369 lines
12 KiB
C++
369 lines
12 KiB
C++
/*
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* Copyright (c) 2003, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "jvmti.h"
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#include "agent_common.hpp"
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#include "jni_tools.hpp"
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#include "jvmti_tools.hpp"
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extern "C" {
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/* ============================================================================= */
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static jlong timeout = 0;
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#define STATUS_FAIL 97
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#define EVENTS_COUNT 2
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static jvmtiEvent events[EVENTS_COUNT] = {
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JVMTI_EVENT_VM_INIT,
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JVMTI_EVENT_VM_DEATH
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};
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static jvmtiCapabilities initCaps;
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/* ============================================================================= */
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/** Prints capabilities structure as raw bits. */
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static void printRawCapabilities(const jvmtiCapabilities* caps) {
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const unsigned char* p = (const unsigned char*)caps;
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int size = (int) sizeof(jvmtiCapabilities);
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int i, j, k;
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nsk_printf(" ");
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for (j = 0; j < 16; j++) {
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nsk_printf(" %1X", j);
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}
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nsk_printf("\n");
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for (i = 0; i < size; i += 2) {
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int prefix = i / 2;
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nsk_printf(" 0x%03X.: ", prefix);
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for (k = 0; k < 2; k++) {
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unsigned char b = *(p++);
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for (j = 0; j < 8; j++) {
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int bit = b % 2;
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b /= 2;
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nsk_printf(" %1d", bit);
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}
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}
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nsk_printf("\n");
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}
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}
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#define PRINT_CAP(caps, name) nsk_printf(" %-40s: %d\n", #name, (int)caps->name)
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/** Print values of known capabilities. */
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static void printKnownCapabilities(const jvmtiCapabilities* caps) {
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PRINT_CAP(caps, can_tag_objects);
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PRINT_CAP(caps, can_generate_field_modification_events);
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PRINT_CAP(caps, can_generate_field_access_events);
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PRINT_CAP(caps, can_get_bytecodes);
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PRINT_CAP(caps, can_get_synthetic_attribute);
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PRINT_CAP(caps, can_get_owned_monitor_info);
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PRINT_CAP(caps, can_get_current_contended_monitor);
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PRINT_CAP(caps, can_get_monitor_info);
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PRINT_CAP(caps, can_pop_frame);
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PRINT_CAP(caps, can_redefine_classes);
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PRINT_CAP(caps, can_signal_thread);
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PRINT_CAP(caps, can_get_source_file_name);
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PRINT_CAP(caps, can_get_line_numbers);
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PRINT_CAP(caps, can_get_source_debug_extension);
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PRINT_CAP(caps, can_access_local_variables);
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PRINT_CAP(caps, can_maintain_original_method_order);
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PRINT_CAP(caps, can_generate_single_step_events);
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PRINT_CAP(caps, can_generate_exception_events);
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PRINT_CAP(caps, can_generate_frame_pop_events);
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PRINT_CAP(caps, can_generate_breakpoint_events);
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PRINT_CAP(caps, can_suspend);
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/* :1 */
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PRINT_CAP(caps, can_get_current_thread_cpu_time);
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PRINT_CAP(caps, can_get_thread_cpu_time);
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PRINT_CAP(caps, can_generate_method_entry_events);
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PRINT_CAP(caps, can_generate_method_exit_events);
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PRINT_CAP(caps, can_generate_all_class_hook_events);
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PRINT_CAP(caps, can_generate_compiled_method_load_events);
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PRINT_CAP(caps, can_generate_monitor_events);
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PRINT_CAP(caps, can_generate_vm_object_alloc_events);
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PRINT_CAP(caps, can_generate_native_method_bind_events);
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PRINT_CAP(caps, can_generate_garbage_collection_events);
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PRINT_CAP(caps, can_generate_object_free_events);
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/* :15 */
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/* :16 */
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/* :16 */
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/* :16 */
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/* :16 */
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/* :16 */
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}
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#define CHECK_CAP(initCaps, caps, name) \
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if (initCaps->name != caps->name) { \
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success = NSK_FALSE; \
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NSK_COMPLAIN4("GetCapabilities() in %s returned after adding all potential capabilities:" \
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"# capability: %s\n" \
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"# got value: %d\n" \
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"# expected: %d\n", \
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where, #name, (int)caps->name, initCaps->name); \
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}
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/**
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* Check value of known capabilities.
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* @returns NSK_FALSE if any error occured.
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*/
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static int checkCapabilitiesValue(jvmtiCapabilities* caps, jvmtiCapabilities* initCaps, const char where[]) {
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int success = NSK_TRUE;
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CHECK_CAP(initCaps, caps, can_tag_objects);
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CHECK_CAP(initCaps, caps, can_generate_field_modification_events);
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CHECK_CAP(initCaps, caps, can_generate_field_access_events);
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CHECK_CAP(initCaps, caps, can_get_bytecodes);
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CHECK_CAP(initCaps, caps, can_get_synthetic_attribute);
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CHECK_CAP(initCaps, caps, can_get_owned_monitor_info);
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CHECK_CAP(initCaps, caps, can_get_current_contended_monitor);
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CHECK_CAP(initCaps, caps, can_get_monitor_info);
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CHECK_CAP(initCaps, caps, can_pop_frame);
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CHECK_CAP(initCaps, caps, can_redefine_classes);
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CHECK_CAP(initCaps, caps, can_signal_thread);
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CHECK_CAP(initCaps, caps, can_get_source_file_name);
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CHECK_CAP(initCaps, caps, can_get_line_numbers);
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CHECK_CAP(initCaps, caps, can_get_source_debug_extension);
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CHECK_CAP(initCaps, caps, can_access_local_variables);
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CHECK_CAP(initCaps, caps, can_maintain_original_method_order);
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CHECK_CAP(initCaps, caps, can_generate_single_step_events);
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CHECK_CAP(initCaps, caps, can_generate_exception_events);
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CHECK_CAP(initCaps, caps, can_generate_frame_pop_events);
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CHECK_CAP(initCaps, caps, can_generate_breakpoint_events);
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CHECK_CAP(initCaps, caps, can_suspend);
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/* :1 */
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CHECK_CAP(initCaps, caps, can_get_current_thread_cpu_time);
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CHECK_CAP(initCaps, caps, can_get_thread_cpu_time);
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CHECK_CAP(initCaps, caps, can_generate_method_entry_events);
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CHECK_CAP(initCaps, caps, can_generate_method_exit_events);
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CHECK_CAP(initCaps, caps, can_generate_all_class_hook_events);
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CHECK_CAP(initCaps, caps, can_generate_compiled_method_load_events);
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CHECK_CAP(initCaps, caps, can_generate_monitor_events);
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CHECK_CAP(initCaps, caps, can_generate_vm_object_alloc_events);
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CHECK_CAP(initCaps, caps, can_generate_native_method_bind_events);
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CHECK_CAP(initCaps, caps, can_generate_garbage_collection_events);
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CHECK_CAP(initCaps, caps, can_generate_object_free_events);
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/* :15 */
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/* :16 */
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/* :16 */
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/* :16 */
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/* :16 */
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/* :16 */
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return success;
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}
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/**
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* Get and check current capabilities.
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* @returns NSK_FALSE if any error occured.
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*/
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static int checkCapabilities(jvmtiEnv* jvmti, jvmtiCapabilities* initCaps, const char where[]) {
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int success = NSK_TRUE;
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jvmtiCapabilities caps;
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memset(&caps, 0, sizeof(jvmtiCapabilities));
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NSK_DISPLAY0("GetCapabilities() for current JVMTI env\n");
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if (!NSK_JVMTI_VERIFY(jvmti->GetCapabilities(&caps))) {
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return NSK_FALSE;
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}
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NSK_DISPLAY0("Got raw capabilities:\n");
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printRawCapabilities(&caps);
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NSK_DISPLAY0("Known capabilities:\n");
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printKnownCapabilities(&caps);
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NSK_DISPLAY0("Checking capabilities value:\n");
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success = checkCapabilitiesValue(&caps, initCaps, where);
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NSK_DISPLAY0(" ... checked\n");
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return success;
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}
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/**
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* Add given capabilities list.
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* @returns NSK_FALSE if any error occured.
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*/
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static int addCapabilities(jvmtiEnv* jvmti, jvmtiCapabilities* caps, const char where[]) {
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NSK_DISPLAY0("AddCapabilities() for current JVMTI env\n");
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if (!NSK_JVMTI_VERIFY(jvmti->AddCapabilities(caps))) {
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return NSK_FALSE;
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}
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NSK_DISPLAY0(" ... set\n");
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return NSK_TRUE;
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}
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/**
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* Get potential capabilities to the given list.
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* @returns NSK_FALSE if any error occured.
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*/
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static int getPotentialCapabilities(jvmtiEnv* jvmti, jvmtiCapabilities* caps) {
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NSK_DISPLAY0("GetPotentialCapabilities() for current JVMTI env\n");
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if (!NSK_JVMTI_VERIFY(jvmti->GetPotentialCapabilities(caps))) {
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return NSK_FALSE;
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}
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NSK_DISPLAY0("Got raw capabilities:\n");
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printRawCapabilities(caps);
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NSK_DISPLAY0("Known capabilities:\n");
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printKnownCapabilities(caps);
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return NSK_TRUE;
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}
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/* ============================================================================= */
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/** Agent algorithm. */
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static void JNICALL
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agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) {
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NSK_DISPLAY0("Wait for debugee to become ready\n");
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if (!nsk_jvmti_waitForSync(timeout))
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return;
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NSK_DISPLAY0(">>> Testcase #3: Check capabilities in agent thread\n");
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if (!checkCapabilities(jvmti, &initCaps, "agent thread")) {
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nsk_jvmti_setFailStatus();
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}
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NSK_DISPLAY0("Let debugee to finish\n");
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if (!nsk_jvmti_resumeSync())
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return;
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}
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/* ============================================================================= */
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/**
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* Callback for VM_INIT event.
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*/
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JNIEXPORT void JNICALL
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callbackVMInit(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) {
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NSK_DISPLAY0(">>> Testcase #2: Check capabilities in VM_INIT callback\n");
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if (!checkCapabilities(jvmti, &initCaps, "VM_INIT callback")) {
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nsk_jvmti_setFailStatus();
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}
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}
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/**
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* Callback for VM_DEATH event.
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*/
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JNIEXPORT void JNICALL
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callbackVMDeath(jvmtiEnv* jvmti, JNIEnv* jni) {
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int success = NSK_TRUE;
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NSK_DISPLAY0(">>> Testcase #4: Check capabilities in VM_DEATH callback\n");
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success = checkCapabilities(jvmti, &initCaps, "VM_DEATH callback");
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NSK_DISPLAY1("Disable events: %d events\n", EVENTS_COUNT);
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if (!nsk_jvmti_enableEvents(JVMTI_DISABLE, EVENTS_COUNT, events, nullptr)) {
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success = NSK_FALSE;
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} else {
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NSK_DISPLAY0(" ... disabled\n");
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}
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if (!success) {
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NSK_DISPLAY1("Exit with FAIL exit status: %d\n", STATUS_FAIL);
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NSK_BEFORE_TRACE(exit(STATUS_FAIL));
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}
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}
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/* ============================================================================= */
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/** Agent library initialization. */
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#ifdef STATIC_BUILD
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JNIEXPORT jint JNICALL Agent_OnLoad_addcaps002(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNICALL Agent_OnAttach_addcaps002(JavaVM *jvm, char *options, void *reserved) {
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return Agent_Initialize(jvm, options, reserved);
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}
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JNIEXPORT jint JNI_OnLoad_addcaps002(JavaVM *jvm, char *options, void *reserved) {
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return JNI_VERSION_1_8;
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}
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#endif
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jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
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jvmtiEnv* jvmti = nullptr;
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if (!NSK_VERIFY(nsk_jvmti_parseOptions(options)))
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return JNI_ERR;
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timeout = nsk_jvmti_getWaitTime() * 60 * 1000;
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if (!NSK_VERIFY((jvmti =
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nsk_jvmti_createJVMTIEnv(jvm, reserved)) != nullptr))
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return JNI_ERR;
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{
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jvmtiEventCallbacks eventCallbacks;
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memset(&eventCallbacks, 0, sizeof(eventCallbacks));
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eventCallbacks.VMInit = callbackVMInit;
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eventCallbacks.VMDeath = callbackVMDeath;
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if (!NSK_JVMTI_VERIFY(jvmti->SetEventCallbacks(&eventCallbacks, sizeof(eventCallbacks)))) {
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return JNI_ERR;
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}
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}
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if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, nullptr)))
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return JNI_ERR;
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memset(&initCaps, 0, sizeof(jvmtiCapabilities));
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if (!getPotentialCapabilities(jvmti, &initCaps)) {
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return JNI_ERR;
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}
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NSK_DISPLAY0(">>> Testcase #0: Add all potential capabilities in Agent_OnLoad()\n");
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if (!addCapabilities(jvmti, &initCaps, "Agent_OnLoad()")) {
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nsk_jvmti_setFailStatus();
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}
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NSK_DISPLAY0(">>> Testcase #1: Check capabilities in Agent_OnLoad()\n");
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if (!checkCapabilities(jvmti, &initCaps, "Agent_OnLoad()")) {
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nsk_jvmti_setFailStatus();
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}
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NSK_DISPLAY1("Enable events: %d events\n", EVENTS_COUNT);
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if (nsk_jvmti_enableEvents(JVMTI_ENABLE, EVENTS_COUNT, events, nullptr)) {
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NSK_DISPLAY0(" ... enabled\n");
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}
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return JNI_OK;
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}
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/* ============================================================================= */
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}
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