mgorny updated this revision to Diff 197325.
mgorny retitled this revision from "[lldb] [Process/NetBSD] Fix handling EOF in
PT_IO when reading memory" to "[lldb] [Process/NetBSD] Fix handling piod_len
when reading memory".
mgorny edited the summary of this revision.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D61310/new/
https://reviews.llvm.org/D61310
Files:
lldb/source/Plugins/Process/NetBSD/NativeProcessNetBSD.cpp
Index: lldb/source/Plugins/Process/NetBSD/NativeProcessNetBSD.cpp
===================================================================
--- lldb/source/Plugins/Process/NetBSD/NativeProcessNetBSD.cpp
+++ lldb/source/Plugins/Process/NetBSD/NativeProcessNetBSD.cpp
@@ -695,10 +695,10 @@
io.piod_addr = dst + bytes_read;
Status error = NativeProcessNetBSD::PtraceWrapper(PT_IO, GetID(), &io);
- if (error.Fail())
+ if (error.Fail() || io.piod_len == 0)
return error;
- bytes_read = io.piod_len;
+ bytes_read += io.piod_len;
io.piod_len = size - bytes_read;
} while (bytes_read < size);
Index: lldb/source/Plugins/Process/NetBSD/NativeProcessNetBSD.cpp
===================================================================
--- lldb/source/Plugins/Process/NetBSD/NativeProcessNetBSD.cpp
+++ lldb/source/Plugins/Process/NetBSD/NativeProcessNetBSD.cpp
@@ -695,10 +695,10 @@
io.piod_addr = dst + bytes_read;
Status error = NativeProcessNetBSD::PtraceWrapper(PT_IO, GetID(), &io);
- if (error.Fail())
+ if (error.Fail() || io.piod_len == 0)
return error;
- bytes_read = io.piod_len;
+ bytes_read += io.piod_len;
io.piod_len = size - bytes_read;
} while (bytes_read < size);
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