blob: 8dee3c089496e484c7b08e404088f43e548e9a8d [file] [log] [blame]
/*
* 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 <stdio.h>
#include <string.h>
#include "jvmti.h"
#include "agent_common.h"
#ifdef __cplusplus
extern "C" {
#endif
#ifndef JNI_ENV_ARG
#ifdef __cplusplus
#define JNI_ENV_ARG(x, y) y
#define JNI_ENV_ARG1(x)
#define JNI_ENV_PTR(x) x
#else
#define JNI_ENV_ARG(x,y) x, y
#define JNI_ENV_ARG1(x) x
#define JNI_ENV_PTR(x) (*x)
#endif
#endif
#define JVMTI_ENV_ARG JNI_ENV_ARG
#define JVMTI_ENV_ARG1 JNI_ENV_ARG1
#define JVMTI_ENV_PTR JNI_ENV_PTR
#define JVMTI_ERROR_CHECK(str,res) if ( res != JVMTI_ERROR_NONE) { printf(str); printf("%d\n",res); return res;}
#define JVMTI_ERROR_CHECK_EXPECTED_ERROR(str,res,err) if ( res != err) { printf(str); printf("unexpected error %d\n",res); return res;}
#define JVMTI_ERROR_CHECK_VOID(str,res) if ( res != JVMTI_ERROR_NONE) { printf(str); printf("%d\n",res); iGlobalStatus = 2; }
#define JVMTI_ERROR_CHECK_EXPECTED_ERROR_VOID(str,res,err) if ( res != err) { printf(str); printf("unexpected error %d\n",res); iGlobalStatus = 2; }
#define THREADS_LIMIT 2000
jvmtiEnv *jvmti;
jint iGlobalStatus = 0;
jthread susp_thrd[THREADS_LIMIT];
static jvmtiEventCallbacks callbacks;
static jvmtiCapabilities jvmti_caps;
jrawMonitorID jraw_monitor[20];
int process_once = 0;
int printdump = 0;
void debug_printf(char *fmt, ...) {
va_list args;
va_start(args, fmt);
if (printdump) {
vprintf(fmt, args);
}
va_end(args);
}
void JNICALL vmInit(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thread) {
debug_printf("VMInit event done\n");
}
void JNICALL vmExit(jvmtiEnv *jvmti_env, JNIEnv *env) {
debug_printf("------------ JVMTI_EVENT_VM_DEATH ------------\n");
}
void JNICALL classFileLoadEvent(jvmtiEnv *jvmti_env, JNIEnv *env,
jclass class_being_redifined,
jobject loader, const char* name,
jobject protection_domain,
jint class_data_len,
const unsigned char* class_data,
jint* new_class_data_len,
unsigned char** new_class_data) {
}
void init_callbacks() {
memset((void *)&callbacks, 0, sizeof(jvmtiEventCallbacks));
callbacks.VMInit = vmInit;
callbacks.VMDeath = vmExit;
callbacks.ClassFileLoadHook = classFileLoadEvent;
}
#ifdef STATIC_BUILD
JNIEXPORT jint JNICALL Agent_OnLoad_JvmtiTest(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNICALL Agent_OnAttach_JvmtiTest(JavaVM *jvm, char *options, void *reserved) {
return Agent_Initialize(jvm, options, reserved);
}
JNIEXPORT jint JNI_OnLoad_JvmtiTest(JavaVM *jvm, char *options, void *reserved) {
return JNI_VERSION_1_8;
}
#endif
jint Agent_Initialize(JavaVM * jvm, char *options, void *reserved) {
jint res;
if (options && strlen(options) > 0) {
if (strstr(options, "printdump")) {
printdump = 1;
}
}
res = JNI_ENV_PTR(jvm)->
GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti), JVMTI_VERSION_1_1);
if (res < 0) {
debug_printf("Wrong result of a valid call to GetEnv!\n");
return JNI_ERR;
}
/* Add capabilities */
res = JVMTI_ENV_PTR(jvmti)->GetPotentialCapabilities(JVMTI_ENV_ARG(jvmti, &jvmti_caps));
JVMTI_ERROR_CHECK("GetPotentialCapabilities returned error", res);
res = JVMTI_ENV_PTR(jvmti)->AddCapabilities(JVMTI_ENV_ARG(jvmti, &jvmti_caps));
JVMTI_ERROR_CHECK("GetPotentialCapabilities returned error", res);
/* Enable events */
init_callbacks();
res = JVMTI_ENV_PTR(jvmti)->SetEventCallbacks(JVMTI_ENV_ARG(jvmti, &callbacks), sizeof(callbacks));
JVMTI_ERROR_CHECK("SetEventCallbacks returned error", res);
res = JVMTI_ENV_PTR(jvmti)->SetEventNotificationMode(JVMTI_ENV_ARG(jvmti,JVMTI_ENABLE),JVMTI_EVENT_VM_INIT,NULL);
JVMTI_ERROR_CHECK("SetEventNotificationMode for VM_INIT returned error", res);
res = JVMTI_ENV_PTR(jvmti)->SetEventNotificationMode(JVMTI_ENV_ARG(jvmti,JVMTI_ENABLE),JVMTI_EVENT_VM_DEATH,NULL);
JVMTI_ERROR_CHECK("SetEventNotificationMode for vm death event returned error", res);
return JNI_OK;
}
JNIEXPORT jint JNICALL
Java_nsk_jvmti_unit_functions_nosuspendStackTrace_JvmtiTest_GetResult(JNIEnv * env, jclass cls) {
return iGlobalStatus;
}
JNIEXPORT void JNICALL
Java_nsk_jvmti_unit_functions_nosuspendStackTrace_JvmtiTest_CreateRawMonitor(JNIEnv * env, jclass class, jint i) {
jvmtiError ret;
char sz[128];
sprintf(sz, "Rawmonitor-%d",i);
debug_printf("jvmti create raw monitor \n");
ret = JVMTI_ENV_PTR(jvmti)->CreateRawMonitor(JVMTI_ENV_ARG1(jvmti),sz, &jraw_monitor[i]);
if (ret != JVMTI_ERROR_NONE) {
printf("Error: ForceGarbageCollection %d \n", ret);
iGlobalStatus = 2;
}
}
JNIEXPORT void JNICALL
Java_nsk_jvmti_unit_functions_nosuspendStackTrace_JvmtiTest_RawMonitorEnter(JNIEnv * env, jclass cls, jint i) {
jvmtiError ret;
debug_printf("jvmti Raw monitor enter \n");
ret = JVMTI_ENV_PTR(jvmti)->RawMonitorEnter(JVMTI_ENV_ARG1(jvmti),jraw_monitor[i]);
if (ret != JVMTI_ERROR_NONE) {
printf("Error: Raw monitor enter %d \n", ret);
iGlobalStatus = 2;
}
}
JNIEXPORT void JNICALL
Java_nsk_jvmti_unit_functions_nosuspendStackTrace_JvmtiTest_RawMonitorExit(JNIEnv * env, jclass cls, jint i) {
jvmtiError ret;
debug_printf("jvmti raw monitor exit \n");
ret = JVMTI_ENV_PTR(jvmti)->RawMonitorExit(JVMTI_ENV_ARG1(jvmti), jraw_monitor[i]);
if (ret != JVMTI_ERROR_NONE) {
printf("Error: RawMonitorExit %d \n", ret);
iGlobalStatus = 2;
}
}
JNIEXPORT void JNICALL
Java_nsk_jvmti_unit_functions_nosuspendStackTrace_JvmtiTest_RawMonitorWait(JNIEnv * env, jclass cls, jint i) {
jvmtiError ret;
debug_printf("jvmti RawMonitorWait \n");
ret = JVMTI_ENV_PTR(jvmti)->RawMonitorWait(JVMTI_ENV_ARG1(jvmti),jraw_monitor[i],-1);
if (ret != JVMTI_ERROR_NONE) {
printf("Error: RawMonitorWait %d \n", ret);
iGlobalStatus = 2;
}
}
JNIEXPORT void JNICALL
Java_nsk_jvmti_unit_functions_nosuspendStackTrace_JvmtiTest_RawMonitorNotify(JNIEnv * env, jclass cls, jint i) {
jvmtiError ret;
debug_printf("jvmti RawMonitorNotify \n");
ret = JVMTI_ENV_PTR(jvmti)->RawMonitorNotifyAll(JVMTI_ENV_ARG1(jvmti),jraw_monitor[i]);
if (ret != JVMTI_ERROR_NONE) {
printf("Error: RawMonitorNotify %d \n", ret);
iGlobalStatus = 2;
}
}
JNIEXPORT int JNICALL
Java_nsk_jvmti_unit_functions_nosuspendStackTrace_JvmtiTest_GetFrameCount(JNIEnv * env, jclass cls, jobject thr) {
jvmtiError ret;
jint count;
debug_printf("jvmti GetFrameCount \n");
ret = JVMTI_ENV_PTR(jvmti)->GetFrameCount(JVMTI_ENV_ARG1(jvmti), (jthread)thr, &count);
if (ret != JVMTI_ERROR_NONE) {
printf("Error: GetFrameCount returned %d \n", ret);
iGlobalStatus = 2;
}
return count;
}
JNIEXPORT void JNICALL
Java_nsk_jvmti_unit_functions_nosuspendStackTrace_JvmtiTest_GetStackTrace(JNIEnv * env, jclass cls, jobject thr) {
jvmtiError ret;
jvmtiFrameInfo *stack_buffer = NULL;
jint count = 20;
jclass class;
char *mname;
char *signature;
char *clname;
char *generic;
int i;
debug_printf("jvmti GetStackTrace \n");
ret = JVMTI_ENV_PTR(jvmti)->Allocate(JVMTI_ENV_ARG1(jvmti), sizeof(jvmtiFrameInfo) * count, (unsigned char**)&stack_buffer);
if (ret != JVMTI_ERROR_NONE) {
printf("Error: Allocate failed with %d \n", ret);
iGlobalStatus = 2;
}
ret = JVMTI_ENV_PTR(jvmti)->GetStackTrace(JVMTI_ENV_ARG1(jvmti),
thr, 0, count , stack_buffer, &count);
if (ret != JVMTI_ERROR_NONE) {
printf("Error: GetStackTrace %d \n", ret);
iGlobalStatus = 2;
}
debug_printf(" Java Stack trace ---\n");
for (i = 0; i < count; i++) {
ret = JVMTI_ENV_PTR(jvmti)->GetMethodDeclaringClass(JVMTI_ENV_ARG1(jvmti), stack_buffer[i].method, &class);
if (ret != JVMTI_ERROR_NONE) {
printf("Error: GetMethodDeclaringClass %d \n", ret);
iGlobalStatus = 2;
return;
}
ret = JVMTI_ENV_PTR(jvmti)->GetClassSignature(JVMTI_ENV_ARG1(jvmti),
class, &clname, &generic);
if (ret != JVMTI_ERROR_NONE) {
printf("Error: GetMethodDeclaringClass %d \n", ret);
iGlobalStatus = 2;
return;
}
ret = JVMTI_ENV_PTR(jvmti)->GetMethodName(JVMTI_ENV_ARG1(jvmti),
stack_buffer[i].method, &mname, &signature, &generic);
if (ret != JVMTI_ERROR_NONE) {
printf("Error: GetMethodDeclaringClass %d \n", ret);
iGlobalStatus = 2;
return;
}
debug_printf("[%d] %s::%s(%s) at %lld \n",i,clname, mname, signature, stack_buffer[i].location);
}
ret = JVMTI_ENV_PTR(jvmti)->Deallocate(JVMTI_ENV_ARG1(jvmti), (unsigned char *)stack_buffer);
if (ret != JVMTI_ERROR_NONE) {
printf("Error: Deallocate failed with %d \n", ret);
iGlobalStatus = 2;
}
}
JNIEXPORT void JNICALL
Java_nsk_jvmti_unit_functions_nosuspendStackTrace_JvmtiTest_SaveThreadInfo(JNIEnv * env, jclass cls, jobject oobj) {
}
#ifdef __cplusplus
}
#endif