| /* |
| * 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 <inttypes.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include "jvmti.h" |
| #include "agent_common.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 *name; |
| char *sig; |
| jboolean is_static; |
| } field_info; |
| |
| static jvmtiEnv *jvmti = NULL; |
| static jint result = PASSED; |
| static jboolean printdump = JNI_FALSE; |
| static field_info fields[] = { |
| { "staticBoolean", "Z", JNI_TRUE }, |
| { "staticByte", "B", JNI_TRUE }, |
| { "staticShort", "S", JNI_TRUE }, |
| { "staticInt", "I", JNI_TRUE }, |
| { "staticLong", "J", JNI_TRUE }, |
| { "staticFloat", "F", JNI_TRUE }, |
| { "staticDouble", "D", JNI_TRUE }, |
| { "staticChar", "C", JNI_TRUE }, |
| { "staticObject", "Ljava/lang/Object;", JNI_TRUE }, |
| { "staticArrInt", "[I", JNI_TRUE }, |
| |
| { "instanceBoolean", "Z", JNI_FALSE }, |
| { "instanceByte", "B", JNI_FALSE }, |
| { "instanceShort", "S", JNI_FALSE }, |
| { "instanceInt", "I", JNI_FALSE }, |
| { "instanceLong", "J", JNI_FALSE }, |
| { "instanceFloat", "F", JNI_FALSE }, |
| { "instanceDouble", "D", JNI_FALSE }, |
| { "instanceChar", "C", JNI_FALSE }, |
| { "instanceObject", "Ljava/lang/Object;", JNI_FALSE }, |
| { "instanceArrInt", "[I", JNI_FALSE } |
| }; |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_getfldnm004(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_getfldnm004(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_getfldnm004(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_GetFieldName_getfldnm004_check(JNIEnv *env, |
| jclass cls, jclass clazz) { |
| jvmtiError err; |
| jfieldID fid; |
| char *name, *sig, *generic; |
| size_t i; |
| |
| if (jvmti == NULL) { |
| printf("JVMTI client was not properly loaded!\n"); |
| return STATUS_FAILED; |
| } |
| |
| for (i = 0; i < sizeof(fields)/sizeof(field_info); i++) { |
| if (fields[i].is_static == JNI_TRUE) { |
| fid = JNI_ENV_PTR(env)->GetStaticFieldID( |
| JNI_ENV_ARG(env, clazz), fields[i].name, fields[i].sig); |
| } else { |
| fid = JNI_ENV_PTR(env)->GetFieldID( |
| JNI_ENV_ARG(env, clazz), fields[i].name, fields[i].sig); |
| } |
| if (fid == NULL) { |
| printf("(%" PRIuPTR ") cannot get field ID for %s:\"%s\"\n", |
| i, fields[i].name, fields[i].sig); |
| result = STATUS_FAILED; |
| continue; |
| } |
| err = (*jvmti)->GetFieldName(jvmti, clazz, fid, &name, &sig, &generic); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(GetFieldName#%" PRIuPTR ") unexpected error: %s (%d)\n", |
| i, TranslateError(err), err); |
| result = STATUS_FAILED; |
| continue; |
| } |
| if (printdump == JNI_TRUE) { |
| printf(">>> %" PRIuPTR " -- %s:\"%s\"\n", i, name, sig); |
| } |
| if (name == NULL || strcmp(name, fields[i].name) != 0) { |
| printf("(%" PRIuPTR ") wrong field name: \"%s\"", i, name); |
| printf(", expected: \"%s\"\n", fields[i].name); |
| result = STATUS_FAILED; |
| } |
| if (sig == NULL || strcmp(sig, fields[i].sig) != 0) { |
| printf("(%" PRIuPTR ") wrong field sig: \"%s\"", i, sig); |
| printf(", expected: \"%s\"\n", fields[i].sig); |
| result = STATUS_FAILED; |
| } |
| } |
| |
| return result; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |