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The FPM is split at regular intervals across the MSF file, as the MS code suggests. It turns out that the value of the interval is precisely the block size. If the block size is 4096, then there are two Fpm pages every 4096 blocks. So here we teach the PDBFile class to parse a split FPM, and also add more options when dumping the FPM to display some additional information such as orphaned pages (pages which the FPM says are allocated, but which nothing appears to use), use after free pages (pages which the FPM says are not allocated, but which are referenced by a stream), and multiple use pages (pages which the FPM says are allocated but are used more than once). Reviewed By: ruiu Differential Revision: https://reviews.llvm.org/D23022 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277388 91177308-0d34-0410-b5e6-96231b3b80d8
Low Level Virtual Machine (LLVM) ================================ This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. Please see the documentation provided in docs/ for further assistance with LLVM, and in particular docs/GettingStarted.rst for getting started with LLVM and docs/README.txt for an overview of LLVM's documentation setup. If you are writing a package for LLVM, see docs/Packaging.rst for our suggestions.