AArch64FixupKinds.h revision dce4a407a24b04eebc6a376f8e62b41aaa7b071f
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//===-- AArch64FixupKinds.h - AArch64 Specific Fixup Entries ----*- C++ -*-===// 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The LLVM Compiler Infrastructure 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This file is distributed under the University of Illinois Open Source 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// License. See LICENSE.TXT for details. 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//===----------------------------------------------------------------------===// 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef LLVM_AArch64FIXUPKINDS_H 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define LLVM_AArch64FIXUPKINDS_H 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "llvm/MC/MCFixup.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace llvm { 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace AArch64 { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)enum Fixups { 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // fixup_aarch64_pcrel_adr_imm21 - A 21-bit pc-relative immediate inserted into 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // an ADR instruction. 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_pcrel_adr_imm21 = FirstTargetFixupKind, 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // fixup_aarch64_pcrel_adrp_imm21 - A 21-bit pc-relative immediate inserted into 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // an ADRP instruction. 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_pcrel_adrp_imm21, 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // fixup_aarch64_imm12 - 12-bit fixup for add/sub instructions. 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // No alignment adjustment. All value bits are encoded. 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_add_imm12, 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // fixup_aarch64_ldst_imm12_* - unsigned 12-bit fixups for load and 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // store instructions. 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_ldst_imm12_scale1, 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_ldst_imm12_scale2, 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_ldst_imm12_scale4, 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_ldst_imm12_scale8, 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_ldst_imm12_scale16, 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // fixup_aarch64_ldr_pcrel_imm19 - The high 19 bits of a 21-bit pc-relative 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // immediate. Same encoding as fixup_aarch64_pcrel_adrhi, except this is used by 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // pc-relative loads and generates relocations directly when necessary. 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_ldr_pcrel_imm19, 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // FIXME: comment 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_movw, 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // fixup_aarch64_pcrel_imm14 - The high 14 bits of a 21-bit pc-relative 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // immediate. 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_pcrel_branch14, 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // fixup_aarch64_pcrel_branch19 - The high 19 bits of a 21-bit pc-relative 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // immediate. Same encoding as fixup_aarch64_pcrel_adrhi, except this is use by 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // b.cc and generates relocations directly when necessary. 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_pcrel_branch19, 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // fixup_aarch64_pcrel_branch26 - The high 26 bits of a 28-bit pc-relative 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // immediate. 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_pcrel_branch26, 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // fixup_aarch64_pcrel_call26 - The high 26 bits of a 28-bit pc-relative 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // immediate. Distinguished from branch26 only on ELF. 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_pcrel_call26, 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // fixup_aarch64_tlsdesc_call - zero-space placeholder for the ELF 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // R_AARCH64_TLSDESC_CALL relocation. 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) fixup_aarch64_tlsdesc_call, 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Marker 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) LastTargetFixupKind, 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) NumTargetFixupKinds = LastTargetFixupKind - FirstTargetFixupKind 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // end namespace AArch64 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // end namespace llvm 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)