[mirror_ubuntu-bionic-kernel.git] / arch / cris / include / uapi / asm / ptrace_v32.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#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 arch_has_single_step() (1)
#define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
#define instruction_pointer(regs) ((regs)->erp)
#define profile_pc(regs) instruction_pointer(regs)

#endif  /*  __KERNEL__  */

#endif
Commit	Line	Data
6f52b16c	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
51533b61 MS	2	#ifndef _CRIS_ARCH_PTRACE_H
	3	#define _CRIS_ARCH_PTRACE_H
	4
	5	/* Register numbers in the ptrace system call interface */
	6
	7	#define PT_ORIG_R10 0
	8	#define PT_R0 1
	9	#define PT_R1 2
	10	#define PT_R2 3
	11	#define PT_R3 4
	12	#define PT_R4 5
	13	#define PT_R5 6
	14	#define PT_R6 7
	15	#define PT_R7 8
	16	#define PT_R8 9
	17	#define PT_R9 10
	18	#define PT_R10 11
	19	#define PT_R11 12
	20	#define PT_R12 13
	21	#define PT_R13 14
	22	#define PT_ACR 15
	23	#define PT_SRS 16
	24	#define PT_MOF 17
	25	#define PT_SPC 18
	26	#define PT_CCS 19
	27	#define PT_SRP 20
	28	#define PT_ERP 21 /* This is actually the debugged process' PC */
	29	#define PT_EXS 22
	30	#define PT_EDA 23
	31	#define PT_USP 24 /* special case - USP is not in the pt_regs */
	32	#define PT_PPC 25 /* special case - pseudo PC */
	33	#define PT_BP 26 /* Base number for BP registers. */
	34	#define PT_BP_CTRL 26 /* BP control register. */
	35	#define PT_MAX 40
	36
	37	/* Condition code bit numbers. */
	38	#define C_CCS_BITNR 0
	39	#define V_CCS_BITNR 1
	40	#define Z_CCS_BITNR 2
	41	#define N_CCS_BITNR 3
	42	#define X_CCS_BITNR 4
	43	#define I_CCS_BITNR 5
	44	#define U_CCS_BITNR 6
	45	#define P_CCS_BITNR 7
	46	#define R_CCS_BITNR 8
	47	#define S_CCS_BITNR 9
	48	#define M_CCS_BITNR 30
	49	#define Q_CCS_BITNR 31
	50	#define CCS_SHIFT 10 /* Shift count for each level in CCS */
	51
	52	/* pt_regs not only specifices the format in the user-struct during
	53	* ptrace but is also the frame format used in the kernel prologue/epilogues
	54	* themselves
	55	*/
	56
	57	struct pt_regs {
	58	unsigned long orig_r10;
	59	/* pushed by movem r13, [sp] in SAVE_ALL. */
	60	unsigned long r0;
	61	unsigned long r1;
	62	unsigned long r2;
	63	unsigned long r3;
	64	unsigned long r4;
	65	unsigned long r5;
66	unsigned long r6;
67	unsigned long r7;
68	unsigned long r8;
69	unsigned long r9;
70	unsigned long r10;
71	unsigned long r11;
72	unsigned long r12;
73	unsigned long r13;
74	unsigned long acr;
75	unsigned long srs;
76	unsigned long mof;
77	unsigned long spc;
78	unsigned long ccs;
79	unsigned long srp;
80	unsigned long erp; /* This is actually the debugged process' PC */
81	/* For debugging purposes; saved only when needed. */
82	unsigned long exs;
83	unsigned long eda;
84	};
85
86	/* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)
87	* when doing a context-switch. it is used (apart from in resume) when a new
88	* thread is made and we need to make _resume (which is starting it for the
89	* first time) realise what is going on.
90	*
91	* Actually, the use is very close to the thread struct (TSS) in that both the
92	* switch_stack and the TSS are used to keep thread stuff when switching in
93	* _resume.
94	*/
95
96	struct switch_stack {
97	unsigned long r0;
98	unsigned long r1;
99	unsigned long r2;
100	unsigned long r3;
101	unsigned long r4;
102	unsigned long r5;
103	unsigned long r6;
104	unsigned long r7;
105	unsigned long r8;
106	unsigned long r9;
107	unsigned long return_ip; /* ip that _resume will return to */
108	};
109
f22ab814 AB	110	#ifdef __KERNEL__
f22ab814 AB	111
290ba3ae	112	#define arch_has_single_step() (1)
51533b61 MS	113	#define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
51533b61 MS	114	#define instruction_pointer(regs) ((regs)->erp)
51533b61 MS	115	#define profile_pc(regs) instruction_pointer(regs)
51533b61 MS	116
f22ab814 AB	117	#endif /* __KERNEL__ */
f22ab814 AB	118
51533b61	119	#endif