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| author | Johnny Chen <johnny.chen@apple.com> | 2011-10-18 18:09:30 +0000 |
|---|---|---|
| committer | Johnny Chen <johnny.chen@apple.com> | 2011-10-18 18:09:30 +0000 |
| commit | 0d5f2d425aef5bc593c81be4d7573f3c19e050d3 (patch) | |
| tree | ad2e0e1bd007a0afa5f6b08db6c98c5a331a9232 /lldb/source/Plugins/Process/Linux/ProcessLinuxLog.h | |
| parent | d1bc6da6575160887cd7e8e4b82016bc555ed792 (diff) | |
| download | bcm5719-llvm-0d5f2d425aef5bc593c81be4d7573f3c19e050d3.tar.gz bcm5719-llvm-0d5f2d425aef5bc593c81be4d7573f3c19e050d3.zip | |
This patch fixes debugging of single threaded apps on Linux.
It also adds some asserts and additional logging support.
from dawn@burble.org
llvm-svn: 142384
Diffstat (limited to 'lldb/source/Plugins/Process/Linux/ProcessLinuxLog.h')
| -rw-r--r-- | lldb/source/Plugins/Process/Linux/ProcessLinuxLog.h | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/lldb/source/Plugins/Process/Linux/ProcessLinuxLog.h b/lldb/source/Plugins/Process/Linux/ProcessLinuxLog.h index e4e178455d8..0553df6d1e4 100644 --- a/lldb/source/Plugins/Process/Linux/ProcessLinuxLog.h +++ b/lldb/source/Plugins/Process/Linux/ProcessLinuxLog.h @@ -29,11 +29,18 @@ #define LINUX_LOG_STEP (1u << 9) #define LINUX_LOG_COMM (1u << 10) #define LINUX_LOG_ASYNC (1u << 11) +#define LINUX_LOG_PTRACE (1u << 12) +#define LINUX_LOG_REGISTERS (1u << 13) #define LINUX_LOG_ALL (UINT32_MAX) #define LINUX_LOG_DEFAULT LINUX_LOG_PACKETS +// The size which determines "short memory reads/writes". +#define LINUX_LOG_MEMORY_SHORT_BYTES (4 * sizeof(ptrdiff_t)) + class ProcessLinuxLog { + static int m_nestinglevel; + public: static lldb::LogSP GetLogIfAllCategoriesSet(uint32_t mask = 0); @@ -42,13 +49,50 @@ public: DisableLog (lldb_private::Args &args, lldb_private::Stream *feedback_strm); static lldb::LogSP - EnableLog (lldb::StreamSP &log_stream_sp, uint32_t log_options, lldb_private::Args &args, lldb_private::Stream *feedback_strm); + EnableLog (lldb::StreamSP &log_stream_sp, uint32_t log_options, + lldb_private::Args &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 (ProcessLinuxLog::GetLogIfAllCategoriesSet(LINUX_LOG_ALL)); + // if (log) + // { + // ProcessLinuxLog::IncNestLevel(); + // if (ProcessLinuxLog::AtTopNestLevel()) + // log->Print(msg); + // } + // NestingFunc(); + // if (log) + // ProcessLinuxLog::DecNestLevel(); + // } + + static bool + AtTopNestLevel() + { + return m_nestinglevel == 1; + } + + static void + IncNestLevel() + { + ++m_nestinglevel; + } + + static void + DecNestLevel() + { + --m_nestinglevel; + assert(m_nestinglevel >= 0); + } }; #endif // liblldb_ProcessLinuxLog_h_ |
