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   // fixup_aarch64_pcrel_adr_imm21 - A 21-bit pc-relative immediate inserted into
  20   // an ADR instruction.
  21   fixup_aarch64_pcrel_adr_imm21 = FirstTargetFixupKind,
  22
  23   // fixup_aarch64_pcrel_adrp_imm21 - A 21-bit pc-relative immediate inserted into
  24   // an ADRP instruction.
  25   fixup_aarch64_pcrel_adrp_imm21,
  26
  27   // fixup_aarch64_imm12 - 12-bit fixup for add/sub instructions.
  28   //     No alignment adjustment. All value bits are encoded.
  29   fixup_aarch64_add_imm12,
  30
  31   // fixup_aarch64_ldst_imm12_* - unsigned 12-bit fixups for load and
  32   // store instructions.
  33   fixup_aarch64_ldst_imm12_scale1,
  34   fixup_aarch64_ldst_imm12_scale2,
  35   fixup_aarch64_ldst_imm12_scale4,
  36   fixup_aarch64_ldst_imm12_scale8,
  37   fixup_aarch64_ldst_imm12_scale16,
  38
  39   // fixup_aarch64_ldr_pcrel_imm19 - The high 19 bits of a 21-bit pc-relative
  40   // immediate. Same encoding as fixup_aarch64_pcrel_adrhi, except this is used by
  41   // pc-relative loads and generates relocations directly when necessary.
  42   fixup_aarch64_ldr_pcrel_imm19,
  43
  44   // FIXME: comment
  45   fixup_aarch64_movw,
  46
  47   // fixup_aarch64_pcrel_imm14 - The high 14 bits of a 21-bit pc-relative
  48   // immediate.
  49   fixup_aarch64_pcrel_branch14,
  50
  51   // fixup_aarch64_pcrel_branch19 - The high 19 bits of a 21-bit pc-relative
  52   // immediate. Same encoding as fixup_aarch64_pcrel_adrhi, except this is use by
  53   // b.cc and generates relocations directly when necessary.
  54   fixup_aarch64_pcrel_branch19,
  55
  56   // fixup_aarch64_pcrel_branch26 - The high 26 bits of a 28-bit pc-relative
  57   // immediate.
  58   fixup_aarch64_pcrel_branch26,
  59
  60   // fixup_aarch64_pcrel_call26 - The high 26 bits of a 28-bit pc-relative
  61   // immediate. Distinguished from branch26 only on ELF.
  62   fixup_aarch64_pcrel_call26,
  63
  64   // fixup_aarch64_tlsdesc_call - zero-space placeholder for the ELF
  65   // R_AARCH64_TLSDESC_CALL relocation.
  66   fixup_aarch64_tlsdesc_call,
  67
  68   // Marker
  69   LastTargetFixupKind,
  70   NumTargetFixupKinds = LastTargetFixupKind - FirstTargetFixupKind
  71 };
  72
  73 } // end namespace AArch64
  74 } // end namespace llvm
  75
  76 #endif