Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _PTRACE32_H |
| 2 | #define _PTRACE32_H |
| 3 | |
| 4 | #include "compat_linux.h" /* needed for _psw_t32 */ |
| 5 | |
| 6 | typedef struct { |
| 7 | __u32 cr[3]; |
| 8 | } per_cr_words32; |
| 9 | |
| 10 | typedef struct { |
| 11 | __u16 perc_atmid; /* 0x096 */ |
| 12 | __u32 address; /* 0x098 */ |
| 13 | __u8 access_id; /* 0x0a1 */ |
| 14 | } per_lowcore_words32; |
| 15 | |
| 16 | typedef struct { |
| 17 | union { |
| 18 | per_cr_words32 words; |
| 19 | } control_regs; |
| 20 | /* |
| 21 | * Use these flags instead of setting em_instruction_fetch |
| 22 | * directly they are used so that single stepping can be |
| 23 | * switched on & off while not affecting other tracing |
| 24 | */ |
| 25 | unsigned single_step : 1; |
| 26 | unsigned instruction_fetch : 1; |
| 27 | unsigned : 30; |
| 28 | /* |
| 29 | * These addresses are copied into cr10 & cr11 if single |
| 30 | * stepping is switched off |
| 31 | */ |
| 32 | __u32 starting_addr; |
| 33 | __u32 ending_addr; |
| 34 | union { |
| 35 | per_lowcore_words32 words; |
| 36 | } lowcore; |
| 37 | } per_struct32; |
| 38 | |
| 39 | struct user_regs_struct32 |
| 40 | { |
| 41 | _psw_t32 psw; |
| 42 | u32 gprs[NUM_GPRS]; |
| 43 | u32 acrs[NUM_ACRS]; |
| 44 | u32 orig_gpr2; |
| 45 | s390_fp_regs fp_regs; |
| 46 | /* |
| 47 | * These per registers are in here so that gdb can modify them |
| 48 | * itself as there is no "official" ptrace interface for hardware |
| 49 | * watchpoints. This is the way intel does it. |
| 50 | */ |
| 51 | per_struct32 per_info; |
| 52 | u32 ieee_instruction_pointer; |
| 53 | /* Used to give failing instruction back to user for ieee exceptions */ |
| 54 | }; |
| 55 | |
| 56 | struct user32 { |
| 57 | /* We start with the registers, to mimic the way that "memory" |
| 58 | is returned from the ptrace(3,...) function. */ |
| 59 | struct user_regs_struct32 regs; /* Where the registers are actually stored */ |
| 60 | /* The rest of this junk is to help gdb figure out what goes where */ |
| 61 | u32 u_tsize; /* Text segment size (pages). */ |
| 62 | u32 u_dsize; /* Data segment size (pages). */ |
| 63 | u32 u_ssize; /* Stack segment size (pages). */ |
| 64 | u32 start_code; /* Starting virtual address of text. */ |
| 65 | u32 start_stack; /* Starting virtual address of stack area. |
| 66 | This is actually the bottom of the stack, |
| 67 | the top of the stack is always found in the |
| 68 | esp register. */ |
| 69 | s32 signal; /* Signal that caused the core dump. */ |
| 70 | u32 u_ar0; /* Used by gdb to help find the values for */ |
| 71 | /* the registers. */ |
| 72 | u32 magic; /* To uniquely identify a core file */ |
| 73 | char u_comm[32]; /* User command that was responsible */ |
| 74 | }; |
| 75 | |
| 76 | typedef struct |
| 77 | { |
| 78 | __u32 len; |
| 79 | __u32 kernel_addr; |
| 80 | __u32 process_addr; |
| 81 | } ptrace_area_emu31; |
| 82 | |
| 83 | #endif /* _PTRACE32_H */ |