Is aarch64_be-linux-gnu_ilp32 supported?

[Andrew Pinski]

On Wed, Apr 19, 2023 at 4:34 PM Alan Modra via Binutils
<binutils@sourceware.org> wrote:
>
> I added aarch64_be-linux-gnu_ilp32 a while ago to my list of targets
> to test before pushing global changes, but I'm thinking I ought to drop
> it.  The ld testsuite gets segmentation faults, and the list of fails
> is quite large.  No doubt it would be worse if I had installed a
> cross-compiler for the target.

The Linux kernel support for ILP32 never made it upstream; glibc
support never made it upstream; though there was a branch on
sourceware.org at one time. And we (the folks who were working on
ILP32 at the time) never tested big-endian support.

Thanks,
Andrew Pinski

>
> aarch64_be-linux-gnu_ilp32  FAIL: binutils-all/aarch64/sve-dwarf-registers
> aarch64_be-linux-gnu_ilp32  FAIL: Disassembler detects unallocated instruction encodings.
> aarch64_be-linux-gnu_ilp32  FAIL: binutils-all/strip-14
> aarch64_be-linux-gnu_ilp32  FAIL: binutils-all/strip-15
> aarch64_be-linux-gnu_ilp32  FAIL: gas/aarch64/reloc-prel_g1_nc
> aarch64_be-linux-gnu_ilp32  FAIL: gas/aarch64/reloc-prel_g2
> aarch64_be-linux-gnu_ilp32  FAIL: gas/aarch64/reloc-prel_g2_nc
> aarch64_be-linux-gnu_ilp32  FAIL: gas/aarch64/reloc-prel_g3
> aarch64_be-linux-gnu_ilp32  FAIL: gas/aarch64/symbol-variant_pcs-1
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/erratum843419_tls_ie
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/erratum843419-far-adr
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/erratum843419-far-full
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/emit-relocs-257-be
> aarch64_be-linux-gnu_ilp32  FAIL: aarch64-farcall-b-gsym
> aarch64_be-linux-gnu_ilp32  FAIL: aarch64-farcall-group
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-all
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-gd-le
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-gdesc-le
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-gdesc-le-now
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-ie-le
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-ld-le-small
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-ld-le-tiny
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-desc-ie
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-gdesc-le-2
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-ie-le-2
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-ie-le-3
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-tiny-gd
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-tiny-gd-le
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-tiny-desc
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-tiny-desc-le
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-tiny-ie
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-tiny-ld
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-small-ld
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tlsle-symbol-offset
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/gc-got-relocs
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/gc-tls-relocs
> aarch64_be-linux-gnu_ilp32  FAIL: TLS offset out of range
> aarch64_be-linux-gnu_ilp32  FAIL: TLS offset out of range - TPREL_ADD_LO12
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/protected-data
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-gd-ie
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-large-gd-ie-be
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-large-desc-ie-be
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-gdesc-ie
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-gdesc-ie-2
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-tiny-gd-ie
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-tiny-desc-ie
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-gd-ie-2
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-gd-ie-3
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/tls-relax-ie-le-4
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/relasz
> aarch64_be-linux-gnu_ilp32  FAIL: AArch64 mapping symbol for plt section test.
> aarch64_be-linux-gnu_ilp32  FAIL: GNU Property (single input, combine section)
> aarch64_be-linux-gnu_ilp32  FAIL: GNU Property (combine multiple with BTI)
> aarch64_be-linux-gnu_ilp32  FAIL: GNU Property (combine multiple with PAC)
> aarch64_be-linux-gnu_ilp32  FAIL: PT_GNU_PROPERTY alignment
> aarch64_be-linux-gnu_ilp32  FAIL: Check -z force-bti emits BTI PLT (shared)
> aarch64_be-linux-gnu_ilp32  FAIL: Check -z force-bti emits BTI feature (shared)
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/exe with copy relocation
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/exe with copy relocation 2
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/exe with copy relocation elimination
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/func sym hash opt for exe
> aarch64_be-linux-gnu_ilp32  FAIL: Build bti-plt-so for PLT tests
> aarch64_be-linux-gnu_ilp32  FAIL: Check -z force-bti emits BTI PLT (exec)
> aarch64_be-linux-gnu_ilp32  FAIL: Check -z force-bti emits BTI feature (exec)
> aarch64_be-linux-gnu_ilp32  FAIL: BTI PLT with only GNU PROP
> aarch64_be-linux-gnu_ilp32  FAIL: Warn with one missing GNU NOTE BTI input
> aarch64_be-linux-gnu_ilp32  FAIL: Warn when neither inputs has GNU NOTE BTI
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/pac-plt-1
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/pac-plt-2
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/bti-pac-plt-1
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/bti-pac-plt-2
> aarch64_be-linux-gnu_ilp32  FAIL: Warn when both have GNU prop but neither BTI
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/weak-tls
> aarch64_be-linux-gnu_ilp32  FAIL: ld-aarch64/undef-tls
> aarch64_be-linux-gnu_ilp32  FAIL: Check linker stubs with indirect calls handle BTI (shared lib).
> aarch64_be-linux-gnu_ilp32  FAIL: Check linker stubs with indirect calls handle BTI (exe).
> aarch64_be-linux-gnu_ilp32  FAIL: Check linker stubs with indirect calls handle BTI when target has BTI.
>
> --
> Alan Modra
> Australia Development Lab, IBM