| /* |
| * 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 "jni_tools.h" |
| #include "JVMTITools.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #ifndef JNI_ENV_ARG |
| |
| #ifdef __cplusplus |
| #define JNI_ENV_ARG(x, y) y |
| #define JNI_ENV_PTR(x) x |
| #else |
| #define JNI_ENV_ARG(x,y) x, y |
| #define JNI_ENV_PTR(x) (*x) |
| #endif |
| |
| #endif |
| |
| #define PASSED 0 |
| #define STATUS_FAILED 2 |
| |
| typedef struct { |
| char *cls_sig; |
| char *name; |
| char *sig; |
| jlocation loc; |
| } frame_info; |
| |
| static jvmtiEnv *jvmti = NULL; |
| static jint result = PASSED; |
| static jboolean printdump = JNI_FALSE; |
| static frame_info fi = |
| {"Lnsk/jvmti/GetFrameLocation/frameloc002;", "check", |
| "(Ljava/lang/Thread;)I", -1}; |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_frameloc002(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_frameloc002(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_frameloc002(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 != NULL && strcmp(options, "printdump") == 0) { |
| printdump = JNI_TRUE; |
| } |
| |
| res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (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; |
| } |
| |
| return JNI_OK; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_nsk_jvmti_GetFrameLocation_frameloc002_check(JNIEnv *env, jclass cls, jthread thr) { |
| jvmtiError err; |
| jclass class; |
| jmethodID mid; |
| jlocation loc; |
| char *cls_sig, *name, *sig, *generic; |
| char buffer[32]; |
| |
| if (jvmti == NULL) { |
| printf("JVMTI client was not properly loaded!\n"); |
| return STATUS_FAILED; |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> acquiring frame location ...\n"); |
| } |
| err = (*jvmti)->GetFrameLocation(jvmti, thr, 0, &mid, &loc); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(GetFrameLocation) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> retrieving class/method info ...\n"); |
| } |
| err = (*jvmti)->GetMethodDeclaringClass(jvmti, mid, &class); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(GetMethodDeclaringClass) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| err = (*jvmti)->GetClassSignature(jvmti, class, &cls_sig, &generic); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(GetClassSignature) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| err = (*jvmti)->GetMethodName(jvmti, mid, &name, &sig, &generic); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(GetMethodName) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| result = STATUS_FAILED; |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> class: \"%s\"\n", cls_sig); |
| printf(">>> method: \"%s%s\"\n", name, sig); |
| printf(">>> location: %s\n", |
| jlong_to_string(loc, buffer)); |
| } |
| |
| if (cls_sig == NULL || |
| strcmp(cls_sig, fi.cls_sig) != 0) { |
| printf("(GetFrameLocation) wrong class: \"%s\"", cls_sig); |
| printf(", expected: \"%s\"\n", fi.cls_sig); |
| result = STATUS_FAILED; |
| } |
| if (name == NULL || |
| strcmp(name, fi.name) != 0) { |
| printf("(GetFrameLocation) wrong method name: \"%s\"", name); |
| printf(", expected: \"%s\"\n", fi.name); |
| result = STATUS_FAILED; |
| } |
| if (sig == NULL || |
| strcmp(sig, fi.sig) != 0) { |
| printf("(GetFrameLocation) wrong method signature: \"%s\"", sig); |
| printf(", expected: \"%s\"\n", fi.sig); |
| result = STATUS_FAILED; |
| } |
| if (loc != fi.loc) { |
| printf("(GetFrameLocation) wrong location: %s", |
| jlong_to_string(loc, buffer)); |
| printf(", expected: %s\n", |
| jlong_to_string(fi.loc, buffer)); |
| result = STATUS_FAILED; |
| } |
| |
| if (printdump == JNI_TRUE) { |
| printf(">>> ... done\n"); |
| } |
| |
| return result; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |