[PATCH] D19500: Parse and dump PDB DBI Stream Header Information
David Majnemer via llvm-commits
llvm-commits at lists.llvm.org
Mon Apr 25 15:10:49 PDT 2016
majnemer added a subscriber: majnemer.
================
Comment at: lib/DebugInfo/PDB/Raw/PDBDbiStream.cpp:24-31
@@ +23,10 @@
+//};
+static const uint16_t FLAG_INCREMENTAL_MASK = 0x0001;
+static const uint16_t FLAG_INCREMENTAL_SHIFT = 0;
+
+static const uint16_t FLAG_STRIPPED_MASK = 0x0002;
+static const uint16_t FLAG_STRIPPED_SHIFT = 1;
+
+static const uint16_t FLAG_HAS_CTYPES_MASK = 0x0004;
+static const uint16_t FLAG_HAS_CTYPES_SHIFT = 2;
+
----------------
You are in an anonymous namespace, no need for static. Also, these don't seem to correspond to the LLVM naming style.
================
Comment at: lib/DebugInfo/PDB/Raw/PDBDbiStream.cpp:73
@@ +72,3 @@
+PDBDbiStream::PDBDbiStream(PDBFile &File) : Pdb(File), Stream(3, File) {
+ static_assert(sizeof(HeaderInfo) == 64, "Invalid HeaderInfo size!");
+}
----------------
No need to stick this assertion in the constructor, I'd leave it with the type definition.
================
Comment at: lib/DebugInfo/PDB/Raw/PDBDbiStream.cpp:86-87
@@ +85,4 @@
+
+ if (Header->VersionSignature != -1)
+ return std::make_error_code(std::errc::illegal_byte_sequence);
+
----------------
All signatures != -1 are ok?
================
Comment at: lib/DebugInfo/PDB/Raw/PDBDbiStream.cpp:114
@@ +113,3 @@
+bool PDBDbiStream::isIncrementallyLinked() const {
+ return !!((Header->Flags & FLAG_INCREMENTAL_MASK) >> FLAG_INCREMENTAL_SHIFT);
+}
----------------
This is a little confusing to read, why not just write `return (Header->Flags & FLAG_INCREMENTAL_MASK) != 0;`
http://reviews.llvm.org/D19500
More information about the llvm-commits
mailing list