native_bridge.h revision a6ac9ce98bd38099a4e89010111d14e4d5fc190e
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/* 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer * Copyright (C) 2014 The Android Open Source Project 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer * 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer * Licensed under the Apache License, Version 2.0 (the "License"); 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner * you may not use this file except in compliance with the License. 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner * You may obtain a copy of the License at 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer * 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer * http://www.apache.org/licenses/LICENSE-2.0 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer * 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer * Unless required by applicable law or agreed to in writing, software 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer * distributed under the License is distributed on an "AS IS" BASIS, 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer * See the License for the specific language governing permissions and 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer * limitations under the License. 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer */ 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 172eefd8657c233bc7c9330acfe475fc270bbe7cabTed Kremenek#ifndef NATIVE_BRIDGE_H_ 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define NATIVE_BRIDGE_H_ 1904ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner 20f86638365f4801ec2d2970f7c0663e94590618b8Chris Lattner#include "jni.h" 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <signal.h> 22f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner#include <stdint.h> 23f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner#include <sys/types.h> 24f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattner 25f4c839657742b823cea1a95b18422f1ba74d3dddChris Lattnernamespace android { 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 273cbfe2c4159e0a219ae660d50625c013aa4afbd0Chris Lattnerstruct NativeBridgeRuntimeCallbacks; 28b2153946fff330e54abfdc740c0a83aedd485b33Anders Carlssonstruct NativeBridgeRuntimeValues; 29d42ffbd22fc7eb61321f6a88173ee424991f01c6Ted Kremenek 3040469651a3f8379dc0f32df69e9bade06a2aad36Chris Lattner// Function pointer type for sigaction. This is mostly the signature of a signal handler, except 31b2153946fff330e54abfdc740c0a83aedd485b33Anders Carlsson// for the return type. The runtime needs to know whether the signal was handled or should be given 32b2153946fff330e54abfdc740c0a83aedd485b33Anders Carlsson// to the chain. 331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumptypedef bool (*NativeBridgeSignalHandlerFn)(int, siginfo_t*, void*); 345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3619e8e2cffc19606d0f44e7c2897cd126ffd3f9b0Chris Lattner// Open the native bridge, if any. Should be called by Runtime::Init(). A null library filename 3719e8e2cffc19606d0f44e7c2897cd126ffd3f9b0Chris Lattner// signals that we do not want to load a native bridge. 384ad4b3ebbe5769143389dccfcfadb666a4ba5940Daniel Dunbarbool LoadNativeBridge(const char* native_bridge_library_filename, 3950f4f469024928670f2d634c445686d00eeb89b7Daniel Dunbar const NativeBridgeRuntimeCallbacks* runtime_callbacks); 4050f4f469024928670f2d634c445686d00eeb89b7Daniel Dunbar 4119e8e2cffc19606d0f44e7c2897cd126ffd3f9b0Chris Lattner// Quick check whether a native bridge will be needed. This is based off of the instruction set 4219e8e2cffc19606d0f44e7c2897cd126ffd3f9b0Chris Lattner// of the process. 4319e8e2cffc19606d0f44e7c2897cd126ffd3f9b0Chris Lattnerbool NeedsNativeBridge(const char* instruction_set); 4419e8e2cffc19606d0f44e7c2897cd126ffd3f9b0Chris Lattner 4519e8e2cffc19606d0f44e7c2897cd126ffd3f9b0Chris Lattner// Do the early initialization part of the native bridge, if necessary. This should be done under 4619e8e2cffc19606d0f44e7c2897cd126ffd3f9b0Chris Lattner// high privileges. 4719e8e2cffc19606d0f44e7c2897cd126ffd3f9b0Chris Lattnerbool PreInitializeNativeBridge(const char* app_data_dir, const char* instruction_set); 48182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner 491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// Initialize the native bridge, if any. Should be called by Runtime::DidForkFromZygote. The JNIEnv* 505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// will be used to modify the app environment for the bridge. 5120c6b3b85e186cd52d5d99489132d71d498159ebChris Lattnerbool InitializeNativeBridge(JNIEnv* env, const char* instruction_set); 5220c6b3b85e186cd52d5d99489132d71d498159ebChris Lattner 5388eccaf06f9d88191723e71bdf5ca68409393be6Chris Lattner// Unload the native bridge, if any. Should be called by Runtime::DidForkFromZygote. 5488eccaf06f9d88191723e71bdf5ca68409393be6Chris Lattnervoid UnloadNativeBridge(); 555e9f35c7cb61aea46f56d46c77cbcf47c0cf28baDouglas Gregor 564d7a089144f336b11e5e8ce437b3b27bce2b310dSebastian Redl// Check whether a native bridge is available (opened or initialized). Requires a prior call to 5788eccaf06f9d88191723e71bdf5ca68409393be6Chris Lattner// LoadNativeBridge. 5888eccaf06f9d88191723e71bdf5ca68409393be6Chris Lattnerbool NativeBridgeAvailable(); 5988eccaf06f9d88191723e71bdf5ca68409393be6Chris Lattner 601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// Check whether a native bridge is available (initialized). Requires a prior call to 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// LoadNativeBridge & InitializeNativeBridge. 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerbool NativeBridgeInitialized(); 6327ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner 6427ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner// Load a shared library that is supported by the native bridge. 6527ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattnervoid* NativeBridgeLoadLibrary(const char* libpath, int flag); 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 67691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner// Get a native bridge trampoline for specified native method. 68691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattnervoid* NativeBridgeGetTrampoline(void* handle, const char* name, const char* shorty, uint32_t len); 69691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner 70691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner// True if native library is valid and is for an ABI that is supported by native bridge. 712b07d8fe9e8a8ba12d64066632e17a9a5308a12eChris Lattnerbool NativeBridgeIsSupported(const char* libpath); 721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 73b54b276a920246c595a0498da281821eb9d22996Chris Lattner// Returns the version number of the native bridge. This information is available after a 74b54b276a920246c595a0498da281821eb9d22996Chris Lattner// successful LoadNativeBridge() and before closing it, that is, as long as NativeBridgeAvailable() 75b54b276a920246c595a0498da281821eb9d22996Chris Lattner// returns true. Returns 0 otherwise. 765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spenceruint32_t NativeBridgeGetVersion(); 775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// Returns a signal handler that the bridge would like to be managed. Only valid for a native 794b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor// bridge supporting the version 2 interface. Will return null if the bridge does not support 804b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor// version 2, or if it doesn't have a signal handler it wants to be known. 814b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas GregorNativeBridgeSignalHandlerFn NativeBridgeGetSignalHandler(int signal); 824b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 834b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor// Returns whether we have seen a native bridge error. This could happen because the library 844b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor// was not found, rejected, could not be initialized and so on. 854b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor// 86b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor// This functionality is mainly for testing. 874b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregorbool NativeBridgeError(); 884b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 894b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor// Returns whether a given string is acceptable as a native bridge library filename. 904b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor// 914b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor// This functionality is exposed mainly for testing. 924b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregorbool NativeBridgeNameAcceptable(const char* native_bridge_library_filename); 934b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 944b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor// Native bridge interfaces to runtime. 954b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregorstruct NativeBridgeCallbacks { 964b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // Version number of the interface. 974b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor uint32_t version; 984b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor 994b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // Initialize native bridge. Native bridge's internal implementation must ensure MT safety and 1004b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // that the native bridge is initialized only once. Thus it is OK to call this interface for an 1014b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // already initialized native bridge. 1024b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // 1034b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // Parameters: 1044b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // runtime_cbs [IN] the pointer to NativeBridgeRuntimeCallbacks. 1054b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // Returns: 1064b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // true iff initialization was successful. 1071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool (*initialize)(const NativeBridgeRuntimeCallbacks* runtime_cbs, const char* private_dir, 108b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor const char* instruction_set); 109b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor 110b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor // Load a shared library that is supported by the native bridge. 111b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor // 112b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor // Parameters: 113b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor // libpath [IN] path to the shared library 1144b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // flag [IN] the stardard RTLD_XXX defined in bionic dlfcn.h 1154b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // Returns: 1164b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // The opaque handle of the shared library if sucessful, otherwise NULL 117b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor void* (*loadLibrary)(const char* libpath, int flag); 118b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor 119b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor // Get a native bridge trampoline for specified native method. The trampoline has same 120b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor // sigature as the native method. 121b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor // 1224b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // Parameters: 1234b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // handle [IN] the handle returned from loadLibrary 1244b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // shorty [IN] short descriptor of native method 1251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // len [IN] length of shorty 126b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor // Returns: 127b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor // address of trampoline if successful, otherwise NULL 128b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor void* (*getTrampoline)(void* handle, const char* name, const char* shorty, uint32_t len); 129b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor 130b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor // Check whether native library is valid and is for an ABI that is supported by native bridge. 131b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor // 132b2fb6de9070fea9abc56c8e8d5469066e964cefeDouglas Gregor // Parameters: 1334b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // libpath [IN] path to the shared library 1344b2d3f7bcc4df31157df443af1b80bcaa9b58bbaDouglas Gregor // Returns: 1355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // TRUE if library is supported by native bridge, FALSE otherwise 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool (*isSupported)(const char* libpath); 1375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Provide environment values required by the app running with native bridge according to the 1395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // instruction set. 140182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner // 141182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner // Parameters: 142182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner // instruction_set [IN] the instruction set of the app 143da0cbc1ad4a553c4de111c1181ec7b42c5ddefceChris Lattner // Returns: 144182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner // NULL if not supported by native bridge. 1451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Otherwise, return all environment values to be set after fork. 146b54b276a920246c595a0498da281821eb9d22996Chris Lattner const struct NativeBridgeRuntimeValues* (*getAppEnv)(const char* instruction_set); 147b54b276a920246c595a0498da281821eb9d22996Chris Lattner 148b54b276a920246c595a0498da281821eb9d22996Chris Lattner // Added callbacks in version 2. 149b54b276a920246c595a0498da281821eb9d22996Chris Lattner 150b54b276a920246c595a0498da281821eb9d22996Chris Lattner // Check whether the bridge is compatible with the given version. A bridge may decide not to be 1511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // forwards- or backwards-compatible, and libnativebridge will then stop using it. 1523fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner // 15347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor // Parameters: 15447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor // bridge_version [IN] the version of libnativebridge. 15547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor // Returns: 15647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor // true iff the native bridge supports the given version of libnativebridge. 15747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor bool (*isCompatibleWith)(uint32_t bridge_version); 15847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 15947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor // A callback to retrieve a native bridge's signal handler for the specified signal. The runtime 160dacd434c49658286c380c7b4c357d76d53cb4aa1Douglas Gregor // will ensure that the signal handler is being called after the runtime's own handler, but before 161dacd434c49658286c380c7b4c357d76d53cb4aa1Douglas Gregor // all chained handlers. The native bridge should not try to install the handler by itself, as 1623fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner // that will potentially lead to cycles. 163ee1828a6b5ae1bc4ea300e48f3840ac1ec5be295Douglas Gregor // 1641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parameters: 16527ceb9d77d929f02a8a811d189a96885629c7c0cChris Lattner // signal [IN] the signal for which the handler is asked for. Currently, only SIGSEGV is 166b54b276a920246c595a0498da281821eb9d22996Chris Lattner // supported by the runtime. 1671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Returns: 168b54b276a920246c595a0498da281821eb9d22996Chris Lattner // NULL if the native bridge doesn't use a handler or doesn't want it to be managed by the 16981b747b7fcc91c2fba9a3183d8fac80adbfc1d3eDouglas Gregor // runtime. 170b54b276a920246c595a0498da281821eb9d22996Chris Lattner // Otherwise, a pointer to the signal handler. 171b4398aa27da4d6919c3ae448d1ae66ba6cafc048Ted Kremenek NativeBridgeSignalHandlerFn (*getSignalHandler)(int signal); 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 174691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner// Runtime interfaces to native bridge. 175691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattnerstruct NativeBridgeRuntimeCallbacks { 176691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner // Get shorty of a Java method. The shorty is supposed to be persistent in memory. 177691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner // 178691f1ae7164ba78c3dd7ac20c487399935b9544bChris Lattner // Parameters: 17904ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner // env [IN] pointer to JNIenv. 18004ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner // mid [IN] Java methodID. 18104ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner // Returns: 18204ae2df026b275aae5dddfc0db5ca55ff4e62179Chris Lattner // short descriptor for method. 18315221422eda7bac679e38b07512feda49715ef66Chris Lattner const char* (*getMethodShorty)(JNIEnv* env, jmethodID mid); 18415221422eda7bac679e38b07512feda49715ef66Chris Lattner 1855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get number of native methods for specified class. 18615221422eda7bac679e38b07512feda49715ef66Chris Lattner // 1871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Parameters: 188f5d2328fc849288c3a62e43d065685f516d57091Chris Lattner // env [IN] pointer to JNIenv. 189f5d2328fc849288c3a62e43d065685f516d57091Chris Lattner // clazz [IN] Java class object. 190f5d2328fc849288c3a62e43d065685f516d57091Chris Lattner // Returns: 191f5d2328fc849288c3a62e43d065685f516d57091Chris Lattner // number of native methods. 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer uint32_t (*getNativeMethodCount)(JNIEnv* env, jclass clazz); 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get at most 'method_count' native methods for specified class 'clazz'. Results are outputed 195182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner // via 'methods' [OUT]. The signature pointer in JNINativeMethod is reused as the method shorty. 196182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner // 197182745ae7892bca0842d9c023370ade5f8d1c6e8Chris Lattner // Parameters: 1987bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber // env [IN] pointer to JNIenv. 1993fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner // clazz [IN] Java class object. 2003fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner // methods [OUT] array of method with the name, shorty, and fnPtr. 2013fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner // method_count [IN] max number of elements in methods. 20222caddc91d2f6186739c6b20ec58ed38cd68e595Chris Lattner // Returns: 2033fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner // number of method it actually wrote to methods. 2043fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner uint32_t (*getNativeMethods)(JNIEnv* env, jclass clazz, JNINativeMethod* methods, 2053fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner uint32_t method_count); 20692dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner}; 20792dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner 20892dd386e3f05d176b45a638199d51f536bd9d1c4Chris Lattner}; // namespace android 2093fdf4b071dc79fae778fb5f376485480756c76a3Chris Lattner 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif // NATIVE_BRIDGE_H_ 2117bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber