Java example source code file (hprof_check.c)
The hprof_check.c Java example source code/*
* Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
/* Functionality for checking hprof format=b output. */
/* ONLY used with logflags=4. */
/* Verifies and write a verbose textual version of a format=b file.
* Textual output file is gdata->checkfilename, fd is gdata->check_fd.
* Buffer is in gdata too, see gdata->check* variables.
* Could probably be isolated to a separate library or utility.
*/
#include "hprof.h"
typedef TableIndex HprofId;
#include "hprof_b_spec.h"
static int type_size[ /*HprofType*/ ] = HPROF_TYPE_SIZES;
/* For map from HPROF_UTF8 to a string */
typedef struct UmapInfo {
char *str;
} UmapInfo;
/* Field information */
typedef struct Finfo {
HprofId id;
HprofType ty;
} Finfo;
/* Class information map from class ID (ClassIndex) to class information */
typedef struct CmapInfo {
int max_finfo;
int n_finfo;
Finfo *finfo;
int inst_size;
HprofId sup;
} CmapInfo;
/* Read raw bytes from the file image, update the pointer */
static void
read_raw(unsigned char **pp, unsigned char *buf, int len)
{
while ( len > 0 ) {
*buf = **pp;
buf++;
(*pp)++;
len--;
}
}
/* Read various sized elements, properly converted from big to right endian.
* File will contain big endian format.
*/
static unsigned
read_u1(unsigned char **pp)
{
unsigned char b;
read_raw(pp, &b, 1);
return b;
}
static unsigned
read_u2(unsigned char **pp)
{
unsigned short s;
read_raw(pp, (void*)&s, 2);
return md_htons(s);
}
static unsigned
read_u4(unsigned char **pp)
{
unsigned int u;
read_raw(pp, (void*)&u, 4);
return md_htonl(u);
}
static jlong
read_u8(unsigned char **pp)
{
unsigned int high;
unsigned int low;
jlong x;
high = read_u4(pp);
low = read_u4(pp);
x = high;
x = (x << 32) | low;
return x;
}
static HprofId
read_id(unsigned char **pp)
{
return (HprofId)read_u4(pp);
}
/* System error routine */
static void
system_error(const char *system_call, int rc, int errnum)
{
char buf[256];
char details[256];
details[0] = 0;
if ( errnum != 0 ) {
md_system_error(details, (int)sizeof(details));
} else if ( rc >= 0 ) {
(void)strcpy(details,"Only part of buffer processed");
}
if ( details[0] == 0 ) {
(void)strcpy(details,"Unknown system error condition");
}
(void)md_snprintf(buf, sizeof(buf), "System %s failed: %s\n",
system_call, details);
HPROF_ERROR(JNI_TRUE, buf);
}
/* Write to a fd */
static void
system_write(int fd, void *buf, int len)
{
int res;
HPROF_ASSERT(fd>=0);
res = md_write(fd, buf, len);
if (res < 0 || res!=len) {
system_error("write", res, errno);
}
}
/* Flush check buffer */
static void
check_flush(void)
{
if ( gdata->check_fd < 0 ) {
return;
}
if (gdata->check_buffer_index) {
system_write(gdata->check_fd, gdata->check_buffer, gdata->check_buffer_index);
gdata->check_buffer_index = 0;
}
}
/* Read out a given typed element */
static jvalue
read_val(unsigned char **pp, HprofType ty)
{
jvalue val;
static jvalue empty_val;
val = empty_val;
switch ( ty ) {
case 0:
case HPROF_ARRAY_OBJECT:
case HPROF_NORMAL_OBJECT:
val.i = read_id(pp);
break;
case HPROF_BYTE:
case HPROF_BOOLEAN:
val.b = read_u1(pp);
break;
case HPROF_CHAR:
case HPROF_SHORT:
val.s = read_u2(pp);
break;
case HPROF_FLOAT:
case HPROF_INT:
val.i = read_u4(pp);
break;
case HPROF_DOUBLE:
case HPROF_LONG:
val.j = read_u8(pp);
break;
default:
HPROF_ERROR(JNI_TRUE, "bad type number");
break;
}
return val;
}
/* Move arbitrary byte stream into gdata->check_fd */
static void
check_raw(void *buf, int len)
{
if ( gdata->check_fd < 0 ) {
return;
}
if ( len <= 0 ) {
return;
}
if (gdata->check_buffer_index + len > gdata->check_buffer_size) {
check_flush();
if (len > gdata->check_buffer_size) {
system_write(gdata->check_fd, buf, len);
return;
}
}
(void)memcpy(gdata->check_buffer + gdata->check_buffer_index, buf, len);
gdata->check_buffer_index += len;
}
/* Printf for gdata->check_fd */
static void
check_printf(char *fmt, ...)
{
char buf[1024];
va_list args;
if ( gdata->check_fd < 0 ) {
return;
}
va_start(args, fmt);
(void)md_vsnprintf(buf, sizeof(buf), fmt, args);
buf[sizeof(buf)-1] = 0;
check_raw(buf, (int)strlen(buf));
va_end(args);
}
/* Printf of an element for gdata->check_fd */
static void
check_printf_val(HprofType ty, jvalue val, int long_form)
{
jint low;
jint high;
switch ( ty ) {
case HPROF_ARRAY_OBJECT:
check_printf("0x%08x", val.i);
break;
case HPROF_NORMAL_OBJECT:
check_printf("0x%08x", val.i);
break;
case HPROF_BOOLEAN:
check_printf("0x%02x", val.b);
break;
case HPROF_CHAR:
if ( long_form ) {
if ( val.s < 0 || val.s > 0x7f || !isprint(val.s) ) {
check_printf("0x%04x", val.s);
} else {
check_printf("0x%04x(%c)", val.s, val.s);
}
} else {
if ( val.s < 0 || val.s > 0x7f || !isprint(val.s) ) {
check_printf("\\u%04x", val.s);
} else {
check_printf("%c", val.s);
}
}
break;
case HPROF_FLOAT:
low = jlong_low(val.j);
check_printf("0x%08x(%f)", low, (double)val.f);
break;
case HPROF_DOUBLE:
high = jlong_high(val.j);
low = jlong_low(val.j);
check_printf("0x%08x%08x(%f)", high, low, val.d);
break;
case HPROF_BYTE:
check_printf("0x%02x", val.b);
break;
case HPROF_SHORT:
check_printf("0x%04x", val.s);
break;
case HPROF_INT:
check_printf("0x%08x", val.i);
break;
case HPROF_LONG:
high = jlong_high(val.j);
low = jlong_low(val.j);
check_printf("0x%08x%08x", high, low);
break;
}
}
/* Printf of a string for gdata->check_fd */
static void
check_printf_str(char *str)
{
int len;
int i;
if ( str == NULL ) {
check_printf("<null>");
}
check_printf("\"");
len = (int)strlen(str);
for (i = 0; i < len; i++) {
unsigned char c;
c = str[i];
if ( isprint(c) ) {
check_printf("%c", c);
} else {
check_printf("\\x%02x", c);
}
}
check_printf("\"");
}
/* Printf of a utf8 id for gdata->check_fd */
static void
check_print_utf8(struct LookupTable *utab, char *prefix, HprofId id)
{
TableIndex uindex;
if ( id == 0 ) {
check_printf("%s0x%x", prefix, id);
} else {
uindex = table_find_entry(utab, &id, sizeof(id));
if ( uindex == 0 ) {
check_printf("%s0x%x", prefix, id);
} else {
UmapInfo *umap;
umap = (UmapInfo*)table_get_info(utab, uindex);
HPROF_ASSERT(umap!=NULL);
HPROF_ASSERT(umap->str!=NULL);
check_printf("%s0x%x->", prefix, id);
check_printf_str(umap->str);
}
}
}
/* Add a instance field information to this cmap. */
static void
add_inst_field_to_cmap(CmapInfo *cmap, HprofId id, HprofType ty)
{
int i;
HPROF_ASSERT(cmap!=NULL);
i = cmap->n_finfo++;
if ( i+1 >= cmap->max_finfo ) {
int osize;
Finfo *new_finfo;
osize = cmap->max_finfo;
cmap->max_finfo += 12;
new_finfo = (Finfo*)HPROF_MALLOC(cmap->max_finfo*(int)sizeof(Finfo));
(void)memset(new_finfo,0,cmap->max_finfo*(int)sizeof(Finfo));
if ( i == 0 ) {
cmap->finfo = new_finfo;
} else {
(void)memcpy(new_finfo,cmap->finfo,osize*(int)sizeof(Finfo));
HPROF_FREE(cmap->finfo);
cmap->finfo = new_finfo;
}
}
cmap->finfo[i].id = id;
cmap->finfo[i].ty = ty;
}
/* LookupTable callback for cmap entry cleanup */
static void
cmap_cleanup(TableIndex i, void *key_ptr, int key_len, void*info, void*data)
{
CmapInfo *cmap = info;
if ( cmap == NULL ) {
return;
}
if ( cmap->finfo != NULL ) {
HPROF_FREE(cmap->finfo);
cmap->finfo = NULL;
}
}
/* Case label for a switch on hprof heap dump elements */
#define CASE_HEAP(name) case name: label = #name;
/* 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;
}
/* LookupTable cleanup callback for utab */
static void
utab_cleanup(TableIndex i, void *key_ptr, int key_len, void*info, void*data)
{
UmapInfo *umap = info;
if ( umap == NULL ) {
return;
}
if ( umap->str != NULL ) {
HPROF_FREE(umap->str);
umap->str = NULL;
}
}
/* 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;
}
/* Read the entire file into memory */
static void *
get_binary_file_image(char *filename, int *pnbytes)
{
unsigned char *image;
int fd;
jlong nbytes;
int nread;
*pnbytes = 0;
fd = md_open_binary(filename);
CHECK_FOR_ERROR(fd>=0);
if ( (nbytes = md_seek(fd, (jlong)-1)) == (jlong)-1 ) {
HPROF_ERROR(JNI_TRUE, "Cannot md_seek() to end of file");
}
CHECK_FOR_ERROR(((jint)nbytes)>512);
if ( md_seek(fd, (jlong)0) != (jlong)0 ) {
HPROF_ERROR(JNI_TRUE, "Cannot md_seek() to start of file");
}
image = HPROF_MALLOC(((jint)nbytes)+1);
CHECK_FOR_ERROR(image!=NULL);
/* Read the entire file image into memory */
nread = md_read(fd, image, (jint)nbytes);
if ( nread <= 0 ) {
HPROF_ERROR(JNI_TRUE, "System read failed.");
}
CHECK_FOR_ERROR(((jint)nbytes)==nread);
md_close(fd);
*pnbytes = (jint)nbytes;
return image;
}
/* ------------------------------------------------------------------ */
void
check_binary_file(char *filename)
{
unsigned char *image;
unsigned char *p;
unsigned idsize;
int nbytes;
int nrecords;
image = get_binary_file_image(filename, &nbytes);
if ( image == NULL ) {
check_printf("No file image: %s\n", filename);
return;
}
p = image;
CHECK_FOR_ERROR(strcmp((char*)p, gdata->header)==0);
check_printf("Filename=%s, nbytes=%d, header=\"%s\"\n",
filename, nbytes, p);
p+=((int)strlen((char*)p)+1);
idsize = read_u4(&p);
CHECK_FOR_ERROR(idsize==sizeof(HprofId));
(void)read_u4(&p);
(void)read_u4(&p);
/* LINTED */
nrecords = check_tags(p, nbytes - (int)( p - image ) );
check_printf("#%d total records found in %d bytes\n", nrecords, nbytes);
HPROF_FREE(image);
}
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