lib/Target/ARM/ARMFixupKinds.h

   1 //===-- ARM/ARMFixupKinds.h - ARM 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_ARM_ARMFIXUPKINDS_H
  11 #define LLVM_ARM_ARMFIXUPKINDS_H
  12
  13 #include "llvm/MC/MCFixup.h"
  14
  15 namespace llvm {
  16 namespace ARM {
  17 enum Fixups {
  18   // fixup_arm_ldst_pcrel_12 - 12-bit PC relative relocation for symbol
  19   // addresses
  20   fixup_arm_ldst_pcrel_12 = FirstTargetFixupKind,
  21
  22   // fixup_t2_ldst_pcrel_12 - Equivalent to fixup_arm_ldst_pcrel_12, with
  23   // the 16-bit halfwords reordered.
  24   fixup_t2_ldst_pcrel_12,
  25
  26   // fixup_arm_pcrel_10 - 10-bit PC relative relocation for symbol addresses
  27   // used in VFP instructions where the lower 2 bits are not encoded
  28   // (so it's encoded as an 8-bit immediate).
  29   fixup_arm_pcrel_10,
  30   // fixup_t2_pcrel_10 - Equivalent to fixup_arm_pcrel_10, accounting for
  31   // the short-swapped encoding of Thumb2 instructions.
  32   fixup_t2_pcrel_10,
  33   // fixup_arm_adr_pcrel_12 - 12-bit PC relative relocation for the ADR
  34   // instruction.
  35   fixup_arm_adr_pcrel_12,
  36   // fixup_t2_adr_pcrel_12 - 12-bit PC relative relocation for the ADR
  37   // instruction.
  38   fixup_t2_adr_pcrel_12,
  39   // fixup_arm_branch - 24-bit PC relative relocation for direct branch
  40   // instructions.
  41   fixup_arm_branch,
  42   // fixup_t2_condbranch - 20-bit PC relative relocation for Thumb2 direct
  43   // uconditional branch instructions.
  44   fixup_t2_condbranch,
  45   // fixup_t2_uncondbranch - 20-bit PC relative relocation for Thumb2 direct
  46   // branch unconditional branch instructions.
  47   fixup_t2_uncondbranch,
  48
  49   // fixup_arm_thumb_br - 12-bit fixup for Thumb B instructions.
  50   fixup_arm_thumb_br,
  51
  52   // fixup_arm_thumb_blx - Fixup for Thumb BL instructions.
  53   fixup_arm_thumb_bl,
  54
  55   // fixup_arm_thumb_blx - Fixup for Thumb BLX instructions.
  56   fixup_arm_thumb_blx,
  57
  58   // fixup_arm_thumb_cb - Fixup for Thumb branch instructions.
  59   fixup_arm_thumb_cb,
  60
  61   // fixup_arm_thumb_cp - Fixup for Thumb load/store from constant pool instrs.
  62   fixup_arm_thumb_cp,
  63
  64   // fixup_arm_thumb_bcc - Fixup for Thumb load/store from constant pool instrs.
  65   fixup_arm_thumb_bcc,
  66
  67   // The next two are for the movt/movw pair
  68   // the 16bit imm field are split into imm{15-12} and imm{11-0}
  69   // Fixme: We need new ones for Thumb.
  70   fixup_arm_movt_hi16, // :upper16:
  71   fixup_arm_movw_lo16, // :lower16:
  72
  73   // Marker
  74   LastTargetFixupKind,
  75   NumTargetFixupKinds = LastTargetFixupKind - FirstTargetFixupKind
  76 };
  77 }
  78 }
  79
  80 #endif