eddyz87 planned changes to this revision.
eddyz87 added a comment.
In D143967#4312746 <https://reviews.llvm.org/D143967#4312746>, @yonghong-song
wrote:
> I see the following in the Summary:
>
> Type tag for CVR modifier type
>
> C:
>
> volatile int __attribute__((btf_type_tag("__b"))) b;
>
> DWARF:
>
> 0x31: DW_TAG_variable
> DW_AT_name ("b")
> DW_AT_type (0x3c "volatile int")
>
> 0x3c: DW_TAG_volatile_type
> DW_AT_type (0x45 "int")
>
> 0x41: DW_TAG_LLVM_annotation
> DW_AT_name ("btf:type_tag")
> DW_AT_const_value ("__b")
>
> Basically, the btf_type_tag is put under 'volatile' type in dwarf. Is this
> what gcc also agrees with?
We decided against it but changes to force all type tags after CVR modifiers
are not implemented, should probably add a wip tag.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D143967/new/
https://reviews.llvm.org/D143967
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