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/* $Id: ptrace.h,v 1.25 1997/03/04 16:27:25 jj Exp $ */
#ifndef _SPARC_PTRACE_H
#define _SPARC_PTRACE_H
#include <asm/psr.h>
/* This struct defines the way the registers are stored on the
* stack during a system call and basically all traps.
*/
#ifndef __ASSEMBLY__
struct pt_regs {
unsigned long psr;
unsigned long pc;
unsigned long npc;
unsigned long y;
unsigned long u_regs[16]; /* globals and ins */
};
#define UREG_G0 0
#define UREG_G1 1
#define UREG_G2 2
#define UREG_G3 3
#define UREG_G4 4
#define UREG_G5 5
#define UREG_G6 6
#define UREG_G7 7
#define UREG_I0 8
#define UREG_I1 9
#define UREG_I2 10
#define UREG_I3 11
#define UREG_I4 12
#define UREG_I5 13
#define UREG_I6 14
#define UREG_I7 15
#define UREG_WIM UREG_G0
#define UREG_FADDR UREG_G0
#define UREG_FP UREG_I6
#define UREG_RETPC UREG_I7
/* A register window */
struct reg_window {
unsigned long locals[8];
unsigned long ins[8];
};
/* A Sparc stack frame */
struct sparc_stackf {
unsigned long locals[8];
unsigned long ins[6];
struct sparc_stackf *fp;
unsigned long callers_pc;
char *structptr;
unsigned long xargs[6];
unsigned long xxargs[1];
};
#define TRACEREG_SZ sizeof(struct pt_regs)
#define STACKFRAME_SZ sizeof(struct sparc_stackf)
#ifdef __KERNEL__
#define __ARCH_SYS_PTRACE 1
#define user_mode(regs) (!((regs)->psr & PSR_PS))
#define instruction_pointer(regs) ((regs)->pc)
unsigned long profile_pc(struct pt_regs *);
extern void show_regs(struct pt_regs *);
#endif
#else /* __ASSEMBLY__ */
/* For assembly code. */
#define TRACEREG_SZ 0x50
#define STACKFRAME_SZ 0x60
#endif
/*
* The asm-offsets.h is a generated file, so we cannot include it.
* It may be OK for glibc headers, but it's utterly pointless for C code.
* The assembly code using those offsets has to include it explicitly.
*/
/* #include <asm/asm-offsets.h> */
/* These are for pt_regs. */
#define PT_PSR 0x0
#define PT_PC 0x4
#define PT_NPC 0x8
#define PT_Y 0xc
#define PT_G0 0x10
#define PT_WIM PT_G0
#define PT_G1 0x14
#define PT_G2 0x18
#define PT_G3 0x1c
#define PT_G4 0x20
#define PT_G5 0x24
#define PT_G6 0x28
#define PT_G7 0x2c
#define PT_I0 0x30
#define PT_I1 0x34
#define PT_I2 0x38
#define PT_I3 0x3c
#define PT_I4 0x40
#define PT_I5 0x44
#define PT_I6 0x48
#define PT_FP PT_I6
#define PT_I7 0x4c
/* Reg_window offsets */
#define RW_L0 0x00
#define RW_L1 0x04
#define RW_L2 0x08
#define RW_L3 0x0c
#define RW_L4 0x10
#define RW_L5 0x14
#define RW_L6 0x18
#define RW_L7 0x1c
#define RW_I0 0x20
#define RW_I1 0x24
#define RW_I2 0x28
#define RW_I3 0x2c
#define RW_I4 0x30
#define RW_I5 0x34
#define RW_I6 0x38
#define RW_I7 0x3c
/* Stack_frame offsets */
#define SF_L0 0x00
#define SF_L1 0x04
#define SF_L2 0x08
#define SF_L3 0x0c
#define SF_L4 0x10
#define SF_L5 0x14
#define SF_L6 0x18
#define SF_L7 0x1c
#define SF_I0 0x20
#define SF_I1 0x24
#define SF_I2 0x28
#define SF_I3 0x2c
#define SF_I4 0x30
#define SF_I5 0x34
#define SF_FP 0x38
#define SF_PC 0x3c
#define SF_RETP 0x40
#define SF_XARG0 0x44
#define SF_XARG1 0x48
#define SF_XARG2 0x4c
#define SF_XARG3 0x50
#define SF_XARG4 0x54
#define SF_XARG5 0x58
#define SF_XXARG 0x5c
/* Stuff for the ptrace system call */
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14
#define PTRACE_SETFPREGS 15
#define PTRACE_READDATA 16
#define PTRACE_WRITEDATA 17
#define PTRACE_READTEXT 18
#define PTRACE_WRITETEXT 19
#define PTRACE_GETFPAREGS 20
#define PTRACE_SETFPAREGS 21
#define PTRACE_GETUCODE 29 /* stupid bsd-ism */
#endif /* !(_SPARC_PTRACE_H) */
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