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Sean Fertile 1e46d4cec5 Adds support for writing the .bss section for XCOFF object files. 
Adds Wrapper classes for MCSymbol and MCSection into the XCOFF target
object writer. Also adds a class to represent the top-level sections, which we
materialize in the ObjectWriter.

executePostLayoutBinding will map all csects into the appropriate
container depending on its storage mapping class, and map all symbols
into their containing csect. Once all symbols have been processed we
- Assign addresses and symbol table indices.
- Calaculte section sizes.
- Build the section header table.
- Assign the sections raw-pointer value for non-virtual sections.

Since the .bss section is virtual, writing the header table is enough to
add support. Writing of a sections raw data, or of any relocations is
not included in this patch.

Testing is done by dumping the section header table, but it needs to be
extended to include dumping the symbol table once readobj support for
dumping auxiallary entries lands.

Differential Revision: https://reviews.llvm.org/D65159

llvm-svn: 369454
 		2019-08-20 22:03:18 +00:00
clang [analyzer] NFC: Remove the BugTypes set from BugReporter. 2019-08-20 21:41:20 +00:00
clang-tools-extra [clangd] Fix one testcase in XRefsTests. 2019-08-20 14:07:27 +00:00
compiler-rt [AArch64] Speed-up leak and address sanitizers on AArch64 for 48-bit VMA 2019-08-20 20:54:05 +00:00
debuginfo-tests Make nrvo-string test more robust. 2019-06-27 20:38:37 +00:00
libclc Revert "Rename F_{None,Text,Append} to OF_{None,Text,Append}. NFC" 2019-08-05 17:23:23 +00:00
libcxx Fix a couple of unguarded operator, calls in algorithm. Fixes PR#43063. Updated all the heap tests to check this. 2019-08-20 21:31:51 +00:00
libcxxabi Provide a meaningful diagnostic when LLVM_PATH doesn't point to a directory 2019-08-19 23:51:26 +00:00
libunwind [runtimes] Don't depend on libpthread on Android 2019-07-22 20:41:03 +00:00
lld [COFF] Check errorCount before committing the output file 2019-08-20 21:08:14 +00:00
lldb [LLDB][Test] Remove `skipIfWindows` for conditional breakpoint test (NFC) 2019-08-20 21:58:22 +00:00
llgo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
llvm Adds support for writing the .bss section for XCOFF object files. 2019-08-20 22:03:18 +00:00
openmp Force honoring nthreads-var and thread-limit-var inside teams construct on host 2019-08-20 19:39:17 +00:00
parallel-libs Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
polly [Polly] Migrate llvm::make_unique to std::make_unique 2019-08-14 22:28:12 +00:00
pstl [pstl] Allow customizing whether per-TU insulation is provided 2019-08-13 12:49:00 +00:00
.arcconfig Update monorepo .arcconfig with new project callsign. 2019-01-31 14:34:59 +00:00
.clang-format Add .clang-tidy and .clang-format files to the toplevel of the 2019-01-29 16:43:16 +00:00
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitignore Change /build to /build* in top-level .gitignore. 2019-08-02 02:14:08 +00:00
README.md
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README.md

The LLVM Compiler Infrastructure

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.