Mercurial > hg > graal-jvmci-8
annotate src/share/vm/prims/jniCheck.cpp @ 22877:d68158e12cea
8043224: -Xcheck:jni improvements to exception checking and excessive local refs
Summary: Warning when not checking exceptions from function that require so, also when local refs expand beyond capacity.
Reviewed-by: dsimms
| author | poonam |
|---|---|
| date | Wed, 11 Mar 2015 13:36:57 -0700 |
| parents | 29a5c2fd2d2e |
| children | 9904bb920313 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/systemDictionary.hpp" | |
| 27 #include "classfile/vmSymbols.hpp" | |
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28 #include "memory/guardedMemory.hpp" |
| 1972 | 29 #include "oops/instanceKlass.hpp" |
| 30 #include "oops/oop.inline.hpp" | |
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31 #include "oops/symbol.hpp" |
| 1972 | 32 #include "prims/jni.h" |
| 33 #include "prims/jniCheck.hpp" | |
| 34 #include "prims/jvm_misc.hpp" | |
| 35 #include "runtime/fieldDescriptor.hpp" | |
| 36 #include "runtime/handles.hpp" | |
| 37 #include "runtime/interfaceSupport.hpp" | |
| 38 #include "runtime/jfieldIDWorkaround.hpp" | |
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39 #include "runtime/thread.inline.hpp" |
| 1972 | 40 #ifdef TARGET_ARCH_x86 |
| 41 # include "jniTypes_x86.hpp" | |
| 42 #endif | |
| 43 #ifdef TARGET_ARCH_sparc | |
| 44 # include "jniTypes_sparc.hpp" | |
| 45 #endif | |
| 46 #ifdef TARGET_ARCH_zero | |
| 47 # include "jniTypes_zero.hpp" | |
| 48 #endif | |
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49 #ifdef TARGET_ARCH_arm |
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50 # include "jniTypes_arm.hpp" |
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51 #endif |
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52 #ifdef TARGET_ARCH_ppc |
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53 # include "jniTypes_ppc.hpp" |
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54 #endif |
| 0 | 55 |
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56 // Complain every extra number of unplanned local refs |
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57 #define CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD 32 |
| 0 | 58 |
| 59 // Heap objects are allowed to be directly referenced only in VM code, | |
| 60 // not in native code. | |
| 61 | |
| 62 #define ASSERT_OOPS_ALLOWED \ | |
| 63 assert(JavaThread::current()->thread_state() == _thread_in_vm, \ | |
| 64 "jniCheck examining oops in bad state.") | |
| 65 | |
| 66 | |
| 67 // Execute the given block of source code with the thread in VM state. | |
| 68 // To do this, transition from the NATIVE state to the VM state, execute | |
| 69 // the code, and transtition back. The ThreadInVMfromNative constructor | |
| 70 // performs the transition to VM state, its destructor restores the | |
| 71 // NATIVE state. | |
| 72 | |
| 73 #define IN_VM(source_code) { \ | |
| 74 { \ | |
| 75 ThreadInVMfromNative __tiv(thr); \ | |
| 76 source_code \ | |
| 77 } \ | |
| 78 } | |
| 79 | |
| 80 | |
| 81 /* | |
| 82 * DECLARATIONS | |
| 83 */ | |
| 84 | |
| 85 static struct JNINativeInterface_ * unchecked_jni_NativeInterface; | |
| 86 | |
| 87 | |
| 88 /* | |
| 89 * MACRO DEFINITIONS | |
| 90 */ | |
| 91 | |
| 92 // All JNI checked functions here use JNI_ENTRY_CHECKED() instead of the | |
| 93 // QUICK_ENTRY or LEAF variants found in jni.cpp. This allows handles | |
| 94 // to be created if a fatal error should occur. | |
| 95 | |
| 96 // Check for thread not attached to VM; need to catch this before | |
| 97 // assertions in the wrapper routines might fire | |
| 98 | |
| 99 // Check for env being the one value appropriate for this thread. | |
| 100 | |
| 101 #define JNI_ENTRY_CHECKED(result_type, header) \ | |
| 102 extern "C" { \ | |
| 103 result_type JNICALL header { \ | |
| 104 JavaThread* thr = (JavaThread*)ThreadLocalStorage::get_thread_slow();\ | |
| 105 if (thr == NULL || !thr->is_Java_thread()) { \ | |
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106 tty->print_cr("%s", fatal_using_jnienv_in_nonjava); \ |
| 0 | 107 os::abort(true); \ |
| 108 } \ | |
| 109 JNIEnv* xenv = thr->jni_environment(); \ | |
| 110 if (env != xenv) { \ | |
| 111 NativeReportJNIFatalError(thr, warn_wrong_jnienv); \ | |
| 112 } \ | |
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113 VM_ENTRY_BASE(result_type, header, thr) |
| 0 | 114 |
| 115 | |
| 116 #define UNCHECKED() (unchecked_jni_NativeInterface) | |
| 117 | |
| 118 static const char * warn_wrong_jnienv = "Using JNIEnv in the wrong thread"; | |
| 119 static const char * warn_bad_class_descriptor = "JNI FindClass received a bad class descriptor \"%s\". A correct class descriptor " \ | |
| 120 "has no leading \"L\" or trailing \";\". Incorrect descriptors will not be accepted in future releases."; | |
| 121 static const char * fatal_using_jnienv_in_nonjava = "FATAL ERROR in native method: Using JNIEnv in non-Java thread"; | |
| 122 static const char * warn_other_function_in_critical = "Warning: Calling other JNI functions in the scope of " \ | |
| 123 "Get/ReleasePrimitiveArrayCritical or Get/ReleaseStringCritical"; | |
| 124 static const char * fatal_bad_ref_to_jni = "Bad global or local ref passed to JNI"; | |
| 125 static const char * fatal_received_null_class = "JNI received a null class"; | |
| 126 static const char * fatal_class_not_a_class = "JNI received a class argument that is not a class"; | |
| 127 static const char * fatal_class_not_a_throwable_class = "JNI Throw or ThrowNew received a class argument that is not a Throwable or Throwable subclass"; | |
| 128 static const char * fatal_wrong_class_or_method = "Wrong object class or methodID passed to JNI call"; | |
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129 static const char * fatal_non_weak_method = "non-weak methodID passed to JNI call"; |
| 0 | 130 static const char * fatal_unknown_array_object = "Unknown array object passed to JNI array operations"; |
| 131 static const char * fatal_object_array_expected = "Object array expected but not received for JNI array operation"; | |
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132 static const char * fatal_prim_type_array_expected = "Primitive type array expected but not received for JNI array operation"; |
| 0 | 133 static const char * fatal_non_array = "Non-array passed to JNI array operations"; |
| 134 static const char * fatal_element_type_mismatch = "Array element type mismatch in JNI"; | |
| 135 static const char * fatal_should_be_static = "Non-static field ID passed to JNI"; | |
| 136 static const char * fatal_wrong_static_field = "Wrong static field ID passed to JNI"; | |
| 137 static const char * fatal_static_field_not_found = "Static field not found in JNI get/set field operations"; | |
| 138 static const char * fatal_static_field_mismatch = "Field type (static) mismatch in JNI get/set field operations"; | |
| 139 static const char * fatal_should_be_nonstatic = "Static field ID passed to JNI"; | |
| 140 static const char * fatal_null_object = "Null object passed to JNI"; | |
| 141 static const char * fatal_wrong_field = "Wrong field ID passed to JNI"; | |
| 142 static const char * fatal_instance_field_not_found = "Instance field not found in JNI get/set field operations"; | |
| 143 static const char * fatal_instance_field_mismatch = "Field type (instance) mismatch in JNI get/set field operations"; | |
| 144 static const char * fatal_non_string = "JNI string operation received a non-string"; | |
| 145 | |
| 146 | |
| 147 // When in VM state: | |
| 148 static void ReportJNIWarning(JavaThread* thr, const char *msg) { | |
| 149 tty->print_cr("WARNING in native method: %s", msg); | |
| 150 thr->print_stack(); | |
| 151 } | |
| 152 | |
| 153 // When in NATIVE state: | |
| 154 static void NativeReportJNIFatalError(JavaThread* thr, const char *msg) { | |
| 155 IN_VM( | |
| 156 ReportJNIFatalError(thr, msg); | |
| 157 ) | |
| 158 } | |
| 159 | |
| 160 static void NativeReportJNIWarning(JavaThread* thr, const char *msg) { | |
| 161 IN_VM( | |
| 162 ReportJNIWarning(thr, msg); | |
| 163 ) | |
| 164 } | |
| 165 | |
| 166 | |
| 167 | |
| 168 | |
| 169 /* | |
| 170 * SUPPORT FUNCTIONS | |
| 171 */ | |
| 172 | |
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173 /** |
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174 * Check whether or not a programmer has actually checked for exceptions. According |
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175 * to the JNI Specification ("jni/spec/design.html#java_exceptions"): |
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176 * |
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177 * There are two cases where the programmer needs to check for exceptions without |
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178 * being able to first check an error code: |
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179 * |
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180 * - The JNI functions that invoke a Java method return the result of the Java method. |
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181 * The programmer must call ExceptionOccurred() to check for possible exceptions |
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182 * that occurred during the execution of the Java method. |
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183 * |
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184 * - Some of the JNI array access functions do not return an error code, but may |
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185 * throw an ArrayIndexOutOfBoundsException or ArrayStoreException. |
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186 * |
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187 * In all other cases, a non-error return value guarantees that no exceptions have been thrown. |
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188 */ |
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189 static inline void |
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190 check_pending_exception(JavaThread* thr) { |
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191 if (thr->has_pending_exception()) { |
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192 NativeReportJNIWarning(thr, "JNI call made with exception pending"); |
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193 } |
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194 if (thr->is_pending_jni_exception_check()) { |
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195 IN_VM( |
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196 tty->print_cr("WARNING in native method: JNI call made without checking exceptions when required to from %s", |
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197 thr->get_pending_jni_exception_check()); |
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198 thr->print_stack(); |
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199 ) |
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200 thr->clear_pending_jni_exception_check(); // Just complain once |
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201 } |
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202 } |
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203 |
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204 |
| 0 | 205 static inline void |
| 206 functionEnterCritical(JavaThread* thr) | |
| 207 { | |
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208 check_pending_exception(thr); |
| 0 | 209 } |
| 210 | |
| 211 static inline void | |
| 212 functionEnterCriticalExceptionAllowed(JavaThread* thr) | |
| 213 { | |
| 214 } | |
| 215 | |
| 216 static inline void | |
| 217 functionEnter(JavaThread* thr) | |
| 218 { | |
| 219 if (thr->in_critical()) { | |
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220 tty->print_cr("%s", warn_other_function_in_critical); |
| 0 | 221 } |
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222 check_pending_exception(thr); |
| 0 | 223 } |
| 224 | |
| 225 static inline void | |
| 226 functionEnterExceptionAllowed(JavaThread* thr) | |
| 227 { | |
| 228 if (thr->in_critical()) { | |
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229 tty->print_cr("%s", warn_other_function_in_critical); |
| 0 | 230 } |
| 231 } | |
| 232 | |
| 233 static inline void | |
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234 functionExit(JavaThread* thr) |
| 0 | 235 { |
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236 JNIHandleBlock* handles = thr->active_handles(); |
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237 size_t planned_capacity = handles->get_planned_capacity(); |
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238 size_t live_handles = handles->get_number_of_live_handles(); |
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239 if (live_handles > planned_capacity) { |
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240 IN_VM( |
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241 tty->print_cr("WARNING: JNI local refs: %zu, exceeds capacity: %zu", |
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242 live_handles, planned_capacity); |
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243 thr->print_stack(); |
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244 ) |
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245 // Complain just the once, reset to current + warn threshold |
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246 handles->set_planned_capacity(live_handles + CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD); |
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247 } |
| 0 | 248 } |
| 249 | |
| 250 static inline void | |
| 251 checkStaticFieldID(JavaThread* thr, jfieldID fid, jclass cls, int ftype) | |
| 252 { | |
| 253 fieldDescriptor fd; | |
| 254 | |
| 255 /* make sure it is a static field */ | |
| 256 if (!jfieldIDWorkaround::is_static_jfieldID(fid)) | |
| 257 ReportJNIFatalError(thr, fatal_should_be_static); | |
| 258 | |
| 259 /* validate the class being passed */ | |
| 260 ASSERT_OOPS_ALLOWED; | |
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261 Klass* k_oop = jniCheck::validate_class(thr, cls, false); |
| 0 | 262 |
| 263 /* check for proper subclass hierarchy */ | |
| 264 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fid); | |
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265 Klass* f_oop = id->holder(); |
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266 if (!InstanceKlass::cast(k_oop)->is_subtype_of(f_oop)) |
| 0 | 267 ReportJNIFatalError(thr, fatal_wrong_static_field); |
| 268 | |
| 269 /* check for proper field type */ | |
|
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270 if (!id->find_local_field(&fd)) |
| 0 | 271 ReportJNIFatalError(thr, fatal_static_field_not_found); |
| 272 if ((fd.field_type() != ftype) && | |
| 273 !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) { | |
| 274 ReportJNIFatalError(thr, fatal_static_field_mismatch); | |
| 275 } | |
| 276 } | |
| 277 | |
| 278 static inline void | |
| 279 checkInstanceFieldID(JavaThread* thr, jfieldID fid, jobject obj, int ftype) | |
| 280 { | |
| 281 fieldDescriptor fd; | |
| 282 | |
| 283 /* make sure it is an instance field */ | |
| 284 if (jfieldIDWorkaround::is_static_jfieldID(fid)) | |
| 285 ReportJNIFatalError(thr, fatal_should_be_nonstatic); | |
| 286 | |
| 287 /* validate the object being passed and then get its class */ | |
| 288 ASSERT_OOPS_ALLOWED; | |
| 289 oop oopObj = jniCheck::validate_object(thr, obj); | |
| 290 if (!oopObj) { | |
| 291 ReportJNIFatalError(thr, fatal_null_object); | |
| 292 } | |
|
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293 Klass* k_oop = oopObj->klass(); |
| 0 | 294 |
| 295 if (!jfieldIDWorkaround::is_valid_jfieldID(k_oop, fid)) { | |
| 296 ReportJNIFatalError(thr, fatal_wrong_field); | |
| 297 } | |
| 298 | |
| 299 /* make sure the field exists */ | |
| 300 int offset = jfieldIDWorkaround::from_instance_jfieldID(k_oop, fid); | |
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301 if (!InstanceKlass::cast(k_oop)->contains_field_offset(offset)) |
| 0 | 302 ReportJNIFatalError(thr, fatal_wrong_field); |
| 303 | |
| 304 /* check for proper field type */ | |
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305 if (!InstanceKlass::cast(k_oop)->find_field_from_offset(offset, |
| 0 | 306 false, &fd)) |
| 307 ReportJNIFatalError(thr, fatal_instance_field_not_found); | |
| 308 | |
| 309 if ((fd.field_type() != ftype) && | |
| 310 !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) { | |
| 311 ReportJNIFatalError(thr, fatal_instance_field_mismatch); | |
| 312 } | |
| 313 } | |
| 314 | |
| 315 static inline void | |
| 316 checkString(JavaThread* thr, jstring js) | |
| 317 { | |
| 318 ASSERT_OOPS_ALLOWED; | |
| 319 oop s = jniCheck::validate_object(thr, js); | |
| 320 if (!s || !java_lang_String::is_instance(s)) | |
| 321 ReportJNIFatalError(thr, fatal_non_string); | |
| 322 } | |
| 323 | |
|
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324 static inline arrayOop |
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325 check_is_array(JavaThread* thr, jarray jArray) |
| 0 | 326 { |
| 327 ASSERT_OOPS_ALLOWED; | |
| 328 arrayOop aOop; | |
| 329 | |
| 330 aOop = (arrayOop)jniCheck::validate_object(thr, jArray); | |
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331 if (aOop == NULL || !aOop->is_array()) { |
| 0 | 332 ReportJNIFatalError(thr, fatal_non_array); |
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333 } |
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334 return aOop; |
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335 } |
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336 |
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337 static inline arrayOop |
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338 check_is_primitive_array(JavaThread* thr, jarray jArray) { |
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339 arrayOop aOop = check_is_array(thr, jArray); |
| 0 | 340 |
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341 if (!aOop->is_typeArray()) { |
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342 ReportJNIFatalError(thr, fatal_prim_type_array_expected); |
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343 } |
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344 return aOop; |
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345 } |
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346 |
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347 static inline void |
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348 check_primitive_array_type(JavaThread* thr, jarray jArray, BasicType elementType) |
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349 { |
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350 BasicType array_type; |
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351 arrayOop aOop; |
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352 |
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353 aOop = check_is_primitive_array(thr, jArray); |
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354 array_type = TypeArrayKlass::cast(aOop->klass())->element_type(); |
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355 if (array_type != elementType) { |
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356 ReportJNIFatalError(thr, fatal_element_type_mismatch); |
| 0 | 357 } |
| 358 } | |
| 359 | |
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360 static inline void |
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361 check_is_obj_array(JavaThread* thr, jarray jArray) { |
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362 arrayOop aOop = check_is_array(thr, jArray); |
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363 if (!aOop->is_objArray()) { |
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364 ReportJNIFatalError(thr, fatal_object_array_expected); |
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365 } |
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366 } |
| 0 | 367 |
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368 /* |
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369 * Copy and wrap array elements for bounds checking. |
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370 * Remember the original elements (GuardedMemory::get_tag()) |
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371 */ |
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372 static void* check_jni_wrap_copy_array(JavaThread* thr, jarray array, |
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373 void* orig_elements) { |
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374 void* result; |
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375 IN_VM( |
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376 oop a = JNIHandles::resolve_non_null(array); |
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377 size_t len = arrayOop(a)->length() << |
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378 TypeArrayKlass::cast(a->klass())->log2_element_size(); |
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379 result = GuardedMemory::wrap_copy(orig_elements, len, orig_elements); |
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380 ) |
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381 return result; |
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382 } |
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383 |
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384 static void* check_wrapped_array(JavaThread* thr, const char* fn_name, |
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385 void* obj, void* carray, size_t* rsz) { |
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386 if (carray == NULL) { |
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387 tty->print_cr("%s: elements vector NULL" PTR_FORMAT, fn_name, p2i(obj)); |
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388 NativeReportJNIFatalError(thr, "Elements vector NULL"); |
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389 } |
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390 GuardedMemory guarded(carray); |
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391 void* orig_result = guarded.get_tag(); |
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392 if (!guarded.verify_guards()) { |
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393 tty->print_cr("ReleasePrimitiveArrayCritical: release array failed bounds " |
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394 "check, incorrect pointer returned ? array: " PTR_FORMAT " carray: " |
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395 PTR_FORMAT, p2i(obj), p2i(carray)); |
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396 guarded.print_on(tty); |
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397 NativeReportJNIFatalError(thr, "ReleasePrimitiveArrayCritical: " |
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398 "failed bounds check"); |
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399 } |
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400 if (orig_result == NULL) { |
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401 tty->print_cr("ReleasePrimitiveArrayCritical: unrecognized elements. array: " |
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402 PTR_FORMAT " carray: " PTR_FORMAT, p2i(obj), p2i(carray)); |
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403 guarded.print_on(tty); |
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404 NativeReportJNIFatalError(thr, "ReleasePrimitiveArrayCritical: " |
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405 "unrecognized elements"); |
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406 } |
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407 if (rsz != NULL) { |
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408 *rsz = guarded.get_user_size(); |
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409 } |
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410 return orig_result; |
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411 } |
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412 |
|
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413 static void* check_wrapped_array_release(JavaThread* thr, const char* fn_name, |
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414 void* obj, void* carray, jint mode) { |
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415 size_t sz; |
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416 void* orig_result = check_wrapped_array(thr, fn_name, obj, carray, &sz); |
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417 switch (mode) { |
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418 case 0: |
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419 memcpy(orig_result, carray, sz); |
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420 GuardedMemory::free_copy(carray); |
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421 break; |
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422 case JNI_COMMIT: |
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423 memcpy(orig_result, carray, sz); |
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424 break; |
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425 case JNI_ABORT: |
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426 GuardedMemory::free_copy(carray); |
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427 break; |
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428 default: |
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429 tty->print_cr("%s: Unrecognized mode %i releasing array " |
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430 PTR_FORMAT " elements " PTR_FORMAT, fn_name, mode, p2i(obj), p2i(carray)); |
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431 NativeReportJNIFatalError(thr, "Unrecognized array release mode"); |
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432 } |
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433 return orig_result; |
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434 } |
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435 |
| 0 | 436 oop jniCheck::validate_handle(JavaThread* thr, jobject obj) { |
| 437 if (JNIHandles::is_frame_handle(thr, obj) || | |
| 438 JNIHandles::is_local_handle(thr, obj) || | |
| 439 JNIHandles::is_global_handle(obj) || | |
| 440 JNIHandles::is_weak_global_handle(obj)) { | |
| 441 ASSERT_OOPS_ALLOWED; | |
| 442 return JNIHandles::resolve_external_guard(obj); | |
| 443 } | |
| 444 ReportJNIFatalError(thr, fatal_bad_ref_to_jni); | |
| 445 return NULL; | |
| 446 } | |
| 447 | |
| 448 | |
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449 Method* jniCheck::validate_jmethod_id(JavaThread* thr, jmethodID method_id) { |
| 0 | 450 ASSERT_OOPS_ALLOWED; |
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451 // do the fast jmethodID check first |
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452 Method* moop = Method::checked_resolve_jmethod_id(method_id); |
| 0 | 453 if (moop == NULL) { |
| 454 ReportJNIFatalError(thr, fatal_wrong_class_or_method); | |
| 455 } | |
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456 // jmethodIDs are supposed to be weak handles in the class loader data, |
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457 // but that can be expensive so check it last |
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458 else if (!Method::is_method_id(method_id)) { |
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459 ReportJNIFatalError(thr, fatal_non_weak_method); |
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460 } |
| 0 | 461 return moop; |
| 462 } | |
| 463 | |
| 464 | |
| 465 oop jniCheck::validate_object(JavaThread* thr, jobject obj) { | |
| 466 if (!obj) | |
| 467 return NULL; | |
| 468 ASSERT_OOPS_ALLOWED; | |
| 469 oop oopObj = jniCheck::validate_handle(thr, obj); | |
| 470 if (!oopObj) { | |
| 471 ReportJNIFatalError(thr, fatal_bad_ref_to_jni); | |
| 472 } | |
| 473 return oopObj; | |
| 474 } | |
| 475 | |
| 476 // Warn if a class descriptor is in decorated form; class descriptors | |
| 477 // passed to JNI findClass should not be decorated unless they are | |
| 478 // array descriptors. | |
| 479 void jniCheck::validate_class_descriptor(JavaThread* thr, const char* name) { | |
| 480 if (name == NULL) return; // implementation accepts NULL so just return | |
| 481 | |
| 482 size_t len = strlen(name); | |
| 483 | |
| 484 if (len >= 2 && | |
| 485 name[0] == JVM_SIGNATURE_CLASS && // 'L' | |
| 486 name[len-1] == JVM_SIGNATURE_ENDCLASS ) { // ';' | |
| 487 char msg[JVM_MAXPATHLEN]; | |
| 488 jio_snprintf(msg, JVM_MAXPATHLEN, warn_bad_class_descriptor, name); | |
| 489 ReportJNIWarning(thr, msg); | |
| 490 } | |
| 491 } | |
| 492 | |
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493 Klass* jniCheck::validate_class(JavaThread* thr, jclass clazz, bool allow_primitive) { |
| 0 | 494 ASSERT_OOPS_ALLOWED; |
| 495 oop mirror = jniCheck::validate_handle(thr, clazz); | |
| 496 if (!mirror) { | |
| 497 ReportJNIFatalError(thr, fatal_received_null_class); | |
| 498 } | |
| 499 | |
| 1142 | 500 if (mirror->klass() != SystemDictionary::Class_klass()) { |
| 0 | 501 ReportJNIFatalError(thr, fatal_class_not_a_class); |
| 502 } | |
| 503 | |
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504 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 505 // Make allowances for primitive classes ... |
| 506 if (!(k != NULL || allow_primitive && java_lang_Class::is_primitive(mirror))) { | |
| 507 ReportJNIFatalError(thr, fatal_class_not_a_class); | |
| 508 } | |
| 509 return k; | |
| 510 } | |
| 511 | |
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512 void jniCheck::validate_throwable_klass(JavaThread* thr, Klass* klass) { |
| 0 | 513 ASSERT_OOPS_ALLOWED; |
| 514 assert(klass != NULL, "klass argument must have a value"); | |
| 515 | |
| 6983 | 516 if (!klass->oop_is_instance() || |
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517 !InstanceKlass::cast(klass)->is_subclass_of(SystemDictionary::Throwable_klass())) { |
| 0 | 518 ReportJNIFatalError(thr, fatal_class_not_a_throwable_class); |
| 519 } | |
| 520 } | |
| 521 | |
| 522 void jniCheck::validate_call_object(JavaThread* thr, jobject obj, jmethodID method_id) { | |
| 523 /* validate the object being passed */ | |
| 524 ASSERT_OOPS_ALLOWED; | |
| 525 jniCheck::validate_jmethod_id(thr, method_id); | |
| 526 jniCheck::validate_object(thr, obj); | |
| 527 } | |
| 528 | |
| 529 void jniCheck::validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id) { | |
| 530 /* validate the class being passed */ | |
| 531 ASSERT_OOPS_ALLOWED; | |
| 532 jniCheck::validate_jmethod_id(thr, method_id); | |
| 533 jniCheck::validate_class(thr, clazz, false); | |
| 534 } | |
| 535 | |
| 536 | |
| 537 /* | |
| 538 * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE | |
| 539 */ | |
| 540 | |
| 541 JNI_ENTRY_CHECKED(jclass, | |
| 542 checked_jni_DefineClass(JNIEnv *env, | |
| 543 const char *name, | |
| 544 jobject loader, | |
| 545 const jbyte *buf, | |
| 546 jsize len)) | |
| 547 functionEnter(thr); | |
| 548 IN_VM( | |
| 549 jniCheck::validate_object(thr, loader); | |
| 550 ) | |
| 551 jclass result = UNCHECKED()->DefineClass(env, name, loader, buf, len); | |
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552 functionExit(thr); |
| 0 | 553 return result; |
| 554 JNI_END | |
| 555 | |
| 556 JNI_ENTRY_CHECKED(jclass, | |
| 557 checked_jni_FindClass(JNIEnv *env, | |
| 558 const char *name)) | |
| 559 functionEnter(thr); | |
| 560 IN_VM( | |
| 561 jniCheck::validate_class_descriptor(thr, name); | |
| 562 ) | |
| 563 jclass result = UNCHECKED()->FindClass(env, name); | |
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564 functionExit(thr); |
| 0 | 565 return result; |
| 566 JNI_END | |
| 567 | |
| 568 JNI_ENTRY_CHECKED(jmethodID, | |
| 569 checked_jni_FromReflectedMethod(JNIEnv *env, | |
| 570 jobject method)) | |
| 571 functionEnter(thr); | |
| 572 IN_VM( | |
| 573 jniCheck::validate_object(thr, method); | |
| 574 ) | |
| 575 jmethodID result = UNCHECKED()->FromReflectedMethod(env, method); | |
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576 functionExit(thr); |
| 0 | 577 return result; |
| 578 JNI_END | |
| 579 | |
| 580 JNI_ENTRY_CHECKED(jfieldID, | |
| 581 checked_jni_FromReflectedField(JNIEnv *env, | |
| 582 jobject field)) | |
| 583 functionEnter(thr); | |
| 584 IN_VM( | |
| 585 jniCheck::validate_object(thr, field); | |
| 586 ) | |
| 587 jfieldID result = UNCHECKED()->FromReflectedField(env, field); | |
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588 functionExit(thr); |
| 0 | 589 return result; |
| 590 JNI_END | |
| 591 | |
| 592 JNI_ENTRY_CHECKED(jobject, | |
| 593 checked_jni_ToReflectedMethod(JNIEnv *env, | |
| 594 jclass cls, | |
| 595 jmethodID methodID, | |
| 596 jboolean isStatic)) | |
| 597 functionEnter(thr); | |
| 598 IN_VM( | |
| 599 jniCheck::validate_class(thr, cls, false); | |
| 600 jniCheck::validate_jmethod_id(thr, methodID); | |
| 601 ) | |
| 602 jobject result = UNCHECKED()->ToReflectedMethod(env, cls, methodID, | |
| 603 isStatic); | |
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604 functionExit(thr); |
| 0 | 605 return result; |
| 606 JNI_END | |
| 607 | |
| 608 JNI_ENTRY_CHECKED(jclass, | |
| 609 checked_jni_GetSuperclass(JNIEnv *env, | |
| 610 jclass sub)) | |
| 611 functionEnter(thr); | |
| 612 IN_VM( | |
| 613 jniCheck::validate_class(thr, sub, true); | |
| 614 ) | |
| 615 jclass result = UNCHECKED()->GetSuperclass(env, sub); | |
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616 functionExit(thr); |
| 0 | 617 return result; |
| 618 JNI_END | |
| 619 | |
| 620 JNI_ENTRY_CHECKED(jboolean, | |
| 621 checked_jni_IsAssignableFrom(JNIEnv *env, | |
| 622 jclass sub, | |
| 623 jclass sup)) | |
| 624 functionEnter(thr); | |
| 625 IN_VM( | |
| 626 jniCheck::validate_class(thr, sub, true); | |
| 627 jniCheck::validate_class(thr, sup, true); | |
| 628 ) | |
| 629 jboolean result = UNCHECKED()->IsAssignableFrom(env, sub, sup); | |
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630 functionExit(thr); |
| 0 | 631 return result; |
| 632 JNI_END | |
| 633 | |
| 634 JNI_ENTRY_CHECKED(jobject, | |
| 635 checked_jni_ToReflectedField(JNIEnv *env, | |
| 636 jclass cls, | |
| 637 jfieldID fieldID, | |
| 638 jboolean isStatic)) | |
| 639 functionEnter(thr); | |
| 640 IN_VM( | |
| 641 jniCheck::validate_class(thr, cls, false); | |
| 642 ) | |
| 643 jobject result = UNCHECKED()->ToReflectedField(env, cls, fieldID, | |
| 644 isStatic); | |
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645 functionExit(thr); |
| 0 | 646 return result; |
| 647 JNI_END | |
| 648 | |
| 649 JNI_ENTRY_CHECKED(jint, | |
| 650 checked_jni_Throw(JNIEnv *env, | |
| 651 jthrowable obj)) | |
| 652 functionEnter(thr); | |
| 653 IN_VM( | |
| 654 oop oopObj = jniCheck::validate_object(thr, obj); | |
| 655 if (oopObj == NULL) { | |
| 656 // Unchecked Throw tolerates a NULL obj, so just warn | |
| 657 ReportJNIWarning(thr, "JNI Throw called with NULL throwable"); | |
| 658 } else { | |
| 659 jniCheck::validate_throwable_klass(thr, oopObj->klass()); | |
| 660 } | |
| 661 ) | |
| 662 jint result = UNCHECKED()->Throw(env, obj); | |
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663 functionExit(thr); |
| 0 | 664 return result; |
| 665 JNI_END | |
| 666 | |
| 667 JNI_ENTRY_CHECKED(jint, | |
| 668 checked_jni_ThrowNew(JNIEnv *env, | |
| 669 jclass clazz, | |
| 670 const char *msg)) | |
| 671 functionEnter(thr); | |
| 672 IN_VM( | |
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673 Klass* k = jniCheck::validate_class(thr, clazz, false); |
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674 assert(k != NULL, "validate_class shouldn't return NULL Klass*"); |
| 0 | 675 jniCheck::validate_throwable_klass(thr, k); |
| 676 ) | |
| 677 jint result = UNCHECKED()->ThrowNew(env, clazz, msg); | |
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678 functionExit(thr); |
| 0 | 679 return result; |
| 680 JNI_END | |
| 681 | |
| 682 JNI_ENTRY_CHECKED(jthrowable, | |
| 683 checked_jni_ExceptionOccurred(JNIEnv *env)) | |
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684 thr->clear_pending_jni_exception_check(); |
| 0 | 685 functionEnterExceptionAllowed(thr); |
| 686 jthrowable result = UNCHECKED()->ExceptionOccurred(env); | |
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687 functionExit(thr); |
| 0 | 688 return result; |
| 689 JNI_END | |
| 690 | |
| 691 JNI_ENTRY_CHECKED(void, | |
| 692 checked_jni_ExceptionDescribe(JNIEnv *env)) | |
| 693 functionEnterExceptionAllowed(thr); | |
| 694 UNCHECKED()->ExceptionDescribe(env); | |
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695 functionExit(thr); |
| 0 | 696 JNI_END |
| 697 | |
| 698 JNI_ENTRY_CHECKED(void, | |
| 699 checked_jni_ExceptionClear(JNIEnv *env)) | |
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700 thr->clear_pending_jni_exception_check(); |
| 0 | 701 functionEnterExceptionAllowed(thr); |
| 702 UNCHECKED()->ExceptionClear(env); | |
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703 functionExit(thr); |
| 0 | 704 JNI_END |
| 705 | |
| 706 JNI_ENTRY_CHECKED(void, | |
| 707 checked_jni_FatalError(JNIEnv *env, | |
| 708 const char *msg)) | |
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709 thr->clear_pending_jni_exception_check(); |
| 0 | 710 functionEnter(thr); |
| 711 UNCHECKED()->FatalError(env, msg); | |
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712 functionExit(thr); |
| 0 | 713 JNI_END |
| 714 | |
| 715 JNI_ENTRY_CHECKED(jint, | |
| 716 checked_jni_PushLocalFrame(JNIEnv *env, | |
| 717 jint capacity)) | |
| 718 functionEnterExceptionAllowed(thr); | |
| 719 if (capacity < 0) | |
| 720 NativeReportJNIFatalError(thr, "negative capacity"); | |
| 721 jint result = UNCHECKED()->PushLocalFrame(env, capacity); | |
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722 if (result == JNI_OK) { |
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723 thr->active_handles()->set_planned_capacity(capacity + CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD); |
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724 } |
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725 functionExit(thr); |
| 0 | 726 return result; |
| 727 JNI_END | |
| 728 | |
| 729 JNI_ENTRY_CHECKED(jobject, | |
| 730 checked_jni_PopLocalFrame(JNIEnv *env, | |
| 731 jobject result)) | |
| 732 functionEnterExceptionAllowed(thr); | |
| 733 jobject res = UNCHECKED()->PopLocalFrame(env, result); | |
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734 functionExit(thr); |
| 0 | 735 return res; |
| 736 JNI_END | |
| 737 | |
| 738 JNI_ENTRY_CHECKED(jobject, | |
| 739 checked_jni_NewGlobalRef(JNIEnv *env, | |
| 740 jobject lobj)) | |
| 741 functionEnter(thr); | |
| 742 IN_VM( | |
| 743 if (lobj != NULL) { | |
| 744 jniCheck::validate_handle(thr, lobj); | |
| 745 } | |
| 746 ) | |
| 747 jobject result = UNCHECKED()->NewGlobalRef(env,lobj); | |
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748 functionExit(thr); |
| 0 | 749 return result; |
| 750 JNI_END | |
| 751 | |
| 752 JNI_ENTRY_CHECKED(void, | |
| 753 checked_jni_DeleteGlobalRef(JNIEnv *env, | |
| 754 jobject gref)) | |
| 755 functionEnterExceptionAllowed(thr); | |
| 756 IN_VM( | |
| 757 jniCheck::validate_object(thr, gref); | |
| 758 if (gref && !JNIHandles::is_global_handle(gref)) { | |
| 759 ReportJNIFatalError(thr, | |
| 760 "Invalid global JNI handle passed to DeleteGlobalRef"); | |
| 761 } | |
| 762 ) | |
| 763 UNCHECKED()->DeleteGlobalRef(env,gref); | |
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764 functionExit(thr); |
| 0 | 765 JNI_END |
| 766 | |
| 767 JNI_ENTRY_CHECKED(void, | |
| 768 checked_jni_DeleteLocalRef(JNIEnv *env, | |
| 769 jobject obj)) | |
| 770 functionEnterExceptionAllowed(thr); | |
| 771 IN_VM( | |
| 772 jniCheck::validate_object(thr, obj); | |
| 773 if (obj && !(JNIHandles::is_local_handle(thr, obj) || | |
| 774 JNIHandles::is_frame_handle(thr, obj))) | |
| 775 ReportJNIFatalError(thr, | |
| 776 "Invalid local JNI handle passed to DeleteLocalRef"); | |
| 777 ) | |
| 778 UNCHECKED()->DeleteLocalRef(env, obj); | |
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779 functionExit(thr); |
| 0 | 780 JNI_END |
| 781 | |
| 782 JNI_ENTRY_CHECKED(jboolean, | |
| 783 checked_jni_IsSameObject(JNIEnv *env, | |
| 784 jobject obj1, | |
| 785 jobject obj2)) | |
| 786 functionEnterExceptionAllowed(thr); | |
| 787 IN_VM( | |
| 788 /* This JNI function can be used to compare weak global references | |
| 789 * to NULL objects. If the handles are valid, but contain NULL, | |
| 790 * then don't attempt to validate the object. | |
| 791 */ | |
| 792 if (obj1 != NULL && jniCheck::validate_handle(thr, obj1) != NULL) { | |
| 793 jniCheck::validate_object(thr, obj1); | |
| 794 } | |
| 795 if (obj2 != NULL && jniCheck::validate_handle(thr, obj2) != NULL) { | |
| 796 jniCheck::validate_object(thr, obj2); | |
| 797 } | |
| 798 ) | |
| 799 jboolean result = UNCHECKED()->IsSameObject(env,obj1,obj2); | |
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800 functionExit(thr); |
| 0 | 801 return result; |
| 802 JNI_END | |
| 803 | |
| 804 JNI_ENTRY_CHECKED(jobject, | |
| 805 checked_jni_NewLocalRef(JNIEnv *env, | |
| 806 jobject ref)) | |
| 807 functionEnter(thr); | |
| 808 IN_VM( | |
| 809 if (ref != NULL) { | |
| 810 jniCheck::validate_handle(thr, ref); | |
| 811 } | |
| 812 ) | |
| 813 jobject result = UNCHECKED()->NewLocalRef(env, ref); | |
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814 functionExit(thr); |
| 0 | 815 return result; |
| 816 JNI_END | |
| 817 | |
| 818 JNI_ENTRY_CHECKED(jint, | |
| 819 checked_jni_EnsureLocalCapacity(JNIEnv *env, | |
| 820 jint capacity)) | |
| 821 functionEnter(thr); | |
| 822 if (capacity < 0) { | |
| 823 NativeReportJNIFatalError(thr, "negative capacity"); | |
| 824 } | |
| 825 jint result = UNCHECKED()->EnsureLocalCapacity(env, capacity); | |
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826 if (result == JNI_OK) { |
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827 thr->active_handles()->set_planned_capacity(capacity + CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD); |
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828 } |
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829 functionExit(thr); |
| 0 | 830 return result; |
| 831 JNI_END | |
| 832 | |
| 833 JNI_ENTRY_CHECKED(jobject, | |
| 834 checked_jni_AllocObject(JNIEnv *env, | |
| 835 jclass clazz)) | |
| 836 functionEnter(thr); | |
| 837 IN_VM( | |
| 838 jniCheck::validate_class(thr, clazz, false); | |
| 839 ) | |
| 840 jobject result = UNCHECKED()->AllocObject(env,clazz); | |
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841 functionExit(thr); |
| 0 | 842 return result; |
| 843 JNI_END | |
| 844 | |
| 845 JNI_ENTRY_CHECKED(jobject, | |
| 846 checked_jni_NewObject(JNIEnv *env, | |
| 847 jclass clazz, | |
| 848 jmethodID methodID, | |
| 849 ...)) | |
| 850 functionEnter(thr); | |
| 851 va_list args; | |
| 852 IN_VM( | |
| 853 jniCheck::validate_class(thr, clazz, false); | |
| 854 jniCheck::validate_jmethod_id(thr, methodID); | |
| 855 ) | |
| 856 va_start(args, methodID); | |
| 857 jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args); | |
| 858 va_end(args); | |
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859 functionExit(thr); |
| 0 | 860 return result; |
| 861 JNI_END | |
| 862 | |
| 863 JNI_ENTRY_CHECKED(jobject, | |
| 864 checked_jni_NewObjectV(JNIEnv *env, | |
| 865 jclass clazz, | |
| 866 jmethodID methodID, | |
| 867 va_list args)) | |
| 868 functionEnter(thr); | |
| 869 IN_VM( | |
| 870 jniCheck::validate_class(thr, clazz, false); | |
| 871 jniCheck::validate_jmethod_id(thr, methodID); | |
| 872 ) | |
| 873 jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args); | |
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874 functionExit(thr); |
| 0 | 875 return result; |
| 876 JNI_END | |
| 877 | |
| 878 JNI_ENTRY_CHECKED(jobject, | |
| 879 checked_jni_NewObjectA(JNIEnv *env, | |
| 880 jclass clazz, | |
| 881 jmethodID methodID, | |
| 882 const jvalue *args)) | |
| 883 functionEnter(thr); | |
| 884 IN_VM( | |
| 885 jniCheck::validate_class(thr, clazz, false); | |
| 886 jniCheck::validate_jmethod_id(thr, methodID); | |
| 887 ) | |
| 888 jobject result = UNCHECKED()->NewObjectA(env,clazz,methodID,args); | |
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889 functionExit(thr); |
| 0 | 890 return result; |
| 891 JNI_END | |
| 892 | |
| 893 JNI_ENTRY_CHECKED(jclass, | |
| 894 checked_jni_GetObjectClass(JNIEnv *env, | |
| 895 jobject obj)) | |
| 896 functionEnter(thr); | |
| 897 IN_VM( | |
| 898 jniCheck::validate_object(thr, obj); | |
| 899 ) | |
| 900 jclass result = UNCHECKED()->GetObjectClass(env,obj); | |
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901 functionExit(thr); |
| 0 | 902 return result; |
| 903 JNI_END | |
| 904 | |
| 905 JNI_ENTRY_CHECKED(jboolean, | |
| 906 checked_jni_IsInstanceOf(JNIEnv *env, | |
| 907 jobject obj, | |
| 908 jclass clazz)) | |
| 909 functionEnter(thr); | |
| 910 IN_VM( | |
| 911 jniCheck::validate_object(thr, obj); | |
| 912 jniCheck::validate_class(thr, clazz, true); | |
| 913 ) | |
| 914 jboolean result = UNCHECKED()->IsInstanceOf(env,obj,clazz); | |
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915 functionExit(thr); |
| 0 | 916 return result; |
| 917 JNI_END | |
| 918 | |
| 919 JNI_ENTRY_CHECKED(jmethodID, | |
| 920 checked_jni_GetMethodID(JNIEnv *env, | |
| 921 jclass clazz, | |
| 922 const char *name, | |
| 923 const char *sig)) | |
| 924 functionEnter(thr); | |
| 925 IN_VM( | |
| 926 jniCheck::validate_class(thr, clazz, false); | |
| 927 ) | |
| 928 jmethodID result = UNCHECKED()->GetMethodID(env,clazz,name,sig); | |
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929 functionExit(thr); |
| 0 | 930 return result; |
| 931 JNI_END | |
| 932 | |
| 933 #define WRAPPER_CallMethod(ResultType, Result) \ | |
| 934 JNI_ENTRY_CHECKED(ResultType, \ | |
| 935 checked_jni_Call##Result##Method(JNIEnv *env, \ | |
| 936 jobject obj, \ | |
| 937 jmethodID methodID, \ | |
| 938 ...)) \ | |
| 939 functionEnter(thr); \ | |
| 940 va_list args; \ | |
| 941 IN_VM( \ | |
| 942 jniCheck::validate_call_object(thr, obj, methodID); \ | |
| 943 ) \ | |
| 944 va_start(args,methodID); \ | |
| 945 ResultType result =UNCHECKED()->Call##Result##MethodV(env, obj, methodID, \ | |
| 946 args); \ | |
| 947 va_end(args); \ | |
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948 thr->set_pending_jni_exception_check("Call"#Result"Method"); \ |
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949 functionExit(thr); \ |
| 0 | 950 return result; \ |
| 951 JNI_END \ | |
| 952 \ | |
| 953 JNI_ENTRY_CHECKED(ResultType, \ | |
| 954 checked_jni_Call##Result##MethodV(JNIEnv *env, \ | |
| 955 jobject obj, \ | |
| 956 jmethodID methodID, \ | |
| 957 va_list args)) \ | |
| 958 functionEnter(thr); \ | |
| 959 IN_VM(\ | |
| 960 jniCheck::validate_call_object(thr, obj, methodID); \ | |
| 961 ) \ | |
| 962 ResultType result = UNCHECKED()->Call##Result##MethodV(env, obj, methodID,\ | |
| 963 args); \ | |
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964 thr->set_pending_jni_exception_check("Call"#Result"MethodV"); \ |
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965 functionExit(thr); \ |
| 0 | 966 return result; \ |
| 967 JNI_END \ | |
| 968 \ | |
| 969 JNI_ENTRY_CHECKED(ResultType, \ | |
| 970 checked_jni_Call##Result##MethodA(JNIEnv *env, \ | |
| 971 jobject obj, \ | |
| 972 jmethodID methodID, \ | |
| 973 const jvalue * args)) \ | |
| 974 functionEnter(thr); \ | |
| 975 IN_VM( \ | |
| 976 jniCheck::validate_call_object(thr, obj, methodID); \ | |
| 977 ) \ | |
| 978 ResultType result = UNCHECKED()->Call##Result##MethodA(env, obj, methodID,\ | |
| 979 args); \ | |
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980 thr->set_pending_jni_exception_check("Call"#Result"MethodA"); \ |
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981 functionExit(thr); \ |
| 0 | 982 return result; \ |
| 983 JNI_END | |
| 984 | |
| 985 WRAPPER_CallMethod(jobject,Object) | |
| 986 WRAPPER_CallMethod(jboolean,Boolean) | |
| 987 WRAPPER_CallMethod(jbyte,Byte) | |
| 988 WRAPPER_CallMethod(jshort,Short) | |
| 989 WRAPPER_CallMethod(jchar,Char) | |
| 990 WRAPPER_CallMethod(jint,Int) | |
| 991 WRAPPER_CallMethod(jlong,Long) | |
| 992 WRAPPER_CallMethod(jfloat,Float) | |
| 993 WRAPPER_CallMethod(jdouble,Double) | |
| 994 | |
| 995 JNI_ENTRY_CHECKED(void, | |
| 996 checked_jni_CallVoidMethod(JNIEnv *env, \ | |
| 997 jobject obj, \ | |
| 998 jmethodID methodID, \ | |
| 999 ...)) | |
| 1000 functionEnter(thr); | |
| 1001 va_list args; | |
| 1002 IN_VM( | |
| 1003 jniCheck::validate_call_object(thr, obj, methodID); | |
| 1004 ) | |
| 1005 va_start(args,methodID); | |
| 1006 UNCHECKED()->CallVoidMethodV(env,obj,methodID,args); | |
| 1007 va_end(args); | |
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1008 thr->set_pending_jni_exception_check("CallVoidMethod"); |
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1009 functionExit(thr); |
| 0 | 1010 JNI_END |
| 1011 | |
| 1012 JNI_ENTRY_CHECKED(void, | |
| 1013 checked_jni_CallVoidMethodV(JNIEnv *env, | |
| 1014 jobject obj, | |
| 1015 jmethodID methodID, | |
| 1016 va_list args)) | |
| 1017 functionEnter(thr); | |
| 1018 IN_VM( | |
| 1019 jniCheck::validate_call_object(thr, obj, methodID); | |
| 1020 ) | |
| 1021 UNCHECKED()->CallVoidMethodV(env,obj,methodID,args); | |
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1022 thr->set_pending_jni_exception_check("CallVoidMethodV"); |
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1023 functionExit(thr); |
| 0 | 1024 JNI_END |
| 1025 | |
| 1026 JNI_ENTRY_CHECKED(void, | |
| 1027 checked_jni_CallVoidMethodA(JNIEnv *env, | |
| 1028 jobject obj, | |
| 1029 jmethodID methodID, | |
| 1030 const jvalue * args)) | |
| 1031 functionEnter(thr); | |
| 1032 IN_VM( | |
| 1033 jniCheck::validate_call_object(thr, obj, methodID); | |
| 1034 ) | |
| 1035 UNCHECKED()->CallVoidMethodA(env,obj,methodID,args); | |
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1036 thr->set_pending_jni_exception_check("CallVoidMethodA"); |
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1037 functionExit(thr); |
| 0 | 1038 JNI_END |
| 1039 | |
| 1040 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \ | |
| 1041 JNI_ENTRY_CHECKED(ResultType, \ | |
| 1042 checked_jni_CallNonvirtual##Result##Method(JNIEnv *env, \ | |
| 1043 jobject obj, \ | |
| 1044 jclass clazz, \ | |
| 1045 jmethodID methodID, \ | |
| 1046 ...)) \ | |
| 1047 functionEnter(thr); \ | |
| 1048 va_list args; \ | |
| 1049 IN_VM( \ | |
| 1050 jniCheck::validate_call_object(thr, obj, methodID); \ | |
| 1051 jniCheck::validate_call_class(thr, clazz, methodID); \ | |
| 1052 ) \ | |
| 1053 va_start(args,methodID); \ | |
| 1054 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \ | |
| 1055 obj, \ | |
| 1056 clazz, \ | |
| 1057 methodID,\ | |
| 1058 args); \ | |
| 1059 va_end(args); \ | |
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1060 thr->set_pending_jni_exception_check("CallNonvirtual"#Result"Method"); \ |
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1061 functionExit(thr); \ |
| 0 | 1062 return result; \ |
| 1063 JNI_END \ | |
| 1064 \ | |
| 1065 JNI_ENTRY_CHECKED(ResultType, \ | |
| 1066 checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \ | |
| 1067 jobject obj, \ | |
| 1068 jclass clazz, \ | |
| 1069 jmethodID methodID, \ | |
| 1070 va_list args)) \ | |
| 1071 functionEnter(thr); \ | |
| 1072 IN_VM( \ | |
| 1073 jniCheck::validate_call_object(thr, obj, methodID); \ | |
| 1074 jniCheck::validate_call_class(thr, clazz, methodID); \ | |
| 1075 ) \ | |
| 1076 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \ | |
| 1077 obj, \ | |
| 1078 clazz, \ | |
| 1079 methodID,\ | |
| 1080 args); \ | |
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1081 thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodV"); \ |
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1082 functionExit(thr); \ |
| 0 | 1083 return result; \ |
| 1084 JNI_END \ | |
| 1085 \ | |
| 1086 JNI_ENTRY_CHECKED(ResultType, \ | |
| 1087 checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \ | |
| 1088 jobject obj, \ | |
| 1089 jclass clazz, \ | |
| 1090 jmethodID methodID, \ | |
| 1091 const jvalue * args)) \ | |
| 1092 functionEnter(thr); \ | |
| 1093 IN_VM( \ | |
| 1094 jniCheck::validate_call_object(thr, obj, methodID); \ | |
| 1095 jniCheck::validate_call_class(thr, clazz, methodID); \ | |
| 1096 ) \ | |
| 1097 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodA(env, \ | |
| 1098 obj, \ | |
| 1099 clazz, \ | |
| 1100 methodID,\ | |
| 1101 args); \ | |
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1102 thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodA"); \ |
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1103 functionExit(thr); \ |
| 0 | 1104 return result; \ |
| 1105 JNI_END | |
| 1106 | |
| 1107 WRAPPER_CallNonvirtualMethod(jobject,Object) | |
| 1108 WRAPPER_CallNonvirtualMethod(jboolean,Boolean) | |
| 1109 WRAPPER_CallNonvirtualMethod(jbyte,Byte) | |
| 1110 WRAPPER_CallNonvirtualMethod(jshort,Short) | |
| 1111 WRAPPER_CallNonvirtualMethod(jchar,Char) | |
| 1112 WRAPPER_CallNonvirtualMethod(jint,Int) | |
| 1113 WRAPPER_CallNonvirtualMethod(jlong,Long) | |
| 1114 WRAPPER_CallNonvirtualMethod(jfloat,Float) | |
| 1115 WRAPPER_CallNonvirtualMethod(jdouble,Double) | |
| 1116 | |
| 1117 JNI_ENTRY_CHECKED(void, | |
| 1118 checked_jni_CallNonvirtualVoidMethod(JNIEnv *env, | |
| 1119 jobject obj, | |
| 1120 jclass clazz, | |
| 1121 jmethodID methodID, | |
| 1122 ...)) | |
| 1123 functionEnter(thr); | |
| 1124 va_list args; | |
| 1125 IN_VM( | |
| 1126 jniCheck::validate_call_object(thr, obj, methodID); | |
| 1127 jniCheck::validate_call_class(thr, clazz, methodID); | |
| 1128 ) | |
| 1129 va_start(args,methodID); | |
| 1130 UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args); | |
| 1131 va_end(args); | |
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1132 thr->set_pending_jni_exception_check("CallNonvirtualVoidMethod"); |
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1133 functionExit(thr); |
| 0 | 1134 JNI_END |
| 1135 | |
| 1136 JNI_ENTRY_CHECKED(void, | |
| 1137 checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env, | |
| 1138 jobject obj, | |
| 1139 jclass clazz, | |
| 1140 jmethodID methodID, | |
| 1141 va_list args)) | |
| 1142 functionEnter(thr); | |
| 1143 IN_VM( | |
| 1144 jniCheck::validate_call_object(thr, obj, methodID); | |
| 1145 jniCheck::validate_call_class(thr, clazz, methodID); | |
| 1146 ) | |
| 1147 UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args); | |
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1148 thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodV"); |
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1149 functionExit(thr); |
| 0 | 1150 JNI_END |
| 1151 | |
| 1152 JNI_ENTRY_CHECKED(void, | |
| 1153 checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env, | |
| 1154 jobject obj, | |
| 1155 jclass clazz, | |
| 1156 jmethodID methodID, | |
| 1157 const jvalue * args)) | |
| 1158 functionEnter(thr); | |
| 1159 IN_VM( | |
| 1160 jniCheck::validate_call_object(thr, obj, methodID); | |
| 1161 jniCheck::validate_call_class(thr, clazz, methodID); | |
| 1162 ) | |
| 1163 UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args); | |
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1164 thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodA"); |
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1165 functionExit(thr); |
| 0 | 1166 JNI_END |
| 1167 | |
| 1168 JNI_ENTRY_CHECKED(jfieldID, | |
| 1169 checked_jni_GetFieldID(JNIEnv *env, | |
| 1170 jclass clazz, | |
| 1171 const char *name, | |
| 1172 const char *sig)) | |
| 1173 functionEnter(thr); | |
| 1174 IN_VM( | |
| 1175 jniCheck::validate_class(thr, clazz, false); | |
| 1176 ) | |
| 1177 jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig); | |
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1178 functionExit(thr); |
| 0 | 1179 return result; |
| 1180 JNI_END | |
| 1181 | |
| 1182 #define WRAPPER_GetField(ReturnType,Result,FieldType) \ | |
| 1183 JNI_ENTRY_CHECKED(ReturnType, \ | |
| 1184 checked_jni_Get##Result##Field(JNIEnv *env, \ | |
| 1185 jobject obj, \ | |
| 1186 jfieldID fieldID)) \ | |
| 1187 functionEnter(thr); \ | |
| 1188 IN_VM( \ | |
| 1189 checkInstanceFieldID(thr, fieldID, obj, FieldType); \ | |
| 1190 ) \ | |
| 1191 ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \ | |
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1192 functionExit(thr); \ |
| 0 | 1193 return result; \ |
| 1194 JNI_END | |
| 1195 | |
| 1196 WRAPPER_GetField(jobject, Object, T_OBJECT) | |
| 1197 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN) | |
| 1198 WRAPPER_GetField(jbyte, Byte, T_BYTE) | |
| 1199 WRAPPER_GetField(jshort, Short, T_SHORT) | |
| 1200 WRAPPER_GetField(jchar, Char, T_CHAR) | |
| 1201 WRAPPER_GetField(jint, Int, T_INT) | |
| 1202 WRAPPER_GetField(jlong, Long, T_LONG) | |
| 1203 WRAPPER_GetField(jfloat, Float, T_FLOAT) | |
| 1204 WRAPPER_GetField(jdouble, Double, T_DOUBLE) | |
| 1205 | |
| 1206 #define WRAPPER_SetField(ValueType,Result,FieldType) \ | |
| 1207 JNI_ENTRY_CHECKED(void, \ | |
| 1208 checked_jni_Set##Result##Field(JNIEnv *env, \ | |
| 1209 jobject obj, \ | |
| 1210 jfieldID fieldID, \ | |
| 1211 ValueType val)) \ | |
| 1212 functionEnter(thr); \ | |
| 1213 IN_VM( \ | |
| 1214 checkInstanceFieldID(thr, fieldID, obj, FieldType); \ | |
| 1215 ) \ | |
| 1216 UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \ | |
|
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1217 functionExit(thr); \ |
| 0 | 1218 JNI_END |
| 1219 | |
| 1220 WRAPPER_SetField(jobject, Object, T_OBJECT) | |
| 1221 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN) | |
| 1222 WRAPPER_SetField(jbyte, Byte, T_BYTE) | |
| 1223 WRAPPER_SetField(jshort, Short, T_SHORT) | |
| 1224 WRAPPER_SetField(jchar, Char, T_CHAR) | |
| 1225 WRAPPER_SetField(jint, Int, T_INT) | |
| 1226 WRAPPER_SetField(jlong, Long, T_LONG) | |
| 1227 WRAPPER_SetField(jfloat, Float, T_FLOAT) | |
| 1228 WRAPPER_SetField(jdouble, Double, T_DOUBLE) | |
| 1229 | |
| 1230 | |
| 1231 JNI_ENTRY_CHECKED(jmethodID, | |
| 1232 checked_jni_GetStaticMethodID(JNIEnv *env, | |
| 1233 jclass clazz, | |
| 1234 const char *name, | |
| 1235 const char *sig)) | |
| 1236 functionEnter(thr); | |
| 1237 IN_VM( | |
| 1238 jniCheck::validate_class(thr, clazz, false); | |
| 1239 ) | |
| 1240 jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig); | |
|
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1241 functionExit(thr); |
| 0 | 1242 return result; |
| 1243 JNI_END | |
| 1244 | |
| 1245 #define WRAPPER_CallStaticMethod(ReturnType,Result) \ | |
| 1246 JNI_ENTRY_CHECKED(ReturnType, \ | |
| 1247 checked_jni_CallStatic##Result##Method(JNIEnv *env, \ | |
| 1248 jclass clazz, \ | |
| 1249 jmethodID methodID, \ | |
| 1250 ...)) \ | |
| 1251 functionEnter(thr); \ | |
| 1252 va_list args; \ | |
| 1253 IN_VM( \ | |
| 1254 jniCheck::validate_jmethod_id(thr, methodID); \ | |
| 1255 jniCheck::validate_class(thr, clazz, false); \ | |
| 1256 ) \ | |
| 1257 va_start(args,methodID); \ | |
| 1258 ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \ | |
| 1259 clazz, \ | |
| 1260 methodID, \ | |
| 1261 args); \ | |
| 1262 va_end(args); \ | |
|
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1263 thr->set_pending_jni_exception_check("CallStatic"#Result"Method"); \ |
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1264 functionExit(thr); \ |
| 0 | 1265 return result; \ |
| 1266 JNI_END \ | |
| 1267 \ | |
| 1268 JNI_ENTRY_CHECKED(ReturnType, \ | |
| 1269 checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \ | |
| 1270 jclass clazz, \ | |
| 1271 jmethodID methodID,\ | |
| 1272 va_list args)) \ | |
| 1273 functionEnter(thr); \ | |
| 1274 IN_VM( \ | |
| 1275 jniCheck::validate_jmethod_id(thr, methodID); \ | |
| 1276 jniCheck::validate_class(thr, clazz, false); \ | |
| 1277 ) \ | |
| 1278 ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \ | |
| 1279 clazz, \ | |
| 1280 methodID, \ | |
| 1281 args); \ | |
|
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1282 thr->set_pending_jni_exception_check("CallStatic"#Result"MethodV"); \ |
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1283 functionExit(thr); \ |
| 0 | 1284 return result; \ |
| 1285 JNI_END \ | |
| 1286 \ | |
| 1287 JNI_ENTRY_CHECKED(ReturnType, \ | |
| 1288 checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \ | |
| 1289 jclass clazz, \ | |
| 1290 jmethodID methodID, \ | |
| 1291 const jvalue *args)) \ | |
| 1292 functionEnter(thr); \ | |
| 1293 IN_VM( \ | |
| 1294 jniCheck::validate_jmethod_id(thr, methodID); \ | |
| 1295 jniCheck::validate_class(thr, clazz, false); \ | |
| 1296 ) \ | |
| 1297 ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \ | |
| 1298 clazz, \ | |
| 1299 methodID, \ | |
| 1300 args); \ | |
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1301 thr->set_pending_jni_exception_check("CallStatic"#Result"MethodA"); \ |
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1302 functionExit(thr); \ |
| 0 | 1303 return result; \ |
| 1304 JNI_END | |
| 1305 | |
| 1306 WRAPPER_CallStaticMethod(jobject,Object) | |
| 1307 WRAPPER_CallStaticMethod(jboolean,Boolean) | |
| 1308 WRAPPER_CallStaticMethod(jbyte,Byte) | |
| 1309 WRAPPER_CallStaticMethod(jshort,Short) | |
| 1310 WRAPPER_CallStaticMethod(jchar,Char) | |
| 1311 WRAPPER_CallStaticMethod(jint,Int) | |
| 1312 WRAPPER_CallStaticMethod(jlong,Long) | |
| 1313 WRAPPER_CallStaticMethod(jfloat,Float) | |
| 1314 WRAPPER_CallStaticMethod(jdouble,Double) | |
| 1315 | |
| 1316 JNI_ENTRY_CHECKED(void, | |
| 1317 checked_jni_CallStaticVoidMethod(JNIEnv *env, | |
| 1318 jclass cls, | |
| 1319 jmethodID methodID, | |
| 1320 ...)) | |
| 1321 functionEnter(thr); | |
| 1322 va_list args; | |
| 1323 IN_VM( | |
| 1324 jniCheck::validate_jmethod_id(thr, methodID); | |
| 1325 jniCheck::validate_class(thr, cls, false); | |
| 1326 ) | |
| 1327 va_start(args,methodID); | |
| 1328 UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args); | |
| 1329 va_end(args); | |
|
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1330 thr->set_pending_jni_exception_check("CallStaticVoidMethod"); |
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1331 functionExit(thr); |
| 0 | 1332 JNI_END |
| 1333 | |
| 1334 JNI_ENTRY_CHECKED(void, | |
| 1335 checked_jni_CallStaticVoidMethodV(JNIEnv *env, | |
| 1336 jclass cls, | |
| 1337 jmethodID methodID, | |
| 1338 va_list args)) | |
| 1339 functionEnter(thr); | |
| 1340 IN_VM( | |
| 1341 jniCheck::validate_jmethod_id(thr, methodID); | |
| 1342 jniCheck::validate_class(thr, cls, false); | |
| 1343 ) | |
| 1344 UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args); | |
|
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1345 thr->set_pending_jni_exception_check("CallStaticVoidMethodV"); |
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1346 functionExit(thr); |
| 0 | 1347 JNI_END |
| 1348 | |
| 1349 JNI_ENTRY_CHECKED(void, | |
| 1350 checked_jni_CallStaticVoidMethodA(JNIEnv *env, | |
| 1351 jclass cls, | |
| 1352 jmethodID methodID, | |
| 1353 const jvalue * args)) | |
| 1354 functionEnter(thr); | |
| 1355 IN_VM( | |
| 1356 jniCheck::validate_jmethod_id(thr, methodID); | |
| 1357 jniCheck::validate_class(thr, cls, false); | |
| 1358 ) | |
| 1359 UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args); | |
|
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1360 thr->set_pending_jni_exception_check("CallStaticVoidMethodA"); |
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1361 functionExit(thr); |
| 0 | 1362 JNI_END |
| 1363 | |
| 1364 JNI_ENTRY_CHECKED(jfieldID, | |
| 1365 checked_jni_GetStaticFieldID(JNIEnv *env, | |
| 1366 jclass clazz, | |
| 1367 const char *name, | |
| 1368 const char *sig)) | |
| 1369 functionEnter(thr); | |
| 1370 IN_VM( | |
| 1371 jniCheck::validate_class(thr, clazz, false); | |
| 1372 ) | |
| 1373 jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig); | |
|
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1374 functionExit(thr); |
| 0 | 1375 return result; |
| 1376 JNI_END | |
| 1377 | |
| 1378 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \ | |
| 1379 JNI_ENTRY_CHECKED(ReturnType, \ | |
| 1380 checked_jni_GetStatic##Result##Field(JNIEnv *env, \ | |
| 1381 jclass clazz, \ | |
| 1382 jfieldID fieldID)) \ | |
| 1383 functionEnter(thr); \ | |
| 1384 IN_VM( \ | |
| 1385 jniCheck::validate_class(thr, clazz, false); \ | |
| 1386 checkStaticFieldID(thr, fieldID, clazz, FieldType); \ | |
| 1387 ) \ | |
| 1388 ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \ | |
| 1389 clazz, \ | |
| 1390 fieldID); \ | |
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1391 functionExit(thr); \ |
| 0 | 1392 return result; \ |
| 1393 JNI_END | |
| 1394 | |
| 1395 WRAPPER_GetStaticField(jobject, Object, T_OBJECT) | |
| 1396 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN) | |
| 1397 WRAPPER_GetStaticField(jbyte, Byte, T_BYTE) | |
| 1398 WRAPPER_GetStaticField(jshort, Short, T_SHORT) | |
| 1399 WRAPPER_GetStaticField(jchar, Char, T_CHAR) | |
| 1400 WRAPPER_GetStaticField(jint, Int, T_INT) | |
| 1401 WRAPPER_GetStaticField(jlong, Long, T_LONG) | |
| 1402 WRAPPER_GetStaticField(jfloat, Float, T_FLOAT) | |
| 1403 WRAPPER_GetStaticField(jdouble, Double, T_DOUBLE) | |
| 1404 | |
| 1405 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \ | |
| 1406 JNI_ENTRY_CHECKED(void, \ | |
| 1407 checked_jni_SetStatic##Result##Field(JNIEnv *env, \ | |
| 1408 jclass clazz, \ | |
| 1409 jfieldID fieldID, \ | |
| 1410 ValueType value)) \ | |
| 1411 functionEnter(thr); \ | |
| 1412 IN_VM( \ | |
| 1413 jniCheck::validate_class(thr, clazz, false); \ | |
| 1414 checkStaticFieldID(thr, fieldID, clazz, FieldType); \ | |
| 1415 ) \ | |
| 1416 UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \ | |
|
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1417 functionExit(thr); \ |
| 0 | 1418 JNI_END |
| 1419 | |
| 1420 WRAPPER_SetStaticField(jobject, Object, T_OBJECT) | |
| 1421 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN) | |
| 1422 WRAPPER_SetStaticField(jbyte, Byte, T_BYTE) | |
| 1423 WRAPPER_SetStaticField(jshort, Short, T_SHORT) | |
| 1424 WRAPPER_SetStaticField(jchar, Char, T_CHAR) | |
| 1425 WRAPPER_SetStaticField(jint, Int, T_INT) | |
| 1426 WRAPPER_SetStaticField(jlong, Long, T_LONG) | |
| 1427 WRAPPER_SetStaticField(jfloat, Float, T_FLOAT) | |
| 1428 WRAPPER_SetStaticField(jdouble, Double, T_DOUBLE) | |
| 1429 | |
| 1430 | |
| 1431 JNI_ENTRY_CHECKED(jstring, | |
| 1432 checked_jni_NewString(JNIEnv *env, | |
| 1433 const jchar *unicode, | |
| 1434 jsize len)) | |
| 1435 functionEnter(thr); | |
| 1436 jstring result = UNCHECKED()->NewString(env,unicode,len); | |
|
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1437 functionExit(thr); |
| 0 | 1438 return result; |
| 1439 JNI_END | |
| 1440 | |
| 1441 JNI_ENTRY_CHECKED(jsize, | |
| 1442 checked_jni_GetStringLength(JNIEnv *env, | |
| 1443 jstring str)) | |
| 1444 functionEnter(thr); | |
| 1445 IN_VM( | |
| 1446 checkString(thr, str); | |
| 1447 ) | |
| 1448 jsize result = UNCHECKED()->GetStringLength(env,str); | |
|
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1449 functionExit(thr); |
| 0 | 1450 return result; |
| 1451 JNI_END | |
| 1452 | |
|
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|
1453 // Arbitrary (but well-known) tag |
|
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1454 const void* STRING_TAG = (void*)0x47114711; |
|
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1455 |
| 0 | 1456 JNI_ENTRY_CHECKED(const jchar *, |
| 1457 checked_jni_GetStringChars(JNIEnv *env, | |
| 1458 jstring str, | |
| 1459 jboolean *isCopy)) | |
| 1460 functionEnter(thr); | |
| 1461 IN_VM( | |
| 1462 checkString(thr, str); | |
| 1463 ) | |
|
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1464 jchar* new_result = NULL; |
| 0 | 1465 const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy); |
|
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1466 assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected"); |
|
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1467 if (result != NULL) { |
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1468 size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination |
|
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1469 len *= sizeof(jchar); |
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1470 new_result = (jchar*) GuardedMemory::wrap_copy(result, len, STRING_TAG); |
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1471 if (new_result == NULL) { |
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1472 vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringChars"); |
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1473 } |
|
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1474 // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes |
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1475 // Note that the dtrace arguments for the allocated memory will not match up with this solution. |
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1476 FreeHeap((char*)result); |
|
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1477 } |
|
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1478 functionExit(thr); |
|
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1479 return new_result; |
| 0 | 1480 JNI_END |
| 1481 | |
| 1482 JNI_ENTRY_CHECKED(void, | |
| 1483 checked_jni_ReleaseStringChars(JNIEnv *env, | |
| 1484 jstring str, | |
| 1485 const jchar *chars)) | |
| 1486 functionEnterExceptionAllowed(thr); | |
| 1487 IN_VM( | |
| 1488 checkString(thr, str); | |
| 1489 ) | |
|
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|
1490 if (chars == NULL) { |
|
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|
1491 // still do the unchecked call to allow dtrace probes |
|
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|
1492 UNCHECKED()->ReleaseStringChars(env,str,chars); |
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|
1493 } |
|
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|
1494 else { |
|
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|
1495 GuardedMemory guarded((void*)chars); |
|
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1496 if (!guarded.verify_guards()) { |
|
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1497 tty->print_cr("ReleaseStringChars: release chars failed bounds check. " |
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1498 "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars)); |
|
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1499 guarded.print_on(tty); |
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1500 NativeReportJNIFatalError(thr, "ReleaseStringChars: " |
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1501 "release chars failed bounds check."); |
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1502 } |
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1503 if (guarded.get_tag() != STRING_TAG) { |
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1504 tty->print_cr("ReleaseStringChars: called on something not allocated " |
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|
1505 "by GetStringChars. string: " PTR_FORMAT " chars: " PTR_FORMAT, |
|
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|
1506 p2i(str), p2i(chars)); |
|
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|
1507 NativeReportJNIFatalError(thr, "ReleaseStringChars called on something " |
|
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|
1508 "not allocated by GetStringChars"); |
|
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|
1509 } |
|
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6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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|
1510 UNCHECKED()->ReleaseStringChars(env, str, |
|
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6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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|
1511 (const jchar*) guarded.release_for_freeing()); |
|
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diff
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|
1512 } |
|
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|
1513 functionExit(thr); |
| 0 | 1514 JNI_END |
| 1515 | |
| 1516 JNI_ENTRY_CHECKED(jstring, | |
| 1517 checked_jni_NewStringUTF(JNIEnv *env, | |
| 1518 const char *utf)) | |
| 1519 functionEnter(thr); | |
| 1520 jstring result = UNCHECKED()->NewStringUTF(env,utf); | |
|
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|
1521 functionExit(thr); |
| 0 | 1522 return result; |
| 1523 JNI_END | |
| 1524 | |
| 1525 JNI_ENTRY_CHECKED(jsize, | |
| 1526 checked_jni_GetStringUTFLength(JNIEnv *env, | |
| 1527 jstring str)) | |
| 1528 functionEnter(thr); | |
| 1529 IN_VM( | |
| 1530 checkString(thr, str); | |
| 1531 ) | |
| 1532 jsize result = UNCHECKED()->GetStringUTFLength(env,str); | |
|
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|
1533 functionExit(thr); |
| 0 | 1534 return result; |
| 1535 JNI_END | |
| 1536 | |
|
1989
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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diff
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|
1537 // Arbitrary (but well-known) tag - different than GetStringChars |
|
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|
1538 const void* STRING_UTF_TAG = (void*) 0x48124812; |
|
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diff
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|
1539 |
| 0 | 1540 JNI_ENTRY_CHECKED(const char *, |
| 1541 checked_jni_GetStringUTFChars(JNIEnv *env, | |
| 1542 jstring str, | |
| 1543 jboolean *isCopy)) | |
| 1544 functionEnter(thr); | |
| 1545 IN_VM( | |
| 1546 checkString(thr, str); | |
| 1547 ) | |
|
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|
1548 char* new_result = NULL; |
| 0 | 1549 const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy); |
|
1989
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diff
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|
1550 assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected"); |
|
12819
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|
1551 if (result != NULL) { |
|
f9be370a7d54
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|
1552 size_t len = strlen(result) + 1; // + 1 for NULL termination |
|
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|
1553 new_result = (char*) GuardedMemory::wrap_copy(result, len, STRING_UTF_TAG); |
|
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|
1554 if (new_result == NULL) { |
|
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|
1555 vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringUTFChars"); |
|
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|
1556 } |
|
12819
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|
1557 // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes |
|
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|
1558 // Note that the dtrace arguments for the allocated memory will not match up with this solution. |
|
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|
1559 FreeHeap((char*)result, mtInternal); |
|
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|
1560 } |
|
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|
1561 functionExit(thr); |
|
20318
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|
1562 return new_result; |
| 0 | 1563 JNI_END |
| 1564 | |
| 1565 JNI_ENTRY_CHECKED(void, | |
| 1566 checked_jni_ReleaseStringUTFChars(JNIEnv *env, | |
| 1567 jstring str, | |
| 1568 const char* chars)) | |
| 1569 functionEnterExceptionAllowed(thr); | |
| 1570 IN_VM( | |
| 1571 checkString(thr, str); | |
| 1572 ) | |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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diff
changeset
|
1573 if (chars == NULL) { |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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diff
changeset
|
1574 // still do the unchecked call to allow dtrace probes |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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diff
changeset
|
1575 UNCHECKED()->ReleaseStringUTFChars(env,str,chars); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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diff
changeset
|
1576 } |
|
017cd8bce8a8
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diff
changeset
|
1577 else { |
|
20318
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|
1578 GuardedMemory guarded((void*)chars); |
|
20319
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|
1579 if (!guarded.verify_guards()) { |
|
20318
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|
1580 tty->print_cr("ReleaseStringUTFChars: release chars failed bounds check. " |
|
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|
1581 "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars)); |
|
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|
1582 guarded.print_on(tty); |
|
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|
1583 NativeReportJNIFatalError(thr, "ReleaseStringUTFChars: " |
|
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|
1584 "release chars failed bounds check."); |
|
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|
1585 } |
|
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changeset
|
1586 if (guarded.get_tag() != STRING_UTF_TAG) { |
|
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changeset
|
1587 tty->print_cr("ReleaseStringUTFChars: called on something not " |
|
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6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1588 "allocated by GetStringUTFChars. string: " PTR_FORMAT " chars: " |
|
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6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1589 PTR_FORMAT, p2i(str), p2i(chars)); |
|
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changeset
|
1590 NativeReportJNIFatalError(thr, "ReleaseStringUTFChars " |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1591 "called on something not allocated by GetStringUTFChars"); |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1592 } |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1593 UNCHECKED()->ReleaseStringUTFChars(env, str, |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1594 (const char*) guarded.release_for_freeing()); |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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parents:
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diff
changeset
|
1595 } |
|
22877
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changeset
|
1596 functionExit(thr); |
| 0 | 1597 JNI_END |
| 1598 | |
| 1599 JNI_ENTRY_CHECKED(jsize, | |
| 1600 checked_jni_GetArrayLength(JNIEnv *env, | |
| 1601 jarray array)) | |
| 1602 functionEnter(thr); | |
| 1603 IN_VM( | |
|
11145
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mgerdin
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diff
changeset
|
1604 check_is_array(thr, array); |
| 0 | 1605 ) |
| 1606 jsize result = UNCHECKED()->GetArrayLength(env,array); | |
|
22877
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changeset
|
1607 functionExit(thr); |
| 0 | 1608 return result; |
| 1609 JNI_END | |
| 1610 | |
| 1611 JNI_ENTRY_CHECKED(jobjectArray, | |
| 1612 checked_jni_NewObjectArray(JNIEnv *env, | |
| 1613 jsize len, | |
| 1614 jclass clazz, | |
| 1615 jobject init)) | |
| 1616 functionEnter(thr); | |
| 1617 jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init); | |
|
22877
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changeset
|
1618 functionExit(thr); |
| 0 | 1619 return result; |
| 1620 JNI_END | |
| 1621 | |
| 1622 JNI_ENTRY_CHECKED(jobject, | |
| 1623 checked_jni_GetObjectArrayElement(JNIEnv *env, | |
| 1624 jobjectArray array, | |
| 1625 jsize index)) | |
| 1626 functionEnter(thr); | |
| 1627 IN_VM( | |
|
11145
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mgerdin
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6983
diff
changeset
|
1628 check_is_obj_array(thr, array); |
| 0 | 1629 ) |
| 1630 jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index); | |
|
22877
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|
1631 thr->set_pending_jni_exception_check("GetObjectArrayElement"); |
|
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changeset
|
1632 functionExit(thr); |
| 0 | 1633 return result; |
| 1634 JNI_END | |
| 1635 | |
| 1636 JNI_ENTRY_CHECKED(void, | |
| 1637 checked_jni_SetObjectArrayElement(JNIEnv *env, | |
| 1638 jobjectArray array, | |
| 1639 jsize index, | |
| 1640 jobject val)) | |
| 1641 functionEnter(thr); | |
| 1642 IN_VM( | |
|
11145
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6671508: JNI GetPrimitiveArrayCritical should not be callable on object arrays
mgerdin
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6983
diff
changeset
|
1643 check_is_obj_array(thr, array); |
| 0 | 1644 ) |
| 1645 UNCHECKED()->SetObjectArrayElement(env,array,index,val); | |
|
22877
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|
1646 thr->set_pending_jni_exception_check("SetObjectArrayElement"); |
|
d68158e12cea
8043224: -Xcheck:jni improvements to exception checking and excessive local refs
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changeset
|
1647 functionExit(thr); |
| 0 | 1648 JNI_END |
| 1649 | |
| 1650 #define WRAPPER_NewScalarArray(Return, Result) \ | |
| 1651 JNI_ENTRY_CHECKED(Return, \ | |
| 1652 checked_jni_New##Result##Array(JNIEnv *env, \ | |
| 1653 jsize len)) \ | |
| 1654 functionEnter(thr); \ | |
| 1655 Return result = UNCHECKED()->New##Result##Array(env,len); \ | |
|
22877
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diff
changeset
|
1656 functionExit(thr); \ |
| 0 | 1657 return (Return) result; \ |
| 1658 JNI_END | |
| 1659 | |
| 1660 WRAPPER_NewScalarArray(jbooleanArray, Boolean) | |
| 1661 WRAPPER_NewScalarArray(jbyteArray, Byte) | |
| 1662 WRAPPER_NewScalarArray(jshortArray, Short) | |
| 1663 WRAPPER_NewScalarArray(jcharArray, Char) | |
| 1664 WRAPPER_NewScalarArray(jintArray, Int) | |
| 1665 WRAPPER_NewScalarArray(jlongArray, Long) | |
| 1666 WRAPPER_NewScalarArray(jfloatArray, Float) | |
| 1667 WRAPPER_NewScalarArray(jdoubleArray, Double) | |
| 1668 | |
| 1669 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \ | |
| 1670 JNI_ENTRY_CHECKED(ElementType *, \ | |
| 1671 checked_jni_Get##Result##ArrayElements(JNIEnv *env, \ | |
| 1672 ElementType##Array array, \ | |
| 1673 jboolean *isCopy)) \ | |
| 1674 functionEnter(thr); \ | |
| 1675 IN_VM( \ | |
|
11145
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|
1676 check_primitive_array_type(thr, array, ElementTag); \ |
| 0 | 1677 ) \ |
| 1678 ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \ | |
| 1679 array, \ | |
| 1680 isCopy); \ | |
|
20318
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20197
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changeset
|
1681 if (result != NULL) { \ |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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|
1682 result = (ElementType *) check_jni_wrap_copy_array(thr, array, result); \ |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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|
1683 } \ |
|
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changeset
|
1684 functionExit(thr); \ |
| 0 | 1685 return result; \ |
| 1686 JNI_END | |
| 1687 | |
| 1688 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean) | |
| 1689 WRAPPER_GetScalarArrayElements(T_BYTE, jbyte, Byte) | |
| 1690 WRAPPER_GetScalarArrayElements(T_SHORT, jshort, Short) | |
| 1691 WRAPPER_GetScalarArrayElements(T_CHAR, jchar, Char) | |
| 1692 WRAPPER_GetScalarArrayElements(T_INT, jint, Int) | |
| 1693 WRAPPER_GetScalarArrayElements(T_LONG, jlong, Long) | |
| 1694 WRAPPER_GetScalarArrayElements(T_FLOAT, jfloat, Float) | |
| 1695 WRAPPER_GetScalarArrayElements(T_DOUBLE, jdouble, Double) | |
| 1696 | |
| 1697 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \ | |
| 1698 JNI_ENTRY_CHECKED(void, \ | |
| 1699 checked_jni_Release##Result##ArrayElements(JNIEnv *env, \ | |
| 1700 ElementType##Array array, \ | |
| 1701 ElementType *elems, \ | |
| 1702 jint mode)) \ | |
| 1703 functionEnterExceptionAllowed(thr); \ | |
| 1704 IN_VM( \ | |
|
11145
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changeset
|
1705 check_primitive_array_type(thr, array, ElementTag); \ |
| 0 | 1706 ASSERT_OOPS_ALLOWED; \ |
| 1707 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 1708 ) \ | |
|
20318
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6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1709 ElementType* orig_result = (ElementType *) check_wrapped_array_release( \ |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
dsimms
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20197
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changeset
|
1710 thr, "checked_jni_Release"#Result"ArrayElements", array, elems, mode); \ |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1711 UNCHECKED()->Release##Result##ArrayElements(env, array, orig_result, mode); \ |
|
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|
1712 functionExit(thr); \ |
| 0 | 1713 JNI_END |
| 1714 | |
| 1715 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool) | |
| 1716 WRAPPER_ReleaseScalarArrayElements(T_BYTE, jbyte, Byte, byte) | |
| 1717 WRAPPER_ReleaseScalarArrayElements(T_SHORT, jshort, Short, short) | |
| 1718 WRAPPER_ReleaseScalarArrayElements(T_CHAR, jchar, Char, char) | |
| 1719 WRAPPER_ReleaseScalarArrayElements(T_INT, jint, Int, int) | |
| 1720 WRAPPER_ReleaseScalarArrayElements(T_LONG, jlong, Long, long) | |
| 1721 WRAPPER_ReleaseScalarArrayElements(T_FLOAT, jfloat, Float, float) | |
| 1722 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble, Double, double) | |
| 1723 | |
| 1724 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \ | |
| 1725 JNI_ENTRY_CHECKED(void, \ | |
| 1726 checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \ | |
| 1727 ElementType##Array array, \ | |
| 1728 jsize start, \ | |
| 1729 jsize len, \ | |
| 1730 ElementType *buf)) \ | |
| 1731 functionEnter(thr); \ | |
| 1732 IN_VM( \ | |
|
11145
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diff
changeset
|
1733 check_primitive_array_type(thr, array, ElementTag); \ |
| 0 | 1734 ) \ |
| 1735 UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \ | |
|
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|
1736 thr->set_pending_jni_exception_check("Get"#Result"ArrayRegion"); \ |
|
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|
1737 functionExit(thr); \ |
| 0 | 1738 JNI_END |
| 1739 | |
| 1740 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean) | |
| 1741 WRAPPER_GetScalarArrayRegion(T_BYTE, jbyte, Byte) | |
| 1742 WRAPPER_GetScalarArrayRegion(T_SHORT, jshort, Short) | |
| 1743 WRAPPER_GetScalarArrayRegion(T_CHAR, jchar, Char) | |
| 1744 WRAPPER_GetScalarArrayRegion(T_INT, jint, Int) | |
| 1745 WRAPPER_GetScalarArrayRegion(T_LONG, jlong, Long) | |
| 1746 WRAPPER_GetScalarArrayRegion(T_FLOAT, jfloat, Float) | |
| 1747 WRAPPER_GetScalarArrayRegion(T_DOUBLE, jdouble, Double) | |
| 1748 | |
| 1749 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \ | |
| 1750 JNI_ENTRY_CHECKED(void, \ | |
| 1751 checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \ | |
| 1752 ElementType##Array array, \ | |
| 1753 jsize start, \ | |
| 1754 jsize len, \ | |
| 1755 const ElementType *buf)) \ | |
| 1756 functionEnter(thr); \ | |
| 1757 IN_VM( \ | |
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1758 check_primitive_array_type(thr, array, ElementTag); \ |
| 0 | 1759 ) \ |
| 1760 UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \ | |
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1761 thr->set_pending_jni_exception_check("Set"#Result"ArrayRegion"); \ |
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1762 functionExit(thr); \ |
| 0 | 1763 JNI_END |
| 1764 | |
| 1765 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean) | |
| 1766 WRAPPER_SetScalarArrayRegion(T_BYTE, jbyte, Byte) | |
| 1767 WRAPPER_SetScalarArrayRegion(T_SHORT, jshort, Short) | |
| 1768 WRAPPER_SetScalarArrayRegion(T_CHAR, jchar, Char) | |
| 1769 WRAPPER_SetScalarArrayRegion(T_INT, jint, Int) | |
| 1770 WRAPPER_SetScalarArrayRegion(T_LONG, jlong, Long) | |
| 1771 WRAPPER_SetScalarArrayRegion(T_FLOAT, jfloat, Float) | |
| 1772 WRAPPER_SetScalarArrayRegion(T_DOUBLE, jdouble, Double) | |
| 1773 | |
| 1774 JNI_ENTRY_CHECKED(jint, | |
| 1775 checked_jni_RegisterNatives(JNIEnv *env, | |
| 1776 jclass clazz, | |
| 1777 const JNINativeMethod *methods, | |
| 1778 jint nMethods)) | |
| 1779 functionEnter(thr); | |
| 1780 jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods); | |
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1781 functionExit(thr); |
| 0 | 1782 return result; |
| 1783 JNI_END | |
| 1784 | |
| 1785 JNI_ENTRY_CHECKED(jint, | |
| 1786 checked_jni_UnregisterNatives(JNIEnv *env, | |
| 1787 jclass clazz)) | |
| 1788 functionEnter(thr); | |
| 1789 jint result = UNCHECKED()->UnregisterNatives(env,clazz); | |
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1790 functionExit(thr); |
| 0 | 1791 return result; |
| 1792 JNI_END | |
| 1793 | |
| 1794 JNI_ENTRY_CHECKED(jint, | |
| 1795 checked_jni_MonitorEnter(JNIEnv *env, | |
| 1796 jobject obj)) | |
| 1797 functionEnter(thr); | |
| 1798 IN_VM( | |
| 1799 jniCheck::validate_object(thr, obj); | |
| 1800 ) | |
| 1801 jint result = UNCHECKED()->MonitorEnter(env,obj); | |
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1802 functionExit(thr); |
| 0 | 1803 return result; |
| 1804 JNI_END | |
| 1805 | |
| 1806 JNI_ENTRY_CHECKED(jint, | |
| 1807 checked_jni_MonitorExit(JNIEnv *env, | |
| 1808 jobject obj)) | |
| 1809 functionEnterExceptionAllowed(thr); | |
| 1810 IN_VM( | |
| 1811 jniCheck::validate_object(thr, obj); | |
| 1812 ) | |
| 1813 jint result = UNCHECKED()->MonitorExit(env,obj); | |
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1814 functionExit(thr); |
| 0 | 1815 return result; |
| 1816 JNI_END | |
| 1817 | |
| 1818 JNI_ENTRY_CHECKED(jint, | |
| 1819 checked_jni_GetJavaVM(JNIEnv *env, | |
| 1820 JavaVM **vm)) | |
| 1821 functionEnter(thr); | |
| 1822 jint result = UNCHECKED()->GetJavaVM(env,vm); | |
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1823 functionExit(thr); |
| 0 | 1824 return result; |
| 1825 JNI_END | |
| 1826 | |
| 1827 JNI_ENTRY_CHECKED(void, | |
| 1828 checked_jni_GetStringRegion(JNIEnv *env, | |
| 1829 jstring str, | |
| 1830 jsize start, | |
| 1831 jsize len, | |
| 1832 jchar *buf)) | |
| 1833 functionEnter(thr); | |
| 1834 IN_VM( | |
| 1835 checkString(thr, str); | |
| 1836 ) | |
| 1837 UNCHECKED()->GetStringRegion(env, str, start, len, buf); | |
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1838 thr->set_pending_jni_exception_check("GetStringRegion"); |
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1839 functionExit(thr); |
| 0 | 1840 JNI_END |
| 1841 | |
| 1842 JNI_ENTRY_CHECKED(void, | |
| 1843 checked_jni_GetStringUTFRegion(JNIEnv *env, | |
| 1844 jstring str, | |
| 1845 jsize start, | |
| 1846 jsize len, | |
| 1847 char *buf)) | |
| 1848 functionEnter(thr); | |
| 1849 IN_VM( | |
| 1850 checkString(thr, str); | |
| 1851 ) | |
| 1852 UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf); | |
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1853 thr->set_pending_jni_exception_check("GetStringUTFRegion"); |
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1854 functionExit(thr); |
| 0 | 1855 JNI_END |
| 1856 | |
| 1857 JNI_ENTRY_CHECKED(void *, | |
| 1858 checked_jni_GetPrimitiveArrayCritical(JNIEnv *env, | |
| 1859 jarray array, | |
| 1860 jboolean *isCopy)) | |
| 1861 functionEnterCritical(thr); | |
| 1862 IN_VM( | |
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1863 check_is_primitive_array(thr, array); |
| 0 | 1864 ) |
| 1865 void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy); | |
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1866 if (result != NULL) { |
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1867 result = check_jni_wrap_copy_array(thr, array, result); |
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1868 } |
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1869 functionExit(thr); |
| 0 | 1870 return result; |
| 1871 JNI_END | |
| 1872 | |
| 1873 JNI_ENTRY_CHECKED(void, | |
| 1874 checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env, | |
| 1875 jarray array, | |
| 1876 void *carray, | |
| 1877 jint mode)) | |
| 1878 functionEnterCriticalExceptionAllowed(thr); | |
| 1879 IN_VM( | |
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1880 check_is_primitive_array(thr, array); |
| 0 | 1881 ) |
|
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1882 // Check the element array... |
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1883 void* orig_result = check_wrapped_array_release(thr, "ReleasePrimitiveArrayCritical", array, carray, mode); |
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1884 UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, orig_result, mode); |
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1885 functionExit(thr); |
| 0 | 1886 JNI_END |
| 1887 | |
| 1888 JNI_ENTRY_CHECKED(const jchar*, | |
| 1889 checked_jni_GetStringCritical(JNIEnv *env, | |
| 1890 jstring string, | |
| 1891 jboolean *isCopy)) | |
| 1892 functionEnterCritical(thr); | |
| 1893 IN_VM( | |
| 1894 checkString(thr, string); | |
| 1895 ) | |
| 1896 const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy); | |
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1897 functionExit(thr); |
| 0 | 1898 return result; |
| 1899 JNI_END | |
| 1900 | |
| 1901 JNI_ENTRY_CHECKED(void, | |
| 1902 checked_jni_ReleaseStringCritical(JNIEnv *env, | |
| 1903 jstring str, | |
| 1904 const jchar *chars)) | |
| 1905 functionEnterCriticalExceptionAllowed(thr); | |
| 1906 IN_VM( | |
| 1907 checkString(thr, str); | |
| 1908 ) | |
| 1909 /* The Hotspot JNI code does not use the parameters, so just check the | |
| 1910 * string parameter as a minor sanity check | |
| 1911 */ | |
| 1912 UNCHECKED()->ReleaseStringCritical(env, str, chars); | |
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1913 functionExit(thr); |
| 0 | 1914 JNI_END |
| 1915 | |
| 1916 JNI_ENTRY_CHECKED(jweak, | |
| 1917 checked_jni_NewWeakGlobalRef(JNIEnv *env, | |
| 1918 jobject obj)) | |
| 1919 functionEnter(thr); | |
| 1920 IN_VM( | |
| 1921 if (obj != NULL) { | |
| 1922 jniCheck::validate_handle(thr, obj); | |
| 1923 } | |
| 1924 ) | |
| 1925 jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj); | |
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1926 functionExit(thr); |
| 0 | 1927 return result; |
| 1928 JNI_END | |
| 1929 | |
| 1930 JNI_ENTRY_CHECKED(void, | |
| 1931 checked_jni_DeleteWeakGlobalRef(JNIEnv *env, | |
| 1932 jweak ref)) | |
| 1933 functionEnterExceptionAllowed(thr); | |
| 1934 UNCHECKED()->DeleteWeakGlobalRef(env, ref); | |
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1935 functionExit(thr); |
| 0 | 1936 JNI_END |
| 1937 | |
| 1938 JNI_ENTRY_CHECKED(jboolean, | |
| 1939 checked_jni_ExceptionCheck(JNIEnv *env)) | |
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1940 thr->clear_pending_jni_exception_check(); |
| 0 | 1941 functionEnterExceptionAllowed(thr); |
| 1942 jboolean result = UNCHECKED()->ExceptionCheck(env); | |
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1943 functionExit(thr); |
| 0 | 1944 return result; |
| 1945 JNI_END | |
| 1946 | |
| 1947 JNI_ENTRY_CHECKED(jobject, | |
| 1948 checked_jni_NewDirectByteBuffer(JNIEnv *env, | |
| 1949 void *address, | |
| 1950 jlong capacity)) | |
| 1951 functionEnter(thr); | |
| 1952 jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity); | |
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1953 functionExit(thr); |
| 0 | 1954 return result; |
| 1955 JNI_END | |
| 1956 | |
| 1957 JNI_ENTRY_CHECKED(void *, | |
| 1958 checked_jni_GetDirectBufferAddress(JNIEnv *env, | |
| 1959 jobject buf)) | |
| 1960 functionEnter(thr); | |
| 1961 void* result = UNCHECKED()->GetDirectBufferAddress(env, buf); | |
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1962 functionExit(thr); |
| 0 | 1963 return result; |
| 1964 JNI_END | |
| 1965 | |
| 1966 JNI_ENTRY_CHECKED(jlong, | |
| 1967 checked_jni_GetDirectBufferCapacity(JNIEnv *env, | |
| 1968 jobject buf)) | |
| 1969 functionEnter(thr); | |
| 1970 jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf); | |
|
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1971 functionExit(thr); |
| 0 | 1972 return result; |
| 1973 JNI_END | |
| 1974 | |
| 1975 JNI_ENTRY_CHECKED(jobjectRefType, | |
| 1976 checked_jni_GetObjectRefType(JNIEnv *env, | |
| 1977 jobject obj)) | |
| 1978 functionEnter(thr); | |
| 1979 /* validate the object being passed */ | |
| 1980 IN_VM( | |
| 1981 jniCheck::validate_object(thr, obj); | |
| 1982 ) | |
| 1983 jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj); | |
|
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1984 functionExit(thr); |
| 0 | 1985 return result; |
| 1986 JNI_END | |
| 1987 | |
| 1988 | |
| 1989 JNI_ENTRY_CHECKED(jint, | |
| 1990 checked_jni_GetVersion(JNIEnv *env)) | |
| 1991 functionEnter(thr); | |
| 1992 jint result = UNCHECKED()->GetVersion(env); | |
|
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1993 functionExit(thr); |
| 0 | 1994 return result; |
| 1995 JNI_END | |
| 1996 | |
| 1997 | |
| 1998 | |
| 1999 /* | |
| 2000 * Structure containing all checked jni functions | |
| 2001 */ | |
| 2002 struct JNINativeInterface_ checked_jni_NativeInterface = { | |
| 2003 NULL, | |
| 2004 NULL, | |
| 2005 NULL, | |
| 2006 | |
| 2007 NULL, | |
| 2008 | |
| 2009 checked_jni_GetVersion, | |
| 2010 | |
| 2011 checked_jni_DefineClass, | |
| 2012 checked_jni_FindClass, | |
| 2013 | |
| 2014 checked_jni_FromReflectedMethod, | |
| 2015 checked_jni_FromReflectedField, | |
| 2016 | |
| 2017 checked_jni_ToReflectedMethod, | |
| 2018 | |
| 2019 checked_jni_GetSuperclass, | |
| 2020 checked_jni_IsAssignableFrom, | |
| 2021 | |
| 2022 checked_jni_ToReflectedField, | |
| 2023 | |
| 2024 checked_jni_Throw, | |
| 2025 checked_jni_ThrowNew, | |
| 2026 checked_jni_ExceptionOccurred, | |
| 2027 checked_jni_ExceptionDescribe, | |
| 2028 checked_jni_ExceptionClear, | |
| 2029 checked_jni_FatalError, | |
| 2030 | |
| 2031 checked_jni_PushLocalFrame, | |
| 2032 checked_jni_PopLocalFrame, | |
| 2033 | |
| 2034 checked_jni_NewGlobalRef, | |
| 2035 checked_jni_DeleteGlobalRef, | |
| 2036 checked_jni_DeleteLocalRef, | |
| 2037 checked_jni_IsSameObject, | |
| 2038 | |
| 2039 checked_jni_NewLocalRef, | |
| 2040 checked_jni_EnsureLocalCapacity, | |
| 2041 | |
| 2042 checked_jni_AllocObject, | |
| 2043 checked_jni_NewObject, | |
| 2044 checked_jni_NewObjectV, | |
| 2045 checked_jni_NewObjectA, | |
| 2046 | |
| 2047 checked_jni_GetObjectClass, | |
| 2048 checked_jni_IsInstanceOf, | |
| 2049 | |
| 2050 checked_jni_GetMethodID, | |
| 2051 | |
| 2052 checked_jni_CallObjectMethod, | |
| 2053 checked_jni_CallObjectMethodV, | |
| 2054 checked_jni_CallObjectMethodA, | |
| 2055 checked_jni_CallBooleanMethod, | |
| 2056 checked_jni_CallBooleanMethodV, | |
| 2057 checked_jni_CallBooleanMethodA, | |
| 2058 checked_jni_CallByteMethod, | |
| 2059 checked_jni_CallByteMethodV, | |
| 2060 checked_jni_CallByteMethodA, | |
| 2061 checked_jni_CallCharMethod, | |
| 2062 checked_jni_CallCharMethodV, | |
| 2063 checked_jni_CallCharMethodA, | |
| 2064 checked_jni_CallShortMethod, | |
| 2065 checked_jni_CallShortMethodV, | |
| 2066 checked_jni_CallShortMethodA, | |
| 2067 checked_jni_CallIntMethod, | |
| 2068 checked_jni_CallIntMethodV, | |
| 2069 checked_jni_CallIntMethodA, | |
| 2070 checked_jni_CallLongMethod, | |
| 2071 checked_jni_CallLongMethodV, | |
| 2072 checked_jni_CallLongMethodA, | |
| 2073 checked_jni_CallFloatMethod, | |
| 2074 checked_jni_CallFloatMethodV, | |
| 2075 checked_jni_CallFloatMethodA, | |
| 2076 checked_jni_CallDoubleMethod, | |
| 2077 checked_jni_CallDoubleMethodV, | |
| 2078 checked_jni_CallDoubleMethodA, | |
| 2079 checked_jni_CallVoidMethod, | |
| 2080 checked_jni_CallVoidMethodV, | |
| 2081 checked_jni_CallVoidMethodA, | |
| 2082 | |
| 2083 checked_jni_CallNonvirtualObjectMethod, | |
| 2084 checked_jni_CallNonvirtualObjectMethodV, | |
| 2085 checked_jni_CallNonvirtualObjectMethodA, | |
| 2086 checked_jni_CallNonvirtualBooleanMethod, | |
| 2087 checked_jni_CallNonvirtualBooleanMethodV, | |
| 2088 checked_jni_CallNonvirtualBooleanMethodA, | |
| 2089 checked_jni_CallNonvirtualByteMethod, | |
| 2090 checked_jni_CallNonvirtualByteMethodV, | |
| 2091 checked_jni_CallNonvirtualByteMethodA, | |
| 2092 checked_jni_CallNonvirtualCharMethod, | |
| 2093 checked_jni_CallNonvirtualCharMethodV, | |
| 2094 checked_jni_CallNonvirtualCharMethodA, | |
| 2095 checked_jni_CallNonvirtualShortMethod, | |
| 2096 checked_jni_CallNonvirtualShortMethodV, | |
| 2097 checked_jni_CallNonvirtualShortMethodA, | |
| 2098 checked_jni_CallNonvirtualIntMethod, | |
| 2099 checked_jni_CallNonvirtualIntMethodV, | |
| 2100 checked_jni_CallNonvirtualIntMethodA, | |
| 2101 checked_jni_CallNonvirtualLongMethod, | |
| 2102 checked_jni_CallNonvirtualLongMethodV, | |
| 2103 checked_jni_CallNonvirtualLongMethodA, | |
| 2104 checked_jni_CallNonvirtualFloatMethod, | |
| 2105 checked_jni_CallNonvirtualFloatMethodV, | |
| 2106 checked_jni_CallNonvirtualFloatMethodA, | |
| 2107 checked_jni_CallNonvirtualDoubleMethod, | |
| 2108 checked_jni_CallNonvirtualDoubleMethodV, | |
| 2109 checked_jni_CallNonvirtualDoubleMethodA, | |
| 2110 checked_jni_CallNonvirtualVoidMethod, | |
| 2111 checked_jni_CallNonvirtualVoidMethodV, | |
| 2112 checked_jni_CallNonvirtualVoidMethodA, | |
| 2113 | |
| 2114 checked_jni_GetFieldID, | |
| 2115 | |
| 2116 checked_jni_GetObjectField, | |
| 2117 checked_jni_GetBooleanField, | |
| 2118 checked_jni_GetByteField, | |
| 2119 checked_jni_GetCharField, | |
| 2120 checked_jni_GetShortField, | |
| 2121 checked_jni_GetIntField, | |
| 2122 checked_jni_GetLongField, | |
| 2123 checked_jni_GetFloatField, | |
| 2124 checked_jni_GetDoubleField, | |
| 2125 | |
| 2126 checked_jni_SetObjectField, | |
| 2127 checked_jni_SetBooleanField, | |
| 2128 checked_jni_SetByteField, | |
| 2129 checked_jni_SetCharField, | |
| 2130 checked_jni_SetShortField, | |
| 2131 checked_jni_SetIntField, | |
| 2132 checked_jni_SetLongField, | |
| 2133 checked_jni_SetFloatField, | |
| 2134 checked_jni_SetDoubleField, | |
| 2135 | |
| 2136 checked_jni_GetStaticMethodID, | |
| 2137 | |
| 2138 checked_jni_CallStaticObjectMethod, | |
| 2139 checked_jni_CallStaticObjectMethodV, | |
| 2140 checked_jni_CallStaticObjectMethodA, | |
| 2141 checked_jni_CallStaticBooleanMethod, | |
| 2142 checked_jni_CallStaticBooleanMethodV, | |
| 2143 checked_jni_CallStaticBooleanMethodA, | |
| 2144 checked_jni_CallStaticByteMethod, | |
| 2145 checked_jni_CallStaticByteMethodV, | |
| 2146 checked_jni_CallStaticByteMethodA, | |
| 2147 checked_jni_CallStaticCharMethod, | |
| 2148 checked_jni_CallStaticCharMethodV, | |
| 2149 checked_jni_CallStaticCharMethodA, | |
| 2150 checked_jni_CallStaticShortMethod, | |
| 2151 checked_jni_CallStaticShortMethodV, | |
| 2152 checked_jni_CallStaticShortMethodA, | |
| 2153 checked_jni_CallStaticIntMethod, | |
| 2154 checked_jni_CallStaticIntMethodV, | |
| 2155 checked_jni_CallStaticIntMethodA, | |
| 2156 checked_jni_CallStaticLongMethod, | |
| 2157 checked_jni_CallStaticLongMethodV, | |
| 2158 checked_jni_CallStaticLongMethodA, | |
| 2159 checked_jni_CallStaticFloatMethod, | |
| 2160 checked_jni_CallStaticFloatMethodV, | |
| 2161 checked_jni_CallStaticFloatMethodA, | |
| 2162 checked_jni_CallStaticDoubleMethod, | |
| 2163 checked_jni_CallStaticDoubleMethodV, | |
| 2164 checked_jni_CallStaticDoubleMethodA, | |
| 2165 checked_jni_CallStaticVoidMethod, | |
| 2166 checked_jni_CallStaticVoidMethodV, | |
| 2167 checked_jni_CallStaticVoidMethodA, | |
| 2168 | |
| 2169 checked_jni_GetStaticFieldID, | |
| 2170 | |
| 2171 checked_jni_GetStaticObjectField, | |
| 2172 checked_jni_GetStaticBooleanField, | |
| 2173 checked_jni_GetStaticByteField, | |
| 2174 checked_jni_GetStaticCharField, | |
| 2175 checked_jni_GetStaticShortField, | |
| 2176 checked_jni_GetStaticIntField, | |
| 2177 checked_jni_GetStaticLongField, | |
| 2178 checked_jni_GetStaticFloatField, | |
| 2179 checked_jni_GetStaticDoubleField, | |
| 2180 | |
| 2181 checked_jni_SetStaticObjectField, | |
| 2182 checked_jni_SetStaticBooleanField, | |
| 2183 checked_jni_SetStaticByteField, | |
| 2184 checked_jni_SetStaticCharField, | |
| 2185 checked_jni_SetStaticShortField, | |
| 2186 checked_jni_SetStaticIntField, | |
| 2187 checked_jni_SetStaticLongField, | |
| 2188 checked_jni_SetStaticFloatField, | |
| 2189 checked_jni_SetStaticDoubleField, | |
| 2190 | |
| 2191 checked_jni_NewString, | |
| 2192 checked_jni_GetStringLength, | |
| 2193 checked_jni_GetStringChars, | |
| 2194 checked_jni_ReleaseStringChars, | |
| 2195 | |
| 2196 checked_jni_NewStringUTF, | |
| 2197 checked_jni_GetStringUTFLength, | |
| 2198 checked_jni_GetStringUTFChars, | |
| 2199 checked_jni_ReleaseStringUTFChars, | |
| 2200 | |
| 2201 checked_jni_GetArrayLength, | |
| 2202 | |
| 2203 checked_jni_NewObjectArray, | |
| 2204 checked_jni_GetObjectArrayElement, | |
| 2205 checked_jni_SetObjectArrayElement, | |
| 2206 | |
| 2207 checked_jni_NewBooleanArray, | |
| 2208 checked_jni_NewByteArray, | |
| 2209 checked_jni_NewCharArray, | |
| 2210 checked_jni_NewShortArray, | |
| 2211 checked_jni_NewIntArray, | |
| 2212 checked_jni_NewLongArray, | |
| 2213 checked_jni_NewFloatArray, | |
| 2214 checked_jni_NewDoubleArray, | |
| 2215 | |
| 2216 checked_jni_GetBooleanArrayElements, | |
| 2217 checked_jni_GetByteArrayElements, | |
| 2218 checked_jni_GetCharArrayElements, | |
| 2219 checked_jni_GetShortArrayElements, | |
| 2220 checked_jni_GetIntArrayElements, | |
| 2221 checked_jni_GetLongArrayElements, | |
| 2222 checked_jni_GetFloatArrayElements, | |
| 2223 checked_jni_GetDoubleArrayElements, | |
| 2224 | |
| 2225 checked_jni_ReleaseBooleanArrayElements, | |
| 2226 checked_jni_ReleaseByteArrayElements, | |
| 2227 checked_jni_ReleaseCharArrayElements, | |
| 2228 checked_jni_ReleaseShortArrayElements, | |
| 2229 checked_jni_ReleaseIntArrayElements, | |
| 2230 checked_jni_ReleaseLongArrayElements, | |
| 2231 checked_jni_ReleaseFloatArrayElements, | |
| 2232 checked_jni_ReleaseDoubleArrayElements, | |
| 2233 | |
| 2234 checked_jni_GetBooleanArrayRegion, | |
| 2235 checked_jni_GetByteArrayRegion, | |
| 2236 checked_jni_GetCharArrayRegion, | |
| 2237 checked_jni_GetShortArrayRegion, | |
| 2238 checked_jni_GetIntArrayRegion, | |
| 2239 checked_jni_GetLongArrayRegion, | |
| 2240 checked_jni_GetFloatArrayRegion, | |
| 2241 checked_jni_GetDoubleArrayRegion, | |
| 2242 | |
| 2243 checked_jni_SetBooleanArrayRegion, | |
| 2244 checked_jni_SetByteArrayRegion, | |
| 2245 checked_jni_SetCharArrayRegion, | |
| 2246 checked_jni_SetShortArrayRegion, | |
| 2247 checked_jni_SetIntArrayRegion, | |
| 2248 checked_jni_SetLongArrayRegion, | |
| 2249 checked_jni_SetFloatArrayRegion, | |
| 2250 checked_jni_SetDoubleArrayRegion, | |
| 2251 | |
| 2252 checked_jni_RegisterNatives, | |
| 2253 checked_jni_UnregisterNatives, | |
| 2254 | |
| 2255 checked_jni_MonitorEnter, | |
| 2256 checked_jni_MonitorExit, | |
| 2257 | |
| 2258 checked_jni_GetJavaVM, | |
| 2259 | |
| 2260 checked_jni_GetStringRegion, | |
| 2261 checked_jni_GetStringUTFRegion, | |
| 2262 | |
| 2263 checked_jni_GetPrimitiveArrayCritical, | |
| 2264 checked_jni_ReleasePrimitiveArrayCritical, | |
| 2265 | |
| 2266 checked_jni_GetStringCritical, | |
| 2267 checked_jni_ReleaseStringCritical, | |
| 2268 | |
| 2269 checked_jni_NewWeakGlobalRef, | |
| 2270 checked_jni_DeleteWeakGlobalRef, | |
| 2271 | |
| 2272 checked_jni_ExceptionCheck, | |
| 2273 | |
| 2274 checked_jni_NewDirectByteBuffer, | |
| 2275 checked_jni_GetDirectBufferAddress, | |
| 2276 checked_jni_GetDirectBufferCapacity, | |
| 2277 | |
| 2278 // New 1.6 Features | |
| 2279 | |
| 2280 checked_jni_GetObjectRefType | |
| 2281 }; | |
| 2282 | |
| 2283 | |
| 2284 // Returns the function structure | |
| 2285 struct JNINativeInterface_* jni_functions_check() { | |
| 2286 | |
| 2287 unchecked_jni_NativeInterface = jni_functions_nocheck(); | |
| 2288 | |
| 2289 // make sure the last pointer in the checked table is not null, indicating | |
| 2290 // an addition to the JNINativeInterface_ structure without initializing | |
| 2291 // it in the checked table. | |
| 2292 debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \ | |
| 2293 sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));) | |
| 2294 assert(*lastPtr != 0, | |
| 2295 "Mismatched JNINativeInterface tables, check for new entries"); | |
| 2296 | |
| 2297 // with -verbose:jni this message will print | |
| 2298 if (PrintJNIResolving) { | |
| 2299 tty->print_cr("Checked JNI functions are being used to " \ | |
| 2300 "validate JNI usage"); | |
| 2301 } | |
| 2302 | |
| 2303 return &checked_jni_NativeInterface; | |
| 2304 } |