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Revision tags: dev, v36.0.9, v44.0.1, v43.0.2, v36.0.8, v24.0.8, v44.0.0, v43.0.1, v42.0.2, v36.0.7, v24.0.7 |
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a2cc11f3 |
| 30-Mar-2026 |
Philip Craig <[email protected]> |
Update object to 0.39.0 (#12866)
* Update object to 0.39.0
* Add vets for `object`
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Co-authored-by: Alex Crichton <[email protected]>
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Revision tags: v43.0.0, v42.0.1, v41.0.4, v42.0.0, v40.0.4, v36.0.6, v24.0.6, v41.0.3, v41.0.2, v41.0.1, v36.0.5, v40.0.3, v41.0.0, v36.0.4, v39.0.2, v40.0.2, v40.0.1, v40.0.0, v39.0.1, v39.0.0, v38.0.4, v37.0.3, v36.0.3, v24.0.5, v38.0.3, v38.0.2, v38.0.1, v37.0.2, v37.0.1, v37.0.0, v36.0.2, v36.0.1, v36.0.0, v35.0.0, v24.0.4, v33.0.2, v34.0.2, v34.0.1, v33.0.1, v24.0.3, v32.0.1, v34.0.0, v33.0.0, v32.0.0 |
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452086fb |
| 20-Mar-2025 |
Alex Crichton <[email protected]> |
Store stack maps in an ELF section (#10404)
* Store stack maps in an ELF section
This commit moves the storage of stack maps from being embedded within
serde-encoded information to instead being st
Store stack maps in an ELF section (#10404)
* Store stack maps in an ELF section
This commit moves the storage of stack maps from being embedded within
serde-encoded information to instead being stored in a separate ELF
section in the final executable. The motivation for this is to make this
more easily debuggable with a `wasmtime objdump` command in the future
but this additionally should have the nice side effect of making
non-stack-maps modules have smaller encoded information (no need to
encode an empty list) and additionally make stack-maps-using-modules
faster to decode (no serde decoding, it's already "decoded").
This implements a scheme similar to the address map section where
there's a "builder" for the section and then a separate half to decode
the section. The same basic encoding, a bit map, is used. This is likely
going to make accessing stack maps slightly slower, but if that's an
issue we can tweak the representation and align things and/or use
`usize` or such.
* Update crates/environ/src/compile/stack_maps.rs
Co-authored-by: Andrew Brown <[email protected]>
* Review comments
* More review comments
* Fix MIRI test by enabling `unaligned` object feature
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Co-authored-by: Andrew Brown <[email protected]>
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