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path: root/src/librustc_codegen_ssa/back/linker.rs
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2019-02-25librustc_codegen_ssa: deny(elided_lifetimes_in_paths)Mazdak Farrokhzad-2/+2
2019-02-13Rollup merge of #58057 - michaelwoerister:stabilize-xlto, r=alexcrichtonMazdak Farrokhzad-14/+14
Stabilize linker-plugin based LTO (aka cross-language LTO) This PR stabilizes [linker plugin based LTO](https://github.com/rust-lang/rust/issues/49879), also known as "cross-language LTO" because it allows for doing inlining and other optimizations across language boundaries in mixed Rust/C/C++ projects. As described in the tracking issue, it works by making `rustc` emit LLVM bitcode instead of machine code, the same as `clang` does. A linker with the proper plugin (like LLD) can then run (Thin)LTO across all modules. The feature has been implemented over a number of pull requests and there are various [codegen](https://github.com/rust-lang/rust/blob/master/src/test/codegen/no-dllimport-w-cross-lang-lto.rs) and [run](https://github.com/rust-lang/rust/tree/master/src/test/run-make-fulldeps/cross-lang-lto-clang)-[make](https://github.com/rust-lang/rust/tree/master/src/test/run-make-fulldeps/cross-lang-lto-upstream-rlibs) [tests](https://github.com/rust-lang/rust/tree/master/src/test/run-make-fulldeps/cross-lang-lto) that make sure that it keeps working. It also works for building big projects like [Firefox](https://treeherder.mozilla.org/#/jobs?repo=try&revision=2ce2d5ddcea6fbff790503eac406954e469b2f5d). The PR makes the feature available under the `-C linker-plugin-lto` flag. As discussed in the tracking issue it is not cross-language specific and also not LLD specific. `-C linker-plugin-lto` is descriptive of what it does. If someone has a better name, let me know `:)`
2019-02-12Fix some rebasing fallout regarding xLTO.Michael Woerister-1/+1
2019-02-12Stabilize linker-plugin based LTO.Michael Woerister-13/+13
2019-02-10rustc: doc commentsAlexander Regueiro-2/+2
2019-01-29Provide PTXLinker with fallback to internal `target-cpu`Denys Zariaiev-0/+6
2019-01-28Adjust PTXLinker LTO logic and CLIDenys Zariaiev-9/+8
2019-01-27Create `nvptx64-nvidia-cuda` target specificationDenys Zariaiev-0/+125
2019-01-23Don't export table by default in wasmSergey Pepyakin-3/+0
2019-01-04rustc: Place wasm linker args first instead of lastAlex Crichton-60/+62
This ensures that arguments passed via `-C link-arg` can override the first ones on the command line, for example allowing configuring of the stack size.
2018-12-25Remove licensesMark Rousskov-10/+0
2018-12-12Remove `Session::sysroot()`.Nicholas Nethercote-2/+1
Instead of maybe storing its own sysroot and maybe deferring to the one in `Session::opts`, just clone the latter when necessary so one is always directly available. This removes the need for the getter.
2018-12-07Various minor/cosmetic improvements to codeAlexander Regueiro-1/+1
2018-11-25Pass `--export-dynamic` to LLD for wasmAlex Crichton-0/+6
This should handle recent symbol visibility changes happening, although we'll likely want to tweak this in the future!
2018-11-25wasm: Pass `--no-demangle` to LLDAlex Crichton-0/+5
Our mangling scheme is not C++'s, so tell LLD to not demangle anything so we can handle Rust-specific demangling ourselves.
2018-11-19Add `override_export_symbols` option to Rust target specificationJethro Beekman-0/+4
2018-11-16Separating the back folder between backend-agnostic and LLVM-specific codeDenis Merigoux-0/+1079
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