lib/Target/RISCV/MCTargetDesc/RISCVFixupKinds.h

   1 //===-- RISCVFixupKinds.h - RISCV Specific Fixup Entries --------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVFIXUPKINDS_H
  10 #define LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVFIXUPKINDS_H
  11
  12 #include "llvm/MC/MCFixup.h"
  13
  14 #undef RISCV
  15
  16 namespace llvm {
  17 namespace RISCV {
  18 enum Fixups {
  19   // fixup_riscv_hi20 - 20-bit fixup corresponding to hi(foo) for
  20   // instructions like lui
  21   fixup_riscv_hi20 = FirstTargetFixupKind,
  22   // fixup_riscv_lo12_i - 12-bit fixup corresponding to lo(foo) for
  23   // instructions like addi
  24   fixup_riscv_lo12_i,
  25   // fixup_riscv_lo12_s - 12-bit fixup corresponding to lo(foo) for
  26   // the S-type store instructions
  27   fixup_riscv_lo12_s,
  28   // fixup_riscv_pcrel_hi20 - 20-bit fixup corresponding to pcrel_hi(foo) for
  29   // instructions like auipc
  30   fixup_riscv_pcrel_hi20,
  31   // fixup_riscv_pcrel_lo12_i - 12-bit fixup corresponding to pcrel_lo(foo) for
  32   // instructions like addi
  33   fixup_riscv_pcrel_lo12_i,
  34   // fixup_riscv_pcrel_lo12_s - 12-bit fixup corresponding to pcrel_lo(foo) for
  35   // the S-type store instructions
  36   fixup_riscv_pcrel_lo12_s,
  37   // fixup_riscv_got_hi20 - 20-bit fixup corresponding to got_pcrel_hi(foo) for
  38   // instructions like auipc
  39   fixup_riscv_got_hi20,
  40   // fixup_riscv_tprel_hi20 - 20-bit fixup corresponding to tprel_hi(foo) for
  41   // instructions like lui
  42   fixup_riscv_tprel_hi20,
  43   // fixup_riscv_tprel_lo12_i - 12-bit fixup corresponding to tprel_lo(foo) for
  44   // instructions like addi
  45   fixup_riscv_tprel_lo12_i,
  46   // fixup_riscv_tprel_lo12_s - 12-bit fixup corresponding to tprel_lo(foo) for
  47   // the S-type store instructions
  48   fixup_riscv_tprel_lo12_s,
  49   // fixup_riscv_tprel_add - A fixup corresponding to %tprel_add(foo) for the
  50   // add_tls instruction. Used to provide a hint to the linker.
  51   fixup_riscv_tprel_add,
  52   // fixup_riscv_tls_got_hi20 - 20-bit fixup corresponding to
  53   // tls_ie_pcrel_hi(foo) for instructions like auipc
  54   fixup_riscv_tls_got_hi20,
  55   // fixup_riscv_tls_gd_hi20 - 20-bit fixup corresponding to
  56   // tls_gd_pcrel_hi(foo) for instructions like auipc
  57   fixup_riscv_tls_gd_hi20,
  58   // fixup_riscv_jal - 20-bit fixup for symbol references in the jal
  59   // instruction
  60   fixup_riscv_jal,
  61   // fixup_riscv_branch - 12-bit fixup for symbol references in the branch
  62   // instructions
  63   fixup_riscv_branch,
  64   // fixup_riscv_rvc_jump - 11-bit fixup for symbol references in the
  65   // compressed jump instruction
  66   fixup_riscv_rvc_jump,
  67   // fixup_riscv_rvc_branch - 8-bit fixup for symbol references in the
  68   // compressed branch instruction
  69   fixup_riscv_rvc_branch,
  70   // fixup_riscv_call - A fixup representing a call attached to the auipc
  71   // instruction in a pair composed of adjacent auipc+jalr instructions.
  72   fixup_riscv_call,
  73   // fixup_riscv_call_plt - A fixup representing a procedure linkage table call
  74   // attached to the auipc instruction in a pair composed of adjacent auipc+jalr
  75   // instructions.
  76   fixup_riscv_call_plt,
  77   // fixup_riscv_relax - Used to generate an R_RISCV_RELAX relocation type,
  78   // which indicates the linker may relax the instruction pair.
  79   fixup_riscv_relax,
  80   // fixup_riscv_align - Used to generate an R_RISCV_ALIGN relocation type,
  81   // which indicates the linker should fixup the alignment after linker
  82   // relaxation.
  83   fixup_riscv_align,
  84
  85   // fixup_riscv_invalid - used as a sentinel and a marker, must be last fixup
  86   fixup_riscv_invalid,
  87   NumTargetFixupKinds = fixup_riscv_invalid - FirstTargetFixupKind
  88 };
  89 } // end namespace RISCV
  90 } // end namespace llvm
  91
  92 #endif