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llvm-mirror/lib/Target/M68k/MCTargetDesc/M68kFixupKinds.h
Min-Yih Hsu c693335922 [M68k](4/8) MC layer and object file support
- Add the M68k-specific MC layer implementation
 - Add ELF support for M68k
 - Add M68k-specifc CC and reloc

TODO: Currently AsmParser and disassembler are not implemented yet.
Please use this bug to track the status:
https://bugs.llvm.org/show_bug.cgi?id=48976

Authors: myhsu, m4yers, glaubitz

Differential Revision: https://reviews.llvm.org/D88390
2021-03-08 12:30:57 -08:00

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//===-- M68kFixupKinds.h - M68k Specific Fixup Entries ------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file contains M68k specific fixup entries.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_M68k_MCTARGETDESC_M68kFIXUPKINDS_H
#define LLVM_LIB_TARGET_M68k_MCTARGETDESC_M68kFIXUPKINDS_H
#include "llvm/MC/MCFixup.h"
namespace llvm {
static inline unsigned getFixupKindLog2Size(unsigned Kind) {
switch (Kind) {
case FK_PCRel_1:
case FK_SecRel_1:
case FK_Data_1:
return 0;
case FK_PCRel_2:
case FK_SecRel_2:
case FK_Data_2:
return 1;
case FK_PCRel_4:
case FK_SecRel_4:
case FK_Data_4:
return 2;
}
llvm_unreachable("invalid fixup kind!");
}
static inline MCFixupKind getFixupForSize(unsigned Size, bool isPCRel) {
switch (Size) {
case 8:
return isPCRel ? FK_PCRel_1 : FK_Data_1;
case 16:
return isPCRel ? FK_PCRel_2 : FK_Data_2;
case 32:
return isPCRel ? FK_PCRel_4 : FK_Data_4;
case 64:
return isPCRel ? FK_PCRel_8 : FK_Data_8;
}
llvm_unreachable("Invalid generic fixup size!");
}
} // namespace llvm
#endif