contrib/llvm/lib/Target/AArch64/MCTargetDesc/AArch64FixupKinds.h

   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