projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 6c027037 ML |
1 | /* Copyright (c) 1982 Regents of the University of California */ |
| 2 | ||
| 3 | static char sccsid[] = "@(#)status.c 1.1 %G%"; | |
| 4 | ||
| 5 | /* | |
| 6 | * Print out what's currently being traced by looking at | |
| 7 | * the currently active breakpoints. | |
| 8 | * | |
| 9 | * The list is in LIFO order, we print it FIFO by going recursive. | |
| 10 | */ | |
| 11 | ||
| 12 | #include "defs.h" | |
| 13 | #include "breakpoint.h" | |
| 14 | #include "tree.h" | |
| 15 | #include "sym.h" | |
| 16 | #include "source.h" | |
| 17 | #include "object.h" | |
| 18 | #include "mappings.h" | |
| 19 | #include "bp.rep" | |
| 20 | ||
| 21 | #define printnum(id) if (!isredirected()) printf("(%d) ", id) | |
| 22 | ||
| 23 | status() | |
| 24 | { | |
| 25 | if (bphead == NIL) { | |
| 26 | if (!isredirected()) { | |
| 27 | printf("no trace's or stop's active\n"); | |
| 28 | } | |
| 29 | } else { | |
| 30 | bpstatus(bphead); | |
| 31 | } | |
| 32 | } | |
| 33 | ||
| 34 | LOCAL bpstatus(bp) | |
| 35 | BPINFO *bp; | |
| 36 | { | |
| 37 | register BPINFO *p; | |
| 38 | LINENO n; | |
| 39 | SYM *s; | |
| 40 | NODE *t; | |
| 41 | char *trname, *stname; | |
| 42 | ||
| 43 | p = bp; | |
| 44 | if (p->bpnext != NIL) { | |
| 45 | bpstatus(p->bpnext); | |
| 46 | } | |
| 47 | t = p->bpnode; | |
| 48 | if (p->bpline >= 0) { | |
| 49 | n = linelookup(p->bpaddr); | |
| 50 | trname = "trace"; | |
| 51 | stname = "stop"; | |
| 52 | } else { | |
| 53 | n = p->bpaddr; | |
| 54 | trname = "tracei"; | |
| 55 | stname = "stopi"; | |
| 56 | } | |
| 57 | switch(p->bptype) { | |
| 58 | case INST: | |
| 59 | printnum(p->bpid); | |
| 60 | printf("%s %d", trname, n); | |
| 61 | break; | |
| 62 | ||
| 63 | case ALL_ON: | |
| 64 | printnum(p->bpid); | |
| 65 | printf("%s", trname); | |
| 66 | s = p->bpblock; | |
| 67 | if (s != program) { | |
| 68 | printf(" in "); | |
| 69 | printname(s); | |
| 70 | } | |
| 71 | break; | |
| 72 | ||
| 73 | case STOP_ON: | |
| 74 | printnum(p->bpid); | |
| 75 | printf("%s", stname); | |
| 76 | if (t != NIL) { | |
| 77 | printf(" "); | |
| 78 | prtree(t); | |
| 79 | } | |
| 80 | s = p->bpblock; | |
| 81 | if (s != program) { | |
| 82 | printf(" in "); | |
| 83 | printname(s); | |
| 84 | } | |
| 85 | break; | |
| 86 | ||
| 87 | case BLOCK_ON: | |
| 88 | case TERM_ON: | |
| 89 | s = p->bpblock; | |
| 90 | printnum(p->bpid); | |
| 91 | printf("%s ", trname); | |
| 92 | prtree(t); | |
| 93 | if (s != program) { | |
| 94 | printf(" in "); | |
| 95 | printname(s); | |
| 96 | } | |
| 97 | break; | |
| 98 | ||
| 99 | case AT_BP: | |
| 100 | printnum(p->bpid); | |
| 101 | printf("%s ", trname); | |
| 102 | prtree(t); | |
| 103 | printf(" at %d", p->bpline); | |
| 104 | break; | |
| 105 | ||
| 106 | case STOP_BP: | |
| 107 | printnum(p->bpid); | |
| 108 | printf("%s", stname); | |
| 109 | if (t != NIL) { | |
| 110 | printf(" "); | |
| 111 | prtree(t); | |
| 112 | } else if ((s = p->bpblock) != NIL) { | |
| 113 | printf(" in "); | |
| 114 | printname(s); | |
| 115 | } else if (p->bpline > 0) { | |
| 116 | printf(" at %d", p->bpline); | |
| 117 | } else { | |
| 118 | printf(" at %d", p->bpaddr); | |
| 119 | } | |
| 120 | break; | |
| 121 | ||
| 122 | /* | |
| 123 | * Temporary breakpoints; | |
| 124 | * return rather than break to avoid printing newline. | |
| 125 | */ | |
| 126 | case ALL_OFF: | |
| 127 | case CALL: | |
| 128 | case RETURN: | |
| 129 | case CALLPROC: | |
| 130 | case STOP_OFF: | |
| 131 | case BLOCK_OFF: | |
| 132 | case TERM_OFF: | |
| 133 | case END_BP: | |
| 134 | return; | |
| 135 | ||
| 136 | default: | |
| 137 | panic("bptype %d in bplist", p->bptype); | |
| 138 | } | |
| 139 | if (p->bpcond != NIL) { | |
| 140 | printf(" if "); | |
| 141 | prtree(p->bpcond); | |
| 142 | } | |
| 143 | printf("\n"); | |
| 144 | } | |
| 145 | ||
| 146 | /* | |
| 147 | * Print the name of a symbol unambigously. | |
| 148 | */ | |
| 149 | ||
| 150 | LOCAL printname(s) | |
| 151 | SYM *s; | |
| 152 | { | |
| 153 | if (isambiguous(s)) { | |
| 154 | printwhich(s); | |
| 155 | } else { | |
| 156 | printf("%s", name(s)); | |
| 157 | } | |
| 158 | } |