1 files changed, 35 insertions, 1 deletions
diff --git a/lldb/source/Core/DataBufferMemoryMap.cpp b/lldb/source/Core/DataBufferMemoryMap.cpp
index 0a94f57e40a..2b85ef49549 100644
--- a/lldb/source/Core/DataBufferMemoryMap.cpp
+++ b/lldb/source/Core/DataBufferMemoryMap.cpp
@@ -19,7 +19,10 @@
 #include "lldb/Host/File.h"
 #include "lldb/Host/FileSpec.h"
 #include "lldb/Host/Host.h"
+#include "lldb/Core/Log.h"
+#include "lldb/lldb-private-log.h"
 
+using namespace lldb;
 using namespace lldb_private;
 
 //----------------------------------------------------------------------
@@ -80,6 +83,9 @@ DataBufferMemoryMap::Clear()
 {
     if (m_mmap_addr != NULL)
     {
+        LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_MMAP));
+        if (log)
+            log->Printf("DataBufferMemoryMap::Clear() m_mmap_addr = %p, m_mmap_size = %zu", m_mmap_addr, m_mmap_size);
         ::munmap((void *)m_mmap_addr, m_mmap_size);
         m_mmap_addr = NULL;
         m_mmap_size = 0;
@@ -104,6 +110,18 @@ DataBufferMemoryMap::MemoryMapFromFileSpec (const FileSpec* filespec,
 {
     if (filespec != NULL)
     {
+        LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_MMAP));
+        if (log)
+        {
+            log->Printf("DataBufferMemoryMap::MemoryMapFromFileSpec(file=\"%s/%s\", offset=0x%" PRIx64 ", length=0x%zx, writeable=%i",
+                        filespec->GetDirectory().GetCString(),
+                        filespec->GetFilename().GetCString(),
+                        offset,
+                        length,
+                        writeable);
+        }
+        if (length > 0x20000000)
+            puts("remove this line");
         char path[PATH_MAX];
         if (filespec->GetPath(path, sizeof(path)))
         {
@@ -148,6 +166,16 @@ DataBufferMemoryMap::MemoryMapFromFileDescriptor (int fd,
     Clear();
     if (fd >= 0)
     {
+        LogSP log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_MMAP|LIBLLDB_LOG_VERBOSE));
+        if (log)
+        {
+            log->Printf("DataBufferMemoryMap::MemoryMapFromFileSpec(fd=%i, offset=0x%" PRIx64 ", length=0x%zx, writeable=%i, fd_is_file=%i)",
+                        fd,
+                        offset,
+                        length,
+                        writeable,
+                        fd_is_file);
+        }
         struct stat stat;
         if (::fstat(fd, &stat) == 0)
         {
@@ -175,10 +203,10 @@ DataBufferMemoryMap::MemoryMapFromFileDescriptor (int fd,
                         flags |= MAP_FILE;
 
                     m_mmap_addr = (uint8_t *)::mmap(NULL, length, prot, flags, fd, offset);
+                    Error error;
 
                     if (m_mmap_addr == (void*)-1)
                     {
-                        Error error;
                         error.SetErrorToErrno ();
                         if (error.GetError() == EINVAL)
                         {
@@ -219,6 +247,12 @@ DataBufferMemoryMap::MemoryMapFromFileDescriptor (int fd,
                         m_data = m_mmap_addr;
                         m_size = length;
                     }
+                    
+                    if (log)
+                    {
+                        log->Printf("DataBufferMemoryMap::MemoryMapFromFileSpec() m_mmap_addr = %p, m_mmap_size = %zu, error = %s",
+                                    m_mmap_addr, m_mmap_size, error.AsCString());
+                    }
                 }
             }
         }