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/*
* Copyright (c) 2003, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include <string.h>
#include "jvmti.h"
#include "agent_common.hpp"
#include "jni_tools.hpp"
#include "jvmti_tools.hpp"
extern "C" {
/* min and max values defined in jvmtiParamTypes */
#define PARAM_TYPE_MIN_VALUE 101
#define PARAM_TYPE_MAX_VALUE 117
/* min and max values defined in jvmtiParamKind */
#define PARAM_KIND_MIN_VALUE 91
#define PARAM_KIND_MAX_VALUE 97
#define NAME_PREFIX "com.sun.hotspot"
/* ============================================================================= */
static jlong timeout = 0;
/* ============================================================================= */
/** Check extension functions. */
static int checkExtensions(jvmtiEnv* jvmti, const char phase[]) {
int success = NSK_TRUE;
jint extCount = 0;
jvmtiExtensionFunctionInfo* extList = nullptr;
int i;
NSK_DISPLAY0("Get extension functions list\n");
if (!NSK_JVMTI_VERIFY(jvmti->GetExtensionFunctions(&extCount, &extList))) {
return NSK_FALSE;
}
NSK_DISPLAY1(" ... got count: %d\n", (int)extCount);
NSK_DISPLAY1(" ... got list: 0x%p\n", (void*)extList);
if (extCount > 0) {
if (extList == nullptr) {
NSK_COMPLAIN3("In %s phase GetExtensionFunctions() returned null pointer:\n"
"# extensions pointer: 0x%p\n"
"# extensions count: %d\n",
phase, (void*)extList, (int)extCount);
return NSK_FALSE;
}
NSK_DISPLAY1("Check each extension functions: %d functions\n", (int)extCount);
for (i = 0; i < extCount; i++) {
int j;
NSK_DISPLAY1(" function #%d:\n", i);
NSK_DISPLAY1(" func: 0x%p\n", (void*)extList[i].func);
NSK_DISPLAY1(" id: \"%s\"\n", nsk_null_string(extList[i].id));
NSK_DISPLAY1(" short_desc: \"%s\"\n", nsk_null_string(extList[i].short_description));
NSK_DISPLAY1(" param_count: %d\n", (int)extList[i].param_count);
NSK_DISPLAY1(" params: 0x%p\n", (void*)extList[i].params);
if (extList[i].params != nullptr) {
for (j = 0; j < extList[i].param_count; j++) {
NSK_DISPLAY1(" param #%d:\n", j);
NSK_DISPLAY1(" name: \"%s\"\n",
nsk_null_string(extList[i].params[j].name));
NSK_DISPLAY1(" kind: %d\n",
(int)extList[i].params[j].kind);
NSK_DISPLAY1(" base_type: %d\n",
(int)extList[i].params[j].base_type);
NSK_DISPLAY1(" null_ok: %d\n",
(int)extList[i].params[j].null_ok);
}
}
NSK_DISPLAY1(" error_count: %d\n", (int)extList[i].error_count);
NSK_DISPLAY1(" errors: 0x%p\n", (void*)extList[i].errors);
if (extList[i].errors != nullptr) {
for (j = 0; j < extList[i].error_count; j++) {
NSK_DISPLAY2(" error #%d: %d\n",
j, (int)extList[i].errors[j]);
}
}
if (extList[i].func == nullptr
|| extList[i].id == nullptr
|| extList[i].short_description == nullptr
|| (extList[i].params == nullptr && extList[i].param_count > 0)
|| (extList[i].errors == nullptr && extList[i].error_count > 0)) {
NSK_COMPLAIN9("In %s phase GetExtensionFunctions() returned function #%d with null attribute(s):\n"
"# func: 0x%p\n"
"# id: 0x%p (%s)\n"
"# short_desc: 0x%p (%s)\n"
"# params: 0x%p\n"
"# errors: 0x%p\n",
phase, i,
(void*)extList[i].func,
(void*)extList[i].id, nsk_null_string(extList[i].id),
(void*)extList[i].short_description, nsk_null_string(extList[i].short_description),
(void*)extList[i].params, (void*)extList[i].errors);
success = NSK_FALSE;
}
if (extList[i].id != nullptr && strlen(extList[i].id) <= 0) {
NSK_COMPLAIN6("In %s phase GetExtensionFunctions() returned function #%d with empty id:\n"
"# func: 0x%p\n"
"# id: \"%s\"\n"
"# short_desc: \"%s\"\n"
"# param_count: %d\n",
phase, i,
extList[i].func,
nsk_null_string(extList[i].id),
nsk_null_string(extList[i].short_description),
(int)extList[i].param_count);
success = NSK_FALSE;
} else if (strstr(extList[i].id, NAME_PREFIX) == nullptr) {
NSK_COMPLAIN6("In %s phase GetExtensionFunctions() returned function #%d with unexpected id:\n"
"# func: 0x%p\n"
"# id: \"%s\"\n"
"# short_desc: \"%s\"\n"
"# param_count: %d\n",
phase, i,
extList[i].func,
nsk_null_string(extList[i].id),
nsk_null_string(extList[i].short_description),
(int)extList[i].param_count);
success = NSK_FALSE;
}
if (extList[i].short_description != nullptr && strlen(extList[i].short_description) <= 0) {
NSK_COMPLAIN6("In %s phase GetExtensionFunctions() returned function #%d with empty desc:\n"
"# func: 0x%p\n"
"# id: \"%s\"\n"
"# short_desc: \"%s\"\n"
"# param_count: %d\n",
phase, i,
extList[i].func,
nsk_null_string(extList[i].id),
nsk_null_string(extList[i].short_description),
(int)extList[i].param_count);
success = NSK_FALSE;
}
if (extList[i].param_count > 0 && extList[i].params != nullptr) {
for (j = 0; j < extList[i].param_count; j++) {
if (extList[i].params[j].name == nullptr
|| strlen(extList[i].params[j].name) <= 0) {
NSK_COMPLAIN9("In %s phase GetExtensionFunctions() returned function #%d with empty desc:\n"
"# func: 0x%p\n"
"# id: \"%s\"\n"
"# short_desc: \"%s\"\n"
"# param_count: %d\n"
"# param #%d: \n"
"# name: 0x%p (%s)\n",
phase, i,
extList[i].func,
nsk_null_string(extList[i].id),
nsk_null_string(extList[i].short_description),
(int)extList[i].param_count,
j,
(void*)extList[i].params[j].name,
nsk_null_string(extList[i].params[j].name));
success = NSK_FALSE;
}
if (extList[i].params[j].kind < PARAM_KIND_MIN_VALUE
|| extList[i].params[j].kind > PARAM_KIND_MAX_VALUE) {
NSK_COMPLAIN9("In %s phase GetExtensionFunctions() returned function #%d with incorrect parameter kind:\n"
"# func: 0x%p\n"
"# id: \"%s\"\n"
"# short_desc: \"%s\"\n"
"# param_count: %d\n"
"# param #%d: \n"
"# name: 0x%p (%s)\n",
phase, i,
extList[i].func,
nsk_null_string(extList[i].id),
nsk_null_string(extList[i].short_description),
(int)extList[i].param_count,
j,
(void*)extList[i].params[j].name,
nsk_null_string(extList[i].params[j].name));
success = NSK_FALSE;
}
if (extList[i].params[j].base_type < PARAM_TYPE_MIN_VALUE
|| extList[i].params[j].base_type > PARAM_TYPE_MAX_VALUE) {
NSK_COMPLAIN9("In %s phase GetExtensionFunctions() returned function #%d with incorrect parameter type:\n"
"# func: 0x%p\n"
"# id: \"%s\"\n"
"# short_desc: \"%s\"\n"
"# param_count: %d\n"
"# param #%d: \n"
"# name: 0x%p (%s)\n",
phase, i,
extList[i].func,
nsk_null_string(extList[i].id),
nsk_null_string(extList[i].short_description),
(int)extList[i].param_count,
j,
(void*)extList[i].params[j].name,
nsk_null_string(extList[i].params[j].name));
success = NSK_FALSE;
}
}
}
}
}
NSK_DISPLAY1("Deallocate extension functions list: 0x%p\n", (void*)extList);
if (!NSK_JVMTI_VERIFY(jvmti->Deallocate((unsigned char*)extList))) {
return NSK_FALSE;
}
NSK_DISPLAY0(" ... deallocated\n");
return success;
}
/* ============================================================================= */
/** Agent algorithm. */
static void JNICALL
agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
NSK_DISPLAY0("Wait for debugee class ready\n");
if (!NSK_VERIFY(nsk_jvmti_waitForSync(timeout)))
return;
NSK_DISPLAY0(">>> Testcase #2: Check extension functions in live phase\n");
{
if (!checkExtensions(jvmti, "live")) {
nsk_jvmti_setFailStatus();
}
}
NSK_DISPLAY0("Let debugee to finish\n");
if (!NSK_VERIFY(nsk_jvmti_resumeSync()))
return;
}
/* ============================================================================= */
/** Agent library initialization. */
#ifdef STATIC_BUILD
JNIEXPORT jint JNICALL Agent_OnLoad_extfuncs001(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNICALL Agent_OnAttach_extfuncs001(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNI_OnLoad_extfuncs001(JavaVM *jvm, char *options, void *reserved) {
return JNI_VERSION_1_8;
}
#endif
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
jvmtiEnv* jvmti = nullptr;
if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
return JNI_ERR;
timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
if (!NSK_VERIFY((jvmti =
nsk_jvmti_createJVMTIEnv(jvm, reserved)) != nullptr))
return JNI_ERR;
NSK_DISPLAY0(">>> Testcase #1: Check extension functions in OnLoad phase\n");
{
if (!checkExtensions(jvmti, "OnLoad")) {
nsk_jvmti_setFailStatus();
}
}
if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, nullptr)))
return JNI_ERR;
return JNI_OK;
}
/* ============================================================================= */
}
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