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https://github.com/mozilla/gecko-dev.git
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1264 lines
32 KiB
C
1264 lines
32 KiB
C
/*
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* Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
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* Copyright (c) 1991-1994 by Xerox Corporation. All rights reserved.
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* Copyright (c) 1996 by Silicon Graphics. All rights reserved.
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*
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* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
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* OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
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*
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* Permission is hereby granted to use or copy this program
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* for any purpose, provided the above notices are retained on all copies.
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* Permission to modify the code and to distribute modified code is granted,
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* provided the above notices are retained, and a notice that the code was
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* modified is included with the above copyright notice.
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*/
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/* An incomplete test for the garbage collector. */
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/* Some more obscure entry points are not tested at all. */
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# if defined(mips) && defined(SYSTYPE_BSD43)
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/* MIPS RISCOS 4 */
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# else
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# include <stdlib.h>
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# endif
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# include <stdio.h>
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# include <assert.h> /* Not normally used, but handy for debugging. */
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# include "gc.h"
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# include "gc_typed.h"
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# include "gc_priv.h" /* For output, locking, and some statistics */
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# include "gcconfig.h"
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# ifdef MSWIN32
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# include <windows.h>
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# endif
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# ifdef PCR
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# include "th/PCR_ThCrSec.h"
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# include "th/PCR_Th.h"
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# undef GC_printf0
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# define GC_printf0 printf
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# undef GC_printf1
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# define GC_printf1 printf
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# endif
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# ifdef SOLARIS_THREADS
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# include <thread.h>
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# include <synch.h>
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# endif
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# if defined(IRIX_THREADS) || defined(LINUX_THREADS)
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# include <pthread.h>
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# endif
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# ifdef WIN32_THREADS
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# include <process.h>
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static CRITICAL_SECTION incr_cs;
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# endif
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# if defined(PCR) || defined(SOLARIS_THREADS) || defined(WIN32_THREADS)
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# define THREADS
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# endif
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# ifdef AMIGA
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long __stack = 200000;
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# endif
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# define FAIL (void)abort()
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/* AT_END may be defined to excercise the interior pointer test */
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/* if the collector is configured with ALL_INTERIOR_POINTERS. */
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/* As it stands, this test should succeed with either */
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/* configuration. In the FIND_LEAK configuration, it should */
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/* find lots of leaks, since we free almost nothing. */
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struct SEXPR {
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struct SEXPR * sexpr_car;
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struct SEXPR * sexpr_cdr;
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};
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typedef struct SEXPR * sexpr;
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# define INT_TO_SEXPR(x) ((sexpr)(unsigned long)(x))
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# undef nil
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# define nil (INT_TO_SEXPR(0))
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# define car(x) ((x) -> sexpr_car)
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# define cdr(x) ((x) -> sexpr_cdr)
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# define is_nil(x) ((x) == nil)
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int extra_count = 0; /* Amount of space wasted in cons node */
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/* Silly implementation of Lisp cons. Intentionally wastes lots of space */
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/* to test collector. */
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sexpr cons (x, y)
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sexpr x;
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sexpr y;
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{
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register sexpr r;
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register int *p;
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register int my_extra = extra_count;
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r = (sexpr) GC_MALLOC_STUBBORN(sizeof(struct SEXPR) + my_extra);
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if (r == 0) {
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(void)GC_printf0("Out of memory\n");
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exit(1);
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}
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for (p = (int *)r;
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((char *)p) < ((char *)r) + my_extra + sizeof(struct SEXPR); p++) {
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if (*p) {
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(void)GC_printf1("Found nonzero at 0x%lx - allocator is broken\n",
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(unsigned long)p);
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FAIL;
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}
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*p = 13;
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}
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# ifdef AT_END
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r = (sexpr)((char *)r + (my_extra & ~7));
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# endif
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r -> sexpr_car = x;
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r -> sexpr_cdr = y;
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my_extra++;
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if ( my_extra >= 5000 ) {
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extra_count = 0;
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} else {
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extra_count = my_extra;
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}
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GC_END_STUBBORN_CHANGE((char *)r);
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return(r);
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}
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sexpr small_cons (x, y)
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sexpr x;
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sexpr y;
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{
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register sexpr r;
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r = (sexpr) GC_MALLOC(sizeof(struct SEXPR));
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if (r == 0) {
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(void)GC_printf0("Out of memory\n");
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exit(1);
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}
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r -> sexpr_car = x;
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r -> sexpr_cdr = y;
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return(r);
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}
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sexpr small_cons_uncollectable (x, y)
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sexpr x;
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sexpr y;
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{
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register sexpr r;
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r = (sexpr) GC_MALLOC_UNCOLLECTABLE(sizeof(struct SEXPR));
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assert(GC_is_marked(r));
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if (r == 0) {
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(void)GC_printf0("Out of memory\n");
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exit(1);
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}
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r -> sexpr_car = x;
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r -> sexpr_cdr = (sexpr)(~(unsigned long)y);
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return(r);
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}
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/* Return reverse(x) concatenated with y */
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sexpr reverse1(x, y)
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sexpr x, y;
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{
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if (is_nil(x)) {
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return(y);
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} else {
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return( reverse1(cdr(x), cons(car(x), y)) );
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}
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}
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sexpr reverse(x)
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sexpr x;
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{
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return( reverse1(x, nil) );
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}
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sexpr ints(low, up)
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int low, up;
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{
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if (low > up) {
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return(nil);
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} else {
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return(small_cons(small_cons(INT_TO_SEXPR(low), nil), ints(low+1, up)));
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}
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}
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/* To check uncollectable allocation we build lists with disguised cdr */
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/* pointers, and make sure they don't go away. */
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sexpr uncollectable_ints(low, up)
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int low, up;
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{
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if (low > up) {
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return(nil);
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} else {
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return(small_cons_uncollectable(small_cons(INT_TO_SEXPR(low), nil),
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uncollectable_ints(low+1, up)));
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}
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}
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void check_ints(list, low, up)
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sexpr list;
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int low, up;
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{
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if ((int)(GC_word)(car(car(list))) != low) {
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(void)GC_printf0(
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"List reversal produced incorrect list - collector is broken\n");
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FAIL;
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}
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if (low == up) {
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if (cdr(list) != nil) {
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(void)GC_printf0("List too long - collector is broken\n");
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FAIL;
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}
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} else {
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check_ints(cdr(list), low+1, up);
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}
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}
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# define UNCOLLECTABLE_CDR(x) (sexpr)(~(unsigned long)(cdr(x)))
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void check_uncollectable_ints(list, low, up)
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sexpr list;
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int low, up;
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{
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assert(GC_is_marked(list));
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if ((int)(GC_word)(car(car(list))) != low) {
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(void)GC_printf0(
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"Uncollectable list corrupted - collector is broken\n");
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FAIL;
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}
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if (low == up) {
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if (UNCOLLECTABLE_CDR(list) != nil) {
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(void)GC_printf0("Uncollectable list too long - collector is broken\n");
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FAIL;
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}
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} else {
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check_uncollectable_ints(UNCOLLECTABLE_CDR(list), low+1, up);
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}
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}
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/* Not used, but useful for debugging: */
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void print_int_list(x)
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sexpr x;
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{
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if (is_nil(x)) {
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(void)GC_printf0("NIL\n");
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} else {
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(void)GC_printf1("(%ld)", (long)(car(car(x))));
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if (!is_nil(cdr(x))) {
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(void)GC_printf0(", ");
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(void)print_int_list(cdr(x));
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} else {
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(void)GC_printf0("\n");
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}
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}
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}
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/* Try to force a to be strangely aligned */
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struct {
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char dummy;
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sexpr aa;
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} A;
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#define a A.aa
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/*
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* A tiny list reversal test to check thread creation.
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*/
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#ifdef THREADS
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# ifdef WIN32_THREADS
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unsigned __stdcall tiny_reverse_test(void * arg)
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# else
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void * tiny_reverse_test(void * arg)
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# endif
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{
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check_ints(reverse(reverse(ints(1,10))), 1, 10);
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return 0;
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}
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# if defined(IRIX_THREADS) || defined(LINUX_THREADS) \
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|| defined(SOLARIS_PTHREADS)
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void fork_a_thread()
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{
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pthread_t t;
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int code;
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if ((code = pthread_create(&t, 0, tiny_reverse_test, 0)) != 0) {
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(void)GC_printf1("Small thread creation failed %lu\n",
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(unsigned long)code);
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FAIL;
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}
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if ((code = pthread_join(t, 0)) != 0) {
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(void)GC_printf1("Small thread join failed %lu\n",
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(unsigned long)code);
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FAIL;
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}
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}
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# elif defined(WIN32_THREADS)
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void fork_a_thread()
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{
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unsigned thread_id;
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HANDLE h;
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h = (HANDLE)_beginthreadex(NULL, 0, tiny_reverse_test,
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0, 0, &thread_id);
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if (h == (HANDLE)-1) {
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(void)GC_printf1("Small thread creation failed %lu\n",
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(unsigned long)GetLastError());
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FAIL;
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}
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if (WaitForSingleObject(h, INFINITE) != WAIT_OBJECT_0) {
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(void)GC_printf1("Small thread wait failed %lu\n",
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(unsigned long)GetLastError());
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FAIL;
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}
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}
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/* # elif defined(SOLARIS_THREADS) */
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# else
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# define fork_a_thread()
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# endif
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#else
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# define fork_a_thread()
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#endif
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/*
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* Repeatedly reverse lists built out of very different sized cons cells.
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* Check that we didn't lose anything.
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*/
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void reverse_test()
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{
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int i;
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sexpr b;
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sexpr c;
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sexpr d;
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sexpr e;
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sexpr *f, *g, *h;
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# if defined(MSWIN32) || defined(MACOS)
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/* Win32S only allows 128K stacks */
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# define BIG 1000
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# else
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# if defined PCR
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/* PCR default stack is 100K. Stack frames are up to 120 bytes. */
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# define BIG 700
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# else
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# define BIG 4500
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# endif
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# endif
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A.dummy = 17;
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a = ints(1, 49);
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b = ints(1, 50);
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c = ints(1, BIG);
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d = uncollectable_ints(1, 100);
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e = uncollectable_ints(1, 1);
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/* Check that realloc updates object descriptors correctly */
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f = (sexpr *)GC_malloc(4 * sizeof(sexpr));
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f = (sexpr *)GC_realloc((GC_PTR)f, 6 * sizeof(sexpr));
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f[5] = ints(1,17);
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g = (sexpr *)GC_malloc(513 * sizeof(sexpr));
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g = (sexpr *)GC_realloc((GC_PTR)g, 800 * sizeof(sexpr));
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g[799] = ints(1,18);
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h = (sexpr *)GC_malloc(1025 * sizeof(sexpr));
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h = (sexpr *)GC_realloc((GC_PTR)h, 2000 * sizeof(sexpr));
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h[1999] = ints(1,19);
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/* Try to force some collections and reuse of small list elements */
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for (i = 0; i < 10; i++) {
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(void)ints(1, BIG);
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}
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/* Superficially test interior pointer recognition on stack */
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c = (sexpr)((char *)c + sizeof(char *));
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d = (sexpr)((char *)d + sizeof(char *));
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# ifdef __STDC__
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GC_FREE((void *)e);
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# else
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GC_FREE((char *)e);
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# endif
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check_ints(b,1,50);
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check_ints(a,1,49);
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for (i = 0; i < 50; i++) {
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check_ints(b,1,50);
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b = reverse(reverse(b));
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}
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check_ints(b,1,50);
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check_ints(a,1,49);
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for (i = 0; i < 60; i++) {
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if (i % 10 == 0) fork_a_thread();
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/* This maintains the invariant that a always points to a list of */
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/* 49 integers. Thus this is thread safe without locks, */
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/* assuming atomic pointer assignments. */
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a = reverse(reverse(a));
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# if !defined(AT_END) && !defined(THREADS)
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/* This is not thread safe, since realloc explicitly deallocates */
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if (i & 1) {
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a = (sexpr)GC_REALLOC((GC_PTR)a, 500);
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} else {
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a = (sexpr)GC_REALLOC((GC_PTR)a, 8200);
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}
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# endif
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}
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check_ints(a,1,49);
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check_ints(b,1,50);
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c = (sexpr)((char *)c - sizeof(char *));
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d = (sexpr)((char *)d - sizeof(char *));
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check_ints(c,1,BIG);
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check_uncollectable_ints(d, 1, 100);
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check_ints(f[5], 1,17);
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check_ints(g[799], 1,18);
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check_ints(h[1999], 1,19);
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# ifndef THREADS
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a = 0;
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# endif
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b = c = 0;
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}
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/*
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* The rest of this builds balanced binary trees, checks that they don't
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* disappear, and tests finalization.
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*/
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typedef struct treenode {
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int level;
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struct treenode * lchild;
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struct treenode * rchild;
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} tn;
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int finalizable_count = 0;
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int finalized_count = 0;
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VOLATILE int dropped_something = 0;
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# ifdef __STDC__
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void finalizer(void * obj, void * client_data)
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# else
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void finalizer(obj, client_data)
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char * obj;
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char * client_data;
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# endif
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{
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tn * t = (tn *)obj;
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# ifdef PCR
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PCR_ThCrSec_EnterSys();
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# endif
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# ifdef SOLARIS_THREADS
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static mutex_t incr_lock;
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mutex_lock(&incr_lock);
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# endif
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# if defined(IRIX_THREADS) || defined(LINUX_THREADS)
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static pthread_mutex_t incr_lock = PTHREAD_MUTEX_INITIALIZER;
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pthread_mutex_lock(&incr_lock);
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# endif
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# ifdef WIN32_THREADS
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EnterCriticalSection(&incr_cs);
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# endif
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if ((int)(GC_word)client_data != t -> level) {
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(void)GC_printf0("Wrong finalization data - collector is broken\n");
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FAIL;
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}
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finalized_count++;
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# ifdef PCR
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PCR_ThCrSec_ExitSys();
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# endif
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# ifdef SOLARIS_THREADS
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mutex_unlock(&incr_lock);
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# endif
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# if defined(IRIX_THREADS) || defined(LINUX_THREADS)
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pthread_mutex_unlock(&incr_lock);
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# endif
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# ifdef WIN32_THREADS
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LeaveCriticalSection(&incr_cs);
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# endif
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}
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size_t counter = 0;
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# define MAX_FINALIZED 8000
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# if !defined(MACOS)
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GC_FAR GC_word live_indicators[MAX_FINALIZED] = {0};
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#else
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/* Too big for THINK_C. have to allocate it dynamically. */
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GC_word *live_indicators = 0;
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#endif
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int live_indicators_count = 0;
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tn * mktree(n)
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int n;
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{
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tn * result = (tn *)GC_MALLOC(sizeof(tn));
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#if defined(MACOS)
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/* get around static data limitations. */
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if (!live_indicators)
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live_indicators =
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(GC_word*)NewPtrClear(MAX_FINALIZED * sizeof(GC_word));
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if (!live_indicators) {
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(void)GC_printf0("Out of memory\n");
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exit(1);
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}
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#endif
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if (n == 0) return(0);
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if (result == 0) {
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(void)GC_printf0("Out of memory\n");
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exit(1);
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}
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result -> level = n;
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result -> lchild = mktree(n-1);
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result -> rchild = mktree(n-1);
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if (counter++ % 17 == 0 && n >= 2) {
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tn * tmp = result -> lchild -> rchild;
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result -> lchild -> rchild = result -> rchild -> lchild;
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result -> rchild -> lchild = tmp;
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}
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if (counter++ % 119 == 0) {
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int my_index;
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{
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# ifdef PCR
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PCR_ThCrSec_EnterSys();
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# endif
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# ifdef SOLARIS_THREADS
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static mutex_t incr_lock;
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mutex_lock(&incr_lock);
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# endif
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# if defined(IRIX_THREADS) || defined(LINUX_THREADS)
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|
static pthread_mutex_t incr_lock = PTHREAD_MUTEX_INITIALIZER;
|
|
pthread_mutex_lock(&incr_lock);
|
|
# endif
|
|
# ifdef WIN32_THREADS
|
|
EnterCriticalSection(&incr_cs);
|
|
# endif
|
|
/* Losing a count here causes erroneous report of failure. */
|
|
finalizable_count++;
|
|
my_index = live_indicators_count++;
|
|
# ifdef PCR
|
|
PCR_ThCrSec_ExitSys();
|
|
# endif
|
|
# ifdef SOLARIS_THREADS
|
|
mutex_unlock(&incr_lock);
|
|
# endif
|
|
# if defined(IRIX_THREADS) || defined(LINUX_THREADS)
|
|
pthread_mutex_unlock(&incr_lock);
|
|
# endif
|
|
# ifdef WIN32_THREADS
|
|
LeaveCriticalSection(&incr_cs);
|
|
# endif
|
|
}
|
|
|
|
GC_REGISTER_FINALIZER((GC_PTR)result, finalizer, (GC_PTR)(GC_word)n,
|
|
(GC_finalization_proc *)0, (GC_PTR *)0);
|
|
if (my_index >= MAX_FINALIZED) {
|
|
GC_printf0("live_indicators overflowed\n");
|
|
FAIL;
|
|
}
|
|
live_indicators[my_index] = 13;
|
|
if (GC_GENERAL_REGISTER_DISAPPEARING_LINK(
|
|
(GC_PTR *)(&(live_indicators[my_index])),
|
|
(GC_PTR)result) != 0) {
|
|
GC_printf0("GC_general_register_disappearing_link failed\n");
|
|
FAIL;
|
|
}
|
|
if (GC_unregister_disappearing_link(
|
|
(GC_PTR *)
|
|
(&(live_indicators[my_index]))) == 0) {
|
|
GC_printf0("GC_unregister_disappearing_link failed\n");
|
|
FAIL;
|
|
}
|
|
if (GC_GENERAL_REGISTER_DISAPPEARING_LINK(
|
|
(GC_PTR *)(&(live_indicators[my_index])),
|
|
(GC_PTR)result) != 0) {
|
|
GC_printf0("GC_general_register_disappearing_link failed 2\n");
|
|
FAIL;
|
|
}
|
|
}
|
|
return(result);
|
|
}
|
|
|
|
void chktree(t,n)
|
|
tn *t;
|
|
int n;
|
|
{
|
|
if (n == 0 && t != 0) {
|
|
(void)GC_printf0("Clobbered a leaf - collector is broken\n");
|
|
FAIL;
|
|
}
|
|
if (n == 0) return;
|
|
if (t -> level != n) {
|
|
(void)GC_printf1("Lost a node at level %lu - collector is broken\n",
|
|
(unsigned long)n);
|
|
FAIL;
|
|
}
|
|
if (counter++ % 373 == 0) (void) GC_MALLOC(counter%5001);
|
|
chktree(t -> lchild, n-1);
|
|
if (counter++ % 73 == 0) (void) GC_MALLOC(counter%373);
|
|
chktree(t -> rchild, n-1);
|
|
}
|
|
|
|
# if defined(SOLARIS_THREADS) && !defined(_SOLARIS_PTHREADS)
|
|
thread_key_t fl_key;
|
|
|
|
void * alloc8bytes()
|
|
{
|
|
# ifdef SMALL_CONFIG
|
|
return(GC_malloc(8));
|
|
# else
|
|
void ** my_free_list_ptr;
|
|
void * my_free_list;
|
|
|
|
if (thr_getspecific(fl_key, (void **)(&my_free_list_ptr)) != 0) {
|
|
(void)GC_printf0("thr_getspecific failed\n");
|
|
FAIL;
|
|
}
|
|
if (my_free_list_ptr == 0) {
|
|
my_free_list_ptr = GC_NEW_UNCOLLECTABLE(void *);
|
|
if (thr_setspecific(fl_key, my_free_list_ptr) != 0) {
|
|
(void)GC_printf0("thr_setspecific failed\n");
|
|
FAIL;
|
|
}
|
|
}
|
|
my_free_list = *my_free_list_ptr;
|
|
if (my_free_list == 0) {
|
|
my_free_list = GC_malloc_many(8);
|
|
if (my_free_list == 0) {
|
|
(void)GC_printf0("alloc8bytes out of memory\n");
|
|
FAIL;
|
|
}
|
|
}
|
|
*my_free_list_ptr = GC_NEXT(my_free_list);
|
|
GC_NEXT(my_free_list) = 0;
|
|
return(my_free_list);
|
|
# endif
|
|
}
|
|
|
|
#else
|
|
|
|
# if defined(_SOLARIS_PTHREADS) || defined(IRIX_THREADS) \
|
|
|| defined(LINUX_THREADS)
|
|
pthread_key_t fl_key;
|
|
|
|
void * alloc8bytes()
|
|
{
|
|
# ifdef SMALL_CONFIG
|
|
return(GC_malloc(8));
|
|
# else
|
|
void ** my_free_list_ptr;
|
|
void * my_free_list;
|
|
|
|
my_free_list_ptr = (void **)pthread_getspecific(fl_key);
|
|
if (my_free_list_ptr == 0) {
|
|
my_free_list_ptr = GC_NEW_UNCOLLECTABLE(void *);
|
|
if (pthread_setspecific(fl_key, my_free_list_ptr) != 0) {
|
|
(void)GC_printf0("pthread_setspecific failed\n");
|
|
FAIL;
|
|
}
|
|
}
|
|
my_free_list = *my_free_list_ptr;
|
|
if (my_free_list == 0) {
|
|
my_free_list = GC_malloc_many(8);
|
|
if (my_free_list == 0) {
|
|
(void)GC_printf0("alloc8bytes out of memory\n");
|
|
FAIL;
|
|
}
|
|
}
|
|
*my_free_list_ptr = GC_NEXT(my_free_list);
|
|
GC_NEXT(my_free_list) = 0;
|
|
return(my_free_list);
|
|
# endif
|
|
}
|
|
|
|
# else
|
|
# define alloc8bytes() GC_MALLOC_ATOMIC(8)
|
|
# endif
|
|
#endif
|
|
|
|
void alloc_small(n)
|
|
int n;
|
|
{
|
|
register int i;
|
|
|
|
for (i = 0; i < n; i += 8) {
|
|
if (alloc8bytes() == 0) {
|
|
(void)GC_printf0("Out of memory\n");
|
|
FAIL;
|
|
}
|
|
}
|
|
}
|
|
|
|
# if defined(THREADS) && defined(GC_DEBUG)
|
|
# define TREE_HEIGHT 15
|
|
# else
|
|
# define TREE_HEIGHT 16
|
|
# endif
|
|
void tree_test()
|
|
{
|
|
tn * root;
|
|
register int i;
|
|
|
|
root = mktree(TREE_HEIGHT);
|
|
alloc_small(5000000);
|
|
chktree(root, TREE_HEIGHT);
|
|
if (finalized_count && ! dropped_something) {
|
|
(void)GC_printf0("Premature finalization - collector is broken\n");
|
|
FAIL;
|
|
}
|
|
dropped_something = 1;
|
|
GC_noop(root); /* Root needs to remain live until */
|
|
/* dropped_something is set. */
|
|
root = mktree(TREE_HEIGHT);
|
|
chktree(root, TREE_HEIGHT);
|
|
for (i = TREE_HEIGHT; i >= 0; i--) {
|
|
root = mktree(i);
|
|
chktree(root, i);
|
|
}
|
|
alloc_small(5000000);
|
|
}
|
|
|
|
unsigned n_tests = 0;
|
|
|
|
GC_word bm_huge[10] = {
|
|
0xffffffff,
|
|
0xffffffff,
|
|
0xffffffff,
|
|
0xffffffff,
|
|
0xffffffff,
|
|
0xffffffff,
|
|
0xffffffff,
|
|
0xffffffff,
|
|
0xffffffff,
|
|
0x00ffffff,
|
|
};
|
|
|
|
|
|
/* A very simple test of explicitly typed allocation */
|
|
void typed_test()
|
|
{
|
|
GC_word * old, * new;
|
|
GC_word bm3 = 0x3;
|
|
GC_word bm2 = 0x2;
|
|
GC_word bm_large = 0xf7ff7fff;
|
|
GC_descr d1 = GC_make_descriptor(&bm3, 2);
|
|
GC_descr d2 = GC_make_descriptor(&bm2, 2);
|
|
# ifndef LINT
|
|
GC_descr dummy = GC_make_descriptor(&bm_large, 32);
|
|
# endif
|
|
GC_descr d3 = GC_make_descriptor(&bm_large, 32);
|
|
GC_descr d4 = GC_make_descriptor(bm_huge, 320);
|
|
GC_word * x = (GC_word *)GC_malloc_explicitly_typed(2000, d4);
|
|
register int i;
|
|
|
|
old = 0;
|
|
for (i = 0; i < 4000; i++) {
|
|
new = (GC_word *) GC_malloc_explicitly_typed(4 * sizeof(GC_word), d1);
|
|
new[0] = 17;
|
|
new[1] = (GC_word)old;
|
|
old = new;
|
|
new = (GC_word *) GC_malloc_explicitly_typed(4 * sizeof(GC_word), d2);
|
|
new[0] = 17;
|
|
new[1] = (GC_word)old;
|
|
old = new;
|
|
new = (GC_word *) GC_malloc_explicitly_typed(33 * sizeof(GC_word), d3);
|
|
new[0] = 17;
|
|
new[1] = (GC_word)old;
|
|
old = new;
|
|
new = (GC_word *) GC_calloc_explicitly_typed(4, 2 * sizeof(GC_word),
|
|
d1);
|
|
new[0] = 17;
|
|
new[1] = (GC_word)old;
|
|
old = new;
|
|
if (i & 0xff) {
|
|
new = (GC_word *) GC_calloc_explicitly_typed(7, 3 * sizeof(GC_word),
|
|
d2);
|
|
} else {
|
|
new = (GC_word *) GC_calloc_explicitly_typed(1001,
|
|
3 * sizeof(GC_word),
|
|
d2);
|
|
}
|
|
new[0] = 17;
|
|
new[1] = (GC_word)old;
|
|
old = new;
|
|
}
|
|
for (i = 0; i < 20000; i++) {
|
|
if (new[0] != 17) {
|
|
(void)GC_printf1("typed alloc failed at %lu\n",
|
|
(unsigned long)i);
|
|
FAIL;
|
|
}
|
|
new[0] = 0;
|
|
old = new;
|
|
new = (GC_word *)(old[1]);
|
|
}
|
|
GC_gcollect();
|
|
GC_noop(x);
|
|
}
|
|
|
|
int fail_count = 0;
|
|
|
|
#ifndef __STDC__
|
|
/*ARGSUSED*/
|
|
void fail_proc1(x)
|
|
GC_PTR x;
|
|
{
|
|
fail_count++;
|
|
}
|
|
|
|
#else
|
|
|
|
/*ARGSUSED*/
|
|
void fail_proc1(GC_PTR x)
|
|
{
|
|
fail_count++;
|
|
}
|
|
|
|
#endif /* __STDC__ */
|
|
|
|
#ifdef THREADS
|
|
# define TEST_FAIL_COUNT(n) 1
|
|
#else
|
|
# define TEST_FAIL_COUNT(n) (fail_count >= (n))
|
|
#endif
|
|
|
|
void run_one_test()
|
|
{
|
|
char *x;
|
|
# ifdef LINT
|
|
char *y = 0;
|
|
# else
|
|
char *y = (char *)(size_t)fail_proc1;
|
|
# endif
|
|
DCL_LOCK_STATE;
|
|
|
|
# ifdef FIND_LEAK
|
|
(void)GC_printf0(
|
|
"This test program is not designed for leak detection mode\n");
|
|
(void)GC_printf0("Expect lots of problems.\n");
|
|
# endif
|
|
if (GC_size(GC_malloc(7)) != 8
|
|
|| GC_size(GC_malloc(15)) != 16) {
|
|
(void)GC_printf0("GC_size produced unexpected results\n");
|
|
FAIL;
|
|
}
|
|
if (GC_size(GC_malloc(0)) != 4 && GC_size(GC_malloc(0)) != 8) {
|
|
(void)GC_printf0("GC_malloc(0) failed\n");
|
|
FAIL;
|
|
}
|
|
if (GC_size(GC_malloc_uncollectable(0)) != 4
|
|
&& GC_size(GC_malloc_uncollectable(0)) != 8) {
|
|
(void)GC_printf0("GC_malloc_uncollectable(0) failed\n");
|
|
FAIL;
|
|
}
|
|
GC_is_valid_displacement_print_proc = fail_proc1;
|
|
GC_is_visible_print_proc = fail_proc1;
|
|
x = GC_malloc(16);
|
|
if (GC_base(x + 13) != x) {
|
|
(void)GC_printf0("GC_base(heap ptr) produced incorrect result\n");
|
|
FAIL;
|
|
}
|
|
# ifndef PCR
|
|
if (GC_base(y) != 0) {
|
|
(void)GC_printf0("GC_base(fn_ptr) produced incorrect result\n");
|
|
FAIL;
|
|
}
|
|
# endif
|
|
if (GC_same_obj(x+5, x) != x + 5) {
|
|
(void)GC_printf0("GC_same_obj produced incorrect result\n");
|
|
FAIL;
|
|
}
|
|
if (GC_is_visible(y) != y || GC_is_visible(x) != x) {
|
|
(void)GC_printf0("GC_is_visible produced incorrect result\n");
|
|
FAIL;
|
|
}
|
|
if (!TEST_FAIL_COUNT(1)) {
|
|
# if!(defined(RS6000) || defined(POWERPC))
|
|
/* ON RS6000s function pointers point to a descriptor in the */
|
|
/* data segment, so there should have been no failures. */
|
|
(void)GC_printf0("GC_is_visible produced wrong failure indication\n");
|
|
FAIL;
|
|
# endif
|
|
}
|
|
if (GC_is_valid_displacement(y) != y
|
|
|| GC_is_valid_displacement(x) != x
|
|
|| GC_is_valid_displacement(x + 3) != x + 3) {
|
|
(void)GC_printf0(
|
|
"GC_is_valid_displacement produced incorrect result\n");
|
|
FAIL;
|
|
}
|
|
# ifndef ALL_INTERIOR_POINTERS
|
|
# if defined(RS6000) || defined(POWERPC)
|
|
if (!TEST_FAIL_COUNT(1)) {
|
|
# else
|
|
if (!TEST_FAIL_COUNT(2)) {
|
|
# endif
|
|
(void)GC_printf0("GC_is_valid_displacement produced wrong failure indication\n");
|
|
FAIL;
|
|
}
|
|
# endif
|
|
/* Test floating point alignment */
|
|
*(double *)GC_MALLOC(sizeof(double)) = 1.0;
|
|
*(double *)GC_MALLOC(sizeof(double)) = 1.0;
|
|
/* Repeated list reversal test. */
|
|
reverse_test();
|
|
# ifdef PRINTSTATS
|
|
GC_printf0("-------------Finished reverse_test\n");
|
|
# endif
|
|
typed_test();
|
|
# ifdef PRINTSTATS
|
|
GC_printf0("-------------Finished typed_test\n");
|
|
# endif
|
|
tree_test();
|
|
LOCK();
|
|
n_tests++;
|
|
UNLOCK();
|
|
/* GC_printf1("Finished %x\n", pthread_self()); */
|
|
}
|
|
|
|
void check_heap_stats()
|
|
{
|
|
unsigned long max_heap_sz;
|
|
register int i;
|
|
int still_live;
|
|
int late_finalize_count = 0;
|
|
|
|
if (sizeof(char *) > 4) {
|
|
max_heap_sz = 13000000;
|
|
} else {
|
|
max_heap_sz = 11000000;
|
|
}
|
|
# ifdef GC_DEBUG
|
|
max_heap_sz *= 2;
|
|
# ifdef SPARC
|
|
max_heap_sz *= 2;
|
|
# endif
|
|
# endif
|
|
/* Garbage collect repeatedly so that all inaccessible objects */
|
|
/* can be finalized. */
|
|
while (GC_collect_a_little()) { }
|
|
for (i = 0; i < 16; i++) {
|
|
GC_gcollect();
|
|
late_finalize_count += GC_invoke_finalizers();
|
|
}
|
|
(void)GC_printf1("Completed %lu tests\n", (unsigned long)n_tests);
|
|
(void)GC_printf2("Finalized %lu/%lu objects - ",
|
|
(unsigned long)finalized_count,
|
|
(unsigned long)finalizable_count);
|
|
# ifdef FINALIZE_ON_DEMAND
|
|
if (finalized_count != late_finalize_count) {
|
|
(void)GC_printf0("Demand finalization error\n");
|
|
FAIL;
|
|
}
|
|
# endif
|
|
if (finalized_count > finalizable_count
|
|
|| finalized_count < finalizable_count/2) {
|
|
(void)GC_printf0("finalization is probably broken\n");
|
|
FAIL;
|
|
} else {
|
|
(void)GC_printf0("finalization is probably ok\n");
|
|
}
|
|
still_live = 0;
|
|
for (i = 0; i < MAX_FINALIZED; i++) {
|
|
if (live_indicators[i] != 0) {
|
|
still_live++;
|
|
}
|
|
}
|
|
i = finalizable_count - finalized_count - still_live;
|
|
if (0 != i) {
|
|
(void)GC_printf2
|
|
("%lu disappearing links remain and %lu more objects were not finalized\n",
|
|
(unsigned long) still_live, (unsigned long)i);
|
|
if (i > 10) {
|
|
GC_printf0("\tVery suspicious!\n");
|
|
} else {
|
|
GC_printf0("\tSlightly suspicious, but probably OK.\n");
|
|
}
|
|
}
|
|
(void)GC_printf1("Total number of bytes allocated is %lu\n",
|
|
(unsigned long)
|
|
WORDS_TO_BYTES(GC_words_allocd + GC_words_allocd_before_gc));
|
|
(void)GC_printf1("Final heap size is %lu bytes\n",
|
|
(unsigned long)GC_get_heap_size());
|
|
if (WORDS_TO_BYTES(GC_words_allocd + GC_words_allocd_before_gc)
|
|
< 33500000*n_tests) {
|
|
(void)GC_printf0("Incorrect execution - missed some allocations\n");
|
|
FAIL;
|
|
}
|
|
if (GC_get_heap_size() > max_heap_sz*n_tests) {
|
|
(void)GC_printf0("Unexpected heap growth - collector may be broken\n");
|
|
FAIL;
|
|
}
|
|
(void)GC_printf0("Collector appears to work\n");
|
|
}
|
|
|
|
#if defined(MACOS)
|
|
void SetMinimumStack(long minSize)
|
|
{
|
|
long newApplLimit;
|
|
|
|
if (minSize > LMGetDefltStack())
|
|
{
|
|
newApplLimit = (long) GetApplLimit()
|
|
- (minSize - LMGetDefltStack());
|
|
SetApplLimit((Ptr) newApplLimit);
|
|
MaxApplZone();
|
|
}
|
|
}
|
|
|
|
#define cMinStackSpace (512L * 1024L)
|
|
|
|
#endif
|
|
|
|
#ifdef __STDC__
|
|
void warn_proc(char *msg, GC_word p)
|
|
#else
|
|
void warn_proc(msg, p)
|
|
char *msg;
|
|
GC_word p;
|
|
#endif
|
|
{
|
|
GC_printf1(msg, (unsigned long)p);
|
|
FAIL;
|
|
}
|
|
|
|
|
|
#if !defined(PCR) && !defined(SOLARIS_THREADS) && !defined(WIN32_THREADS) \
|
|
&& !defined(IRIX_THREADS) && !defined(LINUX_THREADS) || defined(LINT)
|
|
#ifdef MSWIN32
|
|
int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prev, LPSTR cmd, int n)
|
|
#else
|
|
int main()
|
|
#endif
|
|
{
|
|
# if defined(DJGPP)
|
|
int dummy;
|
|
# endif
|
|
n_tests = 0;
|
|
|
|
# if defined(DJGPP)
|
|
/* No good way to determine stack base from library; do it */
|
|
/* manually on this platform. */
|
|
GC_stackbottom = (GC_PTR)(&dummy);
|
|
# endif
|
|
# if defined(MACOS)
|
|
/* Make sure we have lots and lots of stack space. */
|
|
SetMinimumStack(cMinStackSpace);
|
|
/* Cheat and let stdio initialize toolbox for us. */
|
|
printf("Testing GC Macintosh port.\n");
|
|
# endif
|
|
GC_INIT(); /* Only needed if gc is dynamic library. */
|
|
(void) GC_set_warn_proc(warn_proc);
|
|
# if defined(MPROTECT_VDB) || defined(PROC_VDB)
|
|
GC_enable_incremental();
|
|
(void) GC_printf0("Switched to incremental mode\n");
|
|
# if defined(MPROTECT_VDB)
|
|
(void)GC_printf0("Emulating dirty bits with mprotect/signals\n");
|
|
# else
|
|
(void)GC_printf0("Reading dirty bits from /proc\n");
|
|
# endif
|
|
# endif
|
|
run_one_test();
|
|
check_heap_stats();
|
|
(void)fflush(stdout);
|
|
# ifdef LINT
|
|
/* Entry points we should be testing, but aren't. */
|
|
/* Some can be tested by defining GC_DEBUG at the top of this file */
|
|
/* This is a bit SunOS4 specific. */
|
|
GC_noop(GC_expand_hp, GC_add_roots, GC_clear_roots,
|
|
GC_register_disappearing_link,
|
|
GC_register_finalizer_ignore_self,
|
|
GC_debug_register_displacement,
|
|
GC_print_obj, GC_debug_change_stubborn,
|
|
GC_debug_end_stubborn_change, GC_debug_malloc_uncollectable,
|
|
GC_debug_free, GC_debug_realloc, GC_generic_malloc_words_small,
|
|
GC_init, GC_make_closure, GC_debug_invoke_finalizer,
|
|
GC_page_was_ever_dirty, GC_is_fresh,
|
|
GC_malloc_ignore_off_page, GC_malloc_atomic_ignore_off_page,
|
|
GC_set_max_heap_size, GC_get_bytes_since_gc,
|
|
GC_pre_incr, GC_post_incr);
|
|
# endif
|
|
# ifdef MSWIN32
|
|
GC_win32_free_heap();
|
|
# endif
|
|
return(0);
|
|
}
|
|
# endif
|
|
|
|
#ifdef WIN32_THREADS
|
|
|
|
unsigned __stdcall thr_run_one_test(void *arg)
|
|
{
|
|
run_one_test();
|
|
return 0;
|
|
}
|
|
|
|
#define NTEST 2
|
|
|
|
int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prev, LPSTR cmd, int n)
|
|
{
|
|
# if NTEST > 0
|
|
HANDLE h[NTEST];
|
|
# endif
|
|
int i;
|
|
unsigned thread_id;
|
|
# if 0
|
|
GC_enable_incremental();
|
|
# endif
|
|
InitializeCriticalSection(&incr_cs);
|
|
(void) GC_set_warn_proc(warn_proc);
|
|
for (i = 0; i < NTEST; i++) {
|
|
h[i] = (HANDLE)_beginthreadex(NULL, 0, thr_run_one_test, 0, 0, &thread_id);
|
|
if (h[i] == (HANDLE)-1) {
|
|
(void)GC_printf1("Thread creation failed %lu\n", (unsigned long)GetLastError());
|
|
FAIL;
|
|
}
|
|
}
|
|
run_one_test();
|
|
for (i = 0; i < NTEST; i++)
|
|
if (WaitForSingleObject(h[i], INFINITE) != WAIT_OBJECT_0) {
|
|
(void)GC_printf1("Thread wait failed %lu\n", (unsigned long)GetLastError());
|
|
FAIL;
|
|
}
|
|
check_heap_stats();
|
|
(void)fflush(stdout);
|
|
return(0);
|
|
}
|
|
|
|
#endif /* WIN32_THREADS */
|
|
|
|
|
|
#ifdef PCR
|
|
test()
|
|
{
|
|
PCR_Th_T * th1;
|
|
PCR_Th_T * th2;
|
|
int code;
|
|
|
|
n_tests = 0;
|
|
/* GC_enable_incremental(); */
|
|
(void) GC_set_warn_proc(warn_proc);
|
|
th1 = PCR_Th_Fork(run_one_test, 0);
|
|
th2 = PCR_Th_Fork(run_one_test, 0);
|
|
run_one_test();
|
|
if (PCR_Th_T_Join(th1, &code, NIL, PCR_allSigsBlocked, PCR_waitForever)
|
|
!= PCR_ERes_okay || code != 0) {
|
|
(void)GC_printf0("Thread 1 failed\n");
|
|
}
|
|
if (PCR_Th_T_Join(th2, &code, NIL, PCR_allSigsBlocked, PCR_waitForever)
|
|
!= PCR_ERes_okay || code != 0) {
|
|
(void)GC_printf0("Thread 2 failed\n");
|
|
}
|
|
check_heap_stats();
|
|
(void)fflush(stdout);
|
|
return(0);
|
|
}
|
|
#endif
|
|
|
|
#if defined(SOLARIS_THREADS) || defined(IRIX_THREADS) || defined(LINUX_THREADS)
|
|
void * thr_run_one_test(void * arg)
|
|
{
|
|
run_one_test();
|
|
return(0);
|
|
}
|
|
|
|
#ifdef GC_DEBUG
|
|
# define GC_free GC_debug_free
|
|
#endif
|
|
|
|
#ifdef SOLARIS_THREADS
|
|
main()
|
|
{
|
|
thread_t th1;
|
|
thread_t th2;
|
|
int code;
|
|
|
|
n_tests = 0;
|
|
GC_INIT(); /* Only needed if gc is dynamic library. */
|
|
GC_enable_incremental();
|
|
(void) GC_set_warn_proc(warn_proc);
|
|
if (thr_keycreate(&fl_key, GC_free) != 0) {
|
|
(void)GC_printf1("Key creation failed %lu\n", (unsigned long)code);
|
|
FAIL;
|
|
}
|
|
if ((code = thr_create(0, 1024*1024, thr_run_one_test, 0, 0, &th1)) != 0) {
|
|
(void)GC_printf1("Thread 1 creation failed %lu\n", (unsigned long)code);
|
|
FAIL;
|
|
}
|
|
if ((code = thr_create(0, 1024*1024, thr_run_one_test, 0, THR_NEW_LWP, &th2)) != 0) {
|
|
(void)GC_printf1("Thread 2 creation failed %lu\n", (unsigned long)code);
|
|
FAIL;
|
|
}
|
|
run_one_test();
|
|
if ((code = thr_join(th1, 0, 0)) != 0) {
|
|
(void)GC_printf1("Thread 1 failed %lu\n", (unsigned long)code);
|
|
FAIL;
|
|
}
|
|
if (thr_join(th2, 0, 0) != 0) {
|
|
(void)GC_printf1("Thread 2 failed %lu\n", (unsigned long)code);
|
|
FAIL;
|
|
}
|
|
check_heap_stats();
|
|
(void)fflush(stdout);
|
|
return(0);
|
|
}
|
|
#else /* pthreads */
|
|
main()
|
|
{
|
|
pthread_t th1;
|
|
pthread_t th2;
|
|
pthread_attr_t attr;
|
|
int code;
|
|
|
|
# ifdef IRIX_THREADS
|
|
/* Force a larger stack to be preallocated */
|
|
/* Since the initial cant always grow later. */
|
|
*((volatile char *)&code - 1024*1024) = 0; /* Require 1 Mb */
|
|
# endif /* IRIX_THREADS */
|
|
pthread_attr_init(&attr);
|
|
# ifdef IRIX_THREADS
|
|
pthread_attr_setstacksize(&attr, 1000000);
|
|
# endif
|
|
n_tests = 0;
|
|
# ifdef MPROTECT_VDB
|
|
GC_enable_incremental();
|
|
(void) GC_printf0("Switched to incremental mode\n");
|
|
(void) GC_printf0("Emulating dirty bits with mprotect/signals\n");
|
|
# endif
|
|
(void) GC_set_warn_proc(warn_proc);
|
|
if (pthread_key_create(&fl_key, 0) != 0) {
|
|
(void)GC_printf1("Key creation failed %lu\n", (unsigned long)code);
|
|
FAIL;
|
|
}
|
|
if ((code = pthread_create(&th1, &attr, thr_run_one_test, 0)) != 0) {
|
|
(void)GC_printf1("Thread 1 creation failed %lu\n", (unsigned long)code);
|
|
FAIL;
|
|
}
|
|
if ((code = pthread_create(&th2, &attr, thr_run_one_test, 0)) != 0) {
|
|
(void)GC_printf1("Thread 2 creation failed %lu\n", (unsigned long)code);
|
|
FAIL;
|
|
}
|
|
run_one_test();
|
|
if ((code = pthread_join(th1, 0)) != 0) {
|
|
(void)GC_printf1("Thread 1 failed %lu\n", (unsigned long)code);
|
|
FAIL;
|
|
}
|
|
if (pthread_join(th2, 0) != 0) {
|
|
(void)GC_printf1("Thread 2 failed %lu\n", (unsigned long)code);
|
|
FAIL;
|
|
}
|
|
check_heap_stats();
|
|
(void)fflush(stdout);
|
|
pthread_attr_destroy(&attr);
|
|
GC_printf1("Completed %d collections\n", GC_gc_no);
|
|
return(0);
|
|
}
|
|
#endif /* pthreads */
|
|
#endif /* SOLARIS_THREADS || IRIX_THREADS || LINUX_THREADS */
|