14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 */
26
27 #include <stdio.h>
28 #include <string.h>
29 #include "jvmti.h"
30 #include "jni_tools.h"
31 #include "agent_common.h"
32 #include "JVMTITools.h"
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 #ifndef JNI_ENV_ARG
39
40 #ifdef __cplusplus
41 #define JNI_ENV_ARG(x, y) y
42 #define JNI_ENV_PTR(x) x
43 #else
44 #define JNI_ENV_ARG(x,y) x, y
45 #define JNI_ENV_PTR(x) (*x)
46 #endif
47
48 #endif
49
50 #define PASSED 0
51 #define STATUS_FAILED 2
52
53 static jvmtiEnv *jvmti = NULL;
54 static jvmtiCapabilities caps;
55 static jint result = PASSED;
56 static jboolean printdump = JNI_FALSE;
57 static jmethodID mid = NULL;
58
59 void print_LocalVariableEntry(jvmtiLocalVariableEntry *lvt_elem) {
60 printf("\n Var name: %s, slot: %d", lvt_elem->name, lvt_elem->slot);
61 printf(", start_bci: %" LL "d", lvt_elem->start_location);
62 printf(", end_bci: %" LL "d", lvt_elem->start_location + lvt_elem->length);
63 printf(", signature: %s\n", lvt_elem->signature);
64 }
65
66 #ifdef STATIC_BUILD
67 JNIEXPORT jint JNICALL Agent_OnLoad_getlocal004(JavaVM *jvm, char *options, void *reserved) {
68 return Agent_Initialize(jvm, options, reserved);
69 }
70 JNIEXPORT jint JNICALL Agent_OnAttach_getlocal004(JavaVM *jvm, char *options, void *reserved) {
71 return Agent_Initialize(jvm, options, reserved);
72 }
73 JNIEXPORT jint JNI_OnLoad_getlocal004(JavaVM *jvm, char *options, void *reserved) {
74 return JNI_VERSION_1_8;
75 }
76 #endif
77 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
78 jint res;
79 jvmtiError err;
80
81 if (options != NULL && strcmp(options, "printdump") == 0) {
82 printdump = JNI_TRUE;
83 }
84
85 res = JNI_ENV_PTR(jvm)->GetEnv(JNI_ENV_ARG(jvm, (void **) &jvmti),
86 JVMTI_VERSION_1_1);
87 if (res != JNI_OK || jvmti == NULL) {
88 printf("Wrong result of a valid call to GetEnv!\n");
89 return JNI_ERR;
90 }
91
92 err = jvmti->GetPotentialCapabilities(&caps);
93 if (err != JVMTI_ERROR_NONE) {
94 printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n",
95 TranslateError(err), err);
96 return JNI_ERR;
97 }
98
99 err = jvmti->AddCapabilities(&caps);
100 if (err != JVMTI_ERROR_NONE) {
101 printf("(AddCapabilities) unexpected error: %s (%d)\n",
102 TranslateError(err), err);
103 return JNI_ERR;
104 }
105
106 err = jvmti->GetCapabilities(&caps);
111 }
112
113 if (!caps.can_access_local_variables) {
114 printf("Warning: Access to local variables is not implemented\n");
115 }
116
117 return JNI_OK;
118 }
119
120 JNIEXPORT void JNICALL
121 Java_nsk_jvmti_unit_GetLocalVariable_getlocal004_getMeth(JNIEnv *env, jclass cls) {
122 if (jvmti == NULL) {
123 printf("JVMTI client was not properly loaded!\n");
124 result = STATUS_FAILED;
125 return;
126 }
127
128 if (!caps.can_access_local_variables ||
129 !caps.can_generate_method_exit_events) return;
130
131 mid = JNI_ENV_PTR(env)->GetStaticMethodID(JNI_ENV_ARG(env, cls),
132 "staticMeth", "(I)I");
133 if (mid == NULL) {
134 printf("Cannot find Method ID for staticMeth\n");
135 result = STATUS_FAILED;
136 return;
137 }
138
139 fflush(stdout);
140 }
141
142 void checkErrorCodeIn(jvmtiError err, jint slot) {
143 if (err != JVMTI_ERROR_NONE) {
144 printf(" FAILURE: JVMTI_ERROR_NONE is expected, slot: %d\n\n", slot);
145 result = STATUS_FAILED;
146 } else {
147 printf(" success: JVMTI_ERROR_NONE as expected, slot: %d\n\n", slot);
148 }
149 }
150
151 void checkErrorCodeOut(jvmtiError err, jint slot) {
152 if (err != JVMTI_ERROR_INVALID_SLOT) {
226 printf(" slot%d: %d\n", slot, locInt);
227 }
228
229 err = jvmti->GetLocalLong(thr, 1, slot, &locLong);
230 printf(" GetLocalLong: %s (%d)\n", TranslateError(err), err);
231 checkErrorCodeOut(err, slot);
232
233 err = jvmti->GetLocalDouble(thr, 1, slot, &locDouble);
234 printf(" GetLocalDouble: %s (%d)\n", TranslateError(err), err);
235 checkErrorCodeOut(err, slot);
236 }
237
238 fflush(stdout);
239 }
240
241 JNIEXPORT jint JNICALL
242 Java_nsk_jvmti_unit_GetLocalVariable_getlocal004_getRes(JNIEnv *env, jclass cls) {
243 return result;
244 }
245
246 #ifdef __cplusplus
247 }
248 #endif
|
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 */
26
27 #include <stdio.h>
28 #include <string.h>
29 #include "jvmti.h"
30 #include "jni_tools.h"
31 #include "agent_common.h"
32 #include "JVMTITools.h"
33
34 extern "C" {
35
36
37 #define PASSED 0
38 #define STATUS_FAILED 2
39
40 static jvmtiEnv *jvmti = NULL;
41 static jvmtiCapabilities caps;
42 static jint result = PASSED;
43 static jboolean printdump = JNI_FALSE;
44 static jmethodID mid = NULL;
45
46 void print_LocalVariableEntry(jvmtiLocalVariableEntry *lvt_elem) {
47 printf("\n Var name: %s, slot: %d", lvt_elem->name, lvt_elem->slot);
48 printf(", start_bci: %" LL "d", lvt_elem->start_location);
49 printf(", end_bci: %" LL "d", lvt_elem->start_location + lvt_elem->length);
50 printf(", signature: %s\n", lvt_elem->signature);
51 }
52
53 #ifdef STATIC_BUILD
54 JNIEXPORT jint JNICALL Agent_OnLoad_getlocal004(JavaVM *jvm, char *options, void *reserved) {
55 return Agent_Initialize(jvm, options, reserved);
56 }
57 JNIEXPORT jint JNICALL Agent_OnAttach_getlocal004(JavaVM *jvm, char *options, void *reserved) {
58 return Agent_Initialize(jvm, options, reserved);
59 }
60 JNIEXPORT jint JNI_OnLoad_getlocal004(JavaVM *jvm, char *options, void *reserved) {
61 return JNI_VERSION_1_8;
62 }
63 #endif
64 jint Agent_Initialize(JavaVM *jvm, char *options, void *reserved) {
65 jint res;
66 jvmtiError err;
67
68 if (options != NULL && strcmp(options, "printdump") == 0) {
69 printdump = JNI_TRUE;
70 }
71
72 res = jvm->GetEnv((void **) &jvmti, JVMTI_VERSION_1_1);
73 if (res != JNI_OK || jvmti == NULL) {
74 printf("Wrong result of a valid call to GetEnv!\n");
75 return JNI_ERR;
76 }
77
78 err = jvmti->GetPotentialCapabilities(&caps);
79 if (err != JVMTI_ERROR_NONE) {
80 printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n",
81 TranslateError(err), err);
82 return JNI_ERR;
83 }
84
85 err = jvmti->AddCapabilities(&caps);
86 if (err != JVMTI_ERROR_NONE) {
87 printf("(AddCapabilities) unexpected error: %s (%d)\n",
88 TranslateError(err), err);
89 return JNI_ERR;
90 }
91
92 err = jvmti->GetCapabilities(&caps);
97 }
98
99 if (!caps.can_access_local_variables) {
100 printf("Warning: Access to local variables is not implemented\n");
101 }
102
103 return JNI_OK;
104 }
105
106 JNIEXPORT void JNICALL
107 Java_nsk_jvmti_unit_GetLocalVariable_getlocal004_getMeth(JNIEnv *env, jclass cls) {
108 if (jvmti == NULL) {
109 printf("JVMTI client was not properly loaded!\n");
110 result = STATUS_FAILED;
111 return;
112 }
113
114 if (!caps.can_access_local_variables ||
115 !caps.can_generate_method_exit_events) return;
116
117 mid = env->GetStaticMethodID(cls, "staticMeth", "(I)I");
118 if (mid == NULL) {
119 printf("Cannot find Method ID for staticMeth\n");
120 result = STATUS_FAILED;
121 return;
122 }
123
124 fflush(stdout);
125 }
126
127 void checkErrorCodeIn(jvmtiError err, jint slot) {
128 if (err != JVMTI_ERROR_NONE) {
129 printf(" FAILURE: JVMTI_ERROR_NONE is expected, slot: %d\n\n", slot);
130 result = STATUS_FAILED;
131 } else {
132 printf(" success: JVMTI_ERROR_NONE as expected, slot: %d\n\n", slot);
133 }
134 }
135
136 void checkErrorCodeOut(jvmtiError err, jint slot) {
137 if (err != JVMTI_ERROR_INVALID_SLOT) {
211 printf(" slot%d: %d\n", slot, locInt);
212 }
213
214 err = jvmti->GetLocalLong(thr, 1, slot, &locLong);
215 printf(" GetLocalLong: %s (%d)\n", TranslateError(err), err);
216 checkErrorCodeOut(err, slot);
217
218 err = jvmti->GetLocalDouble(thr, 1, slot, &locDouble);
219 printf(" GetLocalDouble: %s (%d)\n", TranslateError(err), err);
220 checkErrorCodeOut(err, slot);
221 }
222
223 fflush(stdout);
224 }
225
226 JNIEXPORT jint JNICALL
227 Java_nsk_jvmti_unit_GetLocalVariable_getlocal004_getRes(JNIEnv *env, jclass cls) {
228 return result;
229 }
230
231 }
|