Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 17 | #include "check_jni.h" |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 18 | |
Andreas Gampe | ef4afe9 | 2015-07-27 21:03:25 -0700 | [diff] [blame] | 19 | #include <iomanip> |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 20 | #include <sys/mman.h> |
| 21 | #include <zlib.h> |
| 22 | |
Andreas Gampe | 46ee31b | 2016-12-14 10:11:49 -0800 | [diff] [blame^] | 23 | #include "android-base/stringprintf.h" |
| 24 | |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 25 | #include "art_field-inl.h" |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 26 | #include "art_method-inl.h" |
Elliott Hughes | 07ed66b | 2012-12-12 18:34:25 -0800 | [diff] [blame] | 27 | #include "base/logging.h" |
Ian Rogers | c7dd295 | 2014-10-21 23:31:19 -0700 | [diff] [blame] | 28 | #include "base/to_str.h" |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 29 | #include "class_linker.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 30 | #include "class_linker-inl.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 31 | #include "dex_file-inl.h" |
Ian Rogers | 1d54e73 | 2013-05-02 21:10:01 -0700 | [diff] [blame] | 32 | #include "gc/space/space.h" |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 33 | #include "java_vm_ext.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 34 | #include "jni_internal.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 35 | #include "mirror/class-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 36 | #include "mirror/object-inl.h" |
| 37 | #include "mirror/object_array-inl.h" |
Ian Rogers | b0fa5dc | 2014-04-28 16:47:08 -0700 | [diff] [blame] | 38 | #include "mirror/string-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 39 | #include "mirror/throwable.h" |
Jeff Hao | 58df327 | 2013-04-22 15:28:53 -0700 | [diff] [blame] | 40 | #include "runtime.h" |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 41 | #include "scoped_thread_state_change-inl.h" |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 42 | #include "thread.h" |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 43 | #include "well_known_classes.h" |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 44 | |
| 45 | namespace art { |
| 46 | |
Andreas Gampe | 46ee31b | 2016-12-14 10:11:49 -0800 | [diff] [blame^] | 47 | using android::base::StringAppendF; |
| 48 | using android::base::StringPrintf; |
| 49 | |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 50 | /* |
| 51 | * =========================================================================== |
| 52 | * JNI function helpers |
| 53 | * =========================================================================== |
| 54 | */ |
| 55 | |
Elliott Hughes | 3f6635a | 2012-06-19 13:37:49 -0700 | [diff] [blame] | 56 | // Flags passed into ScopedCheck. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 57 | #define kFlag_Default 0x0000 |
| 58 | |
Elliott Hughes | 3f6635a | 2012-06-19 13:37:49 -0700 | [diff] [blame] | 59 | #define kFlag_CritBad 0x0000 // Calling while in critical is not allowed. |
| 60 | #define kFlag_CritOkay 0x0001 // Calling while in critical is allowed. |
| 61 | #define kFlag_CritGet 0x0002 // This is a critical "get". |
| 62 | #define kFlag_CritRelease 0x0003 // This is a critical "release". |
| 63 | #define kFlag_CritMask 0x0003 // Bit mask to get "crit" value. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 64 | |
Elliott Hughes | 3f6635a | 2012-06-19 13:37:49 -0700 | [diff] [blame] | 65 | #define kFlag_ExcepBad 0x0000 // Raised exceptions are not allowed. |
| 66 | #define kFlag_ExcepOkay 0x0004 // Raised exceptions are allowed. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 67 | |
Elliott Hughes | 3f6635a | 2012-06-19 13:37:49 -0700 | [diff] [blame] | 68 | #define kFlag_Release 0x0010 // Are we in a non-critical release function? |
| 69 | #define kFlag_NullableUtf 0x0020 // Are our UTF parameters nullable? |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 70 | |
Elliott Hughes | 3f6635a | 2012-06-19 13:37:49 -0700 | [diff] [blame] | 71 | #define kFlag_Invocation 0x8000 // Part of the invocation interface (JavaVM*). |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 72 | |
Elliott Hughes | 485cac4 | 2011-12-09 17:49:35 -0800 | [diff] [blame] | 73 | #define kFlag_ForceTrace 0x80000000 // Add this to a JNI function's flags if you want to trace every call. |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 74 | |
| 75 | class VarArgs; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 76 | /* |
| 77 | * Java primitive types: |
| 78 | * B - jbyte |
| 79 | * C - jchar |
| 80 | * D - jdouble |
| 81 | * F - jfloat |
| 82 | * I - jint |
| 83 | * J - jlong |
| 84 | * S - jshort |
| 85 | * Z - jboolean (shown as true and false) |
| 86 | * V - void |
| 87 | * |
| 88 | * Java reference types: |
| 89 | * L - jobject |
| 90 | * a - jarray |
| 91 | * c - jclass |
| 92 | * s - jstring |
| 93 | * t - jthrowable |
| 94 | * |
| 95 | * JNI types: |
| 96 | * b - jboolean (shown as JNI_TRUE and JNI_FALSE) |
| 97 | * f - jfieldID |
| 98 | * i - JNI error value (JNI_OK, JNI_ERR, JNI_EDETACHED, JNI_EVERSION) |
| 99 | * m - jmethodID |
| 100 | * p - void* |
| 101 | * r - jint (for release mode arguments) |
| 102 | * u - const char* (Modified UTF-8) |
| 103 | * z - jsize (for lengths; use i if negative values are okay) |
| 104 | * v - JavaVM* |
| 105 | * w - jobjectRefType |
| 106 | * E - JNIEnv* |
| 107 | * . - no argument; just print "..." (used for varargs JNI calls) |
| 108 | * |
| 109 | */ |
| 110 | union JniValueType { |
| 111 | jarray a; |
| 112 | jboolean b; |
| 113 | jclass c; |
| 114 | jfieldID f; |
| 115 | jint i; |
| 116 | jmethodID m; |
| 117 | const void* p; // Pointer. |
| 118 | jint r; // Release mode. |
| 119 | jstring s; |
| 120 | jthrowable t; |
| 121 | const char* u; // Modified UTF-8. |
| 122 | JavaVM* v; |
| 123 | jobjectRefType w; |
| 124 | jsize z; |
| 125 | jbyte B; |
| 126 | jchar C; |
| 127 | jdouble D; |
| 128 | JNIEnv* E; |
| 129 | jfloat F; |
| 130 | jint I; |
| 131 | jlong J; |
| 132 | jobject L; |
| 133 | jshort S; |
| 134 | const void* V; // void |
| 135 | jboolean Z; |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 136 | const VarArgs* va; |
| 137 | }; |
| 138 | |
| 139 | /* |
| 140 | * A structure containing all the information needed to validate varargs arguments. |
| 141 | * |
| 142 | * Note that actually getting the arguments from this structure mutates it so should only be done on |
| 143 | * owned copies. |
| 144 | */ |
| 145 | class VarArgs { |
| 146 | public: |
| 147 | VarArgs(jmethodID m, va_list var) : m_(m), type_(kTypeVaList), cnt_(0) { |
| 148 | va_copy(vargs_, var); |
| 149 | } |
| 150 | |
| 151 | VarArgs(jmethodID m, const jvalue* vals) : m_(m), type_(kTypePtr), cnt_(0), ptr_(vals) {} |
| 152 | |
| 153 | ~VarArgs() { |
| 154 | if (type_ == kTypeVaList) { |
| 155 | va_end(vargs_); |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | VarArgs(VarArgs&& other) { |
| 160 | m_ = other.m_; |
| 161 | cnt_ = other.cnt_; |
| 162 | type_ = other.type_; |
| 163 | if (other.type_ == kTypeVaList) { |
| 164 | va_copy(vargs_, other.vargs_); |
| 165 | } else { |
| 166 | ptr_ = other.ptr_; |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | // This method is const because we need to ensure that one only uses the GetValue method on an |
| 171 | // owned copy of the VarArgs. This is because getting the next argument from a va_list is a |
| 172 | // mutating operation. Therefore we pass around these VarArgs with the 'const' qualifier and when |
| 173 | // we want to use one we need to Clone() it. |
| 174 | VarArgs Clone() const { |
| 175 | if (type_ == kTypeVaList) { |
| 176 | // const_cast needed to make sure the compiler is okay with va_copy, which (being a macro) is |
| 177 | // messed up if the source argument is not the exact type 'va_list'. |
| 178 | return VarArgs(m_, cnt_, const_cast<VarArgs*>(this)->vargs_); |
| 179 | } else { |
| 180 | return VarArgs(m_, cnt_, ptr_); |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | jmethodID GetMethodID() const { |
| 185 | return m_; |
| 186 | } |
| 187 | |
| 188 | JniValueType GetValue(char fmt) { |
| 189 | JniValueType o; |
| 190 | if (type_ == kTypeVaList) { |
| 191 | switch (fmt) { |
| 192 | case 'Z': o.Z = static_cast<jboolean>(va_arg(vargs_, jint)); break; |
| 193 | case 'B': o.B = static_cast<jbyte>(va_arg(vargs_, jint)); break; |
| 194 | case 'C': o.C = static_cast<jchar>(va_arg(vargs_, jint)); break; |
| 195 | case 'S': o.S = static_cast<jshort>(va_arg(vargs_, jint)); break; |
| 196 | case 'I': o.I = va_arg(vargs_, jint); break; |
| 197 | case 'J': o.J = va_arg(vargs_, jlong); break; |
| 198 | case 'F': o.F = static_cast<jfloat>(va_arg(vargs_, jdouble)); break; |
| 199 | case 'D': o.D = va_arg(vargs_, jdouble); break; |
| 200 | case 'L': o.L = va_arg(vargs_, jobject); break; |
| 201 | default: |
| 202 | LOG(FATAL) << "Illegal type format char " << fmt; |
| 203 | UNREACHABLE(); |
| 204 | } |
| 205 | } else { |
| 206 | CHECK(type_ == kTypePtr); |
| 207 | jvalue v = ptr_[cnt_]; |
| 208 | cnt_++; |
| 209 | switch (fmt) { |
| 210 | case 'Z': o.Z = v.z; break; |
| 211 | case 'B': o.B = v.b; break; |
| 212 | case 'C': o.C = v.c; break; |
| 213 | case 'S': o.S = v.s; break; |
| 214 | case 'I': o.I = v.i; break; |
| 215 | case 'J': o.J = v.j; break; |
| 216 | case 'F': o.F = v.f; break; |
| 217 | case 'D': o.D = v.d; break; |
| 218 | case 'L': o.L = v.l; break; |
| 219 | default: |
| 220 | LOG(FATAL) << "Illegal type format char " << fmt; |
| 221 | UNREACHABLE(); |
| 222 | } |
| 223 | } |
| 224 | return o; |
| 225 | } |
| 226 | |
| 227 | private: |
| 228 | VarArgs(jmethodID m, uint32_t cnt, va_list var) : m_(m), type_(kTypeVaList), cnt_(cnt) { |
| 229 | va_copy(vargs_, var); |
| 230 | } |
| 231 | |
| 232 | VarArgs(jmethodID m, uint32_t cnt, const jvalue* vals) : m_(m), type_(kTypePtr), cnt_(cnt), ptr_(vals) {} |
| 233 | |
| 234 | enum VarArgsType { |
| 235 | kTypeVaList, |
| 236 | kTypePtr, |
| 237 | }; |
| 238 | |
| 239 | jmethodID m_; |
| 240 | VarArgsType type_; |
| 241 | uint32_t cnt_; |
| 242 | union { |
| 243 | va_list vargs_; |
| 244 | const jvalue* ptr_; |
| 245 | }; |
Elliott Hughes | a095764 | 2011-09-02 14:27:33 -0700 | [diff] [blame] | 246 | }; |
| 247 | |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 248 | class ScopedCheck { |
Elliott Hughes | ba8eee1 | 2012-01-24 20:25:24 -0800 | [diff] [blame] | 249 | public: |
Roland Levillain | 3887c46 | 2015-08-12 18:15:42 +0100 | [diff] [blame] | 250 | ScopedCheck(int flags, const char* functionName, bool has_method = true) |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 251 | : function_name_(functionName), flags_(flags), indent_(0), has_method_(has_method) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 252 | } |
| 253 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 254 | ~ScopedCheck() {} |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 255 | |
Elliott Hughes | 81ff318 | 2012-03-23 20:35:56 -0700 | [diff] [blame] | 256 | // Checks that 'class_name' is a valid "fully-qualified" JNI class name, like "java/lang/Thread" |
| 257 | // or "[Ljava/lang/Object;". A ClassLoader can actually normalize class names a couple of |
| 258 | // times, so using "java.lang.Thread" instead of "java/lang/Thread" might work in some |
| 259 | // circumstances, but this is incorrect. |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 260 | bool CheckClassName(const char* class_name) { |
Ian Rogers | 2d10b20 | 2014-05-12 19:15:18 -0700 | [diff] [blame] | 261 | if ((class_name == nullptr) || !IsValidJniClassName(class_name)) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 262 | AbortF("illegal class name '%s'\n" |
| 263 | " (should be of the form 'package/Class', [Lpackage/Class;' or '[[B')", |
| 264 | class_name); |
| 265 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 266 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 267 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | /* |
| 271 | * Verify that this instance field ID is valid for this object. |
| 272 | * |
| 273 | * Assumes "jobj" has already been validated. |
| 274 | */ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 275 | bool CheckInstanceFieldID(ScopedObjectAccess& soa, jobject java_object, jfieldID fid) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 276 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 277 | ObjPtr<mirror::Object> o = soa.Decode<mirror::Object>(java_object); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 278 | if (o == nullptr) { |
| 279 | AbortF("field operation on NULL object: %p", java_object); |
| 280 | return false; |
| 281 | } |
Mathieu Chartier | 9d156d5 | 2016-10-06 17:44:26 -0700 | [diff] [blame] | 282 | if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(o.Ptr())) { |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 283 | Runtime::Current()->GetHeap()->DumpSpaces(LOG_STREAM(ERROR)); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 284 | AbortF("field operation on invalid %s: %p", |
Andreas Gampe | dc061d0 | 2016-10-24 13:19:37 -0700 | [diff] [blame] | 285 | GetIndirectRefKindString(IndirectReferenceTable::GetIndirectRefKind(java_object)), |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 286 | java_object); |
| 287 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 288 | } |
| 289 | |
Andreas Gampe | 08883de | 2016-11-08 13:20:52 -0800 | [diff] [blame] | 290 | ArtField* f = CheckFieldID(fid); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 291 | if (f == nullptr) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 292 | return false; |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 293 | } |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 294 | mirror::Class* c = o->GetClass(); |
Mathieu Chartier | 61c5ebc | 2014-06-05 17:42:53 -0700 | [diff] [blame] | 295 | if (c->FindInstanceField(f->GetName(), f->GetTypeDescriptor()) == nullptr) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 296 | AbortF("jfieldID %s not valid for an object of class %s", |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 297 | f->PrettyField().c_str(), o->PrettyTypeOf().c_str()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 298 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 299 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 300 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 301 | } |
| 302 | |
| 303 | /* |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 304 | * Verify that the pointer value is non-null. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 305 | */ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 306 | bool CheckNonNull(const void* ptr) { |
| 307 | if (UNLIKELY(ptr == nullptr)) { |
| 308 | AbortF("non-nullable argument was NULL"); |
| 309 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 310 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 311 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 312 | } |
| 313 | |
| 314 | /* |
| 315 | * Verify that the method's return type matches the type of call. |
| 316 | * 'expectedType' will be "L" for all objects, including arrays. |
| 317 | */ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 318 | bool CheckMethodAndSig(ScopedObjectAccess& soa, jobject jobj, jclass jc, |
| 319 | jmethodID mid, Primitive::Type type, InvokeType invoke) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 320 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 321 | ArtMethod* m = CheckMethodID(mid); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 322 | if (m == nullptr) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 323 | return false; |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 324 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 325 | if (type != Primitive::GetType(m->GetShorty()[0])) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 326 | AbortF("the return type of %s does not match %s", function_name_, m->PrettyMethod().c_str()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 327 | return false; |
Elliott Hughes | 3f6635a | 2012-06-19 13:37:49 -0700 | [diff] [blame] | 328 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 329 | bool is_static = (invoke == kStatic); |
| 330 | if (is_static != m->IsStatic()) { |
| 331 | if (is_static) { |
| 332 | AbortF("calling non-static method %s with %s", |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 333 | m->PrettyMethod().c_str(), function_name_); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 334 | } else { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 335 | AbortF("calling static method %s with %s", |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 336 | m->PrettyMethod().c_str(), function_name_); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 337 | } |
| 338 | return false; |
| 339 | } |
| 340 | if (invoke != kVirtual) { |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 341 | ObjPtr<mirror::Class> c = soa.Decode<mirror::Class>(jc); |
Mathieu Chartier | 3398c78 | 2016-09-30 10:27:43 -0700 | [diff] [blame] | 342 | if (!m->GetDeclaringClass()->IsAssignableFrom(c)) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 343 | AbortF("can't call %s %s with class %s", invoke == kStatic ? "static" : "nonvirtual", |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 344 | m->PrettyMethod().c_str(), mirror::Class::PrettyClass(c).c_str()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 345 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 346 | } |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 347 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 348 | if (invoke != kStatic) { |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 349 | ObjPtr<mirror::Object> o = soa.Decode<mirror::Object>(jobj); |
Mathieu Chartier | a1e78fa | 2014-08-20 12:09:38 -0700 | [diff] [blame] | 350 | if (o == nullptr) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 351 | AbortF("can't call %s on null object", m->PrettyMethod().c_str()); |
Mathieu Chartier | a1e78fa | 2014-08-20 12:09:38 -0700 | [diff] [blame] | 352 | return false; |
| 353 | } else if (!o->InstanceOf(m->GetDeclaringClass())) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 354 | AbortF("can't call %s on instance of %s", m->PrettyMethod().c_str(), |
| 355 | o->PrettyTypeOf().c_str()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 356 | return false; |
| 357 | } |
| 358 | } |
| 359 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 360 | } |
| 361 | |
| 362 | /* |
| 363 | * Verify that this static field ID is valid for this class. |
| 364 | * |
| 365 | * Assumes "java_class" has already been validated. |
| 366 | */ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 367 | bool CheckStaticFieldID(ScopedObjectAccess& soa, jclass java_class, jfieldID fid) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 368 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 369 | ObjPtr<mirror::Class> c = soa.Decode<mirror::Class>(java_class); |
Andreas Gampe | 08883de | 2016-11-08 13:20:52 -0800 | [diff] [blame] | 370 | ArtField* f = CheckFieldID(fid); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 371 | if (f == nullptr) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 372 | return false; |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 373 | } |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 374 | if (c != f->GetDeclaringClass()) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 375 | AbortF("static jfieldID %p not valid for class %s", fid, |
| 376 | mirror::Class::PrettyClass(c).c_str()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 377 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 378 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 379 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | /* |
Elliott Hughes | e84278b | 2012-03-22 10:06:53 -0700 | [diff] [blame] | 383 | * Verify that "mid" is appropriate for "java_class". |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 384 | * |
| 385 | * A mismatch isn't dangerous, because the jmethodID defines the class. In |
Elliott Hughes | e84278b | 2012-03-22 10:06:53 -0700 | [diff] [blame] | 386 | * fact, java_class is unused in the implementation. It's best if we don't |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 387 | * allow bad code in the system though. |
| 388 | * |
Elliott Hughes | e84278b | 2012-03-22 10:06:53 -0700 | [diff] [blame] | 389 | * Instances of "java_class" must be instances of the method's declaring class. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 390 | */ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 391 | bool CheckStaticMethod(ScopedObjectAccess& soa, jclass java_class, jmethodID mid) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 392 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 393 | ArtMethod* m = CheckMethodID(mid); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 394 | if (m == nullptr) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 395 | return false; |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 396 | } |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 397 | ObjPtr<mirror::Class> c = soa.Decode<mirror::Class>(java_class); |
Mathieu Chartier | 3398c78 | 2016-09-30 10:27:43 -0700 | [diff] [blame] | 398 | if (!m->GetDeclaringClass()->IsAssignableFrom(c)) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 399 | AbortF("can't call static %s on class %s", m->PrettyMethod().c_str(), |
| 400 | mirror::Class::PrettyClass(c).c_str()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 401 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 402 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 403 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 404 | } |
| 405 | |
| 406 | /* |
| 407 | * Verify that "mid" is appropriate for "jobj". |
| 408 | * |
| 409 | * Make sure the object is an instance of the method's declaring class. |
| 410 | * (Note the mid might point to a declaration in an interface; this |
| 411 | * will be handled automatically by the instanceof check.) |
| 412 | */ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 413 | bool CheckVirtualMethod(ScopedObjectAccess& soa, jobject java_object, jmethodID mid) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 414 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 415 | ArtMethod* m = CheckMethodID(mid); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 416 | if (m == nullptr) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 417 | return false; |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 418 | } |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 419 | ObjPtr<mirror::Object> o = soa.Decode<mirror::Object>(java_object); |
Mathieu Chartier | a1e78fa | 2014-08-20 12:09:38 -0700 | [diff] [blame] | 420 | if (o == nullptr) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 421 | AbortF("can't call %s on null object", m->PrettyMethod().c_str()); |
Mathieu Chartier | a1e78fa | 2014-08-20 12:09:38 -0700 | [diff] [blame] | 422 | return false; |
| 423 | } else if (!o->InstanceOf(m->GetDeclaringClass())) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 424 | AbortF("can't call %s on instance of %s", m->PrettyMethod().c_str(), |
| 425 | o->PrettyTypeOf().c_str()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 426 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 427 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 428 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | /** |
| 432 | * The format string is a sequence of the following characters, |
| 433 | * and must be followed by arguments of the corresponding types |
| 434 | * in the same order. |
| 435 | * |
| 436 | * Java primitive types: |
| 437 | * B - jbyte |
| 438 | * C - jchar |
| 439 | * D - jdouble |
| 440 | * F - jfloat |
| 441 | * I - jint |
| 442 | * J - jlong |
| 443 | * S - jshort |
| 444 | * Z - jboolean (shown as true and false) |
| 445 | * V - void |
| 446 | * |
| 447 | * Java reference types: |
| 448 | * L - jobject |
| 449 | * a - jarray |
| 450 | * c - jclass |
| 451 | * s - jstring |
| 452 | * |
| 453 | * JNI types: |
| 454 | * b - jboolean (shown as JNI_TRUE and JNI_FALSE) |
| 455 | * f - jfieldID |
| 456 | * m - jmethodID |
| 457 | * p - void* |
| 458 | * r - jint (for release mode arguments) |
Elliott Hughes | 78090d1 | 2011-10-07 14:31:47 -0700 | [diff] [blame] | 459 | * u - const char* (Modified UTF-8) |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 460 | * z - jsize (for lengths; use i if negative values are okay) |
| 461 | * v - JavaVM* |
| 462 | * E - JNIEnv* |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 463 | * . - VarArgs* for Jni calls with variable length arguments |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 464 | * |
| 465 | * Use the kFlag_NullableUtf flag where 'u' field(s) are nullable. |
| 466 | */ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 467 | bool Check(ScopedObjectAccess& soa, bool entry, const char* fmt, JniValueType* args) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 468 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 469 | ArtMethod* traceMethod = nullptr; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 470 | if (has_method_ && soa.Vm()->IsTracingEnabled()) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 471 | // We need to guard some of the invocation interface's calls: a bad caller might |
| 472 | // use DetachCurrentThread or GetEnv on a thread that's not yet attached. |
Elliott Hughes | a095764 | 2011-09-02 14:27:33 -0700 | [diff] [blame] | 473 | Thread* self = Thread::Current(); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 474 | if ((flags_ & kFlag_Invocation) == 0 || self != nullptr) { |
| 475 | traceMethod = self->GetCurrentMethod(nullptr); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 476 | } |
| 477 | } |
Elliott Hughes | a095764 | 2011-09-02 14:27:33 -0700 | [diff] [blame] | 478 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 479 | if (((flags_ & kFlag_ForceTrace) != 0) || |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 480 | (traceMethod != nullptr && soa.Vm()->ShouldTrace(traceMethod))) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 481 | std::string msg; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 482 | for (size_t i = 0; fmt[i] != '\0'; ++i) { |
| 483 | TracePossibleHeapValue(soa, entry, fmt[i], args[i], &msg); |
| 484 | if (fmt[i + 1] != '\0') { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 485 | StringAppendF(&msg, ", "); |
| 486 | } |
| 487 | } |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 488 | |
Elliott Hughes | 485cac4 | 2011-12-09 17:49:35 -0800 | [diff] [blame] | 489 | if ((flags_ & kFlag_ForceTrace) != 0) { |
| 490 | LOG(INFO) << "JNI: call to " << function_name_ << "(" << msg << ")"; |
| 491 | } else if (entry) { |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 492 | if (has_method_) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 493 | std::string methodName(ArtMethod::PrettyMethod(traceMethod, false)); |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 494 | LOG(INFO) << "JNI: " << methodName << " -> " << function_name_ << "(" << msg << ")"; |
| 495 | indent_ = methodName.size() + 1; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 496 | } else { |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 497 | LOG(INFO) << "JNI: -> " << function_name_ << "(" << msg << ")"; |
| 498 | indent_ = 0; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 499 | } |
| 500 | } else { |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 501 | LOG(INFO) << StringPrintf("JNI: %*s<- %s returned %s", indent_, "", function_name_, msg.c_str()); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 502 | } |
| 503 | } |
| 504 | |
| 505 | // We always do the thorough checks on entry, and never on exit... |
| 506 | if (entry) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 507 | for (size_t i = 0; fmt[i] != '\0'; ++i) { |
| 508 | if (!CheckPossibleHeapValue(soa, fmt[i], args[i])) { |
| 509 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 510 | } |
| 511 | } |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 512 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 513 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 514 | } |
| 515 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 516 | bool CheckNonHeap(JavaVMExt* vm, bool entry, const char* fmt, JniValueType* args) { |
| 517 | bool should_trace = (flags_ & kFlag_ForceTrace) != 0; |
Andreas Gampe | def194e | 2015-02-19 15:19:50 -0800 | [diff] [blame] | 518 | if (!should_trace && vm != nullptr && vm->IsTracingEnabled()) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 519 | // We need to guard some of the invocation interface's calls: a bad caller might |
| 520 | // use DetachCurrentThread or GetEnv on a thread that's not yet attached. |
| 521 | Thread* self = Thread::Current(); |
| 522 | if ((flags_ & kFlag_Invocation) == 0 || self != nullptr) { |
| 523 | ScopedObjectAccess soa(self); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 524 | ArtMethod* traceMethod = self->GetCurrentMethod(nullptr); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 525 | should_trace = (traceMethod != nullptr && vm->ShouldTrace(traceMethod)); |
| 526 | } |
| 527 | } |
| 528 | if (should_trace) { |
| 529 | std::string msg; |
| 530 | for (size_t i = 0; fmt[i] != '\0'; ++i) { |
| 531 | TraceNonHeapValue(fmt[i], args[i], &msg); |
| 532 | if (fmt[i + 1] != '\0') { |
| 533 | StringAppendF(&msg, ", "); |
| 534 | } |
| 535 | } |
| 536 | |
| 537 | if ((flags_ & kFlag_ForceTrace) != 0) { |
| 538 | LOG(INFO) << "JNI: call to " << function_name_ << "(" << msg << ")"; |
| 539 | } else if (entry) { |
| 540 | if (has_method_) { |
| 541 | Thread* self = Thread::Current(); |
| 542 | ScopedObjectAccess soa(self); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 543 | ArtMethod* traceMethod = self->GetCurrentMethod(nullptr); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 544 | std::string methodName(ArtMethod::PrettyMethod(traceMethod, false)); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 545 | LOG(INFO) << "JNI: " << methodName << " -> " << function_name_ << "(" << msg << ")"; |
| 546 | indent_ = methodName.size() + 1; |
| 547 | } else { |
| 548 | LOG(INFO) << "JNI: -> " << function_name_ << "(" << msg << ")"; |
| 549 | indent_ = 0; |
| 550 | } |
| 551 | } else { |
| 552 | LOG(INFO) << StringPrintf("JNI: %*s<- %s returned %s", indent_, "", function_name_, msg.c_str()); |
| 553 | } |
| 554 | } |
| 555 | |
| 556 | // We always do the thorough checks on entry, and never on exit... |
| 557 | if (entry) { |
| 558 | for (size_t i = 0; fmt[i] != '\0'; ++i) { |
| 559 | if (!CheckNonHeapValue(fmt[i], args[i])) { |
| 560 | return false; |
| 561 | } |
| 562 | } |
| 563 | } |
| 564 | return true; |
| 565 | } |
| 566 | |
| 567 | bool CheckReflectedMethod(ScopedObjectAccess& soa, jobject jmethod) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 568 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 569 | ObjPtr<mirror::Object> method = soa.Decode<mirror::Object>(jmethod); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 570 | if (method == nullptr) { |
| 571 | AbortF("expected non-null method"); |
| 572 | return false; |
| 573 | } |
| 574 | mirror::Class* c = method->GetClass(); |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 575 | if (soa.Decode<mirror::Class>(WellKnownClasses::java_lang_reflect_Method) != c && |
| 576 | soa.Decode<mirror::Class>(WellKnownClasses::java_lang_reflect_Constructor) != c) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 577 | AbortF("expected java.lang.reflect.Method or " |
| 578 | "java.lang.reflect.Constructor but got object of type %s: %p", |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 579 | method->PrettyTypeOf().c_str(), jmethod); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 580 | return false; |
| 581 | } |
| 582 | return true; |
| 583 | } |
| 584 | |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 585 | bool CheckConstructor(jmethodID mid) REQUIRES_SHARED(Locks::mutator_lock_) { |
| 586 | ArtMethod* method = jni::DecodeArtMethod(mid); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 587 | if (method == nullptr) { |
| 588 | AbortF("expected non-null constructor"); |
| 589 | return false; |
| 590 | } |
| 591 | if (!method->IsConstructor() || method->IsStatic()) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 592 | AbortF("expected a constructor but %s: %p", method->PrettyMethod().c_str(), mid); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 593 | return false; |
| 594 | } |
| 595 | return true; |
| 596 | } |
| 597 | |
| 598 | bool CheckReflectedField(ScopedObjectAccess& soa, jobject jfield) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 599 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 600 | ObjPtr<mirror::Object> field = soa.Decode<mirror::Object>(jfield); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 601 | if (field == nullptr) { |
| 602 | AbortF("expected non-null java.lang.reflect.Field"); |
| 603 | return false; |
| 604 | } |
| 605 | mirror::Class* c = field->GetClass(); |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 606 | if (soa.Decode<mirror::Class>(WellKnownClasses::java_lang_reflect_Field) != c) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 607 | AbortF("expected java.lang.reflect.Field but got object of type %s: %p", |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 608 | field->PrettyTypeOf().c_str(), jfield); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 609 | return false; |
| 610 | } |
| 611 | return true; |
| 612 | } |
| 613 | |
| 614 | bool CheckThrowable(ScopedObjectAccess& soa, jthrowable jobj) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 615 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 616 | ObjPtr<mirror::Object> obj = soa.Decode<mirror::Object>(jobj); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 617 | if (!obj->GetClass()->IsThrowableClass()) { |
| 618 | AbortF("expected java.lang.Throwable but got object of type " |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 619 | "%s: %p", obj->PrettyTypeOf().c_str(), obj.Ptr()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 620 | return false; |
| 621 | } |
| 622 | return true; |
| 623 | } |
| 624 | |
| 625 | bool CheckThrowableClass(ScopedObjectAccess& soa, jclass jc) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 626 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 627 | ObjPtr<mirror::Class> c = soa.Decode<mirror::Class>(jc); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 628 | if (!c->IsThrowableClass()) { |
| 629 | AbortF("expected java.lang.Throwable class but got object of " |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 630 | "type %s: %p", c->PrettyDescriptor().c_str(), c.Ptr()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 631 | return false; |
| 632 | } |
| 633 | return true; |
| 634 | } |
| 635 | |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 636 | bool CheckReferenceKind(IndirectRefKind expected_kind, Thread* self, jobject obj) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 637 | IndirectRefKind found_kind; |
| 638 | if (expected_kind == kLocal) { |
Andreas Gampe | dc061d0 | 2016-10-24 13:19:37 -0700 | [diff] [blame] | 639 | found_kind = IndirectReferenceTable::GetIndirectRefKind(obj); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 640 | if (found_kind == kHandleScopeOrInvalid && self->HandleScopeContains(obj)) { |
| 641 | found_kind = kLocal; |
| 642 | } |
| 643 | } else { |
Andreas Gampe | dc061d0 | 2016-10-24 13:19:37 -0700 | [diff] [blame] | 644 | found_kind = IndirectReferenceTable::GetIndirectRefKind(obj); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 645 | } |
| 646 | if (obj != nullptr && found_kind != expected_kind) { |
| 647 | AbortF("expected reference of kind %s but found %s: %p", |
Andreas Gampe | dc061d0 | 2016-10-24 13:19:37 -0700 | [diff] [blame] | 648 | GetIndirectRefKindString(expected_kind), |
| 649 | GetIndirectRefKindString(IndirectReferenceTable::GetIndirectRefKind(obj)), |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 650 | obj); |
| 651 | return false; |
| 652 | } |
| 653 | return true; |
| 654 | } |
| 655 | |
| 656 | bool CheckInstantiableNonArray(ScopedObjectAccess& soa, jclass jc) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 657 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 658 | ObjPtr<mirror::Class> c = soa.Decode<mirror::Class>(jc); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 659 | if (!c->IsInstantiableNonArray()) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 660 | AbortF("can't make objects of type %s: %p", c->PrettyDescriptor().c_str(), c.Ptr()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 661 | return false; |
| 662 | } |
| 663 | return true; |
| 664 | } |
| 665 | |
| 666 | bool CheckPrimitiveArrayType(ScopedObjectAccess& soa, jarray array, Primitive::Type type) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 667 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 668 | if (!CheckArray(soa, array)) { |
| 669 | return false; |
| 670 | } |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 671 | ObjPtr<mirror::Array> a = soa.Decode<mirror::Array>(array); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 672 | if (a->GetClass()->GetComponentType()->GetPrimitiveType() != type) { |
| 673 | AbortF("incompatible array type %s expected %s[]: %p", |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 674 | a->GetClass()->PrettyDescriptor().c_str(), PrettyDescriptor(type).c_str(), array); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 675 | return false; |
| 676 | } |
| 677 | return true; |
| 678 | } |
| 679 | |
| 680 | bool CheckFieldAccess(ScopedObjectAccess& soa, jobject obj, jfieldID fid, bool is_static, |
| 681 | Primitive::Type type) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 682 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 683 | if (is_static && !CheckStaticFieldID(soa, down_cast<jclass>(obj), fid)) { |
| 684 | return false; |
| 685 | } |
| 686 | if (!is_static && !CheckInstanceFieldID(soa, obj, fid)) { |
| 687 | return false; |
| 688 | } |
Andreas Gampe | 08883de | 2016-11-08 13:20:52 -0800 | [diff] [blame] | 689 | ArtField* field = jni::DecodeArtField(fid); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 690 | DCHECK(field != nullptr); // Already checked by Check. |
| 691 | if (is_static != field->IsStatic()) { |
| 692 | AbortF("attempt to access %s field %s: %p", |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 693 | field->IsStatic() ? "static" : "non-static", field->PrettyField().c_str(), fid); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 694 | return false; |
| 695 | } |
| 696 | if (type != field->GetTypeAsPrimitiveType()) { |
| 697 | AbortF("attempt to access field %s of type %s with the wrong type %s: %p", |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 698 | field->PrettyField().c_str(), |
| 699 | PrettyDescriptor(field->GetTypeDescriptor()).c_str(), |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 700 | PrettyDescriptor(type).c_str(), fid); |
| 701 | return false; |
| 702 | } |
| 703 | if (is_static) { |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 704 | ObjPtr<mirror::Object> o = soa.Decode<mirror::Object>(obj); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 705 | if (o == nullptr || !o->IsClass()) { |
| 706 | AbortF("attempt to access static field %s with a class argument of type %s: %p", |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 707 | field->PrettyField().c_str(), o->PrettyTypeOf().c_str(), fid); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 708 | return false; |
| 709 | } |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 710 | ObjPtr<mirror::Class> c = o->AsClass(); |
| 711 | if (c != field->GetDeclaringClass()) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 712 | AbortF("attempt to access static field %s with an incompatible class argument of %s: %p", |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 713 | field->PrettyField().c_str(), mirror::Class::PrettyDescriptor(c).c_str(), fid); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 714 | return false; |
| 715 | } |
| 716 | } else { |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 717 | ObjPtr<mirror::Object> o = soa.Decode<mirror::Object>(obj); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 718 | if (o == nullptr || !field->GetDeclaringClass()->IsAssignableFrom(o->GetClass())) { |
| 719 | AbortF("attempt to access field %s from an object argument of type %s: %p", |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 720 | field->PrettyField().c_str(), o->PrettyTypeOf().c_str(), fid); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 721 | return false; |
| 722 | } |
| 723 | } |
| 724 | return true; |
| 725 | } |
| 726 | |
| 727 | private: |
Elliott Hughes | a92853e | 2012-02-07 16:09:27 -0800 | [diff] [blame] | 728 | enum InstanceKind { |
| 729 | kClass, |
Elliott Hughes | 0f3c553 | 2012-03-30 14:51:51 -0700 | [diff] [blame] | 730 | kDirectByteBuffer, |
| 731 | kObject, |
| 732 | kString, |
| 733 | kThrowable, |
Elliott Hughes | a92853e | 2012-02-07 16:09:27 -0800 | [diff] [blame] | 734 | }; |
| 735 | |
| 736 | /* |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 737 | * Verify that "jobj" is a valid non-null object reference, and points to |
Elliott Hughes | a92853e | 2012-02-07 16:09:27 -0800 | [diff] [blame] | 738 | * an instance of expectedClass. |
| 739 | * |
| 740 | * Because we're looking at an object on the GC heap, we have to switch |
| 741 | * to "running" mode before doing the checks. |
| 742 | */ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 743 | bool CheckInstance(ScopedObjectAccess& soa, InstanceKind kind, jobject java_object, bool null_ok) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 744 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 745 | const char* what = nullptr; |
Elliott Hughes | a92853e | 2012-02-07 16:09:27 -0800 | [diff] [blame] | 746 | switch (kind) { |
| 747 | case kClass: |
| 748 | what = "jclass"; |
| 749 | break; |
| 750 | case kDirectByteBuffer: |
| 751 | what = "direct ByteBuffer"; |
| 752 | break; |
| 753 | case kObject: |
| 754 | what = "jobject"; |
| 755 | break; |
| 756 | case kString: |
| 757 | what = "jstring"; |
| 758 | break; |
| 759 | case kThrowable: |
| 760 | what = "jthrowable"; |
| 761 | break; |
| 762 | default: |
Elliott Hughes | 7b9d996 | 2012-04-20 18:48:18 -0700 | [diff] [blame] | 763 | LOG(FATAL) << "Unknown kind " << static_cast<int>(kind); |
Elliott Hughes | a92853e | 2012-02-07 16:09:27 -0800 | [diff] [blame] | 764 | } |
| 765 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 766 | if (java_object == nullptr) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 767 | if (null_ok) { |
| 768 | return true; |
| 769 | } else { |
| 770 | AbortF("%s received NULL %s", function_name_, what); |
| 771 | return false; |
| 772 | } |
Elliott Hughes | a92853e | 2012-02-07 16:09:27 -0800 | [diff] [blame] | 773 | } |
| 774 | |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 775 | ObjPtr<mirror::Object> obj = soa.Decode<mirror::Object>(java_object); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 776 | if (obj == nullptr) { |
| 777 | // Either java_object is invalid or is a cleared weak. |
| 778 | IndirectRef ref = reinterpret_cast<IndirectRef>(java_object); |
| 779 | bool okay; |
Andreas Gampe | dc061d0 | 2016-10-24 13:19:37 -0700 | [diff] [blame] | 780 | if (IndirectReferenceTable::GetIndirectRefKind(ref) != kWeakGlobal) { |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 781 | okay = false; |
| 782 | } else { |
| 783 | obj = soa.Vm()->DecodeWeakGlobal(soa.Self(), ref); |
Mathieu Chartier | c4f3925 | 2016-10-05 18:32:08 -0700 | [diff] [blame] | 784 | okay = Runtime::Current()->IsClearedJniWeakGlobal(obj); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 785 | } |
| 786 | if (!okay) { |
| 787 | AbortF("%s is an invalid %s: %p (%p)", |
Andreas Gampe | dc061d0 | 2016-10-24 13:19:37 -0700 | [diff] [blame] | 788 | what, |
| 789 | GetIndirectRefKindString(IndirectReferenceTable::GetIndirectRefKind(java_object)), |
| 790 | java_object, |
| 791 | obj.Ptr()); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 792 | return false; |
| 793 | } |
| 794 | } |
| 795 | |
Mathieu Chartier | 9d156d5 | 2016-10-06 17:44:26 -0700 | [diff] [blame] | 796 | if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(obj.Ptr())) { |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 797 | Runtime::Current()->GetHeap()->DumpSpaces(LOG_STREAM(ERROR)); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 798 | AbortF("%s is an invalid %s: %p (%p)", |
Andreas Gampe | dc061d0 | 2016-10-24 13:19:37 -0700 | [diff] [blame] | 799 | what, |
| 800 | GetIndirectRefKindString(IndirectReferenceTable::GetIndirectRefKind(java_object)), |
| 801 | java_object, |
| 802 | obj.Ptr()); |
Elliott Hughes | a92853e | 2012-02-07 16:09:27 -0800 | [diff] [blame] | 803 | return false; |
| 804 | } |
| 805 | |
| 806 | bool okay = true; |
| 807 | switch (kind) { |
| 808 | case kClass: |
| 809 | okay = obj->IsClass(); |
| 810 | break; |
| 811 | case kDirectByteBuffer: |
| 812 | UNIMPLEMENTED(FATAL); |
| 813 | break; |
| 814 | case kString: |
| 815 | okay = obj->GetClass()->IsStringClass(); |
| 816 | break; |
| 817 | case kThrowable: |
| 818 | okay = obj->GetClass()->IsThrowableClass(); |
| 819 | break; |
| 820 | case kObject: |
| 821 | break; |
| 822 | } |
| 823 | if (!okay) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 824 | AbortF("%s has wrong type: %s", what, mirror::Object::PrettyTypeOf(obj).c_str()); |
Elliott Hughes | a92853e | 2012-02-07 16:09:27 -0800 | [diff] [blame] | 825 | return false; |
| 826 | } |
| 827 | |
| 828 | return true; |
| 829 | } |
| 830 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 831 | /* |
| 832 | * Verify that the "mode" argument passed to a primitive array Release |
| 833 | * function is one of the valid values. |
| 834 | */ |
| 835 | bool CheckReleaseMode(jint mode) { |
| 836 | if (mode != 0 && mode != JNI_COMMIT && mode != JNI_ABORT) { |
| 837 | AbortF("unknown value for release mode: %d", mode); |
| 838 | return false; |
| 839 | } |
| 840 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 841 | } |
| 842 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 843 | bool CheckPossibleHeapValue(ScopedObjectAccess& soa, char fmt, JniValueType arg) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 844 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 845 | switch (fmt) { |
| 846 | case 'a': // jarray |
| 847 | return CheckArray(soa, arg.a); |
| 848 | case 'c': // jclass |
| 849 | return CheckInstance(soa, kClass, arg.c, false); |
| 850 | case 'f': // jfieldID |
Andreas Gampe | 08883de | 2016-11-08 13:20:52 -0800 | [diff] [blame] | 851 | return CheckFieldID(arg.f) != nullptr; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 852 | case 'm': // jmethodID |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 853 | return CheckMethodID(arg.m) != nullptr; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 854 | case 'r': // release int |
| 855 | return CheckReleaseMode(arg.r); |
| 856 | case 's': // jstring |
| 857 | return CheckInstance(soa, kString, arg.s, false); |
| 858 | case 't': // jthrowable |
| 859 | return CheckInstance(soa, kThrowable, arg.t, false); |
| 860 | case 'E': // JNIEnv* |
| 861 | return CheckThread(arg.E); |
| 862 | case 'L': // jobject |
| 863 | return CheckInstance(soa, kObject, arg.L, true); |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 864 | case '.': // A VarArgs list |
| 865 | return CheckVarArgs(soa, arg.va); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 866 | default: |
| 867 | return CheckNonHeapValue(fmt, arg); |
| 868 | } |
| 869 | } |
| 870 | |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 871 | bool CheckVarArgs(ScopedObjectAccess& soa, const VarArgs* args_p) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 872 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 873 | CHECK(args_p != nullptr); |
| 874 | VarArgs args(args_p->Clone()); |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 875 | ArtMethod* m = CheckMethodID(args.GetMethodID()); |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 876 | if (m == nullptr) { |
| 877 | return false; |
| 878 | } |
| 879 | uint32_t len = 0; |
| 880 | const char* shorty = m->GetShorty(&len); |
| 881 | // Skip the return type |
| 882 | CHECK_GE(len, 1u); |
| 883 | len--; |
| 884 | shorty++; |
| 885 | for (uint32_t i = 0; i < len; i++) { |
| 886 | if (!CheckPossibleHeapValue(soa, shorty[i], args.GetValue(shorty[i]))) { |
| 887 | return false; |
| 888 | } |
| 889 | } |
| 890 | return true; |
| 891 | } |
| 892 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 893 | bool CheckNonHeapValue(char fmt, JniValueType arg) { |
| 894 | switch (fmt) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 895 | case 'p': // TODO: pointer - null or readable? |
| 896 | case 'v': // JavaVM* |
| 897 | case 'B': // jbyte |
| 898 | case 'C': // jchar |
| 899 | case 'D': // jdouble |
| 900 | case 'F': // jfloat |
| 901 | case 'I': // jint |
| 902 | case 'J': // jlong |
| 903 | case 'S': // jshort |
| 904 | break; // Ignored. |
| 905 | case 'b': // jboolean, why two? Fall-through. |
| 906 | case 'Z': |
| 907 | return CheckBoolean(arg.Z); |
| 908 | case 'u': // utf8 |
| 909 | if ((flags_ & kFlag_Release) != 0) { |
| 910 | return CheckNonNull(arg.u); |
| 911 | } else { |
| 912 | bool nullable = ((flags_ & kFlag_NullableUtf) != 0); |
| 913 | return CheckUtfString(arg.u, nullable); |
| 914 | } |
| 915 | case 'w': // jobjectRefType |
| 916 | switch (arg.w) { |
| 917 | case JNIInvalidRefType: |
| 918 | case JNILocalRefType: |
| 919 | case JNIGlobalRefType: |
| 920 | case JNIWeakGlobalRefType: |
| 921 | break; |
| 922 | default: |
| 923 | AbortF("Unknown reference type"); |
| 924 | return false; |
| 925 | } |
| 926 | break; |
| 927 | case 'z': // jsize |
| 928 | return CheckLengthPositive(arg.z); |
| 929 | default: |
| 930 | AbortF("unknown format specifier: '%c'", fmt); |
| 931 | return false; |
| 932 | } |
| 933 | return true; |
| 934 | } |
| 935 | |
| 936 | void TracePossibleHeapValue(ScopedObjectAccess& soa, bool entry, char fmt, JniValueType arg, |
| 937 | std::string* msg) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 938 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 939 | switch (fmt) { |
| 940 | case 'L': // jobject fall-through. |
| 941 | case 'a': // jarray fall-through. |
| 942 | case 's': // jstring fall-through. |
| 943 | case 't': // jthrowable fall-through. |
| 944 | if (arg.L == nullptr) { |
| 945 | *msg += "NULL"; |
| 946 | } else { |
| 947 | StringAppendF(msg, "%p", arg.L); |
| 948 | } |
| 949 | break; |
| 950 | case 'c': { // jclass |
| 951 | jclass jc = arg.c; |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 952 | ObjPtr<mirror::Class> c = soa.Decode<mirror::Class>(jc); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 953 | if (c == nullptr) { |
| 954 | *msg += "NULL"; |
Mathieu Chartier | 9d156d5 | 2016-10-06 17:44:26 -0700 | [diff] [blame] | 955 | } else if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(c.Ptr())) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 956 | StringAppendF(msg, "INVALID POINTER:%p", jc); |
| 957 | } else if (!c->IsClass()) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 958 | *msg += "INVALID NON-CLASS OBJECT OF TYPE:" + c->PrettyTypeOf(); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 959 | } else { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 960 | *msg += c->PrettyClass(); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 961 | if (!entry) { |
| 962 | StringAppendF(msg, " (%p)", jc); |
| 963 | } |
| 964 | } |
| 965 | break; |
| 966 | } |
| 967 | case 'f': { // jfieldID |
| 968 | jfieldID fid = arg.f; |
Andreas Gampe | 08883de | 2016-11-08 13:20:52 -0800 | [diff] [blame] | 969 | ArtField* f = jni::DecodeArtField(fid); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 970 | *msg += ArtField::PrettyField(f); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 971 | if (!entry) { |
| 972 | StringAppendF(msg, " (%p)", fid); |
| 973 | } |
| 974 | break; |
| 975 | } |
| 976 | case 'm': { // jmethodID |
| 977 | jmethodID mid = arg.m; |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 978 | ArtMethod* m = jni::DecodeArtMethod(mid); |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 979 | *msg += ArtMethod::PrettyMethod(m); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 980 | if (!entry) { |
| 981 | StringAppendF(msg, " (%p)", mid); |
| 982 | } |
| 983 | break; |
| 984 | } |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 985 | case '.': { |
| 986 | const VarArgs* va = arg.va; |
| 987 | VarArgs args(va->Clone()); |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 988 | ArtMethod* m = jni::DecodeArtMethod(args.GetMethodID()); |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 989 | uint32_t len; |
| 990 | const char* shorty = m->GetShorty(&len); |
| 991 | CHECK_GE(len, 1u); |
| 992 | // Skip past return value. |
| 993 | len--; |
| 994 | shorty++; |
| 995 | // Remove the previous ', ' from the message. |
| 996 | msg->erase(msg->length() - 2); |
| 997 | for (uint32_t i = 0; i < len; i++) { |
| 998 | *msg += ", "; |
| 999 | TracePossibleHeapValue(soa, entry, shorty[i], args.GetValue(shorty[i]), msg); |
| 1000 | } |
| 1001 | break; |
| 1002 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1003 | default: |
| 1004 | TraceNonHeapValue(fmt, arg, msg); |
| 1005 | break; |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 1009 | void TraceNonHeapValue(char fmt, JniValueType arg, std::string* msg) { |
| 1010 | switch (fmt) { |
| 1011 | case 'B': // jbyte |
| 1012 | if (arg.B >= 0 && arg.B < 10) { |
| 1013 | StringAppendF(msg, "%d", arg.B); |
| 1014 | } else { |
| 1015 | StringAppendF(msg, "%#x (%d)", arg.B, arg.B); |
| 1016 | } |
| 1017 | break; |
| 1018 | case 'C': // jchar |
| 1019 | if (arg.C < 0x7f && arg.C >= ' ') { |
| 1020 | StringAppendF(msg, "U+%x ('%c')", arg.C, arg.C); |
| 1021 | } else { |
| 1022 | StringAppendF(msg, "U+%x", arg.C); |
| 1023 | } |
| 1024 | break; |
| 1025 | case 'F': // jfloat |
| 1026 | StringAppendF(msg, "%g", arg.F); |
| 1027 | break; |
| 1028 | case 'D': // jdouble |
| 1029 | StringAppendF(msg, "%g", arg.D); |
| 1030 | break; |
| 1031 | case 'S': // jshort |
| 1032 | StringAppendF(msg, "%d", arg.S); |
| 1033 | break; |
| 1034 | case 'i': // jint - fall-through. |
| 1035 | case 'I': // jint |
| 1036 | StringAppendF(msg, "%d", arg.I); |
| 1037 | break; |
| 1038 | case 'J': // jlong |
| 1039 | StringAppendF(msg, "%" PRId64, arg.J); |
| 1040 | break; |
| 1041 | case 'Z': // jboolean |
| 1042 | case 'b': // jboolean (JNI-style) |
| 1043 | *msg += arg.b == JNI_TRUE ? "true" : "false"; |
| 1044 | break; |
| 1045 | case 'V': // void |
| 1046 | DCHECK(arg.V == nullptr); |
| 1047 | *msg += "void"; |
| 1048 | break; |
| 1049 | case 'v': // JavaVM* |
| 1050 | StringAppendF(msg, "(JavaVM*)%p", arg.v); |
| 1051 | break; |
| 1052 | case 'E': |
| 1053 | StringAppendF(msg, "(JNIEnv*)%p", arg.E); |
| 1054 | break; |
| 1055 | case 'z': // non-negative jsize |
| 1056 | // You might expect jsize to be size_t, but it's not; it's the same as jint. |
| 1057 | // We only treat this specially so we can do the non-negative check. |
| 1058 | // TODO: maybe this wasn't worth it? |
| 1059 | StringAppendF(msg, "%d", arg.z); |
| 1060 | break; |
| 1061 | case 'p': // void* ("pointer") |
| 1062 | if (arg.p == nullptr) { |
| 1063 | *msg += "NULL"; |
| 1064 | } else { |
| 1065 | StringAppendF(msg, "(void*) %p", arg.p); |
| 1066 | } |
| 1067 | break; |
| 1068 | case 'r': { // jint (release mode) |
| 1069 | jint releaseMode = arg.r; |
| 1070 | if (releaseMode == 0) { |
| 1071 | *msg += "0"; |
| 1072 | } else if (releaseMode == JNI_ABORT) { |
| 1073 | *msg += "JNI_ABORT"; |
| 1074 | } else if (releaseMode == JNI_COMMIT) { |
| 1075 | *msg += "JNI_COMMIT"; |
| 1076 | } else { |
| 1077 | StringAppendF(msg, "invalid release mode %d", releaseMode); |
| 1078 | } |
| 1079 | break; |
| 1080 | } |
| 1081 | case 'u': // const char* (Modified UTF-8) |
| 1082 | if (arg.u == nullptr) { |
| 1083 | *msg += "NULL"; |
| 1084 | } else { |
| 1085 | StringAppendF(msg, "\"%s\"", arg.u); |
| 1086 | } |
| 1087 | break; |
| 1088 | case 'w': // jobjectRefType |
| 1089 | switch (arg.w) { |
| 1090 | case JNIInvalidRefType: |
| 1091 | *msg += "invalid reference type"; |
| 1092 | break; |
| 1093 | case JNILocalRefType: |
| 1094 | *msg += "local ref type"; |
| 1095 | break; |
| 1096 | case JNIGlobalRefType: |
| 1097 | *msg += "global ref type"; |
| 1098 | break; |
| 1099 | case JNIWeakGlobalRefType: |
| 1100 | *msg += "weak global ref type"; |
| 1101 | break; |
| 1102 | default: |
| 1103 | *msg += "unknown ref type"; |
| 1104 | break; |
| 1105 | } |
| 1106 | break; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1107 | default: |
| 1108 | LOG(FATAL) << function_name_ << ": unknown trace format specifier: '" << fmt << "'"; |
| 1109 | } |
| 1110 | } |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1111 | /* |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1112 | * Verify that "array" is non-null and points to an Array object. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1113 | * |
| 1114 | * Since we're dealing with objects, switch to "running" mode. |
| 1115 | */ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1116 | bool CheckArray(ScopedObjectAccess& soa, jarray java_array) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1117 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1118 | if (UNLIKELY(java_array == nullptr)) { |
| 1119 | AbortF("jarray was NULL"); |
| 1120 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1121 | } |
| 1122 | |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1123 | ObjPtr<mirror::Array> a = soa.Decode<mirror::Array>(java_array); |
Mathieu Chartier | 9d156d5 | 2016-10-06 17:44:26 -0700 | [diff] [blame] | 1124 | if (UNLIKELY(!Runtime::Current()->GetHeap()->IsValidObjectAddress(a.Ptr()))) { |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 1125 | Runtime::Current()->GetHeap()->DumpSpaces(LOG_STREAM(ERROR)); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1126 | AbortF("jarray is an invalid %s: %p (%p)", |
Andreas Gampe | dc061d0 | 2016-10-24 13:19:37 -0700 | [diff] [blame] | 1127 | GetIndirectRefKindString(IndirectReferenceTable::GetIndirectRefKind(java_array)), |
| 1128 | java_array, |
| 1129 | a.Ptr()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1130 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1131 | } else if (!a->IsArrayInstance()) { |
David Sehr | 709b070 | 2016-10-13 09:12:37 -0700 | [diff] [blame] | 1132 | AbortF("jarray argument has non-array type: %s", a->PrettyTypeOf().c_str()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1133 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1134 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1135 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1136 | } |
| 1137 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1138 | bool CheckBoolean(jboolean z) { |
| 1139 | if (z != JNI_TRUE && z != JNI_FALSE) { |
| 1140 | AbortF("unexpected jboolean value: %d", z); |
| 1141 | return false; |
| 1142 | } |
| 1143 | return true; |
| 1144 | } |
| 1145 | |
| 1146 | bool CheckLengthPositive(jsize length) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1147 | if (length < 0) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1148 | AbortF("negative jsize: %d", length); |
| 1149 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1150 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1151 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1152 | } |
| 1153 | |
Andreas Gampe | 08883de | 2016-11-08 13:20:52 -0800 | [diff] [blame] | 1154 | ArtField* CheckFieldID(jfieldID fid) REQUIRES_SHARED(Locks::mutator_lock_) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1155 | if (fid == nullptr) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1156 | AbortF("jfieldID was NULL"); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1157 | return nullptr; |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 1158 | } |
Andreas Gampe | 08883de | 2016-11-08 13:20:52 -0800 | [diff] [blame] | 1159 | ArtField* f = jni::DecodeArtField(fid); |
Mathieu Chartier | c785344 | 2015-03-27 14:35:38 -0700 | [diff] [blame] | 1160 | // TODO: Better check here. |
Mathieu Chartier | 9d156d5 | 2016-10-06 17:44:26 -0700 | [diff] [blame] | 1161 | if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(f->GetDeclaringClass().Ptr())) { |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 1162 | Runtime::Current()->GetHeap()->DumpSpaces(LOG_STREAM(ERROR)); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1163 | AbortF("invalid jfieldID: %p", fid); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1164 | return nullptr; |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 1165 | } |
| 1166 | return f; |
| 1167 | } |
| 1168 | |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 1169 | ArtMethod* CheckMethodID(jmethodID mid) REQUIRES_SHARED(Locks::mutator_lock_) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1170 | if (mid == nullptr) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1171 | AbortF("jmethodID was NULL"); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1172 | return nullptr; |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 1173 | } |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 1174 | ArtMethod* m = jni::DecodeArtMethod(mid); |
Mathieu Chartier | e401d14 | 2015-04-22 13:56:20 -0700 | [diff] [blame] | 1175 | // TODO: Better check here. |
| 1176 | if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(m->GetDeclaringClass())) { |
Andreas Gampe | 3fec9ac | 2016-09-13 10:47:28 -0700 | [diff] [blame] | 1177 | Runtime::Current()->GetHeap()->DumpSpaces(LOG_STREAM(ERROR)); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1178 | AbortF("invalid jmethodID: %p", mid); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1179 | return nullptr; |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 1180 | } |
| 1181 | return m; |
| 1182 | } |
| 1183 | |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 1184 | bool CheckThread(JNIEnv* env) REQUIRES_SHARED(Locks::mutator_lock_) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1185 | Thread* self = Thread::Current(); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1186 | if (self == nullptr) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1187 | AbortF("a thread (tid %d) is making JNI calls without being attached", GetTid()); |
| 1188 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1189 | } |
| 1190 | |
Daniel Erat | 35e827a | 2016-05-10 18:07:18 -0600 | [diff] [blame] | 1191 | // Get the current thread's JNIEnv by going through our TLS pointer. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1192 | JNIEnvExt* threadEnv = self->GetJniEnv(); |
| 1193 | |
Elliott Hughes | 3f6635a | 2012-06-19 13:37:49 -0700 | [diff] [blame] | 1194 | // Verify that the current thread is (a) attached and (b) associated with |
| 1195 | // this particular instance of JNIEnv. |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1196 | if (env != threadEnv) { |
Daniel Erat | 35e827a | 2016-05-10 18:07:18 -0600 | [diff] [blame] | 1197 | // Get the thread owning the JNIEnv that's being used. |
| 1198 | Thread* envThread = reinterpret_cast<JNIEnvExt*>(env)->self; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1199 | AbortF("thread %s using JNIEnv* from thread %s", |
Daniel Erat | 35e827a | 2016-05-10 18:07:18 -0600 | [diff] [blame] | 1200 | ToStr<Thread>(*self).c_str(), ToStr<Thread>(*envThread).c_str()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1201 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1202 | } |
| 1203 | |
Elliott Hughes | 3f6635a | 2012-06-19 13:37:49 -0700 | [diff] [blame] | 1204 | // Verify that, if this thread previously made a critical "get" call, we |
| 1205 | // do the corresponding "release" call before we try anything else. |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1206 | switch (flags_ & kFlag_CritMask) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1207 | case kFlag_CritOkay: // okay to call this method |
| 1208 | break; |
| 1209 | case kFlag_CritBad: // not okay to call |
| 1210 | if (threadEnv->critical) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1211 | AbortF("thread %s using JNI after critical get", |
| 1212 | ToStr<Thread>(*self).c_str()); |
| 1213 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1214 | } |
| 1215 | break; |
| 1216 | case kFlag_CritGet: // this is a "get" call |
Elliott Hughes | 3f6635a | 2012-06-19 13:37:49 -0700 | [diff] [blame] | 1217 | // Don't check here; we allow nested gets. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1218 | threadEnv->critical++; |
| 1219 | break; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 1220 | case kFlag_CritRelease: // this is a "release" call |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1221 | threadEnv->critical--; |
| 1222 | if (threadEnv->critical < 0) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1223 | AbortF("thread %s called too many critical releases", |
| 1224 | ToStr<Thread>(*self).c_str()); |
| 1225 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1226 | } |
| 1227 | break; |
| 1228 | default: |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1229 | LOG(FATAL) << "Bad flags (internal error): " << flags_; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1230 | } |
| 1231 | |
Elliott Hughes | 3f6635a | 2012-06-19 13:37:49 -0700 | [diff] [blame] | 1232 | // Verify that, if an exception has been raised, the native code doesn't |
| 1233 | // make any JNI calls other than the Exception* methods. |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1234 | if ((flags_ & kFlag_ExcepOkay) == 0 && self->IsExceptionPending()) { |
Nicolas Geoffray | 14691c5 | 2015-03-05 10:40:17 +0000 | [diff] [blame] | 1235 | mirror::Throwable* exception = self->GetException(); |
| 1236 | AbortF("JNI %s called with pending exception %s", |
| 1237 | function_name_, |
| 1238 | exception->Dump().c_str()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1239 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1240 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1241 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1242 | } |
| 1243 | |
Elliott Hughes | 3f6635a | 2012-06-19 13:37:49 -0700 | [diff] [blame] | 1244 | // Verifies that "bytes" points to valid Modified UTF-8 data. |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1245 | bool CheckUtfString(const char* bytes, bool nullable) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1246 | if (bytes == nullptr) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1247 | if (!nullable) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1248 | AbortF("non-nullable const char* was NULL"); |
| 1249 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1250 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1251 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1252 | } |
| 1253 | |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1254 | const char* errorKind = nullptr; |
Andreas Gampe | ef4afe9 | 2015-07-27 21:03:25 -0700 | [diff] [blame] | 1255 | const uint8_t* utf8 = CheckUtfBytes(bytes, &errorKind); |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1256 | if (errorKind != nullptr) { |
Andreas Gampe | ef4afe9 | 2015-07-27 21:03:25 -0700 | [diff] [blame] | 1257 | // This is an expensive loop that will resize often, but this isn't supposed to hit in |
| 1258 | // practice anyways. |
| 1259 | std::ostringstream oss; |
| 1260 | oss << std::hex; |
| 1261 | const uint8_t* tmp = reinterpret_cast<const uint8_t*>(bytes); |
| 1262 | while (*tmp != 0) { |
| 1263 | if (tmp == utf8) { |
| 1264 | oss << "<"; |
| 1265 | } |
| 1266 | oss << "0x" << std::setfill('0') << std::setw(2) << static_cast<uint32_t>(*tmp); |
| 1267 | if (tmp == utf8) { |
| 1268 | oss << '>'; |
| 1269 | } |
| 1270 | tmp++; |
| 1271 | if (*tmp != 0) { |
| 1272 | oss << ' '; |
| 1273 | } |
| 1274 | } |
| 1275 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1276 | AbortF("input is not valid Modified UTF-8: illegal %s byte %#x\n" |
Andreas Gampe | ef4afe9 | 2015-07-27 21:03:25 -0700 | [diff] [blame] | 1277 | " string: '%s'\n input: '%s'", errorKind, *utf8, bytes, oss.str().c_str()); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1278 | return false; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1279 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1280 | return true; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1281 | } |
| 1282 | |
Narayan Kamath | a5afcfc | 2015-01-29 20:06:46 +0000 | [diff] [blame] | 1283 | // Checks whether |bytes| is valid modified UTF-8. We also accept 4 byte UTF |
| 1284 | // sequences in place of encoded surrogate pairs. |
Andreas Gampe | ef4afe9 | 2015-07-27 21:03:25 -0700 | [diff] [blame] | 1285 | static const uint8_t* CheckUtfBytes(const char* bytes, const char** errorKind) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1286 | while (*bytes != '\0') { |
Andreas Gampe | ef4afe9 | 2015-07-27 21:03:25 -0700 | [diff] [blame] | 1287 | const uint8_t* utf8 = reinterpret_cast<const uint8_t*>(bytes++); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1288 | // Switch on the high four bits. |
Andreas Gampe | ef4afe9 | 2015-07-27 21:03:25 -0700 | [diff] [blame] | 1289 | switch (*utf8 >> 4) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1290 | case 0x00: |
| 1291 | case 0x01: |
| 1292 | case 0x02: |
| 1293 | case 0x03: |
| 1294 | case 0x04: |
| 1295 | case 0x05: |
| 1296 | case 0x06: |
| 1297 | case 0x07: |
| 1298 | // Bit pattern 0xxx. No need for any extra bytes. |
| 1299 | break; |
| 1300 | case 0x08: |
| 1301 | case 0x09: |
| 1302 | case 0x0a: |
| 1303 | case 0x0b: |
Narayan Kamath | a5afcfc | 2015-01-29 20:06:46 +0000 | [diff] [blame] | 1304 | // Bit patterns 10xx, which are illegal start bytes. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1305 | *errorKind = "start"; |
| 1306 | return utf8; |
Narayan Kamath | a5afcfc | 2015-01-29 20:06:46 +0000 | [diff] [blame] | 1307 | case 0x0f: |
| 1308 | // Bit pattern 1111, which might be the start of a 4 byte sequence. |
Andreas Gampe | ef4afe9 | 2015-07-27 21:03:25 -0700 | [diff] [blame] | 1309 | if ((*utf8 & 0x08) == 0) { |
Narayan Kamath | a5afcfc | 2015-01-29 20:06:46 +0000 | [diff] [blame] | 1310 | // Bit pattern 1111 0xxx, which is the start of a 4 byte sequence. |
| 1311 | // We consume one continuation byte here, and fall through to consume two more. |
Andreas Gampe | ef4afe9 | 2015-07-27 21:03:25 -0700 | [diff] [blame] | 1312 | utf8 = reinterpret_cast<const uint8_t*>(bytes++); |
| 1313 | if ((*utf8 & 0xc0) != 0x80) { |
Narayan Kamath | a5afcfc | 2015-01-29 20:06:46 +0000 | [diff] [blame] | 1314 | *errorKind = "continuation"; |
| 1315 | return utf8; |
| 1316 | } |
| 1317 | } else { |
| 1318 | *errorKind = "start"; |
| 1319 | return utf8; |
| 1320 | } |
| 1321 | |
| 1322 | // Fall through to the cases below to consume two more continuation bytes. |
| 1323 | FALLTHROUGH_INTENDED; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1324 | case 0x0e: |
| 1325 | // Bit pattern 1110, so there are two additional bytes. |
Andreas Gampe | ef4afe9 | 2015-07-27 21:03:25 -0700 | [diff] [blame] | 1326 | utf8 = reinterpret_cast<const uint8_t*>(bytes++); |
| 1327 | if ((*utf8 & 0xc0) != 0x80) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1328 | *errorKind = "continuation"; |
| 1329 | return utf8; |
| 1330 | } |
Narayan Kamath | a5afcfc | 2015-01-29 20:06:46 +0000 | [diff] [blame] | 1331 | |
| 1332 | // Fall through to consume one more continuation byte. |
| 1333 | FALLTHROUGH_INTENDED; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1334 | case 0x0c: |
| 1335 | case 0x0d: |
| 1336 | // Bit pattern 110x, so there is one additional byte. |
Andreas Gampe | ef4afe9 | 2015-07-27 21:03:25 -0700 | [diff] [blame] | 1337 | utf8 = reinterpret_cast<const uint8_t*>(bytes++); |
| 1338 | if ((*utf8 & 0xc0) != 0x80) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1339 | *errorKind = "continuation"; |
| 1340 | return utf8; |
| 1341 | } |
| 1342 | break; |
| 1343 | } |
| 1344 | } |
| 1345 | return 0; |
| 1346 | } |
| 1347 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1348 | void AbortF(const char* fmt, ...) __attribute__((__format__(__printf__, 2, 3))) { |
| 1349 | va_list args; |
| 1350 | va_start(args, fmt); |
| 1351 | Runtime::Current()->GetJavaVM()->JniAbortV(function_name_, fmt, args); |
| 1352 | va_end(args); |
| 1353 | } |
| 1354 | |
| 1355 | // The name of the JNI function being checked. |
| 1356 | const char* const function_name_; |
| 1357 | |
| 1358 | const int flags_; |
Elliott Hughes | 92cb498 | 2011-12-16 16:57:28 -0800 | [diff] [blame] | 1359 | int indent_; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1360 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1361 | const bool has_method_; |
| 1362 | |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1363 | DISALLOW_COPY_AND_ASSIGN(ScopedCheck); |
| 1364 | }; |
| 1365 | |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1366 | /* |
| 1367 | * =========================================================================== |
| 1368 | * Guarded arrays |
| 1369 | * =========================================================================== |
| 1370 | */ |
| 1371 | |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1372 | /* this gets tucked in at the start of the buffer; struct size must be even */ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1373 | class GuardedCopy { |
| 1374 | public: |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1375 | /* |
| 1376 | * Create an over-sized buffer to hold the contents of "buf". Copy it in, |
| 1377 | * filling in the area around it with guard data. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1378 | */ |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 1379 | static void* Create(void* original_buf, size_t len, bool mod_okay) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1380 | const size_t new_len = LengthIncludingRedZones(len); |
| 1381 | uint8_t* const new_buf = DebugAlloc(new_len); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1382 | |
Elliott Hughes | 3f6635a | 2012-06-19 13:37:49 -0700 | [diff] [blame] | 1383 | // If modification is not expected, grab a checksum. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1384 | uLong adler = 0; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1385 | if (!mod_okay) { |
| 1386 | adler = adler32(adler32(0L, Z_NULL, 0), reinterpret_cast<const Bytef*>(original_buf), len); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1387 | } |
| 1388 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1389 | GuardedCopy* copy = new (new_buf) GuardedCopy(original_buf, len, adler); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1390 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1391 | // Fill begin region with canary pattern. |
| 1392 | const size_t kStartCanaryLength = (GuardedCopy::kRedZoneSize / 2) - sizeof(GuardedCopy); |
| 1393 | for (size_t i = 0, j = 0; i < kStartCanaryLength; ++i) { |
| 1394 | const_cast<char*>(copy->StartRedZone())[i] = kCanary[j]; |
| 1395 | if (kCanary[j] == '\0') { |
| 1396 | j = 0; |
tony.ys_liu | 068361a | 2015-07-14 16:25:16 +0800 | [diff] [blame] | 1397 | } else { |
| 1398 | j++; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1399 | } |
| 1400 | } |
| 1401 | |
| 1402 | // Copy the data in; note "len" could be zero. |
| 1403 | memcpy(const_cast<uint8_t*>(copy->BufferWithinRedZones()), original_buf, len); |
| 1404 | |
| 1405 | // Fill end region with canary pattern. |
| 1406 | for (size_t i = 0, j = 0; i < kEndCanaryLength; ++i) { |
| 1407 | const_cast<char*>(copy->EndRedZone())[i] = kCanary[j]; |
| 1408 | if (kCanary[j] == '\0') { |
| 1409 | j = 0; |
tony.ys_liu | 068361a | 2015-07-14 16:25:16 +0800 | [diff] [blame] | 1410 | } else { |
| 1411 | j++; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1412 | } |
| 1413 | } |
| 1414 | |
| 1415 | return const_cast<uint8_t*>(copy->BufferWithinRedZones()); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1416 | } |
| 1417 | |
| 1418 | /* |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1419 | * Create a guarded copy of a primitive array. Modifications to the copied |
| 1420 | * data are allowed. Returns a pointer to the copied data. |
| 1421 | */ |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 1422 | static void* CreateGuardedPACopy(JNIEnv* env, const jarray java_array, jboolean* is_copy, |
| 1423 | void* original_ptr) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1424 | ScopedObjectAccess soa(env); |
| 1425 | |
Mathieu Chartier | 0795f23 | 2016-09-27 18:43:30 -0700 | [diff] [blame] | 1426 | ObjPtr<mirror::Array> a = soa.Decode<mirror::Array>(java_array); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1427 | size_t component_size = a->GetClass()->GetComponentSize(); |
| 1428 | size_t byte_count = a->GetLength() * component_size; |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 1429 | void* result = Create(original_ptr, byte_count, true); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1430 | if (is_copy != nullptr) { |
| 1431 | *is_copy = JNI_TRUE; |
| 1432 | } |
| 1433 | return result; |
| 1434 | } |
| 1435 | |
| 1436 | /* |
| 1437 | * Perform the array "release" operation, which may or may not copy data |
| 1438 | * back into the managed heap, and may or may not release the underlying storage. |
| 1439 | */ |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 1440 | static void* ReleaseGuardedPACopy(const char* function_name, JNIEnv* env, |
| 1441 | jarray java_array ATTRIBUTE_UNUSED, void* embedded_buf, |
| 1442 | int mode) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1443 | ScopedObjectAccess soa(env); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1444 | if (!GuardedCopy::Check(function_name, embedded_buf, true)) { |
| 1445 | return nullptr; |
| 1446 | } |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 1447 | GuardedCopy* const copy = FromEmbedded(embedded_buf); |
| 1448 | void* original_ptr = copy->original_ptr_; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1449 | if (mode != JNI_ABORT) { |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 1450 | memcpy(original_ptr, embedded_buf, copy->original_length_); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1451 | } |
| 1452 | if (mode != JNI_COMMIT) { |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 1453 | Destroy(embedded_buf); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1454 | } |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 1455 | return original_ptr; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1456 | } |
| 1457 | |
| 1458 | |
| 1459 | /* |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1460 | * Free up the guard buffer, scrub it, and return the original pointer. |
| 1461 | */ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1462 | static void* Destroy(void* embedded_buf) { |
| 1463 | GuardedCopy* copy = FromEmbedded(embedded_buf); |
| 1464 | void* original_ptr = const_cast<void*>(copy->original_ptr_); |
| 1465 | size_t len = LengthIncludingRedZones(copy->original_length_); |
| 1466 | DebugFree(copy, len); |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 1467 | return original_ptr; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1468 | } |
| 1469 | |
| 1470 | /* |
| 1471 | * Verify the guard area and, if "modOkay" is false, that the data itself |
| 1472 | * has not been altered. |
| 1473 | * |
Mathieu Chartier | 2cebb24 | 2015-04-21 16:50:40 -0700 | [diff] [blame] | 1474 | * The caller has already checked that "dataBuf" is non-null. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1475 | */ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1476 | static bool Check(const char* function_name, const void* embedded_buf, bool mod_okay) { |
| 1477 | const GuardedCopy* copy = FromEmbedded(embedded_buf); |
| 1478 | return copy->CheckHeader(function_name, mod_okay) && copy->CheckRedZones(function_name); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1479 | } |
| 1480 | |
| 1481 | private: |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 1482 | GuardedCopy(void* original_buf, size_t len, uLong adler) : |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1483 | magic_(kGuardMagic), adler_(adler), original_ptr_(original_buf), original_length_(len) { |
| 1484 | } |
| 1485 | |
Elliott Hughes | 32ae6e3 | 2011-09-27 10:46:50 -0700 | [diff] [blame] | 1486 | static uint8_t* DebugAlloc(size_t len) { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 1487 | void* result = mmap(nullptr, len, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANON, -1, 0); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1488 | if (result == MAP_FAILED) { |
| 1489 | PLOG(FATAL) << "GuardedCopy::create mmap(" << len << ") failed"; |
| 1490 | } |
| 1491 | return reinterpret_cast<uint8_t*>(result); |
| 1492 | } |
| 1493 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1494 | static void DebugFree(void* buf, size_t len) { |
| 1495 | if (munmap(buf, len) != 0) { |
| 1496 | PLOG(FATAL) << "munmap(" << buf << ", " << len << ") failed"; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1497 | } |
| 1498 | } |
| 1499 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1500 | static size_t LengthIncludingRedZones(size_t len) { |
| 1501 | return len + kRedZoneSize; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1502 | } |
| 1503 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1504 | // Get the GuardedCopy from the interior pointer. |
| 1505 | static GuardedCopy* FromEmbedded(void* embedded_buf) { |
| 1506 | return reinterpret_cast<GuardedCopy*>( |
| 1507 | reinterpret_cast<uint8_t*>(embedded_buf) - (kRedZoneSize / 2)); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1508 | } |
| 1509 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1510 | static const GuardedCopy* FromEmbedded(const void* embedded_buf) { |
| 1511 | return reinterpret_cast<const GuardedCopy*>( |
| 1512 | reinterpret_cast<const uint8_t*>(embedded_buf) - (kRedZoneSize / 2)); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1513 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1514 | |
| 1515 | static void AbortF(const char* jni_function_name, const char* fmt, ...) { |
| 1516 | va_list args; |
| 1517 | va_start(args, fmt); |
| 1518 | Runtime::Current()->GetJavaVM()->JniAbortV(jni_function_name, fmt, args); |
| 1519 | va_end(args); |
| 1520 | } |
| 1521 | |
| 1522 | bool CheckHeader(const char* function_name, bool mod_okay) const { |
| 1523 | static const uint32_t kMagicCmp = kGuardMagic; |
| 1524 | |
| 1525 | // Before we do anything with "pExtra", check the magic number. We |
| 1526 | // do the check with memcmp rather than "==" in case the pointer is |
| 1527 | // unaligned. If it points to completely bogus memory we're going |
| 1528 | // to crash, but there's no easy way around that. |
| 1529 | if (UNLIKELY(memcmp(&magic_, &kMagicCmp, 4) != 0)) { |
| 1530 | uint8_t buf[4]; |
| 1531 | memcpy(buf, &magic_, 4); |
| 1532 | AbortF(function_name, |
| 1533 | "guard magic does not match (found 0x%02x%02x%02x%02x) -- incorrect data pointer %p?", |
| 1534 | buf[3], buf[2], buf[1], buf[0], this); // Assumes little-endian. |
| 1535 | return false; |
| 1536 | } |
| 1537 | |
| 1538 | // If modification is not expected, verify checksum. Strictly speaking this is wrong: if we |
| 1539 | // told the client that we made a copy, there's no reason they can't alter the buffer. |
| 1540 | if (!mod_okay) { |
| 1541 | uLong computed_adler = |
| 1542 | adler32(adler32(0L, Z_NULL, 0), BufferWithinRedZones(), original_length_); |
| 1543 | if (computed_adler != adler_) { |
| 1544 | AbortF(function_name, "buffer modified (0x%08lx vs 0x%08lx) at address %p", |
| 1545 | computed_adler, adler_, this); |
| 1546 | return false; |
| 1547 | } |
| 1548 | } |
| 1549 | return true; |
| 1550 | } |
| 1551 | |
| 1552 | bool CheckRedZones(const char* function_name) const { |
| 1553 | // Check the begin red zone. |
| 1554 | const size_t kStartCanaryLength = (GuardedCopy::kRedZoneSize / 2) - sizeof(GuardedCopy); |
| 1555 | for (size_t i = 0, j = 0; i < kStartCanaryLength; ++i) { |
| 1556 | if (UNLIKELY(StartRedZone()[i] != kCanary[j])) { |
| 1557 | AbortF(function_name, "guard pattern before buffer disturbed at %p +%zd", this, i); |
| 1558 | return false; |
| 1559 | } |
| 1560 | if (kCanary[j] == '\0') { |
| 1561 | j = 0; |
tony.ys_liu | 068361a | 2015-07-14 16:25:16 +0800 | [diff] [blame] | 1562 | } else { |
| 1563 | j++; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1564 | } |
| 1565 | } |
| 1566 | |
| 1567 | // Check end region. |
| 1568 | for (size_t i = 0, j = 0; i < kEndCanaryLength; ++i) { |
| 1569 | if (UNLIKELY(EndRedZone()[i] != kCanary[j])) { |
| 1570 | size_t offset_from_buffer_start = |
| 1571 | &(EndRedZone()[i]) - &(StartRedZone()[kStartCanaryLength]); |
| 1572 | AbortF(function_name, "guard pattern after buffer disturbed at %p +%zd", this, |
| 1573 | offset_from_buffer_start); |
| 1574 | return false; |
| 1575 | } |
| 1576 | if (kCanary[j] == '\0') { |
| 1577 | j = 0; |
tony.ys_liu | 068361a | 2015-07-14 16:25:16 +0800 | [diff] [blame] | 1578 | } else { |
| 1579 | j++; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1580 | } |
| 1581 | } |
| 1582 | return true; |
| 1583 | } |
| 1584 | |
| 1585 | // Location that canary value will be written before the guarded region. |
| 1586 | const char* StartRedZone() const { |
| 1587 | const uint8_t* buf = reinterpret_cast<const uint8_t*>(this); |
| 1588 | return reinterpret_cast<const char*>(buf + sizeof(GuardedCopy)); |
| 1589 | } |
| 1590 | |
| 1591 | // Return the interior embedded buffer. |
| 1592 | const uint8_t* BufferWithinRedZones() const { |
| 1593 | const uint8_t* embedded_buf = reinterpret_cast<const uint8_t*>(this) + (kRedZoneSize / 2); |
| 1594 | return embedded_buf; |
| 1595 | } |
| 1596 | |
| 1597 | // Location that canary value will be written after the guarded region. |
| 1598 | const char* EndRedZone() const { |
| 1599 | const uint8_t* buf = reinterpret_cast<const uint8_t*>(this); |
| 1600 | size_t buf_len = LengthIncludingRedZones(original_length_); |
| 1601 | return reinterpret_cast<const char*>(buf + (buf_len - (kRedZoneSize / 2))); |
| 1602 | } |
| 1603 | |
| 1604 | static constexpr size_t kRedZoneSize = 512; |
| 1605 | static constexpr size_t kEndCanaryLength = kRedZoneSize / 2; |
| 1606 | |
| 1607 | // Value written before and after the guarded array. |
| 1608 | static const char* const kCanary; |
| 1609 | |
| 1610 | static constexpr uint32_t kGuardMagic = 0xffd5aa96; |
| 1611 | |
| 1612 | const uint32_t magic_; |
| 1613 | const uLong adler_; |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 1614 | void* const original_ptr_; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1615 | const size_t original_length_; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1616 | }; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1617 | const char* const GuardedCopy::kCanary = "JNI BUFFER RED ZONE"; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1618 | |
| 1619 | /* |
| 1620 | * =========================================================================== |
| 1621 | * JNI functions |
| 1622 | * =========================================================================== |
| 1623 | */ |
| 1624 | |
| 1625 | class CheckJNI { |
| 1626 | public: |
| 1627 | static jint GetVersion(JNIEnv* env) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1628 | ScopedObjectAccess soa(env); |
| 1629 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1630 | JniValueType args[1] = {{.E = env }}; |
| 1631 | if (sc.Check(soa, true, "E", args)) { |
| 1632 | JniValueType result; |
| 1633 | result.I = baseEnv(env)->GetVersion(env); |
| 1634 | if (sc.Check(soa, false, "I", &result)) { |
| 1635 | return result.I; |
| 1636 | } |
| 1637 | } |
| 1638 | return JNI_ERR; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1639 | } |
| 1640 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1641 | static jint GetJavaVM(JNIEnv *env, JavaVM **vm) { |
| 1642 | ScopedObjectAccess soa(env); |
| 1643 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1644 | JniValueType args[2] = {{.E = env }, {.p = vm}}; |
| 1645 | if (sc.Check(soa, true, "Ep", args)) { |
| 1646 | JniValueType result; |
| 1647 | result.i = baseEnv(env)->GetJavaVM(env, vm); |
| 1648 | if (sc.Check(soa, false, "i", &result)) { |
| 1649 | return result.i; |
| 1650 | } |
| 1651 | } |
| 1652 | return JNI_ERR; |
| 1653 | } |
| 1654 | |
| 1655 | static jint RegisterNatives(JNIEnv* env, jclass c, const JNINativeMethod* methods, jint nMethods) { |
| 1656 | ScopedObjectAccess soa(env); |
| 1657 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1658 | JniValueType args[4] = {{.E = env }, {.c = c}, {.p = methods}, {.I = nMethods}}; |
| 1659 | if (sc.Check(soa, true, "EcpI", args)) { |
| 1660 | JniValueType result; |
| 1661 | result.i = baseEnv(env)->RegisterNatives(env, c, methods, nMethods); |
| 1662 | if (sc.Check(soa, false, "i", &result)) { |
| 1663 | return result.i; |
| 1664 | } |
| 1665 | } |
| 1666 | return JNI_ERR; |
| 1667 | } |
| 1668 | |
| 1669 | static jint UnregisterNatives(JNIEnv* env, jclass c) { |
| 1670 | ScopedObjectAccess soa(env); |
| 1671 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1672 | JniValueType args[2] = {{.E = env }, {.c = c}}; |
| 1673 | if (sc.Check(soa, true, "Ec", args)) { |
| 1674 | JniValueType result; |
| 1675 | result.i = baseEnv(env)->UnregisterNatives(env, c); |
| 1676 | if (sc.Check(soa, false, "i", &result)) { |
| 1677 | return result.i; |
| 1678 | } |
| 1679 | } |
| 1680 | return JNI_ERR; |
| 1681 | } |
| 1682 | |
| 1683 | static jobjectRefType GetObjectRefType(JNIEnv* env, jobject obj) { |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 1684 | // Note: we use "EL" here but "Ep" has been used in the past on the basis that we'd like to |
| 1685 | // know the object is invalid. The spec says that passing invalid objects or even ones that |
| 1686 | // are deleted isn't supported. |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1687 | ScopedObjectAccess soa(env); |
| 1688 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
Ian Rogers | c0542af | 2014-09-03 16:16:56 -0700 | [diff] [blame] | 1689 | JniValueType args[2] = {{.E = env }, {.L = obj}}; |
| 1690 | if (sc.Check(soa, true, "EL", args)) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1691 | JniValueType result; |
| 1692 | result.w = baseEnv(env)->GetObjectRefType(env, obj); |
| 1693 | if (sc.Check(soa, false, "w", &result)) { |
| 1694 | return result.w; |
| 1695 | } |
| 1696 | } |
| 1697 | return JNIInvalidRefType; |
| 1698 | } |
| 1699 | |
| 1700 | static jclass DefineClass(JNIEnv* env, const char* name, jobject loader, const jbyte* buf, |
| 1701 | jsize bufLen) { |
| 1702 | ScopedObjectAccess soa(env); |
| 1703 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1704 | JniValueType args[5] = {{.E = env}, {.u = name}, {.L = loader}, {.p = buf}, {.z = bufLen}}; |
| 1705 | if (sc.Check(soa, true, "EuLpz", args) && sc.CheckClassName(name)) { |
| 1706 | JniValueType result; |
| 1707 | result.c = baseEnv(env)->DefineClass(env, name, loader, buf, bufLen); |
| 1708 | if (sc.Check(soa, false, "c", &result)) { |
| 1709 | return result.c; |
| 1710 | } |
| 1711 | } |
| 1712 | return nullptr; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1713 | } |
| 1714 | |
| 1715 | static jclass FindClass(JNIEnv* env, const char* name) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1716 | ScopedObjectAccess soa(env); |
| 1717 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1718 | JniValueType args[2] = {{.E = env}, {.u = name}}; |
| 1719 | if (sc.Check(soa, true, "Eu", args) && sc.CheckClassName(name)) { |
| 1720 | JniValueType result; |
| 1721 | result.c = baseEnv(env)->FindClass(env, name); |
| 1722 | if (sc.Check(soa, false, "c", &result)) { |
| 1723 | return result.c; |
| 1724 | } |
| 1725 | } |
| 1726 | return nullptr; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1727 | } |
| 1728 | |
Elliott Hughes | e84278b | 2012-03-22 10:06:53 -0700 | [diff] [blame] | 1729 | static jclass GetSuperclass(JNIEnv* env, jclass c) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1730 | ScopedObjectAccess soa(env); |
| 1731 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1732 | JniValueType args[2] = {{.E = env}, {.c = c}}; |
| 1733 | if (sc.Check(soa, true, "Ec", args)) { |
| 1734 | JniValueType result; |
| 1735 | result.c = baseEnv(env)->GetSuperclass(env, c); |
| 1736 | if (sc.Check(soa, false, "c", &result)) { |
| 1737 | return result.c; |
| 1738 | } |
| 1739 | } |
| 1740 | return nullptr; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1741 | } |
| 1742 | |
Elliott Hughes | e84278b | 2012-03-22 10:06:53 -0700 | [diff] [blame] | 1743 | static jboolean IsAssignableFrom(JNIEnv* env, jclass c1, jclass c2) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1744 | ScopedObjectAccess soa(env); |
| 1745 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1746 | JniValueType args[3] = {{.E = env}, {.c = c1}, {.c = c2}}; |
| 1747 | if (sc.Check(soa, true, "Ecc", args)) { |
| 1748 | JniValueType result; |
| 1749 | result.b = baseEnv(env)->IsAssignableFrom(env, c1, c2); |
| 1750 | if (sc.Check(soa, false, "b", &result)) { |
| 1751 | return result.b; |
| 1752 | } |
| 1753 | } |
| 1754 | return JNI_FALSE; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1755 | } |
| 1756 | |
| 1757 | static jmethodID FromReflectedMethod(JNIEnv* env, jobject method) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1758 | ScopedObjectAccess soa(env); |
| 1759 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1760 | JniValueType args[2] = {{.E = env}, {.L = method}}; |
| 1761 | if (sc.Check(soa, true, "EL", args) && sc.CheckReflectedMethod(soa, method)) { |
| 1762 | JniValueType result; |
| 1763 | result.m = baseEnv(env)->FromReflectedMethod(env, method); |
| 1764 | if (sc.Check(soa, false, "m", &result)) { |
| 1765 | return result.m; |
| 1766 | } |
| 1767 | } |
| 1768 | return nullptr; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1769 | } |
| 1770 | |
| 1771 | static jfieldID FromReflectedField(JNIEnv* env, jobject field) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1772 | ScopedObjectAccess soa(env); |
| 1773 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1774 | JniValueType args[2] = {{.E = env}, {.L = field}}; |
| 1775 | if (sc.Check(soa, true, "EL", args) && sc.CheckReflectedField(soa, field)) { |
| 1776 | JniValueType result; |
| 1777 | result.f = baseEnv(env)->FromReflectedField(env, field); |
| 1778 | if (sc.Check(soa, false, "f", &result)) { |
| 1779 | return result.f; |
| 1780 | } |
| 1781 | } |
| 1782 | return nullptr; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1783 | } |
| 1784 | |
| 1785 | static jobject ToReflectedMethod(JNIEnv* env, jclass cls, jmethodID mid, jboolean isStatic) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1786 | ScopedObjectAccess soa(env); |
| 1787 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1788 | JniValueType args[4] = {{.E = env}, {.c = cls}, {.m = mid}, {.b = isStatic}}; |
| 1789 | if (sc.Check(soa, true, "Ecmb", args)) { |
| 1790 | JniValueType result; |
| 1791 | result.L = baseEnv(env)->ToReflectedMethod(env, cls, mid, isStatic); |
| 1792 | if (sc.Check(soa, false, "L", &result) && (result.L != nullptr)) { |
| 1793 | DCHECK(sc.CheckReflectedMethod(soa, result.L)); |
| 1794 | return result.L; |
| 1795 | } |
| 1796 | } |
| 1797 | return nullptr; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1798 | } |
| 1799 | |
| 1800 | static jobject ToReflectedField(JNIEnv* env, jclass cls, jfieldID fid, jboolean isStatic) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1801 | ScopedObjectAccess soa(env); |
| 1802 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1803 | JniValueType args[4] = {{.E = env}, {.c = cls}, {.f = fid}, {.b = isStatic}}; |
| 1804 | if (sc.Check(soa, true, "Ecfb", args)) { |
| 1805 | JniValueType result; |
| 1806 | result.L = baseEnv(env)->ToReflectedField(env, cls, fid, isStatic); |
| 1807 | if (sc.Check(soa, false, "L", &result) && (result.L != nullptr)) { |
| 1808 | DCHECK(sc.CheckReflectedField(soa, result.L)); |
| 1809 | return result.L; |
| 1810 | } |
| 1811 | } |
| 1812 | return nullptr; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1813 | } |
| 1814 | |
| 1815 | static jint Throw(JNIEnv* env, jthrowable obj) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1816 | ScopedObjectAccess soa(env); |
| 1817 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1818 | JniValueType args[2] = {{.E = env}, {.t = obj}}; |
| 1819 | if (sc.Check(soa, true, "Et", args) && sc.CheckThrowable(soa, obj)) { |
| 1820 | JniValueType result; |
| 1821 | result.i = baseEnv(env)->Throw(env, obj); |
| 1822 | if (sc.Check(soa, false, "i", &result)) { |
| 1823 | return result.i; |
| 1824 | } |
| 1825 | } |
| 1826 | return JNI_ERR; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1827 | } |
| 1828 | |
Elliott Hughes | e84278b | 2012-03-22 10:06:53 -0700 | [diff] [blame] | 1829 | static jint ThrowNew(JNIEnv* env, jclass c, const char* message) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1830 | ScopedObjectAccess soa(env); |
| 1831 | ScopedCheck sc(kFlag_NullableUtf, __FUNCTION__); |
Christopher Ferris | c50358b | 2015-04-17 13:26:09 -0700 | [diff] [blame] | 1832 | JniValueType args[3] = {{.E = env}, {.c = c}, {.u = message}}; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1833 | if (sc.Check(soa, true, "Ecu", args) && sc.CheckThrowableClass(soa, c)) { |
| 1834 | JniValueType result; |
| 1835 | result.i = baseEnv(env)->ThrowNew(env, c, message); |
| 1836 | if (sc.Check(soa, false, "i", &result)) { |
| 1837 | return result.i; |
| 1838 | } |
| 1839 | } |
| 1840 | return JNI_ERR; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1841 | } |
| 1842 | |
| 1843 | static jthrowable ExceptionOccurred(JNIEnv* env) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1844 | ScopedObjectAccess soa(env); |
| 1845 | ScopedCheck sc(kFlag_ExcepOkay, __FUNCTION__); |
| 1846 | JniValueType args[1] = {{.E = env}}; |
| 1847 | if (sc.Check(soa, true, "E", args)) { |
| 1848 | JniValueType result; |
| 1849 | result.t = baseEnv(env)->ExceptionOccurred(env); |
| 1850 | if (sc.Check(soa, false, "t", &result)) { |
| 1851 | return result.t; |
| 1852 | } |
| 1853 | } |
| 1854 | return nullptr; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1855 | } |
| 1856 | |
| 1857 | static void ExceptionDescribe(JNIEnv* env) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1858 | ScopedObjectAccess soa(env); |
| 1859 | ScopedCheck sc(kFlag_ExcepOkay, __FUNCTION__); |
| 1860 | JniValueType args[1] = {{.E = env}}; |
| 1861 | if (sc.Check(soa, true, "E", args)) { |
| 1862 | JniValueType result; |
| 1863 | baseEnv(env)->ExceptionDescribe(env); |
| 1864 | result.V = nullptr; |
| 1865 | sc.Check(soa, false, "V", &result); |
| 1866 | } |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1867 | } |
| 1868 | |
| 1869 | static void ExceptionClear(JNIEnv* env) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1870 | ScopedObjectAccess soa(env); |
| 1871 | ScopedCheck sc(kFlag_ExcepOkay, __FUNCTION__); |
| 1872 | JniValueType args[1] = {{.E = env}}; |
| 1873 | if (sc.Check(soa, true, "E", args)) { |
| 1874 | JniValueType result; |
| 1875 | baseEnv(env)->ExceptionClear(env); |
| 1876 | result.V = nullptr; |
| 1877 | sc.Check(soa, false, "V", &result); |
| 1878 | } |
| 1879 | } |
| 1880 | |
| 1881 | static jboolean ExceptionCheck(JNIEnv* env) { |
| 1882 | ScopedObjectAccess soa(env); |
| 1883 | ScopedCheck sc(kFlag_CritOkay | kFlag_ExcepOkay, __FUNCTION__); |
| 1884 | JniValueType args[1] = {{.E = env}}; |
| 1885 | if (sc.Check(soa, true, "E", args)) { |
| 1886 | JniValueType result; |
| 1887 | result.b = baseEnv(env)->ExceptionCheck(env); |
| 1888 | if (sc.Check(soa, false, "b", &result)) { |
| 1889 | return result.b; |
| 1890 | } |
| 1891 | } |
| 1892 | return JNI_FALSE; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1893 | } |
| 1894 | |
| 1895 | static void FatalError(JNIEnv* env, const char* msg) { |
Elliott Hughes | c4378df | 2013-06-14 17:05:13 -0700 | [diff] [blame] | 1896 | // The JNI specification doesn't say it's okay to call FatalError with a pending exception, |
| 1897 | // but you're about to abort anyway, and it's quite likely that you have a pending exception, |
| 1898 | // and it's not unimaginable that you don't know that you do. So we allow it. |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1899 | ScopedObjectAccess soa(env); |
| 1900 | ScopedCheck sc(kFlag_ExcepOkay | kFlag_NullableUtf, __FUNCTION__); |
| 1901 | JniValueType args[2] = {{.E = env}, {.u = msg}}; |
| 1902 | if (sc.Check(soa, true, "Eu", args)) { |
| 1903 | JniValueType result; |
| 1904 | baseEnv(env)->FatalError(env, msg); |
| 1905 | // Unreachable. |
| 1906 | result.V = nullptr; |
| 1907 | sc.Check(soa, false, "V", &result); |
| 1908 | } |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1909 | } |
| 1910 | |
| 1911 | static jint PushLocalFrame(JNIEnv* env, jint capacity) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1912 | ScopedObjectAccess soa(env); |
| 1913 | ScopedCheck sc(kFlag_ExcepOkay, __FUNCTION__); |
| 1914 | JniValueType args[2] = {{.E = env}, {.I = capacity}}; |
| 1915 | if (sc.Check(soa, true, "EI", args)) { |
| 1916 | JniValueType result; |
| 1917 | result.i = baseEnv(env)->PushLocalFrame(env, capacity); |
| 1918 | if (sc.Check(soa, false, "i", &result)) { |
| 1919 | return result.i; |
| 1920 | } |
| 1921 | } |
| 1922 | return JNI_ERR; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1923 | } |
| 1924 | |
| 1925 | static jobject PopLocalFrame(JNIEnv* env, jobject res) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1926 | ScopedObjectAccess soa(env); |
| 1927 | ScopedCheck sc(kFlag_ExcepOkay, __FUNCTION__); |
| 1928 | JniValueType args[2] = {{.E = env}, {.L = res}}; |
| 1929 | if (sc.Check(soa, true, "EL", args)) { |
| 1930 | JniValueType result; |
| 1931 | result.L = baseEnv(env)->PopLocalFrame(env, res); |
| 1932 | sc.Check(soa, false, "L", &result); |
| 1933 | return result.L; |
| 1934 | } |
| 1935 | return nullptr; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1936 | } |
| 1937 | |
| 1938 | static jobject NewGlobalRef(JNIEnv* env, jobject obj) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1939 | return NewRef(__FUNCTION__, env, obj, kGlobal); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1940 | } |
| 1941 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1942 | static jobject NewLocalRef(JNIEnv* env, jobject obj) { |
| 1943 | return NewRef(__FUNCTION__, env, obj, kLocal); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1944 | } |
| 1945 | |
| 1946 | static jweak NewWeakGlobalRef(JNIEnv* env, jobject obj) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1947 | return NewRef(__FUNCTION__, env, obj, kWeakGlobal); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1948 | } |
| 1949 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1950 | static void DeleteGlobalRef(JNIEnv* env, jobject obj) { |
| 1951 | DeleteRef(__FUNCTION__, env, obj, kGlobal); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 1952 | } |
| 1953 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 1954 | static void DeleteWeakGlobalRef(JNIEnv* env, jweak obj) { |
| 1955 | DeleteRef(__FUNCTION__, env, obj, kWeakGlobal); |
| 1956 | } |
| 1957 | |
| 1958 | static void DeleteLocalRef(JNIEnv* env, jobject obj) { |
| 1959 | DeleteRef(__FUNCTION__, env, obj, kLocal); |
| 1960 | } |
| 1961 | |
| 1962 | static jint EnsureLocalCapacity(JNIEnv *env, jint capacity) { |
| 1963 | ScopedObjectAccess soa(env); |
| 1964 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1965 | JniValueType args[2] = {{.E = env}, {.I = capacity}}; |
| 1966 | if (sc.Check(soa, true, "EI", args)) { |
| 1967 | JniValueType result; |
| 1968 | result.i = baseEnv(env)->EnsureLocalCapacity(env, capacity); |
| 1969 | if (sc.Check(soa, false, "i", &result)) { |
| 1970 | return result.i; |
| 1971 | } |
| 1972 | } |
| 1973 | return JNI_ERR; |
| 1974 | } |
| 1975 | |
| 1976 | static jboolean IsSameObject(JNIEnv* env, jobject ref1, jobject ref2) { |
| 1977 | ScopedObjectAccess soa(env); |
| 1978 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1979 | JniValueType args[3] = {{.E = env}, {.L = ref1}, {.L = ref2}}; |
| 1980 | if (sc.Check(soa, true, "ELL", args)) { |
| 1981 | JniValueType result; |
| 1982 | result.b = baseEnv(env)->IsSameObject(env, ref1, ref2); |
| 1983 | if (sc.Check(soa, false, "b", &result)) { |
| 1984 | return result.b; |
| 1985 | } |
| 1986 | } |
| 1987 | return JNI_FALSE; |
| 1988 | } |
| 1989 | |
| 1990 | static jobject AllocObject(JNIEnv* env, jclass c) { |
| 1991 | ScopedObjectAccess soa(env); |
| 1992 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 1993 | JniValueType args[2] = {{.E = env}, {.c = c}}; |
| 1994 | if (sc.Check(soa, true, "Ec", args) && sc.CheckInstantiableNonArray(soa, c)) { |
| 1995 | JniValueType result; |
| 1996 | result.L = baseEnv(env)->AllocObject(env, c); |
| 1997 | if (sc.Check(soa, false, "L", &result)) { |
| 1998 | return result.L; |
| 1999 | } |
| 2000 | } |
| 2001 | return nullptr; |
| 2002 | } |
| 2003 | |
| 2004 | static jobject NewObjectV(JNIEnv* env, jclass c, jmethodID mid, va_list vargs) { |
| 2005 | ScopedObjectAccess soa(env); |
| 2006 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 2007 | VarArgs rest(mid, vargs); |
| 2008 | JniValueType args[4] = {{.E = env}, {.c = c}, {.m = mid}, {.va = &rest}}; |
| 2009 | if (sc.Check(soa, true, "Ecm.", args) && sc.CheckInstantiableNonArray(soa, c) && |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 2010 | sc.CheckConstructor(mid)) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2011 | JniValueType result; |
| 2012 | result.L = baseEnv(env)->NewObjectV(env, c, mid, vargs); |
| 2013 | if (sc.Check(soa, false, "L", &result)) { |
| 2014 | return result.L; |
| 2015 | } |
| 2016 | } |
| 2017 | return nullptr; |
| 2018 | } |
| 2019 | |
| 2020 | static jobject NewObject(JNIEnv* env, jclass c, jmethodID mid, ...) { |
| 2021 | va_list args; |
| 2022 | va_start(args, mid); |
| 2023 | jobject result = NewObjectV(env, c, mid, args); |
| 2024 | va_end(args); |
| 2025 | return result; |
| 2026 | } |
| 2027 | |
| 2028 | static jobject NewObjectA(JNIEnv* env, jclass c, jmethodID mid, jvalue* vargs) { |
| 2029 | ScopedObjectAccess soa(env); |
| 2030 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 2031 | VarArgs rest(mid, vargs); |
| 2032 | JniValueType args[4] = {{.E = env}, {.c = c}, {.m = mid}, {.va = &rest}}; |
| 2033 | if (sc.Check(soa, true, "Ecm.", args) && sc.CheckInstantiableNonArray(soa, c) && |
Andreas Gampe | 13b2784 | 2016-11-07 16:48:23 -0800 | [diff] [blame] | 2034 | sc.CheckConstructor(mid)) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2035 | JniValueType result; |
| 2036 | result.L = baseEnv(env)->NewObjectA(env, c, mid, vargs); |
| 2037 | if (sc.Check(soa, false, "L", &result)) { |
| 2038 | return result.L; |
| 2039 | } |
| 2040 | } |
| 2041 | return nullptr; |
| 2042 | } |
| 2043 | |
| 2044 | static jclass GetObjectClass(JNIEnv* env, jobject obj) { |
| 2045 | ScopedObjectAccess soa(env); |
| 2046 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 2047 | JniValueType args[2] = {{.E = env}, {.L = obj}}; |
| 2048 | if (sc.Check(soa, true, "EL", args)) { |
| 2049 | JniValueType result; |
| 2050 | result.c = baseEnv(env)->GetObjectClass(env, obj); |
| 2051 | if (sc.Check(soa, false, "c", &result)) { |
| 2052 | return result.c; |
| 2053 | } |
| 2054 | } |
| 2055 | return nullptr; |
| 2056 | } |
| 2057 | |
| 2058 | static jboolean IsInstanceOf(JNIEnv* env, jobject obj, jclass c) { |
| 2059 | ScopedObjectAccess soa(env); |
| 2060 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 2061 | JniValueType args[3] = {{.E = env}, {.L = obj}, {.c = c}}; |
| 2062 | if (sc.Check(soa, true, "ELc", args)) { |
| 2063 | JniValueType result; |
| 2064 | result.b = baseEnv(env)->IsInstanceOf(env, obj, c); |
| 2065 | if (sc.Check(soa, false, "b", &result)) { |
| 2066 | return result.b; |
| 2067 | } |
| 2068 | } |
| 2069 | return JNI_FALSE; |
| 2070 | } |
| 2071 | |
| 2072 | static jmethodID GetMethodID(JNIEnv* env, jclass c, const char* name, const char* sig) { |
| 2073 | return GetMethodIDInternal(__FUNCTION__, env, c, name, sig, false); |
| 2074 | } |
| 2075 | |
| 2076 | static jmethodID GetStaticMethodID(JNIEnv* env, jclass c, const char* name, const char* sig) { |
| 2077 | return GetMethodIDInternal(__FUNCTION__, env, c, name, sig, true); |
| 2078 | } |
| 2079 | |
| 2080 | static jfieldID GetFieldID(JNIEnv* env, jclass c, const char* name, const char* sig) { |
| 2081 | return GetFieldIDInternal(__FUNCTION__, env, c, name, sig, false); |
| 2082 | } |
| 2083 | |
| 2084 | static jfieldID GetStaticFieldID(JNIEnv* env, jclass c, const char* name, const char* sig) { |
| 2085 | return GetFieldIDInternal(__FUNCTION__, env, c, name, sig, true); |
| 2086 | } |
| 2087 | |
| 2088 | #define FIELD_ACCESSORS(jtype, name, ptype, shorty) \ |
| 2089 | static jtype GetStatic##name##Field(JNIEnv* env, jclass c, jfieldID fid) { \ |
| 2090 | return GetField(__FUNCTION__, env, c, fid, true, ptype).shorty; \ |
| 2091 | } \ |
| 2092 | \ |
| 2093 | static jtype Get##name##Field(JNIEnv* env, jobject obj, jfieldID fid) { \ |
| 2094 | return GetField(__FUNCTION__, env, obj, fid, false, ptype).shorty; \ |
| 2095 | } \ |
| 2096 | \ |
| 2097 | static void SetStatic##name##Field(JNIEnv* env, jclass c, jfieldID fid, jtype v) { \ |
| 2098 | JniValueType value; \ |
| 2099 | value.shorty = v; \ |
| 2100 | SetField(__FUNCTION__, env, c, fid, true, ptype, value); \ |
| 2101 | } \ |
| 2102 | \ |
| 2103 | static void Set##name##Field(JNIEnv* env, jobject obj, jfieldID fid, jtype v) { \ |
| 2104 | JniValueType value; \ |
| 2105 | value.shorty = v; \ |
| 2106 | SetField(__FUNCTION__, env, obj, fid, false, ptype, value); \ |
| 2107 | } |
| 2108 | |
| 2109 | FIELD_ACCESSORS(jobject, Object, Primitive::kPrimNot, L) |
| 2110 | FIELD_ACCESSORS(jboolean, Boolean, Primitive::kPrimBoolean, Z) |
| 2111 | FIELD_ACCESSORS(jbyte, Byte, Primitive::kPrimByte, B) |
| 2112 | FIELD_ACCESSORS(jchar, Char, Primitive::kPrimChar, C) |
| 2113 | FIELD_ACCESSORS(jshort, Short, Primitive::kPrimShort, S) |
| 2114 | FIELD_ACCESSORS(jint, Int, Primitive::kPrimInt, I) |
| 2115 | FIELD_ACCESSORS(jlong, Long, Primitive::kPrimLong, J) |
| 2116 | FIELD_ACCESSORS(jfloat, Float, Primitive::kPrimFloat, F) |
| 2117 | FIELD_ACCESSORS(jdouble, Double, Primitive::kPrimDouble, D) |
| 2118 | #undef FIELD_ACCESSORS |
| 2119 | |
| 2120 | static void CallVoidMethodA(JNIEnv* env, jobject obj, jmethodID mid, jvalue* vargs) { |
| 2121 | CallMethodA(__FUNCTION__, env, obj, nullptr, mid, vargs, Primitive::kPrimVoid, kVirtual); |
| 2122 | } |
| 2123 | |
| 2124 | static void CallNonvirtualVoidMethodA(JNIEnv* env, jobject obj, jclass c, jmethodID mid, |
| 2125 | jvalue* vargs) { |
| 2126 | CallMethodA(__FUNCTION__, env, obj, c, mid, vargs, Primitive::kPrimVoid, kDirect); |
| 2127 | } |
| 2128 | |
| 2129 | static void CallStaticVoidMethodA(JNIEnv* env, jclass c, jmethodID mid, jvalue* vargs) { |
Marcus Oakland | 51be0a7 | 2014-09-24 15:23:06 +0100 | [diff] [blame] | 2130 | CallMethodA(__FUNCTION__, env, nullptr, c, mid, vargs, Primitive::kPrimVoid, kStatic); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2131 | } |
| 2132 | |
| 2133 | static void CallVoidMethodV(JNIEnv* env, jobject obj, jmethodID mid, va_list vargs) { |
| 2134 | CallMethodV(__FUNCTION__, env, obj, nullptr, mid, vargs, Primitive::kPrimVoid, kVirtual); |
| 2135 | } |
| 2136 | |
| 2137 | static void CallNonvirtualVoidMethodV(JNIEnv* env, jobject obj, jclass c, jmethodID mid, |
| 2138 | va_list vargs) { |
| 2139 | CallMethodV(__FUNCTION__, env, obj, c, mid, vargs, Primitive::kPrimVoid, kDirect); |
| 2140 | } |
| 2141 | |
| 2142 | static void CallStaticVoidMethodV(JNIEnv* env, jclass c, jmethodID mid, va_list vargs) { |
| 2143 | CallMethodV(__FUNCTION__, env, nullptr, c, mid, vargs, Primitive::kPrimVoid, kStatic); |
| 2144 | } |
| 2145 | |
| 2146 | static void CallVoidMethod(JNIEnv* env, jobject obj, jmethodID mid, ...) { |
| 2147 | va_list vargs; |
| 2148 | va_start(vargs, mid); |
| 2149 | CallMethodV(__FUNCTION__, env, obj, nullptr, mid, vargs, Primitive::kPrimVoid, kVirtual); |
| 2150 | va_end(vargs); |
| 2151 | } |
| 2152 | |
| 2153 | static void CallNonvirtualVoidMethod(JNIEnv* env, jobject obj, jclass c, jmethodID mid, ...) { |
| 2154 | va_list vargs; |
| 2155 | va_start(vargs, mid); |
| 2156 | CallMethodV(__FUNCTION__, env, obj, c, mid, vargs, Primitive::kPrimVoid, kDirect); |
| 2157 | va_end(vargs); |
| 2158 | } |
| 2159 | |
| 2160 | static void CallStaticVoidMethod(JNIEnv* env, jclass c, jmethodID mid, ...) { |
| 2161 | va_list vargs; |
| 2162 | va_start(vargs, mid); |
| 2163 | CallMethodV(__FUNCTION__, env, nullptr, c, mid, vargs, Primitive::kPrimVoid, kStatic); |
| 2164 | va_end(vargs); |
| 2165 | } |
| 2166 | |
| 2167 | #define CALL(rtype, name, ptype, shorty) \ |
| 2168 | static rtype Call##name##MethodA(JNIEnv* env, jobject obj, jmethodID mid, jvalue* vargs) { \ |
| 2169 | return CallMethodA(__FUNCTION__, env, obj, nullptr, mid, vargs, ptype, kVirtual).shorty; \ |
| 2170 | } \ |
| 2171 | \ |
| 2172 | static rtype CallNonvirtual##name##MethodA(JNIEnv* env, jobject obj, jclass c, jmethodID mid, \ |
| 2173 | jvalue* vargs) { \ |
| 2174 | return CallMethodA(__FUNCTION__, env, obj, c, mid, vargs, ptype, kDirect).shorty; \ |
| 2175 | } \ |
| 2176 | \ |
| 2177 | static rtype CallStatic##name##MethodA(JNIEnv* env, jclass c, jmethodID mid, jvalue* vargs) { \ |
| 2178 | return CallMethodA(__FUNCTION__, env, nullptr, c, mid, vargs, ptype, kStatic).shorty; \ |
| 2179 | } \ |
| 2180 | \ |
| 2181 | static rtype Call##name##MethodV(JNIEnv* env, jobject obj, jmethodID mid, va_list vargs) { \ |
| 2182 | return CallMethodV(__FUNCTION__, env, obj, nullptr, mid, vargs, ptype, kVirtual).shorty; \ |
| 2183 | } \ |
| 2184 | \ |
| 2185 | static rtype CallNonvirtual##name##MethodV(JNIEnv* env, jobject obj, jclass c, jmethodID mid, \ |
| 2186 | va_list vargs) { \ |
| 2187 | return CallMethodV(__FUNCTION__, env, obj, c, mid, vargs, ptype, kDirect).shorty; \ |
| 2188 | } \ |
| 2189 | \ |
| 2190 | static rtype CallStatic##name##MethodV(JNIEnv* env, jclass c, jmethodID mid, va_list vargs) { \ |
| 2191 | return CallMethodV(__FUNCTION__, env, nullptr, c, mid, vargs, ptype, kStatic).shorty; \ |
| 2192 | } \ |
| 2193 | \ |
| 2194 | static rtype Call##name##Method(JNIEnv* env, jobject obj, jmethodID mid, ...) { \ |
| 2195 | va_list vargs; \ |
| 2196 | va_start(vargs, mid); \ |
| 2197 | rtype result = \ |
| 2198 | CallMethodV(__FUNCTION__, env, obj, nullptr, mid, vargs, ptype, kVirtual).shorty; \ |
| 2199 | va_end(vargs); \ |
| 2200 | return result; \ |
| 2201 | } \ |
| 2202 | \ |
| 2203 | static rtype CallNonvirtual##name##Method(JNIEnv* env, jobject obj, jclass c, jmethodID mid, \ |
| 2204 | ...) { \ |
| 2205 | va_list vargs; \ |
| 2206 | va_start(vargs, mid); \ |
| 2207 | rtype result = \ |
| 2208 | CallMethodV(__FUNCTION__, env, obj, c, mid, vargs, ptype, kDirect).shorty; \ |
| 2209 | va_end(vargs); \ |
| 2210 | return result; \ |
| 2211 | } \ |
| 2212 | \ |
| 2213 | static rtype CallStatic##name##Method(JNIEnv* env, jclass c, jmethodID mid, ...) { \ |
| 2214 | va_list vargs; \ |
| 2215 | va_start(vargs, mid); \ |
| 2216 | rtype result = \ |
| 2217 | CallMethodV(__FUNCTION__, env, nullptr, c, mid, vargs, ptype, kStatic).shorty; \ |
| 2218 | va_end(vargs); \ |
| 2219 | return result; \ |
| 2220 | } |
| 2221 | |
| 2222 | CALL(jobject, Object, Primitive::kPrimNot, L) |
| 2223 | CALL(jboolean, Boolean, Primitive::kPrimBoolean, Z) |
| 2224 | CALL(jbyte, Byte, Primitive::kPrimByte, B) |
| 2225 | CALL(jchar, Char, Primitive::kPrimChar, C) |
| 2226 | CALL(jshort, Short, Primitive::kPrimShort, S) |
| 2227 | CALL(jint, Int, Primitive::kPrimInt, I) |
| 2228 | CALL(jlong, Long, Primitive::kPrimLong, J) |
| 2229 | CALL(jfloat, Float, Primitive::kPrimFloat, F) |
| 2230 | CALL(jdouble, Double, Primitive::kPrimDouble, D) |
| 2231 | #undef CALL |
| 2232 | |
| 2233 | static jstring NewString(JNIEnv* env, const jchar* unicode_chars, jsize len) { |
| 2234 | ScopedObjectAccess soa(env); |
| 2235 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 2236 | JniValueType args[3] = {{.E = env}, {.p = unicode_chars}, {.z = len}}; |
| 2237 | if (sc.Check(soa, true, "Epz", args)) { |
| 2238 | JniValueType result; |
| 2239 | result.s = baseEnv(env)->NewString(env, unicode_chars, len); |
| 2240 | if (sc.Check(soa, false, "s", &result)) { |
| 2241 | return result.s; |
| 2242 | } |
| 2243 | } |
| 2244 | return nullptr; |
| 2245 | } |
| 2246 | |
| 2247 | static jstring NewStringUTF(JNIEnv* env, const char* chars) { |
| 2248 | ScopedObjectAccess soa(env); |
| 2249 | ScopedCheck sc(kFlag_NullableUtf, __FUNCTION__); |
| 2250 | JniValueType args[2] = {{.E = env}, {.u = chars}}; |
| 2251 | if (sc.Check(soa, true, "Eu", args)) { |
| 2252 | JniValueType result; |
| 2253 | // TODO: stale? show pointer and truncate string. |
| 2254 | result.s = baseEnv(env)->NewStringUTF(env, chars); |
| 2255 | if (sc.Check(soa, false, "s", &result)) { |
| 2256 | return result.s; |
| 2257 | } |
| 2258 | } |
| 2259 | return nullptr; |
| 2260 | } |
| 2261 | |
| 2262 | static jsize GetStringLength(JNIEnv* env, jstring string) { |
| 2263 | ScopedObjectAccess soa(env); |
| 2264 | ScopedCheck sc(kFlag_CritOkay, __FUNCTION__); |
| 2265 | JniValueType args[2] = {{.E = env}, {.s = string}}; |
| 2266 | if (sc.Check(soa, true, "Es", args)) { |
| 2267 | JniValueType result; |
| 2268 | result.z = baseEnv(env)->GetStringLength(env, string); |
| 2269 | if (sc.Check(soa, false, "z", &result)) { |
| 2270 | return result.z; |
| 2271 | } |
| 2272 | } |
| 2273 | return JNI_ERR; |
| 2274 | } |
| 2275 | |
| 2276 | static jsize GetStringUTFLength(JNIEnv* env, jstring string) { |
| 2277 | ScopedObjectAccess soa(env); |
| 2278 | ScopedCheck sc(kFlag_CritOkay, __FUNCTION__); |
| 2279 | JniValueType args[2] = {{.E = env}, {.s = string}}; |
| 2280 | if (sc.Check(soa, true, "Es", args)) { |
| 2281 | JniValueType result; |
| 2282 | result.z = baseEnv(env)->GetStringUTFLength(env, string); |
| 2283 | if (sc.Check(soa, false, "z", &result)) { |
| 2284 | return result.z; |
| 2285 | } |
| 2286 | } |
| 2287 | return JNI_ERR; |
| 2288 | } |
| 2289 | |
| 2290 | static const jchar* GetStringChars(JNIEnv* env, jstring string, jboolean* is_copy) { |
| 2291 | return reinterpret_cast<const jchar*>(GetStringCharsInternal(__FUNCTION__, env, string, |
| 2292 | is_copy, false, false)); |
| 2293 | } |
| 2294 | |
| 2295 | static const char* GetStringUTFChars(JNIEnv* env, jstring string, jboolean* is_copy) { |
| 2296 | return reinterpret_cast<const char*>(GetStringCharsInternal(__FUNCTION__, env, string, |
| 2297 | is_copy, true, false)); |
| 2298 | } |
| 2299 | |
| 2300 | static const jchar* GetStringCritical(JNIEnv* env, jstring string, jboolean* is_copy) { |
| 2301 | return reinterpret_cast<const jchar*>(GetStringCharsInternal(__FUNCTION__, env, string, |
| 2302 | is_copy, false, true)); |
| 2303 | } |
| 2304 | |
| 2305 | static void ReleaseStringChars(JNIEnv* env, jstring string, const jchar* chars) { |
| 2306 | ReleaseStringCharsInternal(__FUNCTION__, env, string, chars, false, false); |
| 2307 | } |
| 2308 | |
| 2309 | static void ReleaseStringUTFChars(JNIEnv* env, jstring string, const char* utf) { |
| 2310 | ReleaseStringCharsInternal(__FUNCTION__, env, string, utf, true, false); |
| 2311 | } |
| 2312 | |
| 2313 | static void ReleaseStringCritical(JNIEnv* env, jstring string, const jchar* chars) { |
| 2314 | ReleaseStringCharsInternal(__FUNCTION__, env, string, chars, false, true); |
| 2315 | } |
| 2316 | |
| 2317 | static void GetStringRegion(JNIEnv* env, jstring string, jsize start, jsize len, jchar* buf) { |
| 2318 | ScopedObjectAccess soa(env); |
| 2319 | ScopedCheck sc(kFlag_CritOkay, __FUNCTION__); |
| 2320 | JniValueType args[5] = {{.E = env}, {.s = string}, {.z = start}, {.z = len}, {.p = buf}}; |
| 2321 | // Note: the start and len arguments are checked as 'I' rather than 'z' as invalid indices |
| 2322 | // result in ArrayIndexOutOfBoundsExceptions in the base implementation. |
| 2323 | if (sc.Check(soa, true, "EsIIp", args)) { |
| 2324 | baseEnv(env)->GetStringRegion(env, string, start, len, buf); |
| 2325 | JniValueType result; |
| 2326 | result.V = nullptr; |
| 2327 | sc.Check(soa, false, "V", &result); |
| 2328 | } |
| 2329 | } |
| 2330 | |
| 2331 | static void GetStringUTFRegion(JNIEnv* env, jstring string, jsize start, jsize len, char* buf) { |
| 2332 | ScopedObjectAccess soa(env); |
| 2333 | ScopedCheck sc(kFlag_CritOkay, __FUNCTION__); |
| 2334 | JniValueType args[5] = {{.E = env}, {.s = string}, {.z = start}, {.z = len}, {.p = buf}}; |
| 2335 | // Note: the start and len arguments are checked as 'I' rather than 'z' as invalid indices |
| 2336 | // result in ArrayIndexOutOfBoundsExceptions in the base implementation. |
| 2337 | if (sc.Check(soa, true, "EsIIp", args)) { |
| 2338 | baseEnv(env)->GetStringUTFRegion(env, string, start, len, buf); |
| 2339 | JniValueType result; |
| 2340 | result.V = nullptr; |
| 2341 | sc.Check(soa, false, "V", &result); |
| 2342 | } |
| 2343 | } |
| 2344 | |
| 2345 | static jsize GetArrayLength(JNIEnv* env, jarray array) { |
| 2346 | ScopedObjectAccess soa(env); |
| 2347 | ScopedCheck sc(kFlag_CritOkay, __FUNCTION__); |
| 2348 | JniValueType args[2] = {{.E = env}, {.a = array}}; |
| 2349 | if (sc.Check(soa, true, "Ea", args)) { |
| 2350 | JniValueType result; |
| 2351 | result.z = baseEnv(env)->GetArrayLength(env, array); |
| 2352 | if (sc.Check(soa, false, "z", &result)) { |
| 2353 | return result.z; |
| 2354 | } |
| 2355 | } |
| 2356 | return JNI_ERR; |
| 2357 | } |
| 2358 | |
| 2359 | static jobjectArray NewObjectArray(JNIEnv* env, jsize length, jclass element_class, |
| 2360 | jobject initial_element) { |
| 2361 | ScopedObjectAccess soa(env); |
| 2362 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 2363 | JniValueType args[4] = |
| 2364 | {{.E = env}, {.z = length}, {.c = element_class}, {.L = initial_element}}; |
| 2365 | if (sc.Check(soa, true, "EzcL", args)) { |
| 2366 | JniValueType result; |
| 2367 | // Note: assignability tests of initial_element are done in the base implementation. |
| 2368 | result.a = baseEnv(env)->NewObjectArray(env, length, element_class, initial_element); |
| 2369 | if (sc.Check(soa, false, "a", &result)) { |
| 2370 | return down_cast<jobjectArray>(result.a); |
| 2371 | } |
| 2372 | } |
| 2373 | return nullptr; |
| 2374 | } |
| 2375 | |
| 2376 | static jobject GetObjectArrayElement(JNIEnv* env, jobjectArray array, jsize index) { |
| 2377 | ScopedObjectAccess soa(env); |
| 2378 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 2379 | JniValueType args[3] = {{.E = env}, {.a = array}, {.z = index}}; |
| 2380 | if (sc.Check(soa, true, "Eaz", args)) { |
| 2381 | JniValueType result; |
| 2382 | result.L = baseEnv(env)->GetObjectArrayElement(env, array, index); |
| 2383 | if (sc.Check(soa, false, "L", &result)) { |
| 2384 | return result.L; |
| 2385 | } |
| 2386 | } |
| 2387 | return nullptr; |
| 2388 | } |
| 2389 | |
| 2390 | static void SetObjectArrayElement(JNIEnv* env, jobjectArray array, jsize index, jobject value) { |
| 2391 | ScopedObjectAccess soa(env); |
| 2392 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 2393 | JniValueType args[4] = {{.E = env}, {.a = array}, {.z = index}, {.L = value}}; |
| 2394 | // Note: the index arguments is checked as 'I' rather than 'z' as invalid indices result in |
| 2395 | // ArrayIndexOutOfBoundsExceptions in the base implementation. Similarly invalid stores result |
| 2396 | // in ArrayStoreExceptions. |
| 2397 | if (sc.Check(soa, true, "EaIL", args)) { |
| 2398 | baseEnv(env)->SetObjectArrayElement(env, array, index, value); |
| 2399 | JniValueType result; |
| 2400 | result.V = nullptr; |
| 2401 | sc.Check(soa, false, "V", &result); |
| 2402 | } |
| 2403 | } |
| 2404 | |
| 2405 | static jbooleanArray NewBooleanArray(JNIEnv* env, jsize length) { |
| 2406 | return down_cast<jbooleanArray>(NewPrimitiveArray(__FUNCTION__, env, length, |
| 2407 | Primitive::kPrimBoolean)); |
| 2408 | } |
| 2409 | |
| 2410 | static jbyteArray NewByteArray(JNIEnv* env, jsize length) { |
| 2411 | return down_cast<jbyteArray>(NewPrimitiveArray(__FUNCTION__, env, length, |
| 2412 | Primitive::kPrimByte)); |
| 2413 | } |
| 2414 | |
| 2415 | static jcharArray NewCharArray(JNIEnv* env, jsize length) { |
| 2416 | return down_cast<jcharArray>(NewPrimitiveArray(__FUNCTION__, env, length, |
| 2417 | Primitive::kPrimChar)); |
| 2418 | } |
| 2419 | |
| 2420 | static jshortArray NewShortArray(JNIEnv* env, jsize length) { |
| 2421 | return down_cast<jshortArray>(NewPrimitiveArray(__FUNCTION__, env, length, |
| 2422 | Primitive::kPrimShort)); |
| 2423 | } |
| 2424 | |
| 2425 | static jintArray NewIntArray(JNIEnv* env, jsize length) { |
| 2426 | return down_cast<jintArray>(NewPrimitiveArray(__FUNCTION__, env, length, Primitive::kPrimInt)); |
| 2427 | } |
| 2428 | |
| 2429 | static jlongArray NewLongArray(JNIEnv* env, jsize length) { |
| 2430 | return down_cast<jlongArray>(NewPrimitiveArray(__FUNCTION__, env, length, |
| 2431 | Primitive::kPrimLong)); |
| 2432 | } |
| 2433 | |
| 2434 | static jfloatArray NewFloatArray(JNIEnv* env, jsize length) { |
| 2435 | return down_cast<jfloatArray>(NewPrimitiveArray(__FUNCTION__, env, length, |
| 2436 | Primitive::kPrimFloat)); |
| 2437 | } |
| 2438 | |
| 2439 | static jdoubleArray NewDoubleArray(JNIEnv* env, jsize length) { |
| 2440 | return down_cast<jdoubleArray>(NewPrimitiveArray(__FUNCTION__, env, length, |
| 2441 | Primitive::kPrimDouble)); |
| 2442 | } |
| 2443 | |
Chih-Hung Hsieh | fba3997 | 2016-05-11 11:26:48 -0700 | [diff] [blame] | 2444 | // NOLINT added to avoid wrong warning/fix from clang-tidy. |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2445 | #define PRIMITIVE_ARRAY_FUNCTIONS(ctype, name, ptype) \ |
Chih-Hung Hsieh | fba3997 | 2016-05-11 11:26:48 -0700 | [diff] [blame] | 2446 | static ctype* Get##name##ArrayElements(JNIEnv* env, ctype##Array array, jboolean* is_copy) { /* NOLINT */ \ |
| 2447 | return reinterpret_cast<ctype*>( /* NOLINT */ \ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2448 | GetPrimitiveArrayElements(__FUNCTION__, ptype, env, array, is_copy)); \ |
| 2449 | } \ |
| 2450 | \ |
Chih-Hung Hsieh | fba3997 | 2016-05-11 11:26:48 -0700 | [diff] [blame] | 2451 | static void Release##name##ArrayElements(JNIEnv* env, ctype##Array array, ctype* elems, /* NOLINT */ \ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2452 | jint mode) { \ |
| 2453 | ReleasePrimitiveArrayElements(__FUNCTION__, ptype, env, array, elems, mode); \ |
| 2454 | } \ |
| 2455 | \ |
| 2456 | static void Get##name##ArrayRegion(JNIEnv* env, ctype##Array array, jsize start, jsize len, \ |
Chih-Hung Hsieh | fba3997 | 2016-05-11 11:26:48 -0700 | [diff] [blame] | 2457 | ctype* buf) { /* NOLINT */ \ |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2458 | GetPrimitiveArrayRegion(__FUNCTION__, ptype, env, array, start, len, buf); \ |
| 2459 | } \ |
| 2460 | \ |
| 2461 | static void Set##name##ArrayRegion(JNIEnv* env, ctype##Array array, jsize start, jsize len, \ |
| 2462 | const ctype* buf) { \ |
| 2463 | SetPrimitiveArrayRegion(__FUNCTION__, ptype, env, array, start, len, buf); \ |
| 2464 | } |
| 2465 | |
| 2466 | PRIMITIVE_ARRAY_FUNCTIONS(jboolean, Boolean, Primitive::kPrimBoolean) |
| 2467 | PRIMITIVE_ARRAY_FUNCTIONS(jbyte, Byte, Primitive::kPrimByte) |
| 2468 | PRIMITIVE_ARRAY_FUNCTIONS(jchar, Char, Primitive::kPrimChar) |
| 2469 | PRIMITIVE_ARRAY_FUNCTIONS(jshort, Short, Primitive::kPrimShort) |
| 2470 | PRIMITIVE_ARRAY_FUNCTIONS(jint, Int, Primitive::kPrimInt) |
| 2471 | PRIMITIVE_ARRAY_FUNCTIONS(jlong, Long, Primitive::kPrimLong) |
| 2472 | PRIMITIVE_ARRAY_FUNCTIONS(jfloat, Float, Primitive::kPrimFloat) |
| 2473 | PRIMITIVE_ARRAY_FUNCTIONS(jdouble, Double, Primitive::kPrimDouble) |
| 2474 | #undef PRIMITIVE_ARRAY_FUNCTIONS |
| 2475 | |
| 2476 | static jint MonitorEnter(JNIEnv* env, jobject obj) { |
| 2477 | ScopedObjectAccess soa(env); |
| 2478 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 2479 | JniValueType args[2] = {{.E = env}, {.L = obj}}; |
| 2480 | if (sc.Check(soa, true, "EL", args)) { |
Andreas Gampe | 5f4a09a | 2015-09-28 13:16:33 -0700 | [diff] [blame] | 2481 | if (obj != nullptr) { |
| 2482 | down_cast<JNIEnvExt*>(env)->RecordMonitorEnter(obj); |
| 2483 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2484 | JniValueType result; |
| 2485 | result.i = baseEnv(env)->MonitorEnter(env, obj); |
| 2486 | if (sc.Check(soa, false, "i", &result)) { |
| 2487 | return result.i; |
| 2488 | } |
| 2489 | } |
| 2490 | return JNI_ERR; |
| 2491 | } |
| 2492 | |
| 2493 | static jint MonitorExit(JNIEnv* env, jobject obj) { |
| 2494 | ScopedObjectAccess soa(env); |
| 2495 | ScopedCheck sc(kFlag_ExcepOkay, __FUNCTION__); |
| 2496 | JniValueType args[2] = {{.E = env}, {.L = obj}}; |
| 2497 | if (sc.Check(soa, true, "EL", args)) { |
Andreas Gampe | 5f4a09a | 2015-09-28 13:16:33 -0700 | [diff] [blame] | 2498 | if (obj != nullptr) { |
| 2499 | down_cast<JNIEnvExt*>(env)->CheckMonitorRelease(obj); |
| 2500 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2501 | JniValueType result; |
| 2502 | result.i = baseEnv(env)->MonitorExit(env, obj); |
| 2503 | if (sc.Check(soa, false, "i", &result)) { |
| 2504 | return result.i; |
| 2505 | } |
| 2506 | } |
| 2507 | return JNI_ERR; |
| 2508 | } |
| 2509 | |
| 2510 | static void* GetPrimitiveArrayCritical(JNIEnv* env, jarray array, jboolean* is_copy) { |
| 2511 | ScopedObjectAccess soa(env); |
| 2512 | ScopedCheck sc(kFlag_CritGet, __FUNCTION__); |
| 2513 | JniValueType args[3] = {{.E = env}, {.a = array}, {.p = is_copy}}; |
| 2514 | if (sc.Check(soa, true, "Eap", args)) { |
| 2515 | JniValueType result; |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 2516 | void* ptr = baseEnv(env)->GetPrimitiveArrayCritical(env, array, is_copy); |
| 2517 | if (ptr != nullptr && soa.ForceCopy()) { |
| 2518 | ptr = GuardedCopy::CreateGuardedPACopy(env, array, is_copy, ptr); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2519 | } |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 2520 | result.p = ptr; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2521 | if (sc.Check(soa, false, "p", &result)) { |
| 2522 | return const_cast<void*>(result.p); |
| 2523 | } |
| 2524 | } |
| 2525 | return nullptr; |
| 2526 | } |
| 2527 | |
| 2528 | static void ReleasePrimitiveArrayCritical(JNIEnv* env, jarray array, void* carray, jint mode) { |
| 2529 | ScopedObjectAccess soa(env); |
| 2530 | ScopedCheck sc(kFlag_CritRelease | kFlag_ExcepOkay, __FUNCTION__); |
| 2531 | sc.CheckNonNull(carray); |
| 2532 | JniValueType args[4] = {{.E = env}, {.a = array}, {.p = carray}, {.r = mode}}; |
| 2533 | if (sc.Check(soa, true, "Eapr", args)) { |
| 2534 | if (soa.ForceCopy()) { |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 2535 | carray = GuardedCopy::ReleaseGuardedPACopy(__FUNCTION__, env, array, carray, mode); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2536 | } |
| 2537 | baseEnv(env)->ReleasePrimitiveArrayCritical(env, array, carray, mode); |
| 2538 | JniValueType result; |
| 2539 | result.V = nullptr; |
| 2540 | sc.Check(soa, false, "V", &result); |
| 2541 | } |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 2542 | } |
| 2543 | |
| 2544 | static jobject NewDirectByteBuffer(JNIEnv* env, void* address, jlong capacity) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2545 | ScopedObjectAccess soa(env); |
| 2546 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 2547 | JniValueType args[3] = {{.E = env}, {.p = address}, {.J = capacity}}; |
| 2548 | if (sc.Check(soa, true, "EpJ", args)) { |
| 2549 | JniValueType result; |
| 2550 | // Note: the validity of address and capacity are checked in the base implementation. |
| 2551 | result.L = baseEnv(env)->NewDirectByteBuffer(env, address, capacity); |
| 2552 | if (sc.Check(soa, false, "L", &result)) { |
| 2553 | return result.L; |
| 2554 | } |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 2555 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2556 | return nullptr; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 2557 | } |
| 2558 | |
| 2559 | static void* GetDirectBufferAddress(JNIEnv* env, jobject buf) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2560 | ScopedObjectAccess soa(env); |
| 2561 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 2562 | JniValueType args[2] = {{.E = env}, {.L = buf}}; |
| 2563 | if (sc.Check(soa, true, "EL", args)) { |
| 2564 | JniValueType result; |
| 2565 | // Note: this is implemented in the base environment by a GetLongField which will sanity |
| 2566 | // check the type of buf in GetLongField above. |
| 2567 | result.p = baseEnv(env)->GetDirectBufferAddress(env, buf); |
| 2568 | if (sc.Check(soa, false, "p", &result)) { |
| 2569 | return const_cast<void*>(result.p); |
| 2570 | } |
| 2571 | } |
| 2572 | return nullptr; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 2573 | } |
| 2574 | |
| 2575 | static jlong GetDirectBufferCapacity(JNIEnv* env, jobject buf) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2576 | ScopedObjectAccess soa(env); |
| 2577 | ScopedCheck sc(kFlag_Default, __FUNCTION__); |
| 2578 | JniValueType args[2] = {{.E = env}, {.L = buf}}; |
| 2579 | if (sc.Check(soa, true, "EL", args)) { |
| 2580 | JniValueType result; |
| 2581 | // Note: this is implemented in the base environment by a GetIntField which will sanity |
| 2582 | // check the type of buf in GetIntField above. |
| 2583 | result.J = baseEnv(env)->GetDirectBufferCapacity(env, buf); |
| 2584 | if (sc.Check(soa, false, "J", &result)) { |
| 2585 | return result.J; |
| 2586 | } |
| 2587 | } |
| 2588 | return JNI_ERR; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 2589 | } |
| 2590 | |
| 2591 | private: |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2592 | static JavaVMExt* GetJavaVMExt(JNIEnv* env) { |
| 2593 | return reinterpret_cast<JNIEnvExt*>(env)->vm; |
| 2594 | } |
| 2595 | |
| 2596 | static const JNINativeInterface* baseEnv(JNIEnv* env) { |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 2597 | return reinterpret_cast<JNIEnvExt*>(env)->unchecked_functions; |
| 2598 | } |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2599 | |
| 2600 | static jobject NewRef(const char* function_name, JNIEnv* env, jobject obj, IndirectRefKind kind) { |
| 2601 | ScopedObjectAccess soa(env); |
| 2602 | ScopedCheck sc(kFlag_Default, function_name); |
| 2603 | JniValueType args[2] = {{.E = env}, {.L = obj}}; |
| 2604 | if (sc.Check(soa, true, "EL", args)) { |
| 2605 | JniValueType result; |
| 2606 | switch (kind) { |
| 2607 | case kGlobal: |
| 2608 | result.L = baseEnv(env)->NewGlobalRef(env, obj); |
| 2609 | break; |
| 2610 | case kLocal: |
| 2611 | result.L = baseEnv(env)->NewLocalRef(env, obj); |
| 2612 | break; |
| 2613 | case kWeakGlobal: |
| 2614 | result.L = baseEnv(env)->NewWeakGlobalRef(env, obj); |
| 2615 | break; |
| 2616 | default: |
| 2617 | LOG(FATAL) << "Unexpected reference kind: " << kind; |
| 2618 | } |
| 2619 | if (sc.Check(soa, false, "L", &result)) { |
| 2620 | DCHECK_EQ(IsSameObject(env, obj, result.L), JNI_TRUE); |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 2621 | DCHECK(sc.CheckReferenceKind(kind, soa.Self(), result.L)); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2622 | return result.L; |
| 2623 | } |
| 2624 | } |
| 2625 | return nullptr; |
| 2626 | } |
| 2627 | |
| 2628 | static void DeleteRef(const char* function_name, JNIEnv* env, jobject obj, IndirectRefKind kind) { |
| 2629 | ScopedObjectAccess soa(env); |
| 2630 | ScopedCheck sc(kFlag_ExcepOkay, function_name); |
| 2631 | JniValueType args[2] = {{.E = env}, {.L = obj}}; |
| 2632 | sc.Check(soa, true, "EL", args); |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 2633 | if (sc.CheckReferenceKind(kind, soa.Self(), obj)) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2634 | JniValueType result; |
| 2635 | switch (kind) { |
| 2636 | case kGlobal: |
| 2637 | baseEnv(env)->DeleteGlobalRef(env, obj); |
| 2638 | break; |
| 2639 | case kLocal: |
| 2640 | baseEnv(env)->DeleteLocalRef(env, obj); |
| 2641 | break; |
| 2642 | case kWeakGlobal: |
| 2643 | baseEnv(env)->DeleteWeakGlobalRef(env, obj); |
| 2644 | break; |
| 2645 | default: |
| 2646 | LOG(FATAL) << "Unexpected reference kind: " << kind; |
| 2647 | } |
| 2648 | result.V = nullptr; |
| 2649 | sc.Check(soa, false, "V", &result); |
| 2650 | } |
| 2651 | } |
| 2652 | |
| 2653 | static jmethodID GetMethodIDInternal(const char* function_name, JNIEnv* env, jclass c, |
| 2654 | const char* name, const char* sig, bool is_static) { |
| 2655 | ScopedObjectAccess soa(env); |
| 2656 | ScopedCheck sc(kFlag_Default, function_name); |
| 2657 | JniValueType args[4] = {{.E = env}, {.c = c}, {.u = name}, {.u = sig}}; |
| 2658 | if (sc.Check(soa, true, "Ecuu", args)) { |
| 2659 | JniValueType result; |
| 2660 | if (is_static) { |
| 2661 | result.m = baseEnv(env)->GetStaticMethodID(env, c, name, sig); |
| 2662 | } else { |
| 2663 | result.m = baseEnv(env)->GetMethodID(env, c, name, sig); |
| 2664 | } |
| 2665 | if (sc.Check(soa, false, "m", &result)) { |
| 2666 | return result.m; |
| 2667 | } |
| 2668 | } |
| 2669 | return nullptr; |
| 2670 | } |
| 2671 | |
| 2672 | static jfieldID GetFieldIDInternal(const char* function_name, JNIEnv* env, jclass c, |
| 2673 | const char* name, const char* sig, bool is_static) { |
| 2674 | ScopedObjectAccess soa(env); |
| 2675 | ScopedCheck sc(kFlag_Default, function_name); |
| 2676 | JniValueType args[4] = {{.E = env}, {.c = c}, {.u = name}, {.u = sig}}; |
| 2677 | if (sc.Check(soa, true, "Ecuu", args)) { |
| 2678 | JniValueType result; |
| 2679 | if (is_static) { |
| 2680 | result.f = baseEnv(env)->GetStaticFieldID(env, c, name, sig); |
| 2681 | } else { |
| 2682 | result.f = baseEnv(env)->GetFieldID(env, c, name, sig); |
| 2683 | } |
| 2684 | if (sc.Check(soa, false, "f", &result)) { |
| 2685 | return result.f; |
| 2686 | } |
| 2687 | } |
| 2688 | return nullptr; |
| 2689 | } |
| 2690 | |
| 2691 | static JniValueType GetField(const char* function_name, JNIEnv* env, jobject obj, jfieldID fid, |
| 2692 | bool is_static, Primitive::Type type) { |
| 2693 | ScopedObjectAccess soa(env); |
| 2694 | ScopedCheck sc(kFlag_Default, function_name); |
| 2695 | JniValueType args[3] = {{.E = env}, {.L = obj}, {.f = fid}}; |
| 2696 | JniValueType result; |
| 2697 | if (sc.Check(soa, true, is_static ? "Ecf" : "ELf", args) && |
| 2698 | sc.CheckFieldAccess(soa, obj, fid, is_static, type)) { |
| 2699 | const char* result_check = nullptr; |
| 2700 | switch (type) { |
| 2701 | case Primitive::kPrimNot: |
| 2702 | if (is_static) { |
| 2703 | result.L = baseEnv(env)->GetStaticObjectField(env, down_cast<jclass>(obj), fid); |
| 2704 | } else { |
| 2705 | result.L = baseEnv(env)->GetObjectField(env, obj, fid); |
| 2706 | } |
| 2707 | result_check = "L"; |
| 2708 | break; |
| 2709 | case Primitive::kPrimBoolean: |
| 2710 | if (is_static) { |
| 2711 | result.Z = baseEnv(env)->GetStaticBooleanField(env, down_cast<jclass>(obj), fid); |
| 2712 | } else { |
| 2713 | result.Z = baseEnv(env)->GetBooleanField(env, obj, fid); |
| 2714 | } |
| 2715 | result_check = "Z"; |
| 2716 | break; |
| 2717 | case Primitive::kPrimByte: |
| 2718 | if (is_static) { |
| 2719 | result.B = baseEnv(env)->GetStaticByteField(env, down_cast<jclass>(obj), fid); |
| 2720 | } else { |
| 2721 | result.B = baseEnv(env)->GetByteField(env, obj, fid); |
| 2722 | } |
| 2723 | result_check = "B"; |
| 2724 | break; |
| 2725 | case Primitive::kPrimChar: |
| 2726 | if (is_static) { |
| 2727 | result.C = baseEnv(env)->GetStaticCharField(env, down_cast<jclass>(obj), fid); |
| 2728 | } else { |
| 2729 | result.C = baseEnv(env)->GetCharField(env, obj, fid); |
| 2730 | } |
| 2731 | result_check = "C"; |
| 2732 | break; |
| 2733 | case Primitive::kPrimShort: |
| 2734 | if (is_static) { |
| 2735 | result.S = baseEnv(env)->GetStaticShortField(env, down_cast<jclass>(obj), fid); |
| 2736 | } else { |
| 2737 | result.S = baseEnv(env)->GetShortField(env, obj, fid); |
| 2738 | } |
| 2739 | result_check = "S"; |
| 2740 | break; |
| 2741 | case Primitive::kPrimInt: |
| 2742 | if (is_static) { |
| 2743 | result.I = baseEnv(env)->GetStaticIntField(env, down_cast<jclass>(obj), fid); |
| 2744 | } else { |
| 2745 | result.I = baseEnv(env)->GetIntField(env, obj, fid); |
| 2746 | } |
| 2747 | result_check = "I"; |
| 2748 | break; |
| 2749 | case Primitive::kPrimLong: |
| 2750 | if (is_static) { |
| 2751 | result.J = baseEnv(env)->GetStaticLongField(env, down_cast<jclass>(obj), fid); |
| 2752 | } else { |
| 2753 | result.J = baseEnv(env)->GetLongField(env, obj, fid); |
| 2754 | } |
| 2755 | result_check = "J"; |
| 2756 | break; |
| 2757 | case Primitive::kPrimFloat: |
| 2758 | if (is_static) { |
| 2759 | result.F = baseEnv(env)->GetStaticFloatField(env, down_cast<jclass>(obj), fid); |
| 2760 | } else { |
| 2761 | result.F = baseEnv(env)->GetFloatField(env, obj, fid); |
| 2762 | } |
| 2763 | result_check = "F"; |
| 2764 | break; |
| 2765 | case Primitive::kPrimDouble: |
| 2766 | if (is_static) { |
| 2767 | result.D = baseEnv(env)->GetStaticDoubleField(env, down_cast<jclass>(obj), fid); |
| 2768 | } else { |
| 2769 | result.D = baseEnv(env)->GetDoubleField(env, obj, fid); |
| 2770 | } |
| 2771 | result_check = "D"; |
| 2772 | break; |
| 2773 | case Primitive::kPrimVoid: |
| 2774 | LOG(FATAL) << "Unexpected type: " << type; |
| 2775 | break; |
| 2776 | } |
| 2777 | if (sc.Check(soa, false, result_check, &result)) { |
| 2778 | return result; |
| 2779 | } |
| 2780 | } |
| 2781 | result.J = 0; |
| 2782 | return result; |
| 2783 | } |
| 2784 | |
| 2785 | static void SetField(const char* function_name, JNIEnv* env, jobject obj, jfieldID fid, |
| 2786 | bool is_static, Primitive::Type type, JniValueType value) { |
| 2787 | ScopedObjectAccess soa(env); |
| 2788 | ScopedCheck sc(kFlag_Default, function_name); |
| 2789 | JniValueType args[4] = {{.E = env}, {.L = obj}, {.f = fid}, value}; |
| 2790 | char sig[5] = { 'E', is_static ? 'c' : 'L', 'f', |
| 2791 | type == Primitive::kPrimNot ? 'L' : Primitive::Descriptor(type)[0], '\0'}; |
| 2792 | if (sc.Check(soa, true, sig, args) && |
| 2793 | sc.CheckFieldAccess(soa, obj, fid, is_static, type)) { |
| 2794 | switch (type) { |
| 2795 | case Primitive::kPrimNot: |
| 2796 | if (is_static) { |
| 2797 | baseEnv(env)->SetStaticObjectField(env, down_cast<jclass>(obj), fid, value.L); |
| 2798 | } else { |
| 2799 | baseEnv(env)->SetObjectField(env, obj, fid, value.L); |
| 2800 | } |
| 2801 | break; |
| 2802 | case Primitive::kPrimBoolean: |
| 2803 | if (is_static) { |
| 2804 | baseEnv(env)->SetStaticBooleanField(env, down_cast<jclass>(obj), fid, value.Z); |
| 2805 | } else { |
| 2806 | baseEnv(env)->SetBooleanField(env, obj, fid, value.Z); |
| 2807 | } |
| 2808 | break; |
| 2809 | case Primitive::kPrimByte: |
| 2810 | if (is_static) { |
| 2811 | baseEnv(env)->SetStaticByteField(env, down_cast<jclass>(obj), fid, value.B); |
| 2812 | } else { |
| 2813 | baseEnv(env)->SetByteField(env, obj, fid, value.B); |
| 2814 | } |
| 2815 | break; |
| 2816 | case Primitive::kPrimChar: |
| 2817 | if (is_static) { |
| 2818 | baseEnv(env)->SetStaticCharField(env, down_cast<jclass>(obj), fid, value.C); |
| 2819 | } else { |
| 2820 | baseEnv(env)->SetCharField(env, obj, fid, value.C); |
| 2821 | } |
| 2822 | break; |
| 2823 | case Primitive::kPrimShort: |
| 2824 | if (is_static) { |
| 2825 | baseEnv(env)->SetStaticShortField(env, down_cast<jclass>(obj), fid, value.S); |
| 2826 | } else { |
| 2827 | baseEnv(env)->SetShortField(env, obj, fid, value.S); |
| 2828 | } |
| 2829 | break; |
| 2830 | case Primitive::kPrimInt: |
| 2831 | if (is_static) { |
| 2832 | baseEnv(env)->SetStaticIntField(env, down_cast<jclass>(obj), fid, value.I); |
| 2833 | } else { |
| 2834 | baseEnv(env)->SetIntField(env, obj, fid, value.I); |
| 2835 | } |
| 2836 | break; |
| 2837 | case Primitive::kPrimLong: |
| 2838 | if (is_static) { |
| 2839 | baseEnv(env)->SetStaticLongField(env, down_cast<jclass>(obj), fid, value.J); |
| 2840 | } else { |
| 2841 | baseEnv(env)->SetLongField(env, obj, fid, value.J); |
| 2842 | } |
| 2843 | break; |
| 2844 | case Primitive::kPrimFloat: |
| 2845 | if (is_static) { |
| 2846 | baseEnv(env)->SetStaticFloatField(env, down_cast<jclass>(obj), fid, value.F); |
| 2847 | } else { |
| 2848 | baseEnv(env)->SetFloatField(env, obj, fid, value.F); |
| 2849 | } |
| 2850 | break; |
| 2851 | case Primitive::kPrimDouble: |
| 2852 | if (is_static) { |
| 2853 | baseEnv(env)->SetStaticDoubleField(env, down_cast<jclass>(obj), fid, value.D); |
| 2854 | } else { |
| 2855 | baseEnv(env)->SetDoubleField(env, obj, fid, value.D); |
| 2856 | } |
| 2857 | break; |
| 2858 | case Primitive::kPrimVoid: |
| 2859 | LOG(FATAL) << "Unexpected type: " << type; |
| 2860 | break; |
| 2861 | } |
| 2862 | JniValueType result; |
| 2863 | result.V = nullptr; |
| 2864 | sc.Check(soa, false, "V", &result); |
| 2865 | } |
| 2866 | } |
| 2867 | |
| 2868 | static bool CheckCallArgs(ScopedObjectAccess& soa, ScopedCheck& sc, JNIEnv* env, jobject obj, |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 2869 | jclass c, jmethodID mid, InvokeType invoke, const VarArgs* vargs) |
Andreas Gampe | bdf7f1c | 2016-08-30 16:38:47 -0700 | [diff] [blame] | 2870 | REQUIRES_SHARED(Locks::mutator_lock_) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2871 | bool checked; |
| 2872 | switch (invoke) { |
| 2873 | case kVirtual: { |
| 2874 | DCHECK(c == nullptr); |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 2875 | JniValueType args[4] = {{.E = env}, {.L = obj}, {.m = mid}, {.va = vargs}}; |
| 2876 | checked = sc.Check(soa, true, "ELm.", args); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2877 | break; |
| 2878 | } |
| 2879 | case kDirect: { |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 2880 | JniValueType args[5] = {{.E = env}, {.L = obj}, {.c = c}, {.m = mid}, {.va = vargs}}; |
| 2881 | checked = sc.Check(soa, true, "ELcm.", args); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2882 | break; |
| 2883 | } |
| 2884 | case kStatic: { |
| 2885 | DCHECK(obj == nullptr); |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 2886 | JniValueType args[4] = {{.E = env}, {.c = c}, {.m = mid}, {.va = vargs}}; |
| 2887 | checked = sc.Check(soa, true, "Ecm.", args); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2888 | break; |
| 2889 | } |
| 2890 | default: |
| 2891 | LOG(FATAL) << "Unexpected invoke: " << invoke; |
| 2892 | checked = false; |
| 2893 | break; |
| 2894 | } |
| 2895 | return checked; |
| 2896 | } |
| 2897 | |
| 2898 | static JniValueType CallMethodA(const char* function_name, JNIEnv* env, jobject obj, jclass c, |
| 2899 | jmethodID mid, jvalue* vargs, Primitive::Type type, |
| 2900 | InvokeType invoke) { |
| 2901 | ScopedObjectAccess soa(env); |
| 2902 | ScopedCheck sc(kFlag_Default, function_name); |
| 2903 | JniValueType result; |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 2904 | VarArgs rest(mid, vargs); |
| 2905 | if (CheckCallArgs(soa, sc, env, obj, c, mid, invoke, &rest) && |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 2906 | sc.CheckMethodAndSig(soa, obj, c, mid, type, invoke)) { |
| 2907 | const char* result_check; |
| 2908 | switch (type) { |
| 2909 | case Primitive::kPrimNot: |
| 2910 | result_check = "L"; |
| 2911 | switch (invoke) { |
| 2912 | case kVirtual: |
| 2913 | result.L = baseEnv(env)->CallObjectMethodA(env, obj, mid, vargs); |
| 2914 | break; |
| 2915 | case kDirect: |
| 2916 | result.L = baseEnv(env)->CallNonvirtualObjectMethodA(env, obj, c, mid, vargs); |
| 2917 | break; |
| 2918 | case kStatic: |
| 2919 | result.L = baseEnv(env)->CallStaticObjectMethodA(env, c, mid, vargs); |
| 2920 | break; |
| 2921 | default: |
| 2922 | break; |
| 2923 | } |
| 2924 | break; |
| 2925 | case Primitive::kPrimBoolean: |
| 2926 | result_check = "Z"; |
| 2927 | switch (invoke) { |
| 2928 | case kVirtual: |
| 2929 | result.Z = baseEnv(env)->CallBooleanMethodA(env, obj, mid, vargs); |
| 2930 | break; |
| 2931 | case kDirect: |
| 2932 | result.Z = baseEnv(env)->CallNonvirtualBooleanMethodA(env, obj, c, mid, vargs); |
| 2933 | break; |
| 2934 | case kStatic: |
| 2935 | result.Z = baseEnv(env)->CallStaticBooleanMethodA(env, c, mid, vargs); |
| 2936 | break; |
| 2937 | default: |
| 2938 | break; |
| 2939 | } |
| 2940 | break; |
| 2941 | case Primitive::kPrimByte: |
| 2942 | result_check = "B"; |
| 2943 | switch (invoke) { |
| 2944 | case kVirtual: |
| 2945 | result.B = baseEnv(env)->CallByteMethodA(env, obj, mid, vargs); |
| 2946 | break; |
| 2947 | case kDirect: |
| 2948 | result.B = baseEnv(env)->CallNonvirtualByteMethodA(env, obj, c, mid, vargs); |
| 2949 | break; |
| 2950 | case kStatic: |
| 2951 | result.B = baseEnv(env)->CallStaticByteMethodA(env, c, mid, vargs); |
| 2952 | break; |
| 2953 | default: |
| 2954 | break; |
| 2955 | } |
| 2956 | break; |
| 2957 | case Primitive::kPrimChar: |
| 2958 | result_check = "C"; |
| 2959 | switch (invoke) { |
| 2960 | case kVirtual: |
| 2961 | result.C = baseEnv(env)->CallCharMethodA(env, obj, mid, vargs); |
| 2962 | break; |
| 2963 | case kDirect: |
| 2964 | result.C = baseEnv(env)->CallNonvirtualCharMethodA(env, obj, c, mid, vargs); |
| 2965 | break; |
| 2966 | case kStatic: |
| 2967 | result.C = baseEnv(env)->CallStaticCharMethodA(env, c, mid, vargs); |
| 2968 | break; |
| 2969 | default: |
| 2970 | break; |
| 2971 | } |
| 2972 | break; |
| 2973 | case Primitive::kPrimShort: |
| 2974 | result_check = "S"; |
| 2975 | switch (invoke) { |
| 2976 | case kVirtual: |
| 2977 | result.S = baseEnv(env)->CallShortMethodA(env, obj, mid, vargs); |
| 2978 | break; |
| 2979 | case kDirect: |
| 2980 | result.S = baseEnv(env)->CallNonvirtualShortMethodA(env, obj, c, mid, vargs); |
| 2981 | break; |
| 2982 | case kStatic: |
| 2983 | result.S = baseEnv(env)->CallStaticShortMethodA(env, c, mid, vargs); |
| 2984 | break; |
| 2985 | default: |
| 2986 | break; |
| 2987 | } |
| 2988 | break; |
| 2989 | case Primitive::kPrimInt: |
| 2990 | result_check = "I"; |
| 2991 | switch (invoke) { |
| 2992 | case kVirtual: |
| 2993 | result.I = baseEnv(env)->CallIntMethodA(env, obj, mid, vargs); |
| 2994 | break; |
| 2995 | case kDirect: |
| 2996 | result.I = baseEnv(env)->CallNonvirtualIntMethodA(env, obj, c, mid, vargs); |
| 2997 | break; |
| 2998 | case kStatic: |
| 2999 | result.I = baseEnv(env)->CallStaticIntMethodA(env, c, mid, vargs); |
| 3000 | break; |
| 3001 | default: |
| 3002 | break; |
| 3003 | } |
| 3004 | break; |
| 3005 | case Primitive::kPrimLong: |
| 3006 | result_check = "J"; |
| 3007 | switch (invoke) { |
| 3008 | case kVirtual: |
| 3009 | result.J = baseEnv(env)->CallLongMethodA(env, obj, mid, vargs); |
| 3010 | break; |
| 3011 | case kDirect: |
| 3012 | result.J = baseEnv(env)->CallNonvirtualLongMethodA(env, obj, c, mid, vargs); |
| 3013 | break; |
| 3014 | case kStatic: |
| 3015 | result.J = baseEnv(env)->CallStaticLongMethodA(env, c, mid, vargs); |
| 3016 | break; |
| 3017 | default: |
| 3018 | break; |
| 3019 | } |
| 3020 | break; |
| 3021 | case Primitive::kPrimFloat: |
| 3022 | result_check = "F"; |
| 3023 | switch (invoke) { |
| 3024 | case kVirtual: |
| 3025 | result.F = baseEnv(env)->CallFloatMethodA(env, obj, mid, vargs); |
| 3026 | break; |
| 3027 | case kDirect: |
| 3028 | result.F = baseEnv(env)->CallNonvirtualFloatMethodA(env, obj, c, mid, vargs); |
| 3029 | break; |
| 3030 | case kStatic: |
| 3031 | result.F = baseEnv(env)->CallStaticFloatMethodA(env, c, mid, vargs); |
| 3032 | break; |
| 3033 | default: |
| 3034 | break; |
| 3035 | } |
| 3036 | break; |
| 3037 | case Primitive::kPrimDouble: |
| 3038 | result_check = "D"; |
| 3039 | switch (invoke) { |
| 3040 | case kVirtual: |
| 3041 | result.D = baseEnv(env)->CallDoubleMethodA(env, obj, mid, vargs); |
| 3042 | break; |
| 3043 | case kDirect: |
| 3044 | result.D = baseEnv(env)->CallNonvirtualDoubleMethodA(env, obj, c, mid, vargs); |
| 3045 | break; |
| 3046 | case kStatic: |
| 3047 | result.D = baseEnv(env)->CallStaticDoubleMethodA(env, c, mid, vargs); |
| 3048 | break; |
| 3049 | default: |
| 3050 | break; |
| 3051 | } |
| 3052 | break; |
| 3053 | case Primitive::kPrimVoid: |
| 3054 | result_check = "V"; |
| 3055 | result.V = nullptr; |
| 3056 | switch (invoke) { |
| 3057 | case kVirtual: |
| 3058 | baseEnv(env)->CallVoidMethodA(env, obj, mid, vargs); |
| 3059 | break; |
| 3060 | case kDirect: |
| 3061 | baseEnv(env)->CallNonvirtualVoidMethodA(env, obj, c, mid, vargs); |
| 3062 | break; |
| 3063 | case kStatic: |
| 3064 | baseEnv(env)->CallStaticVoidMethodA(env, c, mid, vargs); |
| 3065 | break; |
| 3066 | default: |
| 3067 | LOG(FATAL) << "Unexpected invoke: " << invoke; |
| 3068 | } |
| 3069 | break; |
| 3070 | default: |
| 3071 | LOG(FATAL) << "Unexpected return type: " << type; |
| 3072 | result_check = nullptr; |
| 3073 | } |
| 3074 | if (sc.Check(soa, false, result_check, &result)) { |
| 3075 | return result; |
| 3076 | } |
| 3077 | } |
| 3078 | result.J = 0; |
| 3079 | return result; |
| 3080 | } |
| 3081 | |
| 3082 | static JniValueType CallMethodV(const char* function_name, JNIEnv* env, jobject obj, jclass c, |
| 3083 | jmethodID mid, va_list vargs, Primitive::Type type, |
| 3084 | InvokeType invoke) { |
| 3085 | ScopedObjectAccess soa(env); |
| 3086 | ScopedCheck sc(kFlag_Default, function_name); |
| 3087 | JniValueType result; |
Alex Light | 48ffe06 | 2015-08-19 15:23:23 -0700 | [diff] [blame] | 3088 | VarArgs rest(mid, vargs); |
| 3089 | if (CheckCallArgs(soa, sc, env, obj, c, mid, invoke, &rest) && |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3090 | sc.CheckMethodAndSig(soa, obj, c, mid, type, invoke)) { |
| 3091 | const char* result_check; |
| 3092 | switch (type) { |
| 3093 | case Primitive::kPrimNot: |
| 3094 | result_check = "L"; |
| 3095 | switch (invoke) { |
| 3096 | case kVirtual: |
| 3097 | result.L = baseEnv(env)->CallObjectMethodV(env, obj, mid, vargs); |
| 3098 | break; |
| 3099 | case kDirect: |
| 3100 | result.L = baseEnv(env)->CallNonvirtualObjectMethodV(env, obj, c, mid, vargs); |
| 3101 | break; |
| 3102 | case kStatic: |
| 3103 | result.L = baseEnv(env)->CallStaticObjectMethodV(env, c, mid, vargs); |
| 3104 | break; |
| 3105 | default: |
| 3106 | LOG(FATAL) << "Unexpected invoke: " << invoke; |
| 3107 | } |
| 3108 | break; |
| 3109 | case Primitive::kPrimBoolean: |
| 3110 | result_check = "Z"; |
| 3111 | switch (invoke) { |
| 3112 | case kVirtual: |
| 3113 | result.Z = baseEnv(env)->CallBooleanMethodV(env, obj, mid, vargs); |
| 3114 | break; |
| 3115 | case kDirect: |
| 3116 | result.Z = baseEnv(env)->CallNonvirtualBooleanMethodV(env, obj, c, mid, vargs); |
| 3117 | break; |
| 3118 | case kStatic: |
| 3119 | result.Z = baseEnv(env)->CallStaticBooleanMethodV(env, c, mid, vargs); |
| 3120 | break; |
| 3121 | default: |
| 3122 | LOG(FATAL) << "Unexpected invoke: " << invoke; |
| 3123 | } |
| 3124 | break; |
| 3125 | case Primitive::kPrimByte: |
| 3126 | result_check = "B"; |
| 3127 | switch (invoke) { |
| 3128 | case kVirtual: |
| 3129 | result.B = baseEnv(env)->CallByteMethodV(env, obj, mid, vargs); |
| 3130 | break; |
| 3131 | case kDirect: |
| 3132 | result.B = baseEnv(env)->CallNonvirtualByteMethodV(env, obj, c, mid, vargs); |
| 3133 | break; |
| 3134 | case kStatic: |
| 3135 | result.B = baseEnv(env)->CallStaticByteMethodV(env, c, mid, vargs); |
| 3136 | break; |
| 3137 | default: |
| 3138 | LOG(FATAL) << "Unexpected invoke: " << invoke; |
| 3139 | } |
| 3140 | break; |
| 3141 | case Primitive::kPrimChar: |
| 3142 | result_check = "C"; |
| 3143 | switch (invoke) { |
| 3144 | case kVirtual: |
| 3145 | result.C = baseEnv(env)->CallCharMethodV(env, obj, mid, vargs); |
| 3146 | break; |
| 3147 | case kDirect: |
| 3148 | result.C = baseEnv(env)->CallNonvirtualCharMethodV(env, obj, c, mid, vargs); |
| 3149 | break; |
| 3150 | case kStatic: |
| 3151 | result.C = baseEnv(env)->CallStaticCharMethodV(env, c, mid, vargs); |
| 3152 | break; |
| 3153 | default: |
| 3154 | LOG(FATAL) << "Unexpected invoke: " << invoke; |
| 3155 | } |
| 3156 | break; |
| 3157 | case Primitive::kPrimShort: |
| 3158 | result_check = "S"; |
| 3159 | switch (invoke) { |
| 3160 | case kVirtual: |
| 3161 | result.S = baseEnv(env)->CallShortMethodV(env, obj, mid, vargs); |
| 3162 | break; |
| 3163 | case kDirect: |
| 3164 | result.S = baseEnv(env)->CallNonvirtualShortMethodV(env, obj, c, mid, vargs); |
| 3165 | break; |
| 3166 | case kStatic: |
| 3167 | result.S = baseEnv(env)->CallStaticShortMethodV(env, c, mid, vargs); |
| 3168 | break; |
| 3169 | default: |
| 3170 | LOG(FATAL) << "Unexpected invoke: " << invoke; |
| 3171 | } |
| 3172 | break; |
| 3173 | case Primitive::kPrimInt: |
| 3174 | result_check = "I"; |
| 3175 | switch (invoke) { |
| 3176 | case kVirtual: |
| 3177 | result.I = baseEnv(env)->CallIntMethodV(env, obj, mid, vargs); |
| 3178 | break; |
| 3179 | case kDirect: |
| 3180 | result.I = baseEnv(env)->CallNonvirtualIntMethodV(env, obj, c, mid, vargs); |
| 3181 | break; |
| 3182 | case kStatic: |
| 3183 | result.I = baseEnv(env)->CallStaticIntMethodV(env, c, mid, vargs); |
| 3184 | break; |
| 3185 | default: |
| 3186 | LOG(FATAL) << "Unexpected invoke: " << invoke; |
| 3187 | } |
| 3188 | break; |
| 3189 | case Primitive::kPrimLong: |
| 3190 | result_check = "J"; |
| 3191 | switch (invoke) { |
| 3192 | case kVirtual: |
| 3193 | result.J = baseEnv(env)->CallLongMethodV(env, obj, mid, vargs); |
| 3194 | break; |
| 3195 | case kDirect: |
| 3196 | result.J = baseEnv(env)->CallNonvirtualLongMethodV(env, obj, c, mid, vargs); |
| 3197 | break; |
| 3198 | case kStatic: |
| 3199 | result.J = baseEnv(env)->CallStaticLongMethodV(env, c, mid, vargs); |
| 3200 | break; |
| 3201 | default: |
| 3202 | LOG(FATAL) << "Unexpected invoke: " << invoke; |
| 3203 | } |
| 3204 | break; |
| 3205 | case Primitive::kPrimFloat: |
| 3206 | result_check = "F"; |
| 3207 | switch (invoke) { |
| 3208 | case kVirtual: |
| 3209 | result.F = baseEnv(env)->CallFloatMethodV(env, obj, mid, vargs); |
| 3210 | break; |
| 3211 | case kDirect: |
| 3212 | result.F = baseEnv(env)->CallNonvirtualFloatMethodV(env, obj, c, mid, vargs); |
| 3213 | break; |
| 3214 | case kStatic: |
| 3215 | result.F = baseEnv(env)->CallStaticFloatMethodV(env, c, mid, vargs); |
| 3216 | break; |
| 3217 | default: |
| 3218 | LOG(FATAL) << "Unexpected invoke: " << invoke; |
| 3219 | } |
| 3220 | break; |
| 3221 | case Primitive::kPrimDouble: |
| 3222 | result_check = "D"; |
| 3223 | switch (invoke) { |
| 3224 | case kVirtual: |
| 3225 | result.D = baseEnv(env)->CallDoubleMethodV(env, obj, mid, vargs); |
| 3226 | break; |
| 3227 | case kDirect: |
| 3228 | result.D = baseEnv(env)->CallNonvirtualDoubleMethodV(env, obj, c, mid, vargs); |
| 3229 | break; |
| 3230 | case kStatic: |
| 3231 | result.D = baseEnv(env)->CallStaticDoubleMethodV(env, c, mid, vargs); |
| 3232 | break; |
| 3233 | default: |
| 3234 | LOG(FATAL) << "Unexpected invoke: " << invoke; |
| 3235 | } |
| 3236 | break; |
| 3237 | case Primitive::kPrimVoid: |
| 3238 | result_check = "V"; |
| 3239 | result.V = nullptr; |
| 3240 | switch (invoke) { |
| 3241 | case kVirtual: |
| 3242 | baseEnv(env)->CallVoidMethodV(env, obj, mid, vargs); |
| 3243 | break; |
| 3244 | case kDirect: |
| 3245 | baseEnv(env)->CallNonvirtualVoidMethodV(env, obj, c, mid, vargs); |
| 3246 | break; |
| 3247 | case kStatic: |
| 3248 | baseEnv(env)->CallStaticVoidMethodV(env, c, mid, vargs); |
| 3249 | break; |
| 3250 | default: |
| 3251 | LOG(FATAL) << "Unexpected invoke: " << invoke; |
| 3252 | } |
| 3253 | break; |
| 3254 | default: |
| 3255 | LOG(FATAL) << "Unexpected return type: " << type; |
| 3256 | result_check = nullptr; |
| 3257 | } |
| 3258 | if (sc.Check(soa, false, result_check, &result)) { |
| 3259 | return result; |
| 3260 | } |
| 3261 | } |
| 3262 | result.J = 0; |
| 3263 | return result; |
| 3264 | } |
| 3265 | |
| 3266 | static const void* GetStringCharsInternal(const char* function_name, JNIEnv* env, jstring string, |
| 3267 | jboolean* is_copy, bool utf, bool critical) { |
| 3268 | ScopedObjectAccess soa(env); |
| 3269 | int flags = critical ? kFlag_CritGet : kFlag_CritOkay; |
| 3270 | ScopedCheck sc(flags, function_name); |
| 3271 | JniValueType args[3] = {{.E = env}, {.s = string}, {.p = is_copy}}; |
| 3272 | if (sc.Check(soa, true, "Esp", args)) { |
| 3273 | JniValueType result; |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3274 | void* ptr; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3275 | if (utf) { |
| 3276 | CHECK(!critical); |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3277 | ptr = const_cast<char*>(baseEnv(env)->GetStringUTFChars(env, string, is_copy)); |
| 3278 | result.u = reinterpret_cast<char*>(ptr); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3279 | } else { |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3280 | ptr = const_cast<jchar*>(critical ? baseEnv(env)->GetStringCritical(env, string, is_copy) : |
| 3281 | baseEnv(env)->GetStringChars(env, string, is_copy)); |
| 3282 | result.p = ptr; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3283 | } |
| 3284 | // TODO: could we be smarter about not copying when local_is_copy? |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3285 | if (ptr != nullptr && soa.ForceCopy()) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3286 | if (utf) { |
| 3287 | size_t length_in_bytes = strlen(result.u) + 1; |
| 3288 | result.u = |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3289 | reinterpret_cast<const char*>(GuardedCopy::Create(ptr, length_in_bytes, false)); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3290 | } else { |
| 3291 | size_t length_in_bytes = baseEnv(env)->GetStringLength(env, string) * 2; |
| 3292 | result.p = |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3293 | reinterpret_cast<const jchar*>(GuardedCopy::Create(ptr, length_in_bytes, false)); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3294 | } |
| 3295 | if (is_copy != nullptr) { |
| 3296 | *is_copy = JNI_TRUE; |
| 3297 | } |
| 3298 | } |
| 3299 | if (sc.Check(soa, false, utf ? "u" : "p", &result)) { |
| 3300 | return utf ? result.u : result.p; |
| 3301 | } |
| 3302 | } |
| 3303 | return nullptr; |
| 3304 | } |
| 3305 | |
| 3306 | static void ReleaseStringCharsInternal(const char* function_name, JNIEnv* env, jstring string, |
| 3307 | const void* chars, bool utf, bool critical) { |
| 3308 | ScopedObjectAccess soa(env); |
| 3309 | int flags = kFlag_ExcepOkay | kFlag_Release; |
| 3310 | if (critical) { |
| 3311 | flags |= kFlag_CritRelease; |
| 3312 | } |
| 3313 | ScopedCheck sc(flags, function_name); |
| 3314 | sc.CheckNonNull(chars); |
| 3315 | bool force_copy_ok = !soa.ForceCopy() || GuardedCopy::Check(function_name, chars, false); |
| 3316 | if (force_copy_ok && soa.ForceCopy()) { |
| 3317 | chars = reinterpret_cast<const jchar*>(GuardedCopy::Destroy(const_cast<void*>(chars))); |
| 3318 | } |
| 3319 | if (force_copy_ok) { |
| 3320 | JniValueType args[3] = {{.E = env}, {.s = string}, {.p = chars}}; |
| 3321 | if (sc.Check(soa, true, utf ? "Esu" : "Esp", args)) { |
| 3322 | if (utf) { |
| 3323 | CHECK(!critical); |
| 3324 | baseEnv(env)->ReleaseStringUTFChars(env, string, reinterpret_cast<const char*>(chars)); |
| 3325 | } else { |
| 3326 | if (critical) { |
| 3327 | baseEnv(env)->ReleaseStringCritical(env, string, reinterpret_cast<const jchar*>(chars)); |
| 3328 | } else { |
| 3329 | baseEnv(env)->ReleaseStringChars(env, string, reinterpret_cast<const jchar*>(chars)); |
| 3330 | } |
| 3331 | } |
| 3332 | JniValueType result; |
| 3333 | sc.Check(soa, false, "V", &result); |
| 3334 | } |
| 3335 | } |
| 3336 | } |
| 3337 | |
| 3338 | static jarray NewPrimitiveArray(const char* function_name, JNIEnv* env, jsize length, |
| 3339 | Primitive::Type type) { |
| 3340 | ScopedObjectAccess soa(env); |
Ian Rogers | 6a3c1fc | 2014-10-31 00:33:20 -0700 | [diff] [blame] | 3341 | ScopedCheck sc(kFlag_Default, function_name); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3342 | JniValueType args[2] = {{.E = env}, {.z = length}}; |
| 3343 | if (sc.Check(soa, true, "Ez", args)) { |
| 3344 | JniValueType result; |
| 3345 | switch (type) { |
| 3346 | case Primitive::kPrimBoolean: |
| 3347 | result.a = baseEnv(env)->NewBooleanArray(env, length); |
| 3348 | break; |
| 3349 | case Primitive::kPrimByte: |
| 3350 | result.a = baseEnv(env)->NewByteArray(env, length); |
| 3351 | break; |
| 3352 | case Primitive::kPrimChar: |
| 3353 | result.a = baseEnv(env)->NewCharArray(env, length); |
| 3354 | break; |
| 3355 | case Primitive::kPrimShort: |
| 3356 | result.a = baseEnv(env)->NewShortArray(env, length); |
| 3357 | break; |
| 3358 | case Primitive::kPrimInt: |
| 3359 | result.a = baseEnv(env)->NewIntArray(env, length); |
| 3360 | break; |
| 3361 | case Primitive::kPrimLong: |
| 3362 | result.a = baseEnv(env)->NewLongArray(env, length); |
| 3363 | break; |
| 3364 | case Primitive::kPrimFloat: |
| 3365 | result.a = baseEnv(env)->NewFloatArray(env, length); |
| 3366 | break; |
| 3367 | case Primitive::kPrimDouble: |
| 3368 | result.a = baseEnv(env)->NewDoubleArray(env, length); |
| 3369 | break; |
| 3370 | default: |
| 3371 | LOG(FATAL) << "Unexpected primitive type: " << type; |
| 3372 | } |
| 3373 | if (sc.Check(soa, false, "a", &result)) { |
| 3374 | return result.a; |
| 3375 | } |
| 3376 | } |
| 3377 | return nullptr; |
| 3378 | } |
| 3379 | |
| 3380 | static void* GetPrimitiveArrayElements(const char* function_name, Primitive::Type type, |
| 3381 | JNIEnv* env, jarray array, jboolean* is_copy) { |
| 3382 | ScopedObjectAccess soa(env); |
| 3383 | ScopedCheck sc(kFlag_Default, function_name); |
| 3384 | JniValueType args[3] = {{.E = env}, {.a = array}, {.p = is_copy}}; |
| 3385 | if (sc.Check(soa, true, "Eap", args) && sc.CheckPrimitiveArrayType(soa, array, type)) { |
| 3386 | JniValueType result; |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3387 | void* ptr = nullptr; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3388 | switch (type) { |
| 3389 | case Primitive::kPrimBoolean: |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3390 | ptr = baseEnv(env)->GetBooleanArrayElements(env, down_cast<jbooleanArray>(array), |
| 3391 | is_copy); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3392 | break; |
| 3393 | case Primitive::kPrimByte: |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3394 | ptr = baseEnv(env)->GetByteArrayElements(env, down_cast<jbyteArray>(array), is_copy); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3395 | break; |
| 3396 | case Primitive::kPrimChar: |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3397 | ptr = baseEnv(env)->GetCharArrayElements(env, down_cast<jcharArray>(array), is_copy); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3398 | break; |
| 3399 | case Primitive::kPrimShort: |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3400 | ptr = baseEnv(env)->GetShortArrayElements(env, down_cast<jshortArray>(array), is_copy); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3401 | break; |
| 3402 | case Primitive::kPrimInt: |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3403 | ptr = baseEnv(env)->GetIntArrayElements(env, down_cast<jintArray>(array), is_copy); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3404 | break; |
| 3405 | case Primitive::kPrimLong: |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3406 | ptr = baseEnv(env)->GetLongArrayElements(env, down_cast<jlongArray>(array), is_copy); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3407 | break; |
| 3408 | case Primitive::kPrimFloat: |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3409 | ptr = baseEnv(env)->GetFloatArrayElements(env, down_cast<jfloatArray>(array), is_copy); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3410 | break; |
| 3411 | case Primitive::kPrimDouble: |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3412 | ptr = baseEnv(env)->GetDoubleArrayElements(env, down_cast<jdoubleArray>(array), is_copy); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3413 | break; |
| 3414 | default: |
| 3415 | LOG(FATAL) << "Unexpected primitive type: " << type; |
| 3416 | } |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3417 | if (ptr != nullptr && soa.ForceCopy()) { |
| 3418 | ptr = GuardedCopy::CreateGuardedPACopy(env, array, is_copy, ptr); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3419 | if (is_copy != nullptr) { |
| 3420 | *is_copy = JNI_TRUE; |
| 3421 | } |
| 3422 | } |
Mathieu Chartier | b735bd9 | 2015-06-24 17:04:17 -0700 | [diff] [blame] | 3423 | result.p = ptr; |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3424 | if (sc.Check(soa, false, "p", &result)) { |
| 3425 | return const_cast<void*>(result.p); |
| 3426 | } |
| 3427 | } |
| 3428 | return nullptr; |
| 3429 | } |
| 3430 | |
| 3431 | static void ReleasePrimitiveArrayElements(const char* function_name, Primitive::Type type, |
| 3432 | JNIEnv* env, jarray array, void* elems, jint mode) { |
| 3433 | ScopedObjectAccess soa(env); |
| 3434 | ScopedCheck sc(kFlag_ExcepOkay, function_name); |
| 3435 | if (sc.CheckNonNull(elems) && sc.CheckPrimitiveArrayType(soa, array, type)) { |
| 3436 | if (soa.ForceCopy()) { |
| 3437 | elems = GuardedCopy::ReleaseGuardedPACopy(function_name, env, array, elems, mode); |
| 3438 | } |
| 3439 | if (!soa.ForceCopy() || elems != nullptr) { |
| 3440 | JniValueType args[4] = {{.E = env}, {.a = array}, {.p = elems}, {.r = mode}}; |
| 3441 | if (sc.Check(soa, true, "Eapr", args)) { |
| 3442 | switch (type) { |
| 3443 | case Primitive::kPrimBoolean: |
| 3444 | baseEnv(env)->ReleaseBooleanArrayElements(env, down_cast<jbooleanArray>(array), |
| 3445 | reinterpret_cast<jboolean*>(elems), mode); |
| 3446 | break; |
| 3447 | case Primitive::kPrimByte: |
| 3448 | baseEnv(env)->ReleaseByteArrayElements(env, down_cast<jbyteArray>(array), |
| 3449 | reinterpret_cast<jbyte*>(elems), mode); |
| 3450 | break; |
| 3451 | case Primitive::kPrimChar: |
| 3452 | baseEnv(env)->ReleaseCharArrayElements(env, down_cast<jcharArray>(array), |
| 3453 | reinterpret_cast<jchar*>(elems), mode); |
| 3454 | break; |
| 3455 | case Primitive::kPrimShort: |
| 3456 | baseEnv(env)->ReleaseShortArrayElements(env, down_cast<jshortArray>(array), |
| 3457 | reinterpret_cast<jshort*>(elems), mode); |
| 3458 | break; |
| 3459 | case Primitive::kPrimInt: |
| 3460 | baseEnv(env)->ReleaseIntArrayElements(env, down_cast<jintArray>(array), |
| 3461 | reinterpret_cast<jint*>(elems), mode); |
| 3462 | break; |
| 3463 | case Primitive::kPrimLong: |
| 3464 | baseEnv(env)->ReleaseLongArrayElements(env, down_cast<jlongArray>(array), |
| 3465 | reinterpret_cast<jlong*>(elems), mode); |
| 3466 | break; |
| 3467 | case Primitive::kPrimFloat: |
| 3468 | baseEnv(env)->ReleaseFloatArrayElements(env, down_cast<jfloatArray>(array), |
| 3469 | reinterpret_cast<jfloat*>(elems), mode); |
| 3470 | break; |
| 3471 | case Primitive::kPrimDouble: |
| 3472 | baseEnv(env)->ReleaseDoubleArrayElements(env, down_cast<jdoubleArray>(array), |
| 3473 | reinterpret_cast<jdouble*>(elems), mode); |
| 3474 | break; |
| 3475 | default: |
| 3476 | LOG(FATAL) << "Unexpected primitive type: " << type; |
| 3477 | } |
| 3478 | JniValueType result; |
| 3479 | result.V = nullptr; |
| 3480 | sc.Check(soa, false, "V", &result); |
| 3481 | } |
| 3482 | } |
| 3483 | } |
| 3484 | } |
| 3485 | |
| 3486 | static void GetPrimitiveArrayRegion(const char* function_name, Primitive::Type type, JNIEnv* env, |
| 3487 | jarray array, jsize start, jsize len, void* buf) { |
| 3488 | ScopedObjectAccess soa(env); |
| 3489 | ScopedCheck sc(kFlag_Default, function_name); |
| 3490 | JniValueType args[5] = {{.E = env}, {.a = array}, {.z = start}, {.z = len}, {.p = buf}}; |
| 3491 | // Note: the start and len arguments are checked as 'I' rather than 'z' as invalid indices |
| 3492 | // result in ArrayIndexOutOfBoundsExceptions in the base implementation. |
| 3493 | if (sc.Check(soa, true, "EaIIp", args) && sc.CheckPrimitiveArrayType(soa, array, type)) { |
| 3494 | switch (type) { |
| 3495 | case Primitive::kPrimBoolean: |
| 3496 | baseEnv(env)->GetBooleanArrayRegion(env, down_cast<jbooleanArray>(array), start, len, |
| 3497 | reinterpret_cast<jboolean*>(buf)); |
| 3498 | break; |
| 3499 | case Primitive::kPrimByte: |
| 3500 | baseEnv(env)->GetByteArrayRegion(env, down_cast<jbyteArray>(array), start, len, |
| 3501 | reinterpret_cast<jbyte*>(buf)); |
| 3502 | break; |
| 3503 | case Primitive::kPrimChar: |
| 3504 | baseEnv(env)->GetCharArrayRegion(env, down_cast<jcharArray>(array), start, len, |
| 3505 | reinterpret_cast<jchar*>(buf)); |
| 3506 | break; |
| 3507 | case Primitive::kPrimShort: |
| 3508 | baseEnv(env)->GetShortArrayRegion(env, down_cast<jshortArray>(array), start, len, |
| 3509 | reinterpret_cast<jshort*>(buf)); |
| 3510 | break; |
| 3511 | case Primitive::kPrimInt: |
| 3512 | baseEnv(env)->GetIntArrayRegion(env, down_cast<jintArray>(array), start, len, |
| 3513 | reinterpret_cast<jint*>(buf)); |
| 3514 | break; |
| 3515 | case Primitive::kPrimLong: |
| 3516 | baseEnv(env)->GetLongArrayRegion(env, down_cast<jlongArray>(array), start, len, |
| 3517 | reinterpret_cast<jlong*>(buf)); |
| 3518 | break; |
| 3519 | case Primitive::kPrimFloat: |
| 3520 | baseEnv(env)->GetFloatArrayRegion(env, down_cast<jfloatArray>(array), start, len, |
| 3521 | reinterpret_cast<jfloat*>(buf)); |
| 3522 | break; |
| 3523 | case Primitive::kPrimDouble: |
| 3524 | baseEnv(env)->GetDoubleArrayRegion(env, down_cast<jdoubleArray>(array), start, len, |
| 3525 | reinterpret_cast<jdouble*>(buf)); |
| 3526 | break; |
| 3527 | default: |
| 3528 | LOG(FATAL) << "Unexpected primitive type: " << type; |
| 3529 | } |
| 3530 | JniValueType result; |
| 3531 | result.V = nullptr; |
| 3532 | sc.Check(soa, false, "V", &result); |
| 3533 | } |
| 3534 | } |
| 3535 | |
| 3536 | static void SetPrimitiveArrayRegion(const char* function_name, Primitive::Type type, JNIEnv* env, |
| 3537 | jarray array, jsize start, jsize len, const void* buf) { |
| 3538 | ScopedObjectAccess soa(env); |
| 3539 | ScopedCheck sc(kFlag_Default, function_name); |
| 3540 | JniValueType args[5] = {{.E = env}, {.a = array}, {.z = start}, {.z = len}, {.p = buf}}; |
| 3541 | // Note: the start and len arguments are checked as 'I' rather than 'z' as invalid indices |
| 3542 | // result in ArrayIndexOutOfBoundsExceptions in the base implementation. |
| 3543 | if (sc.Check(soa, true, "EaIIp", args) && sc.CheckPrimitiveArrayType(soa, array, type)) { |
| 3544 | switch (type) { |
| 3545 | case Primitive::kPrimBoolean: |
| 3546 | baseEnv(env)->SetBooleanArrayRegion(env, down_cast<jbooleanArray>(array), start, len, |
| 3547 | reinterpret_cast<const jboolean*>(buf)); |
| 3548 | break; |
| 3549 | case Primitive::kPrimByte: |
| 3550 | baseEnv(env)->SetByteArrayRegion(env, down_cast<jbyteArray>(array), start, len, |
| 3551 | reinterpret_cast<const jbyte*>(buf)); |
| 3552 | break; |
| 3553 | case Primitive::kPrimChar: |
| 3554 | baseEnv(env)->SetCharArrayRegion(env, down_cast<jcharArray>(array), start, len, |
| 3555 | reinterpret_cast<const jchar*>(buf)); |
| 3556 | break; |
| 3557 | case Primitive::kPrimShort: |
| 3558 | baseEnv(env)->SetShortArrayRegion(env, down_cast<jshortArray>(array), start, len, |
| 3559 | reinterpret_cast<const jshort*>(buf)); |
| 3560 | break; |
| 3561 | case Primitive::kPrimInt: |
| 3562 | baseEnv(env)->SetIntArrayRegion(env, down_cast<jintArray>(array), start, len, |
| 3563 | reinterpret_cast<const jint*>(buf)); |
| 3564 | break; |
| 3565 | case Primitive::kPrimLong: |
| 3566 | baseEnv(env)->SetLongArrayRegion(env, down_cast<jlongArray>(array), start, len, |
| 3567 | reinterpret_cast<const jlong*>(buf)); |
| 3568 | break; |
| 3569 | case Primitive::kPrimFloat: |
| 3570 | baseEnv(env)->SetFloatArrayRegion(env, down_cast<jfloatArray>(array), start, len, |
| 3571 | reinterpret_cast<const jfloat*>(buf)); |
| 3572 | break; |
| 3573 | case Primitive::kPrimDouble: |
| 3574 | baseEnv(env)->SetDoubleArrayRegion(env, down_cast<jdoubleArray>(array), start, len, |
| 3575 | reinterpret_cast<const jdouble*>(buf)); |
| 3576 | break; |
| 3577 | default: |
| 3578 | LOG(FATAL) << "Unexpected primitive type: " << type; |
| 3579 | } |
| 3580 | JniValueType result; |
| 3581 | result.V = nullptr; |
| 3582 | sc.Check(soa, false, "V", &result); |
| 3583 | } |
| 3584 | } |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 3585 | }; |
| 3586 | |
| 3587 | const JNINativeInterface gCheckNativeInterface = { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 3588 | nullptr, // reserved0. |
| 3589 | nullptr, // reserved1. |
| 3590 | nullptr, // reserved2. |
| 3591 | nullptr, // reserved3. |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 3592 | CheckJNI::GetVersion, |
| 3593 | CheckJNI::DefineClass, |
| 3594 | CheckJNI::FindClass, |
| 3595 | CheckJNI::FromReflectedMethod, |
| 3596 | CheckJNI::FromReflectedField, |
| 3597 | CheckJNI::ToReflectedMethod, |
| 3598 | CheckJNI::GetSuperclass, |
| 3599 | CheckJNI::IsAssignableFrom, |
| 3600 | CheckJNI::ToReflectedField, |
| 3601 | CheckJNI::Throw, |
| 3602 | CheckJNI::ThrowNew, |
| 3603 | CheckJNI::ExceptionOccurred, |
| 3604 | CheckJNI::ExceptionDescribe, |
| 3605 | CheckJNI::ExceptionClear, |
| 3606 | CheckJNI::FatalError, |
| 3607 | CheckJNI::PushLocalFrame, |
| 3608 | CheckJNI::PopLocalFrame, |
| 3609 | CheckJNI::NewGlobalRef, |
| 3610 | CheckJNI::DeleteGlobalRef, |
| 3611 | CheckJNI::DeleteLocalRef, |
| 3612 | CheckJNI::IsSameObject, |
| 3613 | CheckJNI::NewLocalRef, |
| 3614 | CheckJNI::EnsureLocalCapacity, |
| 3615 | CheckJNI::AllocObject, |
| 3616 | CheckJNI::NewObject, |
| 3617 | CheckJNI::NewObjectV, |
| 3618 | CheckJNI::NewObjectA, |
| 3619 | CheckJNI::GetObjectClass, |
| 3620 | CheckJNI::IsInstanceOf, |
| 3621 | CheckJNI::GetMethodID, |
| 3622 | CheckJNI::CallObjectMethod, |
| 3623 | CheckJNI::CallObjectMethodV, |
| 3624 | CheckJNI::CallObjectMethodA, |
| 3625 | CheckJNI::CallBooleanMethod, |
| 3626 | CheckJNI::CallBooleanMethodV, |
| 3627 | CheckJNI::CallBooleanMethodA, |
| 3628 | CheckJNI::CallByteMethod, |
| 3629 | CheckJNI::CallByteMethodV, |
| 3630 | CheckJNI::CallByteMethodA, |
| 3631 | CheckJNI::CallCharMethod, |
| 3632 | CheckJNI::CallCharMethodV, |
| 3633 | CheckJNI::CallCharMethodA, |
| 3634 | CheckJNI::CallShortMethod, |
| 3635 | CheckJNI::CallShortMethodV, |
| 3636 | CheckJNI::CallShortMethodA, |
| 3637 | CheckJNI::CallIntMethod, |
| 3638 | CheckJNI::CallIntMethodV, |
| 3639 | CheckJNI::CallIntMethodA, |
| 3640 | CheckJNI::CallLongMethod, |
| 3641 | CheckJNI::CallLongMethodV, |
| 3642 | CheckJNI::CallLongMethodA, |
| 3643 | CheckJNI::CallFloatMethod, |
| 3644 | CheckJNI::CallFloatMethodV, |
| 3645 | CheckJNI::CallFloatMethodA, |
| 3646 | CheckJNI::CallDoubleMethod, |
| 3647 | CheckJNI::CallDoubleMethodV, |
| 3648 | CheckJNI::CallDoubleMethodA, |
| 3649 | CheckJNI::CallVoidMethod, |
| 3650 | CheckJNI::CallVoidMethodV, |
| 3651 | CheckJNI::CallVoidMethodA, |
| 3652 | CheckJNI::CallNonvirtualObjectMethod, |
| 3653 | CheckJNI::CallNonvirtualObjectMethodV, |
| 3654 | CheckJNI::CallNonvirtualObjectMethodA, |
| 3655 | CheckJNI::CallNonvirtualBooleanMethod, |
| 3656 | CheckJNI::CallNonvirtualBooleanMethodV, |
| 3657 | CheckJNI::CallNonvirtualBooleanMethodA, |
| 3658 | CheckJNI::CallNonvirtualByteMethod, |
| 3659 | CheckJNI::CallNonvirtualByteMethodV, |
| 3660 | CheckJNI::CallNonvirtualByteMethodA, |
| 3661 | CheckJNI::CallNonvirtualCharMethod, |
| 3662 | CheckJNI::CallNonvirtualCharMethodV, |
| 3663 | CheckJNI::CallNonvirtualCharMethodA, |
| 3664 | CheckJNI::CallNonvirtualShortMethod, |
| 3665 | CheckJNI::CallNonvirtualShortMethodV, |
| 3666 | CheckJNI::CallNonvirtualShortMethodA, |
| 3667 | CheckJNI::CallNonvirtualIntMethod, |
| 3668 | CheckJNI::CallNonvirtualIntMethodV, |
| 3669 | CheckJNI::CallNonvirtualIntMethodA, |
| 3670 | CheckJNI::CallNonvirtualLongMethod, |
| 3671 | CheckJNI::CallNonvirtualLongMethodV, |
| 3672 | CheckJNI::CallNonvirtualLongMethodA, |
| 3673 | CheckJNI::CallNonvirtualFloatMethod, |
| 3674 | CheckJNI::CallNonvirtualFloatMethodV, |
| 3675 | CheckJNI::CallNonvirtualFloatMethodA, |
| 3676 | CheckJNI::CallNonvirtualDoubleMethod, |
| 3677 | CheckJNI::CallNonvirtualDoubleMethodV, |
| 3678 | CheckJNI::CallNonvirtualDoubleMethodA, |
| 3679 | CheckJNI::CallNonvirtualVoidMethod, |
| 3680 | CheckJNI::CallNonvirtualVoidMethodV, |
| 3681 | CheckJNI::CallNonvirtualVoidMethodA, |
| 3682 | CheckJNI::GetFieldID, |
| 3683 | CheckJNI::GetObjectField, |
| 3684 | CheckJNI::GetBooleanField, |
| 3685 | CheckJNI::GetByteField, |
| 3686 | CheckJNI::GetCharField, |
| 3687 | CheckJNI::GetShortField, |
| 3688 | CheckJNI::GetIntField, |
| 3689 | CheckJNI::GetLongField, |
| 3690 | CheckJNI::GetFloatField, |
| 3691 | CheckJNI::GetDoubleField, |
| 3692 | CheckJNI::SetObjectField, |
| 3693 | CheckJNI::SetBooleanField, |
| 3694 | CheckJNI::SetByteField, |
| 3695 | CheckJNI::SetCharField, |
| 3696 | CheckJNI::SetShortField, |
| 3697 | CheckJNI::SetIntField, |
| 3698 | CheckJNI::SetLongField, |
| 3699 | CheckJNI::SetFloatField, |
| 3700 | CheckJNI::SetDoubleField, |
| 3701 | CheckJNI::GetStaticMethodID, |
| 3702 | CheckJNI::CallStaticObjectMethod, |
| 3703 | CheckJNI::CallStaticObjectMethodV, |
| 3704 | CheckJNI::CallStaticObjectMethodA, |
| 3705 | CheckJNI::CallStaticBooleanMethod, |
| 3706 | CheckJNI::CallStaticBooleanMethodV, |
| 3707 | CheckJNI::CallStaticBooleanMethodA, |
| 3708 | CheckJNI::CallStaticByteMethod, |
| 3709 | CheckJNI::CallStaticByteMethodV, |
| 3710 | CheckJNI::CallStaticByteMethodA, |
| 3711 | CheckJNI::CallStaticCharMethod, |
| 3712 | CheckJNI::CallStaticCharMethodV, |
| 3713 | CheckJNI::CallStaticCharMethodA, |
| 3714 | CheckJNI::CallStaticShortMethod, |
| 3715 | CheckJNI::CallStaticShortMethodV, |
| 3716 | CheckJNI::CallStaticShortMethodA, |
| 3717 | CheckJNI::CallStaticIntMethod, |
| 3718 | CheckJNI::CallStaticIntMethodV, |
| 3719 | CheckJNI::CallStaticIntMethodA, |
| 3720 | CheckJNI::CallStaticLongMethod, |
| 3721 | CheckJNI::CallStaticLongMethodV, |
| 3722 | CheckJNI::CallStaticLongMethodA, |
| 3723 | CheckJNI::CallStaticFloatMethod, |
| 3724 | CheckJNI::CallStaticFloatMethodV, |
| 3725 | CheckJNI::CallStaticFloatMethodA, |
| 3726 | CheckJNI::CallStaticDoubleMethod, |
| 3727 | CheckJNI::CallStaticDoubleMethodV, |
| 3728 | CheckJNI::CallStaticDoubleMethodA, |
| 3729 | CheckJNI::CallStaticVoidMethod, |
| 3730 | CheckJNI::CallStaticVoidMethodV, |
| 3731 | CheckJNI::CallStaticVoidMethodA, |
| 3732 | CheckJNI::GetStaticFieldID, |
| 3733 | CheckJNI::GetStaticObjectField, |
| 3734 | CheckJNI::GetStaticBooleanField, |
| 3735 | CheckJNI::GetStaticByteField, |
| 3736 | CheckJNI::GetStaticCharField, |
| 3737 | CheckJNI::GetStaticShortField, |
| 3738 | CheckJNI::GetStaticIntField, |
| 3739 | CheckJNI::GetStaticLongField, |
| 3740 | CheckJNI::GetStaticFloatField, |
| 3741 | CheckJNI::GetStaticDoubleField, |
| 3742 | CheckJNI::SetStaticObjectField, |
| 3743 | CheckJNI::SetStaticBooleanField, |
| 3744 | CheckJNI::SetStaticByteField, |
| 3745 | CheckJNI::SetStaticCharField, |
| 3746 | CheckJNI::SetStaticShortField, |
| 3747 | CheckJNI::SetStaticIntField, |
| 3748 | CheckJNI::SetStaticLongField, |
| 3749 | CheckJNI::SetStaticFloatField, |
| 3750 | CheckJNI::SetStaticDoubleField, |
| 3751 | CheckJNI::NewString, |
| 3752 | CheckJNI::GetStringLength, |
| 3753 | CheckJNI::GetStringChars, |
| 3754 | CheckJNI::ReleaseStringChars, |
| 3755 | CheckJNI::NewStringUTF, |
| 3756 | CheckJNI::GetStringUTFLength, |
| 3757 | CheckJNI::GetStringUTFChars, |
| 3758 | CheckJNI::ReleaseStringUTFChars, |
| 3759 | CheckJNI::GetArrayLength, |
| 3760 | CheckJNI::NewObjectArray, |
| 3761 | CheckJNI::GetObjectArrayElement, |
| 3762 | CheckJNI::SetObjectArrayElement, |
| 3763 | CheckJNI::NewBooleanArray, |
| 3764 | CheckJNI::NewByteArray, |
| 3765 | CheckJNI::NewCharArray, |
| 3766 | CheckJNI::NewShortArray, |
| 3767 | CheckJNI::NewIntArray, |
| 3768 | CheckJNI::NewLongArray, |
| 3769 | CheckJNI::NewFloatArray, |
| 3770 | CheckJNI::NewDoubleArray, |
| 3771 | CheckJNI::GetBooleanArrayElements, |
| 3772 | CheckJNI::GetByteArrayElements, |
| 3773 | CheckJNI::GetCharArrayElements, |
| 3774 | CheckJNI::GetShortArrayElements, |
| 3775 | CheckJNI::GetIntArrayElements, |
| 3776 | CheckJNI::GetLongArrayElements, |
| 3777 | CheckJNI::GetFloatArrayElements, |
| 3778 | CheckJNI::GetDoubleArrayElements, |
| 3779 | CheckJNI::ReleaseBooleanArrayElements, |
| 3780 | CheckJNI::ReleaseByteArrayElements, |
| 3781 | CheckJNI::ReleaseCharArrayElements, |
| 3782 | CheckJNI::ReleaseShortArrayElements, |
| 3783 | CheckJNI::ReleaseIntArrayElements, |
| 3784 | CheckJNI::ReleaseLongArrayElements, |
| 3785 | CheckJNI::ReleaseFloatArrayElements, |
| 3786 | CheckJNI::ReleaseDoubleArrayElements, |
| 3787 | CheckJNI::GetBooleanArrayRegion, |
| 3788 | CheckJNI::GetByteArrayRegion, |
| 3789 | CheckJNI::GetCharArrayRegion, |
| 3790 | CheckJNI::GetShortArrayRegion, |
| 3791 | CheckJNI::GetIntArrayRegion, |
| 3792 | CheckJNI::GetLongArrayRegion, |
| 3793 | CheckJNI::GetFloatArrayRegion, |
| 3794 | CheckJNI::GetDoubleArrayRegion, |
| 3795 | CheckJNI::SetBooleanArrayRegion, |
| 3796 | CheckJNI::SetByteArrayRegion, |
| 3797 | CheckJNI::SetCharArrayRegion, |
| 3798 | CheckJNI::SetShortArrayRegion, |
| 3799 | CheckJNI::SetIntArrayRegion, |
| 3800 | CheckJNI::SetLongArrayRegion, |
| 3801 | CheckJNI::SetFloatArrayRegion, |
| 3802 | CheckJNI::SetDoubleArrayRegion, |
| 3803 | CheckJNI::RegisterNatives, |
| 3804 | CheckJNI::UnregisterNatives, |
| 3805 | CheckJNI::MonitorEnter, |
| 3806 | CheckJNI::MonitorExit, |
| 3807 | CheckJNI::GetJavaVM, |
| 3808 | CheckJNI::GetStringRegion, |
| 3809 | CheckJNI::GetStringUTFRegion, |
| 3810 | CheckJNI::GetPrimitiveArrayCritical, |
| 3811 | CheckJNI::ReleasePrimitiveArrayCritical, |
| 3812 | CheckJNI::GetStringCritical, |
| 3813 | CheckJNI::ReleaseStringCritical, |
| 3814 | CheckJNI::NewWeakGlobalRef, |
| 3815 | CheckJNI::DeleteWeakGlobalRef, |
| 3816 | CheckJNI::ExceptionCheck, |
| 3817 | CheckJNI::NewDirectByteBuffer, |
| 3818 | CheckJNI::GetDirectBufferAddress, |
| 3819 | CheckJNI::GetDirectBufferCapacity, |
| 3820 | CheckJNI::GetObjectRefType, |
| 3821 | }; |
| 3822 | |
| 3823 | const JNINativeInterface* GetCheckJniNativeInterface() { |
| 3824 | return &gCheckNativeInterface; |
| 3825 | } |
| 3826 | |
| 3827 | class CheckJII { |
Elliott Hughes | ba8eee1 | 2012-01-24 20:25:24 -0800 | [diff] [blame] | 3828 | public: |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 3829 | static jint DestroyJavaVM(JavaVM* vm) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3830 | ScopedCheck sc(kFlag_Invocation, __FUNCTION__, false); |
| 3831 | JniValueType args[1] = {{.v = vm}}; |
| 3832 | sc.CheckNonHeap(reinterpret_cast<JavaVMExt*>(vm), true, "v", args); |
| 3833 | JniValueType result; |
| 3834 | result.i = BaseVm(vm)->DestroyJavaVM(vm); |
Andreas Gampe | def194e | 2015-02-19 15:19:50 -0800 | [diff] [blame] | 3835 | // Use null to signal that the JavaVM isn't valid anymore. DestroyJavaVM deletes the runtime, |
| 3836 | // which will delete the JavaVMExt. |
| 3837 | sc.CheckNonHeap(nullptr, false, "i", &result); |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3838 | return result.i; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 3839 | } |
| 3840 | |
| 3841 | static jint AttachCurrentThread(JavaVM* vm, JNIEnv** p_env, void* thr_args) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3842 | ScopedCheck sc(kFlag_Invocation, __FUNCTION__); |
| 3843 | JniValueType args[3] = {{.v = vm}, {.p = p_env}, {.p = thr_args}}; |
| 3844 | sc.CheckNonHeap(reinterpret_cast<JavaVMExt*>(vm), true, "vpp", args); |
| 3845 | JniValueType result; |
| 3846 | result.i = BaseVm(vm)->AttachCurrentThread(vm, p_env, thr_args); |
| 3847 | sc.CheckNonHeap(reinterpret_cast<JavaVMExt*>(vm), false, "i", &result); |
| 3848 | return result.i; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 3849 | } |
| 3850 | |
| 3851 | static jint AttachCurrentThreadAsDaemon(JavaVM* vm, JNIEnv** p_env, void* thr_args) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3852 | ScopedCheck sc(kFlag_Invocation, __FUNCTION__); |
| 3853 | JniValueType args[3] = {{.v = vm}, {.p = p_env}, {.p = thr_args}}; |
| 3854 | sc.CheckNonHeap(reinterpret_cast<JavaVMExt*>(vm), true, "vpp", args); |
| 3855 | JniValueType result; |
| 3856 | result.i = BaseVm(vm)->AttachCurrentThreadAsDaemon(vm, p_env, thr_args); |
| 3857 | sc.CheckNonHeap(reinterpret_cast<JavaVMExt*>(vm), false, "i", &result); |
| 3858 | return result.i; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 3859 | } |
| 3860 | |
| 3861 | static jint DetachCurrentThread(JavaVM* vm) { |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3862 | ScopedCheck sc(kFlag_Invocation, __FUNCTION__); |
| 3863 | JniValueType args[1] = {{.v = vm}}; |
| 3864 | sc.CheckNonHeap(reinterpret_cast<JavaVMExt*>(vm), true, "v", args); |
| 3865 | JniValueType result; |
| 3866 | result.i = BaseVm(vm)->DetachCurrentThread(vm); |
| 3867 | sc.CheckNonHeap(reinterpret_cast<JavaVMExt*>(vm), false, "i", &result); |
| 3868 | return result.i; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 3869 | } |
| 3870 | |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3871 | static jint GetEnv(JavaVM* vm, void** p_env, jint version) { |
| 3872 | ScopedCheck sc(kFlag_Invocation, __FUNCTION__); |
| 3873 | JniValueType args[3] = {{.v = vm}, {.p = p_env}, {.I = version}}; |
| 3874 | sc.CheckNonHeap(reinterpret_cast<JavaVMExt*>(vm), true, "vpI", args); |
| 3875 | JniValueType result; |
| 3876 | result.i = BaseVm(vm)->GetEnv(vm, p_env, version); |
| 3877 | sc.CheckNonHeap(reinterpret_cast<JavaVMExt*>(vm), false, "i", &result); |
| 3878 | return result.i; |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 3879 | } |
| 3880 | |
| 3881 | private: |
Ian Rogers | 68d8b42 | 2014-07-17 11:09:10 -0700 | [diff] [blame] | 3882 | static const JNIInvokeInterface* BaseVm(JavaVM* vm) { |
| 3883 | return reinterpret_cast<JavaVMExt*>(vm)->GetUncheckedFunctions(); |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 3884 | } |
| 3885 | }; |
| 3886 | |
| 3887 | const JNIInvokeInterface gCheckInvokeInterface = { |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 3888 | nullptr, // reserved0 |
| 3889 | nullptr, // reserved1 |
| 3890 | nullptr, // reserved2 |
Elliott Hughes | a250199 | 2011-08-26 19:39:54 -0700 | [diff] [blame] | 3891 | CheckJII::DestroyJavaVM, |
| 3892 | CheckJII::AttachCurrentThread, |
| 3893 | CheckJII::DetachCurrentThread, |
| 3894 | CheckJII::GetEnv, |
| 3895 | CheckJII::AttachCurrentThreadAsDaemon |
| 3896 | }; |
| 3897 | |
| 3898 | const JNIInvokeInterface* GetCheckJniInvokeInterface() { |
| 3899 | return &gCheckInvokeInterface; |
| 3900 | } |
| 3901 | |
| 3902 | } // namespace art |