LoaderIndex
loader_find_or_create(JNIEnv *env, jobject loader)
{
    LoaderIndex index;

    /* See if we remembered the system loader */
    if ( loader==NULL && gdata->system_loader != 0 ) {
        return gdata->system_loader;
    }
    if ( loader==NULL ) {
        env = NULL;
    }
    index = search(env, loader);
    if ( index == 0 ) {
        static LoaderInfo  empty_info;
        LoaderInfo  info;

        info = empty_info;
        if ( loader != NULL ) {
            HPROF_ASSERT(env!=NULL);
            info.globalref = newWeakGlobalReference(env, loader);
            info.object_index = 0;
        }
        index = table_create_entry(gdata->loader_table, NULL, 0, (void*)&info);
    }
    HPROF_ASSERT(search(env,loader)==index);
    /* Remember the system loader */
    if ( loader==NULL && gdata->system_loader == 0 ) {
        gdata->system_loader = index;
    }
    return index;
}
ObjectIndex
object_new(SiteIndex site_index, jint size, ObjectKind kind, SerialNumber thread_serial_num)
{
    ObjectIndex index;
    ObjectKey   key;
    static ObjectKey empty_key;
    
    key            = empty_key;
    key.site_index = site_index;
    key.size       = size;
    key.kind       = kind;
    if ( gdata->heap_dump ) {
	static ObjectInfo empty_info;
	ObjectInfo i;

	i = empty_info;
	i.thread_serial_num = thread_serial_num;
        key.serial_num = gdata->object_serial_number_counter++;
	index = table_create_entry(gdata->object_table, 
			    &key, (int)sizeof(ObjectKey), &i);
    } else {
        key.serial_num = 
	     class_get_serial_number(site_get_class_index(site_index));
	index = table_find_or_create_entry(gdata->object_table, 
			    &key, (int)sizeof(ObjectKey), NULL, NULL);
    }
    site_update_stats(site_index, size, 1);
    return index;
}
/* Save away a reference to an object */
RefIndex
reference_obj(RefIndex next, jvmtiHeapReferenceKind refKind, 
              ObjectIndex object_index, jint index, jint length)
{
    static RefInfo  empty_info;
    RefIndex        entry;
    RefInfo         info;
    
    info                = empty_info;
    info.flavor         = INFO_OBJECT_REF_DATA;
    info.refKind        = refKind;
    info.object_index   = object_index;
    info.index          = index;
    info.length         = length;
    info.next           = next;
    entry = table_create_entry(gdata->reference_table, NULL, 0, (void*)&info);
    return entry;
}
Exemple #4
0
RefIndex
reference_new(RefIndex next, 
		jvmtiObjectReferenceKind kind,
		jlong class_tag, jlong size, jlong object_tag,
		jint element_index)
{
    RefIndex index;
    static RefInfo  empty_info;
    RefInfo  info;
    
    info                = empty_info;
    info.kind 		= kind;
    info.element_index  = element_index;
    info.class_tag 	= class_tag;
    info.size 		= size;
    info.object_tag 	= object_tag;
    info.next 		= next;
    index = table_create_entry(gdata->reference_table, NULL, 0, (void*)&info);
    return index;
}
/* Save away some primitive field data */
RefIndex
reference_prim_field(RefIndex next, jvmtiHeapReferenceKind refKind, 
              jvmtiPrimitiveType primType, jvalue field_value, jint field_index)
{
    static RefInfo  empty_info;
    RefIndex        entry;
    RefInfo         info;
   
    HPROF_ASSERT(primType==JVMTI_PRIMITIVE_TYPE_BOOLEAN?(field_value.b==1||field_value.b==0):1);
    
    info                = empty_info;
    info.flavor         = INFO_PRIM_FIELD_DATA;
    info.refKind        = refKind;
    info.primType       = primType;
    info.index          = field_index;
    info.length         = -1;
    info.next           = next;
    entry = table_create_entry(gdata->reference_table, 
                (void*)&field_value, (int)sizeof(jvalue), (void*)&info);
    return entry;
}
/* Save away some primitive array data */
RefIndex
reference_prim_array(RefIndex next, jvmtiPrimitiveType primType, 
              const void *elements, jint elementCount)
{
    static RefInfo  empty_info;
    RefIndex        entry;
    RefInfo         info;
    
    HPROF_ASSERT(next == 0);
    HPROF_ASSERT(elementCount >= 0);
    HPROF_ASSERT(elements != NULL);
    
    info                = empty_info;
    info.flavor         = INFO_PRIM_ARRAY_DATA;
    info.refKind        = 0;
    info.primType       = primType;
    info.index          = 0;
    info.length         = elementCount;
    info.next           = next;
    entry = table_create_entry(gdata->reference_table, (void*)elements,
                         elementCount * get_prim_size(primType), (void*)&info);
    return entry;
}
Exemple #7
0
/* Check all the heap tags in a heap dump */
static int
check_tags(unsigned char *pstart, int nbytes)
{
    unsigned char      *p;
    int                 nrecord;
    struct LookupTable *utab;
    UmapInfo            umap;

    check_printf("\nCHECK TAGS: starting\n");

    utab    = table_initialize("temp utf8 map", 64, 64, 512, sizeof(UmapInfo));

    /* Walk the tags, assumes UTF8 tags are defined before used */
    p       = pstart;
    nrecord = 0;
    while ( p < (pstart+nbytes) ) {
        unsigned     tag;
        unsigned     size;
        int          nheap_records;
        int          npos;
        char        *label;
        HprofId      id, nm, sg, so, gr, gn;
        int          i, li, num_elements;
        HprofType    ty;
        SerialNumber trace_serial_num;
        SerialNumber thread_serial_num;
        SerialNumber class_serial_num;
        unsigned     flags;
        unsigned     depth;
        float        cutoff;
        unsigned     temp;
        jint         nblive;
        jint         nilive;
        jlong        tbytes;
        jlong        tinsts;
        jint         total_samples;
        jint         trace_count;

        nrecord++;
        /*LINTED*/
        npos = (int)(p - pstart);
        tag = read_u1(&p);
        (void)read_u4(&p); /* microsecs */
        size = read_u4(&p);
        #define CASE_TAG(name) case name: label = #name;
        switch ( tag ) {
            CASE_TAG(HPROF_UTF8)
                CHECK_FOR_ERROR(size>=(int)sizeof(HprofId));
                id = read_id(&p);
                check_printf("#%d@%d: %s, sz=%d, name_id=0x%x, \"",
                                nrecord, npos, label, size, id);
                num_elements = size-(int)sizeof(HprofId);
                check_raw(p, num_elements);
                check_printf("\"\n");
                /* Create entry in umap */
                umap.str = HPROF_MALLOC(num_elements+1);
                (void)strncpy(umap.str, (char*)p, (size_t)num_elements);
                umap.str[num_elements] = 0;
                (void)table_create_entry(utab, &id, sizeof(id), &umap);
                p += num_elements;
                break;
            CASE_TAG(HPROF_LOAD_CLASS)
                CHECK_FOR_ERROR(size==2*4+2*(int)sizeof(HprofId));
                class_serial_num = read_u4(&p);
                CHECK_CLASS_SERIAL_NO(class_serial_num);
                id = read_id(&p);
                trace_serial_num = read_u4(&p);
                CHECK_TRACE_SERIAL_NO(trace_serial_num);
                nm = read_id(&p);
                check_printf("#%d@%d: %s, sz=%d, class_serial_num=%u,"
                             " id=0x%x, trace_serial_num=%u, name_id=0x%x\n",
                                nrecord, npos, label, size, class_serial_num,
                                id, trace_serial_num, nm);
                break;
            CASE_TAG(HPROF_UNLOAD_CLASS)
                CHECK_FOR_ERROR(size==4);
                class_serial_num = read_u4(&p);
                CHECK_CLASS_SERIAL_NO(class_serial_num);
                check_printf("#%d@%d: %s, sz=%d, class_serial_num=%u\n",
                                nrecord, npos, label, size, class_serial_num);
                break;
            CASE_TAG(HPROF_FRAME)
                CHECK_FOR_ERROR(size==2*4+4*(int)sizeof(HprofId));
                id = read_id(&p);
                nm = read_id(&p);
                sg = read_id(&p);
                so = read_id(&p);
                class_serial_num = read_u4(&p);
                CHECK_CLASS_SERIAL_NO(class_serial_num);
                li = read_u4(&p);
                check_printf("#%d@%d: %s, sz=%d, ", nrecord, npos, label, size);
                check_print_utf8(utab, "id=", id);
                check_printf(" name_id=0x%x, sig_id=0x%x, source_id=0x%x,"
                             " class_serial_num=%u, lineno=%d\n",
                                nm, sg, so, class_serial_num, li);
                break;
            CASE_TAG(HPROF_TRACE)
                CHECK_FOR_ERROR(size>=3*4);
                trace_serial_num = read_u4(&p);
                CHECK_TRACE_SERIAL_NO(trace_serial_num);
                thread_serial_num = read_u4(&p); /* Can be 0 */
                num_elements = read_u4(&p);
                check_printf("#%d@%d: %s, sz=%d, trace_serial_num=%u,"
                             " thread_serial_num=%u, nelems=%d [",
                                nrecord, npos, label, size,
                                trace_serial_num, thread_serial_num, num_elements);
                for(i=0; i< num_elements; i++) {
                    check_printf("0x%x,", read_id(&p));
                }
                check_printf("]\n");
                break;
            CASE_TAG(HPROF_ALLOC_SITES)
                CHECK_FOR_ERROR(size>=2+4*4+2*8);
                flags = read_u2(&p);
                temp  = read_u4(&p);
                cutoff = *((float*)&temp);
                nblive = read_u4(&p);
                nilive = read_u4(&p);
                tbytes = read_u8(&p);
                tinsts = read_u8(&p);
                num_elements     = read_u4(&p);
                check_printf("#%d@%d: %s, sz=%d, flags=0x%x, cutoff=%g,"
                             " nblive=%d, nilive=%d, tbytes=(%d,%d),"
                             " tinsts=(%d,%d), num_elements=%d\n",
                                nrecord, npos, label, size,
                                flags, cutoff, nblive, nilive,
                                jlong_high(tbytes), jlong_low(tbytes),
                                jlong_high(tinsts), jlong_low(tinsts),
                                num_elements);
                for(i=0; i< num_elements; i++) {
                    ty = read_u1(&p);
                    class_serial_num = read_u4(&p);
                    CHECK_CLASS_SERIAL_NO(class_serial_num);
                    trace_serial_num = read_u4(&p);
                    CHECK_TRACE_SERIAL_NO(trace_serial_num);
                    nblive = read_u4(&p);
                    nilive = read_u4(&p);
                    tbytes = read_u4(&p);
                    tinsts = read_u4(&p);
                    check_printf("\t %d: ty=%d, class_serial_num=%u,"
                                 " trace_serial_num=%u, nblive=%d, nilive=%d,"
                                 " tbytes=%d, tinsts=%d\n",
                                 i, ty, class_serial_num, trace_serial_num,
                                 nblive, nilive, (jint)tbytes, (jint)tinsts);
                }
                break;
            CASE_TAG(HPROF_HEAP_SUMMARY)
                CHECK_FOR_ERROR(size==2*4+2*8);
                nblive = read_u4(&p);
                nilive = read_u4(&p);
                tbytes = read_u8(&p);
                tinsts = read_u8(&p);
                check_printf("#%d@%d: %s, sz=%d,"
                             " nblive=%d, nilive=%d, tbytes=(%d,%d),"
                             " tinsts=(%d,%d)\n",
                                nrecord, npos, label, size,
                                nblive, nilive,
                                jlong_high(tbytes), jlong_low(tbytes),
                                jlong_high(tinsts), jlong_low(tinsts));
                break;
            CASE_TAG(HPROF_START_THREAD)
                CHECK_FOR_ERROR(size==2*4+4*(int)sizeof(HprofId));
                thread_serial_num = read_u4(&p);
                CHECK_THREAD_SERIAL_NO(thread_serial_num);
                id = read_id(&p);
                trace_serial_num = read_u4(&p);
                CHECK_TRACE_SERIAL_NO(trace_serial_num);
                nm = read_id(&p);
                gr = read_id(&p);
                gn = read_id(&p);
                check_printf("#%d@%d: %s, sz=%d, thread_serial_num=%u,"
                             " id=0x%x, trace_serial_num=%u, ",
                                nrecord, npos, label, size,
                                thread_serial_num, id, trace_serial_num);
                check_print_utf8(utab, "nm=", id);
                check_printf(" trace_serial_num=%u, nm=0x%x,"
                             " gr=0x%x, gn=0x%x\n",
                                trace_serial_num, nm, gr, gn);
                break;
            CASE_TAG(HPROF_END_THREAD)
                CHECK_FOR_ERROR(size==4);
                thread_serial_num = read_u4(&p);
                CHECK_THREAD_SERIAL_NO(thread_serial_num);
                check_printf("#%d@%d: %s, sz=%d, thread_serial_num=%u\n",
                                nrecord, npos, label, size, thread_serial_num);
                break;
            CASE_TAG(HPROF_HEAP_DUMP)
                check_printf("#%d@%d: BEGIN: %s, sz=%d\n",
                                nrecord, npos, label, size);
                nheap_records = check_heap_tags(utab, p, size);
                check_printf("#%d@%d: END: %s, sz=%d, nheap_recs=%d\n",
                                nrecord, npos, label, size, nheap_records);
                p += size;
                break;
            CASE_TAG(HPROF_HEAP_DUMP_SEGMENT) /* 1.0.2 */
                check_printf("#%d@%d: BEGIN SEGMENT: %s, sz=%d\n",
                                nrecord, npos, label, size);
                nheap_records = check_heap_tags(utab, p, size);
                check_printf("#%d@%d: END SEGMENT: %s, sz=%d, nheap_recs=%d\n",
                                nrecord, npos, label, size, nheap_records);
                p += size;
                break;
            CASE_TAG(HPROF_HEAP_DUMP_END) /* 1.0.2 */
                check_printf("#%d@%d: SEGMENT END: %s, sz=%d\n",
                                nrecord, npos, label, size);
                break;
            CASE_TAG(HPROF_CPU_SAMPLES)
                CHECK_FOR_ERROR(size>=2*4);
                total_samples = read_u4(&p);
                trace_count = read_u4(&p);
                check_printf("#%d@%d: %s, sz=%d, total_samples=%d,"
                             " trace_count=%d\n",
                                nrecord, npos, label, size,
                                total_samples, trace_count);
                for(i=0; i< trace_count; i++) {
                    num_elements = read_u4(&p);
                    trace_serial_num = read_u4(&p);
                    CHECK_TRACE_SERIAL_NO(trace_serial_num);
                    check_printf("\t %d: samples=%d, trace_serial_num=%u\n",
                                 trace_serial_num, num_elements);
                }
                break;
            CASE_TAG(HPROF_CONTROL_SETTINGS)
                CHECK_FOR_ERROR(size==4+2);
                flags = read_u4(&p);
                depth = read_u2(&p);
                check_printf("#%d@%d: %s, sz=%d, flags=0x%x, depth=%d\n",
                                nrecord, npos, label, size, flags, depth);
                break;
            default:
                label = "UNKNOWN";
                check_printf("#%d@%d: %s, sz=%d\n",
                                nrecord, npos, label, size);
                HPROF_ERROR(JNI_TRUE, "unknown record type");
                p += size;
                break;
        }
        CHECK_FOR_ERROR(p<=(pstart+nbytes));
    }
    check_flush();
    CHECK_FOR_ERROR(p==(pstart+nbytes));
    table_cleanup(utab, &utab_cleanup, NULL);
    return nrecord;
}
Exemple #8
0
/* Given the heap dump data and the utf8 map, check/write the heap dump. */
static int
check_heap_tags(struct LookupTable *utab, unsigned char *pstart, int nbytes)
{
    int                 nrecords;
    unsigned char      *p;
    unsigned char      *psave;
    struct LookupTable *ctab;
    CmapInfo            cmap;
    char               *label;
    unsigned            tag;
    HprofType           ty;
    HprofId             id, id2, fr, sup;
    int                 num_elements;
    int                 num_bytes;
    SerialNumber        trace_serial_num;
    SerialNumber        thread_serial_num;
    int                 npos;
    int                 i;
    int                 inst_size;

    ctab     = table_initialize("temp ctab", 64, 64, 512, sizeof(CmapInfo));

    /* First pass over heap records just fills in the CmapInfo table */
    nrecords = 0;
    p        = pstart;
    while ( p < (pstart+nbytes) ) {
        nrecords++;
        /*LINTED*/
        npos = (int)(p - pstart);
        tag  = read_u1(&p);
        switch ( tag ) {
            CASE_HEAP(HPROF_GC_ROOT_UNKNOWN)
                id = read_id(&p);
                break;
            CASE_HEAP(HPROF_GC_ROOT_JNI_GLOBAL)
                id  = read_id(&p);
                id2 = read_id(&p);
                break;
            CASE_HEAP(HPROF_GC_ROOT_JNI_LOCAL)
                id = read_id(&p);
                thread_serial_num = read_u4(&p);
                fr = read_u4(&p);
                break;
            CASE_HEAP(HPROF_GC_ROOT_JAVA_FRAME)
                id = read_id(&p);
                thread_serial_num = read_u4(&p);
                fr = read_u4(&p);
                break;
            CASE_HEAP(HPROF_GC_ROOT_NATIVE_STACK)
                id = read_id(&p);
                thread_serial_num = read_u4(&p);
                break;
            CASE_HEAP(HPROF_GC_ROOT_STICKY_CLASS)
                id = read_id(&p);
                break;
            CASE_HEAP(HPROF_GC_ROOT_THREAD_BLOCK)
                id = read_id(&p);
                thread_serial_num = read_u4(&p);
                break;
            CASE_HEAP(HPROF_GC_ROOT_MONITOR_USED)
                id = read_id(&p);
                break;
            CASE_HEAP(HPROF_GC_ROOT_THREAD_OBJ)
                id = read_id(&p);
                thread_serial_num = read_u4(&p);
                trace_serial_num = read_u4(&p);
                break;
            CASE_HEAP(HPROF_GC_CLASS_DUMP)
                (void)memset((void*)&cmap, 0, sizeof(cmap));
                id = read_id(&p);
                trace_serial_num = read_u4(&p);
                {
                    HprofId ld, si, pr, re1, re2;

                    sup      = read_id(&p);
                    ld       = read_id(&p);
                    si       = read_id(&p);
                    pr       = read_id(&p);
                    re1      = read_id(&p);
                    re2      = read_id(&p);
                    cmap.sup = sup;
                }
                inst_size = read_u4(&p);
                cmap.inst_size = inst_size;
                num_elements = read_u2(&p);
                for(i=0; i<num_elements; i++) {
                    (void)read_u2(&p);
                    ty = read_u1(&p);
                    (void)read_val(&p, ty);
                }
                num_elements = read_u2(&p);
                for(i=0; i<num_elements; i++) {
                    (void)read_id(&p);
                    ty = read_u1(&p);
                    (void)read_val(&p, ty);
                }
                num_elements = read_u2(&p);
                for(i=0; i<num_elements; i++) {
                    HprofType ty;
                    HprofId   id;

                    id = read_id(&p);
                    ty = read_u1(&p);
                    add_inst_field_to_cmap(&cmap, id, ty);
                }
                (void)table_create_entry(ctab, &id, sizeof(id), &cmap);
                break;
            CASE_HEAP(HPROF_GC_INSTANCE_DUMP)
                id = read_id(&p);
                trace_serial_num = read_u4(&p);
                id2 = read_id(&p); /* class id */
                num_bytes = read_u4(&p);
                p += num_bytes;
                break;
            CASE_HEAP(HPROF_GC_OBJ_ARRAY_DUMP)
                id = read_id(&p);
                trace_serial_num = read_u4(&p);
                num_elements = read_u4(&p);
                id2 = read_id(&p);
                p += num_elements*(int)sizeof(HprofId);
                break;
            CASE_HEAP(HPROF_GC_PRIM_ARRAY_DUMP)
                id = read_id(&p);
                trace_serial_num = read_u4(&p);
                num_elements = read_u4(&p);
                ty = read_u1(&p);
                p += type_size[ty]*num_elements;
                break;
            default:
                label = "UNKNOWN";
                check_printf("H#%d@%d %s: ERROR!\n",
                                nrecords, npos, label);
                HPROF_ERROR(JNI_TRUE, "unknown heap record type");
                break;
        }
    }
    CHECK_FOR_ERROR(p==pstart+nbytes);

    /* Scan again once we have our cmap */
    nrecords = 0;
    p        = pstart;
    while ( p < (pstart+nbytes) ) {
        nrecords++;
        /*LINTED*/
        npos = (int)(p - pstart);
        tag  = read_u1(&p);
        switch ( tag ) {
            CASE_HEAP(HPROF_GC_ROOT_UNKNOWN)
                id = read_id(&p);
                check_printf("H#%d@%d %s: id=0x%x\n",
                        nrecords, npos, label, id);
                break;
            CASE_HEAP(HPROF_GC_ROOT_JNI_GLOBAL)
                id = read_id(&p);
                id2 = read_id(&p);
                check_printf("H#%d@%d %s: id=0x%x, id2=0x%x\n",
                        nrecords, npos, label, id, id2);
                break;
            CASE_HEAP(HPROF_GC_ROOT_JNI_LOCAL)
                id = read_id(&p);
                thread_serial_num = read_u4(&p);
                fr = read_u4(&p);
                check_printf("H#%d@%d %s: id=0x%x, thread_serial_num=%u, fr=0x%x\n",
                        nrecords, npos, label, id, thread_serial_num, fr);
                break;
            CASE_HEAP(HPROF_GC_ROOT_JAVA_FRAME)
                id = read_id(&p);
                thread_serial_num = read_u4(&p);
                fr = read_u4(&p);
                check_printf("H#%d@%d %s: id=0x%x, thread_serial_num=%u, fr=0x%x\n",
                        nrecords, npos, label, id, thread_serial_num, fr);
                break;
            CASE_HEAP(HPROF_GC_ROOT_NATIVE_STACK)
                id = read_id(&p);
                thread_serial_num = read_u4(&p);
                check_printf("H#%d@%d %s: id=0x%x, thread_serial_num=%u\n",
                        nrecords, npos, label, id, thread_serial_num);
                break;
            CASE_HEAP(HPROF_GC_ROOT_STICKY_CLASS)
                id = read_id(&p);
                check_printf("H#%d@%d %s: id=0x%x\n",
                        nrecords, npos, label, id);
                break;
            CASE_HEAP(HPROF_GC_ROOT_THREAD_BLOCK)
                id = read_id(&p);
                thread_serial_num = read_u4(&p);
                check_printf("H#%d@%d %s: id=0x%x, thread_serial_num=%u\n",
                        nrecords, npos, label, id, thread_serial_num);
                break;
            CASE_HEAP(HPROF_GC_ROOT_MONITOR_USED)
                id = read_id(&p);
                check_printf("H#%d@%d %s: id=0x%x\n",
                        nrecords, npos, label, id);
                break;
            CASE_HEAP(HPROF_GC_ROOT_THREAD_OBJ)
                id = read_id(&p);
                thread_serial_num = read_u4(&p);
                trace_serial_num = read_u4(&p);
                CHECK_TRACE_SERIAL_NO(trace_serial_num);
                check_printf("H#%d@%d %s: id=0x%x, thread_serial_num=%u,"
                             " trace_serial_num=%u\n",
                        nrecords, npos, label, id, thread_serial_num,
                        trace_serial_num);
                break;
            CASE_HEAP(HPROF_GC_CLASS_DUMP)
                id = read_id(&p);
                trace_serial_num = read_u4(&p);
                CHECK_TRACE_SERIAL_NO(trace_serial_num);
                check_printf("H#%d@%d %s: id=0x%x, trace_serial_num=%u\n",
                        nrecords, npos, label, id, trace_serial_num);
                {
                    HprofId ld, si, pr, re1, re2;

                    sup = read_id(&p);
                    ld  = read_id(&p);
                    si  = read_id(&p);
                    pr  = read_id(&p);
                    re1 = read_id(&p);
                    re2 = read_id(&p);
                    check_printf("  su=0x%x, ld=0x%x, si=0x%x,"
                                 " pr=0x%x, re1=0x%x, re2=0x%x\n",
                        sup, ld, si, pr, re1, re2);
                }
                inst_size = read_u4(&p);
                check_printf("  instance_size=%d\n", inst_size);

                num_elements = read_u2(&p);
                for(i=0; i<num_elements; i++) {
                    HprofType ty;
                    unsigned  cpi;
                    jvalue    val;

                    cpi = read_u2(&p);
                    ty  = read_u1(&p);
                    val = read_val(&p, ty);
                    check_printf("  constant_pool %d: cpi=%d, ty=%d, val=",
                                i, cpi, ty);
                    check_printf_val(ty, val, 1);
                    check_printf("\n");
                }

                num_elements = read_u2(&p);
                check_printf("  static_field_count=%d\n", num_elements);
                for(i=0; i<num_elements; i++) {
                    HprofType ty;
                    HprofId   id;
                    jvalue    val;

                    id  = read_id(&p);
                    ty  = read_u1(&p);
                    val = read_val(&p, ty);
                    check_printf("  static field %d: ", i);
                    check_print_utf8(utab, "id=", id);
                    check_printf(", ty=%d, val=", ty);
                    check_printf_val(ty, val, 1);
                    check_printf("\n");
                }

                num_elements = read_u2(&p);
                check_printf("  instance_field_count=%d\n", num_elements);
                for(i=0; i<num_elements; i++) {
                    HprofType ty;
                    HprofId   id;

                    id = read_id(&p);
                    ty = read_u1(&p);
                    check_printf("  instance_field %d: ", i);
                    check_print_utf8(utab, "id=", id);
                    check_printf(", ty=%d\n", ty);
                }
                break;
            CASE_HEAP(HPROF_GC_INSTANCE_DUMP)
                id = read_id(&p);
                trace_serial_num = read_u4(&p);
                CHECK_TRACE_SERIAL_NO(trace_serial_num);
                id2 = read_id(&p); /* class id */
                num_bytes = read_u4(&p);
                check_printf("H#%d@%d %s: id=0x%x, trace_serial_num=%u,"
                             " cid=0x%x, nbytes=%d\n",
                            nrecords, npos, label, id, trace_serial_num,
                            id2, num_bytes);
                /* This is a packed set of bytes for the instance fields */
                if ( num_bytes > 0 ) {
                    TableIndex cindex;
                    int        ifield;
                    CmapInfo  *map;

                    cindex = table_find_entry(ctab, &id2, sizeof(id2));
                    HPROF_ASSERT(cindex!=0);
                    map = (CmapInfo*)table_get_info(ctab, cindex);
                    HPROF_ASSERT(map!=NULL);
                    HPROF_ASSERT(num_bytes==map->inst_size);

                    psave  = p;
                    ifield = 0;

                    do {
                        for(i=0;i<map->n_finfo;i++) {
                            HprofType ty;
                            HprofId   id;
                            jvalue    val;

                            ty = map->finfo[i].ty;
                            id = map->finfo[i].id;
                            HPROF_ASSERT(ty!=0);
                            HPROF_ASSERT(id!=0);
                            val = read_val(&p, ty);
                            check_printf("  field %d: ", ifield);
                            check_print_utf8(utab, "id=", id);
                            check_printf(", ty=%d, val=", ty);
                            check_printf_val(ty, val, 1);
                            check_printf("\n");
                            ifield++;
                        }
                        id2    = map->sup;
                        map    = NULL;
                        cindex = 0;
                        if ( id2 != 0 ) {
                            cindex = table_find_entry(ctab, &id2, sizeof(id2));
                            HPROF_ASSERT(cindex!=0);
                            map = (CmapInfo*)table_get_info(ctab, cindex);
                            HPROF_ASSERT(map!=NULL);
                        }
                    } while ( map != NULL );
                    HPROF_ASSERT(num_bytes==(p-psave));
                }
                break;
            CASE_HEAP(HPROF_GC_OBJ_ARRAY_DUMP)
                id = read_id(&p);
                trace_serial_num = read_u4(&p);
                CHECK_TRACE_SERIAL_NO(trace_serial_num);
                num_elements = read_u4(&p);
                id2 = read_id(&p);
                check_printf("H#%d@%d %s: id=0x%x, trace_serial_num=%u, nelems=%d, eid=0x%x\n",
                                nrecords, npos, label, id, trace_serial_num, num_elements, id2);
                for(i=0; i<num_elements; i++) {
                    HprofId id;

                    id = read_id(&p);
                    check_printf("  [%d]: id=0x%x\n", i, id);
                }
                break;
            CASE_HEAP(HPROF_GC_PRIM_ARRAY_DUMP)
                id = read_id(&p);
                trace_serial_num = read_u4(&p);
                CHECK_TRACE_SERIAL_NO(trace_serial_num);
                num_elements = read_u4(&p);
                ty = read_u1(&p);
                psave = p;
                check_printf("H#%d@%d %s: id=0x%x, trace_serial_num=%u, "
                             "nelems=%d, ty=%d\n",
                                nrecords, npos, label, id, trace_serial_num, num_elements, ty);
                HPROF_ASSERT(HPROF_TYPE_IS_PRIMITIVE(ty));
                if ( num_elements > 0 ) {
                    int   count;
                    int   long_form;
                    int   max_count;
                    char *quote;

                    quote     = "";
                    long_form = 1;
                    max_count = 8;
                    count     = 0;
                    switch ( ty ) {
                        case HPROF_CHAR:
                            long_form = 0;
                            max_count = 72;
                            quote     = "\"";
                            /*FALLTHRU*/
                        case HPROF_INT:
                        case HPROF_DOUBLE:
                        case HPROF_LONG:
                        case HPROF_BYTE:
                        case HPROF_BOOLEAN:
                        case HPROF_SHORT:
                        case HPROF_FLOAT:
                            check_printf("  val=%s", quote);
                            for(i=0; i<num_elements; i++) {
                                jvalue val;

                                if ( i > 0 && count == 0 ) {
                                    check_printf("  %s", quote);
                                }
                                val = read_val(&p, ty);
                                check_printf_val(ty, val, long_form);
                                count += 1;
                                if ( count >= max_count ) {
                                    check_printf("\"\n");
                                    count = 0;
                                }
                            }
                            if ( count != 0 ) {
                                check_printf("%s\n", quote);
                            }
                            break;
                    }
                }
                HPROF_ASSERT(type_size[ty]*num_elements==(p-psave));
                break;
            default:
                label = "UNKNOWN";
                check_printf("H#%d@%d %s: ERROR!\n",
                                nrecords, npos, label);
                HPROF_ERROR(JNI_TRUE, "unknown heap record type");
                break;
        }
    }
    CHECK_FOR_ERROR(p==pstart+nbytes);

    table_cleanup(ctab, &cmap_cleanup, NULL);

    return nrecords;
}