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From: Szabolcs Nagy <nsz@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/release/2.27/master] aarch64: add STO_AARCH64_VARIANT_PCS and DT_AARCH64_VARIANT_PCS Date: Fri, 12 Jul 2019 12:42:00 -0000 [thread overview] Message-ID: <20190712124202.79093.qmail@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0b48caab9a144856db8d38784dc86e81062da564 commit 0b48caab9a144856db8d38784dc86e81062da564 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: --- ChangeLog | 5 +++++ elf/elf.h | 7 +++++++ 2 files changed, 12 insertions(+) diff --git a/ChangeLog b/ChangeLog index 225e534..d893798 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2019-06-13 Szabolcs Nagy <szabolcs.nagy@arm.com> + + * elf/elf.h (STO_AARCH64_VARIANT_PCS): Define. + (DT_AARCH64_VARIANT_PCS): Define. + 2019-06-28 Florian Weimer <fweimer@redhat.com> [BZ #24744] diff --git a/elf/elf.h b/elf/elf.h index 954f326..f6ce814 100644 --- a/elf/elf.h +++ b/elf/elf.h @@ -2835,6 +2835,13 @@ 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 */
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