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d94e2462 M |
1 | # |
2 | /* | |
3 | * | |
4 | * UNIX debugger - common definitions | |
5 | * | |
6 | */ | |
7 | ||
8 | ||
9 | ||
10 | /* Layout of a.out file (fsym): | |
11 | * | |
12 | * header of 8 words magic number 405, 407, 410, 411 | |
13 | * text size ) | |
14 | * data size ) in bytes but even | |
15 | * bss size ) | |
16 | * symbol table size | |
17 | * entry point | |
18 | * {unused} | |
19 | * flag set if no relocation | |
20 | * | |
21 | * | |
22 | * header: 0 | |
23 | * text: 16 | |
24 | * data: 16+textsize | |
25 | * relocation: 16+textsize+datasize | |
26 | * symbol table: 16+2*(textsize+datasize) or 16+textsize+datasize | |
27 | * | |
28 | */ | |
29 | ||
30 | ||
31 | #include <sys/param.h> | |
32 | #include <sys/dir.h> | |
33 | #include <sys/reg.h> | |
34 | #include <sys/user.h> | |
35 | #include <sgtty.h> | |
36 | #include "mac.h" | |
37 | #include "mode.h" | |
38 | ||
39 | ||
40 | #define VARB 11 | |
41 | #define VARD 13 | |
42 | #define VARE 14 | |
43 | #define VARM 22 | |
44 | #define VARS 28 | |
45 | #define VART 29 | |
46 | ||
47 | #define COREMAGIC 0140000 | |
48 | ||
49 | #define RD 0 | |
50 | #define WT 1 | |
51 | #define NSP 0 | |
52 | #define ISP 1 | |
53 | #define DSP 2 | |
54 | #define STAR 4 | |
55 | #define STARCOM 0200 | |
56 | #define DSYM 7 | |
57 | #define ISYM 2 | |
58 | #define ASYM 1 | |
59 | #define NSYM 0 | |
60 | #define ESYM (-1) | |
61 | #define BKPTSET 1 | |
62 | #define BKPTEXEC 2 | |
63 | #define SYMSIZ 100 | |
64 | #define MAXSIG 20 | |
65 | ||
66 | #define USERPS 2*(512-1) | |
67 | #define USERPC 2*(512-2) | |
68 | #define BPT 03 | |
69 | #define FD 0200 | |
70 | #define SETTRC 0 | |
71 | #define RDUSER 2 | |
72 | #define RIUSER 1 | |
73 | #define WDUSER 5 | |
74 | #define WIUSER 4 | |
75 | #define RUREGS 3 | |
76 | #define WUREGS 6 | |
77 | #define CONTIN 7 | |
78 | #define SINGLE 9 | |
79 | #define EXIT 8 | |
80 | ||
81 | #define FROFF (&(0->fpsr)) | |
82 | #define FRLEN 25 | |
83 | #define FRMAX 6 | |
84 | ||
85 | #define ps -1 | |
86 | #define pc -2 | |
87 | #define sp -6 | |
88 | #define r5 -9 | |
89 | #define r4 -10 | |
90 | #define r3 -11 | |
91 | #define r2 -12 | |
92 | #define r1 -5 | |
93 | #define r0 -3 | |
94 | ||
95 | #define MAXOFF 255 | |
96 | #define MAXPOS 80 | |
97 | #define MAXLIN 128 | |
98 | #define EOF 0 | |
99 | #define EOR '\n' | |
100 | #define TB '\t' | |
101 | #define QUOTE 0200 | |
102 | #define STRIP 0177 | |
103 | #define LOBYTE 0377 | |
104 | #define EVEN -2 | |
105 | ||
106 | ||
107 | /* long to ints and back (puns) */ | |
108 | union { | |
109 | INT I[2]; | |
110 | L_INT L; | |
111 | } itolws; | |
112 | ||
113 | #define leng(a) ((long)((unsigned)(a))) | |
114 | #define shorten(a) ((int)(a)) | |
115 | #define itol(a,b) (itolws.I[0]=(a), itolws.I[1]=(b), itolws.L) | |
116 | ||
117 | ||
118 | ||
119 | /* result type declarations */ | |
120 | L_INT inkdot(); | |
121 | SYMPTR lookupsym(); | |
122 | SYMPTR symget(); | |
123 | POS get(); | |
124 | POS chkget(); | |
125 | STRING exform(); | |
126 | L_INT round(); | |
127 | BKPTR scanbkpt(); | |
128 | VOID fault(); | |
129 | ||
130 | typedef struct sgttyb TTY; | |
131 | TTY adbtty, usrtty; | |
132 | #include <setjmp.h> | |
133 | jmp_buf erradb; |