211 lines
6.7 KiB
Diff
211 lines
6.7 KiB
Diff
Pull in r198029 from upstream llvm trunk (by Venkatraman Govindaraju):
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[Sparc] Add target specific MCExpr class to handle sparc specific modifiers like %hi, %lo, etc.,
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Introduced here: http://svnweb.freebsd.org/changeset/base/262261
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Index: lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp
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===================================================================
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--- lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp
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+++ lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp
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@@ -0,0 +1,84 @@
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+//===-- SparcMCExpr.cpp - Sparc specific MC expression classes --------===//
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+//
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+// The LLVM Compiler Infrastructure
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+//
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+// This file is distributed under the University of Illinois Open Source
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+// License. See LICENSE.TXT for details.
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+//
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+//===----------------------------------------------------------------------===//
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+//
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+// This file contains the implementation of the assembly expression modifiers
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+// accepted by the Sparc architecture (e.g. "%hi", "%lo", ...).
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+//
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+//===----------------------------------------------------------------------===//
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+
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+#define DEBUG_TYPE "sparcmcexpr"
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+#include "SparcMCExpr.h"
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+#include "llvm/MC/MCContext.h"
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+#include "llvm/MC/MCAssembler.h"
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+#include "llvm/MC/MCELF.h"
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+#include "llvm/Object/ELF.h"
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+
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+
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+using namespace llvm;
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+
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+const SparcMCExpr*
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+SparcMCExpr::Create(VariantKind Kind, const MCExpr *Expr,
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+ MCContext &Ctx) {
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+ return new (Ctx) SparcMCExpr(Kind, Expr);
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+}
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+
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+
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+void SparcMCExpr::PrintImpl(raw_ostream &OS) const
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+{
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+ bool closeParen = true;
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+ switch (Kind) {
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+ case VK_Sparc_None: closeParen = false; break;
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+ case VK_Sparc_LO: OS << "%lo("; break;
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+ case VK_Sparc_HI: OS << "%hi("; break;
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+ case VK_Sparc_H44: OS << "%h44("; break;
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+ case VK_Sparc_M44: OS << "%m44("; break;
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+ case VK_Sparc_L44: OS << "%l44("; break;
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+ case VK_Sparc_HH: OS << "%hh("; break;
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+ case VK_Sparc_HM: OS << "%hm("; break;
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+ case VK_Sparc_TLS_GD_HI22: OS << "%tgd_hi22("; break;
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+ case VK_Sparc_TLS_GD_LO10: OS << "%tgd_lo10("; break;
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+ case VK_Sparc_TLS_GD_ADD: OS << "%tgd_add("; break;
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+ case VK_Sparc_TLS_GD_CALL: OS << "%tgd_call("; break;
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+ case VK_Sparc_TLS_LDM_HI22: OS << "%tldm_hi22("; break;
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+ case VK_Sparc_TLS_LDM_LO10: OS << "%tldm_lo10("; break;
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+ case VK_Sparc_TLS_LDM_ADD: OS << "%tldm_add("; break;
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+ case VK_Sparc_TLS_LDM_CALL: OS << "%tldm_call("; break;
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+ case VK_Sparc_TLS_LDO_HIX22: OS << "%tldo_hix22("; break;
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+ case VK_Sparc_TLS_LDO_LOX10: OS << "%tldo_lox10("; break;
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+ case VK_Sparc_TLS_LDO_ADD: OS << "%tldo_add("; break;
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+ case VK_Sparc_TLS_IE_HI22: OS << "%tie_hi22("; break;
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+ case VK_Sparc_TLS_IE_LO10: OS << "%tie_lo10("; break;
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+ case VK_Sparc_TLS_IE_LD: OS << "%tie_ld("; break;
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+ case VK_Sparc_TLS_IE_LDX: OS << "%tie_ldx("; break;
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+ case VK_Sparc_TLS_IE_ADD: OS << "%tie_add("; break;
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+ case VK_Sparc_TLS_LE_HIX22: OS << "%tle_hix22("; break;
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+ case VK_Sparc_TLS_LE_LOX10: OS << "%tle_lox10("; break;
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+ }
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+
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+ const MCExpr *Expr = getSubExpr();
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+ Expr->print(OS);
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+ if (closeParen)
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+ OS << ')';
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+}
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+
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+bool
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+SparcMCExpr::EvaluateAsRelocatableImpl(MCValue &Res,
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+ const MCAsmLayout *Layout) const {
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+ assert(0 && "FIXME: Implement SparcMCExpr::EvaluateAsRelocatableImpl");
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+ return getSubExpr()->EvaluateAsRelocatable(Res, *Layout);
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+}
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+
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+
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+void SparcMCExpr::fixELFSymbolsInTLSFixups(MCAssembler &Asm) const {
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+ assert(0 && "FIXME: Implement SparcMCExpr::fixELFSymbolsInTLSFixups");
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+}
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+
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+void SparcMCExpr::AddValueSymbols(MCAssembler *Asm) const {
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+ assert(0 && "FIXME: Implement SparcMCExpr::AddValueSymbols");
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+}
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Index: lib/Target/Sparc/MCTargetDesc/CMakeLists.txt
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===================================================================
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--- lib/Target/Sparc/MCTargetDesc/CMakeLists.txt
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+++ lib/Target/Sparc/MCTargetDesc/CMakeLists.txt
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@@ -1,6 +1,7 @@
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add_llvm_library(LLVMSparcDesc
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SparcMCTargetDesc.cpp
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SparcMCAsmInfo.cpp
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+ SparcMCExpr.cpp
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)
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add_dependencies(LLVMSparcDesc SparcCommonTableGen)
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Index: lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h
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===================================================================
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--- lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h
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+++ lib/Target/Sparc/MCTargetDesc/SparcMCExpr.h
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@@ -0,0 +1,98 @@
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+//====- SparcMCExpr.h - Sparc specific MC expression classes --*- C++ -*-=====//
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+//
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+// The LLVM Compiler Infrastructure
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+//
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+// This file is distributed under the University of Illinois Open Source
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+// License. See LICENSE.TXT for details.
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+//
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+//===----------------------------------------------------------------------===//
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+//
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+// This file describes Sparc-specific MCExprs, used for modifiers like
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+// "%hi" or "%lo" etc.,
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+//
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+//===----------------------------------------------------------------------===//
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+
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+#ifndef LLVM_SPARCMCEXPR_H
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+#define LLVM_SPARCMCEXPR_H
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+
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+#include "llvm/MC/MCExpr.h"
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+
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+namespace llvm {
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+
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+class SparcMCExpr : public MCTargetExpr {
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+public:
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+ enum VariantKind {
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+ VK_Sparc_None,
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+ VK_Sparc_LO,
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+ VK_Sparc_HI,
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+ VK_Sparc_H44,
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+ VK_Sparc_M44,
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+ VK_Sparc_L44,
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+ VK_Sparc_HH,
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+ VK_Sparc_HM,
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+ VK_Sparc_TLS_GD_HI22,
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+ VK_Sparc_TLS_GD_LO10,
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+ VK_Sparc_TLS_GD_ADD,
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+ VK_Sparc_TLS_GD_CALL,
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+ VK_Sparc_TLS_LDM_HI22,
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+ VK_Sparc_TLS_LDM_LO10,
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+ VK_Sparc_TLS_LDM_ADD,
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+ VK_Sparc_TLS_LDM_CALL,
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+ VK_Sparc_TLS_LDO_HIX22,
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+ VK_Sparc_TLS_LDO_LOX10,
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+ VK_Sparc_TLS_LDO_ADD,
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+ VK_Sparc_TLS_IE_HI22,
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+ VK_Sparc_TLS_IE_LO10,
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+ VK_Sparc_TLS_IE_LD,
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+ VK_Sparc_TLS_IE_LDX,
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+ VK_Sparc_TLS_IE_ADD,
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+ VK_Sparc_TLS_LE_HIX22,
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+ VK_Sparc_TLS_LE_LOX10
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+ };
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+
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+private:
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+ const VariantKind Kind;
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+ const MCExpr *Expr;
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+
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+ explicit SparcMCExpr(VariantKind _Kind, const MCExpr *_Expr)
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+ : Kind(_Kind), Expr(_Expr) {}
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+
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+public:
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+ /// @name Construction
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+ /// @{
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+
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+ static const SparcMCExpr *Create(VariantKind Kind, const MCExpr *Expr,
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+ MCContext &Ctx);
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+ /// @}
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+ /// @name Accessors
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+ /// @{
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+
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+ /// getOpcode - Get the kind of this expression.
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+ VariantKind getKind() const { return Kind; }
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+
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+ /// getSubExpr - Get the child of this expression.
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+ const MCExpr *getSubExpr() const { return Expr; }
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+
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+ /// @}
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+ void PrintImpl(raw_ostream &OS) const;
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+ bool EvaluateAsRelocatableImpl(MCValue &Res,
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+ const MCAsmLayout *Layout) const;
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+ void AddValueSymbols(MCAssembler *) const;
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+ const MCSection *FindAssociatedSection() const {
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+ return getSubExpr()->FindAssociatedSection();
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+ }
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+
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+ void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const;
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+
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+ static bool classof(const MCExpr *E) {
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+ return E->getKind() == MCExpr::Target;
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+ }
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+
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+ static bool classof(const SparcMCExpr *) { return true; }
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+
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+
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+};
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+
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+} // end namespace llvm.
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+
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+#endif
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