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      1 //===-- MCAsmBackend.cpp - Target MC Assembly Backend ----------------------==//
      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 #include "llvm/MC/MCAsmBackend.h"
     11 #include "llvm/ADT/STLExtras.h"
     12 #include "llvm/MC/MCFixupKindInfo.h"
     13 using namespace llvm;
     14 
     15 MCAsmBackend::MCAsmBackend() : HasDataInCodeSupport(false) {}
     16 
     17 MCAsmBackend::~MCAsmBackend() {}
     18 
     19 const MCFixupKindInfo &
     20 MCAsmBackend::getFixupKindInfo(MCFixupKind Kind) const {
     21   static const MCFixupKindInfo Builtins[] = {
     22     { "FK_Data_1",  0,  8, 0 },
     23     { "FK_Data_2",  0, 16, 0 },
     24     { "FK_Data_4",  0, 32, 0 },
     25     { "FK_Data_8",  0, 64, 0 },
     26     { "FK_PCRel_1", 0,  8, MCFixupKindInfo::FKF_IsPCRel },
     27     { "FK_PCRel_2", 0, 16, MCFixupKindInfo::FKF_IsPCRel },
     28     { "FK_PCRel_4", 0, 32, MCFixupKindInfo::FKF_IsPCRel },
     29     { "FK_PCRel_8", 0, 64, MCFixupKindInfo::FKF_IsPCRel },
     30     { "FK_GPRel_1", 0,  8, 0 },
     31     { "FK_GPRel_2", 0, 16, 0 },
     32     { "FK_GPRel_4", 0, 32, 0 },
     33     { "FK_GPRel_8", 0, 64, 0 },
     34     { "FK_SecRel_1", 0,  8, 0 },
     35     { "FK_SecRel_2", 0, 16, 0 },
     36     { "FK_SecRel_4", 0, 32, 0 },
     37     { "FK_SecRel_8", 0, 64, 0 }
     38   };
     39 
     40   assert((size_t)Kind <= array_lengthof(Builtins) && "Unknown fixup kind");
     41   return Builtins[Kind];
     42 }
     43