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SubjectRe: ERROR: INT DW_ATE_unsigned_1 Error emitting BTF type
On Fri, Feb 5, 2021 at 3:37 PM Sedat Dilek <sedat.dilek@gmail.com> wrote:
>
> Hi,
>
> when building with pahole v1.20 and binutils v2.35.2 plus Clang
> v12.0.0-rc1 and DWARF-v5 I see:
> ...
> + info BTF .btf.vmlinux.bin.o
> + [ != silent_ ]
> + printf %-7s %s\n BTF .btf.vmlinux.bin.o
> BTF .btf.vmlinux.bin.o
> + LLVM_OBJCOPY=/opt/binutils/bin/objcopy /opt/pahole/bin/pahole -J
> .tmp_vmlinux.btf
> [115] INT DW_ATE_unsigned_1 Error emitting BTF type
> Encountered error while encoding BTF.

Grepping the pahole sources:

$ git grep DW_ATE
dwarf_loader.c: bt->is_bool = encoding == DW_ATE_boolean;
dwarf_loader.c: bt->is_signed = encoding == DW_ATE_signed;

Missing DW_ATE_unsigned encoding?

- Sedat -

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