/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this file, * You can obtain one at http://mozilla.org/MPL/2.0/. */ #ifndef Logging_h #define Logging_h #include "mozilla/Likely.h" #ifdef ANDROID #include <android/log.h> #define LOG(...) __android_log_print(ANDROID_LOG_INFO, "GeckoLinker", __VA_ARGS__) #define WARN(...) __android_log_print(ANDROID_LOG_WARN, "GeckoLinker", __VA_ARGS__) #define ERROR(...) __android_log_print(ANDROID_LOG_ERROR, "GeckoLinker", __VA_ARGS__) #else #include <cstdio> /* Expand to 1 or m depending on whether there is one argument or more * given. */ #define MOZ_ONE_OR_MORE_ARGS_IMPL2(_1, _2, _3, _4, _5, _6, _7, _8, _9, N, ...) \ N #define MOZ_ONE_OR_MORE_ARGS_IMPL(args) MOZ_ONE_OR_MORE_ARGS_IMPL2 args #define MOZ_ONE_OR_MORE_ARGS(...) \ MOZ_ONE_OR_MORE_ARGS_IMPL((__VA_ARGS__, m, m, m, m, m, m, m, m, 1, 0)) #define MOZ_MACRO_GLUE(a, b) a b #define MOZ_CONCAT2(a, b) a ## b #define MOZ_CONCAT1(a, b) MOZ_CONCAT2(a, b) #define MOZ_CONCAT(a, b) MOZ_CONCAT1(a, b) /* Some magic to choose between LOG1 and LOGm depending on the number of * arguments */ #define MOZ_CHOOSE_LOG(...) \ MOZ_MACRO_GLUE(MOZ_CONCAT(LOG, MOZ_ONE_OR_MORE_ARGS(__VA_ARGS__)), \ (__VA_ARGS__)) #define LOG1(format) fprintf(stderr, format "\n") #define LOGm(format, ...) fprintf(stderr, format "\n", __VA_ARGS__) #define LOG(...) MOZ_CHOOSE_LOG(__VA_ARGS__) #define WARN(...) MOZ_CHOOSE_LOG("Warning: " __VA_ARGS__) #define ERROR(...) MOZ_CHOOSE_LOG("Error: " __VA_ARGS__) #endif class Logging { public: static bool isVerbose() { return Singleton.verbose; } private: bool verbose; public: static void Init() { const char *env = getenv("MOZ_DEBUG_LINKER"); if (env && *env == '1') Singleton.verbose = true; } private: static Logging Singleton; }; #define DEBUG_LOG(...) \ do { \ if (MOZ_UNLIKELY(Logging::isVerbose())) { \ LOG(__VA_ARGS__); \ } \ } while(0) #if defined(__LP64__) # define PRIxAddr "lx" # define PRIxSize "lx" # define PRIdSize "ld" # define PRIuSize "lu" #else # define PRIxAddr "x" # define PRIxSize "x" # define PRIdSize "d" # define PRIuSize "u" #endif #endif /* Logging_h */