| /* |
| * 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 |
| |
| typedef struct { |
| int count; |
| jvmtiLocalVariableEntry *table; |
| } info; |
| |
| static jvmtiEnv *jvmti; |
| static jvmtiCapabilities caps; |
| static jint result = PASSED; |
| static jvmtiLocalVariableEntry m1[] = { |
| {0, 21, "this", "Lnsk/jvmti/GetLocalVariableTable/localtab001;", NULL, 0}, |
| {4, 17, "l", "J", NULL, 1}, |
| {7, 14, "f", "F", NULL, 2}, |
| {12, 9, "d", "D", NULL, 3} |
| }; |
| static jvmtiLocalVariableEntry m2[] = { |
| {0, 32, "this", "Lnsk/jvmti/GetLocalVariableTable/localtab001;", NULL, 0}, |
| {0, 32, "step", "I", NULL, 1}, |
| {2, 29, "i2", "S", NULL, 2}, |
| {4, 27, "i3", "C", NULL, 3}, |
| {7, 24, "i4", "B", NULL, 4}, |
| {10,21, "i5", "Z", NULL, 5}, |
| {13,18, "i1", "I", NULL, 6} |
| }; |
| static jvmtiLocalVariableEntry m3[] = { |
| {0, 70, "ob", "Lnsk/jvmti/GetLocalVariableTable/localtab001;", NULL, 0}, |
| {2, 67, "ob1", "Lnsk/jvmti/GetLocalVariableTable/localtab001;", NULL, 1}, |
| {56,13, "ob2", "[I", NULL, 2}, |
| {61, 0, "i", "I", NULL, 3}, |
| {64, 5, "e", "Ljava/lang/IndexOutOfBoundsException;", NULL, 4} |
| }; |
| static jvmtiLocalVariableEntry m4[] = { |
| {0, 33, "i1", "I", NULL, 0}, |
| {0, 33, "l", "J", NULL, 1}, |
| {0, 33, "i2", "S", NULL, 2}, |
| {0, 33, "d", "D", NULL, 3}, |
| {0, 33, "i3", "C", NULL, 4}, |
| {0, 33, "f", "F", NULL, 5}, |
| {0, 33, "i4", "B", NULL, 6}, |
| {0, 33, "b", "Z", NULL, 7} |
| }; |
| static jvmtiLocalVariableEntry m5[] = { |
| {0, 6, "this", "Lnsk/jvmti/GetLocalVariableTable/localtab001;", NULL, 0}, |
| {0, 6, "i", "I", NULL, 1}, |
| {2, 4, "i12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678", "I", NULL, 2} |
| }; |
| static jvmtiLocalVariableEntry m6[] = { |
| {0, 5, "this", "Lnsk/jvmti/GetLocalVariableTable/localtab001;", NULL, 0}, |
| }; |
| static info meth_tab[] = { |
| {0, NULL}, |
| {4, m1}, |
| {7, m2}, |
| {5, m3}, |
| {8, m4}, |
| {3, m5}, |
| {1, m6} |
| }; |
| |
| void checkMeth(JNIEnv *env, jclass cl, char *name, char *sig, |
| int stat, int meth_ind) { |
| jvmtiError err; |
| int i, j, flag, loc_err; |
| jmethodID mid; |
| jint count = -1; |
| jvmtiLocalVariableEntry *table; |
| int exp_count = meth_tab[meth_ind].count; |
| jvmtiLocalVariableEntry *exp_table = meth_tab[meth_ind].table; |
| |
| if (stat) { |
| mid = JNI_ENV_PTR(env)->GetStaticMethodID(JNI_ENV_ARG(env, cl), name, sig); |
| } else { |
| mid = JNI_ENV_PTR(env)->GetMethodID(JNI_ENV_ARG(env, cl), name, sig); |
| } |
| if (mid == NULL) { |
| printf("Name = %s, sig = %s: mid = NULL\n", name, sig); |
| result = STATUS_FAILED; |
| return; |
| } |
| err = (*jvmti)->GetLocalVariableTable(jvmti, mid, &count, &table); |
| if (err == JVMTI_ERROR_MUST_POSSESS_CAPABILITY && |
| !caps.can_access_local_variables) { |
| /* It is OK */ |
| return; |
| } else if (err != JVMTI_ERROR_NONE) { |
| printf("Name = %s, sig = %s:\n", name, sig); |
| printf(" Failed get local variable table: %s (%d)\n", |
| TranslateError(err), err); |
| result = STATUS_FAILED; |
| return; |
| } |
| if (count != exp_count) { |
| printf("Name = %s, sig = %s: number of entries expected: %d, got: %d\n", |
| name, sig, exp_count, count); |
| result = STATUS_FAILED; |
| } |
| |
| for (i = 0; i < exp_count; i++) { /* for each expected entry */ |
| flag = 0; |
| loc_err = 0; |
| for (j = 0; j < count; j++) { /* search returned table for the entry */ |
| if (strcmp(table[j].name, exp_table[i].name) == 0) { |
| flag = 1; |
| if (strcmp(table[j].signature, exp_table[i].signature) != 0) { |
| if (!loc_err) { |
| loc_err = 1; |
| printf("Name = %s, sig = %s, local %s:\n", |
| name, sig, table[j].name); |
| } |
| printf(" signature expected: \"%s\", got: \"%s\"\n", |
| exp_table[i].signature, table[j].signature); |
| result = STATUS_FAILED; |
| } |
| if (table[j].start_location != exp_table[i].start_location) { |
| if (!loc_err) { |
| loc_err = 1; |
| printf("Name = %s, sig = %s, local %s:\n", |
| name, sig, table[j].name); |
| } |
| printf(" start_location expected: 0x%x, got: 0x%08x%08x\n", |
| (jint)exp_table[i].start_location, |
| (jint)(table[j].start_location >> 32), |
| (jint)table[j].start_location); |
| result = STATUS_FAILED; |
| } |
| if (table[j].length != exp_table[i].length) { |
| if (!loc_err) { |
| loc_err = 1; |
| printf("Name = %s, sig = %s, local %s:\n", |
| name, sig, table[j].name); |
| } |
| printf(" length expected: %d, got: %d\n", |
| exp_table[i].length, table[j].length); |
| result = STATUS_FAILED; |
| } |
| break; |
| } |
| } |
| if (!flag) { |
| printf("Name = %s, sig = %s: no local: %s\n", |
| name, sig, exp_table[i].name); |
| result = STATUS_FAILED; |
| } |
| } |
| } |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_localtab001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_localtab001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_localtab001(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 = 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; |
| } |
| |
| err = (*jvmti)->GetPotentialCapabilities(jvmti, &caps); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| return JNI_ERR; |
| } |
| |
| err = (*jvmti)->AddCapabilities(jvmti, &caps); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(AddCapabilities) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| return JNI_ERR; |
| } |
| |
| err = (*jvmti)->GetCapabilities(jvmti, &caps); |
| if (err != JVMTI_ERROR_NONE) { |
| printf("(GetCapabilities) unexpected error: %s (%d)\n", |
| TranslateError(err), err); |
| return JNI_ERR; |
| } |
| |
| if (!caps.can_access_local_variables) { |
| printf("Warning: Access to local variables is not implemented\n"); |
| } |
| |
| return JNI_OK; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_nsk_jvmti_GetLocalVariableTable_localtab001_check(JNIEnv *env, jclass cls) { |
| checkMeth(env, cls, "meth00", "()V", 1, 0); |
| checkMeth(env, cls, "meth01", "()D", 0, 1); |
| checkMeth(env, cls, "meth02", "(I)V", 0, 2); |
| checkMeth(env, cls, "meth03", "(Lnsk/jvmti/GetLocalVariableTable/localtab001;)V", 1, 3); |
| checkMeth(env, cls, "meth04", "(IJSDCFBZ)D", 1, 4); |
| checkMeth(env, cls, "meth05", "(I)I", 0, 5); |
| checkMeth(env, cls, "<init>", "()V", 0, 6); |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_nsk_jvmti_GetLocalVariableTable_localtab001_getRes(JNIEnv *env, jclass cls) { |
| return result; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |
