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1 | /* SPDX-License-Identifier: GPL-2.0 */ | |
2 | #ifndef _PTRACE32_H | |
3 | #define _PTRACE32_H | |
4 | ||
5 | #include <asm/ptrace.h> /* needed for NUM_CR_WORDS */ | |
6 | #include "compat_linux.h" /* needed for psw_compat_t */ | |
7 | ||
8 | struct compat_per_struct_kernel { | |
9 | __u32 cr9; /* PER control bits */ | |
10 | __u32 cr10; /* PER starting address */ | |
11 | __u32 cr11; /* PER ending address */ | |
12 | __u32 bits; /* Obsolete software bits */ | |
13 | __u32 starting_addr; /* User specified start address */ | |
14 | __u32 ending_addr; /* User specified end address */ | |
15 | __u16 perc_atmid; /* PER trap ATMID */ | |
16 | __u32 address; /* PER trap instruction address */ | |
17 | __u8 access_id; /* PER trap access identification */ | |
18 | }; | |
19 | ||
20 | struct compat_user_regs_struct | |
21 | { | |
22 | psw_compat_t psw; | |
23 | u32 gprs[NUM_GPRS]; | |
24 | u32 acrs[NUM_ACRS]; | |
25 | u32 orig_gpr2; | |
26 | /* nb: there's a 4-byte hole here */ | |
27 | s390_fp_regs fp_regs; | |
28 | /* | |
29 | * These per registers are in here so that gdb can modify them | |
30 | * itself as there is no "official" ptrace interface for hardware | |
31 | * watchpoints. This is the way intel does it. | |
32 | */ | |
33 | struct compat_per_struct_kernel per_info; | |
34 | u32 ieee_instruction_pointer; /* obsolete, always 0 */ | |
35 | }; | |
36 | ||
37 | struct compat_user { | |
38 | /* We start with the registers, to mimic the way that "memory" | |
39 | is returned from the ptrace(3,...) function. */ | |
40 | struct compat_user_regs_struct regs; | |
41 | /* The rest of this junk is to help gdb figure out what goes where */ | |
42 | u32 u_tsize; /* Text segment size (pages). */ | |
43 | u32 u_dsize; /* Data segment size (pages). */ | |
44 | u32 u_ssize; /* Stack segment size (pages). */ | |
45 | u32 start_code; /* Starting virtual address of text. */ | |
46 | u32 start_stack; /* Starting virtual address of stack area. | |
47 | This is actually the bottom of the stack, | |
48 | the top of the stack is always found in the | |
49 | esp register. */ | |
50 | s32 signal; /* Signal that caused the core dump. */ | |
51 | u32 u_ar0; /* Used by gdb to help find the values for */ | |
52 | /* the registers. */ | |
53 | u32 magic; /* To uniquely identify a core file */ | |
54 | char u_comm[32]; /* User command that was responsible */ | |
55 | }; | |
56 | ||
57 | typedef struct | |
58 | { | |
59 | __u32 len; | |
60 | __u32 kernel_addr; | |
61 | __u32 process_addr; | |
62 | } compat_ptrace_area; | |
63 | ||
64 | #endif /* _PTRACE32_H */ |