17bc927faSJerome Forissier/* SPDX-License-Identifier: BSD-2-Clause */ 27bc927faSJerome Forissier/* 37bc927faSJerome Forissier * Copyright (c) 2020, Huawei Technologies Co. Ltd. 47bc927faSJerome Forissier */ 57bc927faSJerome Forissier 67bc927faSJerome Forissier#include <asm.S> 77bc927faSJerome Forissier 87bc927faSJerome Forissier/* 97bc927faSJerome Forissier * long tlsdesc_resolve(struct tlsdesc *); 107bc927faSJerome Forissier * 117bc927faSJerome Forissier * Must preserve all registers except x0, x1 and the processor flags. 127bc927faSJerome Forissier * See https://www.fsfla.org/~lxoliva/writeups/TLS/RFC-TLSDESC-ARM.txt section 137bc927faSJerome Forissier * "Resolvers' Calling Convention". The document applies to 32-bit Arm but other 147bc927faSJerome Forissier * sources mention similar constraints for other architectures. 157bc927faSJerome Forissier */ 167bc927faSJerome ForissierFUNC tlsdesc_resolve , : 177bc927faSJerome Forissier ldr x0, [x0, #8] 187bc927faSJerome Forissier ret 197bc927faSJerome ForissierEND_FUNC tlsdesc_resolve 207bc927faSJerome Forissier 21*181f8492SRuchika GuptaBTI(emit_aarch64_feature_1_and GNU_PROPERTY_AARCH64_FEATURE_1_BTI) 22