The Tor Browser / file comparison
comparison: mozglue/linker/Logging.h
mozglue/linker/Logging.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:78fe0a593275 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef Logging_h | |
| 6 #define Logging_h | |
| 7 | |
| 8 #include "mozilla/Likely.h" | |
| 9 | |
| 10 #ifdef ANDROID | |
| 11 #include <android/log.h> | |
| 12 #define LOG(...) __android_log_print(ANDROID_LOG_ERROR, "GeckoLinker", __VA_ARGS__) | |
| 13 #else | |
| 14 #include <cstdio> | |
| 15 | |
| 16 /* Expand to 1 or m depending on whether there is one argument or more | |
| 17 * given. */ | |
| 18 #define MOZ_ONE_OR_MORE_ARGS_IMPL2(_1, _2, _3, _4, _5, _6, _7, _8, _9, N, ...) \ | |
| 19 N | |
| 20 #define MOZ_ONE_OR_MORE_ARGS_IMPL(args) MOZ_ONE_OR_MORE_ARGS_IMPL2 args | |
| 21 #define MOZ_ONE_OR_MORE_ARGS(...) \ | |
| 22 MOZ_ONE_OR_MORE_ARGS_IMPL((__VA_ARGS__, m, m, m, m, m, m, m, m, 1, 0)) | |
| 23 | |
| 24 #define MOZ_MACRO_GLUE(a, b) a b | |
| 25 #define MOZ_CONCAT2(a, b) a ## b | |
| 26 #define MOZ_CONCAT1(a, b) MOZ_CONCAT2(a, b) | |
| 27 #define MOZ_CONCAT(a, b) MOZ_CONCAT1(a, b) | |
| 28 | |
| 29 /* Some magic to choose between LOG1 and LOGm depending on the number of | |
| 30 * arguments */ | |
| 31 #define MOZ_CHOOSE_LOG(...) \ | |
| 32 MOZ_MACRO_GLUE(MOZ_CONCAT(LOG, MOZ_ONE_OR_MORE_ARGS(__VA_ARGS__)), \ | |
| 33 (__VA_ARGS__)) | |
| 34 | |
| 35 #define LOG1(format) fprintf(stderr, format "\n") | |
| 36 #define LOGm(format, ...) fprintf(stderr, format "\n", __VA_ARGS__) | |
| 37 #define LOG(...) MOZ_CHOOSE_LOG(__VA_ARGS__) | |
| 38 | |
| 39 #endif | |
| 40 | |
| 41 class Logging | |
| 42 { | |
| 43 public: | |
| 44 static bool isVerbose() | |
| 45 { | |
| 46 return Singleton.verbose; | |
| 47 } | |
| 48 | |
| 49 private: | |
| 50 bool verbose; | |
| 51 | |
| 52 public: | |
| 53 static void Init() | |
| 54 { | |
| 55 const char *env = getenv("MOZ_DEBUG_LINKER"); | |
| 56 if (env && *env == '1') | |
| 57 Singleton.verbose = true; | |
| 58 } | |
| 59 | |
| 60 private: | |
| 61 static Logging Singleton; | |
| 62 }; | |
| 63 | |
| 64 #define DEBUG_LOG(...) \ | |
| 65 do { \ | |
| 66 if (MOZ_UNLIKELY(Logging::isVerbose())) { \ | |
| 67 LOG(__VA_ARGS__); \ | |
| 68 } \ | |
| 69 } while(0) | |
| 70 | |
| 71 #if defined(__LP64__) | |
| 72 # define PRIxAddr "lx" | |
| 73 # define PRIxSize "lx" | |
| 74 # define PRIdSize "ld" | |
| 75 # define PRIuSize "lu" | |
| 76 #else | |
| 77 # define PRIxAddr "x" | |
| 78 # define PRIxSize "x" | |
| 79 # define PRIdSize "d" | |
| 80 # define PRIuSize "u" | |
| 81 #endif | |
| 82 | |
| 83 #endif /* Logging_h */ |
