xref: /plan9/sys/lib/acid/arm (revision 23173ec17955c609738f37acefe0c6e72a169a75) 
1// ARM support
2
3defn acidinit()			// Called after all the init modules are loaded
4{
5	bplist = {};
6	bpfmt = 'X';
7
8	srcpath = {
9		"./",
10		"/sys/src/libc/port/",
11		"/sys/src/libc/9sys/",
12		"/sys/src/libc/arm/"
13	};
14
15	srcfiles = {};			// list of loaded files
16	srctext = {};			// the text of the files
17}
18
19defn linkreg(addr)
20{
21	return *R14;
22}
23
24defn stk()				// trace
25{
26	_stk(*PC, *SP, linkreg(0), 0);
27}
28
29defn lstk()				// trace with locals
30{
31	_stk(*PC, *SP, linkreg(0), 1);
32}
33
34defn gpr()			// print general purpose registers
35{
36	print("R0\t", *R0, " R1\t", *R1, " R2\t", *R2, "\n");
37	print("R3\t", *R3, " R4\t", *R4, " R5\t", *R5, "\n");
38	print("R6\t", *R6, " R7\t", *R7, " R8\t", *R8, "\n");
39	print("R9\t", *R9, " R10\t", *R10, " R11\t", *R11, "\n");
40	print("R12\t", *R12, " R13\t", *R13, " R14\t", *R14, "\n");
41	print("R15\t", *R15, "\n");
42}
43
44defn regs()				// print all registers
45{
46	gpr();
47}
48
49defn pstop(pid)
50{
51	local l;
52	local pc;
53
54	pc = *PC;
55
56	print(pid,": ", reason(*TYPE), "\t");
57	print(fmt(pc, 'a'), "\t", fmt(pc, 'i'), "\n");
58
59	if notes then {
60		if notes[0] != "sys: breakpoint" then {
61			print("Notes pending:\n");
62			l = notes;
63			while l do {
64				print("\t", head l, "\n");
65				l = tail l;
66			}
67		}
68	}
69}
70
71sizeofUreg=72;
72aggr Ureg
73{
74	'U' 0 r0;
75	'U' 4 r1;
76	'U' 8 r2;
77	'U' 12 r3;
78	'U' 16 r4;
79	'U' 20 r5;
80	'U' 24 r6;
81	'U' 28 r7;
82	'U' 32 r8;
83	'U' 36 r9;
84	'U' 40 r10;
85	'U' 44 r11;
86	'U' 48 r12;
87	'U' 52 r13;
88	'U' 56 r14;
89	'U' 60 type;
90	'U' 64 psr;
91	'U' 68 pc;
92};
93
94defn
95Ureg(addr) {
96	complex Ureg addr;
97	print("	r0	", addr.r0, "\n");
98	print("	r1	", addr.r1, "\n");
99	print("	r2	", addr.r2, "\n");
100	print("	r3	", addr.r3, "\n");
101	print("	r4	", addr.r4, "\n");
102	print("	r5	", addr.r5, "\n");
103	print("	r6	", addr.r6, "\n");
104	print("	r7	", addr.r7, "\n");
105	print("	r8	", addr.r8, "\n");
106	print("	r9	", addr.r9, "\n");
107	print("	r10	", addr.r10, "\n");
108	print("	r11	", addr.r11, "\n");
109	print("	r12	", addr.r12, "\n");
110	print("	r13	", addr.r13, "\n");
111	print("	r14	", addr.r14, "\n");
112	print("	type	", addr.type, "\n");
113	print("	psr	", addr.psr, "\n");
114	print("	pc	", addr.pc, "\n");
115};
116
117print("/sys/lib/acid/arm");
118