[ELF] Reject certain unknown section types (#85173) Unknown section sections may require special linking rules, and rejecting such sections for older linkers may be desired. For example, if we introduce a new section type to replace a control structure (e.g. relocations), it would be nice for older linkers to reject the new section type. GNU ld allows certain unknown section types: * [SHT_LOUSER,SHT_HIUSER] and non-SHF_ALLOC * [SHT_LOOS,SHT_HIOS] and non-SHF_OS_NONCONFORMING but reports errors and stops linking for others (unless --no-warn-mismatch is specified). Port its behavior. For convenience, we additionally allow all [SHT_LOPROC,SHT_HIPROC] types so that we don't have to hard code all known types for each processor. Close https://github.com/llvm/llvm-project/issues/84812
Welcome to the LLVM project!
This repository contains the source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and run-time environments.
The LLVM project has multiple components. The core of the project is itself called “LLVM”. This contains all of the tools, libraries, and header files needed to process intermediate representations and convert them into object files. Tools include an assembler, disassembler, bitcode analyzer, and bitcode optimizer.
C-like languages use the Clang frontend. This component compiles C, C++, Objective-C, and Objective-C++ code into LLVM bitcode -- and from there into object files, using LLVM.
Other components include: the libc++ C++ standard library, the LLD linker, and more.
Consult the Getting Started with LLVM page for information on building and running LLVM.
For information on how to contribute to the LLVM project, please take a look at the Contributing to LLVM guide.
Join the LLVM Discourse forums, Discord chat, LLVM Office Hours or Regular sync-ups.
The LLVM project has adopted a code of conduct for participants to all modes of communication within the project.