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ObjectFileELF: Add support for compressed sections

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Summary:
We use the llvm decompressor to decompress SHF_COMPRESSED sections. This enables
us to read data from debug info sections, which are sometimes compressed,
particuarly in the split-dwarf case.  This functionality is only available if
llvm is compiled with zlib support.

Reviewers: clayborg, zturner

Subscribers: emaste, mgorny, aprantl, lldb-commits

Differential Revision: https://reviews.llvm.org/D40616

llvm-svn: 320813
This commit is contained in:
Pavel Labath
2017-12-15 14:23:58 +00:00
parent 786431231f
commit e2867bc4a0
10 changed files with 116 additions and 3 deletions
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3
lldb/unittests/ObjectFile/ELF/TestObjectFileELF.cpp
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@@ -10,12 +10,13 @@
#include "Plugins/ObjectFile/ELF/ObjectFileELF.h"
#include "Plugins/SymbolVendor/ELF/SymbolVendorELF.h"
#include "TestingSupport/TestUtilities.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/ModuleSpec.h"
#include "lldb/Core/Section.h"
#include "lldb/Host/HostInfo.h"
#include "TestingSupport/TestUtilities.h"
#include "llvm/ADT/Optional.h"
#include "llvm/Support/Compression.h"
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Program.h"