Rollup of 11 pull requests #151997
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Rollup of 11 pull requests #151997
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Makes the use expressions significantly shorter.
So that `pub-priv1.rs` test does not have to (ab)use the `aux-crate` directive for this purpose. This is very edge-casey so I don't think we should document this in rustc-dev-guide. If someone needs to do this they will look at the code and easily find the functionality. This is a bit hacky since `--extern priv:pm.rs` is not valid, but we can make our directives work however we want. And I think this is a fine pragmatic approach. Doing it "the right way" would be a lot of work for not much gain. Plus, that work can be done incrementally in small steps in the future if wanted.
…ed uptream c static libraries
It doesn't use `self`, which means it doesn't need to be part of the `QueryContext` trait; we can just call `extract` directly where necessary.
Various `QueryStackFrame` variables are called `query`; `frame` is a better name. And various `QueryInfo` variables are called `frame`; `info` is a better name. This eliminates some confusing `query.query()` occurrences, which is a good sign, and some `frame.query` occurrences become `info.frame`.
Putting `+ 'tcx` on the `QueryDispatcher` trait lets a few other places be simplified.
It's defined and used in `rustc_query_impl`; `rustc_query_system` doesn't need it. So it can just be an inherent method on `QueryCtxt`.
The term of "discard" is misleading. An error is not discarded but converted to an `Option::None`.
Export globals via a `doc(hidden)` module. In test code, use the globals from `realstd` so that they are properly initialized.
Co-authored-by: lcnr <[email protected]>
…jorn3,petrochenkov link modifier `export-symbols`: export all global symbols from selected uptream c static libraries In order to be able to export symbols from a specified upstream C static library, I redesigned a solution that, compared to a previous PR rust-lang#150335 I submitted, will not have any extra symbols leaking out. The following points should be noted: - This attribute will select and import the `Global` symbols of the first matching library it finds. - Developers should ensure that there are no libraries with the same name. - This modifier is only compatible with `static` linking kind - By default, upstream C static libraries will not export their `Global` symbols regardless of whether `LTO` optimization is enabled. However, after enabling this attribute, if the upstream C static library has `LTO` optimization enabled, the compiler will issue an error to inform the developer that the linked C library is invalid. The test code is the same as the PR rust-lang#150335. Here are the results: 1. `cargo +include-libs rustc --release -- -L. -lstatic:+export-symbols=c_add` (or you can use `#[link(name = "c_add", kind= "static", modifier = "+export-symbols")]` in the file) ```bash U abort@GLIBC_2.2.5 U bcmp@GLIBC_2.2.5 0000000000014f60 T c_add U calloc@GLIBC_2.2.5 U close@GLIBC_2.2.5 0000000000014f70 T c_sub w __cxa_finalize@GLIBC_2.2.5 w __cxa_thread_atexit_impl@GLIBC_2.18 U dl_iterate_phdr@GLIBC_2.2.5 0000000000014ee0 T downstream_add U __errno_location@GLIBC_2.2.5 U free@GLIBC_2.2.5 U fstat64@GLIBC_2.33 U getcwd@GLIBC_2.2.5 U getenv@GLIBC_2.2.5 w __gmon_start__ w _ITM_deregisterTMCloneTable w _ITM_registerTMCloneTable U lseek64@GLIBC_2.2.5 U malloc@GLIBC_2.2.5 U memcpy@GLIBC_2.14 U memmove@GLIBC_2.2.5 U memset@GLIBC_2.2.5 U mmap64@GLIBC_2.2.5 U munmap@GLIBC_2.2.5 U open64@GLIBC_2.2.5 U posix_memalign@GLIBC_2.2.5 U pthread_key_create@GLIBC_2.34 U pthread_key_delete@GLIBC_2.34 U pthread_setspecific@GLIBC_2.34 U read@GLIBC_2.2.5 U readlink@GLIBC_2.2.5 U realloc@GLIBC_2.2.5 U realpath@GLIBC_2.3 U stat64@GLIBC_2.33 w statx@GLIBC_2.28 U strlen@GLIBC_2.2.5 U syscall@GLIBC_2.2.5 U __tls_get_addr@GLIBC_2.3 U _Unwind_Backtrace@GCC_3.3 U _Unwind_DeleteException@GCC_3.0 U _Unwind_GetDataRelBase@GCC_3.0 U _Unwind_GetIP@GCC_3.0 U _Unwind_GetIPInfo@GCC_4.2.0 U _Unwind_GetLanguageSpecificData@GCC_3.0 U _Unwind_GetRegionStart@GCC_3.0 U _Unwind_GetTextRelBase@GCC_3.0 U _Unwind_RaiseException@GCC_3.0 U _Unwind_Resume@GCC_3.0 U _Unwind_SetGR@GCC_3.0 U _Unwind_SetIP@GCC_3.0 U write@GLIBC_2.2.5 U writev@GLIBC_2.2.5 ``` 3. `cargo +nightly rustc --release -- -L ./` ```bash U abort@GLIBC_2.2.5 U bcmp@GLIBC_2.2.5 U calloc@GLIBC_2.2.5 U close@GLIBC_2.2.5 w __cxa_finalize@GLIBC_2.2.5 w __cxa_thread_atexit_impl@GLIBC_2.18 U dl_iterate_phdr@GLIBC_2.2.5 0000000000011e10 T downstream_add U __errno_location@GLIBC_2.2.5 U free@GLIBC_2.2.5 U fstat64@GLIBC_2.33 U getcwd@GLIBC_2.2.5 U getenv@GLIBC_2.2.5 w gettid@GLIBC_2.30 w __gmon_start__ w _ITM_deregisterTMCloneTable w _ITM_registerTMCloneTable U lseek64@GLIBC_2.2.5 U malloc@GLIBC_2.2.5 U memcpy@GLIBC_2.14 U memmove@GLIBC_2.2.5 U memset@GLIBC_2.2.5 U mmap64@GLIBC_2.2.5 U munmap@GLIBC_2.2.5 U open64@GLIBC_2.2.5 U posix_memalign@GLIBC_2.2.5 U pthread_key_create@GLIBC_2.34 U pthread_key_delete@GLIBC_2.34 U pthread_setspecific@GLIBC_2.34 U read@GLIBC_2.2.5 U readlink@GLIBC_2.2.5 U realloc@GLIBC_2.2.5 U realpath@GLIBC_2.3 U stat64@GLIBC_2.33 w statx@GLIBC_2.28 U strlen@GLIBC_2.2.5 U syscall@GLIBC_2.2.5 U __tls_get_addr@GLIBC_2.3 U _Unwind_Backtrace@GCC_3.3 U _Unwind_GetDataRelBase@GCC_3.0 U _Unwind_GetIP@GCC_3.0 U _Unwind_GetIPInfo@GCC_4.2.0 U _Unwind_GetLanguageSpecificData@GCC_3.0 U _Unwind_GetRegionStart@GCC_3.0 U _Unwind_GetTextRelBase@GCC_3.0 U _Unwind_RaiseException@GCC_3.0 U _Unwind_Resume@GCC_3.0 U _Unwind_SetGR@GCC_3.0 U _Unwind_SetIP@GCC_3.0 U write@GLIBC_2.2.5 U writev@GLIBC_2.2.5 ``` r? @bjorn3
…thar compiletest: Support `--extern` modifiers with `proc-macro` directive So that the `src/tools/compiletest/src/directives/auxiliary/tests.rs` test does not have to (ab)use the `aux-crate` directive for this purpose. This is very edge-casey so I don't think we should document this in rustc-dev-guide. Mentioning it will confuse more than it helps. If someone needs to do this they will look at the code and easily find the functionality. This is a bit hacky since `--extern priv:pm.rs` is not valid, but we can make our directives work however we want. And I think this is a fine pragmatic approach. Doing it "the right way" would be a lot of work for not much gain. Plus, that work can be done incrementally in small steps in the future if wanted. r? @Zalathar --- Follow-up to: - rust-lang#151353 - rust-lang#151670 ### Unblocks: - rust-lang#151691, because without this fix that test fails (see rust-lang#151691 (comment))
…rcote Use `#![feature(adt_const_params)]` for static query flags As suggested by rust-lang#151633 (comment), this replaces multiple clunky const booleans with a single const struct, which is a bit nicer. This should also make it easier to experiment with statically resolving other flags, like `eval_always`. There are currently no other compiler crates using `feature(adt_const_params)`, so hopefully it's mature enough for a simple use-case like this one.
…ianne Use default field values in a few more cases Makes the use expressions significantly shorter.
… r=tgross35 more float constants Add constants discussed in rust-lang#146939 rust-lang/libs-team#661 Retry of rust-lang#146934 r? @tgross35
…-relate, r=lcnr regression test for alias-relate changes in lub r? @lcnr
explain why we dont skip some of this work when there are field projections Perf says it doesn't help 🤷
Update documentation for `Result::ok()` The term of "discard" is misleading. An error is not discarded but converted to an `Option::None`.
…thar Query cleanups A few small cleanups in the query system. r? @Zalathar
…r=jhpratt Fix uninitialized UEFI globals in tests Export globals via a `doc(hidden)` module. In test code, use the globals from `realstd` so that they are properly initialized. CC @Ayush1325
Port `#[rustc_hidden_type_of_opaque]` to attribute parser
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…uwer Rollup of 11 pull requests Successful merges: - #150992 (link modifier `export-symbols`: export all global symbols from selected uptream c static libraries) - #151695 (compiletest: Support `--extern` modifiers with `proc-macro` directive) - #151938 (Use `#![feature(adt_const_params)]` for static query flags) - #151172 (Use default field values in a few more cases) - #151825 (more float constants) - #151870 (regression test for alias-relate changes in lub) - #151902 (explain why we dont skip some of this work when there are field projections) - #151974 (Update documentation for `Result::ok()`) - #151978 (Query cleanups) - #151979 (Fix uninitialized UEFI globals in tests) - #151992 (Port `#[rustc_hidden_type_of_opaque]` to attribute parser)
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💔 Test for 6ad3d3d failed: CI. Failed job:
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Successful merges:
export-symbols: export all global symbols from selected uptream c static libraries #150992 (link modifierexport-symbols: export all global symbols from selected uptream c static libraries)--externmodifiers withproc-macrodirective #151695 (compiletest: Support--externmodifiers withproc-macrodirective)#![feature(adt_const_params)]for static query flags #151938 (Use#![feature(adt_const_params)]for static query flags)Result::ok()#151974 (Update documentation forResult::ok())#[rustc_hidden_type_of_opaque]to attribute parser #151992 (Port#[rustc_hidden_type_of_opaque]to attribute parser)r? @ghost
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