Remove wasm legacy abi #133952

bjorn3 · 2024-12-06T09:17:59Z

Closes #122532
Closes #138762
Fixes #71871
Fixes #88152
Fixes #115666
Fixes #129486

rustbot · 2024-12-06T09:18:07Z

rustbot has assigned @cjgillot.
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rustbot · 2024-12-06T09:18:09Z

These commits modify compiler targets.
(See the Target Tier Policy.)

Some changes occurred in compiler/rustc_codegen_gcc

cc @antoyo, @GuillaumeGomez

rustbot · 2024-12-06T09:46:52Z

There are merge commits (commits with multiple parents) in your changes. We have a no merge policy so these commits will need to be removed for this pull request to be merged.

You can start a rebase with the following commands:

$ # rebase
$ git pull --rebase https://github.com/rust-lang/rust.git master
$ git push --force-with-lease

The following commits are merge commits:

f456ebf

daxpedda · 2024-12-16T07:05:10Z

#129630 needs to be reverted or adjusted as well.

bjorn3 · 2024-12-16T11:23:09Z

Removed the section in question.

RalfJung · 2025-01-08T18:27:47Z

compiler/rustc_ty_utils/src/abi.rs

-
-                        match spec_abi {
-                            ExternAbi::Unadjusted => {}
-                            ExternAbi::PtxKernel => {}


Is the PtxKernel exception not needed any more?

To avoid conflicts I based this PR on #133932 which is the PR for making extern "ptx-kernel" have the right abi.

bors · 2025-02-06T00:51:31Z

☔ The latest upstream changes (presumably #136572) made this pull request unmergeable. Please resolve the merge conflicts.

bors · 2025-02-07T17:02:24Z

☔ The latest upstream changes (presumably #136684) made this pull request unmergeable. Please resolve the merge conflicts.

alexcrichton · 2025-06-13T22:04:31Z

Ah ok it's been awhile now, so feel free to r=me with a rebase.

bjorn3 · 2025-06-14T09:58:09Z

@bors r=alexcrichton

bors · 2025-06-14T09:58:12Z

📌 Commit 4d536bd has been approved by alexcrichton

It is now in the queue for this repository.

…lexcrichton Remove wasm legacy abi Closes rust-lang#122532 Closes rust-lang#138762 Fixes rust-lang#71871 rust-lang#88152 Fixes rust-lang#115666 Fixes rust-lang#129486

Rollup of 10 pull requests Successful merges: - #133952 (Remove wasm legacy abi) - #134661 (Reduce precedence of expressions that have an outer attr) - #141769 (Move metadata object generation for dylibs to the linker code ) - #141864 (Handle win32 separator for cygwin paths) - #142347 (Async drop - fix for StorageLive/StorageDead codegen for pinned future) - #142377 (Try unremapping compiler sources) - #142389 (Apply ABI attributes on return types in `rustc_codegen_cranelift`) - #142470 (Add some missing mailmap entries) - #142481 (Add `f16` inline asm support for LoongArch) - #142509 (bump std libc dependency) r? `@ghost` `@rustbot` modify labels: rollup

…lexcrichton Remove wasm legacy abi Closes rust-lang#122532 Closes rust-lang#138762 Fixes rust-lang#71871 rust-lang#88152 Fixes rust-lang#115666 Fixes rust-lang#129486

Rollup of 9 pull requests Successful merges: - #133952 (Remove wasm legacy abi) - #141769 (Move metadata object generation for dylibs to the linker code ) - #141864 (Handle win32 separator for cygwin paths) - #142347 (Async drop - fix for StorageLive/StorageDead codegen for pinned future) - #142377 (Try unremapping compiler sources) - #142389 (Apply ABI attributes on return types in `rustc_codegen_cranelift`) - #142470 (Add some missing mailmap entries) - #142481 (Add `f16` inline asm support for LoongArch) - #142509 (bump std libc dependency) r? `@ghost` `@rustbot` modify labels: rollup

…lexcrichton Remove wasm legacy abi Closes rust-lang#122532 Closes rust-lang#138762 Fixes rust-lang#71871 rust-lang#88152 Fixes rust-lang#115666 Fixes rust-lang#129486

Rollup of 8 pull requests Successful merges: - #133952 (Remove wasm legacy abi) - #141769 (Move metadata object generation for dylibs to the linker code ) - #141864 (Handle win32 separator for cygwin paths) - #142347 (Async drop - fix for StorageLive/StorageDead codegen for pinned future) - #142389 (Apply ABI attributes on return types in `rustc_codegen_cranelift`) - #142470 (Add some missing mailmap entries) - #142481 (Add `f16` inline asm support for LoongArch) - #142509 (bump std libc dependency) r? `@ghost` `@rustbot` modify labels: rollup

…lexcrichton Remove wasm legacy abi Closes rust-lang#122532 Closes rust-lang#138762 Fixes rust-lang#71871 rust-lang#88152 Fixes rust-lang#115666 Fixes rust-lang#129486

Rollup of 9 pull requests Successful merges: - #133952 (Remove wasm legacy abi) - #134661 (Reduce precedence of expressions that have an outer attr) - #141769 (Move metadata object generation for dylibs to the linker code ) - #141864 (Handle win32 separator for cygwin paths) - #141937 (Report never type lints in dependencies) - #142347 (Async drop - fix for StorageLive/StorageDead codegen for pinned future) - #142389 (Apply ABI attributes on return types in `rustc_codegen_cranelift`) - #142470 (Add some missing mailmap entries) - #142481 (Add `f16` inline asm support for LoongArch) r? `@ghost` `@rustbot` modify labels: rollup

Rollup of 10 pull requests Successful merges: - #133952 (Remove wasm legacy abi) - #134661 (Reduce precedence of expressions that have an outer attr) - #141769 (Move metadata object generation for dylibs to the linker code ) - #141937 (Report never type lints in dependencies) - #142347 (Async drop - fix for StorageLive/StorageDead codegen for pinned future) - #142389 (Apply ABI attributes on return types in `rustc_codegen_cranelift`) - #142470 (Add some missing mailmap entries) - #142481 (Add `f16` inline asm support for LoongArch) - #142499 (Remove check run bootstrap) - #142543 (Suggest adding semicolon in user code rather than macro impl details) r? `@ghost` `@rustbot` modify labels: rollup

RalfJung · 2025-06-16T01:57:05Z

compiler/rustc_codegen_ssa/src/mir/naked_asm.rs

-    // FIXME: remove this once the wasm32-unknown-unknown ABI is fixed
-    // please also add `wasm32-unknown-unknown` back in `tests/assembly/wasm32-naked-fn.rs`
-    // basically the commit introducing this comment should be reverted


The comment asks to add the target back in a test file -- which the PR does not seem to do? The test file seems to have been renamed to tests/assembly/naked-functions/wasm32.rs.

Opened #142565

Rollup merge of #133952 - bjorn3:remove_wasm_legacy_abi, r=alexcrichton Remove wasm legacy abi Closes #122532 Closes #138762 Fixes #71871 #88152 Fixes #115666 Fixes #129486

bjorn3 added O-wasm Target: WASM (WebAssembly), http://webassembly.org/ A-ABI Area: Concerning the application binary interface (ABI) labels Dec 6, 2024

rustbot assigned cjgillot Dec 6, 2024

bjorn3 added the S-blocked Status: Blocked on something else such as an RFC or other implementation work. label Dec 6, 2024

rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Dec 6, 2024

rustbot added has-merge-commits PR has merge commits, merge with caution. S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. labels Dec 6, 2024

bjorn3 removed the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Dec 6, 2024

workingjubilee mentioned this pull request Dec 6, 2024

Make the wasm_c_abi future compat warning a hard error #133951

Merged

workingjubilee assigned alexcrichton and workingjubilee and unassigned cjgillot Dec 6, 2024

bjorn3 force-pushed the remove_wasm_legacy_abi branch from 88f79ac to 26c9b6e Compare December 6, 2024 09:46

bjorn3 marked this pull request as draft December 6, 2024 09:48

bjorn3 force-pushed the remove_wasm_legacy_abi branch from 26c9b6e to 16e660d Compare December 6, 2024 13:42

bjorn3 mentioned this pull request Dec 16, 2024

Status of rust+C bindings for wasm targets rustwasm/team#291

Open

RalfJung reviewed Jan 8, 2025

View reviewed changes

bjorn3 mentioned this pull request Jan 17, 2025

support wasm inline assembly in naked_asm! #135648

Merged

bjorn3 force-pushed the remove_wasm_legacy_abi branch from 6970f8d to e4c01de Compare January 26, 2025 14:21

bjorn3 force-pushed the remove_wasm_legacy_abi branch from e4c01de to e91711c Compare February 6, 2025 10:07

bjorn3 removed the has-merge-commits PR has merge commits, merge with caution. label Feb 21, 2025

bjorn3 force-pushed the remove_wasm_legacy_abi branch from e91711c to 106301d Compare February 28, 2025 09:09

bjorn3 added 2 commits June 14, 2025 09:57

Remove all support for wasm's legacy ABI

3e944fa

Remove outdated docs about broken ABI

4d536bd

bjorn3 force-pushed the remove_wasm_legacy_abi branch from f7a9002 to 4d536bd Compare June 14, 2025 09:57

fmease mentioned this pull request Jun 14, 2025

Rollup of 10 pull requests #142522

Closed

matthiaskrgr mentioned this pull request Jun 15, 2025

Rollup of 9 pull requests #142533

Closed

matthiaskrgr mentioned this pull request Jun 15, 2025

Rollup of 8 pull requests #142535

Closed

fmease mentioned this pull request Jun 15, 2025

Rollup of 9 pull requests #142545

Closed

fmease mentioned this pull request Jun 15, 2025

Rollup of 10 pull requests #142550

Merged

RalfJung reviewed Jun 16, 2025

View reviewed changes

bors merged commit d6dc965 into rust-lang:master Jun 16, 2025
10 checks passed

rustbot added this to the 1.89.0 milestone Jun 16, 2025

rust-timer added a commit that referenced this pull request Jun 16, 2025

Unrolled build for #133952

6c0e0a2

Rollup merge of #133952 - bjorn3:remove_wasm_legacy_abi, r=alexcrichton Remove wasm legacy abi Closes #122532 Closes #138762 Fixes #71871 #88152 Fixes #115666 Fixes #129486

bjorn3 deleted the remove_wasm_legacy_abi branch June 16, 2025 08:02

bjorn3 mentioned this pull request Jun 16, 2025

Test naked asm for wasm32-unknown-unknown #142565

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Remove wasm legacy abi #133952

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bjorn3 commented Dec 6, 2024 •

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