debuginfo: Mangle tuples to be natvis friendly, typedef basic types#73715
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bors merged 2 commits intorust-lang:masterfrom Jul 12, 2020
Merged
debuginfo: Mangle tuples to be natvis friendly, typedef basic types#73715bors merged 2 commits intorust-lang:masterfrom
bors merged 2 commits intorust-lang:masterfrom
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- Mangles (T0, T1) as tuple<T0, T1>, possibly unblocking rust-lang#70052 "Update hashbrown to 0.8.0" - Prettifies Rust tuples similar to VS2017's std::tuple - Improves debuginfo test coverage
PDB debug information doesn't appear to be emitted for basic types. By defining u32 as a typedef for unsigned __int32 when targeting MSVC, we allow CDB and other debuggers to recognize "u32" as a type/expression. This in turn unblocks rust-lang#70052 "Update hashbrown to 0.8.0" by allowing $T1 ..= $T3 to resolve, which would otherwise fail to resolve when builtin types fail to parse.
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Seems reasonable though I'm not really knowledgeable about the natvis support we have. cc @pnkfelix @nikomatsakis -- do we have folks we can ping on this? Maybe the windows group in general?
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I'm not sure but I bet somebody in that group has an idea or knows someone who can help! @rustbot ping windows |
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Hey Windows Group! This bug has been identified as a good "Windows candidate". cc @arlosi @danielframpton @gdr-at-ms @kennykerr @luqmana @lzybkr @retep998 @rylev @sivadeilra @spastorino |
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📌 Commit 24a728a has been approved by |
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…manieu debuginfo: Mangle tuples to be natvis friendly, typedef basic types These changes are meant to unblock rust-lang#70052 "Update hashbrown to 0.8.0" by allowing the use of `tuple<u64, u64>` as a .natvis expression in MSVC style debuggers (MSVC, WinDbg, CDB, etc.) * f8eb81b does the actual mangling of `(u64, u64)` -> `tuple<u64, 64>` * 24a728a allows `u64` to resolve (fixing `$T1` / `$T2` when used to visualize `HashMap<u64, u64, ...>`)
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…manieu debuginfo: Mangle tuples to be natvis friendly, typedef basic types These changes are meant to unblock rust-lang#70052 "Update hashbrown to 0.8.0" by allowing the use of `tuple<u64, u64>` as a .natvis expression in MSVC style debuggers (MSVC, WinDbg, CDB, etc.) * f8eb81b does the actual mangling of `(u64, u64)` -> `tuple<u64, 64>` * 24a728a allows `u64` to resolve (fixing `$T1` / `$T2` when used to visualize `HashMap<u64, u64, ...>`)
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…arth Rollup of 10 pull requests Successful merges: - rust-lang#72920 (Stabilize `transmute` in constants and statics but not const fn) - rust-lang#73715 (debuginfo: Mangle tuples to be natvis friendly, typedef basic types) - rust-lang#74066 (Optimize is_ascii for str and [u8].) - rust-lang#74116 (Fix cross compilation of LLVM to aarch64 Windows targets) - rust-lang#74167 (linker: illumos ld does not support --eh-frame-hdr) - rust-lang#74168 (Add a help to use `in_band_lifetimes` in nightly) - rust-lang#74197 (Reword incorrect `self` token suggestion) - rust-lang#74213 (Minor refactor for rustc_resolve diagnostics match) - rust-lang#74240 (Fix rust-lang#74081 and add the test case from rust-lang#74236) - rust-lang#74241 (update miri) Failed merges: r? @ghost
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These changes are meant to unblock #70052 "Update hashbrown to 0.8.0" by allowing the use of
tuple<u64, u64>as a .natvis expression in MSVC style debuggers (MSVC, WinDbg, CDB, etc.)(u64, u64)->tuple<u64, 64>u64to resolve (fixing$T1/$T2when used to visualizeHashMap<u64, u64, ...>)