65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _PTRACE32_H
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#define _PTRACE32_H
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#include <asm/ptrace.h> /* needed for NUM_CR_WORDS */
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#include "compat_linux.h" /* needed for psw_compat_t */
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struct compat_per_struct_kernel {
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__u32 cr9; /* PER control bits */
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__u32 cr10; /* PER starting address */
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__u32 cr11; /* PER ending address */
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__u32 bits; /* Obsolete software bits */
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__u32 starting_addr; /* User specified start address */
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__u32 ending_addr; /* User specified end address */
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__u16 perc_atmid; /* PER trap ATMID */
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__u32 address; /* PER trap instruction address */
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__u8 access_id; /* PER trap access identification */
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};
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struct compat_user_regs_struct
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{
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psw_compat_t psw;
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u32 gprs[NUM_GPRS];
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u32 acrs[NUM_ACRS];
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u32 orig_gpr2;
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/* nb: there's a 4-byte hole here */
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s390_fp_regs fp_regs;
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/*
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* These per registers are in here so that gdb can modify them
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* itself as there is no "official" ptrace interface for hardware
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* watchpoints. This is the way intel does it.
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*/
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struct compat_per_struct_kernel per_info;
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u32 ieee_instruction_pointer; /* obsolete, always 0 */
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};
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struct compat_user {
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/* We start with the registers, to mimic the way that "memory"
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is returned from the ptrace(3,...) function. */
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struct compat_user_regs_struct regs;
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/* The rest of this junk is to help gdb figure out what goes where */
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u32 u_tsize; /* Text segment size (pages). */
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u32 u_dsize; /* Data segment size (pages). */
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u32 u_ssize; /* Stack segment size (pages). */
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u32 start_code; /* Starting virtual address of text. */
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u32 start_stack; /* Starting virtual address of stack area.
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This is actually the bottom of the stack,
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the top of the stack is always found in the
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esp register. */
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s32 signal; /* Signal that caused the core dump. */
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u32 u_ar0; /* Used by gdb to help find the values for */
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/* the registers. */
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u32 magic; /* To uniquely identify a core file */
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char u_comm[32]; /* User command that was responsible */
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};
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typedef struct
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{
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__u32 len;
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__u32 kernel_addr;
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__u32 process_addr;
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} compat_ptrace_area;
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#endif /* _PTRACE32_H */
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