54418c5a35
Be less clever when writing the indirect symbols in LC_DYSYMTAB: lld used to make point __stubs and __la_symbol_ptr point at the same bytes in the indirect symbol table in the __LINKEDIT segment. That confused strip, so write the same bytes twice and make __stubs and __la_symbol_ptr point at one copy each, so that they don't share data. This unconfuses strip, and seems to be what ld64 does too, so hopefully tools are generally more used to this. This makes the output binaries a bit larger, but not much: 4 bytes for roughly each called function from a dylib and each weak function. Chromium Framewoork grows by 6536 bytes, clang-format by a few hundred. With this, `strip -x Chromium\ Framework` works (244 MB before stripping to 171 MB after stripping, compared to 236 MB=>164 MB with ld64). Running strip without `-x` produces the same error message now for lld-linked Chromium Framework as for when using ld64 as a linker. `strip clang-format` also works now but didn't previously. Fixes PR50657. Differential Revision: https://reviews.llvm.org/D104081 |
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| .. | ||
| COFF | ||
| Common | ||
| ELF | ||
| MachO | ||
| MinGW | ||
| cmake/modules | ||
| docs | ||
| include/lld | ||
| lib | ||
| test | ||
| tools/lld | ||
| unittests | ||
| utils | ||
| wasm | ||
| .clang-format | ||
| .clang-tidy | ||
| .gitignore | ||
| CMakeLists.txt | ||
| 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.