[Lldb-commits] [lldb] r241333 - Fix qMemoryRegionInfo packet to return current value for address after the last memory region

[Tamas Berghammer]

Author: tberghammer
Date: Fri Jul  3 04:30:19 2015
New Revision: 241333

URL: http://llvm.org/viewvc/llvm-project?rev=241333&view=rev
Log:
Fix qMemoryRegionInfo packet to return current value for address after the last memory region

Differential revision: http://reviews.llvm.org/D10899

Modified:
    lldb/trunk/source/Plugins/Process/Linux/NativeProcessLinux.cpp

Modified: lldb/trunk/source/Plugins/Process/Linux/NativeProcessLinux.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/Linux/NativeProcessLinux.cpp?rev=241333&r1=241332&r2=241333&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/Linux/NativeProcessLinux.cpp (original)
+++ lldb/trunk/source/Plugins/Process/Linux/NativeProcessLinux.cpp Fri Jul  3 04:30:19 2015
@@ -2702,12 +2702,25 @@ NativeProcessLinux::GetMemoryRegionInfo
         // The target memory address comes somewhere after the region we just parsed.
     }
 
-    // If we made it here, we didn't find an entry that contained the given address.
-    error.SetErrorString ("address comes after final region");
-
-    if (log)
-        log->Printf ("NativeProcessLinux::%s failed to find map entry for address 0x%" PRIx64 ": %s", __FUNCTION__, load_addr, error.AsCString ());
-
+    // If we made it here, we didn't find an entry that contained the given address. Return the
+    // load_addr as start and the amount of bytes betwwen load address and the end of the memory as
+    // size.
+    range_info.GetRange ().SetRangeBase (load_addr);
+    switch (m_arch.GetAddressByteSize())
+    {
+        case 4:
+            range_info.GetRange ().SetByteSize (0x100000000ull - load_addr);
+            break;
+        case 8:
+            range_info.GetRange ().SetByteSize (0ull - load_addr);
+            break;
+        default:
+            assert(false && "Unrecognized data byte size");
+            break;
+    }
+    range_info.SetReadable (MemoryRegionInfo::OptionalBool::eNo);
+    range_info.SetWritable (MemoryRegionInfo::OptionalBool::eNo);
+    range_info.SetExecutable (MemoryRegionInfo::OptionalBool::eNo);
     return error;
 }