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//===-- ProcessPOSIXLog.h -----------------------------------------*- C++
//-*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef liblldb_ProcessPOSIXLog_h_
#define liblldb_ProcessPOSIXLog_h_
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Log.h"
#define POSIX_LOG_VERBOSE (1u << 0)
#define POSIX_LOG_PROCESS (1u << 1)
#define POSIX_LOG_THREAD (1u << 2)
#define POSIX_LOG_PACKETS (1u << 3)
#define POSIX_LOG_MEMORY (1u << 4) // Log memory reads/writes calls
#define POSIX_LOG_MEMORY_DATA_SHORT \
(1u << 5) // Log short memory reads/writes bytes
#define POSIX_LOG_MEMORY_DATA_LONG \
(1u << 6) // Log all memory reads/writes bytes
#define POSIX_LOG_BREAKPOINTS (1u << 7)
#define POSIX_LOG_WATCHPOINTS (1u << 8)
#define POSIX_LOG_STEP (1u << 9)
#define POSIX_LOG_COMM (1u << 10)
#define POSIX_LOG_ASYNC (1u << 11)
#define POSIX_LOG_PTRACE (1u << 12)
#define POSIX_LOG_REGISTERS (1u << 13)
#define POSIX_LOG_ALL (UINT32_MAX)
#define POSIX_LOG_DEFAULT POSIX_LOG_PACKETS
// The size which determines "short memory reads/writes".
#define POSIX_LOG_MEMORY_SHORT_BYTES (4 * sizeof(ptrdiff_t))
class ProcessPOSIXLog {
static int m_nestinglevel;
static const char *m_pluginname;
public:
// ---------------------------------------------------------------------
// Public Static Methods
// ---------------------------------------------------------------------
static void Initialize(lldb_private::ConstString name);
static void RegisterPluginName(const char *pluginName) {
m_pluginname = pluginName;
}
static void RegisterPluginName(lldb_private::ConstString pluginName) {
m_pluginname = pluginName.GetCString();
}
static lldb_private::Log *GetLogIfAllCategoriesSet(uint32_t mask = 0);
static void DisableLog(const char **args,
lldb_private::Stream *feedback_strm);
static lldb_private::Log *EnableLog(lldb::StreamSP &log_stream_sp,
uint32_t log_options, const char **args,
lldb_private::Stream *feedback_strm);
static void ListLogCategories(lldb_private::Stream *strm);
static void LogIf(uint32_t mask, const char *format, ...);
// The following functions can be used to enable the client to limit
// logging to only the top level function calls. This is useful for
// recursive functions. FIXME: not thread safe!
// Example:
// void NestingFunc() {
// LogSP log
// (ProcessPOSIXLog::GetLogIfAllCategoriesSet(POSIX_LOG_ALL));
// if (log)
// {
// ProcessPOSIXLog::IncNestLevel();
// if (ProcessPOSIXLog::AtTopNestLevel())
// log->Print(msg);
// }
// NestingFunc();
// if (log)
// ProcessPOSIXLog::DecNestLevel();
// }
static bool AtTopNestLevel() { return m_nestinglevel == 1; }
static void IncNestLevel() { ++m_nestinglevel; }
static void DecNestLevel() {
--m_nestinglevel;
assert(m_nestinglevel >= 0);
}
};
#endif // liblldb_ProcessPOSIXLog_h_
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