1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
2 | #ifndef _UAPI_ASM_X86_PTRACE_H |
3 | #define _UAPI_ASM_X86_PTRACE_H |
4 | |
5 | #include <linux/compiler.h> /* For __user */ |
6 | #include <asm/ptrace-abi.h> |
7 | #include <asm/processor-flags.h> |
8 | |
9 | |
10 | #ifndef __ASSEMBLY__ |
11 | |
12 | #ifdef __i386__ |
13 | /* this struct defines the way the registers are stored on the |
14 | stack during a system call. */ |
15 | |
16 | #ifndef __KERNEL__ |
17 | |
18 | struct pt_regs { |
19 | long ebx; |
20 | long ecx; |
21 | long edx; |
22 | long esi; |
23 | long edi; |
24 | long ebp; |
25 | long eax; |
26 | int xds; |
27 | int xes; |
28 | int xfs; |
29 | int xgs; |
30 | long orig_eax; |
31 | long eip; |
32 | int xcs; |
33 | long eflags; |
34 | long esp; |
35 | int xss; |
36 | }; |
37 | |
38 | #endif /* __KERNEL__ */ |
39 | |
40 | #else /* __i386__ */ |
41 | |
42 | #ifndef __KERNEL__ |
43 | |
44 | struct pt_regs { |
45 | /* |
46 | * C ABI says these regs are callee-preserved. They aren't saved on kernel entry |
47 | * unless syscall needs a complete, fully filled "struct pt_regs". |
48 | */ |
49 | unsigned long r15; |
50 | unsigned long r14; |
51 | unsigned long r13; |
52 | unsigned long r12; |
53 | unsigned long rbp; |
54 | unsigned long rbx; |
55 | /* These regs are callee-clobbered. Always saved on kernel entry. */ |
56 | unsigned long r11; |
57 | unsigned long r10; |
58 | unsigned long r9; |
59 | unsigned long r8; |
60 | unsigned long rax; |
61 | unsigned long rcx; |
62 | unsigned long rdx; |
63 | unsigned long rsi; |
64 | unsigned long rdi; |
65 | /* |
66 | * On syscall entry, this is syscall#. On CPU exception, this is error code. |
67 | * On hw interrupt, it's IRQ number: |
68 | */ |
69 | unsigned long orig_rax; |
70 | /* Return frame for iretq */ |
71 | unsigned long rip; |
72 | unsigned long cs; |
73 | unsigned long eflags; |
74 | unsigned long rsp; |
75 | unsigned long ss; |
76 | /* top of stack page */ |
77 | }; |
78 | |
79 | #endif /* __KERNEL__ */ |
80 | #endif /* !__i386__ */ |
81 | |
82 | |
83 | |
84 | #endif /* !__ASSEMBLY__ */ |
85 | |
86 | #endif /* _UAPI_ASM_X86_PTRACE_H */ |
87 | |