| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 */ |