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      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
     77