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-rw-r--r--runtime/base/logging.h184
1 files changed, 18 insertions, 166 deletions
diff --git a/runtime/base/logging.h b/runtime/base/logging.h
index 185aa0e577..26ab1f9d0f 100644
--- a/runtime/base/logging.h
+++ b/runtime/base/logging.h
@@ -18,20 +18,16 @@
#define ART_RUNTIME_BASE_LOGGING_H_
#include <ostream>
+#include <sstream>
+#include "android-base/logging.h"
#include "base/macros.h"
namespace art {
-enum LogSeverity {
- VERBOSE,
- DEBUG,
- INFO,
- WARNING,
- ERROR,
- FATAL,
- INTERNAL_FATAL, // For Runtime::Abort.
-};
+// Make libbase's LogSeverity more easily available.
+using LogSeverity = ::android::base::LogSeverity;
+using ScopedLogSeverity = ::android::base::ScopedLogSeverity;
// The members of this struct are the valid arguments to VLOG and VLOG_IS_ON in code,
// and the "-verbose:" command line argument.
@@ -89,172 +85,28 @@ extern const char* ProgramInvocationName();
// hasn't been performed then just returns "art"
extern const char* ProgramInvocationShortName();
-// Logs a message to logcat on Android otherwise to stderr. If the severity is FATAL it also causes
-// an abort. For example: LOG(FATAL) << "We didn't expect to reach here";
-#define LOG(severity) ::art::LogMessage(__FILE__, __LINE__, severity, -1).stream()
-
-// A variant of LOG that also logs the current errno value. To be used when library calls fail.
-#define PLOG(severity) ::art::LogMessage(__FILE__, __LINE__, severity, errno).stream()
+class LogHelper {
+ public:
+ // A logging helper for logging a single line. Can be used with little stack.
+ static void LogLineLowStack(const char* file,
+ unsigned int line,
+ android::base::LogSeverity severity,
+ const char* msg);
-// Marker that code is yet to be implemented.
-#define UNIMPLEMENTED(level) LOG(level) << __PRETTY_FUNCTION__ << " unimplemented "
+ private:
+ DISALLOW_ALLOCATION();
+ DISALLOW_COPY_AND_ASSIGN(LogHelper);
+};
// Is verbose logging enabled for the given module? Where the module is defined in LogVerbosity.
#define VLOG_IS_ON(module) UNLIKELY(::art::gLogVerbosity.module)
// Variant of LOG that logs when verbose logging is enabled for a module. For example,
// VLOG(jni) << "A JNI operation was performed";
-#define VLOG(module) \
- if (VLOG_IS_ON(module)) \
- ::art::LogMessage(__FILE__, __LINE__, INFO, -1).stream()
+#define VLOG(module) if (VLOG_IS_ON(module)) LOG(INFO)
// Return the stream associated with logging for the given module.
-#define VLOG_STREAM(module) ::art::LogMessage(__FILE__, __LINE__, INFO, -1).stream()
-
-// Check whether condition x holds and LOG(FATAL) if not. The value of the expression x is only
-// evaluated once. Extra logging can be appended using << after. For example,
-// CHECK(false == true) results in a log message of "Check failed: false == true".
-#define CHECK(x) \
- if (UNLIKELY(!(x))) \
- ::art::LogMessage(__FILE__, __LINE__, ::art::FATAL, -1).stream() \
- << "Check failed: " #x << " "
-
-// Helper for CHECK_xx(x,y) macros.
-#define CHECK_OP(LHS, RHS, OP) \
- for (auto _values = ::art::MakeEagerEvaluator(LHS, RHS); \
- UNLIKELY(!(_values.lhs OP _values.rhs)); /* empty */) \
- ::art::LogMessage(__FILE__, __LINE__, ::art::FATAL, -1).stream() \
- << "Check failed: " << #LHS << " " << #OP << " " << #RHS \
- << " (" #LHS "=" << _values.lhs << ", " #RHS "=" << _values.rhs << ") "
-
-
-// Check whether a condition holds between x and y, LOG(FATAL) if not. The value of the expressions
-// x and y is evaluated once. Extra logging can be appended using << after. For example,
-// CHECK_NE(0 == 1, false) results in "Check failed: false != false (0==1=false, false=false) ".
-#define CHECK_EQ(x, y) CHECK_OP(x, y, ==)
-#define CHECK_NE(x, y) CHECK_OP(x, y, !=)
-#define CHECK_LE(x, y) CHECK_OP(x, y, <=)
-#define CHECK_LT(x, y) CHECK_OP(x, y, <)
-#define CHECK_GE(x, y) CHECK_OP(x, y, >=)
-#define CHECK_GT(x, y) CHECK_OP(x, y, >)
-
-// Helper for CHECK_STRxx(s1,s2) macros.
-#define CHECK_STROP(s1, s2, sense) \
- if (UNLIKELY((strcmp(s1, s2) == 0) != (sense))) \
- LOG(::art::FATAL) << "Check failed: " \
- << "\"" << (s1) << "\"" \
- << ((sense) ? " == " : " != ") \
- << "\"" << (s2) << "\""
-
-// Check for string (const char*) equality between s1 and s2, LOG(FATAL) if not.
-#define CHECK_STREQ(s1, s2) CHECK_STROP(s1, s2, true)
-#define CHECK_STRNE(s1, s2) CHECK_STROP(s1, s2, false)
-
-// Perform the pthread function call(args), LOG(FATAL) on error.
-#define CHECK_PTHREAD_CALL(call, args, what) \
- do { \
- int rc = call args; \
- if (rc != 0) { \
- errno = rc; \
- PLOG(::art::FATAL) << # call << " failed for " << (what); \
- } \
- } while (false)
-
-
-// DCHECKs are debug variants of CHECKs only enabled in debug builds. Generally CHECK should be
-// used unless profiling identifies a CHECK as being in performance critical code.
-#if defined(NDEBUG)
-static constexpr bool kEnableDChecks = false;
-#else
-static constexpr bool kEnableDChecks = true;
-#endif
-
-#define DCHECK(x) if (::art::kEnableDChecks) CHECK(x)
-#define DCHECK_EQ(x, y) if (::art::kEnableDChecks) CHECK_EQ(x, y)
-#define DCHECK_NE(x, y) if (::art::kEnableDChecks) CHECK_NE(x, y)
-#define DCHECK_LE(x, y) if (::art::kEnableDChecks) CHECK_LE(x, y)
-#define DCHECK_LT(x, y) if (::art::kEnableDChecks) CHECK_LT(x, y)
-#define DCHECK_GE(x, y) if (::art::kEnableDChecks) CHECK_GE(x, y)
-#define DCHECK_GT(x, y) if (::art::kEnableDChecks) CHECK_GT(x, y)
-#define DCHECK_STREQ(s1, s2) if (::art::kEnableDChecks) CHECK_STREQ(s1, s2)
-#define DCHECK_STRNE(s1, s2) if (::art::kEnableDChecks) CHECK_STRNE(s1, s2)
-
-// Temporary class created to evaluate the LHS and RHS, used with MakeEagerEvaluator to infer the
-// types of LHS and RHS.
-template <typename LHS, typename RHS>
-struct EagerEvaluator {
- constexpr EagerEvaluator(LHS l, RHS r) : lhs(l), rhs(r) { }
- LHS lhs;
- RHS rhs;
-};
-
-// Helper function for CHECK_xx.
-template <typename LHS, typename RHS>
-constexpr EagerEvaluator<LHS, RHS> MakeEagerEvaluator(LHS lhs, RHS rhs) {
- return EagerEvaluator<LHS, RHS>(lhs, rhs);
-}
-
-// Explicitly instantiate EagerEvalue for pointers so that char*s aren't treated as strings. To
-// compare strings use CHECK_STREQ and CHECK_STRNE. We rely on signed/unsigned warnings to
-// protect you against combinations not explicitly listed below.
-#define EAGER_PTR_EVALUATOR(T1, T2) \
- template <> struct EagerEvaluator<T1, T2> { \
- EagerEvaluator(T1 l, T2 r) \
- : lhs(reinterpret_cast<const void*>(l)), \
- rhs(reinterpret_cast<const void*>(r)) { } \
- const void* lhs; \
- const void* rhs; \
- }
-EAGER_PTR_EVALUATOR(const char*, const char*);
-EAGER_PTR_EVALUATOR(const char*, char*);
-EAGER_PTR_EVALUATOR(char*, const char*);
-EAGER_PTR_EVALUATOR(char*, char*);
-EAGER_PTR_EVALUATOR(const unsigned char*, const unsigned char*);
-EAGER_PTR_EVALUATOR(const unsigned char*, unsigned char*);
-EAGER_PTR_EVALUATOR(unsigned char*, const unsigned char*);
-EAGER_PTR_EVALUATOR(unsigned char*, unsigned char*);
-EAGER_PTR_EVALUATOR(const signed char*, const signed char*);
-EAGER_PTR_EVALUATOR(const signed char*, signed char*);
-EAGER_PTR_EVALUATOR(signed char*, const signed char*);
-EAGER_PTR_EVALUATOR(signed char*, signed char*);
-
-// Data for the log message, not stored in LogMessage to avoid increasing the stack size.
-class LogMessageData;
-
-// A LogMessage is a temporarily scoped object used by LOG and the unlikely part of a CHECK. The
-// destructor will abort if the severity is FATAL.
-class LogMessage {
- public:
- LogMessage(const char* file, unsigned int line, LogSeverity severity, int error);
-
- ~LogMessage(); // TODO: enable REQUIRES(!Locks::logging_lock_).
-
- // Returns the stream associated with the message, the LogMessage performs output when it goes
- // out of scope.
- std::ostream& stream();
-
- // The routine that performs the actual logging.
- static void LogLine(const char* file, unsigned int line, LogSeverity severity, const char* msg);
-
- // A variant of the above for use with little stack.
- static void LogLineLowStack(const char* file, unsigned int line, LogSeverity severity,
- const char* msg);
-
- private:
- const std::unique_ptr<LogMessageData> data_;
-
- DISALLOW_COPY_AND_ASSIGN(LogMessage);
-};
-
-// Allows to temporarily change the minimum severity level for logging.
-class ScopedLogSeverity {
- public:
- explicit ScopedLogSeverity(LogSeverity level);
- ~ScopedLogSeverity();
-
- private:
- LogSeverity old_;
-};
+#define VLOG_STREAM(module) LOG_STREAM(INFO)
} // namespace art
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