[deliverable/linux.git] / include / asm-sparc64 / ptrace.h

/* $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 *);
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) */
Commit	Line	Data
1da177e4 LT	1	/* $Id: ptrace.h,v 1.14 2002/02/09 19:49:32 davem Exp $ */
	2	#ifndef _SPARC64_PTRACE_H
	3	#define _SPARC64_PTRACE_H
	4
	5	#include <asm/pstate.h>
	6
	7	/* This struct defines the way the registers are stored on the
	8	* stack during a system call and basically all traps.
	9	*/
	10
	11	#ifndef __ASSEMBLY__
	12
	13	struct pt_regs {
	14	unsigned long u_regs[16]; /* globals and ins */
	15	unsigned long tstate;
	16	unsigned long tpc;
	17	unsigned long tnpc;
	18	unsigned int y;
	19	unsigned int fprs;
	20	};
	21
	22	struct pt_regs32 {
	23	unsigned int psr;
	24	unsigned int pc;
	25	unsigned int npc;
	26	unsigned int y;
	27	unsigned int u_regs[16]; /* globals and ins */
	28	};
	29
	30	#define UREG_G0 0
	31	#define UREG_G1 1
	32	#define UREG_G2 2
	33	#define UREG_G3 3
	34	#define UREG_G4 4
	35	#define UREG_G5 5
	36	#define UREG_G6 6
	37	#define UREG_G7 7
	38	#define UREG_I0 8
	39	#define UREG_I1 9
	40	#define UREG_I2 10
	41	#define UREG_I3 11
	42	#define UREG_I4 12
	43	#define UREG_I5 13
	44	#define UREG_I6 14
	45	#define UREG_I7 15
	46	#define UREG_FP UREG_I6
	47	#define UREG_RETPC UREG_I7
	48
	49	/* A V9 register window */
	50	struct reg_window {
	51	unsigned long locals[8];
	52	unsigned long ins[8];
	53	};
	54
	55	/* A 32-bit register window. */
	56	struct reg_window32 {
	57	unsigned int locals[8];
	58	unsigned int ins[8];
	59	};
	60
	61	/* A V9 Sparc stack frame */
	62	struct sparc_stackf {
	63	unsigned long locals[8];
	64	unsigned long ins[6];
65	struct sparc_stackf *fp;
66	unsigned long callers_pc;
67	char *structptr;
68	unsigned long xargs[6];
69	unsigned long xxargs[1];
70	};
71
72	/* A 32-bit Sparc stack frame */
73	struct sparc_stackf32 {
74	unsigned int locals[8];
75	unsigned int ins[6];
76	unsigned int fp;
77	unsigned int callers_pc;
78	unsigned int structptr;
79	unsigned int xargs[6];
80	unsigned int xxargs[1];
81	};
82
83	struct sparc_trapf {
84	unsigned long locals[8];
85	unsigned long ins[8];
86	unsigned long _unused;
87	struct pt_regs *regs;
88	};
89
90	#define TRACEREG_SZ sizeof(struct pt_regs)
91	#define STACKFRAME_SZ sizeof(struct sparc_stackf)
92
93	#define TRACEREG32_SZ sizeof(struct pt_regs32)
94	#define STACKFRAME32_SZ sizeof(struct sparc_stackf32)
95
96	#ifdef __KERNEL__
481bed45	97
2ba85f3a DM	98	#define __ARCH_WANT_COMPAT_SYS_PTRACE
2ba85f3a DM	99
db7d9a4e DM	100	#define force_successful_syscall_return() \
	101	do { current_thread_info()->syscall_noerror = 1; \
	102	} while (0)
1da177e4 LT	103	#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV))
1da177e4 LT	104	#define instruction_pointer(regs) ((regs)->tpc)
f6d091e0	105	#define regs_return_value(regs) ((regs)->u_regs[UREG_I0])
1da177e4 LT	106	#ifdef CONFIG_SMP
	107	extern unsigned long profile_pc(struct pt_regs *);
	108	#else
	109	#define profile_pc(regs) instruction_pointer(regs)
	110	#endif
	111	extern void show_regs(struct pt_regs *);
3ac1da33	112	extern void __show_regs(struct pt_regs *);
1da177e4 LT	113	#endif
	114
	115	#else /* __ASSEMBLY__ */
	116	/* For assembly code. */
	117	#define TRACEREG_SZ 0xa0
	118	#define STACKFRAME_SZ 0xc0
	119
	120	#define TRACEREG32_SZ 0x50
	121	#define STACKFRAME32_SZ 0x60
	122	#endif
	123
	124	#ifdef __KERNEL__
	125	#define STACK_BIAS 2047
	126	#endif
	127
	128	/* These are for pt_regs. */
	129	#define PT_V9_G0 0x00
	130	#define PT_V9_G1 0x08
	131	#define PT_V9_G2 0x10
	132	#define PT_V9_G3 0x18
	133	#define PT_V9_G4 0x20
	134	#define PT_V9_G5 0x28
	135	#define PT_V9_G6 0x30
	136	#define PT_V9_G7 0x38
	137	#define PT_V9_I0 0x40
	138	#define PT_V9_I1 0x48
	139	#define PT_V9_I2 0x50
	140	#define PT_V9_I3 0x58
	141	#define PT_V9_I4 0x60
	142	#define PT_V9_I5 0x68
	143	#define PT_V9_I6 0x70
	144	#define PT_V9_FP PT_V9_I6
	145	#define PT_V9_I7 0x78
	146	#define PT_V9_TSTATE 0x80
	147	#define PT_V9_TPC 0x88
	148	#define PT_V9_TNPC 0x90
	149	#define PT_V9_Y 0x98
	150	#define PT_V9_FPRS 0x9c
	151	#define PT_TSTATE PT_V9_TSTATE
	152	#define PT_TPC PT_V9_TPC
	153	#define PT_TNPC PT_V9_TNPC
	154
	155	/* These for pt_regs32. */
	156	#define PT_PSR 0x0
	157	#define PT_PC 0x4
	158	#define PT_NPC 0x8
	159	#define PT_Y 0xc
	160	#define PT_G0 0x10
	161	#define PT_WIM PT_G0
	162	#define PT_G1 0x14
	163	#define PT_G2 0x18
	164	#define PT_G3 0x1c
	165	#define PT_G4 0x20
	166	#define PT_G5 0x24
	167	#define PT_G6 0x28
	168	#define PT_G7 0x2c
	169	#define PT_I0 0x30
	170	#define PT_I1 0x34
	171	#define PT_I2 0x38
	172	#define PT_I3 0x3c
	173	#define PT_I4 0x40
	174	#define PT_I5 0x44
	175	#define PT_I6 0x48
	176	#define PT_FP PT_I6
177	#define PT_I7 0x4c
178
179	/* Reg_window offsets */
180	#define RW_V9_L0 0x00
181	#define RW_V9_L1 0x08
182	#define RW_V9_L2 0x10
183	#define RW_V9_L3 0x18
184	#define RW_V9_L4 0x20
185	#define RW_V9_L5 0x28
186	#define RW_V9_L6 0x30
187	#define RW_V9_L7 0x38
188	#define RW_V9_I0 0x40
189	#define RW_V9_I1 0x48
190	#define RW_V9_I2 0x50
191	#define RW_V9_I3 0x58
192	#define RW_V9_I4 0x60
193	#define RW_V9_I5 0x68
194	#define RW_V9_I6 0x70
195	#define RW_V9_I7 0x78
196
197	#define RW_L0 0x00
198	#define RW_L1 0x04
199	#define RW_L2 0x08
200	#define RW_L3 0x0c
201	#define RW_L4 0x10
202	#define RW_L5 0x14
203	#define RW_L6 0x18
204	#define RW_L7 0x1c
205	#define RW_I0 0x20
206	#define RW_I1 0x24
207	#define RW_I2 0x28
208	#define RW_I3 0x2c
209	#define RW_I4 0x30
210	#define RW_I5 0x34
211	#define RW_I6 0x38
212	#define RW_I7 0x3c
213
214	/* Stack_frame offsets */
215	#define SF_V9_L0 0x00
216	#define SF_V9_L1 0x08
217	#define SF_V9_L2 0x10
218	#define SF_V9_L3 0x18
219	#define SF_V9_L4 0x20
220	#define SF_V9_L5 0x28
221	#define SF_V9_L6 0x30
222	#define SF_V9_L7 0x38
223	#define SF_V9_I0 0x40
224	#define SF_V9_I1 0x48
225	#define SF_V9_I2 0x50
226	#define SF_V9_I3 0x58
227	#define SF_V9_I4 0x60
228	#define SF_V9_I5 0x68
229	#define SF_V9_FP 0x70
230	#define SF_V9_PC 0x78
231	#define SF_V9_RETP 0x80
232	#define SF_V9_XARG0 0x88
233	#define SF_V9_XARG1 0x90
234	#define SF_V9_XARG2 0x98
235	#define SF_V9_XARG3 0xa0
236	#define SF_V9_XARG4 0xa8
237	#define SF_V9_XARG5 0xb0
238	#define SF_V9_XXARG 0xb8
239
240	#define SF_L0 0x00
241	#define SF_L1 0x04
242	#define SF_L2 0x08
243	#define SF_L3 0x0c
244	#define SF_L4 0x10
245	#define SF_L5 0x14
246	#define SF_L6 0x18
247	#define SF_L7 0x1c
248	#define SF_I0 0x20
249	#define SF_I1 0x24
250	#define SF_I2 0x28
251	#define SF_I3 0x2c
252	#define SF_I4 0x30
253	#define SF_I5 0x34
254	#define SF_FP 0x38
255	#define SF_PC 0x3c
256	#define SF_RETP 0x40
257	#define SF_XARG0 0x44
258	#define SF_XARG1 0x48
259	#define SF_XARG2 0x4c
260	#define SF_XARG3 0x50
261	#define SF_XARG4 0x54
262	#define SF_XARG5 0x58
263	#define SF_XXARG 0x5c
264
265	/* Stuff for the ptrace system call */
1da177e4 LT	266	#define PTRACE_GETREGS 12
	267	#define PTRACE_SETREGS 13
	268	#define PTRACE_GETFPREGS 14
	269	#define PTRACE_SETFPREGS 15
	270	#define PTRACE_READDATA 16
	271	#define PTRACE_WRITEDATA 17
	272	#define PTRACE_READTEXT 18
	273	#define PTRACE_WRITETEXT 19
	274	#define PTRACE_GETFPAREGS 20
	275	#define PTRACE_SETFPAREGS 21
	276
	277	/* There are for debugging 64-bit processes, either from a 32 or 64 bit
	278	* parent. Thus their complements are for debugging 32-bit processes only.
	279	*/
	280
	281	#define PTRACE_GETREGS64 22
	282	#define PTRACE_SETREGS64 23
	283	/* PTRACE_SYSCALL is 24 */
	284	#define PTRACE_GETFPREGS64 25
	285	#define PTRACE_SETFPREGS64 26
	286
1da177e4	287	#endif /* !(_SPARC64_PTRACE_H) */