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//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
//
//----------------------------------------------------------
// Logging.h - Common logging and console output infrastructure
//----------------------------------------------------------
#ifndef _Logging
#define _Logging
//
// General purpose logging macros
//
#define LogMessage(level, ...) \
Logger::LogPrintf(__func__, __FILE__, __LINE__, level, __VA_ARGS__)
#define LogError(...) LogMessage(LOGLEVEL_ERROR, __VA_ARGS__)
#define LogWarning(...) LogMessage(LOGLEVEL_WARNING, __VA_ARGS__)
#define LogMissing(...) LogMessage(LOGLEVEL_MISSING, __VA_ARGS__)
#define LogInfo(...) LogMessage(LOGLEVEL_INFO, __VA_ARGS__)
#define LogVerbose(...) LogMessage(LOGLEVEL_VERBOSE, __VA_ARGS__)
#define LogDebug(...) LogMessage(LOGLEVEL_DEBUG, __VA_ARGS__)
#define LogIssue(issue, msg, ...) \
IssueLogger::LogIssueHelper(__FUNCTION__, __FILE__, __LINE__, issue, msg, __VA_ARGS__)
// Captures the exception message before throwing so we can log it at the point of occurrence
#define LogException(exCode, msg, ...) \
do { \
Logger::LogExceptionMessage(__FUNCTION__, __FILE__, __LINE__, exCode, msg, __VA_ARGS__); \
ThrowException(exCode, msg, __VA_ARGS__); \
} while (0)
// These are specified as flags so subsets of the logging functionality can be enabled/disabled at once
enum LogLevel : UINT32
{
LOGLEVEL_ERROR = 0x00000001, // Internal fatal errors that are non-recoverable
LOGLEVEL_WARNING = 0x00000002, // Internal conditions that are unusual, but not serious
LOGLEVEL_MISSING = 0x00000004, // Failures to due to missing JIT-EE details
LOGLEVEL_ISSUE = 0x00000008, // Issues found with the JIT, e.g. asm diffs, asserts
LOGLEVEL_INFO = 0x00000010, // Notifications/summaries, e.g. 'Loaded 5 Jitted 4 FailedCompile 1'
LOGLEVEL_VERBOSE = 0x00000020, // Status messages, e.g. 'Jit startup took 151.12ms'
LOGLEVEL_DEBUG = 0x00000040 // Detailed output that's only useful for SuperPMI debugging
};
// Preset log level combinations
enum LogLevelMask : UINT32
{
LOGMASK_NONE = 0x00000000,
LOGMASK_DEFAULT = (LOGLEVEL_DEBUG - 1), // Default is essentially "enable everything except debug"
LOGMASK_ALL = 0xffffffff
};
//
// Manages the SuperPMI logging subsystem, including both file-based logging and logging to the console.
//
class Logger
{
private:
static bool s_initialized;
static UINT32 s_logLevel;
static HANDLE s_logFile;
static char *s_logFilePath;
static CRITICAL_SECTION s_critSec;
public:
static void Initialize();
static void Shutdown();
static void OpenLogFile(char *logFilePath);
static void CloseLogFile();
static UINT32 ParseLogLevelString(const char *specifierStr);
static void SetLogLevel(UINT32 logLevelMask) { s_logLevel = logLevelMask; }
static UINT32 GetLogLevel() { return s_logLevel; }
// Return true if all specified log levels are enabled.
static bool IsLogLevelEnabled(UINT32 logLevelMask) { return (logLevelMask & GetLogLevel()) == logLevelMask; }
static void LogPrintf(const char *function, const char *file, int line,
LogLevel level, const char *msg, ...);
static void LogVprintf(const char *function, const char *file, int line,
LogLevel level, va_list argList, const char *msg);
static void LogExceptionMessage(const char *function, const char *file, int line,
DWORD exceptionCode, const char *msg, ...);
};
enum IssueType
{
ISSUE_ASSERT,
ISSUE_ASM_DIFF
};
//
// JIT issues have more granularity than other types of log messages. The logging of issues is abstracted
// from the normal logger to reflect this. It also will enable us to track things specific to JIT issues,
// like statistics on issues that were found during a run.
//
class IssueLogger
{
public:
static void LogIssueHelper(const char *function, const char *file, int line,
IssueType issue, const char *msg, ...);
};
#endif
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