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Nick Kledzik 8fc67fba01 [mach-o] Support re-exported dylibs 
In general two-level namespace means each program records exactly which dylib
each undefined (imported) symbol comes from.  But, sometimes the implementor
wants to hide the implementation dylib.  For instance libSytem.dylib is the base
dylib all Darwin programs must link with.  A few years ago it was split up
into two dozen dylibs by all are hidden behind libSystem.dylib which re-exports
each sub-dylib.  All clients still think libSystem.dylib is the implementor.

To support this, the linker must load "indirect" dylibs and not just the
"direct" dylibs specified on the command line.  This is done in the
createImplicitFiles() method after all command line specified files are
loaded.  Since an indirect dylib may have already been loaded as a direct dylib
(or indirectly via a previous direct dylib), the MachOLinkingContext keeps
a list of all loaded dylibs.

With this change hello world can now be linked against the real OS or SDK.

llvm-svn: 215605
 		2014-08-13 23:55:41 +00:00
..
cmake/modules
…
docs [AArch64] Initial ELF/AArch64 Support 2014-08-13 13:16:38 +00:00
include [mach-o] Support re-exported dylibs 2014-08-13 23:55:41 +00:00
lib [mach-o] Support re-exported dylibs 2014-08-13 23:55:41 +00:00
test [mach-o] Support re-exported dylibs 2014-08-13 23:55:41 +00:00
tools [AArch64] Initial ELF/AArch64 Support 2014-08-13 13:16:38 +00:00
unittests [AArch64] Initial ELF/AArch64 Support 2014-08-13 13:16:38 +00:00
utils Update for llvm api change. 2014-07-06 17:43:22 +00:00
.arcconfig Update Phabricator server. 2014-04-07 04:52:24 +00:00
.clang-format Remove redundant "Standard: Cpp11" tag. The LLVM style has used the 2014-07-04 12:08:03 +00:00
.gitignore Update .gitignore to ignore hidden MacOSX Finder droppings 2014-07-16 21:01:17 +00:00
CMakeLists.txt Add support for building Sphinx documentation when being built inside LLVM source tree and using CMake. 2014-04-18 21:59:05 +00:00
LICENSE.TXT Update the copyright credits -- Happy new year 2014! 2014-01-01 08:27:31 +00:00
Makefile Initial set of Makefiles 2014-06-04 09:54:07 +00:00
README.md
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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.