- /* $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)
- #define REGWIN_SZ sizeof(struct reg_window)
- #ifdef __KERNEL__
- #define user_mode(regs) (!((regs)->psr & PSR_PS))
- #define instruction_pointer(regs) ((regs)->pc)
- extern void show_regs(struct pt_regs *);
- #endif
- #else /* __ASSEMBLY__ */
- /* For assembly code. */
- #define TRACEREG_SZ 0x50
- #define STACKFRAME_SZ 0x60
- #define REGWIN_SZ 0x40
- #endif
- #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_SUNATTACH 10
- #define PTRACE_SUNDETACH 11
- #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) */