[llvm] r198029 - [Sparc] Add target specific MCExpr class to handle sparc specific modifiers like %hi, %lo, etc.,
Venkatraman Govindaraju
venkatra at cs.wisc.edu
Wed Dec 25 16:01:52 PST 2013
Author: venkatra
Date: Wed Dec 25 18:01:52 2013
New Revision: 198029
URL: http://llvm.org/viewvc/llvm-project?rev=198029&view=rev
Log:
[Sparc] Add target specific MCExpr class to handle sparc specific modifiers like %hi, %lo, etc.,
Added:
llvm/trunk/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp
llvm/trunk/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h
Modified:
llvm/trunk/lib/Target/Sparc/MCTargetDesc/CMakeLists.txt
Modified: llvm/trunk/lib/Target/Sparc/MCTargetDesc/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/MCTargetDesc/CMakeLists.txt?rev=198029&r1=198028&r2=198029&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Sparc/MCTargetDesc/CMakeLists.txt (original)
+++ llvm/trunk/lib/Target/Sparc/MCTargetDesc/CMakeLists.txt Wed Dec 25 18:01:52 2013
@@ -1,4 +1,5 @@
add_llvm_library(LLVMSparcDesc
SparcMCTargetDesc.cpp
SparcMCAsmInfo.cpp
+ SparcMCExpr.cpp
)
Added: llvm/trunk/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp?rev=198029&view=auto
==============================================================================
--- llvm/trunk/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp (added)
+++ llvm/trunk/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp Wed Dec 25 18:01:52 2013
@@ -0,0 +1,84 @@
+//===-- 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");
+}
Added: llvm/trunk/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h?rev=198029&view=auto
==============================================================================
--- llvm/trunk/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h (added)
+++ llvm/trunk/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h Wed Dec 25 18:01:52 2013
@@ -0,0 +1,98 @@
+//====- 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
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