diff options
| -rw-r--r-- | llvm/tools/llvm-pdbdump/LLVMOutputStyle.cpp | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/llvm/tools/llvm-pdbdump/LLVMOutputStyle.cpp b/llvm/tools/llvm-pdbdump/LLVMOutputStyle.cpp index 6c39044dbbd..3018a70d4c0 100644 --- a/llvm/tools/llvm-pdbdump/LLVMOutputStyle.cpp +++ b/llvm/tools/llvm-pdbdump/LLVMOutputStyle.cpp @@ -303,14 +303,16 @@ Error LLVMOutputStyle::dumpFreePageMap() { recordKnownUsedPage(PS, File.getBlockMapIndex()); // Stream Table - for (auto DB : File.getDirectoryBlockArray()) { + for (auto DB : File.getDirectoryBlockArray()) recordKnownUsedPage(PS, DB); - } - for (auto &SE : File.getStreamMap()) { - for (auto &S : SE) { + + // Record pages used by streams. Note that pages for stream 0 + // are considered being unused because that's what MSVC tools do. + // Stream 0 doesn't contain actual data, so it makes some sense, + // though it's a bit confusing to us. + for (auto &SE : File.getStreamMap().drop_front(1)) + for (auto &S : SE) recordKnownUsedPage(PS, S); - } - } dumpBitVector("Msf Free Pages", FPM); dumpBitVector("Orphaned Pages", PS.OrphanedPages); |
