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elf.h: Add aarch64 bti/pac dynamic tag constants

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Constants double checked against binutils and the ELF for the Arm 64-bit
Architecture (AArch64) Release 2020Q2 document.

Only BTI PLT is used in glibc, there's no PAC PLT with glibc, and people
are expected to use BIND_NOW.
This commit is contained in:
Mark Wielaard 2020-08-28 18:44:16 +02:00
parent 04bba1e5d8
commit 721a853415
1 changed files with 2 additions and 0 deletions
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2
elf/elf.h
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@ -2875,6 +2875,8 @@ enum
#define R_AARCH64_IRELATIVE 1032 /* STT_GNU_IFUNC relocation. */
/* AArch64 specific values for the Dyn d_tag field. */
#define DT_AARCH64_BTI_PLT (DT_LOPROC + 1)
#define DT_AARCH64_PAC_PLT (DT_LOPROC + 3)
#define DT_AARCH64_VARIANT_PCS (DT_LOPROC + 5)
#define DT_AARCH64_NUM 6