| /* |
| * 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; |
| jvmtiLineNumberEntry *table; |
| } info; |
| |
| static jvmtiEnv *jvmti; |
| static jvmtiCapabilities caps; |
| static jint result = PASSED; |
| static jvmtiLineNumberEntry m0[] = { |
| {0, 64} |
| }; |
| static jvmtiLineNumberEntry m1[] = { |
| {0, 67}, |
| {4, 68}, |
| {7, 69}, |
| {12,70} |
| }; |
| static info meth_tab[] = {{1, m0}, {4, m1}}; |
| |
| void checkMeth(JNIEnv *env, jclass cl, char *name, char *sig, |
| int stat, int meth_ind) { |
| jvmtiError err; |
| int i, j, flag; |
| jmethodID mid; |
| jint count = -1; |
| jvmtiLineNumberEntry *table; |
| int exp_count = meth_tab[meth_ind].count; |
| jvmtiLineNumberEntry *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)->GetLineNumberTable(jvmti, mid, &count, &table); |
| if (err == JVMTI_ERROR_MUST_POSSESS_CAPABILITY && |
| !caps.can_get_line_numbers) { |
| /* It is OK */ |
| return; |
| } else if (err != JVMTI_ERROR_NONE) { |
| printf("Name = %s, sig = %s:\n", name, sig); |
| printf(" Failed get line number table: (%s) %d\n", |
| TranslateError(err), err); |
| result = STATUS_FAILED; |
| return; |
| } |
| if (count != exp_count) { |
| result = STATUS_FAILED; |
| printf("Name = %s, sig = %s: number of entries expected: %d, got: %d\n", |
| name, sig, exp_count, count); |
| return; |
| } |
| |
| for (i = 0; i < count; i++) { /* for each expected entry */ |
| flag = 0; |
| for (j = 0; j < count; j++) { /* search returned table for the entry */ |
| if (table[j].line_number == exp_table[i].line_number) { |
| flag = 1; |
| if (table[j].start_location != exp_table[i].start_location) { |
| result = STATUS_FAILED; |
| printf("Name = %s, sig = %s, line %d:\n", |
| name, sig, table[j].line_number); |
| 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); |
| } |
| break; |
| } |
| } |
| if (!flag) { |
| result = STATUS_FAILED; |
| printf("Name = %s, sig = %s, no line: %d\n", |
| name, sig, exp_table[i].line_number); |
| } |
| } |
| } |
| |
| #ifdef STATIC_BUILD |
| JNIEXPORT jint JNICALL Agent_OnLoad_linetab001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNICALL Agent_OnAttach_linetab001(JavaVM *jvm, char *options, void *reserved) { |
| return Agent_Initialize(jvm, options, reserved); |
| } |
| JNIEXPORT jint JNI_OnLoad_linetab001(JavaVM *jvm, char *options, void *reserved) { |
| return JNI_VERSION_1_8; |
| } |
| #endif |
| jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) { |
| jvmtiError err; |
| jint res; |
| |
| 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_get_line_numbers) { |
| printf("Warning: GetLineNumberTable is not implemented\n"); |
| } |
| |
| return JNI_OK; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_nsk_jvmti_GetLineNumberTable_linetab001_check(JNIEnv *env, jclass cls) { |
| checkMeth(env, cls, "meth00", "()V", 1, 0); |
| checkMeth(env, cls, "meth01", "()D", 0, 1); |
| return result; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |