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 7typedef struct { 8 __u32 cr[NUM_CR_WORDS]; 9} per_cr_words32; 10 11typedef struct { 12 __u16 perc_atmid; /* 0x096 */ 13 __u32 address; /* 0x098 */ 14 __u8 access_id; /* 0x0a1 */ 15} per_lowcore_words32; 16 17typedef 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 40struct 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; 55 /* Used to give failing instruction back to user for ieee exceptions */ 56}; 57 58struct user32 { 59 /* We start with the registers, to mimic the way that "memory" 60 is returned from the ptrace(3,...) function. */ 61 struct user_regs_struct32 regs; /* Where the registers are actually stored */ 62 /* The rest of this junk is to help gdb figure out what goes where */ 63 u32 u_tsize; /* Text segment size (pages). */ 64 u32 u_dsize; /* Data segment size (pages). */ 65 u32 u_ssize; /* Stack segment size (pages). */ 66 u32 start_code; /* Starting virtual address of text. */ 67 u32 start_stack; /* Starting virtual address of stack area. 68 This is actually the bottom of the stack, 69 the top of the stack is always found in the 70 esp register. */ 71 s32 signal; /* Signal that caused the core dump. */ 72 u32 u_ar0; /* Used by gdb to help find the values for */ 73 /* the registers. */ 74 u32 magic; /* To uniquely identify a core file */ 75 char u_comm[32]; /* User command that was responsible */ 76}; 77 78typedef struct 79{ 80 __u32 len; 81 __u32 kernel_addr; 82 __u32 process_addr; 83} ptrace_area_emu31; 84 85#endif /* _PTRACE32_H */ 86