229 lines
7.4 KiB
C++
229 lines
7.4 KiB
C++
/*
|
|
* 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"
|
|
#include "JVMTITools.h"
|
|
|
|
extern "C" {
|
|
|
|
|
|
#define PASSED 0
|
|
#define STATUS_FAILED 2
|
|
|
|
static jvmtiEnv *jvmti = NULL;
|
|
static jvmtiCapabilities caps;
|
|
static jvmtiEventCallbacks callbacks;
|
|
static jint result = PASSED;
|
|
static jmethodID mid1;
|
|
|
|
// If mustPass is false we just check if we have reached the correct instruction location.
|
|
// This is used to wait for the child thread to reach the expected position.
|
|
jboolean checkFrame(jvmtiEnv *jvmti_env, JNIEnv *env,
|
|
jthread thr, jmethodID exp_mid, jlocation exp_loc, jlocation exp_loc_alternative, jboolean mustPass) {
|
|
jvmtiError err;
|
|
jmethodID mid = NULL;
|
|
jlocation loc = -1;
|
|
char *meth, *sig, *generic;
|
|
jboolean isOk = JNI_FALSE;
|
|
|
|
err = jvmti_env->GetMethodName(exp_mid, &meth, &sig, &generic);
|
|
if (err != JVMTI_ERROR_NONE) {
|
|
printf("(GetMethodName) unexpected error: %s (%d)\n",
|
|
TranslateError(err), err);
|
|
result = STATUS_FAILED;
|
|
}
|
|
|
|
err = jvmti_env->GetFrameLocation(thr, 0, &mid, &loc);
|
|
if (err != JVMTI_ERROR_NONE) {
|
|
printf("(GetFrameLocation#%s) unexpected error: %s (%d)\n",
|
|
meth, TranslateError(err), err);
|
|
result = STATUS_FAILED;
|
|
} else {
|
|
if (exp_mid != mid) {
|
|
printf("Method \"%s\" current frame's method ID", meth);
|
|
printf(" expected: 0x%p, got: 0x%p\n", exp_mid, mid);
|
|
result = STATUS_FAILED;
|
|
}
|
|
isOk = exp_loc == loc || exp_loc_alternative == loc;
|
|
if (!isOk && mustPass) {
|
|
printf("Method \"%s\" current frame's location", meth);
|
|
printf(" expected: 0x%x or 0x%x, got: 0x%x%08x\n",
|
|
(jint)exp_loc, (jint)exp_loc_alternative, (jint)(loc >> 32), (jint)loc);
|
|
result = STATUS_FAILED;
|
|
}
|
|
}
|
|
return isOk && result == PASSED;
|
|
}
|
|
|
|
void JNICALL
|
|
ExceptionCatch(jvmtiEnv *jvmti_env, JNIEnv *env, jthread thr,
|
|
jmethodID method, jlocation location, jobject exception) {
|
|
if (method == mid1) {
|
|
checkFrame(jvmti_env, (JNIEnv *)env, thr, method, location, location, JNI_TRUE);
|
|
}
|
|
}
|
|
|
|
#ifdef STATIC_BUILD
|
|
JNIEXPORT jint JNICALL Agent_OnLoad_frameloc001(JavaVM *jvm, char *options, void *reserved) {
|
|
return Agent_Initialize(jvm, options, reserved);
|
|
}
|
|
JNIEXPORT jint JNICALL Agent_OnAttach_frameloc001(JavaVM *jvm, char *options, void *reserved) {
|
|
return Agent_Initialize(jvm, options, reserved);
|
|
}
|
|
JNIEXPORT jint JNI_OnLoad_frameloc001(JavaVM *jvm, char *options, void *reserved) {
|
|
return JNI_VERSION_1_8;
|
|
}
|
|
#endif
|
|
jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
|
|
jint res;
|
|
jvmtiError err;
|
|
|
|
res = jvm->GetEnv((void **) &jvmti, JVMTI_VERSION_1_1);
|
|
if (res != JNI_OK || jvmti == NULL) {
|
|
printf("Wrong result of a valid call to GetEnv !\n");
|
|
return JNI_ERR;
|
|
}
|
|
|
|
err = jvmti->GetPotentialCapabilities(&caps);
|
|
if (err != JVMTI_ERROR_NONE) {
|
|
printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n",
|
|
TranslateError(err), err);
|
|
return JNI_ERR;
|
|
}
|
|
|
|
err = jvmti->AddCapabilities(&caps);
|
|
if (err != JVMTI_ERROR_NONE) {
|
|
printf("(AddCapabilities) unexpected error: %s (%d)\n",
|
|
TranslateError(err), err);
|
|
return JNI_ERR;
|
|
}
|
|
|
|
err = jvmti->GetCapabilities(&caps);
|
|
if (err != JVMTI_ERROR_NONE) {
|
|
printf("(GetCapabilities) unexpected error: %s (%d)\n",
|
|
TranslateError(err), err);
|
|
return JNI_ERR;
|
|
}
|
|
|
|
if (!caps.can_suspend) {
|
|
printf("Warning: suspend/resume is not implemented\n");
|
|
}
|
|
|
|
if (caps.can_generate_exception_events) {
|
|
callbacks.ExceptionCatch = &ExceptionCatch;
|
|
err = jvmti->SetEventCallbacks(&callbacks, sizeof(callbacks));
|
|
if (err != JVMTI_ERROR_NONE) {
|
|
printf("(SetEventCallbacks) unexpected error: %s (%d)\n",
|
|
TranslateError(err), err);
|
|
return JNI_ERR;
|
|
}
|
|
} else {
|
|
printf("Warning: ExceptionCatch event is not implemented\n");
|
|
}
|
|
|
|
return JNI_OK;
|
|
}
|
|
|
|
JNIEXPORT void JNICALL
|
|
Java_nsk_jvmti_GetFrameLocation_frameloc001_getReady(JNIEnv *env, jclass cls,
|
|
jclass klass) {
|
|
jvmtiError err;
|
|
|
|
if (jvmti == NULL) {
|
|
printf("JVMTI client was not properly loaded!\n");
|
|
result = STATUS_FAILED;
|
|
return;
|
|
}
|
|
|
|
if (!caps.can_generate_exception_events) {
|
|
return;
|
|
}
|
|
|
|
mid1 = env->GetMethodID(klass, "meth01", "(I)V");
|
|
if (mid1 == NULL) {
|
|
printf("Cannot get jmethodID for method \"meth01\"\n");
|
|
result = STATUS_FAILED;
|
|
return;
|
|
}
|
|
|
|
err = jvmti->SetEventNotificationMode(JVMTI_ENABLE,
|
|
JVMTI_EVENT_EXCEPTION_CATCH, NULL);
|
|
if (err != JVMTI_ERROR_NONE) {
|
|
printf("(SetEventNotificationMode) unexpected error: %s (%d)\n",
|
|
TranslateError(err), err);
|
|
result = STATUS_FAILED;
|
|
}
|
|
}
|
|
|
|
JNIEXPORT jboolean JNICALL
|
|
Java_nsk_jvmti_GetFrameLocation_frameloc001_checkFrame01(JNIEnv *env,
|
|
jclass cls, jthread thr, jclass klass, jboolean mustPass) {
|
|
jvmtiError err;
|
|
jmethodID mid;
|
|
jboolean isOk = JNI_FALSE;
|
|
|
|
if (jvmti == NULL || !caps.can_suspend) {
|
|
return JNI_TRUE;
|
|
}
|
|
|
|
mid = env->GetMethodID(klass, "run", "()V");
|
|
if (mid == NULL) {
|
|
printf("Cannot get jmethodID for method \"run\"\n");
|
|
result = STATUS_FAILED;
|
|
return JNI_TRUE;
|
|
}
|
|
|
|
err = jvmti->SuspendThread(thr);
|
|
if (err != JVMTI_ERROR_NONE) {
|
|
printf("(SuspendThread) unexpected error: %s (%d)\n",
|
|
TranslateError(err), err);
|
|
result = STATUS_FAILED;
|
|
}
|
|
|
|
// This tests the location of a throw/catch statement.
|
|
// The returned location may be either the throw or the catch statement.
|
|
// It seems like the throw statement is returned in compiled code (-Xcomp),
|
|
// but the catch statement is returned in interpreted code.
|
|
// Both locations are valid.
|
|
// See bug JDK-4527281.
|
|
isOk = checkFrame(jvmti, env, thr, mid, 31, 32, mustPass);
|
|
|
|
err = jvmti->ResumeThread(thr);
|
|
if (err != JVMTI_ERROR_NONE) {
|
|
printf("(ResumeThread) unexpected error: %s (%d)\n",
|
|
TranslateError(err), err);
|
|
result = STATUS_FAILED;
|
|
}
|
|
return isOk && result == PASSED;
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL
|
|
Java_nsk_jvmti_GetFrameLocation_frameloc001_getRes(JNIEnv *env, jclass cls) {
|
|
return result;
|
|
}
|
|
|
|
}
|