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[Sparc] Add target specific MCExpr class to handle sparc specific modifiers like %hi, %lo, etc.,

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198029 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Venkatraman Govindaraju 2013-12-26 00:01:52 +00:00
parent dec96eaecf
commit f3aeebf4c7
3 changed files with 183 additions and 0 deletions
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1
lib/Target/Sparc/MCTargetDesc/CMakeLists.txt
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@ -1,4 +1,5 @@
add_llvm_library(LLVMSparcDesc
SparcMCTargetDesc.cpp
SparcMCAsmInfo.cpp
SparcMCExpr.cpp
)

84
lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp Normal file
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//===-- SparcMCExpr.cpp - Sparc specific MC expression classes --------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the implementation of the assembly expression modifiers
// accepted by the Sparc architecture (e.g. "%hi", "%lo", ...).
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "sparcmcexpr"
#include "SparcMCExpr.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCELF.h"
#include "llvm/Object/ELF.h"
using namespace llvm;
const SparcMCExpr*
SparcMCExpr::Create(VariantKind Kind, const MCExpr *Expr,
MCContext &Ctx) {
return new (Ctx) SparcMCExpr(Kind, Expr);
}
void SparcMCExpr::PrintImpl(raw_ostream &OS) const
{
bool closeParen = true;
switch (Kind) {
case VK_Sparc_None: closeParen = false; break;
case VK_Sparc_LO: OS << "%lo("; break;
case VK_Sparc_HI: OS << "%hi("; break;
case VK_Sparc_H44: OS << "%h44("; break;
case VK_Sparc_M44: OS << "%m44("; break;
case VK_Sparc_L44: OS << "%l44("; break;
case VK_Sparc_HH: OS << "%hh("; break;
case VK_Sparc_HM: OS << "%hm("; break;
case VK_Sparc_TLS_GD_HI22: OS << "%tgd_hi22("; break;
case VK_Sparc_TLS_GD_LO10: OS << "%tgd_lo10("; break;
case VK_Sparc_TLS_GD_ADD: OS << "%tgd_add("; break;
case VK_Sparc_TLS_GD_CALL: OS << "%tgd_call("; break;
case VK_Sparc_TLS_LDM_HI22: OS << "%tldm_hi22("; break;
case VK_Sparc_TLS_LDM_LO10: OS << "%tldm_lo10("; break;
case VK_Sparc_TLS_LDM_ADD: OS << "%tldm_add("; break;
case VK_Sparc_TLS_LDM_CALL: OS << "%tldm_call("; break;
case VK_Sparc_TLS_LDO_HIX22: OS << "%tldo_hix22("; break;
case VK_Sparc_TLS_LDO_LOX10: OS << "%tldo_lox10("; break;
case VK_Sparc_TLS_LDO_ADD: OS << "%tldo_add("; break;
case VK_Sparc_TLS_IE_HI22: OS << "%tie_hi22("; break;
case VK_Sparc_TLS_IE_LO10: OS << "%tie_lo10("; break;
case VK_Sparc_TLS_IE_LD: OS << "%tie_ld("; break;
case VK_Sparc_TLS_IE_LDX: OS << "%tie_ldx("; break;
case VK_Sparc_TLS_IE_ADD: OS << "%tie_add("; break;
case VK_Sparc_TLS_LE_HIX22: OS << "%tle_hix22("; break;
case VK_Sparc_TLS_LE_LOX10: OS << "%tle_lox10("; break;
}
const MCExpr *Expr = getSubExpr();
Expr->print(OS);
if (closeParen)
OS << ')';
}
bool
SparcMCExpr::EvaluateAsRelocatableImpl(MCValue &Res,
const MCAsmLayout *Layout) const {
assert(0 && "FIXME: Implement SparcMCExpr::EvaluateAsRelocatableImpl");
return getSubExpr()->EvaluateAsRelocatable(Res, *Layout);
}
void SparcMCExpr::fixELFSymbolsInTLSFixups(MCAssembler &Asm) const {
assert(0 && "FIXME: Implement SparcMCExpr::fixELFSymbolsInTLSFixups");
}
void SparcMCExpr::AddValueSymbols(MCAssembler *Asm) const {
assert(0 && "FIXME: Implement SparcMCExpr::AddValueSymbols");
}

98
lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h Normal file
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//====- SparcMCExpr.h - Sparc specific MC expression classes --*- C++ -*-=====//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file describes Sparc-specific MCExprs, used for modifiers like
// "%hi" or "%lo" etc.,
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SPARCMCEXPR_H
#define LLVM_SPARCMCEXPR_H
#include "llvm/MC/MCExpr.h"
namespace llvm {
class SparcMCExpr : public MCTargetExpr {
public:
enum VariantKind {
VK_Sparc_None,
VK_Sparc_LO,
VK_Sparc_HI,
VK_Sparc_H44,
VK_Sparc_M44,
VK_Sparc_L44,
VK_Sparc_HH,
VK_Sparc_HM,
VK_Sparc_TLS_GD_HI22,
VK_Sparc_TLS_GD_LO10,
VK_Sparc_TLS_GD_ADD,
VK_Sparc_TLS_GD_CALL,
VK_Sparc_TLS_LDM_HI22,
VK_Sparc_TLS_LDM_LO10,
VK_Sparc_TLS_LDM_ADD,
VK_Sparc_TLS_LDM_CALL,
VK_Sparc_TLS_LDO_HIX22,
VK_Sparc_TLS_LDO_LOX10,
VK_Sparc_TLS_LDO_ADD,
VK_Sparc_TLS_IE_HI22,
VK_Sparc_TLS_IE_LO10,
VK_Sparc_TLS_IE_LD,
VK_Sparc_TLS_IE_LDX,
VK_Sparc_TLS_IE_ADD,
VK_Sparc_TLS_LE_HIX22,
VK_Sparc_TLS_LE_LOX10
};
private:
const VariantKind Kind;
const MCExpr *Expr;
explicit SparcMCExpr(VariantKind _Kind, const MCExpr *_Expr)
: Kind(_Kind), Expr(_Expr) {}
public:
/// @name Construction
/// @{
static const SparcMCExpr *Create(VariantKind Kind, const MCExpr *Expr,
MCContext &Ctx);
/// @}
/// @name Accessors
/// @{
/// getOpcode - Get the kind of this expression.
VariantKind getKind() const { return Kind; }
/// getSubExpr - Get the child of this expression.
const MCExpr *getSubExpr() const { return Expr; }
/// @}
void PrintImpl(raw_ostream &OS) const;
bool EvaluateAsRelocatableImpl(MCValue &Res,
const MCAsmLayout *Layout) const;
void AddValueSymbols(MCAssembler *) const;
const MCSection *FindAssociatedSection() const {
return getSubExpr()->FindAssociatedSection();
}
void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const;
static bool classof(const MCExpr *E) {
return E->getKind() == MCExpr::Target;
}
static bool classof(const SparcMCExpr *) { return true; }
};
} // end namespace llvm.
#endif