1 //===-- AArch64FixupKinds.h - AArch64 Specific Fixup Entries ----*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64FIXUPKINDS_H 11 #define LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64FIXUPKINDS_H 12 13 #include "llvm/MC/MCFixup.h" 14 15 namespace llvm { 16 namespace AArch64 { 17 18 enum Fixups { 19 // A 21-bit pc-relative immediate inserted into an ADR instruction. 20 fixup_aarch64_pcrel_adr_imm21 = FirstTargetFixupKind, 21 22 // A 21-bit pc-relative immediate inserted into an ADRP instruction. 23 fixup_aarch64_pcrel_adrp_imm21, 24 25 // 12-bit fixup for add/sub instructions. No alignment adjustment. All value 26 // bits are encoded. 27 fixup_aarch64_add_imm12, 28 29 // unsigned 12-bit fixups for load and store instructions. 30 fixup_aarch64_ldst_imm12_scale1, 31 fixup_aarch64_ldst_imm12_scale2, 32 fixup_aarch64_ldst_imm12_scale4, 33 fixup_aarch64_ldst_imm12_scale8, 34 fixup_aarch64_ldst_imm12_scale16, 35 36 // The high 19 bits of a 21-bit pc-relative immediate. Same encoding as 37 // fixup_aarch64_pcrel_adrhi, except this is used by pc-relative loads and 38 // generates relocations directly when necessary. 39 fixup_aarch64_ldr_pcrel_imm19, 40 41 // FIXME: comment 42 fixup_aarch64_movw, 43 44 // The high 14 bits of a 21-bit pc-relative immediate. 45 fixup_aarch64_pcrel_branch14, 46 47 // The high 19 bits of a 21-bit pc-relative immediate. Same encoding as 48 // fixup_aarch64_pcrel_adrhi, except this is use by b.cc and generates 49 // relocations directly when necessary. 50 fixup_aarch64_pcrel_branch19, 51 52 // The high 26 bits of a 28-bit pc-relative immediate. 53 fixup_aarch64_pcrel_branch26, 54 55 // The high 26 bits of a 28-bit pc-relative immediate. Distinguished from 56 // branch26 only on ELF. 57 fixup_aarch64_pcrel_call26, 58 59 // zero-space placeholder for the ELF R_AARCH64_TLSDESC_CALL relocation. 60 fixup_aarch64_tlsdesc_call, 61 62 // Marker 63 LastTargetFixupKind, 64 NumTargetFixupKinds = LastTargetFixupKind - FirstTargetFixupKind 65 }; 66 67 } // end namespace AArch64 68 } // end namespace llvm 69 70 #endif 71