[S390] remove ieee_instruction_pointer from thread_struct
[deliverable/linux.git] / arch / s390 / kernel / compat_ptrace.h
1 #ifndef _PTRACE32_H
2 #define _PTRACE32_H
3
4 #include <asm/ptrace.h> /* needed for NUM_CR_WORDS */
5 #include "compat_linux.h" /* needed for psw_compat_t */
6
7 typedef struct {
8 __u32 cr[NUM_CR_WORDS];
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 {
42 psw_compat_t psw;
43 u32 gprs[NUM_GPRS];
44 u32 acrs[NUM_ACRS];
45 u32 orig_gpr2;
46 /* nb: there's a 4-byte hole here */
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;
54 u32 ieee_instruction_pointer; /* obsolete, always 0 */
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 */
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