#include <stdio.h> #include <stdlib.h> struct callsite { char *file, *name; union coordinate { struct { unsigned int index:6,x:10,y:16; } be; struct { unsigned int y:16,x:10,index:6; } le; unsigned int coord; } u; } *_caller; static struct _bbdata { struct _bbdata *link; unsigned npoints, *counts; union coordinate *coords; char **files; struct func { struct func *link; struct caller { struct caller *link; struct callsite *caller; unsigned count; } *callers; char *name; union coordinate src; } *funcs; } tail, *_bblist = &tail; static void unpack(unsigned int coord, int *index, int *x, int *y) { static union { int x; char endian; } little = { 1 }; union coordinate u; u.coord = coord; if (little.endian) { *index = u.le.index; *x = u.le.x; *y = u.le.y; } else { *index = u.be.index; *x = u.be.x; *y = u.be.y; } } static void profout(struct _bbdata *p, FILE *fp) { int i, index, x, y; struct func *f; struct caller *q; for (i = 0; p->files[i]; i++) ; fprintf(fp, "%d\n", i); for (i = 0; p->files[i]; i++) fprintf(fp, "%s\n", p->files[i]); for (i = 0, f = p->funcs; f; i++, f = f->link) if (q = f->callers) for (i--; q; q = q->link) i++; fprintf(fp, "%d\n", i); for (f = p->funcs; f; f = f->link) { int n = 0; for (q = f->callers; q; n += q->count, q = q->link) { unpack(f->src.coord, &index, &x, &y); fprintf(fp, "%s %d %d %d %d", f->name, index, x, y, q->count); if (q->caller) { unpack(q->caller->u.coord, &index, &x, &y); fprintf(fp, " %s %s %d %d\n", q->caller->name, q->caller->file, x, y); } else fprintf(fp, " ? ? 0 0\n"); } if (n == 0) { unpack(f->src.coord, &index, &x, &y); fprintf(fp, "%s %d %d %d 0 ? ? 0 0\n", f->name, index, x, y); } } fprintf(fp, "%d\n", p->npoints); for (i = 0; i < p->npoints; i++) { unpack(p->coords[i].coord, &index, &x, &y); fprintf(fp, "%d %d %d %d\n", index, x, y, p->counts[i]); } } static void bbexit(void) { FILE *fp; if (_bblist != &tail && (fp = fopen("prof.out", "a"))) { for ( ; _bblist != &tail; _bblist = _bblist->link) profout(_bblist, fp); fclose(fp); } } void _epilogue(struct func *callee) { _caller = 0; } void _prologue(struct func *callee, struct _bbdata *yylink) { static struct caller callers[4096]; static int next; struct caller *p; if (!yylink->link) { yylink->link = _bblist; _bblist = yylink; if (next == 0) atexit(bbexit); } for (p = callee->callers; p; p = p->link) if (p->caller == _caller) { p->count++; break; } if (!p && next < sizeof callers/sizeof callers[0]) { p = &callers[next++]; p->caller = _caller; p->count = 1; p->link = callee->callers; callee->callers = p; } _caller = 0; }