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gerrit-public.fairphone.software / kernel / msm-4.9 / c679eef0520eb3c2c731fce505e61b8ef9469aac / . / include / asm-cris / arch-v32 / ptrace.h
blob: 41f4e8662bc2555c6c18f66071a9902577ab1312 [file] [log] [blame]
Mikael Starvik51533b62005-07-27 11:44:44 -0700[diff] [blame]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
56struct 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
95struct 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
Adrian Bunkf22ab812008-07-25 01:47:34 -0700[diff] [blame]109#ifdef __KERNEL__
110
Mikael Starvik51533b62005-07-27 11:44:44 -0700[diff] [blame]111#define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
112#define instruction_pointer(regs) ((regs)->erp)
113extern void show_regs(struct pt_regs *);
114#define profile_pc(regs) instruction_pointer(regs)
115
Adrian Bunkf22ab812008-07-25 01:47:34 -0700[diff] [blame]116#endif /* __KERNEL__ */
117
Mikael Starvik51533b62005-07-27 11:44:44 -0700[diff] [blame]118#endif