Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/prims/jni.cpp
src/share/vm/prims/jni.cpp
- changeset 5577
- faf2631b9334
- parent 5365
- 59b052799158
- child 5579
- 21ffbaa691b5
equal
deleted
inserted
replaced
| 5576:badf4244ceae | 5577:faf2631b9334 |
|---|---|
| 3232 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); | 3232 DTRACE_PROBE3(hotspot_jni, GetStringChars__entry, env, string, isCopy); |
| 3233 #else /* USDT2 */ | 3233 #else /* USDT2 */ |
| 3234 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( | 3234 HOTSPOT_JNI_GETSTRINGCHARS_ENTRY( |
| 3235 env, string, (uintptr_t *) isCopy); | 3235 env, string, (uintptr_t *) isCopy); |
| 3236 #endif /* USDT2 */ | 3236 #endif /* USDT2 */ |
| 3237 //%note jni_5 | |
| 3238 if (isCopy != NULL) { | |
| 3239 *isCopy = JNI_TRUE; | |
| 3240 } | |
| 3241 oop s = JNIHandles::resolve_non_null(string); | 3237 oop s = JNIHandles::resolve_non_null(string); |
| 3242 int s_len = java_lang_String::length(s); | 3238 int s_len = java_lang_String::length(s); |
| 3243 typeArrayOop s_value = java_lang_String::value(s); | 3239 typeArrayOop s_value = java_lang_String::value(s); |
| 3244 int s_offset = java_lang_String::offset(s); | 3240 int s_offset = java_lang_String::offset(s); |
| 3245 jchar* buf = NEW_C_HEAP_ARRAY(jchar, s_len + 1, mtInternal); // add one for zero termination | 3241 jchar* buf = NEW_C_HEAP_ARRAY_RETURN_NULL(jchar, s_len + 1, mtInternal); // add one for zero termination |
| 3246 if (s_len > 0) { | 3242 /* JNI Specification states return NULL on OOM */ |
| 3247 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); | 3243 if (buf != NULL) { |
| 3248 } | 3244 if (s_len > 0) { |
| 3249 buf[s_len] = 0; | 3245 memcpy(buf, s_value->char_at_addr(s_offset), sizeof(jchar)*s_len); |
| 3246 } | |
| 3247 buf[s_len] = 0; | |
| 3248 //%note jni_5 | |
| 3249 if (isCopy != NULL) { | |
| 3250 *isCopy = JNI_TRUE; | |
| 3251 } | |
| 3252 } | |
| 3250 #ifndef USDT2 | 3253 #ifndef USDT2 |
| 3251 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); | 3254 DTRACE_PROBE1(hotspot_jni, GetStringChars__return, buf); |
| 3252 #else /* USDT2 */ | 3255 #else /* USDT2 */ |
| 3253 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( | 3256 HOTSPOT_JNI_GETSTRINGCHARS_RETURN( |
| 3254 buf); | 3257 buf); |
| 3333 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( | 3336 HOTSPOT_JNI_GETSTRINGUTFCHARS_ENTRY( |
| 3334 env, string, (uintptr_t *) isCopy); | 3337 env, string, (uintptr_t *) isCopy); |
| 3335 #endif /* USDT2 */ | 3338 #endif /* USDT2 */ |
| 3336 oop java_string = JNIHandles::resolve_non_null(string); | 3339 oop java_string = JNIHandles::resolve_non_null(string); |
| 3337 size_t length = java_lang_String::utf8_length(java_string); | 3340 size_t length = java_lang_String::utf8_length(java_string); |
| 3338 char* result = AllocateHeap(length + 1, mtInternal); | 3341 /* JNI Specification states return NULL on OOM */ |
| 3339 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); | 3342 char* result = AllocateHeap(length + 1, mtInternal, 0, AllocFailStrategy::RETURN_NULL); |
| 3340 if (isCopy != NULL) *isCopy = JNI_TRUE; | 3343 if (result != NULL) { |
| 3344 java_lang_String::as_utf8_string(java_string, result, (int) length + 1); | |
| 3345 if (isCopy != NULL) { | |
| 3346 *isCopy = JNI_TRUE; | |
| 3347 } | |
| 3348 } | |
| 3341 #ifndef USDT2 | 3349 #ifndef USDT2 |
| 3342 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); | 3350 DTRACE_PROBE1(hotspot_jni, GetStringUTFChars__return, result); |
| 3343 #else /* USDT2 */ | 3351 #else /* USDT2 */ |
| 3344 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( | 3352 HOTSPOT_JNI_GETSTRINGUTFCHARS_RETURN( |
| 3345 result); | 3353 result); |
| 3589 /* Empty array: legal but useless, can't return NULL. \ | 3597 /* Empty array: legal but useless, can't return NULL. \ |
| 3590 * Return a pointer to something useless. \ | 3598 * Return a pointer to something useless. \ |
| 3591 * Avoid asserts in typeArrayOop. */ \ | 3599 * Avoid asserts in typeArrayOop. */ \ |
| 3592 result = (ElementType*)get_bad_address(); \ | 3600 result = (ElementType*)get_bad_address(); \ |
| 3593 } else { \ | 3601 } else { \ |
| 3594 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ | 3602 /* JNI Specification states return NULL on OOM */ \ |
| 3595 /* copy the array to the c chunk */ \ | 3603 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
| 3596 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | 3604 if (result != NULL) { \ |
| 3605 /* copy the array to the c chunk */ \ | |
| 3606 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3607 if (isCopy) { \ | |
| 3608 *isCopy = JNI_TRUE; \ | |
| 3609 } \ | |
| 3610 } \ | |
| 3597 } \ | 3611 } \ |
| 3598 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3599 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ | 3612 DTRACE_PROBE1(hotspot_jni, Get##Result##ArrayElements__return, result);\ |
| 3600 return result; \ | 3613 return result; \ |
| 3601 JNI_END | 3614 JNI_END |
| 3602 | 3615 |
| 3603 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) | 3616 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool) |
| 3626 /* Empty array: legal but useless, can't return NULL. \ | 3639 /* Empty array: legal but useless, can't return NULL. \ |
| 3627 * Return a pointer to something useless. \ | 3640 * Return a pointer to something useless. \ |
| 3628 * Avoid asserts in typeArrayOop. */ \ | 3641 * Avoid asserts in typeArrayOop. */ \ |
| 3629 result = (ElementType*)get_bad_address(); \ | 3642 result = (ElementType*)get_bad_address(); \ |
| 3630 } else { \ | 3643 } else { \ |
| 3631 result = NEW_C_HEAP_ARRAY(ElementType, len, mtInternal); \ | 3644 /* JNI Specification states return NULL on OOM */ \ |
| 3632 /* copy the array to the c chunk */ \ | 3645 result = NEW_C_HEAP_ARRAY_RETURN_NULL(ElementType, len, mtInternal); \ |
| 3633 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | 3646 if (result != NULL) { \ |
| 3647 /* copy the array to the c chunk */ \ | |
| 3648 memcpy(result, a->Tag##_at_addr(0), sizeof(ElementType)*len); \ | |
| 3649 if (isCopy) { \ | |
| 3650 *isCopy = JNI_TRUE; \ | |
| 3651 } \ | |
| 3652 } \ | |
| 3634 } \ | 3653 } \ |
| 3635 if (isCopy) *isCopy = JNI_TRUE; \ | |
| 3636 ReturnProbe; \ | 3654 ReturnProbe; \ |
| 3637 return result; \ | 3655 return result; \ |
| 3638 JNI_END | 3656 JNI_END |
| 3639 | 3657 |
| 3640 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool | 3658 DEFINE_GETSCALARARRAYELEMENTS(T_BOOLEAN, jboolean, Boolean, bool |
