[AArch64 ELF ABI] Vector calls and lazy binding on AArch64

[Szabolcs Nagy]

On 22/05/2019 15:42, Szabolcs Nagy wrote:
> [AAELF64]: ELF for the Arm 64-bit Architecture (AArch64)
>            https://developer.arm.com/docs/ihi0056/latest
> [VABI64]:  Vector Function ABI Specification for AArch64
>            https://developer.arm.com/tools-and-software/server-and-hpc/arm-architecture-tools/arm-compiler-for-hpc/vector-function-abi

the new ABI has been published with minor wording changes
compared to the draft version.

the ABI is implemented in gcc, binutils and glibc in a
series of patches listed below.


gcc:

commit 779640c76d37b32f4d8a7b97637ed9e345d750b4
Commit:     nsz <nsz@138bc75d-0d04-0410-961f-82ee72b054a4>
CommitDate: 2019-06-03 13:50:53 +0000

    aarch64: emit .variant_pcs for aarch64_vector_pcs symbol references
    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@271869 138bc75d-0d04-0410-961f-82ee72b054a4

commit d403a7711c2cf9a7a4892d76b875a1c99a690f89
Commit:     nsz <nsz@138bc75d-0d04-0410-961f-82ee72b054a4>
CommitDate: 2019-06-04 16:16:52 +0000

    aarch64: fix asm visibility for extern symbols
    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@271913 138bc75d-0d04-0410-961f-82ee72b054a4

commit 042371f341a956de8c76557df700ebdc1af9ab4f
Commit:     nsz <nsz@138bc75d-0d04-0410-961f-82ee72b054a4>
CommitDate: 2019-06-18 11:11:07 +0000

    aarch64: fix gcc.target/aarch64/pcs_attribute-2.c on non-gnu targets
    git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@272414 138bc75d-0d04-0410-961f-82ee72b054a4


binutils:

commit 2301ed1c9af1316b4bad3747d2b03f7d44940f87
Commit:     Szabolcs Nagy <szabolcs.nagy@arm.com>
CommitDate: 2019-05-24 15:05:57 +0100

    aarch64: add STO_AARCH64_VARIANT_PCS and DT_AARCH64_VARIANT_PCS

commit f166ae0188dcb89c5ae925034260a708a254ab2f
Commit:     Szabolcs Nagy <szabolcs.nagy@arm.com>
CommitDate: 2019-05-24 15:07:42 +0100

    aarch64: handle .variant_pcs directive in gas

commit 0b4eac57c44ec4c9e13f5201b40936c3b3e6c639
Commit:     Szabolcs Nagy <szabolcs.nagy@arm.com>
CommitDate: 2019-05-24 15:09:06 +0100

    aarch64: override default elf .set handling in gas

commit 823710d5856996d1f54f04ecb2f7647aeae99b5b
Commit:     Szabolcs Nagy <szabolcs.nagy@arm.com>
CommitDate: 2019-05-24 15:11:00 +0100

    aarch64: handle STO_AARCH64_VARIANT_PCS in bfd

commit 65f381e729bedb933f3e1376e7f53f0ff63ac9a8
Commit:     Szabolcs Nagy <szabolcs.nagy@arm.com>
CommitDate: 2019-05-28 12:03:51 +0100

    aarch64: fix variant_pcs ld tests


glibc:

commit 55f82d328d2dd1c7c13c1992f4b9bf9c95b57551
Commit:     Szabolcs Nagy <szabolcs.nagy@arm.com>
CommitDate: 2019-06-13 09:44:44 +0100

    aarch64: add STO_AARCH64_VARIANT_PCS and DT_AARCH64_VARIANT_PCS

commit 82bc69c012838a381c4167c156a06f4598f34227
Commit:     Szabolcs Nagy <szabolcs.nagy@arm.com>
CommitDate: 2019-06-13 09:45:00 +0100

    aarch64: handle STO_AARCH64_VARIANT_PCS