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Use aapcs for efiapi calling convention on arm #104077

Merged
merged 1 commit into from
Nov 10, 2022
Merged

Use aapcs for efiapi calling convention on arm #104077

merged 1 commit into from
Nov 10, 2022

Commits on Nov 6, 2022

  1. Use aapcs for efiapi calling convention on arm 

    On arm, llvm treats the C calling convention as `aapcs` on soft-float
targets and `aapcs-vfp` on hard-float targets [1]. UEFI specifies in the
arm calling convention that floating point extensions aren't used [2],
so always translate `efiapi` to `aapcs` on arm.

[1]: rust-lang/compiler-builtins#116 (comment)
[2]: https://uefi.org/specs/UEFI/2.10/02_Overview.html#detailed-calling-convention

rust-lang#65815
    @nicholasbishop
    nicholasbishop committed Nov 6, 2022
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