Various small debuginfo improvements

rust-lang / rustc_codegen_cranelift

Cranelift based backend for rustc

Apache License 2.0

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Closed bjorn3 closed 6 months ago

bjorn3 commented 6 months ago

Define functions scopes using DW_TAG_namespace.
Emit DW_AT_external for external functions.
Emit DW_AT_frame_base.
Remove DW_AT_column as cg_llvm doesn't emit it either.
Reorder a couple of attributes to match the order cg_llvm emits them in for easier comparisons.