commit 55f82d328d2dd1c7c13c1992f4b9bf9c95b57551

Author: Szabolcs Nagy <szabolcs.nagy@arm.com>

Date:   Thu Apr 25 15:35:35 2019 +0100

    aarch64: add STO_AARCH64_VARIANT_PCS and DT_AARCH64_VARIANT_PCS

    STO_AARCH64_VARIANT_PCS is a non-visibility st_other flag for marking

    symbols that reference functions that may follow a variant PCS with

    different register usage convention from the base PCS.

    DT_AARCH64_VARIANT_PCS is a dynamic tag that marks ELF modules that

    have R_*_JUMP_SLOT relocations for symbols marked with

    STO_AARCH64_VARIANT_PCS (i.e. have variant PCS calls via a PLT).

            * elf/elf.h (STO_AARCH64_VARIANT_PCS): Define.

            (DT_AARCH64_VARIANT_PCS): Define.

diff --git a/elf/elf.h b/elf/elf.h

index 7e2b072a7f75451c..74f7f479ce817040 100644

--- a/elf/elf.h

+++ b/elf/elf.h

@@ -2847,6 +2847,13 @@ enum

 #define R_AARCH64_TLSDESC      1031	/* TLS Descriptor.  */

 #define R_AARCH64_IRELATIVE	1032	/* STT_GNU_IFUNC relocation.  */

+/* AArch64 specific values for the Dyn d_tag field.  */

+#define DT_AARCH64_VARIANT_PCS	(DT_LOPROC + 5)

+#define DT_AARCH64_NUM		6

+

+/* AArch64 specific values for the st_other field.  */

+#define STO_AARCH64_VARIANT_PCS 0x80

+

 /* ARM relocs.  */

 #define R_ARM_NONE		0	/* No reloc */