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1da177e4 LT |
1 | #ifndef _PTRACE32_H |
2 | #define _PTRACE32_H | |
3 | ||
eaf1b6fb | 4 | #include <asm/ptrace.h> /* needed for NUM_CR_WORDS */ |
63506c41 | 5 | #include "compat_linux.h" /* needed for psw_compat_t */ |
1da177e4 LT |
6 | |
7 | typedef struct { | |
eaf1b6fb | 8 | __u32 cr[NUM_CR_WORDS]; |
1da177e4 LT |
9 | } per_cr_words32; |
10 | ||
11 | typedef struct { | |
12 | __u16 perc_atmid; /* 0x096 */ | |
13 | __u32 address; /* 0x098 */ | |
14 | __u8 access_id; /* 0x0a1 */ | |
15 | } per_lowcore_words32; | |
16 | ||
17 | typedef struct { | |
18 | union { | |
19 | per_cr_words32 words; | |
20 | } control_regs; | |
21 | /* | |
22 | * Use these flags instead of setting em_instruction_fetch | |
23 | * directly they are used so that single stepping can be | |
24 | * switched on & off while not affecting other tracing | |
25 | */ | |
26 | unsigned single_step : 1; | |
27 | unsigned instruction_fetch : 1; | |
28 | unsigned : 30; | |
29 | /* | |
30 | * These addresses are copied into cr10 & cr11 if single | |
31 | * stepping is switched off | |
32 | */ | |
33 | __u32 starting_addr; | |
34 | __u32 ending_addr; | |
35 | union { | |
36 | per_lowcore_words32 words; | |
37 | } lowcore; | |
38 | } per_struct32; | |
39 | ||
40 | struct user_regs_struct32 | |
41 | { | |
63506c41 | 42 | psw_compat_t psw; |
1da177e4 LT |
43 | u32 gprs[NUM_GPRS]; |
44 | u32 acrs[NUM_ACRS]; | |
45 | u32 orig_gpr2; | |
3d6e48f4 | 46 | /* nb: there's a 4-byte hole here */ |
1da177e4 LT |
47 | s390_fp_regs fp_regs; |
48 | /* | |
49 | * These per registers are in here so that gdb can modify them | |
50 | * itself as there is no "official" ptrace interface for hardware | |
51 | * watchpoints. This is the way intel does it. | |
52 | */ | |
53 | per_struct32 per_info; | |
ba6cadfe | 54 | u32 ieee_instruction_pointer; /* obsolete, always 0 */ |
1da177e4 LT |
55 | }; |
56 | ||
57 | struct user32 { | |
58 | /* We start with the registers, to mimic the way that "memory" | |
59 | is returned from the ptrace(3,...) function. */ | |
60 | struct user_regs_struct32 regs; /* Where the registers are actually stored */ | |
61 | /* The rest of this junk is to help gdb figure out what goes where */ | |
62 | u32 u_tsize; /* Text segment size (pages). */ | |
63 | u32 u_dsize; /* Data segment size (pages). */ | |
64 | u32 u_ssize; /* Stack segment size (pages). */ | |
65 | u32 start_code; /* Starting virtual address of text. */ | |
66 | u32 start_stack; /* Starting virtual address of stack area. | |
67 | This is actually the bottom of the stack, | |
68 | the top of the stack is always found in the | |
69 | esp register. */ | |
70 | s32 signal; /* Signal that caused the core dump. */ | |
71 | u32 u_ar0; /* Used by gdb to help find the values for */ | |
72 | /* the registers. */ | |
73 | u32 magic; /* To uniquely identify a core file */ | |
74 | char u_comm[32]; /* User command that was responsible */ | |
75 | }; | |
76 | ||
77 | typedef struct | |
78 | { | |
79 | __u32 len; | |
80 | __u32 kernel_addr; | |
81 | __u32 process_addr; | |
82 | } ptrace_area_emu31; | |
83 | ||
84 | #endif /* _PTRACE32_H */ |