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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-sparc64/] [ptrace.h] - Rev 1765

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/* $Id: ptrace.h,v 1.1.1.1 2004-04-15 03:00:54 phoenix 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 user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
#define instruction_pointer(regs) ((regs)->tpc)
extern void show_regs(struct pt_regs *);
#define force_successful_syscall_return() \
do { \
	current->thread.flags |= SPARC_FLAG_SYS_SUCCESS; \
} while (0)
#endif
 
#else /* __ASSEMBLY__ */
/* For assembly code. */
#define TRACEREG_SZ		0xa0
#define STACKFRAME_SZ		0xc0
 
#define TRACEREG32_SZ		0x50
#define STACKFRAME32_SZ		0x60
 
#include <asm/asm_offsets.h>
#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_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
 
/* There are for debugging 64-bit processes, either from a 32 or 64 bit
 * parent.  Thus their compliments 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
 
#define PTRACE_GETUCODE           29  /* stupid bsd-ism */
 
/* These are for 32-bit processes debugging 64-bit ones.
 * Here addr and addr2 are passed in %g2 and %g3 respectively.
 */
#define PTRACE_PEEKTEXT64         (30 + PTRACE_PEEKTEXT)
#define PTRACE_POKETEXT64         (30 + PTRACE_POKETEXT)
#define PTRACE_PEEKDATA64         (30 + PTRACE_PEEKDATA)
#define PTRACE_POKEDATA64         (30 + PTRACE_POKEDATA)
#define PTRACE_READDATA64         (30 + PTRACE_READDATA)
#define PTRACE_WRITEDATA64        (30 + PTRACE_WRITEDATA)
#define PTRACE_READTEXT64         (30 + PTRACE_READTEXT)
#define PTRACE_WRITETEXT64        (30 + PTRACE_WRITETEXT)
 
#endif /* !(_SPARC64_PTRACE_H) */
 

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