89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
//===-- VEMCExpr.cpp - VE specific MC expression classes ------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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 VE architecture (e.g. "%hi", "%lo", ...).
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//
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//===----------------------------------------------------------------------===//
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#include "VEMCExpr.h"
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#include "llvm/BinaryFormat/ELF.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCAssembler.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCObjectStreamer.h"
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#include "llvm/MC/MCSymbolELF.h"
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#include "llvm/MC/MCValue.h"
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#include "llvm/Support/Casting.h"
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using namespace llvm;
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#define DEBUG_TYPE "vemcexpr"
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const VEMCExpr *VEMCExpr::create(Specifier Kind, const MCExpr *Expr,
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MCContext &Ctx) {
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return new (Ctx) VEMCExpr(Kind, Expr);
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}
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void VEMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
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const MCExpr *Expr = getSubExpr();
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Expr->print(OS, MAI);
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if (specifier != VK_None && specifier != VK_REFLONG)
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OS << '@' << MAI->getSpecifierName(specifier);
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}
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VE::Fixups VEMCExpr::getFixupKind(VEMCExpr::Specifier S) {
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switch (S) {
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default:
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llvm_unreachable("Unhandled VEMCExpr::Specifier");
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case VK_REFLONG:
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return VE::fixup_ve_reflong;
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case VK_HI32:
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return VE::fixup_ve_hi32;
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case VK_LO32:
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return VE::fixup_ve_lo32;
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case VK_PC_HI32:
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return VE::fixup_ve_pc_hi32;
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case VK_PC_LO32:
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return VE::fixup_ve_pc_lo32;
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case VK_GOT_HI32:
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return VE::fixup_ve_got_hi32;
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case VK_GOT_LO32:
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return VE::fixup_ve_got_lo32;
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case VK_GOTOFF_HI32:
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return VE::fixup_ve_gotoff_hi32;
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case VK_GOTOFF_LO32:
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return VE::fixup_ve_gotoff_lo32;
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case VK_PLT_HI32:
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return VE::fixup_ve_plt_hi32;
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case VK_PLT_LO32:
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return VE::fixup_ve_plt_lo32;
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case VK_TLS_GD_HI32:
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return VE::fixup_ve_tls_gd_hi32;
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case VK_TLS_GD_LO32:
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return VE::fixup_ve_tls_gd_lo32;
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case VK_TPOFF_HI32:
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return VE::fixup_ve_tpoff_hi32;
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case VK_TPOFF_LO32:
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return VE::fixup_ve_tpoff_lo32;
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}
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}
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bool VEMCExpr::evaluateAsRelocatableImpl(MCValue &Res,
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const MCAssembler *Asm) const {
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if (!getSubExpr()->evaluateAsRelocatable(Res, Asm))
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return false;
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Res.setSpecifier(specifier);
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return true;
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}
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void VEMCExpr::visitUsedExpr(MCStreamer &Streamer) const {
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Streamer.visitUsedExpr(*getSubExpr());
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}
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