llvm-project/llvm/lib/Target/AArch64/MCTargetDesc/AArch64FixupKinds.h

77 lines
2.5 KiB
C++

//===-- AArch64FixupKinds.h - AArch64 Specific Fixup Entries ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64FIXUPKINDS_H
#define LLVM_LIB_TARGET_AARCH64_MCTARGETDESC_AARCH64FIXUPKINDS_H
#include "llvm/MC/MCFixup.h"
namespace llvm {
namespace AArch64 {
enum Fixups {
// fixup_aarch64_pcrel_adr_imm21 - A 21-bit pc-relative immediate inserted into
// an ADR instruction.
fixup_aarch64_pcrel_adr_imm21 = FirstTargetFixupKind,
// fixup_aarch64_pcrel_adrp_imm21 - A 21-bit pc-relative immediate inserted into
// an ADRP instruction.
fixup_aarch64_pcrel_adrp_imm21,
// fixup_aarch64_imm12 - 12-bit fixup for add/sub instructions.
// No alignment adjustment. All value bits are encoded.
fixup_aarch64_add_imm12,
// fixup_aarch64_ldst_imm12_* - unsigned 12-bit fixups for load and
// store instructions.
fixup_aarch64_ldst_imm12_scale1,
fixup_aarch64_ldst_imm12_scale2,
fixup_aarch64_ldst_imm12_scale4,
fixup_aarch64_ldst_imm12_scale8,
fixup_aarch64_ldst_imm12_scale16,
// fixup_aarch64_ldr_pcrel_imm19 - The high 19 bits of a 21-bit pc-relative
// immediate. Same encoding as fixup_aarch64_pcrel_adrhi, except this is used by
// pc-relative loads and generates relocations directly when necessary.
fixup_aarch64_ldr_pcrel_imm19,
// FIXME: comment
fixup_aarch64_movw,
// fixup_aarch64_pcrel_imm14 - The high 14 bits of a 21-bit pc-relative
// immediate.
fixup_aarch64_pcrel_branch14,
// fixup_aarch64_pcrel_branch19 - The high 19 bits of a 21-bit pc-relative
// immediate. Same encoding as fixup_aarch64_pcrel_adrhi, except this is use by
// b.cc and generates relocations directly when necessary.
fixup_aarch64_pcrel_branch19,
// fixup_aarch64_pcrel_branch26 - The high 26 bits of a 28-bit pc-relative
// immediate.
fixup_aarch64_pcrel_branch26,
// fixup_aarch64_pcrel_call26 - The high 26 bits of a 28-bit pc-relative
// immediate. Distinguished from branch26 only on ELF.
fixup_aarch64_pcrel_call26,
// fixup_aarch64_tlsdesc_call - zero-space placeholder for the ELF
// R_AARCH64_TLSDESC_CALL relocation.
fixup_aarch64_tlsdesc_call,
// Marker
LastTargetFixupKind,
NumTargetFixupKinds = LastTargetFixupKind - FirstTargetFixupKind
};
} // end namespace AArch64
} // end namespace llvm
#endif