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