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/* $Id: ptrace.h,v 1.14 2002/02/09 19:49:32 davem Exp $ */
#ifndef _SPARC64_PTRACE_H
#define _SPARC64_PTRACE_H
#include <asm/pstate.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 u_regs[16]; /* globals and ins */
unsigned long tstate;
unsigned long tpc;
unsigned long tnpc;
unsigned int y;
unsigned int fprs;
};
struct pt_regs32 {
unsigned int psr;
unsigned int pc;
unsigned int npc;
unsigned int y;
unsigned int 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_FP UREG_I6
#define UREG_RETPC UREG_I7
/* A V9 register window */
struct reg_window {
unsigned long locals[8];
unsigned long ins[8];
};
/* A 32-bit register window. */
struct reg_window32 {
unsigned int locals[8];
unsigned int ins[8];
};
/* A V9 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];
};
/* A 32-bit Sparc stack frame */
struct sparc_stackf32 {
unsigned int locals[8];
unsigned int ins[6];
unsigned int fp;
unsigned int callers_pc;
unsigned int structptr;
unsigned int xargs[6];
unsigned int xxargs[1];
};
struct sparc_trapf {
unsigned long locals[8];
unsigned long ins[8];
unsigned long _unused;
struct pt_regs *regs;
};
#define TRACEREG_SZ sizeof(struct pt_regs)
#define STACKFRAME_SZ sizeof(struct sparc_stackf)
#define TRACEREG32_SZ sizeof(struct pt_regs32)
#define STACKFRAME32_SZ sizeof(struct sparc_stackf32)
#ifdef __KERNEL__
#define __ARCH_WANT_COMPAT_SYS_PTRACE
#define force_successful_syscall_return() \
do { current_thread_info()->syscall_noerror = 1; \
} while (0)
#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
#define instruction_pointer(regs) ((regs)->tpc)
#define regs_return_value(regs) ((regs)->u_regs[UREG_I0])
#ifdef CONFIG_SMP
extern unsigned long profile_pc(struct pt_regs *);
#else
#define profile_pc(regs) instruction_pointer(regs)
#endif
extern void show_regs(struct pt_regs *);
#endif
#else /* __ASSEMBLY__ */
/* For assembly code. */
#define TRACEREG_SZ 0xa0
#define STACKFRAME_SZ 0xc0
#define TRACEREG32_SZ 0x50
#define STACKFRAME32_SZ 0x60
#endif
#ifdef __KERNEL__
#define STACK_BIAS 2047
#endif
/* These are for pt_regs. */
#define PT_V9_G0 0x00
#define PT_V9_G1 0x08
#define PT_V9_G2 0x10
#define PT_V9_G3 0x18
#define PT_V9_G4 0x20
#define PT_V9_G5 0x28
#define PT_V9_G6 0x30
#define PT_V9_G7 0x38
#define PT_V9_I0 0x40
#define PT_V9_I1 0x48
#define PT_V9_I2 0x50
#define PT_V9_I3 0x58
#define PT_V9_I4 0x60
#define PT_V9_I5 0x68
#define PT_V9_I6 0x70
#define PT_V9_FP PT_V9_I6
#define PT_V9_I7 0x78
#define PT_V9_TSTATE 0x80
#define PT_V9_TPC 0x88
#define PT_V9_TNPC 0x90
#define PT_V9_Y 0x98
#define PT_V9_FPRS 0x9c
#define PT_TSTATE PT_V9_TSTATE
#define PT_TPC PT_V9_TPC
#define PT_TNPC PT_V9_TNPC
/* These for pt_regs32. */
#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_V9_L0 0x00
#define RW_V9_L1 0x08
#define RW_V9_L2 0x10
#define RW_V9_L3 0x18
#define RW_V9_L4 0x20
#define RW_V9_L5 0x28
#define RW_V9_L6 0x30
#define RW_V9_L7 0x38
#define RW_V9_I0 0x40
#define RW_V9_I1 0x48
#define RW_V9_I2 0x50
#define RW_V9_I3 0x58
#define RW_V9_I4 0x60
#define RW_V9_I5 0x68
#define RW_V9_I6 0x70
#define RW_V9_I7 0x78
#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_V9_L0 0x00
#define SF_V9_L1 0x08
#define SF_V9_L2 0x10
#define SF_V9_L3 0x18
#define SF_V9_L4 0x20
#define SF_V9_L5 0x28
#define SF_V9_L6 0x30
#define SF_V9_L7 0x38
#define SF_V9_I0 0x40
#define SF_V9_I1 0x48
#define SF_V9_I2 0x50
#define SF_V9_I3 0x58
#define SF_V9_I4 0x60
#define SF_V9_I5 0x68
#define SF_V9_FP 0x70
#define SF_V9_PC 0x78
#define SF_V9_RETP 0x80
#define SF_V9_XARG0 0x88
#define SF_V9_XARG1 0x90
#define SF_V9_XARG2 0x98
#define SF_V9_XARG3 0xa0
#define SF_V9_XARG4 0xa8
#define SF_V9_XARG5 0xb0
#define SF_V9_XXARG 0xb8
#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
/* There are for debugging 64-bit processes, either from a 32 or 64 bit
* parent. Thus their complements are for debugging 32-bit processes only.
*/
#define PTRACE_GETREGS64 22
#define PTRACE_SETREGS64 23
/* PTRACE_SYSCALL is 24 */
#define PTRACE_GETFPREGS64 25
#define PTRACE_SETFPREGS64 26
#endif /* !(_SPARC64_PTRACE_H) */
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