| /* |
| * Copyright (c) 2003, 2018, 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 <stdlib.h> |
| #include <string.h> |
| #include "jvmti.h" |
| #include "agent_common.h" |
| #include "jni_tools.h" |
| #include "jvmti_tools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* ============================================================================= */ |
| |
| static jlong timeout = 0; |
| |
| #define STATUS_FAIL 97 |
| |
| #define EVENTS_COUNT 2 |
| |
| static jvmtiEvent events[EVENTS_COUNT] = { |
| JVMTI_EVENT_VM_INIT, |
| JVMTI_EVENT_VM_DEATH |
| }; |
| |
| static jvmtiCapabilities initCaps; |
| |
| /* ============================================================================= */ |
| |
| /** Prints capabilities structure as raw bits. */ |
| static void printRawCapabilities(const jvmtiCapabilities* caps) { |
| const unsigned char* p = (const unsigned char*)caps; |
| size_t size = sizeof(jvmtiCapabilities); |
| size_t i; |
| int j, k; |
| |
| nsk_printf(" "); |
| for (j = 0; j < 16; j++) { |
| nsk_printf(" %1X", j); |
| } |
| nsk_printf("\n"); |
| |
| for (i = 0; i < size; i += 2) { |
| int prefix = (int) i / 2; |
| |
| nsk_printf(" 0x%03X.: ", prefix); |
| for (k = 0; k < 2; k++) { |
| unsigned char b = *(p++); |
| |
| for (j = 0; j < 8; j++) { |
| int bit = b % 2; |
| b /= 2; |
| nsk_printf(" %1d", bit); |
| } |
| } |
| nsk_printf("\n"); |
| } |
| } |
| |
| #define PRINT_CAP(caps, name) nsk_printf(" %-40s: %d\n", #name, (int)caps->name) |
| |
| /** Print values of known capabilities. */ |
| static void printKnownCapabilities(const jvmtiCapabilities* caps) { |
| PRINT_CAP(caps, can_tag_objects); |
| PRINT_CAP(caps, can_generate_field_modification_events); |
| PRINT_CAP(caps, can_generate_field_access_events); |
| PRINT_CAP(caps, can_get_bytecodes); |
| PRINT_CAP(caps, can_get_synthetic_attribute); |
| PRINT_CAP(caps, can_get_owned_monitor_info); |
| PRINT_CAP(caps, can_get_current_contended_monitor); |
| PRINT_CAP(caps, can_get_monitor_info); |
| PRINT_CAP(caps, can_pop_frame); |
| PRINT_CAP(caps, can_redefine_classes); |
| PRINT_CAP(caps, can_signal_thread); |
| PRINT_CAP(caps, can_get_source_file_name); |
| PRINT_CAP(caps, can_get_line_numbers); |
| PRINT_CAP(caps, can_get_source_debug_extension); |
| PRINT_CAP(caps, can_access_local_variables); |
| PRINT_CAP(caps, can_maintain_original_method_order); |
| PRINT_CAP(caps, can_generate_single_step_events); |
| PRINT_CAP(caps, can_generate_exception_events); |
| PRINT_CAP(caps, can_generate_frame_pop_events); |
| PRINT_CAP(caps, can_generate_breakpoint_events); |
| PRINT_CAP(caps, can_suspend); |
| /* :1 */ |
| PRINT_CAP(caps, can_get_current_thread_cpu_time); |
| PRINT_CAP(caps, can_get_thread_cpu_time); |
| PRINT_CAP(caps, can_generate_method_entry_events); |
| PRINT_CAP(caps, can_generate_method_exit_events); |
| PRINT_CAP(caps, can_generate_all_class_hook_events); |
| PRINT_CAP(caps, can_generate_compiled_method_load_events); |
| PRINT_CAP(caps, can_generate_monitor_events); |
| PRINT_CAP(caps, can_generate_vm_object_alloc_events); |
| PRINT_CAP(caps, can_generate_native_method_bind_events); |
| PRINT_CAP(caps, can_generate_garbage_collection_events); |
| PRINT_CAP(caps, can_generate_object_free_events); |
| /* :15 */ |
| /* :16 */ |
| /* :16 */ |
| /* :16 */ |
| /* :16 */ |
| /* :16 */ |
| } |
| |
| #define CHECK_CAP(initCaps, caps, name) \ |
| if (caps->name != 0) { \ |
| success = NSK_FALSE; \ |
| NSK_COMPLAIN4("GetCapabilities() in %s returned capability after add and relinguish all potential capabilities:\n" \ |
| "# capability: %s\n" \ |
| "# got value: %d\n" \ |
| "# expected: %d\n", \ |
| where, #name, (int)caps->name, 0) ; \ |
| } |
| |
| /** |
| * Check value of known capabilities. |
| * @returns NSK_FALSE if any error occured. |
| */ |
| static int checkCapabilitiesValue(jvmtiCapabilities* caps, jvmtiCapabilities* initCaps, const char where[]) { |
| int success = NSK_TRUE; |
| |
| CHECK_CAP(initCaps, caps, can_tag_objects); |
| CHECK_CAP(initCaps, caps, can_generate_field_modification_events); |
| CHECK_CAP(initCaps, caps, can_generate_field_access_events); |
| CHECK_CAP(initCaps, caps, can_get_bytecodes); |
| CHECK_CAP(initCaps, caps, can_get_synthetic_attribute); |
| CHECK_CAP(initCaps, caps, can_get_owned_monitor_info); |
| CHECK_CAP(initCaps, caps, can_get_current_contended_monitor); |
| CHECK_CAP(initCaps, caps, can_get_monitor_info); |
| CHECK_CAP(initCaps, caps, can_pop_frame); |
| CHECK_CAP(initCaps, caps, can_redefine_classes); |
| CHECK_CAP(initCaps, caps, can_signal_thread); |
| CHECK_CAP(initCaps, caps, can_get_source_file_name); |
| CHECK_CAP(initCaps, caps, can_get_line_numbers); |
| CHECK_CAP(initCaps, caps, can_get_source_debug_extension); |
| CHECK_CAP(initCaps, caps, can_access_local_variables); |
| CHECK_CAP(initCaps, caps, can_maintain_original_method_order); |
| CHECK_CAP(initCaps, caps, can_generate_single_step_events); |
| CHECK_CAP(initCaps, caps, can_generate_exception_events); |
| CHECK_CAP(initCaps, caps, can_generate_frame_pop_events); |
| CHECK_CAP(initCaps, caps, can_generate_breakpoint_events); |
| CHECK_CAP(initCaps, caps, can_suspend); |
| /* :1 */ |
| CHECK_CAP(initCaps, caps, can_get_current_thread_cpu_time); |
| CHECK_CAP(initCaps, caps, can_get_thread_cpu_time); |
| CHECK_CAP(initCaps, caps, can_generate_method_entry_events); |
| CHECK_CAP(initCaps, caps, can_generate_method_exit_events); |
| CHECK_CAP(initCaps, caps, can_generate_all_class_hook_events); |
| CHECK_CAP(initCaps, caps, can_generate_compiled_method_load_events); |
| CHECK_CAP(initCaps, caps, can_generate_monitor_events); |
| CHECK_CAP(initCaps, caps, can_generate_vm_object_alloc_events); |
| CHECK_CAP(initCaps, caps, can_generate_native_method_bind_events); |
| CHECK_CAP(initCaps, caps, can_generate_garbage_collection_events); |
| CHECK_CAP(initCaps, caps, can_generate_object_free_events); |
| /* :15 */ |
| /* :16 */ |
| /* :16 */ |
| /* :16 */ |
| /* :16 */ |
| /* :16 */ |
| |
| return success; |
| } |
| |
| /** |
| * Get and check current capabilities. |
| * @returns NSK_FALSE if any error occured. |
| */ |
| static int checkCapabilities(jvmtiEnv* jvmti, jvmtiCapabilities* initCaps, const char where[]) { |
| int success = NSK_TRUE; |
| jvmtiCapabilities caps; |
| |
| memset(&caps, 0, sizeof(jvmtiCapabilities)); |
| |
| NSK_DISPLAY0("GetCapabilities() for current JVMTI env\n"); |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(GetCapabilities, jvmti, &caps))) { |
| return NSK_FALSE; |
| } |
| |
| NSK_DISPLAY0("Got raw capabilities:\n"); |
| printRawCapabilities(&caps); |
| |
| NSK_DISPLAY0("Known capabilities:\n"); |
| printKnownCapabilities(&caps); |
| |
| NSK_DISPLAY0("Checking capabilities value:\n"); |
| success = checkCapabilitiesValue(&caps, initCaps, where); |
| NSK_DISPLAY0(" ... checked\n"); |
| |
| return success; |
| } |
| |
| /** |
| * Add given capabilities list. |
| * @returns NSK_FALSE if any error occured. |
| */ |
| static int addCapabilities(jvmtiEnv* jvmti, jvmtiCapabilities* caps) { |
| NSK_DISPLAY0("AddCapabilities() for current JVMTI env\n"); |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(AddCapabilities, jvmti, caps))) { |
| return NSK_FALSE; |
| } |
| NSK_DISPLAY0(" ... set\n"); |
| |
| return NSK_TRUE; |
| } |
| |
| /** |
| * Remove given capabilities list. |
| * @returns NSK_FALSE if any error occured. |
| */ |
| static int removeCapabilities(jvmtiEnv* jvmti, jvmtiCapabilities* caps, const char where[]) { |
| NSK_DISPLAY0("RelinquishCapabilities() for current JVMTI env\n"); |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(RelinquishCapabilities, jvmti, caps))) { |
| return NSK_FALSE; |
| } |
| NSK_DISPLAY0(" ... relinguished\n"); |
| |
| return NSK_TRUE; |
| } |
| |
| /** |
| * Get potential capabilities to the given list. |
| * @returns NSK_FALSE if any error occured. |
| */ |
| static int getPotentialCapabilities(jvmtiEnv* jvmti, jvmtiCapabilities* caps) { |
| NSK_DISPLAY0("GetPotentialCapabilities() for current JVMTI env\n"); |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB2(GetPotentialCapabilities, jvmti, caps))) { |
| return NSK_FALSE; |
| } |
| |
| NSK_DISPLAY0("Got raw capabilities:\n"); |
| printRawCapabilities(caps); |
| |
| NSK_DISPLAY0("Known capabilities:\n"); |
| printKnownCapabilities(caps); |
| |
| return NSK_TRUE; |
| } |
| |
| /* ============================================================================= */ |
| |
| /** Agent algorithm. */ |
| static void JNICALL |
| agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg) { |
| NSK_DISPLAY0("Wait for debugee to become ready\n"); |
| if (!nsk_jvmti_waitForSync(timeout)) |
| return; |
| |
| NSK_DISPLAY0(">>> Testcase #0: Remove all potential capabilities in agent thread\n"); |
| if (!removeCapabilities(jvmti, &initCaps, "agent thread")) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| NSK_DISPLAY0(">>> Testcase #3: Check capabilities in agent thread\n"); |
| if (!checkCapabilities(jvmti, &initCaps, "agent thread")) { |
| nsk_jvmti_setFailStatus(); |
| } |
| |
| NSK_DISPLAY0("Let debugee to finish\n"); |
| if (!nsk_jvmti_resumeSync()) |
| return; |
| } |
| |
| /* ============================================================================= */ |
| |
| /** |
| * Callback for VM_INIT event. |
| */ |
| JNIEXPORT void JNICALL |
| callbackVMInit(jvmtiEnv* jvmti, JNIEnv* jni, jthread thread) { |
| } |
| |
| /** |
| * Callback for VM_DEATH event. |
| */ |
| JNIEXPORT void JNICALL |
| callbackVMDeath(jvmtiEnv* jvmti, JNIEnv* jni) { |
| int success = NSK_TRUE; |
| |
| NSK_DISPLAY0(">>> Testcase #4: Check capabilities in VM_DEATH callback\n"); |
| success = checkCapabilities(jvmti, &initCaps, "VM_DEATH callback"); |
| |
| NSK_DISPLAY1("Disable events: %d events\n", EVENTS_COUNT); |
| if (!nsk_jvmti_enableEvents(JVMTI_DISABLE, EVENTS_COUNT, events, NULL)) { |
| success = NSK_FALSE; |
| } else { |
| NSK_DISPLAY0(" ... disabled\n"); |
| } |
| |
| if (success != NSK_TRUE) { |
| NSK_DISPLAY1("Exit with FAIL exit status: %d\n", STATUS_FAIL); |
| NSK_BEFORE_TRACE(exit(STATUS_FAIL)); |
| } |
| } |
| |
| /* ============================================================================= */ |
| |
| /** Agent library initialization. */ |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_relcaps002(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_relcaps002(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_relcaps002(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| jvmtiEnv* jvmti = NULL; |
| |
| 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)) != NULL)) |
| return JNI_ERR; |
| |
| { |
| jvmtiEventCallbacks eventCallbacks; |
| |
| memset(&eventCallbacks, 0, sizeof(eventCallbacks)); |
| eventCallbacks.VMInit = callbackVMInit; |
| eventCallbacks.VMDeath = callbackVMDeath; |
| if (!NSK_JVMTI_VERIFY( |
| NSK_CPP_STUB3(SetEventCallbacks, jvmti, |
| &eventCallbacks, sizeof(eventCallbacks)))) { |
| return JNI_ERR; |
| } |
| |
| } |
| |
| if (!NSK_VERIFY(nsk_jvmti_setAgentProc(agentProc, NULL))) |
| return JNI_ERR; |
| |
| memset(&initCaps, 0, sizeof(jvmtiCapabilities)); |
| if (!getPotentialCapabilities(jvmti, &initCaps)) { |
| return JNI_ERR; |
| } |
| |
| if (!addCapabilities(jvmti, &initCaps)) { |
| return JNI_ERR; |
| } |
| |
| NSK_DISPLAY1("Enable events: %d events\n", EVENTS_COUNT); |
| if (nsk_jvmti_enableEvents(JVMTI_ENABLE, EVENTS_COUNT, events, NULL)) { |
| NSK_DISPLAY0(" ... enabled\n"); |
| } |
| |
| return JNI_OK; |
| } |
| |
| /* ============================================================================= */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |