| 1 | /* Copyright (c) 1979 Regents of the University of California */ |
| 2 | |
| 3 | static char sccsid[] = "@(#)utilities.c 1.4 %G%"; |
| 4 | |
| 5 | #include "whoami.h" |
| 6 | #include "vars.h" |
| 7 | #include "panics.h" |
| 8 | #include "h02opcs.h" |
| 9 | |
| 10 | stats() |
| 11 | { |
| 12 | struct { |
| 13 | long usr_time; |
| 14 | long sys_time; |
| 15 | long child_usr_time; |
| 16 | long child_sys_time; |
| 17 | } tbuf; |
| 18 | register double l; |
| 19 | register long count; |
| 20 | # ifdef PROFILE |
| 21 | # define proffile "/vb/grad/mckusick/px/profile/pcnt.out" |
| 22 | struct cntrec { |
| 23 | double counts[NUMOPS]; /* instruction counts */ |
| 24 | long runs; /* number of interpreter runs */ |
| 25 | long startdate; /* date profile started */ |
| 26 | long usrtime; /* total user time consumed */ |
| 27 | long systime; /* total system time consumed */ |
| 28 | double stmts; /* number of pascal stmts executed */ |
| 29 | } profdata; |
| 30 | FILE *datafile; |
| 31 | # endif PROFILE |
| 32 | |
| 33 | if (_nodump) |
| 34 | return(0); |
| 35 | times(&tbuf); |
| 36 | # ifdef PROFILE |
| 37 | datafile = fopen(proffile,"r"); |
| 38 | if (datafile == NULL) |
| 39 | goto skipprof; |
| 40 | count = fread(&profdata,1,sizeof(profdata),datafile); |
| 41 | if (count != sizeof(profdata)) |
| 42 | goto skipprof; |
| 43 | for (count = 0; count < NUMOPS; count++) |
| 44 | profdata.counts[count] += _profcnts[count]; |
| 45 | profdata.runs += 1; |
| 46 | profdata.stmts += _stcnt; |
| 47 | profdata.usrtime += tbuf.usr_time; |
| 48 | profdata.systime += tbuf.sys_time; |
| 49 | datafile = freopen(proffile,"w",datafile); |
| 50 | if (datafile == NULL) |
| 51 | goto skipprof; |
| 52 | count = fwrite(&profdata,1,sizeof(profdata),datafile); |
| 53 | if (count != sizeof(profdata)) |
| 54 | goto skipprof; |
| 55 | fclose(datafile); |
| 56 | skipprof: |
| 57 | # endif PROFILE |
| 58 | l = tbuf.usr_time; |
| 59 | l = l / HZ; |
| 60 | fprintf(stderr, |
| 61 | "\n%1ld statements executed in %04.2f seconds cpu time.\n", |
| 62 | _stcnt,l); |
| 63 | } |
| 64 | \f |
| 65 | backtrace(errnum) |
| 66 | int errnum; |
| 67 | { |
| 68 | register struct disp *mydp; |
| 69 | register struct stack *ap; |
| 70 | register char *cp; |
| 71 | register long i, linum; |
| 72 | struct disply disp; |
| 73 | |
| 74 | if (_lino <= 0) { |
| 75 | fputs("Program was not executed.\n",stderr); |
| 76 | return; |
| 77 | } |
| 78 | disp = _display; |
| 79 | if (errnum == PINTR) |
| 80 | fputs("\n\tInterrupted in \"",stderr); |
| 81 | else if (errnum == PHALT) |
| 82 | fputs("\n\tHalted in \"",stderr); |
| 83 | else |
| 84 | fputs("\n\tError in \"",stderr); |
| 85 | mydp = _dp; |
| 86 | linum = _lino; |
| 87 | for (;;) { |
| 88 | ap = mydp->stp; |
| 89 | i = linum - (((ap)->entry)->offset & 0177777); |
| 90 | fprintf(stderr,"%s\"",(ap->entry)->name); |
| 91 | if (_nodump == FALSE) |
| 92 | fprintf(stderr,"+%D near line %D.",i,linum); |
| 93 | fputc('\n',stderr); |
| 94 | *mydp = (ap)->odisp; |
| 95 | if (mydp <= &_display.frame[1]){ |
| 96 | _display = disp; |
| 97 | psexit(errnum); |
| 98 | } |
| 99 | mydp = (ap)->dp; |
| 100 | linum = (ap)->lino; |
| 101 | fputs("\tCalled by \"",stderr); |
| 102 | } |
| 103 | } |
| 104 | \f |
| 105 | psexit(code) |
| 106 | |
| 107 | int code; |
| 108 | { |
| 109 | if (_pcpcount != 0) |
| 110 | PMFLUSH(_cntrs, _rtns, _pcpcount); |
| 111 | if (_mode == PIX) { |
| 112 | fputs("Execution terminated",stderr); |
| 113 | if (code) |
| 114 | fputs(" abnormally",stderr); |
| 115 | fputc('.',stderr); |
| 116 | fputc('\n',stderr); |
| 117 | } |
| 118 | stats(); |
| 119 | exit(code); |
| 120 | } |