | #endif |
84 | |
85 | #define PTRACE_SYSEMU 31 |
86 | #define PTRACE_SYSEMU_SINGLESTEP 32 |
87 | |
88 | #define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */ |
89 | |
90 | #ifndef __ASSEMBLY__ |
91 | #include <linux/types.h> |
92 | #endif |
93 | |
94 | #endif /* _ASM_X86_PTRACE_ABI_H */ |
95 | |