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| 1 /* | |
| 2 * Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 3 * Use of this source code is governed by a BSD-style license that can be | |
| 4 * found in the LICENSE file. | |
| 5 */ | |
| 6 | |
| 7 // A collection of debugging related interfaces. | |
| 8 | |
| 9 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_UTILITY_H_ | |
| 10 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_UTILITY_H_ | |
| 11 | |
| 12 #include "native_client/src/include/nacl_macros.h" | |
| 13 #include "native_client/src/include/portability.h" | |
| 14 #include "native_client/src/shared/platform/nacl_threads.h" | |
| 15 #include "native_client/src/shared/platform/nacl_time.h" | |
| 16 #include "ppapi/c/private/pp_file_handle.h" | |
| 17 #include "ppapi/c/private/ppb_nacl_private.h" | |
| 18 | |
| 19 #define SRPC_PLUGIN_DEBUG 1 | |
| 20 | |
| 21 namespace plugin { | |
| 22 | |
| 23 // Tests that a string is a valid JavaScript identifier. According to the | |
| 24 // ECMAScript spec, this should be done in terms of unicode character | |
| 25 // categories. For now, we are simply limiting identifiers to the ASCII | |
| 26 // subset of that spec. If successful, it returns the length of the | |
| 27 // identifier in the location pointed to by length (if it is not NULL). | |
| 28 // TODO(sehr): add Unicode identifier support. | |
| 29 bool IsValidIdentifierString(const char* strval, uint32_t* length); | |
| 30 | |
| 31 const PPB_NaCl_Private* GetNaClInterface(); | |
| 32 void SetNaClInterface(const PPB_NaCl_Private* nacl_interface); | |
| 33 | |
| 34 void CloseFileHandle(PP_FileHandle file_handle); | |
| 35 | |
| 36 // Converts a PP_FileHandle to a POSIX file descriptor. | |
| 37 int32_t ConvertFileDescriptor(PP_FileHandle handle, bool read_only); | |
| 38 | |
| 39 // Debugging print utility | |
| 40 extern int gNaClPluginDebugPrintEnabled; | |
| 41 extern int NaClPluginPrintLog(const char *format, ...); | |
| 42 extern int NaClPluginDebugPrintCheckEnv(); | |
| 43 #if SRPC_PLUGIN_DEBUG | |
| 44 #define INIT_PLUGIN_LOGGING() do { \ | |
| 45 if (-1 == ::plugin::gNaClPluginDebugPrintEnabled) { \ | |
| 46 ::plugin::gNaClPluginDebugPrintEnabled = \ | |
| 47 ::plugin::NaClPluginDebugPrintCheckEnv(); \ | |
| 48 } \ | |
| 49 } while (0) | |
| 50 | |
| 51 #define PLUGIN_PRINTF(args) do { \ | |
| 52 INIT_PLUGIN_LOGGING(); \ | |
| 53 if (0 != ::plugin::gNaClPluginDebugPrintEnabled) { \ | |
| 54 ::plugin::NaClPluginPrintLog("PLUGIN %" NACL_PRIu64 ": ", \ | |
| 55 NaClGetTimeOfDayMicroseconds()); \ | |
| 56 ::plugin::NaClPluginPrintLog args; \ | |
| 57 } \ | |
| 58 } while (0) | |
| 59 | |
| 60 // MODULE_PRINTF is used in the module because PLUGIN_PRINTF uses a | |
| 61 // a timer that may not yet be initialized. | |
| 62 #define MODULE_PRINTF(args) do { \ | |
| 63 INIT_PLUGIN_LOGGING(); \ | |
| 64 if (0 != ::plugin::gNaClPluginDebugPrintEnabled) { \ | |
| 65 ::plugin::NaClPluginPrintLog("MODULE: "); \ | |
| 66 ::plugin::NaClPluginPrintLog args; \ | |
| 67 } \ | |
| 68 } while (0) | |
| 69 #else | |
| 70 # define PLUGIN_PRINTF(args) do { if (0) { printf args; } } while (0) | |
| 71 # define MODULE_PRINTF(args) do { if (0) { printf args; } } while (0) | |
| 72 /* allows DCE but compiler can still do format string checks */ | |
| 73 #endif | |
| 74 | |
| 75 } // namespace plugin | |
| 76 | |
| 77 #endif // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_UTILITY_H_ | |
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