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llvm-project/lld
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Fangrui Song 7c74ce3c68 [ELF] --wrap: don't clear sym->isUsedInRegularObj if real->isUsedInRegularObj; set wrap's initial binding to sym's 
Fix PR49897: if `__real_foo` has the isUsedInRegularObj bit set, we need to
retain `foo` in .symtab, even if `foo` is undefined. The new behavior will match
GNU ld.

Before the patch, we produced an R_X86_64_JUMP_SLOT relocation referencing the
index 0 undefined symbol, which would be erroed by glibc
(see f96ff3c0f8).

While here, fix another bug: if `__wrap_foo` does not exist, its initial binding
should be `foo`'s.
 		2021-04-17 00:29:51 -07:00
..
COFF [COFF] Simplify ICF associated comdat handling 2021-04-14 10:40:16 -07:00
Common [ELF] Simplify isValidCIdentifier. NFC 2021-03-11 09:38:15 -08:00
ELF [ELF] --wrap: don't clear sym->isUsedInRegularObj if real->isUsedInRegularObj; set wrap's initial binding to sym's 2021-04-17 00:29:51 -07:00
MachO [lld-macho] Add separator to error message 2021-04-16 17:01:14 -04:00
MinGW [LLD] [MinGW] Pass the --demangle and --no-demangle options to the COFF linker 2021-01-07 10:02:19 +02:00
cmake/modules lld: Let find_package(LLD) work 2020-05-14 09:59:53 -04:00
docs [ELF][docs] Add line breaks 2021-03-22 16:08:47 +08:00
include/lld [lld] Add missing header guard (NFC) 2021-04-02 11:12:23 +08:00
lib [SystemZ][z/OS][Windows] Add new OF_TextWithCRLF flag and use this flag instead of OF_Text 2021-04-06 07:23:31 -04:00
test [ELF] --wrap: don't clear sym->isUsedInRegularObj if real->isUsedInRegularObj; set wrap's initial binding to sym's 2021-04-17 00:29:51 -07:00
tools/lld [lld-macho] Initial groundwork for -bitcode_bundle 2021-04-16 16:47:14 -04:00
unittests Use INTERFACE_COMPILE_OPTIONS to disable -Wsuggest-override for any target that links to gtest 2020-07-27 08:37:01 -07:00
utils
…
wasm [WebAssembly] Rename WasmLimits::Initial to ::Minimum. NFC. 2021-03-24 09:10:11 +01:00
.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 [test] Add ability to get error messages from CMake for errc substitution 2021-03-15 20:56:08 +01:00
CODE_OWNERS.TXT Add code owners of new MachO port 2020-09-02 19:32:12 -07:00
LICENSE.TXT
…
README.md [doc] Place sha256 in lld/README.md into backticks 2021-01-12 10:19:40 -08:00

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.