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George Rimar 999d1ce517 [llvm-mc] - Allow to set custom flags for debug sections. 
I am experimenting with a single split dwarf (.dwo sections in .o files).
I want to make linker to ignore .dwo sections in .o, for that I am trying to add
SHF_EXCLUDE flag ("E") for them in my asm sample.

I found that currently, it is impossible to add any flag for debug sections using llvm-mc.

That happens because we have a set of predefined unique sections created early with default flags:
https://github.com/llvm-mirror/llvm/blob/master/lib/MC/MCObjectFileInfo.cpp#L391

This patch allows a user to add any flags he wants.

I had to edit TargetLoweringObjectFileImpl.cpp to set MetaData type for debug sections.
Their kind was Data by default (so they were allocatable) and so after changes introduced by
this patch the SHF_ALLOC flag was applied for them, what does not make sense for debug sections.
One of OrcJITTests tests failed because of that.

Differential revision: https://reviews.llvm.org/D51361

llvm-svn: 340904
 		2018-08-29 08:42:02 +00:00
clang Start reserving x18 by default on Android targets. 2018-08-29 01:38:47 +00:00
clang-tools-extra [clangd] Switch to Dex by default for the static index 2018-08-28 14:55:05 +00:00
compiler-rt [sanitizer] fix a test 2018-08-28 23:50:59 +00:00
debuginfo-tests Revert "(Retry) Add a basic integration test for C++ smart pointers" 2018-08-20 19:53:33 +00:00
libclc amdgcn: Use __constant AS for amdgcn builtins. 2018-08-03 15:14:08 +00:00
libcxx Use addressof instead of operator& in make_shared. Fixes PR38729. As a drive-by, make the same change in raw_storage_iterator (twice). 2018-08-28 13:29:30 +00:00
libcxxabi Port my recent changes from LLVM copy of the demangler: 2018-08-24 23:30:26 +00:00
libunwind NFC: Test commit access 2018-08-16 16:55:07 +00:00
lld Always add a .note.GNU-stack section if -r. 2018-08-29 07:27:09 +00:00
lldb [PDB] Resolve a symbol context block info correctly 2018-08-29 07:26:11 +00:00
llgo Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
llvm [llvm-mc] - Allow to set custom flags for debug sections. 2018-08-29 08:42:02 +00:00
openmp [OpenMP][Fix] Conditional compilation leaves variables unused 2018-08-27 19:54:26 +00:00
parallel-libs Update copyright year to 2018. 2018-06-18 12:22:17 +00:00
polly [IR] Replace `isa<TerminatorInst>` with `isTerminator()`. 2018-08-26 09:51:22 +00:00
README.md
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README.md

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.