[PATCH] D25107: Expose PDBFileBuilder::finalizeMsfLayout.

[Rui Ueyama via llvm-commits]

ruiu created this revision.
ruiu added a reviewer: zturner.
ruiu added a subscriber: llvm-commits.

In many cases, clients of PDBFileBuilder generally needs to know
the exact file size before calling PDBFileBuilder::commit() so that
they can create output files with the exact sizes (this is needed
if you are using mmap'ed IO.)

This patch exposes finalizeMsfLayout and defines getMsf which
returns a MSFLayout object. Because MSFLayout object contains a
superblock which in turn contains the number of blocks, we can
compute the total file size by calling these functions.


https://reviews.llvm.org/D25107

Files:
  include/llvm/DebugInfo/MSF/MSFCommon.h
  include/llvm/DebugInfo/PDB/Raw/PDBFileBuilder.h
  lib/DebugInfo/PDB/Raw/PDBFileBuilder.cpp

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