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e5b76892cc
rust/compiler/rustc_codegen_ssa
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quininer e5b76892cc Add emulated TLS support 
Currently LLVM uses emutls by default
for some targets (such as android, openbsd),
but rust does not use it, because `has_thread_local` is false.

This commit has some changes to allow users to enable emutls:

1. add `-Zhas-thread-local` flag to specify
    that std uses `#[thread_local]` instead of pthread key.
2. when using emutls, decorate symbol names
    to find thread local symbol correctly.
3. change `-Zforce-emulated-tls` to `-Ztls-model=emulated`
    to explicitly specify whether to generate emutls.
2023-12-07 00:21:32 +08:00
..
src Add emulated TLS support 2023-12-07 00:21:32 +08:00
Cargo.toml jobserver: check file descriptors 2023-11-29 18:00:03 +03:00
messages.ftl Remove cgu_reuse_tracker from Session 2023-10-09 18:39:41 +00:00
README.md mv compiler to compiler/ 2020-08-30 18:45:07 +03:00

README.md

Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.