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Initial support for riscv32gc_unknown_linux_gnu #76048

Merged
merged 4 commits into from
Sep 16, 2020
Merged

Initial support for riscv32gc_unknown_linux_gnu #76048

merged 4 commits into from
Sep 16, 2020

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alistair23
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Now that RISC-V 32-bit (RV32) support is in upstream glibc let's add support for userspace Rust.

@rust-highfive
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Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @matthewjasper (or someone else) soon.

If any changes to this PR are deemed necessary, please add them as extra commits. This ensures that the reviewer can see what has changed since they last reviewed the code. Due to the way GitHub handles out-of-date commits, this should also make it reasonably obvious what issues have or haven't been addressed. Large or tricky changes may require several passes of review and changes.

Please see the contribution instructions for more information.

@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Aug 29, 2020
@matthewjasper
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cc @rust-lang/compiler

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bors commented Aug 30, 2020

☔ The latest upstream changes (presumably #74862) made this pull request unmergeable. Please resolve the merge conflicts.

@alistair23
librustc_target: Initial support for riscv32gc_unknown_linux_gnu
a4183f0 
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
@jyn514 jyn514 added O-riscv Target: RISC-V architecture O-x32 x32 ABI labels Sep 15, 2020
@alistair23
librustc_target: Address comments
82bd5a3 
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
jyn514
jyn514 reviewed Sep 15, 2020
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Hello Alistair, good to see you again - this is the second RISCV PR I've reviewed 😄 https://gitlab.com/YottaDB/DB/YDB/-/merge_requests/777 oops, got that one mixed up with https://gitlab.com/YottaDB/DB/YDB/-/merge_requests/835

src/librustc_target/spec/riscv32gc_unknown_linux_gnu.rs Outdated Show resolved Hide resolved
@Dylan-DPC-zz
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@alistair23 if you can resolve the conflicts, we can move this PR forward. Thanks :)

@Dylan-DPC-zz Dylan-DPC-zz added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Sep 15, 2020
@alistair23
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I have fixed the conflicts, I'm seeing some failures though. I'm assuming that's because we aren't using the latest glibc, but I can't figure out how to test that.

@Dylan-DPC-zz Dylan-DPC-zz added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Sep 15, 2020
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Dylan-DPC-zz commented Sep 15, 2020 •
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i've created a zulip thread in case you need a place to ask help debugging the issue

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Amanieu commented Sep 15, 2020 

 error: target `riscv32gc-unknown-linux-gnu` is missing from platform-support.md
If this is a new target, please add it to /checkout/src/doc/rustc/src/platform-support.md.

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@rustbot ping risc-v

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rustbot commented Sep 15, 2020

Hey RISC-V Group! This bug has been identified as a good "RISC-V candidate".
In case it's useful, here are some instructions for tackling these sorts of
bugs. Maybe take a look?
Thanks! <3

cc @denisvasilik @Disasm @lenary @tblah

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Disasm commented Sep 15, 2020

@alistair23 could you add a line describing the target to src/doc/rustc/src/platform-support.md? There is already one for riscv64gc-unknown-linux-gnu which you can take as an example.

@alistair23
doc: platform-support.md: Document port
cbda154 
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
@alistair23
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Done!

@alistair23
doc: platform-support.md: Move to tier 3
e968f86 
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
@jyn514 jyn514 added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Sep 15, 2020
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Amanieu commented Sep 15, 2020

@bors r+

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bors commented Sep 15, 2020

📌 Commit e968f86 has been approved by Amanieu

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Sep 15, 2020
@Dylan-DPC-zz Dylan-DPC-zz mentioned this pull request Sep 15, 2020
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bors added a commit to rust-lang-ci/rust that referenced this pull request Sep 16, 2020
@bors
Auto merge of rust-lang#76771 - Dylan-DPC:rollup-qj4j3ma, r=Dylan-DPC
f4e4485 
Rollup of 10 pull requests

Successful merges:

 - rust-lang#73955 (deny(unsafe_op_in_unsafe_fn) in libstd/process.rs)
 - rust-lang#75146 (Detect overflow in proc_macro_server subspan)
 - rust-lang#75304 (Note when a a move/borrow error is caused by a deref coercion)
 - rust-lang#75749 (Consolidate some duplicate code in the sys modules.)
 - rust-lang#75882 (Use translated variable for test string)
 - rust-lang#75886 (Test that bounds checks are elided for [..index] after .position())
 - rust-lang#76048 (Initial support for riscv32gc_unknown_linux_gnu)
 - rust-lang#76198 (Make some Ordering methods const)
 - rust-lang#76689 (Upgrade to pulldown-cmark 0.8.0)
 - rust-lang#76763 (Update cargo)

Failed merges:

r? `@ghost`
@bors bors merged commit db22898 into rust-lang:master Sep 16, 2020
@rustbot rustbot added this to the 1.48.0 milestone Sep 16, 2020
@davidtwco davidtwco mentioned this pull request Sep 20, 2023
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@alistair23 @rust-highfive @matthewjasper @bors @Dylan-DPC-zz @Amanieu @davidtwco @rustbot @Disasm @jyn514