From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?= Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- arch/s390/kernel/compat_ptrace.h | 63 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 arch/s390/kernel/compat_ptrace.h (limited to 'arch/s390/kernel/compat_ptrace.h') diff --git a/arch/s390/kernel/compat_ptrace.h b/arch/s390/kernel/compat_ptrace.h new file mode 100644 index 000000000..12b823833 --- /dev/null +++ b/arch/s390/kernel/compat_ptrace.h @@ -0,0 +1,63 @@ +#ifndef _PTRACE32_H +#define _PTRACE32_H + +#include /* needed for NUM_CR_WORDS */ +#include "compat_linux.h" /* needed for psw_compat_t */ + +struct compat_per_struct_kernel { + __u32 cr9; /* PER control bits */ + __u32 cr10; /* PER starting address */ + __u32 cr11; /* PER ending address */ + __u32 bits; /* Obsolete software bits */ + __u32 starting_addr; /* User specified start address */ + __u32 ending_addr; /* User specified end address */ + __u16 perc_atmid; /* PER trap ATMID */ + __u32 address; /* PER trap instruction address */ + __u8 access_id; /* PER trap access identification */ +}; + +struct compat_user_regs_struct +{ + psw_compat_t psw; + u32 gprs[NUM_GPRS]; + u32 acrs[NUM_ACRS]; + u32 orig_gpr2; + /* nb: there's a 4-byte hole here */ + s390_fp_regs fp_regs; + /* + * These per registers are in here so that gdb can modify them + * itself as there is no "official" ptrace interface for hardware + * watchpoints. This is the way intel does it. + */ + struct compat_per_struct_kernel per_info; + u32 ieee_instruction_pointer; /* obsolete, always 0 */ +}; + +struct compat_user { + /* We start with the registers, to mimic the way that "memory" + is returned from the ptrace(3,...) function. */ + struct compat_user_regs_struct regs; + /* The rest of this junk is to help gdb figure out what goes where */ + u32 u_tsize; /* Text segment size (pages). */ + u32 u_dsize; /* Data segment size (pages). */ + u32 u_ssize; /* Stack segment size (pages). */ + u32 start_code; /* Starting virtual address of text. */ + u32 start_stack; /* Starting virtual address of stack area. + This is actually the bottom of the stack, + the top of the stack is always found in the + esp register. */ + s32 signal; /* Signal that caused the core dump. */ + u32 u_ar0; /* Used by gdb to help find the values for */ + /* the registers. */ + u32 magic; /* To uniquely identify a core file */ + char u_comm[32]; /* User command that was responsible */ +}; + +typedef struct +{ + __u32 len; + __u32 kernel_addr; + __u32 process_addr; +} compat_ptrace_area; + +#endif /* _PTRACE32_H */ -- cgit v1.2.3