[net-next-2.6.git] / arch / cris / include / arch-v32 / arch / ptrace.h

#ifndef _CRIS_ARCH_PTRACE_H
#define _CRIS_ARCH_PTRACE_H

/* Register numbers in the ptrace system call interface */

#define PT_ORIG_R10  0
#define PT_R0        1
#define PT_R1        2
#define PT_R2        3
#define PT_R3        4
#define PT_R4        5
#define PT_R5        6
#define PT_R6        7
#define PT_R7        8
#define PT_R8        9
#define PT_R9        10
#define PT_R10       11
#define PT_R11       12
#define PT_R12       13
#define PT_R13       14
#define PT_ACR       15
#define PT_SRS       16
#define PT_MOF       17
#define PT_SPC       18
#define PT_CCS       19
#define PT_SRP       20
#define PT_ERP       21    /* This is actually the debugged process' PC */
#define PT_EXS       22
#define PT_EDA       23
#define PT_USP       24    /* special case - USP is not in the pt_regs */
#define PT_PPC       25    /* special case - pseudo PC */
#define PT_BP        26    /* Base number for BP registers. */
#define PT_BP_CTRL   26    /* BP control register. */
#define PT_MAX       40

/* Condition code bit numbers. */
#define C_CCS_BITNR 0
#define V_CCS_BITNR 1
#define Z_CCS_BITNR 2
#define N_CCS_BITNR 3
#define X_CCS_BITNR 4
#define I_CCS_BITNR 5
#define U_CCS_BITNR 6
#define P_CCS_BITNR 7
#define R_CCS_BITNR 8
#define S_CCS_BITNR 9
#define M_CCS_BITNR 30
#define Q_CCS_BITNR 31
#define CCS_SHIFT   10 /* Shift count for each level in CCS */

/* pt_regs not only specifices the format in the user-struct during
 * ptrace but is also the frame format used in the kernel prologue/epilogues
 * themselves
 */

struct pt_regs {
	unsigned long orig_r10;
	/* pushed by movem r13, [sp] in SAVE_ALL. */
	unsigned long r0;
	unsigned long r1;
	unsigned long r2;
	unsigned long r3;
	unsigned long r4;
	unsigned long r5;
	unsigned long r6;
	unsigned long r7;
	unsigned long r8;
	unsigned long r9;
	unsigned long r10;
	unsigned long r11;
	unsigned long r12;
	unsigned long r13;
	unsigned long acr;
	unsigned long srs;
	unsigned long mof;
	unsigned long spc;
	unsigned long ccs;
	unsigned long srp;
	unsigned long erp; /* This is actually the debugged process' PC */
	/* For debugging purposes; saved only when needed. */
	unsigned long exs;
	unsigned long eda;
};

/* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)
 * when doing a context-switch. it is used (apart from in resume) when a new
 * thread is made and we need to make _resume (which is starting it for the
 * first time) realise what is going on.
 *
 * Actually, the use is very close to the thread struct (TSS) in that both the
 * switch_stack and the TSS are used to keep thread stuff when switching in
 * _resume.
 */

struct switch_stack {
	unsigned long r0;
	unsigned long r1;
	unsigned long r2;
	unsigned long r3;
	unsigned long r4;
	unsigned long r5;
	unsigned long r6;
	unsigned long r7;
	unsigned long r8;
	unsigned long r9;
	unsigned long return_ip; /* ip that _resume will return to */
};

#ifdef __KERNEL__

#define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
#define instruction_pointer(regs) ((regs)->erp)
extern void show_regs(struct pt_regs *);
#define profile_pc(regs) instruction_pointer(regs)

#endif  /*  __KERNEL__  */

#endif
Commit	Line	Data
51533b61 MS	1	#ifndef _CRIS_ARCH_PTRACE_H
	2	#define _CRIS_ARCH_PTRACE_H
	3
	4	/* Register numbers in the ptrace system call interface */
	5
	6	#define PT_ORIG_R10 0
	7	#define PT_R0 1
	8	#define PT_R1 2
	9	#define PT_R2 3
	10	#define PT_R3 4
	11	#define PT_R4 5
	12	#define PT_R5 6
	13	#define PT_R6 7
	14	#define PT_R7 8
	15	#define PT_R8 9
	16	#define PT_R9 10
	17	#define PT_R10 11
	18	#define PT_R11 12
	19	#define PT_R12 13
	20	#define PT_R13 14
	21	#define PT_ACR 15
	22	#define PT_SRS 16
	23	#define PT_MOF 17
	24	#define PT_SPC 18
	25	#define PT_CCS 19
	26	#define PT_SRP 20
	27	#define PT_ERP 21 /* This is actually the debugged process' PC */
	28	#define PT_EXS 22
	29	#define PT_EDA 23
	30	#define PT_USP 24 /* special case - USP is not in the pt_regs */
	31	#define PT_PPC 25 /* special case - pseudo PC */
	32	#define PT_BP 26 /* Base number for BP registers. */
	33	#define PT_BP_CTRL 26 /* BP control register. */
	34	#define PT_MAX 40
	35
	36	/* Condition code bit numbers. */
	37	#define C_CCS_BITNR 0
	38	#define V_CCS_BITNR 1
	39	#define Z_CCS_BITNR 2
	40	#define N_CCS_BITNR 3
	41	#define X_CCS_BITNR 4
	42	#define I_CCS_BITNR 5
	43	#define U_CCS_BITNR 6
	44	#define P_CCS_BITNR 7
	45	#define R_CCS_BITNR 8
	46	#define S_CCS_BITNR 9
	47	#define M_CCS_BITNR 30
	48	#define Q_CCS_BITNR 31
	49	#define CCS_SHIFT 10 /* Shift count for each level in CCS */
	50
	51	/* pt_regs not only specifices the format in the user-struct during
	52	* ptrace but is also the frame format used in the kernel prologue/epilogues
	53	* themselves
	54	*/
	55
	56	struct pt_regs {
	57	unsigned long orig_r10;
	58	/* pushed by movem r13, [sp] in SAVE_ALL. */
	59	unsigned long r0;
	60	unsigned long r1;
	61	unsigned long r2;
	62	unsigned long r3;
	63	unsigned long r4;
	64	unsigned long r5;
65	unsigned long r6;
66	unsigned long r7;
67	unsigned long r8;
68	unsigned long r9;
69	unsigned long r10;
70	unsigned long r11;
71	unsigned long r12;
72	unsigned long r13;
73	unsigned long acr;
74	unsigned long srs;
75	unsigned long mof;
76	unsigned long spc;
77	unsigned long ccs;
78	unsigned long srp;
79	unsigned long erp; /* This is actually the debugged process' PC */
80	/* For debugging purposes; saved only when needed. */
81	unsigned long exs;
82	unsigned long eda;
83	};
84
85	/* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)
86	* when doing a context-switch. it is used (apart from in resume) when a new
87	* thread is made and we need to make _resume (which is starting it for the
88	* first time) realise what is going on.
89	*
90	* Actually, the use is very close to the thread struct (TSS) in that both the
91	* switch_stack and the TSS are used to keep thread stuff when switching in
92	* _resume.
93	*/
94
95	struct switch_stack {
96	unsigned long r0;
97	unsigned long r1;
98	unsigned long r2;
99	unsigned long r3;
100	unsigned long r4;
101	unsigned long r5;
102	unsigned long r6;
103	unsigned long r7;
104	unsigned long r8;
105	unsigned long r9;
106	unsigned long return_ip; /* ip that _resume will return to */
107	};
108
f22ab814 AB	109	#ifdef __KERNEL__
f22ab814 AB	110
51533b61 MS	111	#define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
	112	#define instruction_pointer(regs) ((regs)->erp)
	113	extern void show_regs(struct pt_regs *);
	114	#define profile_pc(regs) instruction_pointer(regs)
	115
f22ab814 AB	116	#endif /* __KERNEL__ */
f22ab814 AB	117
51533b61	118	#endif