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implement 'use' for rustc #244

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graydon opened this issue Feb 28, 2011 · 3 comments
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implement 'use' for rustc #244

graydon opened this issue Feb 28, 2011 · 3 comments
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@graydon
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graydon commented Feb 28, 2011

Rustc can't 'use' crates yet. In fact it can't even write out crate metadata. It has to learn how.

Tasks here involve:

  • Make up a serial encoding of crate metadata that is efficient to incrementally parse and
    seek around inside of, but also stable and simple enough that we're not likely to break it
    all the time as we hack on rustc.
  • Compose a metadata blob of this sort and write it out as a special .note.rust section via
    LLVM. Not sure exactly what support it has for making up our own section names. Try
    your best.
  • Mangle the symbols inside a given crate using the mangling scheme outlined in this
    mailing list post: https://mail.mozilla.org/pipermail/rust-dev/2010-December/000164.html
  • When you 'use' a crate, scan for the .note.rust section (might need to port the objfile
    sniffer from rustboot, see for example boot/be/elf.ml 'sniff' and friends) and read its
    contents into the compilation-crate namespace. Lazily load additional components of
    the 'use'd crate namespace as references and imports demand.
@pcwalton
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"Not sure exactly what support it has for making up our own section names. Try your best."

LLVM supports this, and the stub code now in the tree does it.

@marijnh
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marijnh commented Mar 15, 2011

Some related design in https://github.com/graydon/rust/wiki/Crate-format-rfc

@pcwalton
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Marking as fixed; this basically works now.

@pcwalton pcwalton reopened this Apr 11, 2011
keeperofdakeys pushed a commit to keeperofdakeys/rust that referenced this issue Dec 12, 2017
@bors
Auto merge of rust-lang#244 - mrhota:basic_locale, r=alexcrichton
dfc1ab5 
Add lconv type, and locale support for UNIX

We have lconv struct, setlocale(), and localeconv(). Constants live
under notbsd for now.
kazcw pushed a commit to kazcw/rust that referenced this issue Oct 23, 2018
@gwenn @alexcrichton
sse2: implements last remaining intrinsics (rust-lang#244)
2c4d880 
* sse2: __m64 related intrinsics

_mm_add_si64
_mm_mul_su32
_mm_sub_si64
_mm_cvtpi32_pd
_mm_set_epi64
_mm_set1_epi64
_mm_setr_epi64

* sse2: _mm_load_sd, _mm_loadh_pd, _mm_loadl_pd

* sse2: _mm_store_sd, _mm_storeh_pd, _mm_storel_pd

* sse2: _mm_shuffle_pd, _mm_move_sd

* sse2: _mm_cast*

_mm_castpd_ps
_mm_castpd_si128
_mm_castps_pd
_mm_castps_si128
_mm_castsi128_pd
_mm_castsi128_ps

* sse2: add some tests

* Try to fix AppVeyor build

* sse2: add more tests

* sse2: fix assert_instr for _mm_shuffle_pd

* Try to fix Travis build

* sse2: try to fix AppVeyor build

* sse2: try to fix AppVeyor build
@venkag venkag mentioned this issue Feb 13, 2019
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@MarcelRaschke MarcelRaschke mentioned this issue Oct 22, 2022
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@snyk-bot snyk-bot mentioned this issue Oct 23, 2022
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@snyk-bot snyk-bot mentioned this issue Mar 2, 2023
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matthiaskrgr pushed a commit to matthiaskrgr/rust that referenced this issue Mar 7, 2023
@antoyo
Merge pull request rust-lang#244 from rust-lang/feature/unwinding
6c5a70d 
Implement unwinding
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@graydon @marijnh @pcwalton