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Jez Ng 03f43b3aca [lld] Initial commit for new Mach-O backend 
Summary:
This is the first commit for the new Mach-O backend, designed to roughly
follow the architecture of the existing ELF and COFF backends, and
building off work that @ruiu and @pcc did in a branch a while back. Note
that this is a very stripped-down commit with the bare minimum of
functionality for ease of review. We'll be following up with more diffs
soon.

Currently, we're able to generate a simple "Hello World!" executable
that runs on OS X Catalina (and possibly on earlier OS X versions; I
haven't tested them). (This executable can be obtained by compiling
`test/MachO/relocations.s`.) We're mocking out a few load commands to
achieve this -- for example, we can't load dynamic libraries, but
Catalina requires binaries to be linked against `dyld`, so we hardcode
the emission of a `LC_LOAD_DYLIB` command. Other mocked out load
commands include LC_SYMTAB and LC_DYSYMTAB.

Differential Revision: https://reviews.llvm.org/D75382
2020-03-31 11:58:47 -07:00
..
cmake/modules
COFF [lld][COFF][ELF][WebAssembly] Replace --[no-]threads /threads[:no] with --threads={1,2,...} /threads:{1,2,...} 2020-03-31 08:46:12 -07:00
Common [lld][COFF][ELF][WebAssembly] Replace --[no-]threads /threads[:no] with --threads={1,2,...} /threads:{1,2,...} 2020-03-31 08:46:12 -07:00
docs [lld][COFF][ELF][WebAssembly] Replace --[no-]threads /threads[:no] with --threads={1,2,...} /threads:{1,2,...} 2020-03-31 08:46:12 -07:00
ELF [lld][COFF][ELF][WebAssembly] Replace --[no-]threads /threads[:no] with --threads={1,2,...} /threads:{1,2,...} 2020-03-31 08:46:12 -07:00
include/lld [lld] Initial commit for new Mach-O backend 2020-03-31 11:58:47 -07:00
lib Make llvm::StringRef to std::string conversions explicit. 2020-01-28 23:25:25 +01:00
MachO [lld] Initial commit for new Mach-O backend 2020-03-31 11:58:47 -07:00
MinGW Remove unused Endian.h includes, NFC 2020-03-11 15:45:34 -07:00
test [lld] Initial commit for new Mach-O backend 2020-03-31 11:58:47 -07:00
tools/lld [lld] Initial commit for new Mach-O backend 2020-03-31 11:58:47 -07:00
unittests Make llvm::StringRef to std::string conversions explicit. 2020-01-28 23:25:25 +01:00
utils
wasm [lld][COFF][ELF][WebAssembly] Replace --[no-]threads /threads[:no] with --threads={1,2,...} /threads:{1,2,...} 2020-03-31 08:46:12 -07:00
.clang-format
.clang-tidy [lld] Add .clang-tidy to customize readability-identifier-naming.{Member,Parameter,Variable}Case => camelBack 2020-03-09 08:26:41 -07:00
.gitignore
CMakeLists.txt [lld] Initial commit for new Mach-O backend 2020-03-31 11:58:47 -07:00
CODE_OWNERS.TXT
LICENSE.TXT
README.md

README.md

LLVM Linker (lld)

This directory and its subdirectories contain source code for the LLVM Linker, a modular cross platform linker which is built as part of the LLVM compiler infrastructure project.

lld is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt.

Benchmarking

In order to make sure various developers can evaluate patches over the same tests, we create a collection of self contained programs.

It is hosted at https://s3-us-west-2.amazonaws.com/linker-tests/lld-speed-test.tar.xz

The current sha256 is 10eec685463d5a8bbf08d77f4ca96282161d396c65bd97dc99dbde644a31610f.