Mercurial > hg > graal-jvmci-8
annotate src/share/vm/prims/jniCheck.cpp @ 24094:9b69cec6d01b
Merge with jdk8u121-b13
| author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
|---|---|
| date | Mon, 06 Feb 2017 17:18:57 +0100 |
| parents | dd9cc155639c fde446cb8e19 |
| children |
| 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 * Programmers often defend against ArrayIndexOutOfBoundsException, so warning |
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190 * for these functions would be pedantic. |
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191 */ |
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192 static inline void |
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193 check_pending_exception(JavaThread* thr) { |
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194 if (thr->has_pending_exception()) { |
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195 NativeReportJNIWarning(thr, "JNI call made with exception pending"); |
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196 } |
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197 if (thr->is_pending_jni_exception_check()) { |
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198 IN_VM( |
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199 tty->print_cr("WARNING in native method: JNI call made without checking exceptions when required to from %s", |
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200 thr->get_pending_jni_exception_check()); |
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201 thr->print_stack(); |
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202 ) |
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203 thr->clear_pending_jni_exception_check(); // Just complain once |
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204 } |
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205 } |
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206 |
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207 /** |
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208 * Add to the planned number of handles. I.e. plus current live & warning threshold |
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209 */ |
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210 static inline void |
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211 add_planned_handle_capacity(JNIHandleBlock* handles, size_t capacity) { |
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212 handles->set_planned_capacity(capacity + |
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213 handles->get_number_of_live_handles() + |
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214 CHECK_JNI_LOCAL_REF_CAP_WARN_THRESHOLD); |
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215 } |
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216 |
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217 |
| 0 | 218 static inline void |
| 219 functionEnterCritical(JavaThread* thr) | |
| 220 { | |
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221 check_pending_exception(thr); |
| 0 | 222 } |
| 223 | |
| 224 static inline void | |
| 225 functionEnterCriticalExceptionAllowed(JavaThread* thr) | |
| 226 { | |
| 227 } | |
| 228 | |
| 229 static inline void | |
| 230 functionEnter(JavaThread* thr) | |
| 231 { | |
| 232 if (thr->in_critical()) { | |
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233 tty->print_cr("%s", warn_other_function_in_critical); |
| 0 | 234 } |
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235 check_pending_exception(thr); |
| 0 | 236 } |
| 237 | |
| 238 static inline void | |
| 239 functionEnterExceptionAllowed(JavaThread* thr) | |
| 240 { | |
| 241 if (thr->in_critical()) { | |
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242 tty->print_cr("%s", warn_other_function_in_critical); |
| 0 | 243 } |
| 244 } | |
| 245 | |
| 246 static inline void | |
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247 functionExit(JavaThread* thr) |
| 0 | 248 { |
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249 JNIHandleBlock* handles = thr->active_handles(); |
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250 size_t planned_capacity = handles->get_planned_capacity(); |
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251 size_t live_handles = handles->get_number_of_live_handles(); |
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252 if (live_handles > planned_capacity) { |
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253 IN_VM( |
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254 tty->print_cr("WARNING: JNI local refs: %zu, exceeds capacity: %zu", |
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255 live_handles, planned_capacity); |
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256 thr->print_stack(); |
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257 ) |
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258 // Complain just the once, reset to current + warn threshold |
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259 add_planned_handle_capacity(handles, 0); |
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260 } |
| 0 | 261 } |
| 262 | |
| 263 static inline void | |
| 264 checkStaticFieldID(JavaThread* thr, jfieldID fid, jclass cls, int ftype) | |
| 265 { | |
| 266 fieldDescriptor fd; | |
| 267 | |
| 268 /* make sure it is a static field */ | |
| 269 if (!jfieldIDWorkaround::is_static_jfieldID(fid)) | |
| 270 ReportJNIFatalError(thr, fatal_should_be_static); | |
| 271 | |
| 272 /* validate the class being passed */ | |
| 273 ASSERT_OOPS_ALLOWED; | |
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274 Klass* k_oop = jniCheck::validate_class(thr, cls, false); |
| 0 | 275 |
| 276 /* check for proper subclass hierarchy */ | |
| 277 JNIid* id = jfieldIDWorkaround::from_static_jfieldID(fid); | |
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278 Klass* f_oop = id->holder(); |
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279 if (!InstanceKlass::cast(k_oop)->is_subtype_of(f_oop)) |
| 0 | 280 ReportJNIFatalError(thr, fatal_wrong_static_field); |
| 281 | |
| 282 /* check for proper field type */ | |
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283 if (!id->find_local_field(&fd)) |
| 0 | 284 ReportJNIFatalError(thr, fatal_static_field_not_found); |
| 285 if ((fd.field_type() != ftype) && | |
| 286 !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) { | |
| 287 ReportJNIFatalError(thr, fatal_static_field_mismatch); | |
| 288 } | |
| 289 } | |
| 290 | |
| 291 static inline void | |
| 292 checkInstanceFieldID(JavaThread* thr, jfieldID fid, jobject obj, int ftype) | |
| 293 { | |
| 294 fieldDescriptor fd; | |
| 295 | |
| 296 /* make sure it is an instance field */ | |
| 297 if (jfieldIDWorkaround::is_static_jfieldID(fid)) | |
| 298 ReportJNIFatalError(thr, fatal_should_be_nonstatic); | |
| 299 | |
| 300 /* validate the object being passed and then get its class */ | |
| 301 ASSERT_OOPS_ALLOWED; | |
| 302 oop oopObj = jniCheck::validate_object(thr, obj); | |
| 303 if (!oopObj) { | |
| 304 ReportJNIFatalError(thr, fatal_null_object); | |
| 305 } | |
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306 Klass* k_oop = oopObj->klass(); |
| 0 | 307 |
| 308 if (!jfieldIDWorkaround::is_valid_jfieldID(k_oop, fid)) { | |
| 309 ReportJNIFatalError(thr, fatal_wrong_field); | |
| 310 } | |
| 311 | |
| 312 /* make sure the field exists */ | |
| 313 int offset = jfieldIDWorkaround::from_instance_jfieldID(k_oop, fid); | |
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314 if (!InstanceKlass::cast(k_oop)->contains_field_offset(offset)) |
| 0 | 315 ReportJNIFatalError(thr, fatal_wrong_field); |
| 316 | |
| 317 /* check for proper field type */ | |
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318 if (!InstanceKlass::cast(k_oop)->find_field_from_offset(offset, |
| 0 | 319 false, &fd)) |
| 320 ReportJNIFatalError(thr, fatal_instance_field_not_found); | |
| 321 | |
| 322 if ((fd.field_type() != ftype) && | |
| 323 !(fd.field_type() == T_ARRAY && ftype == T_OBJECT)) { | |
| 324 ReportJNIFatalError(thr, fatal_instance_field_mismatch); | |
| 325 } | |
| 326 } | |
| 327 | |
| 328 static inline void | |
| 329 checkString(JavaThread* thr, jstring js) | |
| 330 { | |
| 331 ASSERT_OOPS_ALLOWED; | |
| 332 oop s = jniCheck::validate_object(thr, js); | |
| 333 if (!s || !java_lang_String::is_instance(s)) | |
| 334 ReportJNIFatalError(thr, fatal_non_string); | |
| 335 } | |
| 336 | |
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337 static inline arrayOop |
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338 check_is_array(JavaThread* thr, jarray jArray) |
| 0 | 339 { |
| 340 ASSERT_OOPS_ALLOWED; | |
| 341 arrayOop aOop; | |
| 342 | |
| 343 aOop = (arrayOop)jniCheck::validate_object(thr, jArray); | |
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344 if (aOop == NULL || !aOop->is_array()) { |
| 0 | 345 ReportJNIFatalError(thr, fatal_non_array); |
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346 } |
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347 return aOop; |
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348 } |
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349 |
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350 static inline arrayOop |
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351 check_is_primitive_array(JavaThread* thr, jarray jArray) { |
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352 arrayOop aOop = check_is_array(thr, jArray); |
| 0 | 353 |
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354 if (!aOop->is_typeArray()) { |
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355 ReportJNIFatalError(thr, fatal_prim_type_array_expected); |
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356 } |
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357 return aOop; |
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358 } |
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359 |
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360 static inline void |
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361 check_primitive_array_type(JavaThread* thr, jarray jArray, BasicType elementType) |
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362 { |
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363 BasicType array_type; |
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364 arrayOop aOop; |
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365 |
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366 aOop = check_is_primitive_array(thr, jArray); |
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367 array_type = TypeArrayKlass::cast(aOop->klass())->element_type(); |
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368 if (array_type != elementType) { |
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369 ReportJNIFatalError(thr, fatal_element_type_mismatch); |
| 0 | 370 } |
| 371 } | |
| 372 | |
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373 static inline void |
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374 check_is_obj_array(JavaThread* thr, jarray jArray) { |
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375 arrayOop aOop = check_is_array(thr, jArray); |
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376 if (!aOop->is_objArray()) { |
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377 ReportJNIFatalError(thr, fatal_object_array_expected); |
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378 } |
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379 } |
| 0 | 380 |
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381 /* |
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382 * Copy and wrap array elements for bounds checking. |
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383 * Remember the original elements (GuardedMemory::get_tag()) |
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384 */ |
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385 static void* check_jni_wrap_copy_array(JavaThread* thr, jarray array, |
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386 void* orig_elements) { |
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387 void* result; |
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388 IN_VM( |
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389 oop a = JNIHandles::resolve_non_null(array); |
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390 size_t len = arrayOop(a)->length() << |
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391 TypeArrayKlass::cast(a->klass())->log2_element_size(); |
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392 result = GuardedMemory::wrap_copy(orig_elements, len, orig_elements); |
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393 ) |
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394 return result; |
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395 } |
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396 |
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397 static void* check_wrapped_array(JavaThread* thr, const char* fn_name, |
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398 void* obj, void* carray, size_t* rsz) { |
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399 if (carray == NULL) { |
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400 tty->print_cr("%s: elements vector NULL" PTR_FORMAT, fn_name, p2i(obj)); |
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401 NativeReportJNIFatalError(thr, "Elements vector NULL"); |
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402 } |
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403 GuardedMemory guarded(carray); |
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404 void* orig_result = guarded.get_tag(); |
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405 if (!guarded.verify_guards()) { |
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406 tty->print_cr("ReleasePrimitiveArrayCritical: release array failed bounds " |
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407 "check, incorrect pointer returned ? array: " PTR_FORMAT " carray: " |
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408 PTR_FORMAT, p2i(obj), p2i(carray)); |
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409 guarded.print_on(tty); |
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410 NativeReportJNIFatalError(thr, "ReleasePrimitiveArrayCritical: " |
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411 "failed bounds check"); |
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412 } |
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413 if (orig_result == NULL) { |
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414 tty->print_cr("ReleasePrimitiveArrayCritical: unrecognized elements. array: " |
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415 PTR_FORMAT " carray: " PTR_FORMAT, p2i(obj), p2i(carray)); |
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416 guarded.print_on(tty); |
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417 NativeReportJNIFatalError(thr, "ReleasePrimitiveArrayCritical: " |
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418 "unrecognized elements"); |
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419 } |
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420 if (rsz != NULL) { |
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421 *rsz = guarded.get_user_size(); |
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422 } |
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423 return orig_result; |
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424 } |
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425 |
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426 static void* check_wrapped_array_release(JavaThread* thr, const char* fn_name, |
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427 void* obj, void* carray, jint mode) { |
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428 size_t sz; |
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429 void* orig_result = check_wrapped_array(thr, fn_name, obj, carray, &sz); |
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430 switch (mode) { |
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431 case 0: |
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432 memcpy(orig_result, carray, sz); |
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433 GuardedMemory::free_copy(carray); |
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434 break; |
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435 case JNI_COMMIT: |
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436 memcpy(orig_result, carray, sz); |
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437 break; |
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438 case JNI_ABORT: |
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439 GuardedMemory::free_copy(carray); |
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440 break; |
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441 default: |
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442 tty->print_cr("%s: Unrecognized mode %i releasing array " |
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443 PTR_FORMAT " elements " PTR_FORMAT, fn_name, mode, p2i(obj), p2i(carray)); |
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444 NativeReportJNIFatalError(thr, "Unrecognized array release mode"); |
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445 } |
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446 return orig_result; |
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447 } |
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448 |
| 0 | 449 oop jniCheck::validate_handle(JavaThread* thr, jobject obj) { |
| 450 if (JNIHandles::is_frame_handle(thr, obj) || | |
| 451 JNIHandles::is_local_handle(thr, obj) || | |
| 452 JNIHandles::is_global_handle(obj) || | |
| 453 JNIHandles::is_weak_global_handle(obj)) { | |
| 454 ASSERT_OOPS_ALLOWED; | |
| 455 return JNIHandles::resolve_external_guard(obj); | |
| 456 } | |
| 457 ReportJNIFatalError(thr, fatal_bad_ref_to_jni); | |
| 458 return NULL; | |
| 459 } | |
| 460 | |
| 461 | |
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462 Method* jniCheck::validate_jmethod_id(JavaThread* thr, jmethodID method_id) { |
| 0 | 463 ASSERT_OOPS_ALLOWED; |
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464 // Do the jmethodID check |
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465 Method* moop = Method::checked_resolve_jmethod_id(method_id); |
| 0 | 466 if (moop == NULL) { |
| 467 ReportJNIFatalError(thr, fatal_wrong_class_or_method); | |
| 468 } | |
| 469 return moop; | |
| 470 } | |
| 471 | |
| 472 | |
| 473 oop jniCheck::validate_object(JavaThread* thr, jobject obj) { | |
| 474 if (!obj) | |
| 475 return NULL; | |
| 476 ASSERT_OOPS_ALLOWED; | |
| 477 oop oopObj = jniCheck::validate_handle(thr, obj); | |
| 478 if (!oopObj) { | |
| 479 ReportJNIFatalError(thr, fatal_bad_ref_to_jni); | |
| 480 } | |
| 481 return oopObj; | |
| 482 } | |
| 483 | |
| 484 // Warn if a class descriptor is in decorated form; class descriptors | |
| 485 // passed to JNI findClass should not be decorated unless they are | |
| 486 // array descriptors. | |
| 487 void jniCheck::validate_class_descriptor(JavaThread* thr, const char* name) { | |
| 488 if (name == NULL) return; // implementation accepts NULL so just return | |
| 489 | |
| 490 size_t len = strlen(name); | |
| 491 | |
| 492 if (len >= 2 && | |
| 493 name[0] == JVM_SIGNATURE_CLASS && // 'L' | |
| 494 name[len-1] == JVM_SIGNATURE_ENDCLASS ) { // ';' | |
| 495 char msg[JVM_MAXPATHLEN]; | |
| 496 jio_snprintf(msg, JVM_MAXPATHLEN, warn_bad_class_descriptor, name); | |
| 497 ReportJNIWarning(thr, msg); | |
| 498 } | |
| 499 } | |
| 500 | |
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501 Klass* jniCheck::validate_class(JavaThread* thr, jclass clazz, bool allow_primitive) { |
| 0 | 502 ASSERT_OOPS_ALLOWED; |
| 503 oop mirror = jniCheck::validate_handle(thr, clazz); | |
| 504 if (!mirror) { | |
| 505 ReportJNIFatalError(thr, fatal_received_null_class); | |
| 506 } | |
| 507 | |
| 1142 | 508 if (mirror->klass() != SystemDictionary::Class_klass()) { |
| 0 | 509 ReportJNIFatalError(thr, fatal_class_not_a_class); |
| 510 } | |
| 511 | |
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512 Klass* k = java_lang_Class::as_Klass(mirror); |
| 0 | 513 // Make allowances for primitive classes ... |
| 514 if (!(k != NULL || allow_primitive && java_lang_Class::is_primitive(mirror))) { | |
| 515 ReportJNIFatalError(thr, fatal_class_not_a_class); | |
| 516 } | |
| 517 return k; | |
| 518 } | |
| 519 | |
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520 void jniCheck::validate_throwable_klass(JavaThread* thr, Klass* klass) { |
| 0 | 521 ASSERT_OOPS_ALLOWED; |
| 522 assert(klass != NULL, "klass argument must have a value"); | |
| 523 | |
| 6983 | 524 if (!klass->oop_is_instance() || |
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525 !InstanceKlass::cast(klass)->is_subclass_of(SystemDictionary::Throwable_klass())) { |
| 0 | 526 ReportJNIFatalError(thr, fatal_class_not_a_throwable_class); |
| 527 } | |
| 528 } | |
| 529 | |
| 530 void jniCheck::validate_call_object(JavaThread* thr, jobject obj, jmethodID method_id) { | |
| 531 /* validate the object being passed */ | |
| 532 ASSERT_OOPS_ALLOWED; | |
| 533 jniCheck::validate_jmethod_id(thr, method_id); | |
| 534 jniCheck::validate_object(thr, obj); | |
| 535 } | |
| 536 | |
| 537 void jniCheck::validate_call_class(JavaThread* thr, jclass clazz, jmethodID method_id) { | |
| 538 /* validate the class being passed */ | |
| 539 ASSERT_OOPS_ALLOWED; | |
| 540 jniCheck::validate_jmethod_id(thr, method_id); | |
| 541 jniCheck::validate_class(thr, clazz, false); | |
| 542 } | |
| 543 | |
| 544 | |
| 545 /* | |
| 546 * IMPLEMENTATION OF FUNCTIONS IN CHECKED TABLE | |
| 547 */ | |
| 548 | |
| 549 JNI_ENTRY_CHECKED(jclass, | |
| 550 checked_jni_DefineClass(JNIEnv *env, | |
| 551 const char *name, | |
| 552 jobject loader, | |
| 553 const jbyte *buf, | |
| 554 jsize len)) | |
| 555 functionEnter(thr); | |
| 556 IN_VM( | |
| 557 jniCheck::validate_object(thr, loader); | |
| 558 ) | |
| 559 jclass result = UNCHECKED()->DefineClass(env, name, loader, buf, len); | |
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560 functionExit(thr); |
| 0 | 561 return result; |
| 562 JNI_END | |
| 563 | |
| 564 JNI_ENTRY_CHECKED(jclass, | |
| 565 checked_jni_FindClass(JNIEnv *env, | |
| 566 const char *name)) | |
| 567 functionEnter(thr); | |
| 568 IN_VM( | |
| 569 jniCheck::validate_class_descriptor(thr, name); | |
| 570 ) | |
| 571 jclass result = UNCHECKED()->FindClass(env, name); | |
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572 functionExit(thr); |
| 0 | 573 return result; |
| 574 JNI_END | |
| 575 | |
| 576 JNI_ENTRY_CHECKED(jmethodID, | |
| 577 checked_jni_FromReflectedMethod(JNIEnv *env, | |
| 578 jobject method)) | |
| 579 functionEnter(thr); | |
| 580 IN_VM( | |
| 581 jniCheck::validate_object(thr, method); | |
| 582 ) | |
| 583 jmethodID result = UNCHECKED()->FromReflectedMethod(env, method); | |
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584 functionExit(thr); |
| 0 | 585 return result; |
| 586 JNI_END | |
| 587 | |
| 588 JNI_ENTRY_CHECKED(jfieldID, | |
| 589 checked_jni_FromReflectedField(JNIEnv *env, | |
| 590 jobject field)) | |
| 591 functionEnter(thr); | |
| 592 IN_VM( | |
| 593 jniCheck::validate_object(thr, field); | |
| 594 ) | |
| 595 jfieldID result = UNCHECKED()->FromReflectedField(env, field); | |
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596 functionExit(thr); |
| 0 | 597 return result; |
| 598 JNI_END | |
| 599 | |
| 600 JNI_ENTRY_CHECKED(jobject, | |
| 601 checked_jni_ToReflectedMethod(JNIEnv *env, | |
| 602 jclass cls, | |
| 603 jmethodID methodID, | |
| 604 jboolean isStatic)) | |
| 605 functionEnter(thr); | |
| 606 IN_VM( | |
| 607 jniCheck::validate_class(thr, cls, false); | |
| 608 jniCheck::validate_jmethod_id(thr, methodID); | |
| 609 ) | |
| 610 jobject result = UNCHECKED()->ToReflectedMethod(env, cls, methodID, | |
| 611 isStatic); | |
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612 functionExit(thr); |
| 0 | 613 return result; |
| 614 JNI_END | |
| 615 | |
| 616 JNI_ENTRY_CHECKED(jclass, | |
| 617 checked_jni_GetSuperclass(JNIEnv *env, | |
| 618 jclass sub)) | |
| 619 functionEnter(thr); | |
| 620 IN_VM( | |
| 621 jniCheck::validate_class(thr, sub, true); | |
| 622 ) | |
| 623 jclass result = UNCHECKED()->GetSuperclass(env, sub); | |
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624 functionExit(thr); |
| 0 | 625 return result; |
| 626 JNI_END | |
| 627 | |
| 628 JNI_ENTRY_CHECKED(jboolean, | |
| 629 checked_jni_IsAssignableFrom(JNIEnv *env, | |
| 630 jclass sub, | |
| 631 jclass sup)) | |
| 632 functionEnter(thr); | |
| 633 IN_VM( | |
| 634 jniCheck::validate_class(thr, sub, true); | |
| 635 jniCheck::validate_class(thr, sup, true); | |
| 636 ) | |
| 637 jboolean result = UNCHECKED()->IsAssignableFrom(env, sub, sup); | |
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638 functionExit(thr); |
| 0 | 639 return result; |
| 640 JNI_END | |
| 641 | |
| 642 JNI_ENTRY_CHECKED(jobject, | |
| 643 checked_jni_ToReflectedField(JNIEnv *env, | |
| 644 jclass cls, | |
| 645 jfieldID fieldID, | |
| 646 jboolean isStatic)) | |
| 647 functionEnter(thr); | |
| 648 IN_VM( | |
| 649 jniCheck::validate_class(thr, cls, false); | |
| 650 ) | |
| 651 jobject result = UNCHECKED()->ToReflectedField(env, cls, fieldID, | |
| 652 isStatic); | |
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653 functionExit(thr); |
| 0 | 654 return result; |
| 655 JNI_END | |
| 656 | |
| 657 JNI_ENTRY_CHECKED(jint, | |
| 658 checked_jni_Throw(JNIEnv *env, | |
| 659 jthrowable obj)) | |
| 660 functionEnter(thr); | |
| 661 IN_VM( | |
| 662 oop oopObj = jniCheck::validate_object(thr, obj); | |
| 663 if (oopObj == NULL) { | |
| 664 // Unchecked Throw tolerates a NULL obj, so just warn | |
| 665 ReportJNIWarning(thr, "JNI Throw called with NULL throwable"); | |
| 666 } else { | |
| 667 jniCheck::validate_throwable_klass(thr, oopObj->klass()); | |
| 668 } | |
| 669 ) | |
| 670 jint result = UNCHECKED()->Throw(env, obj); | |
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671 functionExit(thr); |
| 0 | 672 return result; |
| 673 JNI_END | |
| 674 | |
| 675 JNI_ENTRY_CHECKED(jint, | |
| 676 checked_jni_ThrowNew(JNIEnv *env, | |
| 677 jclass clazz, | |
| 678 const char *msg)) | |
| 679 functionEnter(thr); | |
| 680 IN_VM( | |
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681 Klass* k = jniCheck::validate_class(thr, clazz, false); |
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682 assert(k != NULL, "validate_class shouldn't return NULL Klass*"); |
| 0 | 683 jniCheck::validate_throwable_klass(thr, k); |
| 684 ) | |
| 685 jint result = UNCHECKED()->ThrowNew(env, clazz, msg); | |
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686 functionExit(thr); |
| 0 | 687 return result; |
| 688 JNI_END | |
| 689 | |
| 690 JNI_ENTRY_CHECKED(jthrowable, | |
| 691 checked_jni_ExceptionOccurred(JNIEnv *env)) | |
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692 thr->clear_pending_jni_exception_check(); |
| 0 | 693 functionEnterExceptionAllowed(thr); |
| 694 jthrowable result = UNCHECKED()->ExceptionOccurred(env); | |
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695 functionExit(thr); |
| 0 | 696 return result; |
| 697 JNI_END | |
| 698 | |
| 699 JNI_ENTRY_CHECKED(void, | |
| 700 checked_jni_ExceptionDescribe(JNIEnv *env)) | |
| 701 functionEnterExceptionAllowed(thr); | |
| 702 UNCHECKED()->ExceptionDescribe(env); | |
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703 functionExit(thr); |
| 0 | 704 JNI_END |
| 705 | |
| 706 JNI_ENTRY_CHECKED(void, | |
| 707 checked_jni_ExceptionClear(JNIEnv *env)) | |
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708 thr->clear_pending_jni_exception_check(); |
| 0 | 709 functionEnterExceptionAllowed(thr); |
| 710 UNCHECKED()->ExceptionClear(env); | |
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711 functionExit(thr); |
| 0 | 712 JNI_END |
| 713 | |
| 714 JNI_ENTRY_CHECKED(void, | |
| 715 checked_jni_FatalError(JNIEnv *env, | |
| 716 const char *msg)) | |
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717 thr->clear_pending_jni_exception_check(); |
| 0 | 718 functionEnter(thr); |
| 719 UNCHECKED()->FatalError(env, msg); | |
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720 functionExit(thr); |
| 0 | 721 JNI_END |
| 722 | |
| 723 JNI_ENTRY_CHECKED(jint, | |
| 724 checked_jni_PushLocalFrame(JNIEnv *env, | |
| 725 jint capacity)) | |
| 726 functionEnterExceptionAllowed(thr); | |
| 727 if (capacity < 0) | |
| 728 NativeReportJNIFatalError(thr, "negative capacity"); | |
| 729 jint result = UNCHECKED()->PushLocalFrame(env, capacity); | |
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730 if (result == JNI_OK) { |
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731 add_planned_handle_capacity(thr->active_handles(), capacity); |
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732 } |
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733 functionExit(thr); |
| 0 | 734 return result; |
| 735 JNI_END | |
| 736 | |
| 737 JNI_ENTRY_CHECKED(jobject, | |
| 738 checked_jni_PopLocalFrame(JNIEnv *env, | |
| 739 jobject result)) | |
| 740 functionEnterExceptionAllowed(thr); | |
| 741 jobject res = UNCHECKED()->PopLocalFrame(env, result); | |
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742 functionExit(thr); |
| 0 | 743 return res; |
| 744 JNI_END | |
| 745 | |
| 746 JNI_ENTRY_CHECKED(jobject, | |
| 747 checked_jni_NewGlobalRef(JNIEnv *env, | |
| 748 jobject lobj)) | |
| 749 functionEnter(thr); | |
| 750 IN_VM( | |
| 751 if (lobj != NULL) { | |
| 752 jniCheck::validate_handle(thr, lobj); | |
| 753 } | |
| 754 ) | |
| 755 jobject result = UNCHECKED()->NewGlobalRef(env,lobj); | |
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756 functionExit(thr); |
| 0 | 757 return result; |
| 758 JNI_END | |
| 759 | |
| 760 JNI_ENTRY_CHECKED(void, | |
| 761 checked_jni_DeleteGlobalRef(JNIEnv *env, | |
| 762 jobject gref)) | |
| 763 functionEnterExceptionAllowed(thr); | |
| 764 IN_VM( | |
| 765 jniCheck::validate_object(thr, gref); | |
| 766 if (gref && !JNIHandles::is_global_handle(gref)) { | |
| 767 ReportJNIFatalError(thr, | |
| 768 "Invalid global JNI handle passed to DeleteGlobalRef"); | |
| 769 } | |
| 770 ) | |
| 771 UNCHECKED()->DeleteGlobalRef(env,gref); | |
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772 functionExit(thr); |
| 0 | 773 JNI_END |
| 774 | |
| 775 JNI_ENTRY_CHECKED(void, | |
| 776 checked_jni_DeleteLocalRef(JNIEnv *env, | |
| 777 jobject obj)) | |
| 778 functionEnterExceptionAllowed(thr); | |
| 779 IN_VM( | |
| 780 jniCheck::validate_object(thr, obj); | |
| 781 if (obj && !(JNIHandles::is_local_handle(thr, obj) || | |
| 782 JNIHandles::is_frame_handle(thr, obj))) | |
| 783 ReportJNIFatalError(thr, | |
| 784 "Invalid local JNI handle passed to DeleteLocalRef"); | |
| 785 ) | |
| 786 UNCHECKED()->DeleteLocalRef(env, obj); | |
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787 functionExit(thr); |
| 0 | 788 JNI_END |
| 789 | |
| 790 JNI_ENTRY_CHECKED(jboolean, | |
| 791 checked_jni_IsSameObject(JNIEnv *env, | |
| 792 jobject obj1, | |
| 793 jobject obj2)) | |
| 794 functionEnterExceptionAllowed(thr); | |
| 795 IN_VM( | |
| 796 /* This JNI function can be used to compare weak global references | |
| 797 * to NULL objects. If the handles are valid, but contain NULL, | |
| 798 * then don't attempt to validate the object. | |
| 799 */ | |
| 800 if (obj1 != NULL && jniCheck::validate_handle(thr, obj1) != NULL) { | |
| 801 jniCheck::validate_object(thr, obj1); | |
| 802 } | |
| 803 if (obj2 != NULL && jniCheck::validate_handle(thr, obj2) != NULL) { | |
| 804 jniCheck::validate_object(thr, obj2); | |
| 805 } | |
| 806 ) | |
| 807 jboolean result = UNCHECKED()->IsSameObject(env,obj1,obj2); | |
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808 functionExit(thr); |
| 0 | 809 return result; |
| 810 JNI_END | |
| 811 | |
| 812 JNI_ENTRY_CHECKED(jobject, | |
| 813 checked_jni_NewLocalRef(JNIEnv *env, | |
| 814 jobject ref)) | |
| 815 functionEnter(thr); | |
| 816 IN_VM( | |
| 817 if (ref != NULL) { | |
| 818 jniCheck::validate_handle(thr, ref); | |
| 819 } | |
| 820 ) | |
| 821 jobject result = UNCHECKED()->NewLocalRef(env, ref); | |
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822 functionExit(thr); |
| 0 | 823 return result; |
| 824 JNI_END | |
| 825 | |
| 826 JNI_ENTRY_CHECKED(jint, | |
| 827 checked_jni_EnsureLocalCapacity(JNIEnv *env, | |
| 828 jint capacity)) | |
| 829 functionEnter(thr); | |
| 830 if (capacity < 0) { | |
| 831 NativeReportJNIFatalError(thr, "negative capacity"); | |
| 832 } | |
| 833 jint result = UNCHECKED()->EnsureLocalCapacity(env, capacity); | |
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834 if (result == JNI_OK) { |
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835 add_planned_handle_capacity(thr->active_handles(), capacity); |
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836 } |
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837 functionExit(thr); |
| 0 | 838 return result; |
| 839 JNI_END | |
| 840 | |
| 841 JNI_ENTRY_CHECKED(jobject, | |
| 842 checked_jni_AllocObject(JNIEnv *env, | |
| 843 jclass clazz)) | |
| 844 functionEnter(thr); | |
| 845 IN_VM( | |
| 846 jniCheck::validate_class(thr, clazz, false); | |
| 847 ) | |
| 848 jobject result = UNCHECKED()->AllocObject(env,clazz); | |
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849 functionExit(thr); |
| 0 | 850 return result; |
| 851 JNI_END | |
| 852 | |
| 853 JNI_ENTRY_CHECKED(jobject, | |
| 854 checked_jni_NewObject(JNIEnv *env, | |
| 855 jclass clazz, | |
| 856 jmethodID methodID, | |
| 857 ...)) | |
| 858 functionEnter(thr); | |
| 859 va_list args; | |
| 860 IN_VM( | |
| 861 jniCheck::validate_class(thr, clazz, false); | |
| 862 jniCheck::validate_jmethod_id(thr, methodID); | |
| 863 ) | |
| 864 va_start(args, methodID); | |
| 865 jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args); | |
| 866 va_end(args); | |
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867 functionExit(thr); |
| 0 | 868 return result; |
| 869 JNI_END | |
| 870 | |
| 871 JNI_ENTRY_CHECKED(jobject, | |
| 872 checked_jni_NewObjectV(JNIEnv *env, | |
| 873 jclass clazz, | |
| 874 jmethodID methodID, | |
| 875 va_list args)) | |
| 876 functionEnter(thr); | |
| 877 IN_VM( | |
| 878 jniCheck::validate_class(thr, clazz, false); | |
| 879 jniCheck::validate_jmethod_id(thr, methodID); | |
| 880 ) | |
| 881 jobject result = UNCHECKED()->NewObjectV(env,clazz,methodID,args); | |
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882 functionExit(thr); |
| 0 | 883 return result; |
| 884 JNI_END | |
| 885 | |
| 886 JNI_ENTRY_CHECKED(jobject, | |
| 887 checked_jni_NewObjectA(JNIEnv *env, | |
| 888 jclass clazz, | |
| 889 jmethodID methodID, | |
| 890 const jvalue *args)) | |
| 891 functionEnter(thr); | |
| 892 IN_VM( | |
| 893 jniCheck::validate_class(thr, clazz, false); | |
| 894 jniCheck::validate_jmethod_id(thr, methodID); | |
| 895 ) | |
| 896 jobject result = UNCHECKED()->NewObjectA(env,clazz,methodID,args); | |
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897 functionExit(thr); |
| 0 | 898 return result; |
| 899 JNI_END | |
| 900 | |
| 901 JNI_ENTRY_CHECKED(jclass, | |
| 902 checked_jni_GetObjectClass(JNIEnv *env, | |
| 903 jobject obj)) | |
| 904 functionEnter(thr); | |
| 905 IN_VM( | |
| 906 jniCheck::validate_object(thr, obj); | |
| 907 ) | |
| 908 jclass result = UNCHECKED()->GetObjectClass(env,obj); | |
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909 functionExit(thr); |
| 0 | 910 return result; |
| 911 JNI_END | |
| 912 | |
| 913 JNI_ENTRY_CHECKED(jboolean, | |
| 914 checked_jni_IsInstanceOf(JNIEnv *env, | |
| 915 jobject obj, | |
| 916 jclass clazz)) | |
| 917 functionEnter(thr); | |
| 918 IN_VM( | |
| 919 jniCheck::validate_object(thr, obj); | |
| 920 jniCheck::validate_class(thr, clazz, true); | |
| 921 ) | |
| 922 jboolean result = UNCHECKED()->IsInstanceOf(env,obj,clazz); | |
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923 functionExit(thr); |
| 0 | 924 return result; |
| 925 JNI_END | |
| 926 | |
| 927 JNI_ENTRY_CHECKED(jmethodID, | |
| 928 checked_jni_GetMethodID(JNIEnv *env, | |
| 929 jclass clazz, | |
| 930 const char *name, | |
| 931 const char *sig)) | |
| 932 functionEnter(thr); | |
| 933 IN_VM( | |
| 934 jniCheck::validate_class(thr, clazz, false); | |
| 935 ) | |
| 936 jmethodID result = UNCHECKED()->GetMethodID(env,clazz,name,sig); | |
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937 functionExit(thr); |
| 0 | 938 return result; |
| 939 JNI_END | |
| 940 | |
| 941 #define WRAPPER_CallMethod(ResultType, Result) \ | |
| 942 JNI_ENTRY_CHECKED(ResultType, \ | |
| 943 checked_jni_Call##Result##Method(JNIEnv *env, \ | |
| 944 jobject obj, \ | |
| 945 jmethodID methodID, \ | |
| 946 ...)) \ | |
| 947 functionEnter(thr); \ | |
| 948 va_list args; \ | |
| 949 IN_VM( \ | |
| 950 jniCheck::validate_call_object(thr, obj, methodID); \ | |
| 951 ) \ | |
| 952 va_start(args,methodID); \ | |
| 953 ResultType result =UNCHECKED()->Call##Result##MethodV(env, obj, methodID, \ | |
| 954 args); \ | |
| 955 va_end(args); \ | |
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956 thr->set_pending_jni_exception_check("Call"#Result"Method"); \ |
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957 functionExit(thr); \ |
| 0 | 958 return result; \ |
| 959 JNI_END \ | |
| 960 \ | |
| 961 JNI_ENTRY_CHECKED(ResultType, \ | |
| 962 checked_jni_Call##Result##MethodV(JNIEnv *env, \ | |
| 963 jobject obj, \ | |
| 964 jmethodID methodID, \ | |
| 965 va_list args)) \ | |
| 966 functionEnter(thr); \ | |
| 967 IN_VM(\ | |
| 968 jniCheck::validate_call_object(thr, obj, methodID); \ | |
| 969 ) \ | |
| 970 ResultType result = UNCHECKED()->Call##Result##MethodV(env, obj, methodID,\ | |
| 971 args); \ | |
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972 thr->set_pending_jni_exception_check("Call"#Result"MethodV"); \ |
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973 functionExit(thr); \ |
| 0 | 974 return result; \ |
| 975 JNI_END \ | |
| 976 \ | |
| 977 JNI_ENTRY_CHECKED(ResultType, \ | |
| 978 checked_jni_Call##Result##MethodA(JNIEnv *env, \ | |
| 979 jobject obj, \ | |
| 980 jmethodID methodID, \ | |
| 981 const jvalue * args)) \ | |
| 982 functionEnter(thr); \ | |
| 983 IN_VM( \ | |
| 984 jniCheck::validate_call_object(thr, obj, methodID); \ | |
| 985 ) \ | |
| 986 ResultType result = UNCHECKED()->Call##Result##MethodA(env, obj, methodID,\ | |
| 987 args); \ | |
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988 thr->set_pending_jni_exception_check("Call"#Result"MethodA"); \ |
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989 functionExit(thr); \ |
| 0 | 990 return result; \ |
| 991 JNI_END | |
| 992 | |
| 993 WRAPPER_CallMethod(jobject,Object) | |
| 994 WRAPPER_CallMethod(jboolean,Boolean) | |
| 995 WRAPPER_CallMethod(jbyte,Byte) | |
| 996 WRAPPER_CallMethod(jshort,Short) | |
| 997 WRAPPER_CallMethod(jchar,Char) | |
| 998 WRAPPER_CallMethod(jint,Int) | |
| 999 WRAPPER_CallMethod(jlong,Long) | |
| 1000 WRAPPER_CallMethod(jfloat,Float) | |
| 1001 WRAPPER_CallMethod(jdouble,Double) | |
| 1002 | |
| 1003 JNI_ENTRY_CHECKED(void, | |
| 1004 checked_jni_CallVoidMethod(JNIEnv *env, \ | |
| 1005 jobject obj, \ | |
| 1006 jmethodID methodID, \ | |
| 1007 ...)) | |
| 1008 functionEnter(thr); | |
| 1009 va_list args; | |
| 1010 IN_VM( | |
| 1011 jniCheck::validate_call_object(thr, obj, methodID); | |
| 1012 ) | |
| 1013 va_start(args,methodID); | |
| 1014 UNCHECKED()->CallVoidMethodV(env,obj,methodID,args); | |
| 1015 va_end(args); | |
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1016 thr->set_pending_jni_exception_check("CallVoidMethod"); |
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1017 functionExit(thr); |
| 0 | 1018 JNI_END |
| 1019 | |
| 1020 JNI_ENTRY_CHECKED(void, | |
| 1021 checked_jni_CallVoidMethodV(JNIEnv *env, | |
| 1022 jobject obj, | |
| 1023 jmethodID methodID, | |
| 1024 va_list args)) | |
| 1025 functionEnter(thr); | |
| 1026 IN_VM( | |
| 1027 jniCheck::validate_call_object(thr, obj, methodID); | |
| 1028 ) | |
| 1029 UNCHECKED()->CallVoidMethodV(env,obj,methodID,args); | |
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1030 thr->set_pending_jni_exception_check("CallVoidMethodV"); |
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1031 functionExit(thr); |
| 0 | 1032 JNI_END |
| 1033 | |
| 1034 JNI_ENTRY_CHECKED(void, | |
| 1035 checked_jni_CallVoidMethodA(JNIEnv *env, | |
| 1036 jobject obj, | |
| 1037 jmethodID methodID, | |
| 1038 const jvalue * args)) | |
| 1039 functionEnter(thr); | |
| 1040 IN_VM( | |
| 1041 jniCheck::validate_call_object(thr, obj, methodID); | |
| 1042 ) | |
| 1043 UNCHECKED()->CallVoidMethodA(env,obj,methodID,args); | |
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1044 thr->set_pending_jni_exception_check("CallVoidMethodA"); |
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1045 functionExit(thr); |
| 0 | 1046 JNI_END |
| 1047 | |
| 1048 #define WRAPPER_CallNonvirtualMethod(ResultType, Result) \ | |
| 1049 JNI_ENTRY_CHECKED(ResultType, \ | |
| 1050 checked_jni_CallNonvirtual##Result##Method(JNIEnv *env, \ | |
| 1051 jobject obj, \ | |
| 1052 jclass clazz, \ | |
| 1053 jmethodID methodID, \ | |
| 1054 ...)) \ | |
| 1055 functionEnter(thr); \ | |
| 1056 va_list args; \ | |
| 1057 IN_VM( \ | |
| 1058 jniCheck::validate_call_object(thr, obj, methodID); \ | |
| 1059 jniCheck::validate_call_class(thr, clazz, methodID); \ | |
| 1060 ) \ | |
| 1061 va_start(args,methodID); \ | |
| 1062 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \ | |
| 1063 obj, \ | |
| 1064 clazz, \ | |
| 1065 methodID,\ | |
| 1066 args); \ | |
| 1067 va_end(args); \ | |
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1068 thr->set_pending_jni_exception_check("CallNonvirtual"#Result"Method"); \ |
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1069 functionExit(thr); \ |
| 0 | 1070 return result; \ |
| 1071 JNI_END \ | |
| 1072 \ | |
| 1073 JNI_ENTRY_CHECKED(ResultType, \ | |
| 1074 checked_jni_CallNonvirtual##Result##MethodV(JNIEnv *env, \ | |
| 1075 jobject obj, \ | |
| 1076 jclass clazz, \ | |
| 1077 jmethodID methodID, \ | |
| 1078 va_list args)) \ | |
| 1079 functionEnter(thr); \ | |
| 1080 IN_VM( \ | |
| 1081 jniCheck::validate_call_object(thr, obj, methodID); \ | |
| 1082 jniCheck::validate_call_class(thr, clazz, methodID); \ | |
| 1083 ) \ | |
| 1084 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodV(env, \ | |
| 1085 obj, \ | |
| 1086 clazz, \ | |
| 1087 methodID,\ | |
| 1088 args); \ | |
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1089 thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodV"); \ |
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1090 functionExit(thr); \ |
| 0 | 1091 return result; \ |
| 1092 JNI_END \ | |
| 1093 \ | |
| 1094 JNI_ENTRY_CHECKED(ResultType, \ | |
| 1095 checked_jni_CallNonvirtual##Result##MethodA(JNIEnv *env, \ | |
| 1096 jobject obj, \ | |
| 1097 jclass clazz, \ | |
| 1098 jmethodID methodID, \ | |
| 1099 const jvalue * args)) \ | |
| 1100 functionEnter(thr); \ | |
| 1101 IN_VM( \ | |
| 1102 jniCheck::validate_call_object(thr, obj, methodID); \ | |
| 1103 jniCheck::validate_call_class(thr, clazz, methodID); \ | |
| 1104 ) \ | |
| 1105 ResultType result = UNCHECKED()->CallNonvirtual##Result##MethodA(env, \ | |
| 1106 obj, \ | |
| 1107 clazz, \ | |
| 1108 methodID,\ | |
| 1109 args); \ | |
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1110 thr->set_pending_jni_exception_check("CallNonvirtual"#Result"MethodA"); \ |
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1111 functionExit(thr); \ |
| 0 | 1112 return result; \ |
| 1113 JNI_END | |
| 1114 | |
| 1115 WRAPPER_CallNonvirtualMethod(jobject,Object) | |
| 1116 WRAPPER_CallNonvirtualMethod(jboolean,Boolean) | |
| 1117 WRAPPER_CallNonvirtualMethod(jbyte,Byte) | |
| 1118 WRAPPER_CallNonvirtualMethod(jshort,Short) | |
| 1119 WRAPPER_CallNonvirtualMethod(jchar,Char) | |
| 1120 WRAPPER_CallNonvirtualMethod(jint,Int) | |
| 1121 WRAPPER_CallNonvirtualMethod(jlong,Long) | |
| 1122 WRAPPER_CallNonvirtualMethod(jfloat,Float) | |
| 1123 WRAPPER_CallNonvirtualMethod(jdouble,Double) | |
| 1124 | |
| 1125 JNI_ENTRY_CHECKED(void, | |
| 1126 checked_jni_CallNonvirtualVoidMethod(JNIEnv *env, | |
| 1127 jobject obj, | |
| 1128 jclass clazz, | |
| 1129 jmethodID methodID, | |
| 1130 ...)) | |
| 1131 functionEnter(thr); | |
| 1132 va_list args; | |
| 1133 IN_VM( | |
| 1134 jniCheck::validate_call_object(thr, obj, methodID); | |
| 1135 jniCheck::validate_call_class(thr, clazz, methodID); | |
| 1136 ) | |
| 1137 va_start(args,methodID); | |
| 1138 UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args); | |
| 1139 va_end(args); | |
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1140 thr->set_pending_jni_exception_check("CallNonvirtualVoidMethod"); |
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1141 functionExit(thr); |
| 0 | 1142 JNI_END |
| 1143 | |
| 1144 JNI_ENTRY_CHECKED(void, | |
| 1145 checked_jni_CallNonvirtualVoidMethodV(JNIEnv *env, | |
| 1146 jobject obj, | |
| 1147 jclass clazz, | |
| 1148 jmethodID methodID, | |
| 1149 va_list args)) | |
| 1150 functionEnter(thr); | |
| 1151 IN_VM( | |
| 1152 jniCheck::validate_call_object(thr, obj, methodID); | |
| 1153 jniCheck::validate_call_class(thr, clazz, methodID); | |
| 1154 ) | |
| 1155 UNCHECKED()->CallNonvirtualVoidMethodV(env,obj,clazz,methodID,args); | |
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1156 thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodV"); |
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1157 functionExit(thr); |
| 0 | 1158 JNI_END |
| 1159 | |
| 1160 JNI_ENTRY_CHECKED(void, | |
| 1161 checked_jni_CallNonvirtualVoidMethodA(JNIEnv *env, | |
| 1162 jobject obj, | |
| 1163 jclass clazz, | |
| 1164 jmethodID methodID, | |
| 1165 const jvalue * args)) | |
| 1166 functionEnter(thr); | |
| 1167 IN_VM( | |
| 1168 jniCheck::validate_call_object(thr, obj, methodID); | |
| 1169 jniCheck::validate_call_class(thr, clazz, methodID); | |
| 1170 ) | |
| 1171 UNCHECKED()->CallNonvirtualVoidMethodA(env,obj,clazz,methodID,args); | |
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1172 thr->set_pending_jni_exception_check("CallNonvirtualVoidMethodA"); |
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1173 functionExit(thr); |
| 0 | 1174 JNI_END |
| 1175 | |
| 1176 JNI_ENTRY_CHECKED(jfieldID, | |
| 1177 checked_jni_GetFieldID(JNIEnv *env, | |
| 1178 jclass clazz, | |
| 1179 const char *name, | |
| 1180 const char *sig)) | |
| 1181 functionEnter(thr); | |
| 1182 IN_VM( | |
| 1183 jniCheck::validate_class(thr, clazz, false); | |
| 1184 ) | |
| 1185 jfieldID result = UNCHECKED()->GetFieldID(env,clazz,name,sig); | |
|
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1186 functionExit(thr); |
| 0 | 1187 return result; |
| 1188 JNI_END | |
| 1189 | |
| 1190 #define WRAPPER_GetField(ReturnType,Result,FieldType) \ | |
| 1191 JNI_ENTRY_CHECKED(ReturnType, \ | |
| 1192 checked_jni_Get##Result##Field(JNIEnv *env, \ | |
| 1193 jobject obj, \ | |
| 1194 jfieldID fieldID)) \ | |
| 1195 functionEnter(thr); \ | |
| 1196 IN_VM( \ | |
| 1197 checkInstanceFieldID(thr, fieldID, obj, FieldType); \ | |
| 1198 ) \ | |
| 1199 ReturnType result = UNCHECKED()->Get##Result##Field(env,obj,fieldID); \ | |
|
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1200 functionExit(thr); \ |
| 0 | 1201 return result; \ |
| 1202 JNI_END | |
| 1203 | |
| 1204 WRAPPER_GetField(jobject, Object, T_OBJECT) | |
| 1205 WRAPPER_GetField(jboolean, Boolean, T_BOOLEAN) | |
| 1206 WRAPPER_GetField(jbyte, Byte, T_BYTE) | |
| 1207 WRAPPER_GetField(jshort, Short, T_SHORT) | |
| 1208 WRAPPER_GetField(jchar, Char, T_CHAR) | |
| 1209 WRAPPER_GetField(jint, Int, T_INT) | |
| 1210 WRAPPER_GetField(jlong, Long, T_LONG) | |
| 1211 WRAPPER_GetField(jfloat, Float, T_FLOAT) | |
| 1212 WRAPPER_GetField(jdouble, Double, T_DOUBLE) | |
| 1213 | |
| 1214 #define WRAPPER_SetField(ValueType,Result,FieldType) \ | |
| 1215 JNI_ENTRY_CHECKED(void, \ | |
| 1216 checked_jni_Set##Result##Field(JNIEnv *env, \ | |
| 1217 jobject obj, \ | |
| 1218 jfieldID fieldID, \ | |
| 1219 ValueType val)) \ | |
| 1220 functionEnter(thr); \ | |
| 1221 IN_VM( \ | |
| 1222 checkInstanceFieldID(thr, fieldID, obj, FieldType); \ | |
| 1223 ) \ | |
| 1224 UNCHECKED()->Set##Result##Field(env,obj,fieldID,val); \ | |
|
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1225 functionExit(thr); \ |
| 0 | 1226 JNI_END |
| 1227 | |
| 1228 WRAPPER_SetField(jobject, Object, T_OBJECT) | |
| 1229 WRAPPER_SetField(jboolean, Boolean, T_BOOLEAN) | |
| 1230 WRAPPER_SetField(jbyte, Byte, T_BYTE) | |
| 1231 WRAPPER_SetField(jshort, Short, T_SHORT) | |
| 1232 WRAPPER_SetField(jchar, Char, T_CHAR) | |
| 1233 WRAPPER_SetField(jint, Int, T_INT) | |
| 1234 WRAPPER_SetField(jlong, Long, T_LONG) | |
| 1235 WRAPPER_SetField(jfloat, Float, T_FLOAT) | |
| 1236 WRAPPER_SetField(jdouble, Double, T_DOUBLE) | |
| 1237 | |
| 1238 | |
| 1239 JNI_ENTRY_CHECKED(jmethodID, | |
| 1240 checked_jni_GetStaticMethodID(JNIEnv *env, | |
| 1241 jclass clazz, | |
| 1242 const char *name, | |
| 1243 const char *sig)) | |
| 1244 functionEnter(thr); | |
| 1245 IN_VM( | |
| 1246 jniCheck::validate_class(thr, clazz, false); | |
| 1247 ) | |
| 1248 jmethodID result = UNCHECKED()->GetStaticMethodID(env,clazz,name,sig); | |
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1249 functionExit(thr); |
| 0 | 1250 return result; |
| 1251 JNI_END | |
| 1252 | |
| 1253 #define WRAPPER_CallStaticMethod(ReturnType,Result) \ | |
| 1254 JNI_ENTRY_CHECKED(ReturnType, \ | |
| 1255 checked_jni_CallStatic##Result##Method(JNIEnv *env, \ | |
| 1256 jclass clazz, \ | |
| 1257 jmethodID methodID, \ | |
| 1258 ...)) \ | |
| 1259 functionEnter(thr); \ | |
| 1260 va_list args; \ | |
| 1261 IN_VM( \ | |
| 1262 jniCheck::validate_jmethod_id(thr, methodID); \ | |
| 1263 jniCheck::validate_class(thr, clazz, false); \ | |
| 1264 ) \ | |
| 1265 va_start(args,methodID); \ | |
| 1266 ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \ | |
| 1267 clazz, \ | |
| 1268 methodID, \ | |
| 1269 args); \ | |
| 1270 va_end(args); \ | |
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1271 thr->set_pending_jni_exception_check("CallStatic"#Result"Method"); \ |
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1272 functionExit(thr); \ |
| 0 | 1273 return result; \ |
| 1274 JNI_END \ | |
| 1275 \ | |
| 1276 JNI_ENTRY_CHECKED(ReturnType, \ | |
| 1277 checked_jni_CallStatic##Result##MethodV(JNIEnv *env, \ | |
| 1278 jclass clazz, \ | |
| 1279 jmethodID methodID,\ | |
| 1280 va_list args)) \ | |
| 1281 functionEnter(thr); \ | |
| 1282 IN_VM( \ | |
| 1283 jniCheck::validate_jmethod_id(thr, methodID); \ | |
| 1284 jniCheck::validate_class(thr, clazz, false); \ | |
| 1285 ) \ | |
| 1286 ReturnType result = UNCHECKED()->CallStatic##Result##MethodV(env, \ | |
| 1287 clazz, \ | |
| 1288 methodID, \ | |
| 1289 args); \ | |
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1290 thr->set_pending_jni_exception_check("CallStatic"#Result"MethodV"); \ |
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1291 functionExit(thr); \ |
| 0 | 1292 return result; \ |
| 1293 JNI_END \ | |
| 1294 \ | |
| 1295 JNI_ENTRY_CHECKED(ReturnType, \ | |
| 1296 checked_jni_CallStatic##Result##MethodA(JNIEnv *env, \ | |
| 1297 jclass clazz, \ | |
| 1298 jmethodID methodID, \ | |
| 1299 const jvalue *args)) \ | |
| 1300 functionEnter(thr); \ | |
| 1301 IN_VM( \ | |
| 1302 jniCheck::validate_jmethod_id(thr, methodID); \ | |
| 1303 jniCheck::validate_class(thr, clazz, false); \ | |
| 1304 ) \ | |
| 1305 ReturnType result = UNCHECKED()->CallStatic##Result##MethodA(env, \ | |
| 1306 clazz, \ | |
| 1307 methodID, \ | |
| 1308 args); \ | |
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1309 thr->set_pending_jni_exception_check("CallStatic"#Result"MethodA"); \ |
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1310 functionExit(thr); \ |
| 0 | 1311 return result; \ |
| 1312 JNI_END | |
| 1313 | |
| 1314 WRAPPER_CallStaticMethod(jobject,Object) | |
| 1315 WRAPPER_CallStaticMethod(jboolean,Boolean) | |
| 1316 WRAPPER_CallStaticMethod(jbyte,Byte) | |
| 1317 WRAPPER_CallStaticMethod(jshort,Short) | |
| 1318 WRAPPER_CallStaticMethod(jchar,Char) | |
| 1319 WRAPPER_CallStaticMethod(jint,Int) | |
| 1320 WRAPPER_CallStaticMethod(jlong,Long) | |
| 1321 WRAPPER_CallStaticMethod(jfloat,Float) | |
| 1322 WRAPPER_CallStaticMethod(jdouble,Double) | |
| 1323 | |
| 1324 JNI_ENTRY_CHECKED(void, | |
| 1325 checked_jni_CallStaticVoidMethod(JNIEnv *env, | |
| 1326 jclass cls, | |
| 1327 jmethodID methodID, | |
| 1328 ...)) | |
| 1329 functionEnter(thr); | |
| 1330 va_list args; | |
| 1331 IN_VM( | |
| 1332 jniCheck::validate_jmethod_id(thr, methodID); | |
| 1333 jniCheck::validate_class(thr, cls, false); | |
| 1334 ) | |
| 1335 va_start(args,methodID); | |
| 1336 UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args); | |
| 1337 va_end(args); | |
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1338 thr->set_pending_jni_exception_check("CallStaticVoidMethod"); |
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1339 functionExit(thr); |
| 0 | 1340 JNI_END |
| 1341 | |
| 1342 JNI_ENTRY_CHECKED(void, | |
| 1343 checked_jni_CallStaticVoidMethodV(JNIEnv *env, | |
| 1344 jclass cls, | |
| 1345 jmethodID methodID, | |
| 1346 va_list args)) | |
| 1347 functionEnter(thr); | |
| 1348 IN_VM( | |
| 1349 jniCheck::validate_jmethod_id(thr, methodID); | |
| 1350 jniCheck::validate_class(thr, cls, false); | |
| 1351 ) | |
| 1352 UNCHECKED()->CallStaticVoidMethodV(env,cls,methodID,args); | |
|
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1353 thr->set_pending_jni_exception_check("CallStaticVoidMethodV"); |
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1354 functionExit(thr); |
| 0 | 1355 JNI_END |
| 1356 | |
| 1357 JNI_ENTRY_CHECKED(void, | |
| 1358 checked_jni_CallStaticVoidMethodA(JNIEnv *env, | |
| 1359 jclass cls, | |
| 1360 jmethodID methodID, | |
| 1361 const jvalue * args)) | |
| 1362 functionEnter(thr); | |
| 1363 IN_VM( | |
| 1364 jniCheck::validate_jmethod_id(thr, methodID); | |
| 1365 jniCheck::validate_class(thr, cls, false); | |
| 1366 ) | |
| 1367 UNCHECKED()->CallStaticVoidMethodA(env,cls,methodID,args); | |
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1368 thr->set_pending_jni_exception_check("CallStaticVoidMethodA"); |
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1369 functionExit(thr); |
| 0 | 1370 JNI_END |
| 1371 | |
| 1372 JNI_ENTRY_CHECKED(jfieldID, | |
| 1373 checked_jni_GetStaticFieldID(JNIEnv *env, | |
| 1374 jclass clazz, | |
| 1375 const char *name, | |
| 1376 const char *sig)) | |
| 1377 functionEnter(thr); | |
| 1378 IN_VM( | |
| 1379 jniCheck::validate_class(thr, clazz, false); | |
| 1380 ) | |
| 1381 jfieldID result = UNCHECKED()->GetStaticFieldID(env,clazz,name,sig); | |
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1382 functionExit(thr); |
| 0 | 1383 return result; |
| 1384 JNI_END | |
| 1385 | |
| 1386 #define WRAPPER_GetStaticField(ReturnType,Result,FieldType) \ | |
| 1387 JNI_ENTRY_CHECKED(ReturnType, \ | |
| 1388 checked_jni_GetStatic##Result##Field(JNIEnv *env, \ | |
| 1389 jclass clazz, \ | |
| 1390 jfieldID fieldID)) \ | |
| 1391 functionEnter(thr); \ | |
| 1392 IN_VM( \ | |
| 1393 jniCheck::validate_class(thr, clazz, false); \ | |
| 1394 checkStaticFieldID(thr, fieldID, clazz, FieldType); \ | |
| 1395 ) \ | |
| 1396 ReturnType result = UNCHECKED()->GetStatic##Result##Field(env, \ | |
| 1397 clazz, \ | |
| 1398 fieldID); \ | |
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1399 functionExit(thr); \ |
| 0 | 1400 return result; \ |
| 1401 JNI_END | |
| 1402 | |
| 1403 WRAPPER_GetStaticField(jobject, Object, T_OBJECT) | |
| 1404 WRAPPER_GetStaticField(jboolean, Boolean, T_BOOLEAN) | |
| 1405 WRAPPER_GetStaticField(jbyte, Byte, T_BYTE) | |
| 1406 WRAPPER_GetStaticField(jshort, Short, T_SHORT) | |
| 1407 WRAPPER_GetStaticField(jchar, Char, T_CHAR) | |
| 1408 WRAPPER_GetStaticField(jint, Int, T_INT) | |
| 1409 WRAPPER_GetStaticField(jlong, Long, T_LONG) | |
| 1410 WRAPPER_GetStaticField(jfloat, Float, T_FLOAT) | |
| 1411 WRAPPER_GetStaticField(jdouble, Double, T_DOUBLE) | |
| 1412 | |
| 1413 #define WRAPPER_SetStaticField(ValueType,Result,FieldType) \ | |
| 1414 JNI_ENTRY_CHECKED(void, \ | |
| 1415 checked_jni_SetStatic##Result##Field(JNIEnv *env, \ | |
| 1416 jclass clazz, \ | |
| 1417 jfieldID fieldID, \ | |
| 1418 ValueType value)) \ | |
| 1419 functionEnter(thr); \ | |
| 1420 IN_VM( \ | |
| 1421 jniCheck::validate_class(thr, clazz, false); \ | |
| 1422 checkStaticFieldID(thr, fieldID, clazz, FieldType); \ | |
| 1423 ) \ | |
| 1424 UNCHECKED()->SetStatic##Result##Field(env,clazz,fieldID,value); \ | |
|
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1425 functionExit(thr); \ |
| 0 | 1426 JNI_END |
| 1427 | |
| 1428 WRAPPER_SetStaticField(jobject, Object, T_OBJECT) | |
| 1429 WRAPPER_SetStaticField(jboolean, Boolean, T_BOOLEAN) | |
| 1430 WRAPPER_SetStaticField(jbyte, Byte, T_BYTE) | |
| 1431 WRAPPER_SetStaticField(jshort, Short, T_SHORT) | |
| 1432 WRAPPER_SetStaticField(jchar, Char, T_CHAR) | |
| 1433 WRAPPER_SetStaticField(jint, Int, T_INT) | |
| 1434 WRAPPER_SetStaticField(jlong, Long, T_LONG) | |
| 1435 WRAPPER_SetStaticField(jfloat, Float, T_FLOAT) | |
| 1436 WRAPPER_SetStaticField(jdouble, Double, T_DOUBLE) | |
| 1437 | |
| 1438 | |
| 1439 JNI_ENTRY_CHECKED(jstring, | |
| 1440 checked_jni_NewString(JNIEnv *env, | |
| 1441 const jchar *unicode, | |
| 1442 jsize len)) | |
| 1443 functionEnter(thr); | |
| 1444 jstring result = UNCHECKED()->NewString(env,unicode,len); | |
|
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1445 functionExit(thr); |
| 0 | 1446 return result; |
| 1447 JNI_END | |
| 1448 | |
| 1449 JNI_ENTRY_CHECKED(jsize, | |
| 1450 checked_jni_GetStringLength(JNIEnv *env, | |
| 1451 jstring str)) | |
| 1452 functionEnter(thr); | |
| 1453 IN_VM( | |
| 1454 checkString(thr, str); | |
| 1455 ) | |
| 1456 jsize result = UNCHECKED()->GetStringLength(env,str); | |
|
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1457 functionExit(thr); |
| 0 | 1458 return result; |
| 1459 JNI_END | |
| 1460 | |
|
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1461 // Arbitrary (but well-known) tag |
|
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1462 const void* STRING_TAG = (void*)0x47114711; |
|
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1463 |
| 0 | 1464 JNI_ENTRY_CHECKED(const jchar *, |
| 1465 checked_jni_GetStringChars(JNIEnv *env, | |
| 1466 jstring str, | |
| 1467 jboolean *isCopy)) | |
| 1468 functionEnter(thr); | |
| 1469 IN_VM( | |
| 1470 checkString(thr, str); | |
| 1471 ) | |
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1472 jchar* new_result = NULL; |
| 0 | 1473 const jchar *result = UNCHECKED()->GetStringChars(env,str,isCopy); |
|
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1474 assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringChars didn't return a copy as expected"); |
|
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1475 if (result != NULL) { |
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1476 size_t len = UNCHECKED()->GetStringLength(env,str) + 1; // + 1 for NULL termination |
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1477 len *= sizeof(jchar); |
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1478 new_result = (jchar*) GuardedMemory::wrap_copy(result, len, STRING_TAG); |
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1479 if (new_result == NULL) { |
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1480 vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringChars"); |
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1481 } |
|
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1482 // Avoiding call to UNCHECKED()->ReleaseStringChars() since that will fire unexpected dtrace probes |
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1483 // Note that the dtrace arguments for the allocated memory will not match up with this solution. |
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1484 FreeHeap((char*)result); |
|
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1485 } |
|
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1486 functionExit(thr); |
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1487 return new_result; |
| 0 | 1488 JNI_END |
| 1489 | |
| 1490 JNI_ENTRY_CHECKED(void, | |
| 1491 checked_jni_ReleaseStringChars(JNIEnv *env, | |
| 1492 jstring str, | |
| 1493 const jchar *chars)) | |
| 1494 functionEnterExceptionAllowed(thr); | |
| 1495 IN_VM( | |
| 1496 checkString(thr, str); | |
| 1497 ) | |
|
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1498 if (chars == NULL) { |
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1499 // still do the unchecked call to allow dtrace probes |
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1500 UNCHECKED()->ReleaseStringChars(env,str,chars); |
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1501 } |
|
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1502 else { |
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1503 GuardedMemory guarded((void*)chars); |
|
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1504 if (!guarded.verify_guards()) { |
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1505 tty->print_cr("ReleaseStringChars: release chars failed bounds check. " |
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1506 "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars)); |
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1507 guarded.print_on(tty); |
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|
1508 NativeReportJNIFatalError(thr, "ReleaseStringChars: " |
|
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|
1509 "release chars failed bounds check."); |
|
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|
1510 } |
|
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|
1511 if (guarded.get_tag() != STRING_TAG) { |
|
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|
1512 tty->print_cr("ReleaseStringChars: called on something not allocated " |
|
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6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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|
1513 "by GetStringChars. string: " PTR_FORMAT " chars: " PTR_FORMAT, |
|
fa62fb12cdca
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|
1514 p2i(str), p2i(chars)); |
|
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6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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|
1515 NativeReportJNIFatalError(thr, "ReleaseStringChars called on something " |
|
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6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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|
1516 "not allocated by GetStringChars"); |
|
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|
1517 } |
|
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|
1518 UNCHECKED()->ReleaseStringChars(env, str, |
|
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|
1519 (const jchar*) guarded.release_for_freeing()); |
|
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diff
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|
1520 } |
|
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|
1521 functionExit(thr); |
| 0 | 1522 JNI_END |
| 1523 | |
| 1524 JNI_ENTRY_CHECKED(jstring, | |
| 1525 checked_jni_NewStringUTF(JNIEnv *env, | |
| 1526 const char *utf)) | |
| 1527 functionEnter(thr); | |
| 1528 jstring result = UNCHECKED()->NewStringUTF(env,utf); | |
|
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|
1529 functionExit(thr); |
| 0 | 1530 return result; |
| 1531 JNI_END | |
| 1532 | |
| 1533 JNI_ENTRY_CHECKED(jsize, | |
| 1534 checked_jni_GetStringUTFLength(JNIEnv *env, | |
| 1535 jstring str)) | |
| 1536 functionEnter(thr); | |
| 1537 IN_VM( | |
| 1538 checkString(thr, str); | |
| 1539 ) | |
| 1540 jsize result = UNCHECKED()->GetStringUTFLength(env,str); | |
|
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|
1541 functionExit(thr); |
| 0 | 1542 return result; |
| 1543 JNI_END | |
| 1544 | |
|
1989
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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diff
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|
1545 // Arbitrary (but well-known) tag - different than GetStringChars |
|
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|
1546 const void* STRING_UTF_TAG = (void*) 0x48124812; |
|
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diff
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|
1547 |
| 0 | 1548 JNI_ENTRY_CHECKED(const char *, |
| 1549 checked_jni_GetStringUTFChars(JNIEnv *env, | |
| 1550 jstring str, | |
| 1551 jboolean *isCopy)) | |
| 1552 functionEnter(thr); | |
| 1553 IN_VM( | |
| 1554 checkString(thr, str); | |
| 1555 ) | |
|
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|
1556 char* new_result = NULL; |
| 0 | 1557 const char *result = UNCHECKED()->GetStringUTFChars(env,str,isCopy); |
|
1989
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diff
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|
1558 assert (isCopy == NULL || *isCopy == JNI_TRUE, "GetStringUTFChars didn't return a copy as expected"); |
|
12819
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|
1559 if (result != NULL) { |
|
f9be370a7d54
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|
1560 size_t len = strlen(result) + 1; // + 1 for NULL termination |
|
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|
1561 new_result = (char*) GuardedMemory::wrap_copy(result, len, STRING_UTF_TAG); |
|
fa62fb12cdca
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|
1562 if (new_result == NULL) { |
|
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|
1563 vm_exit_out_of_memory(len, OOM_MALLOC_ERROR, "checked_jni_GetStringUTFChars"); |
|
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|
1564 } |
|
12819
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|
1565 // Avoiding call to UNCHECKED()->ReleaseStringUTFChars() since that will fire unexpected dtrace probes |
|
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|
1566 // Note that the dtrace arguments for the allocated memory will not match up with this solution. |
|
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|
1567 FreeHeap((char*)result, mtInternal); |
|
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|
1568 } |
|
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|
1569 functionExit(thr); |
|
20318
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|
1570 return new_result; |
| 0 | 1571 JNI_END |
| 1572 | |
| 1573 JNI_ENTRY_CHECKED(void, | |
| 1574 checked_jni_ReleaseStringUTFChars(JNIEnv *env, | |
| 1575 jstring str, | |
| 1576 const char* chars)) | |
| 1577 functionEnterExceptionAllowed(thr); | |
| 1578 IN_VM( | |
| 1579 checkString(thr, str); | |
| 1580 ) | |
|
1989
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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diff
changeset
|
1581 if (chars == NULL) { |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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diff
changeset
|
1582 // 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
|
1583 UNCHECKED()->ReleaseStringUTFChars(env,str,chars); |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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diff
changeset
|
1584 } |
|
017cd8bce8a8
6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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diff
changeset
|
1585 else { |
|
20318
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|
1586 GuardedMemory guarded((void*)chars); |
|
20319
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8046662: Check JNI ReleaseStringChars / ReleaseStringUTFChars verify_guards test inverted
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changeset
|
1587 if (!guarded.verify_guards()) { |
|
20318
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6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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|
1588 tty->print_cr("ReleaseStringUTFChars: release chars failed bounds check. " |
|
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|
1589 "string: " PTR_FORMAT " chars: " PTR_FORMAT, p2i(str), p2i(chars)); |
|
fa62fb12cdca
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|
1590 guarded.print_on(tty); |
|
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|
1591 NativeReportJNIFatalError(thr, "ReleaseStringUTFChars: " |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1592 "release chars failed bounds check."); |
|
fa62fb12cdca
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|
1593 } |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1594 if (guarded.get_tag() != STRING_UTF_TAG) { |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1595 tty->print_cr("ReleaseStringUTFChars: called on something not " |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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diff
changeset
|
1596 "allocated by GetStringUTFChars. string: " PTR_FORMAT " chars: " |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1597 PTR_FORMAT, p2i(str), p2i(chars)); |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1598 NativeReportJNIFatalError(thr, "ReleaseStringUTFChars " |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1599 "called on something not allocated by GetStringUTFChars"); |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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|
1600 } |
|
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|
1601 UNCHECKED()->ReleaseStringUTFChars(env, str, |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1602 (const char*) guarded.release_for_freeing()); |
|
1989
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6539281: -Xcheck:jni should validate char* argument to ReleaseStringUTFChars
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parents:
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diff
changeset
|
1603 } |
|
22877
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|
1604 functionExit(thr); |
| 0 | 1605 JNI_END |
| 1606 | |
| 1607 JNI_ENTRY_CHECKED(jsize, | |
| 1608 checked_jni_GetArrayLength(JNIEnv *env, | |
| 1609 jarray array)) | |
| 1610 functionEnter(thr); | |
| 1611 IN_VM( | |
|
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|
1612 check_is_array(thr, array); |
| 0 | 1613 ) |
| 1614 jsize result = UNCHECKED()->GetArrayLength(env,array); | |
|
22877
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|
1615 functionExit(thr); |
| 0 | 1616 return result; |
| 1617 JNI_END | |
| 1618 | |
| 1619 JNI_ENTRY_CHECKED(jobjectArray, | |
| 1620 checked_jni_NewObjectArray(JNIEnv *env, | |
| 1621 jsize len, | |
| 1622 jclass clazz, | |
| 1623 jobject init)) | |
| 1624 functionEnter(thr); | |
| 1625 jobjectArray result = UNCHECKED()->NewObjectArray(env,len,clazz,init); | |
|
22877
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changeset
|
1626 functionExit(thr); |
| 0 | 1627 return result; |
| 1628 JNI_END | |
| 1629 | |
| 1630 JNI_ENTRY_CHECKED(jobject, | |
| 1631 checked_jni_GetObjectArrayElement(JNIEnv *env, | |
| 1632 jobjectArray array, | |
| 1633 jsize index)) | |
| 1634 functionEnter(thr); | |
| 1635 IN_VM( | |
|
11145
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|
1636 check_is_obj_array(thr, array); |
| 0 | 1637 ) |
| 1638 jobject result = UNCHECKED()->GetObjectArrayElement(env,array,index); | |
|
22877
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changeset
|
1639 functionExit(thr); |
| 0 | 1640 return result; |
| 1641 JNI_END | |
| 1642 | |
| 1643 JNI_ENTRY_CHECKED(void, | |
| 1644 checked_jni_SetObjectArrayElement(JNIEnv *env, | |
| 1645 jobjectArray array, | |
| 1646 jsize index, | |
| 1647 jobject val)) | |
| 1648 functionEnter(thr); | |
| 1649 IN_VM( | |
|
11145
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mgerdin
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6983
diff
changeset
|
1650 check_is_obj_array(thr, array); |
| 0 | 1651 ) |
| 1652 UNCHECKED()->SetObjectArrayElement(env,array,index,val); | |
|
22877
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changeset
|
1653 functionExit(thr); |
| 0 | 1654 JNI_END |
| 1655 | |
| 1656 #define WRAPPER_NewScalarArray(Return, Result) \ | |
| 1657 JNI_ENTRY_CHECKED(Return, \ | |
| 1658 checked_jni_New##Result##Array(JNIEnv *env, \ | |
| 1659 jsize len)) \ | |
| 1660 functionEnter(thr); \ | |
| 1661 Return result = UNCHECKED()->New##Result##Array(env,len); \ | |
|
22877
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|
1662 functionExit(thr); \ |
| 0 | 1663 return (Return) result; \ |
| 1664 JNI_END | |
| 1665 | |
| 1666 WRAPPER_NewScalarArray(jbooleanArray, Boolean) | |
| 1667 WRAPPER_NewScalarArray(jbyteArray, Byte) | |
| 1668 WRAPPER_NewScalarArray(jshortArray, Short) | |
| 1669 WRAPPER_NewScalarArray(jcharArray, Char) | |
| 1670 WRAPPER_NewScalarArray(jintArray, Int) | |
| 1671 WRAPPER_NewScalarArray(jlongArray, Long) | |
| 1672 WRAPPER_NewScalarArray(jfloatArray, Float) | |
| 1673 WRAPPER_NewScalarArray(jdoubleArray, Double) | |
| 1674 | |
| 1675 #define WRAPPER_GetScalarArrayElements(ElementTag,ElementType,Result) \ | |
| 1676 JNI_ENTRY_CHECKED(ElementType *, \ | |
| 1677 checked_jni_Get##Result##ArrayElements(JNIEnv *env, \ | |
| 1678 ElementType##Array array, \ | |
| 1679 jboolean *isCopy)) \ | |
| 1680 functionEnter(thr); \ | |
| 1681 IN_VM( \ | |
|
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|
1682 check_primitive_array_type(thr, array, ElementTag); \ |
| 0 | 1683 ) \ |
| 1684 ElementType *result = UNCHECKED()->Get##Result##ArrayElements(env, \ | |
| 1685 array, \ | |
| 1686 isCopy); \ | |
|
20318
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|
1687 if (result != NULL) { \ |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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|
1688 result = (ElementType *) check_jni_wrap_copy_array(thr, array, result); \ |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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|
1689 } \ |
|
22877
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|
1690 functionExit(thr); \ |
| 0 | 1691 return result; \ |
| 1692 JNI_END | |
| 1693 | |
| 1694 WRAPPER_GetScalarArrayElements(T_BOOLEAN, jboolean, Boolean) | |
| 1695 WRAPPER_GetScalarArrayElements(T_BYTE, jbyte, Byte) | |
| 1696 WRAPPER_GetScalarArrayElements(T_SHORT, jshort, Short) | |
| 1697 WRAPPER_GetScalarArrayElements(T_CHAR, jchar, Char) | |
| 1698 WRAPPER_GetScalarArrayElements(T_INT, jint, Int) | |
| 1699 WRAPPER_GetScalarArrayElements(T_LONG, jlong, Long) | |
| 1700 WRAPPER_GetScalarArrayElements(T_FLOAT, jfloat, Float) | |
| 1701 WRAPPER_GetScalarArrayElements(T_DOUBLE, jdouble, Double) | |
| 1702 | |
| 1703 #define WRAPPER_ReleaseScalarArrayElements(ElementTag,ElementType,Result,Tag) \ | |
| 1704 JNI_ENTRY_CHECKED(void, \ | |
| 1705 checked_jni_Release##Result##ArrayElements(JNIEnv *env, \ | |
| 1706 ElementType##Array array, \ | |
| 1707 ElementType *elems, \ | |
| 1708 jint mode)) \ | |
| 1709 functionEnterExceptionAllowed(thr); \ | |
| 1710 IN_VM( \ | |
|
11145
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changeset
|
1711 check_primitive_array_type(thr, array, ElementTag); \ |
| 0 | 1712 ASSERT_OOPS_ALLOWED; \ |
| 1713 typeArrayOop a = typeArrayOop(JNIHandles::resolve_non_null(array)); \ | |
| 1714 ) \ | |
|
20318
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6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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changeset
|
1715 ElementType* orig_result = (ElementType *) check_wrapped_array_release( \ |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
dsimms
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20197
diff
changeset
|
1716 thr, "checked_jni_Release"#Result"ArrayElements", array, elems, mode); \ |
|
fa62fb12cdca
6311046: -Xcheck:jni should support checking of GetPrimitiveArrayCritical.
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|
1717 UNCHECKED()->Release##Result##ArrayElements(env, array, orig_result, mode); \ |
|
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diff
changeset
|
1718 functionExit(thr); \ |
| 0 | 1719 JNI_END |
| 1720 | |
| 1721 WRAPPER_ReleaseScalarArrayElements(T_BOOLEAN,jboolean, Boolean, bool) | |
| 1722 WRAPPER_ReleaseScalarArrayElements(T_BYTE, jbyte, Byte, byte) | |
| 1723 WRAPPER_ReleaseScalarArrayElements(T_SHORT, jshort, Short, short) | |
| 1724 WRAPPER_ReleaseScalarArrayElements(T_CHAR, jchar, Char, char) | |
| 1725 WRAPPER_ReleaseScalarArrayElements(T_INT, jint, Int, int) | |
| 1726 WRAPPER_ReleaseScalarArrayElements(T_LONG, jlong, Long, long) | |
| 1727 WRAPPER_ReleaseScalarArrayElements(T_FLOAT, jfloat, Float, float) | |
| 1728 WRAPPER_ReleaseScalarArrayElements(T_DOUBLE, jdouble, Double, double) | |
| 1729 | |
| 1730 #define WRAPPER_GetScalarArrayRegion(ElementTag,ElementType,Result) \ | |
| 1731 JNI_ENTRY_CHECKED(void, \ | |
| 1732 checked_jni_Get##Result##ArrayRegion(JNIEnv *env, \ | |
| 1733 ElementType##Array array, \ | |
| 1734 jsize start, \ | |
| 1735 jsize len, \ | |
| 1736 ElementType *buf)) \ | |
| 1737 functionEnter(thr); \ | |
| 1738 IN_VM( \ | |
|
11145
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diff
changeset
|
1739 check_primitive_array_type(thr, array, ElementTag); \ |
| 0 | 1740 ) \ |
| 1741 UNCHECKED()->Get##Result##ArrayRegion(env,array,start,len,buf); \ | |
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1742 functionExit(thr); \ |
| 0 | 1743 JNI_END |
| 1744 | |
| 1745 WRAPPER_GetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean) | |
| 1746 WRAPPER_GetScalarArrayRegion(T_BYTE, jbyte, Byte) | |
| 1747 WRAPPER_GetScalarArrayRegion(T_SHORT, jshort, Short) | |
| 1748 WRAPPER_GetScalarArrayRegion(T_CHAR, jchar, Char) | |
| 1749 WRAPPER_GetScalarArrayRegion(T_INT, jint, Int) | |
| 1750 WRAPPER_GetScalarArrayRegion(T_LONG, jlong, Long) | |
| 1751 WRAPPER_GetScalarArrayRegion(T_FLOAT, jfloat, Float) | |
| 1752 WRAPPER_GetScalarArrayRegion(T_DOUBLE, jdouble, Double) | |
| 1753 | |
| 1754 #define WRAPPER_SetScalarArrayRegion(ElementTag,ElementType,Result) \ | |
| 1755 JNI_ENTRY_CHECKED(void, \ | |
| 1756 checked_jni_Set##Result##ArrayRegion(JNIEnv *env, \ | |
| 1757 ElementType##Array array, \ | |
| 1758 jsize start, \ | |
| 1759 jsize len, \ | |
| 1760 const ElementType *buf)) \ | |
| 1761 functionEnter(thr); \ | |
| 1762 IN_VM( \ | |
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1763 check_primitive_array_type(thr, array, ElementTag); \ |
| 0 | 1764 ) \ |
| 1765 UNCHECKED()->Set##Result##ArrayRegion(env,array,start,len,buf); \ | |
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1766 functionExit(thr); \ |
| 0 | 1767 JNI_END |
| 1768 | |
| 1769 WRAPPER_SetScalarArrayRegion(T_BOOLEAN, jboolean, Boolean) | |
| 1770 WRAPPER_SetScalarArrayRegion(T_BYTE, jbyte, Byte) | |
| 1771 WRAPPER_SetScalarArrayRegion(T_SHORT, jshort, Short) | |
| 1772 WRAPPER_SetScalarArrayRegion(T_CHAR, jchar, Char) | |
| 1773 WRAPPER_SetScalarArrayRegion(T_INT, jint, Int) | |
| 1774 WRAPPER_SetScalarArrayRegion(T_LONG, jlong, Long) | |
| 1775 WRAPPER_SetScalarArrayRegion(T_FLOAT, jfloat, Float) | |
| 1776 WRAPPER_SetScalarArrayRegion(T_DOUBLE, jdouble, Double) | |
| 1777 | |
| 1778 JNI_ENTRY_CHECKED(jint, | |
| 1779 checked_jni_RegisterNatives(JNIEnv *env, | |
| 1780 jclass clazz, | |
| 1781 const JNINativeMethod *methods, | |
| 1782 jint nMethods)) | |
| 1783 functionEnter(thr); | |
| 1784 jint result = UNCHECKED()->RegisterNatives(env,clazz,methods,nMethods); | |
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1785 functionExit(thr); |
| 0 | 1786 return result; |
| 1787 JNI_END | |
| 1788 | |
| 1789 JNI_ENTRY_CHECKED(jint, | |
| 1790 checked_jni_UnregisterNatives(JNIEnv *env, | |
| 1791 jclass clazz)) | |
| 1792 functionEnter(thr); | |
| 1793 jint result = UNCHECKED()->UnregisterNatives(env,clazz); | |
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1794 functionExit(thr); |
| 0 | 1795 return result; |
| 1796 JNI_END | |
| 1797 | |
| 1798 JNI_ENTRY_CHECKED(jint, | |
| 1799 checked_jni_MonitorEnter(JNIEnv *env, | |
| 1800 jobject obj)) | |
| 1801 functionEnter(thr); | |
| 1802 IN_VM( | |
| 1803 jniCheck::validate_object(thr, obj); | |
| 1804 ) | |
| 1805 jint result = UNCHECKED()->MonitorEnter(env,obj); | |
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1806 functionExit(thr); |
| 0 | 1807 return result; |
| 1808 JNI_END | |
| 1809 | |
| 1810 JNI_ENTRY_CHECKED(jint, | |
| 1811 checked_jni_MonitorExit(JNIEnv *env, | |
| 1812 jobject obj)) | |
| 1813 functionEnterExceptionAllowed(thr); | |
| 1814 IN_VM( | |
| 1815 jniCheck::validate_object(thr, obj); | |
| 1816 ) | |
| 1817 jint result = UNCHECKED()->MonitorExit(env,obj); | |
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1818 functionExit(thr); |
| 0 | 1819 return result; |
| 1820 JNI_END | |
| 1821 | |
| 1822 JNI_ENTRY_CHECKED(jint, | |
| 1823 checked_jni_GetJavaVM(JNIEnv *env, | |
| 1824 JavaVM **vm)) | |
| 1825 functionEnter(thr); | |
| 1826 jint result = UNCHECKED()->GetJavaVM(env,vm); | |
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1827 functionExit(thr); |
| 0 | 1828 return result; |
| 1829 JNI_END | |
| 1830 | |
| 1831 JNI_ENTRY_CHECKED(void, | |
| 1832 checked_jni_GetStringRegion(JNIEnv *env, | |
| 1833 jstring str, | |
| 1834 jsize start, | |
| 1835 jsize len, | |
| 1836 jchar *buf)) | |
| 1837 functionEnter(thr); | |
| 1838 IN_VM( | |
| 1839 checkString(thr, str); | |
| 1840 ) | |
| 1841 UNCHECKED()->GetStringRegion(env, str, start, len, buf); | |
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1842 functionExit(thr); |
| 0 | 1843 JNI_END |
| 1844 | |
| 1845 JNI_ENTRY_CHECKED(void, | |
| 1846 checked_jni_GetStringUTFRegion(JNIEnv *env, | |
| 1847 jstring str, | |
| 1848 jsize start, | |
| 1849 jsize len, | |
| 1850 char *buf)) | |
| 1851 functionEnter(thr); | |
| 1852 IN_VM( | |
| 1853 checkString(thr, str); | |
| 1854 ) | |
| 1855 UNCHECKED()->GetStringUTFRegion(env, str, start, len, buf); | |
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1856 functionExit(thr); |
| 0 | 1857 JNI_END |
| 1858 | |
| 1859 JNI_ENTRY_CHECKED(void *, | |
| 1860 checked_jni_GetPrimitiveArrayCritical(JNIEnv *env, | |
| 1861 jarray array, | |
| 1862 jboolean *isCopy)) | |
| 1863 functionEnterCritical(thr); | |
| 1864 IN_VM( | |
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1865 check_is_primitive_array(thr, array); |
| 0 | 1866 ) |
| 1867 void *result = UNCHECKED()->GetPrimitiveArrayCritical(env, array, isCopy); | |
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1868 if (result != NULL) { |
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1869 result = check_jni_wrap_copy_array(thr, array, result); |
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1870 } |
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1871 functionExit(thr); |
| 0 | 1872 return result; |
| 1873 JNI_END | |
| 1874 | |
| 1875 JNI_ENTRY_CHECKED(void, | |
| 1876 checked_jni_ReleasePrimitiveArrayCritical(JNIEnv *env, | |
| 1877 jarray array, | |
| 1878 void *carray, | |
| 1879 jint mode)) | |
| 1880 functionEnterCriticalExceptionAllowed(thr); | |
| 1881 IN_VM( | |
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1882 check_is_primitive_array(thr, array); |
| 0 | 1883 ) |
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1884 // Check the element array... |
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1885 void* orig_result = check_wrapped_array_release(thr, "ReleasePrimitiveArrayCritical", array, carray, mode); |
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1886 UNCHECKED()->ReleasePrimitiveArrayCritical(env, array, orig_result, mode); |
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1887 functionExit(thr); |
| 0 | 1888 JNI_END |
| 1889 | |
| 1890 JNI_ENTRY_CHECKED(const jchar*, | |
| 1891 checked_jni_GetStringCritical(JNIEnv *env, | |
| 1892 jstring string, | |
| 1893 jboolean *isCopy)) | |
| 1894 functionEnterCritical(thr); | |
| 1895 IN_VM( | |
| 1896 checkString(thr, string); | |
| 1897 ) | |
| 1898 const jchar *result = UNCHECKED()->GetStringCritical(env, string, isCopy); | |
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1899 functionExit(thr); |
| 0 | 1900 return result; |
| 1901 JNI_END | |
| 1902 | |
| 1903 JNI_ENTRY_CHECKED(void, | |
| 1904 checked_jni_ReleaseStringCritical(JNIEnv *env, | |
| 1905 jstring str, | |
| 1906 const jchar *chars)) | |
| 1907 functionEnterCriticalExceptionAllowed(thr); | |
| 1908 IN_VM( | |
| 1909 checkString(thr, str); | |
| 1910 ) | |
| 1911 /* The Hotspot JNI code does not use the parameters, so just check the | |
| 1912 * string parameter as a minor sanity check | |
| 1913 */ | |
| 1914 UNCHECKED()->ReleaseStringCritical(env, str, chars); | |
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1915 functionExit(thr); |
| 0 | 1916 JNI_END |
| 1917 | |
| 1918 JNI_ENTRY_CHECKED(jweak, | |
| 1919 checked_jni_NewWeakGlobalRef(JNIEnv *env, | |
| 1920 jobject obj)) | |
| 1921 functionEnter(thr); | |
| 1922 IN_VM( | |
| 1923 if (obj != NULL) { | |
| 1924 jniCheck::validate_handle(thr, obj); | |
| 1925 } | |
| 1926 ) | |
| 1927 jweak result = UNCHECKED()->NewWeakGlobalRef(env, obj); | |
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1928 functionExit(thr); |
| 0 | 1929 return result; |
| 1930 JNI_END | |
| 1931 | |
| 1932 JNI_ENTRY_CHECKED(void, | |
| 1933 checked_jni_DeleteWeakGlobalRef(JNIEnv *env, | |
| 1934 jweak ref)) | |
| 1935 functionEnterExceptionAllowed(thr); | |
| 1936 UNCHECKED()->DeleteWeakGlobalRef(env, ref); | |
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1937 functionExit(thr); |
| 0 | 1938 JNI_END |
| 1939 | |
| 1940 JNI_ENTRY_CHECKED(jboolean, | |
| 1941 checked_jni_ExceptionCheck(JNIEnv *env)) | |
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1942 thr->clear_pending_jni_exception_check(); |
| 0 | 1943 functionEnterExceptionAllowed(thr); |
| 1944 jboolean result = UNCHECKED()->ExceptionCheck(env); | |
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1945 functionExit(thr); |
| 0 | 1946 return result; |
| 1947 JNI_END | |
| 1948 | |
| 1949 JNI_ENTRY_CHECKED(jobject, | |
| 1950 checked_jni_NewDirectByteBuffer(JNIEnv *env, | |
| 1951 void *address, | |
| 1952 jlong capacity)) | |
| 1953 functionEnter(thr); | |
| 1954 jobject result = UNCHECKED()->NewDirectByteBuffer(env, address, capacity); | |
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1955 functionExit(thr); |
| 0 | 1956 return result; |
| 1957 JNI_END | |
| 1958 | |
| 1959 JNI_ENTRY_CHECKED(void *, | |
| 1960 checked_jni_GetDirectBufferAddress(JNIEnv *env, | |
| 1961 jobject buf)) | |
| 1962 functionEnter(thr); | |
| 1963 void* result = UNCHECKED()->GetDirectBufferAddress(env, buf); | |
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1964 functionExit(thr); |
| 0 | 1965 return result; |
| 1966 JNI_END | |
| 1967 | |
| 1968 JNI_ENTRY_CHECKED(jlong, | |
| 1969 checked_jni_GetDirectBufferCapacity(JNIEnv *env, | |
| 1970 jobject buf)) | |
| 1971 functionEnter(thr); | |
| 1972 jlong result = UNCHECKED()->GetDirectBufferCapacity(env, buf); | |
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1973 functionExit(thr); |
| 0 | 1974 return result; |
| 1975 JNI_END | |
| 1976 | |
| 1977 JNI_ENTRY_CHECKED(jobjectRefType, | |
| 1978 checked_jni_GetObjectRefType(JNIEnv *env, | |
| 1979 jobject obj)) | |
| 1980 functionEnter(thr); | |
| 1981 /* validate the object being passed */ | |
| 1982 IN_VM( | |
| 1983 jniCheck::validate_object(thr, obj); | |
| 1984 ) | |
| 1985 jobjectRefType result = UNCHECKED()->GetObjectRefType(env, obj); | |
|
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1986 functionExit(thr); |
| 0 | 1987 return result; |
| 1988 JNI_END | |
| 1989 | |
| 1990 | |
| 1991 JNI_ENTRY_CHECKED(jint, | |
| 1992 checked_jni_GetVersion(JNIEnv *env)) | |
| 1993 functionEnter(thr); | |
| 1994 jint result = UNCHECKED()->GetVersion(env); | |
|
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1995 functionExit(thr); |
| 0 | 1996 return result; |
| 1997 JNI_END | |
| 1998 | |
| 1999 | |
| 2000 | |
| 2001 /* | |
| 2002 * Structure containing all checked jni functions | |
| 2003 */ | |
| 2004 struct JNINativeInterface_ checked_jni_NativeInterface = { | |
| 2005 NULL, | |
| 2006 NULL, | |
| 2007 NULL, | |
| 2008 | |
| 2009 NULL, | |
| 2010 | |
| 2011 checked_jni_GetVersion, | |
| 2012 | |
| 2013 checked_jni_DefineClass, | |
| 2014 checked_jni_FindClass, | |
| 2015 | |
| 2016 checked_jni_FromReflectedMethod, | |
| 2017 checked_jni_FromReflectedField, | |
| 2018 | |
| 2019 checked_jni_ToReflectedMethod, | |
| 2020 | |
| 2021 checked_jni_GetSuperclass, | |
| 2022 checked_jni_IsAssignableFrom, | |
| 2023 | |
| 2024 checked_jni_ToReflectedField, | |
| 2025 | |
| 2026 checked_jni_Throw, | |
| 2027 checked_jni_ThrowNew, | |
| 2028 checked_jni_ExceptionOccurred, | |
| 2029 checked_jni_ExceptionDescribe, | |
| 2030 checked_jni_ExceptionClear, | |
| 2031 checked_jni_FatalError, | |
| 2032 | |
| 2033 checked_jni_PushLocalFrame, | |
| 2034 checked_jni_PopLocalFrame, | |
| 2035 | |
| 2036 checked_jni_NewGlobalRef, | |
| 2037 checked_jni_DeleteGlobalRef, | |
| 2038 checked_jni_DeleteLocalRef, | |
| 2039 checked_jni_IsSameObject, | |
| 2040 | |
| 2041 checked_jni_NewLocalRef, | |
| 2042 checked_jni_EnsureLocalCapacity, | |
| 2043 | |
| 2044 checked_jni_AllocObject, | |
| 2045 checked_jni_NewObject, | |
| 2046 checked_jni_NewObjectV, | |
| 2047 checked_jni_NewObjectA, | |
| 2048 | |
| 2049 checked_jni_GetObjectClass, | |
| 2050 checked_jni_IsInstanceOf, | |
| 2051 | |
| 2052 checked_jni_GetMethodID, | |
| 2053 | |
| 2054 checked_jni_CallObjectMethod, | |
| 2055 checked_jni_CallObjectMethodV, | |
| 2056 checked_jni_CallObjectMethodA, | |
| 2057 checked_jni_CallBooleanMethod, | |
| 2058 checked_jni_CallBooleanMethodV, | |
| 2059 checked_jni_CallBooleanMethodA, | |
| 2060 checked_jni_CallByteMethod, | |
| 2061 checked_jni_CallByteMethodV, | |
| 2062 checked_jni_CallByteMethodA, | |
| 2063 checked_jni_CallCharMethod, | |
| 2064 checked_jni_CallCharMethodV, | |
| 2065 checked_jni_CallCharMethodA, | |
| 2066 checked_jni_CallShortMethod, | |
| 2067 checked_jni_CallShortMethodV, | |
| 2068 checked_jni_CallShortMethodA, | |
| 2069 checked_jni_CallIntMethod, | |
| 2070 checked_jni_CallIntMethodV, | |
| 2071 checked_jni_CallIntMethodA, | |
| 2072 checked_jni_CallLongMethod, | |
| 2073 checked_jni_CallLongMethodV, | |
| 2074 checked_jni_CallLongMethodA, | |
| 2075 checked_jni_CallFloatMethod, | |
| 2076 checked_jni_CallFloatMethodV, | |
| 2077 checked_jni_CallFloatMethodA, | |
| 2078 checked_jni_CallDoubleMethod, | |
| 2079 checked_jni_CallDoubleMethodV, | |
| 2080 checked_jni_CallDoubleMethodA, | |
| 2081 checked_jni_CallVoidMethod, | |
| 2082 checked_jni_CallVoidMethodV, | |
| 2083 checked_jni_CallVoidMethodA, | |
| 2084 | |
| 2085 checked_jni_CallNonvirtualObjectMethod, | |
| 2086 checked_jni_CallNonvirtualObjectMethodV, | |
| 2087 checked_jni_CallNonvirtualObjectMethodA, | |
| 2088 checked_jni_CallNonvirtualBooleanMethod, | |
| 2089 checked_jni_CallNonvirtualBooleanMethodV, | |
| 2090 checked_jni_CallNonvirtualBooleanMethodA, | |
| 2091 checked_jni_CallNonvirtualByteMethod, | |
| 2092 checked_jni_CallNonvirtualByteMethodV, | |
| 2093 checked_jni_CallNonvirtualByteMethodA, | |
| 2094 checked_jni_CallNonvirtualCharMethod, | |
| 2095 checked_jni_CallNonvirtualCharMethodV, | |
| 2096 checked_jni_CallNonvirtualCharMethodA, | |
| 2097 checked_jni_CallNonvirtualShortMethod, | |
| 2098 checked_jni_CallNonvirtualShortMethodV, | |
| 2099 checked_jni_CallNonvirtualShortMethodA, | |
| 2100 checked_jni_CallNonvirtualIntMethod, | |
| 2101 checked_jni_CallNonvirtualIntMethodV, | |
| 2102 checked_jni_CallNonvirtualIntMethodA, | |
| 2103 checked_jni_CallNonvirtualLongMethod, | |
| 2104 checked_jni_CallNonvirtualLongMethodV, | |
| 2105 checked_jni_CallNonvirtualLongMethodA, | |
| 2106 checked_jni_CallNonvirtualFloatMethod, | |
| 2107 checked_jni_CallNonvirtualFloatMethodV, | |
| 2108 checked_jni_CallNonvirtualFloatMethodA, | |
| 2109 checked_jni_CallNonvirtualDoubleMethod, | |
| 2110 checked_jni_CallNonvirtualDoubleMethodV, | |
| 2111 checked_jni_CallNonvirtualDoubleMethodA, | |
| 2112 checked_jni_CallNonvirtualVoidMethod, | |
| 2113 checked_jni_CallNonvirtualVoidMethodV, | |
| 2114 checked_jni_CallNonvirtualVoidMethodA, | |
| 2115 | |
| 2116 checked_jni_GetFieldID, | |
| 2117 | |
| 2118 checked_jni_GetObjectField, | |
| 2119 checked_jni_GetBooleanField, | |
| 2120 checked_jni_GetByteField, | |
| 2121 checked_jni_GetCharField, | |
| 2122 checked_jni_GetShortField, | |
| 2123 checked_jni_GetIntField, | |
| 2124 checked_jni_GetLongField, | |
| 2125 checked_jni_GetFloatField, | |
| 2126 checked_jni_GetDoubleField, | |
| 2127 | |
| 2128 checked_jni_SetObjectField, | |
| 2129 checked_jni_SetBooleanField, | |
| 2130 checked_jni_SetByteField, | |
| 2131 checked_jni_SetCharField, | |
| 2132 checked_jni_SetShortField, | |
| 2133 checked_jni_SetIntField, | |
| 2134 checked_jni_SetLongField, | |
| 2135 checked_jni_SetFloatField, | |
| 2136 checked_jni_SetDoubleField, | |
| 2137 | |
| 2138 checked_jni_GetStaticMethodID, | |
| 2139 | |
| 2140 checked_jni_CallStaticObjectMethod, | |
| 2141 checked_jni_CallStaticObjectMethodV, | |
| 2142 checked_jni_CallStaticObjectMethodA, | |
| 2143 checked_jni_CallStaticBooleanMethod, | |
| 2144 checked_jni_CallStaticBooleanMethodV, | |
| 2145 checked_jni_CallStaticBooleanMethodA, | |
| 2146 checked_jni_CallStaticByteMethod, | |
| 2147 checked_jni_CallStaticByteMethodV, | |
| 2148 checked_jni_CallStaticByteMethodA, | |
| 2149 checked_jni_CallStaticCharMethod, | |
| 2150 checked_jni_CallStaticCharMethodV, | |
| 2151 checked_jni_CallStaticCharMethodA, | |
| 2152 checked_jni_CallStaticShortMethod, | |
| 2153 checked_jni_CallStaticShortMethodV, | |
| 2154 checked_jni_CallStaticShortMethodA, | |
| 2155 checked_jni_CallStaticIntMethod, | |
| 2156 checked_jni_CallStaticIntMethodV, | |
| 2157 checked_jni_CallStaticIntMethodA, | |
| 2158 checked_jni_CallStaticLongMethod, | |
| 2159 checked_jni_CallStaticLongMethodV, | |
| 2160 checked_jni_CallStaticLongMethodA, | |
| 2161 checked_jni_CallStaticFloatMethod, | |
| 2162 checked_jni_CallStaticFloatMethodV, | |
| 2163 checked_jni_CallStaticFloatMethodA, | |
| 2164 checked_jni_CallStaticDoubleMethod, | |
| 2165 checked_jni_CallStaticDoubleMethodV, | |
| 2166 checked_jni_CallStaticDoubleMethodA, | |
| 2167 checked_jni_CallStaticVoidMethod, | |
| 2168 checked_jni_CallStaticVoidMethodV, | |
| 2169 checked_jni_CallStaticVoidMethodA, | |
| 2170 | |
| 2171 checked_jni_GetStaticFieldID, | |
| 2172 | |
| 2173 checked_jni_GetStaticObjectField, | |
| 2174 checked_jni_GetStaticBooleanField, | |
| 2175 checked_jni_GetStaticByteField, | |
| 2176 checked_jni_GetStaticCharField, | |
| 2177 checked_jni_GetStaticShortField, | |
| 2178 checked_jni_GetStaticIntField, | |
| 2179 checked_jni_GetStaticLongField, | |
| 2180 checked_jni_GetStaticFloatField, | |
| 2181 checked_jni_GetStaticDoubleField, | |
| 2182 | |
| 2183 checked_jni_SetStaticObjectField, | |
| 2184 checked_jni_SetStaticBooleanField, | |
| 2185 checked_jni_SetStaticByteField, | |
| 2186 checked_jni_SetStaticCharField, | |
| 2187 checked_jni_SetStaticShortField, | |
| 2188 checked_jni_SetStaticIntField, | |
| 2189 checked_jni_SetStaticLongField, | |
| 2190 checked_jni_SetStaticFloatField, | |
| 2191 checked_jni_SetStaticDoubleField, | |
| 2192 | |
| 2193 checked_jni_NewString, | |
| 2194 checked_jni_GetStringLength, | |
| 2195 checked_jni_GetStringChars, | |
| 2196 checked_jni_ReleaseStringChars, | |
| 2197 | |
| 2198 checked_jni_NewStringUTF, | |
| 2199 checked_jni_GetStringUTFLength, | |
| 2200 checked_jni_GetStringUTFChars, | |
| 2201 checked_jni_ReleaseStringUTFChars, | |
| 2202 | |
| 2203 checked_jni_GetArrayLength, | |
| 2204 | |
| 2205 checked_jni_NewObjectArray, | |
| 2206 checked_jni_GetObjectArrayElement, | |
| 2207 checked_jni_SetObjectArrayElement, | |
| 2208 | |
| 2209 checked_jni_NewBooleanArray, | |
| 2210 checked_jni_NewByteArray, | |
| 2211 checked_jni_NewCharArray, | |
| 2212 checked_jni_NewShortArray, | |
| 2213 checked_jni_NewIntArray, | |
| 2214 checked_jni_NewLongArray, | |
| 2215 checked_jni_NewFloatArray, | |
| 2216 checked_jni_NewDoubleArray, | |
| 2217 | |
| 2218 checked_jni_GetBooleanArrayElements, | |
| 2219 checked_jni_GetByteArrayElements, | |
| 2220 checked_jni_GetCharArrayElements, | |
| 2221 checked_jni_GetShortArrayElements, | |
| 2222 checked_jni_GetIntArrayElements, | |
| 2223 checked_jni_GetLongArrayElements, | |
| 2224 checked_jni_GetFloatArrayElements, | |
| 2225 checked_jni_GetDoubleArrayElements, | |
| 2226 | |
| 2227 checked_jni_ReleaseBooleanArrayElements, | |
| 2228 checked_jni_ReleaseByteArrayElements, | |
| 2229 checked_jni_ReleaseCharArrayElements, | |
| 2230 checked_jni_ReleaseShortArrayElements, | |
| 2231 checked_jni_ReleaseIntArrayElements, | |
| 2232 checked_jni_ReleaseLongArrayElements, | |
| 2233 checked_jni_ReleaseFloatArrayElements, | |
| 2234 checked_jni_ReleaseDoubleArrayElements, | |
| 2235 | |
| 2236 checked_jni_GetBooleanArrayRegion, | |
| 2237 checked_jni_GetByteArrayRegion, | |
| 2238 checked_jni_GetCharArrayRegion, | |
| 2239 checked_jni_GetShortArrayRegion, | |
| 2240 checked_jni_GetIntArrayRegion, | |
| 2241 checked_jni_GetLongArrayRegion, | |
| 2242 checked_jni_GetFloatArrayRegion, | |
| 2243 checked_jni_GetDoubleArrayRegion, | |
| 2244 | |
| 2245 checked_jni_SetBooleanArrayRegion, | |
| 2246 checked_jni_SetByteArrayRegion, | |
| 2247 checked_jni_SetCharArrayRegion, | |
| 2248 checked_jni_SetShortArrayRegion, | |
| 2249 checked_jni_SetIntArrayRegion, | |
| 2250 checked_jni_SetLongArrayRegion, | |
| 2251 checked_jni_SetFloatArrayRegion, | |
| 2252 checked_jni_SetDoubleArrayRegion, | |
| 2253 | |
| 2254 checked_jni_RegisterNatives, | |
| 2255 checked_jni_UnregisterNatives, | |
| 2256 | |
| 2257 checked_jni_MonitorEnter, | |
| 2258 checked_jni_MonitorExit, | |
| 2259 | |
| 2260 checked_jni_GetJavaVM, | |
| 2261 | |
| 2262 checked_jni_GetStringRegion, | |
| 2263 checked_jni_GetStringUTFRegion, | |
| 2264 | |
| 2265 checked_jni_GetPrimitiveArrayCritical, | |
| 2266 checked_jni_ReleasePrimitiveArrayCritical, | |
| 2267 | |
| 2268 checked_jni_GetStringCritical, | |
| 2269 checked_jni_ReleaseStringCritical, | |
| 2270 | |
| 2271 checked_jni_NewWeakGlobalRef, | |
| 2272 checked_jni_DeleteWeakGlobalRef, | |
| 2273 | |
| 2274 checked_jni_ExceptionCheck, | |
| 2275 | |
| 2276 checked_jni_NewDirectByteBuffer, | |
| 2277 checked_jni_GetDirectBufferAddress, | |
| 2278 checked_jni_GetDirectBufferCapacity, | |
| 2279 | |
| 2280 // New 1.6 Features | |
| 2281 | |
| 2282 checked_jni_GetObjectRefType | |
| 2283 }; | |
| 2284 | |
| 2285 | |
| 2286 // Returns the function structure | |
| 2287 struct JNINativeInterface_* jni_functions_check() { | |
| 2288 | |
| 2289 unchecked_jni_NativeInterface = jni_functions_nocheck(); | |
| 2290 | |
| 2291 // make sure the last pointer in the checked table is not null, indicating | |
| 2292 // an addition to the JNINativeInterface_ structure without initializing | |
| 2293 // it in the checked table. | |
| 2294 debug_only(int *lastPtr = (int *)((char *)&checked_jni_NativeInterface + \ | |
| 2295 sizeof(*unchecked_jni_NativeInterface) - sizeof(char *));) | |
| 2296 assert(*lastPtr != 0, | |
| 2297 "Mismatched JNINativeInterface tables, check for new entries"); | |
| 2298 | |
| 2299 // with -verbose:jni this message will print | |
| 2300 if (PrintJNIResolving) { | |
| 2301 tty->print_cr("Checked JNI functions are being used to " \ | |
| 2302 "validate JNI usage"); | |
| 2303 } | |
| 2304 | |
| 2305 return &checked_jni_NativeInterface; | |
| 2306 } |