44 #define CLASS_TAG 4
45
46 #define ENCODE_TAG(type, obj, fld) (((jlong)type)<<32 | ((jlong)obj)<<16 | (jlong)fld)
47 #define DECODE_TYPE(tag) tag>>32
48 #define DECODE_OBJECT(tag) ((tag>>16)&0xFFFF)
49 #define DECODE_FIELD(tag) (tag&0xFFFF)
50
51 #define TEST_OBJECTS_COUNT 2
52 #define TAGGED_OBJECTS 1
53
54 static long timeout = 0;
55 static int filter_type = -1;
56
57 // by default at least one object will be reported regardless to filter type
58 static int expected_object_count = 1;
59 static int reported_objects = 0;
60
61 //expected values
62 #define INT_ARRAY_LENGTH 2
63
64 static jint TAGGED_STATIC_INT_VALUE = 0xC0DE01;
65 static jint TAGGED_INT_VALUE = 0xC0DE02;
66 static jint UNTAGGED_STATIC_INT_VALUE = 0xC0DE03;
67 static jint UNTAGGED_INT_VALUE = 0xC0DE04;
68 static jint TAGGED_INT_ARRAY_VALUE[] = {0xC0DE01,
69 0xC0DE01+1};
70 static jint UNTAGGED_INT_ARRAY_VALUE[] = {0xC0DE03,
71 0xC0DE03+1};
72 static const wchar_t *TAGGED_STRING_VALUE = L"I'm a tagged string";
73 static const wchar_t *UNTAGGED_STRING_VALUE = L"I'm an untagged string";
74
75 //kind of field
76 #define TYPE_FIELD 1
77 #define TYPE_ARRAY 2
78 #define TYPE_STRING 4
79
80 //field info
81 typedef struct {
82 char *name;
83 char *signature;
84 int found;
85 int collected;
86 int primitive;
87 int expected;
335
336 // Iterate over fields, collect info about it and tag non primitive fields.
337 for (field = 0; field < objects_info[object].fields_count; field++) {
338 jint modifiers;
339 int is_static = 0;
340 int is_primitive = 0;
341 if (!NSK_JVMTI_VERIFY(jvmti->GetFieldName(targetClass,
342 targetFields[field],
343 &objects_info[object].fields[field].name,
344 &objects_info[object].fields[field].signature,
345 NULL)))
346 return JNI_ERR;
347 if (!NSK_JVMTI_VERIFY(jvmti->GetFieldModifiers(
348 targetClass, targetFields[field], &modifiers))) {
349 return JNI_ERR;
350 }
351 is_static = (modifiers & STATIC_FIELD) == STATIC_FIELD;
352 if (is_primitive_type(objects_info[object].fields[field].signature)) {
353 objects_info[object].fields[field].primitive = 1;
354 is_primitive = 1;
355 } else {
356 jobject value;
357 if (!NSK_JVMTI_VERIFY(jvmti->GetFieldModifiers(
358 targetClass, targetFields[field], &modifiers))) {
359 return JNI_ERR;
360 }
361 if (is_static) {
362 if (!NSK_VERIFY(NULL != (value = jni->GetStaticObjectField(
363 targetClass, targetFields[field])))) {
364 return JNI_ERR;
365 }
366 } else {
367 if (!NSK_VERIFY(NULL != (value = jni->GetObjectField(target, targetFields[field])))) {
368 return JNI_ERR;
369 }
370 }
371 if (tagged) {
372 if (!NSK_JVMTI_VERIFY(jvmti->SetTag(value, ENCODE_TAG(FIELD_TAG,object,field)))) {
373 return JNI_ERR;
374 }
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44 #define CLASS_TAG 4
45
46 #define ENCODE_TAG(type, obj, fld) (((jlong)type)<<32 | ((jlong)obj)<<16 | (jlong)fld)
47 #define DECODE_TYPE(tag) tag>>32
48 #define DECODE_OBJECT(tag) ((tag>>16)&0xFFFF)
49 #define DECODE_FIELD(tag) (tag&0xFFFF)
50
51 #define TEST_OBJECTS_COUNT 2
52 #define TAGGED_OBJECTS 1
53
54 static long timeout = 0;
55 static int filter_type = -1;
56
57 // by default at least one object will be reported regardless to filter type
58 static int expected_object_count = 1;
59 static int reported_objects = 0;
60
61 //expected values
62 #define INT_ARRAY_LENGTH 2
63
64 static jint POISON = 0x1234;
65 static jint TAGGED_STATIC_INT_VALUE = 0xC0DE01 + POISON;
66 static jint TAGGED_INT_VALUE = 0xC0DE02 + POISON;
67 static jint UNTAGGED_STATIC_INT_VALUE = 0xC0DE03 + POISON;
68 static jint UNTAGGED_INT_VALUE = 0xC0DE04 + POISON;
69 static jint TAGGED_INT_ARRAY_VALUE[] = {0xC0DE01,
70 0xC0DE01+1};
71 static jint UNTAGGED_INT_ARRAY_VALUE[] = {0xC0DE03,
72 0xC0DE03+1};
73 static const wchar_t *TAGGED_STRING_VALUE = L"I'm a tagged string";
74 static const wchar_t *UNTAGGED_STRING_VALUE = L"I'm an untagged string";
75
76 //kind of field
77 #define TYPE_FIELD 1
78 #define TYPE_ARRAY 2
79 #define TYPE_STRING 4
80
81 //field info
82 typedef struct {
83 char *name;
84 char *signature;
85 int found;
86 int collected;
87 int primitive;
88 int expected;
336
337 // Iterate over fields, collect info about it and tag non primitive fields.
338 for (field = 0; field < objects_info[object].fields_count; field++) {
339 jint modifiers;
340 int is_static = 0;
341 int is_primitive = 0;
342 if (!NSK_JVMTI_VERIFY(jvmti->GetFieldName(targetClass,
343 targetFields[field],
344 &objects_info[object].fields[field].name,
345 &objects_info[object].fields[field].signature,
346 NULL)))
347 return JNI_ERR;
348 if (!NSK_JVMTI_VERIFY(jvmti->GetFieldModifiers(
349 targetClass, targetFields[field], &modifiers))) {
350 return JNI_ERR;
351 }
352 is_static = (modifiers & STATIC_FIELD) == STATIC_FIELD;
353 if (is_primitive_type(objects_info[object].fields[field].signature)) {
354 objects_info[object].fields[field].primitive = 1;
355 is_primitive = 1;
356 // Add POISON to all int fields to make the value opaque to the JIT compiler.
357 if (is_static) {
358 jint value = jni->GetStaticIntField(targetClass, targetFields[field]);
359 jni->SetStaticIntField(targetClass, targetFields[field], value + POISON);
360 } else {
361 jint value = jni->GetIntField(target, targetFields[field]);
362 jni->SetIntField(target, targetFields[field], value + POISON);
363 }
364 } else {
365 jobject value;
366 if (!NSK_JVMTI_VERIFY(jvmti->GetFieldModifiers(
367 targetClass, targetFields[field], &modifiers))) {
368 return JNI_ERR;
369 }
370 if (is_static) {
371 if (!NSK_VERIFY(NULL != (value = jni->GetStaticObjectField(
372 targetClass, targetFields[field])))) {
373 return JNI_ERR;
374 }
375 } else {
376 if (!NSK_VERIFY(NULL != (value = jni->GetObjectField(target, targetFields[field])))) {
377 return JNI_ERR;
378 }
379 }
380 if (tagged) {
381 if (!NSK_JVMTI_VERIFY(jvmti->SetTag(value, ENCODE_TAG(FIELD_TAG,object,field)))) {
382 return JNI_ERR;
383 }
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