10b57cec5SDimitry Andric //===-- AArch64FixupKinds.h - AArch64 Specific Fixup Entries ----*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric 90b57cec5SDimitry Andric #ifndef LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64FIXUPKINDS_H 100b57cec5SDimitry Andric #define LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64FIXUPKINDS_H 110b57cec5SDimitry Andric 120b57cec5SDimitry Andric #include "llvm/MC/MCFixup.h" 130b57cec5SDimitry Andric 140b57cec5SDimitry Andric namespace llvm { 150b57cec5SDimitry Andric namespace AArch64 { 160b57cec5SDimitry Andric 170b57cec5SDimitry Andric enum Fixups { 180b57cec5SDimitry Andric // A 21-bit pc-relative immediate inserted into an ADR instruction. 190b57cec5SDimitry Andric fixup_aarch64_pcrel_adr_imm21 = FirstTargetFixupKind, 200b57cec5SDimitry Andric 210b57cec5SDimitry Andric // A 21-bit pc-relative immediate inserted into an ADRP instruction. 220b57cec5SDimitry Andric fixup_aarch64_pcrel_adrp_imm21, 230b57cec5SDimitry Andric 240b57cec5SDimitry Andric // 12-bit fixup for add/sub instructions. No alignment adjustment. All value 250b57cec5SDimitry Andric // bits are encoded. 260b57cec5SDimitry Andric fixup_aarch64_add_imm12, 270b57cec5SDimitry Andric 280b57cec5SDimitry Andric // unsigned 12-bit fixups for load and store instructions. 290b57cec5SDimitry Andric fixup_aarch64_ldst_imm12_scale1, 300b57cec5SDimitry Andric fixup_aarch64_ldst_imm12_scale2, 310b57cec5SDimitry Andric fixup_aarch64_ldst_imm12_scale4, 320b57cec5SDimitry Andric fixup_aarch64_ldst_imm12_scale8, 330b57cec5SDimitry Andric fixup_aarch64_ldst_imm12_scale16, 340b57cec5SDimitry Andric 350b57cec5SDimitry Andric // The high 19 bits of a 21-bit pc-relative immediate. Same encoding as 360b57cec5SDimitry Andric // fixup_aarch64_pcrel_adrhi, except this is used by pc-relative loads and 370b57cec5SDimitry Andric // generates relocations directly when necessary. 380b57cec5SDimitry Andric fixup_aarch64_ldr_pcrel_imm19, 390b57cec5SDimitry Andric 400b57cec5SDimitry Andric // FIXME: comment 410b57cec5SDimitry Andric fixup_aarch64_movw, 420b57cec5SDimitry Andric 430b57cec5SDimitry Andric // The high 14 bits of a 21-bit pc-relative immediate. 440b57cec5SDimitry Andric fixup_aarch64_pcrel_branch14, 450b57cec5SDimitry Andric 46*cb14a3feSDimitry Andric // The high 16 bits of a 18-bit unsigned PC-relative immediate. Used by 47*cb14a3feSDimitry Andric // pointer authentication, only within a function, so no relocation can be 48*cb14a3feSDimitry Andric // generated. 49*cb14a3feSDimitry Andric fixup_aarch64_pcrel_branch16, 50*cb14a3feSDimitry Andric 510b57cec5SDimitry Andric // The high 19 bits of a 21-bit pc-relative immediate. Same encoding as 520b57cec5SDimitry Andric // fixup_aarch64_pcrel_adrhi, except this is use by b.cc and generates 530b57cec5SDimitry Andric // relocations directly when necessary. 540b57cec5SDimitry Andric fixup_aarch64_pcrel_branch19, 550b57cec5SDimitry Andric 560b57cec5SDimitry Andric // The high 26 bits of a 28-bit pc-relative immediate. 570b57cec5SDimitry Andric fixup_aarch64_pcrel_branch26, 580b57cec5SDimitry Andric 590b57cec5SDimitry Andric // The high 26 bits of a 28-bit pc-relative immediate. Distinguished from 600b57cec5SDimitry Andric // branch26 only on ELF. 610b57cec5SDimitry Andric fixup_aarch64_pcrel_call26, 620b57cec5SDimitry Andric 630b57cec5SDimitry Andric // Marker 640b57cec5SDimitry Andric LastTargetFixupKind, 650b57cec5SDimitry Andric NumTargetFixupKinds = LastTargetFixupKind - FirstTargetFixupKind 660b57cec5SDimitry Andric }; 670b57cec5SDimitry Andric 680b57cec5SDimitry Andric } // end namespace AArch64 690b57cec5SDimitry Andric } // end namespace llvm 700b57cec5SDimitry Andric 710b57cec5SDimitry Andric #endif 72