text: /*
   * 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"
  
  #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
  
  static jvmtiEnv *jvmti = NULL;
  static jint result = PASSED;
  static jboolean printdump = JNI_FALSE;
  
  #ifdef STATIC_BUILD
  JNIEXPORT jint JNICALL Agent_OnLoad_maxloc002(JavaVM *jvm, char *options, void *reserved) {
      return Agent_Initialize(jvm, options, reserved);
  }
  JNIEXPORT jint JNICALL Agent_OnAttach_maxloc002(JavaVM *jvm, char *options, void *reserved) {
      return Agent_Initialize(jvm, options, reserved);
  }
  JNIEXPORT jint JNI_OnLoad_maxloc002(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_GetMaxLocals_maxloc002_check(JNIEnv *env, jclass cls) {
      jvmtiError err;
      jmethodID mid;
      jint max;
  
      if (jvmti == NULL) {
          printf("JVMTI client was not properly loaded!\n");
          return STATUS_FAILED;
      }
  
      mid = JNI_ENV_PTR(env)->GetMethodID(JNI_ENV_ARG(env, cls), "<init>", "()V");
      if (mid == NULL) {
          printf("Cannot get method ID for \"<init>\"!\n");
          return STATUS_FAILED;
      }
  
      if (printdump == JNI_TRUE) {
          printf(">>> invalid method check ...\n");
      }
      err = (*jvmti)->GetMaxLocals(jvmti, NULL, &max);
      if (err != JVMTI_ERROR_INVALID_METHODID) {
          printf("Error expected: JVMTI_ERROR_INVALID_METHODID,\n");
          printf("\tactual: %s (%d)\n", TranslateError(err), err);
          result = STATUS_FAILED;
      }
  
      if (printdump == JNI_TRUE) {
          printf(">>> null pointer check ...\n");
      }
      err = (*jvmti)->GetMaxLocals(jvmti, mid, NULL);
      if (err != JVMTI_ERROR_NULL_POINTER) {
          printf("Error expected: JVMTI_ERROR_NULL_POINTER,\n");
          printf("\tactual: %s (%d)\n", TranslateError(err), err);
          result = STATUS_FAILED;
      }
  
      mid = JNI_ENV_PTR(env)->GetStaticMethodID(JNI_ENV_ARG(env, cls),
          "check", "()I");
      if (mid == NULL) {
          printf("Cannot get method ID for \"check\"!\n");
          return STATUS_FAILED;
      }
  
      if (printdump == JNI_TRUE) {
          printf(">>> native method check ...\n");
      }
      err = (*jvmti)->GetMaxLocals(jvmti, mid, &max);
      if (err != JVMTI_ERROR_NATIVE_METHOD) {
          printf("Error expected: JVMTI_ERROR_NATIVE_METHOD,\n");
          printf("\tactual: %s (%d)\n", TranslateError(err), err);
          result = STATUS_FAILED;
      }
  
      if (printdump == JNI_TRUE) {
          printf(">>> ... done\n");
      }
  
      return result;
  }
  
  #ifdef __cplusplus
  }
  #endif
  