#ifndef _OR32_PTRACE_H
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#ifndef _OR32_PTRACE_H
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#define _OR32_PTRACE_H
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#define _OR32_PTRACE_H
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#include <asm/spr_defs.h>
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#include <asm/spr_defs.h>
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/*
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/*
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* This struct defines the way the registers are stored on the
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* This struct defines the way the registers are stored on the
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* kernel stack during a system call or other kernel entry.
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* kernel stack during a system call or other kernel entry.
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*
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*
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* this should only contain volatile regs
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* this should only contain volatile regs
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* since we can keep non-volatile in the thread_struct
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* since we can keep non-volatile in the thread_struct
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* should set this up when only volatiles are saved
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* should set this up when only volatiles are saved
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* by intr code.
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* by intr code.
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*
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*
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* Since this is going on the stack, *CARE MUST BE TAKEN* to insure
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* Since this is going on the stack, *CARE MUST BE TAKEN* to insure
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* that the overall structure is a multiple of 16 bytes in length.
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* that the overall structure is a multiple of 16 bytes in length.
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*
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*
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* Note that the offsets of the fields in this struct correspond with
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* Note that the offsets of the fields in this struct correspond with
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* the values below.
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* the values below.
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*/
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*/
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#ifndef __ASSEMBLY__
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#ifndef __ASSEMBLY__
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struct pt_regs {
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struct pt_regs {
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long pc;
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long pc;
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long sr;
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long sr;
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long sp;
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long sp;
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long gprs[30];
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long gprs[30];
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long orig_gpr3; /* Used for restarting system calls */
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long orig_gpr3; /* Used for restarting system calls */
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long result; /* Result of a system call */
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long result; /* Result of a system call */
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long syscallno; /* Syscall no. (used by strace) */
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long syscallno; /* Syscall no. (used by strace) */
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};
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};
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#endif /* __ASSEMBLY__ */
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#endif /* __ASSEMBLY__ */
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#ifdef __KERNEL__
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#ifdef __KERNEL__
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#define STACK_FRAME_OVERHEAD 0 /* size of minimum stack frame */
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#define STACK_FRAME_OVERHEAD 0 /* size of minimum stack frame */
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/* Size of stack frame allocated when calling signal handler. */
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/* Size of stack frame allocated when calling signal handler. */
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#define __SIGNAL_FRAMESIZE 64
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#define __SIGNAL_FRAMESIZE 64
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#define instruction_pointer(regs) ((regs)->pc)
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#define instruction_pointer(regs) ((regs)->pc)
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#define user_mode(regs) (((regs)->sr & SPR_SR_SM) == 0)
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#define user_mode(regs) (((regs)->sr & SPR_SR_SM) == 0)
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#endif /* __KERNEL__ */
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#endif /* __KERNEL__ */
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/*
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/*
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* Offsets used by 'ptrace' system call interface.
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* Offsets used by 'ptrace' system call interface.
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*/
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*/
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#define PC 0
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#define PC 0
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#define SR 4
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#define SR 4
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#define SP 8
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#define SP 8
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#define GPR2 12
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#define GPR2 12
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#define GPR3 16
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#define GPR3 16
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#define GPR4 20
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#define GPR4 20
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#define GPR5 24
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#define GPR5 24
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#define GPR6 28
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#define GPR6 28
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#define GPR7 32
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#define GPR7 32
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#define GPR8 36
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#define GPR8 36
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#define GPR9 40
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#define GPR9 40
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#define GPR10 44
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#define GPR10 44
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#define GPR11 48
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#define GPR11 48
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#define GPR12 52
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#define GPR12 52
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#define GPR13 56
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#define GPR13 56
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#define GPR14 60
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#define GPR14 60
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#define GPR15 64
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#define GPR15 64
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#define GPR16 68
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#define GPR16 68
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#define GPR17 72
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#define GPR17 72
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#define GPR18 76
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#define GPR18 76
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#define GPR19 80
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#define GPR19 80
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#define GPR20 84
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#define GPR20 84
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#define GPR21 88
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#define GPR21 88
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#define GPR22 92
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#define GPR22 92
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#define GPR23 96
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#define GPR23 96
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#define GPR24 100
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#define GPR24 100
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#define GPR25 104
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#define GPR25 104
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#define GPR26 108
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#define GPR26 108
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#define GPR27 112
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#define GPR27 112
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#define GPR28 116
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#define GPR28 116
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#define GPR29 120
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#define GPR29 120
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#define GPR30 124
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#define GPR30 124
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#define GPR31 128
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#define GPR31 128
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#define ORIG_GPR3 132
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#define ORIG_GPR3 132
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#define RESULT 136
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#define RESULT 136
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#define SYSCALLNO 140
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#define SYSCALLNO 140
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#endif /* _OR32_PTRACE_H */
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#endif /* _OR32_PTRACE_H */
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