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(cherry picked from commit 83f3bc42714250633cacadcde8b15da28bf443f0)
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This involves lots of breaking changes. There are two big changes that
force changes. The first is that the bitflag types now don't
automatically implement normal derive traits, so we need to derive them
manually.
Additionally, bitflags now have a hidden inner type by default, which
breaks our custom derives. The bitflags docs recommend using the impl
form in these cases, which I did.
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Because the API for `with_position` improved in 0.11 and I want to use
it.
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- Sort dependencies and features sections.
- Add `tidy` markers to the sorted sections so they stay sorted.
- Remove empty `[lib`] sections.
- Remove "See more keys..." comments.
Excluded files:
- rustc_codegen_{cranelift,gcc}, because they're external.
- rustc_lexer, because it has external use.
- stable_mir, because it has external use.
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This removes a bit of global mutable state
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Bump object and thorin-dwp
Required to fix watchOS breakage.
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object -> 0.31.1
thorin-dwp -> 0.6.0
Required to fix watchOS breakage.
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Fixes #35785 by converting non UTF-8 linker output to Unicode using the OEM code page.
Before:
```text
= note: Non-UTF-8 output: LINK : fatal error LNK1181: cannot open input file \'m\x84rchenhaft.obj\'\r\n
```
After:
```text
= note: LINK : fatal error LNK1181: cannot open input file 'märchenhaft.obj'
```
The difference is more dramatic if using a non-ascii language pack for Visual Studio.
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Support AIX-style archive type
Reading facility of AIX big archive has been supported by `object` since 0.30.0.
Writing facility of AIX big archive has already been supported by `ar_archive_writer`, but we need to bump the version to support the new archive type enum.
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Fluent, with all the icu4x it brings in, takes quite some time to
compile. `fluent_messages!` is only needed in further downstream rustc
crates, but is blocking more upstream crates like `rustc_index`. By
splitting it out, we allow `rustc_macros` to be compiled earlier, which
speeds up `x check compiler` by about 5 seconds (and even more after the
needless dependency on `serde_json` is removed from
`rustc_data_structures`).
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Fix aarch64-unknown-linux-gnu_ilp32 target
This was broken because the synthetic object files produced by rustc were for 64-bit AArch64, which caused link failures when combined with 32-bit ILP32 object files.
This PR updates the object crate to 0.30.1 which adds support for generating ILP32 AArch64 object files.
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This was broken because the synthetic object files produced by rustc
were for 64-bit AArch64, which caused link failures when combined with
32-bit ILP32 object files.
This PR updates the object crate to 0.30.1 which adds support for
generating ILP32 AArch64 object files.
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This allows it to be used by other codegen backends
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Now that we require at least LLVM 13, that codegen backend is always
using its intrinsic `fptosi.sat` and `fptoui.sat` conversions, so it
doesn't need the manual implementation. However, the GCC backend still
needs it, so we can move all of that code down there.
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Upgrade indexmap and thorin-dwp to use hashbrown 0.12
This removes the last dependencies on hashbrown 0.11.
This also upgrades to hashbrown 0.12.3 to fix a double-free (#99372).
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This removes the last dependencies on hashbrown 0.11.
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This pulls in https://github.com/servo/rust-smallvec/pull/282, which
gives some small wins for rustc.
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Session object: Set OS/ABI
Closes https://github.com/rust-lang/rust/issues/97535.
This depends on
* https://github.com/gimli-rs/object/pull/438
This adapts LLVM's behavior of [`MCELFObjectTargetWriter::getOSABI`](https://github.com/llvm/llvm-project/blob/8c8a2679a20f621994fa904bcfc68775e7345edc/llvm/include/llvm/MC/MCELFObjectWriter.h#L72-L86).
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This adapts LLVM's behavior of MCELFObjectTargetWriter::getOSABI [1].
[1]: https://github.com/llvm/llvm-project/blob/8c8a2679a20f621994fa904bcfc68775e7345edc/llvm/include/llvm/MC/MCELFObjectWriter.h#L72-L86
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In #95604 the compiler started generating a temporary symbols.o which is added
to the linker invocation. This object file has an `e_flags` which may be invalid
for 32-bit MIPS targets. Even though symbols.o doesn't contain code, linking
with [lld fails](https://github.com/llvm/llvm-project/blob/main/lld/ELF/Arch/MipsArchTree.cpp#L79) with
```
rust-lld: error: foo-cgu.0.rcgu.o: ABI 'o32' is incompatible with target ABI 'n64'
```
because it omits the ABI bits (EF_MIPS_ABI_O32) so lld assumes it's using the
N64 ABI. This breaks linking on nightly for the out-of-tree [psx
target](https://github.com/ayrtonm/psx-sdk-rs/issues/9), the builtin
mipsel-sony-psp target (cc @overdrivenpotato) and any other 32-bit MIPS
target using lld.
This PR sets the ABI in `e_flags` to O32 since that's the only ABI for 32-bit
MIPS that LLVM supports. It also sets other `e_flags` bits based on the target.
I had to bump the object crate version since some of these constants were [added
recently](https://github.com/gimli-rs/object/pull/433). I'm not sure if this
PR needs a test, but I can confirm that it fixes the linking issue on both
targets I mentioned.
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Update to 0.10.1
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Because MIPSr6 has many differences with previous MIPSr2 arch, the previous rlib metadata stripping code in `rustc_codegen_ssa` is only for MIPSr2/r3/r5 (which share the same elf e_flags).
This commit fixed this problem. It makes `rustc_codegen_ssa` happy when compiling rustc for MIPSr6 target or hosts.
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`thorin` is a Rust implementation of a DWARF packaging utility that
supports reading DWARF objects from archive files (i.e. rlibs) and
therefore is better suited for integration into rustc.
Signed-off-by: David Wood <david.wood@huawei.com>
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We already use the object crate for generating uncompressed .rmeta
metadata object files. This switches the generation of compressed
.rustc object files to use the object crate as well. These have
slightly different requirements in that .rmeta should be completely
excluded from any final compilation artifacts, while .rustc should
be part of shared objects, but not loaded into memory.
The primary motivation for this change is #90326: In LLVM 14, the
current way of setting section flags (and in particular, preventing
the setting of SHF_ALLOC) will no longer work. There are other ways
we could work around this, but switching to the object crate seems
like the most elegant, as we already use it for .rmeta, and as it
makes this independent of the codegen backend. In particular, we
don't need separate handling in codegen_llvm and codegen_gcc.
codegen_cranelift should be able to reuse the implementation as
well, though I have omitted that here, as it is not based on
codegen_ssa.
This change mostly extracts the existing code for .rmeta handling
to allow using it for .rustc as well, and adjust the codegen
infrastructure to handle the metadata object file separately: We
no longer create a backend-specific module for it, and directly
produce the compiled module instead.
This does not fix #90326 by itself yet, as .llvmbc will need to be
handled separately.
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Bumps object crate to permit parsing archives with 64-bit table entries. These
are primarily encountered when there's more than 4GB of archive data.
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This commit updates the backtrace crate in libstd now that dependencies
have been updated to use `memchr` from the standard library as well.
This is mostly just making sure deps are up-to-date and have all the
latest-and-greatest fixes and such.
Closes rust-lang/backtrace-rs#432
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Allow more "unknown argument" strings from linker
Some toolchains emit slightly different errors, e.g.
ppc-vle-gcc: error: unrecognized option '-no-pie'
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Some toolchains emit slightly different errors, e.g.
ppc-vle-gcc: error: unrecognized option '-no-pie'
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Since RFC 3052 soft deprecated the authors field anyway, hiding it from
crates.io, docs.rs, and making Cargo not add it by default, and it is
not generally up to date/useful information, we should remove it from
crates in this repo.
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