572 lines
15 KiB
C
572 lines
15 KiB
C
/*************************************************************************
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* *
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* YAP Prolog @(#)amidefs.h 1.3 3/15/90
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: tracer.h *
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* Last rev: *
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* mods: *
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* comments: definitions for low level tracer *
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* *
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*************************************************************************/
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#include "Yap.h"
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#ifdef LOW_LEVEL_TRACER
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#include "YapHeap.h"
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#include "YapText.h"
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#include "Yatom.h"
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#include "attvar.h"
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#include "clause.h"
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#include "iopreds.h"
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#include "tracer.h"
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#include "yapio.h"
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static char *send_tracer_message(char *start, char *name, arity_t arity,
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char *mname, CELL *args, char **s0, char *s,
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char **top) {
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bool expand = false;
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size_t max = *top - (s + 1);
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int d, min = 1024;
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char *s1 = s;
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do {
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if (expand || max < 32) {
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Int cbeg = s1 - *s0;
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max = *top - *s0;
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max += min;
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*s0 = Realloc(*s0, max);
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*top = *s0 + max;
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max--;
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s1 = *s0 + cbeg;
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s = s1;
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expand = false;
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}
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min = 1024;
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if (name == NULL) {
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#ifdef YAPOR
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d = snprintf(s, max, "(%d)%s", worker_id, start);
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#else
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d = snprintf(s, max, "%s", start);
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#endif
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} else {
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if (arity) {
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if (args)
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d = snprintf(s, max, "%s %s:%s(", start, mname, name);
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else
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d = snprintf(s, max, "%s %s:%s/%lu", start, mname, name,
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(unsigned long int)arity);
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} else {
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d = snprintf(s, max, "%s %s:%s", start, mname, name);
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}
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}
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if (d >= max) {
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expand = true;
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min = d + 1024;
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continue;
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}
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max -= d;
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s += d;
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if (args) {
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int i;
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for (i = 0; i < arity; i++) {
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if (i > 0) {
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if (max > 16) {
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*s++ = ',';
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*s++ = ' ';
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max -= 2;
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} else {
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expand = true;
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continue;
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}
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}
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const char *sn = Yap_TermToBuffer(args[i],
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Handle_cyclics_f|Quote_illegal_f | Handle_vars_f);
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size_t sz;
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if (sn == NULL) {
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sn = malloc(strlen("<* error *>")+1);
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strcpy((char*)sn, "<* error *>");
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}
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sz = strlen(sn);
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if (max <= sz) {
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min = sz + 1024;
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expand = true;
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continue;
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}
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strcpy(s, sn);
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sn = NULL;
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s += sz;
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max -= sz;
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}
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if (arity) {
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*s++ = ' ';
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*s++ = ')';
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max -= 2;
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}
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}
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} while (expand);
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s[0] = '\0';
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return s;
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}
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#if defined(__GNUC__) || defined(__clang__)
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unsigned long long vsc_count;
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#else
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unsigned long vsc_count;
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#endif
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#if THREADS
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static int thread_trace;
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#endif
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/*
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static int
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check_trail_consistency(void) {
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tr_fr_ptr ptr = TR;
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while (ptr > (CELL *)LOCAL_TrailBase) {
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ptr = --ptr;
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if (!IsVarTerm(TrailTerm(ptr))) {
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if (IsApplTerm(TrailTerm(ptr))) {
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CELL *cptr = (CELL *)ptr;
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ptr = (tr_fr_ptr)(cptr-1);
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} else {
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if (IsPairTerm(TrailTerm(ptr))) {
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CELL *p = RepPair(TrailTerm(ptr));
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if IsAttVar(p) continue;
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}
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printf("Oops at call %ld, B->cp(%p) TR(%p) pt(%p)\n",
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vsc_count,B->cp_tr, TR, ptr);
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return(FALSE);
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}
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}
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}
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return(TRUE);
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}
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*/
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volatile int v;
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CELL old_value = 0L, old_value2 = 0L;
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void jmp_deb(int), jmp_deb2(void);
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void jmp_deb2(void) { fprintf(stderr, "Here\n"); }
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void jmp_deb(int i) {
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if (i)
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printf("Here we go " Int_FORMAT "\n", old_value++);
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if (old_value == 716)
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jmp_deb2();
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}
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struct various_codes *sc;
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/*
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CELL array[332];
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int found = FALSE;
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static void
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check_area(void)
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{
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int i, first = -1;
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for (i= 0; i < 332; i++) {
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if (array[i] !=((CELL *)0x187a800)[i]) {
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if (first != -1) {
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first = i;
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found = TRUE;
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}
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fprintf(stderr,"%lld changed %d\n",vsc_count,i);
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}
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array[i] = ((CELL *)0x187a800)[i];
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}
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if (first != -1)
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jmp_deb(i);
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}
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*/
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// PredEntry *old_p[10000];
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// Term old_x1[10000], old_x2[10000], old_x3[10000];
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// static CELL oldv = 0;
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bool low_level_trace__(yap_low_level_port port, PredEntry *pred, CELL *args) {
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CACHE_REGS
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char *s;
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char *mname;
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Int arity;
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int l = push_text_stack();
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/* extern int gc_calls; */
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vsc_count++;
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//fprintf(stderr,"%p-%p\n",B->cp_tr,TR);
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// if (HR < ASP ) return;
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// fif (vsc_count == 12534) jmp_deb( 2 );
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char *buf = Malloc(512), *top = buf + 511, *b = buf;
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// if (!worker_id) return;
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LOCK(Yap_low_level_trace_lock);
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sc = Yap_heap_regs;
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// if (vsc_count == 161862) jmp_deb(1);
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#ifdef THREADS
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LOCAL_ThreadHandle.thread_inst_count++;
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#endif
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#ifdef COMMENTED
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b = snprintf(b, top - b, "in %p\n");
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CELL *gc_ENV = ENV;
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while (gc_ENV != NULL) { /* no more environments */
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b = snprintf(b, top - b, "%ld\n", LCL0 - gc_ENV);
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gc_ENV = (CELL *)gc_ENV[E_E]; /* link to prev
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* environment */
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}
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return;
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{
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choiceptr b_p = B;
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while (b_p) {
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b = snprintf(b, top - b, "%p %ld\n", b_p,
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Yap_op_from_opcode(b_p->cp_ap->opc));
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b_p = b_p->cp_b;
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}
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}
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{
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choiceptr myB = B;
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while (myB)
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myB = myB->cp_b;
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}
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//*(H0+(0xb65f2850-0xb64b2008)/sizeof(CELL))==0xc ||
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// 0x4fd4d
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if (vsc_count > 1388060LL && vsc_count < 1388070LL) {
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if (vsc_count == 1388061LL)
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jmp_deb(1);
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if (vsc_count % 1LL == 0) {
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UInt sz = Yap_regp->H0_[17];
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UInt end = sizeof(MP_INT) / sizeof(CELL) + sz + 1;
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b = snprintf(b, top - b, "VAL %lld %d %x/%x\n", vsc_count, sz, H0[16],
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H0[16 + end]);
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}
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} else
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return;
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{
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tr_fr_ptr pt = (tr_fr_ptr)LOCAL_TrailBase;
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if (pt[140].term == 0 && pt[140].value != 0)
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jmp_deb(1);
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}
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if (worker_id != 04 || worker_id != 03)
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return;
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// if (vsc_count == 218280)
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// vsc_xstop = 1;
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if (vsc_count < 1468068888) {
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UNLOCK(Yap_heap_regs->low_level_trace_lock);
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return;
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}
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if (port != enter_pred || !pred || pred->ArityOfPE != 4 ||
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strcmp(RepAtom(NameOfFunctor(pred->FunctorOfPred))->StrOfAE,
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"in_between_target_phrases")) {
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UNLOCK(Yap_heap_regs->low_level_trace_lock);
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return;
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}
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if (vsc_count < 1246949400LL) {
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UNLOCK(Yap_heap_regs->low_level_trace_lock);
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return;
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}
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if (vsc_count == 1246949493LL)
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vsc_xstop = TRUE;
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if (vsc_count < 5646100000LL) {
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UNLOCK(Yap_heap_regs->low_level_trace_lock);
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return;
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}
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if (vsc_count == 5646100441LL)
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vsc_xstop = TRUE;
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if (vsc_count < 2923351500LL) {
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UNLOCK(Yap_heap_regs->low_level_trace_lock);
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return;
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}
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if (vsc_count == 123536441LL)
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vsc_xstop = 1;
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if (vsc_count < 5530257LL) {
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UNLOCK(Yap_heap_regs->low_level_trace_lock);
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return;
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}
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if (vsc_count == 9414280LL) {
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vsc_xstop = TRUE;
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}
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if (vsc_count < 3399741LL) {
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UNLOCK(Yap_heap_regs->low_level_trace_lock);
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return;
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}
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if (TR_FZ > TR)
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jmp_deb(1);
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{
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tr_fr_ptr pt = (tr_fr_ptr)LOCAL_TrailBase;
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if (pt[153].term == 0 && pt[153].value == 0 && pt[154].term != 0 &&
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pt[154].value != 0 && (TR > pt + 154 || TR_FZ > pt + 154))
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jmp_deb(2);
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if (pt[635].term == 0 && pt[635].value == 0 && pt[636].term != 0 &&
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pt[636].value != 0 && (TR > pt + 636 || TR_FZ > pt + 636))
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jmp_deb(3);
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if (pt[138].term == 0 && pt[138].value == 0 && pt[139].term != 0 &&
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pt[139].value != 0 && (TR > pt + 138 || TR_FZ > pt + 138))
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jmp_deb(4);
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}
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if (vsc_count == 287939LL)
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jmp_deb(1);
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if (vsc_count == 173118LL)
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jmp_deb(1);
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if (!(vsc_count >= 287934LL && vsc_count <= 287939LL) &&
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!(vsc_count >= 173100LL && vsc_count <= 173239LL) && vsc_count != -1) {
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return;
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}
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if (vsc_count == 51021) {
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printf("Here I go\n");
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}
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if (vsc_count < 52000) {
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UNLOCK(Yap_heap_regs->low_level_trace_lock);
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return;
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}
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if (vsc_count > 52000)
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exit(0);
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UNLOCK(Yap_heap_regs->low_level_trace_lock);
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return;
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if (vsc_count == 837074) {
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printf("Here I go\n");
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}
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if (gc_calls < 1) {
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UNLOCK(Yap_heap_regs->low_level_trace_lock);
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return;
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}
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{
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CELL *env_ptr = ENV;
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PredEntry *p;
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while (env_ptr) {
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PredEntry *pe = EnvPreg(env_ptr[E_CP]);
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if (p == pe) {
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UNLOCK(Yap_heap_regs->low_level_trace_lock);
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pop_text_stack(l);
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return (true);
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}
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if (env_ptr != NULL)
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env_ptr = (CELL *)(env_ptr[E_E]);
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}
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printf("\n");
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}
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#endif
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b += snprintf(b, top - b, "%llud " UInt_FORMAT " ", vsc_count,
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LCL0 - (CELL *)B);
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b += snprintf(b, top - b, Int_FORMAT " ", LCL0 - (CELL *)Yap_REGS.CUT_C_TOP);
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#if defined(THREADS) || defined(YAPOR)
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b += snprintf(b, top - b, "(%d)", worker_id);
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#endif
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/* check_trail_consistency(); */
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if (pred == NULL) {
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UNLOCK(Yap_low_level_trace_lock);
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pop_text_stack(l);
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return (true);
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}
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if (pred->ModuleOfPred == PROLOG_MODULE) {
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if (!LOCAL_do_trace_primitives) {
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UNLOCK(Yap_low_level_trace_lock);
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pop_text_stack(l);
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return (true);
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}
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mname = "prolog";
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} else {
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mname = RepAtom(AtomOfTerm(Yap_Module_Name(pred)))->StrOfAE;
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}
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switch (port) {
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case enter_pred:
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arity = pred->ArityOfPE;
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if (arity == 0) {
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s = (char *)RepAtom((Atom)pred->FunctorOfPred)->StrOfAE;
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} else {
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s = (char *)RepAtom(NameOfFunctor((pred->FunctorOfPred)))->StrOfAE;
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}
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/* if ((pred->ModuleOfPred == 0) && (s[0] == '$'))
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return; */
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b = send_tracer_message("CALL: ", s, arity, mname, args, &buf, b, &top);
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break;
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case try_or:
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b = send_tracer_message("TRY_OR ", NULL, 0, NULL, args, &buf, b, &top);
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break;
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case retry_or:
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b = send_tracer_message("FAIL ", NULL, 0, NULL, args, &buf, b, &top);
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b = send_tracer_message("RETRY_OR ", NULL, 0, NULL, args, &buf, b, &top);
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break;
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case retry_table_generator:
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b = send_tracer_message("FAIL ", NULL, 0, NULL, args, &buf, b, &top);
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mname = (char *)RepAtom(AtomOfTerm(Yap_Module_Name(pred)))->StrOfAE;
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arity = pred->ArityOfPE;
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if (arity == 0)
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s = (char *)RepAtom((Atom)pred->FunctorOfPred)->StrOfAE;
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else
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s = (char *)RepAtom(NameOfFunctor((pred->FunctorOfPred)))->StrOfAE;
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b = send_tracer_message("RETRY GENERATOR: ", s, arity, mname, args, &buf, b,
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&top);
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break;
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case retry_table_consumer:
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b = send_tracer_message("FAIL ", NULL, 0, NULL, args, &buf, b, &top);
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mname = (char *)RepAtom(AtomOfTerm(Yap_Module_Name(pred)))->StrOfAE;
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arity = pred->ArityOfPE;
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if (arity == 0) {
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s = (char *)RepAtom((Atom)pred->FunctorOfPred)->StrOfAE;
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b = send_tracer_message("RETRY CONSUMER: ", s, 0, mname, NULL, &buf, b,
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&top);
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} else {
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s = (char *)RepAtom(NameOfFunctor((pred->FunctorOfPred)))->StrOfAE;
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b = send_tracer_message("RETRY CONSUMER: ", s, pred->ArityOfPE, mname,
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NULL, &buf, b, &top);
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}
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break;
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case retry_table_loader:
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b = send_tracer_message("FAIL ", NULL, 0, NULL, args, &buf, b, &top);
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if (pred == UndefCode) {
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b = send_tracer_message("RETRY LOADER ", NULL, 0, NULL, NULL, &buf, b,
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&top);
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} else {
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mname = (char *)RepAtom(AtomOfTerm(Yap_Module_Name(pred)))->StrOfAE;
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arity = pred->ArityOfPE;
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if (arity == 0)
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s = (char *)RepAtom((Atom)pred->FunctorOfPred)->StrOfAE;
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else
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s = (char *)RepAtom(NameOfFunctor((pred->FunctorOfPred)))->StrOfAE;
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b = send_tracer_message("RETRY LOADER: ", s, 0, mname, NULL, &buf, b,
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&top);
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}
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break;
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case retry_pred:
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b = send_tracer_message("FAIL ", NULL, 0, NULL, args, &buf, b, &top);
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if (pred != NULL) {
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mname = (char *)RepAtom(AtomOfTerm(Yap_Module_Name(pred)))->StrOfAE;
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arity = pred->ArityOfPE;
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if (pred->ModuleOfPred == IDB_MODULE) {
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s = "recorded";
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arity = 3;
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} else if (arity == 0) {
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s = (char *)RepAtom((Atom)pred->FunctorOfPred)->StrOfAE;
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} else {
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s = (char *)RepAtom(NameOfFunctor((pred->FunctorOfPred)))->StrOfAE;
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}
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b = send_tracer_message("RETRY: ", s, arity, mname, args, &buf, b, &top);
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}
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break;
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}
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UNLOCK(Yap_low_level_trace_lock);
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#if __ANDROID__
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__android_log_print(ANDROID_LOG_ERROR, "YAPDroid", "%s\n", buf);
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#else
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*b++ = '\n';
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*b = '\0';
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fputs(buf, stderr);
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#endif
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pop_text_stack(l);
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return (true);
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}
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void toggle_low_level_trace(void) {
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Yap_do_low_level_trace = !Yap_do_low_level_trace;
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}
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static Int start_low_level_trace(USES_REGS1) {
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Yap_do_low_level_trace = TRUE;
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return (TRUE);
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}
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static Int total_choicepoints(USES_REGS1) {
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return Yap_unify(MkIntegerTerm(LOCAL_total_choicepoints), ARG1);
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}
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static Int reset_total_choicepoints(USES_REGS1) {
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LOCAL_total_choicepoints = 0;
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return TRUE;
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|
}
|
|
|
|
static Int show_low_level_trace(USES_REGS1) {
|
|
fprintf(stderr, "Call counter=%lld\n", vsc_count);
|
|
return (TRUE);
|
|
}
|
|
|
|
#ifdef THREADS
|
|
static Int start_low_level_trace2(USES_REGS1) {
|
|
thread_trace = IntegerOfTerm(Deref(ARG1)) + 1;
|
|
Yap_do_low_level_trace = TRUE;
|
|
return (TRUE);
|
|
}
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
|
|
/** @pred stop_low_level_trace
|
|
|
|
Stop displaying messages at procedure entry and retry.
|
|
|
|
Note that using this compile-time option will slow down execution, even if
|
|
messages are
|
|
not being output.
|
|
|
|
*/
|
|
static Int stop_low_level_trace(USES_REGS1) {
|
|
Yap_do_low_level_trace = FALSE;
|
|
LOCAL_do_trace_primitives = TRUE;
|
|
#if DEBUG_LOCKS////
|
|
debug_locks = TRUE;
|
|
#endif
|
|
return (TRUE);
|
|
}
|
|
|
|
volatile int v_wait;
|
|
|
|
static Int vsc_wait(USES_REGS1) {
|
|
while (!v_wait)
|
|
;
|
|
return true;
|
|
}
|
|
|
|
static Int vsc_go(USES_REGS1) {
|
|
v_wait = 1;
|
|
return true;
|
|
}
|
|
|
|
void Yap_InitLowLevelTrace(void) {
|
|
Yap_InitCPred("start_low_level_trace", 0, start_low_level_trace,
|
|
SafePredFlag);
|
|
Yap_InitCPred("$start_low_level_trace", 0, start_low_level_trace,
|
|
SafePredFlag);
|
|
/** @pred start_low_level_trace
|
|
|
|
|
|
Begin display of messages at procedure entry and retry.
|
|
|
|
|
|
*/
|
|
#if THREADS
|
|
Yap_InitCPred("start_low_level_trace", 1, start_low_level_trace2,
|
|
SafePredFlag);
|
|
#endif
|
|
Yap_InitCPred("stop_low_level_trace", 0, stop_low_level_trace, SafePredFlag);
|
|
Yap_InitCPred("show_low_level_trace", 0, show_low_level_trace, SafePredFlag);
|
|
Yap_InitCPred("$stop_low_level_trace", 0, stop_low_level_trace, SafePredFlag);
|
|
Yap_InitCPred("total_choicepoints", 1, total_choicepoints, SafePredFlag);
|
|
Yap_InitCPred("reset_total_choicepoints", 0, reset_total_choicepoints,
|
|
SafePredFlag);
|
|
Yap_InitCPred("vsc_wait", 0, vsc_wait, SafePredFlag);
|
|
Yap_InitCPred("vsc_go", 0, vsc_go, SafePredFlag);
|
|
}
|
|
|
|
#else
|
|
|
|
static null(USES_REGS1) { return true; }
|
|
|
|
void Yap_InitLowLevelTrace(void) {
|
|
Yap_InitCPred("$start_low_level_trace", 0, null,
|
|
SafePredFlag | HiddenPredFlag);
|
|
Yap_InitCPred("$stop_low_level_trace", 0, null,
|
|
SafePredFlag | HiddenPredFlag);
|
|
}
|
|
#endif
|