diff options
Diffstat (limited to 'contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp')
| -rw-r--r-- | contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp b/contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp deleted file mode 100644 index 00f319fc37e1..000000000000 --- a/contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp +++ /dev/null @@ -1,236 +0,0 @@ -//===-- SparcMCExpr.cpp - Sparc specific MC expression classes --------===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// -// -// This file contains the implementation of the assembly expression modifiers -// accepted by the Sparc architecture (e.g. "%hi", "%lo", ...). -// -//===----------------------------------------------------------------------===// - -#include "SparcMCExpr.h" -#include "llvm/BinaryFormat/ELF.h" -#include "llvm/MC/MCAssembler.h" -#include "llvm/MC/MCContext.h" -#include "llvm/MC/MCObjectStreamer.h" -#include "llvm/MC/MCSymbolELF.h" - -using namespace llvm; - -#define DEBUG_TYPE "sparcmcexpr" - -const SparcMCExpr* -SparcMCExpr::create(VariantKind Kind, const MCExpr *Expr, - MCContext &Ctx) { - return new (Ctx) SparcMCExpr(Kind, Expr); -} - -void SparcMCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const { - - bool closeParen = printVariantKind(OS, Kind); - - const MCExpr *Expr = getSubExpr(); - Expr->print(OS, MAI); - - if (closeParen) - OS << ')'; -} - -bool SparcMCExpr::printVariantKind(raw_ostream &OS, VariantKind Kind) -{ - 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; - // FIXME: use %pc22/%pc10, if system assembler supports them. - case VK_Sparc_PC22: OS << "%hi("; break; - case VK_Sparc_PC10: OS << "%lo("; break; - // FIXME: use %got22/%got10, if system assembler supports them. - case VK_Sparc_GOT22: OS << "%hi("; break; - case VK_Sparc_GOT10: OS << "%lo("; break; - case VK_Sparc_GOT13: closeParen = false; break; - case VK_Sparc_13: closeParen = false; break; - case VK_Sparc_WPLT30: closeParen = false; break; - case VK_Sparc_R_DISP32: OS << "%r_disp32("; 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; - } - return closeParen; -} - -SparcMCExpr::VariantKind SparcMCExpr::parseVariantKind(StringRef name) -{ - return StringSwitch<SparcMCExpr::VariantKind>(name) - .Case("lo", VK_Sparc_LO) - .Case("hi", VK_Sparc_HI) - .Case("h44", VK_Sparc_H44) - .Case("m44", VK_Sparc_M44) - .Case("l44", VK_Sparc_L44) - .Case("hh", VK_Sparc_HH) - .Case("hm", VK_Sparc_HM) - .Case("pc22", VK_Sparc_PC22) - .Case("pc10", VK_Sparc_PC10) - .Case("got22", VK_Sparc_GOT22) - .Case("got10", VK_Sparc_GOT10) - .Case("got13", VK_Sparc_GOT13) - .Case("r_disp32", VK_Sparc_R_DISP32) - .Case("tgd_hi22", VK_Sparc_TLS_GD_HI22) - .Case("tgd_lo10", VK_Sparc_TLS_GD_LO10) - .Case("tgd_add", VK_Sparc_TLS_GD_ADD) - .Case("tgd_call", VK_Sparc_TLS_GD_CALL) - .Case("tldm_hi22", VK_Sparc_TLS_LDM_HI22) - .Case("tldm_lo10", VK_Sparc_TLS_LDM_LO10) - .Case("tldm_add", VK_Sparc_TLS_LDM_ADD) - .Case("tldm_call", VK_Sparc_TLS_LDM_CALL) - .Case("tldo_hix22", VK_Sparc_TLS_LDO_HIX22) - .Case("tldo_lox10", VK_Sparc_TLS_LDO_LOX10) - .Case("tldo_add", VK_Sparc_TLS_LDO_ADD) - .Case("tie_hi22", VK_Sparc_TLS_IE_HI22) - .Case("tie_lo10", VK_Sparc_TLS_IE_LO10) - .Case("tie_ld", VK_Sparc_TLS_IE_LD) - .Case("tie_ldx", VK_Sparc_TLS_IE_LDX) - .Case("tie_add", VK_Sparc_TLS_IE_ADD) - .Case("tle_hix22", VK_Sparc_TLS_LE_HIX22) - .Case("tle_lox10", VK_Sparc_TLS_LE_LOX10) - .Default(VK_Sparc_None); -} - -Sparc::Fixups SparcMCExpr::getFixupKind(SparcMCExpr::VariantKind Kind) { - switch (Kind) { - default: llvm_unreachable("Unhandled SparcMCExpr::VariantKind"); - case VK_Sparc_LO: return Sparc::fixup_sparc_lo10; - case VK_Sparc_HI: return Sparc::fixup_sparc_hi22; - case VK_Sparc_H44: return Sparc::fixup_sparc_h44; - case VK_Sparc_M44: return Sparc::fixup_sparc_m44; - case VK_Sparc_L44: return Sparc::fixup_sparc_l44; - case VK_Sparc_HH: return Sparc::fixup_sparc_hh; - case VK_Sparc_HM: return Sparc::fixup_sparc_hm; - case VK_Sparc_PC22: return Sparc::fixup_sparc_pc22; - case VK_Sparc_PC10: return Sparc::fixup_sparc_pc10; - case VK_Sparc_GOT22: return Sparc::fixup_sparc_got22; - case VK_Sparc_GOT10: return Sparc::fixup_sparc_got10; - case VK_Sparc_GOT13: return Sparc::fixup_sparc_got13; - case VK_Sparc_13: return Sparc::fixup_sparc_13; - case VK_Sparc_WPLT30: return Sparc::fixup_sparc_wplt30; - case VK_Sparc_TLS_GD_HI22: return Sparc::fixup_sparc_tls_gd_hi22; - case VK_Sparc_TLS_GD_LO10: return Sparc::fixup_sparc_tls_gd_lo10; - case VK_Sparc_TLS_GD_ADD: return Sparc::fixup_sparc_tls_gd_add; - case VK_Sparc_TLS_GD_CALL: return Sparc::fixup_sparc_tls_gd_call; - case VK_Sparc_TLS_LDM_HI22: return Sparc::fixup_sparc_tls_ldm_hi22; - case VK_Sparc_TLS_LDM_LO10: return Sparc::fixup_sparc_tls_ldm_lo10; - case VK_Sparc_TLS_LDM_ADD: return Sparc::fixup_sparc_tls_ldm_add; - case VK_Sparc_TLS_LDM_CALL: return Sparc::fixup_sparc_tls_ldm_call; - case VK_Sparc_TLS_LDO_HIX22: return Sparc::fixup_sparc_tls_ldo_hix22; - case VK_Sparc_TLS_LDO_LOX10: return Sparc::fixup_sparc_tls_ldo_lox10; - case VK_Sparc_TLS_LDO_ADD: return Sparc::fixup_sparc_tls_ldo_add; - case VK_Sparc_TLS_IE_HI22: return Sparc::fixup_sparc_tls_ie_hi22; - case VK_Sparc_TLS_IE_LO10: return Sparc::fixup_sparc_tls_ie_lo10; - case VK_Sparc_TLS_IE_LD: return Sparc::fixup_sparc_tls_ie_ld; - case VK_Sparc_TLS_IE_LDX: return Sparc::fixup_sparc_tls_ie_ldx; - case VK_Sparc_TLS_IE_ADD: return Sparc::fixup_sparc_tls_ie_add; - case VK_Sparc_TLS_LE_HIX22: return Sparc::fixup_sparc_tls_le_hix22; - case VK_Sparc_TLS_LE_LOX10: return Sparc::fixup_sparc_tls_le_lox10; - } -} - -bool -SparcMCExpr::evaluateAsRelocatableImpl(MCValue &Res, - const MCAsmLayout *Layout, - const MCFixup *Fixup) const { - return getSubExpr()->evaluateAsRelocatable(Res, Layout, Fixup); -} - -static void fixELFSymbolsInTLSFixupsImpl(const MCExpr *Expr, MCAssembler &Asm) { - switch (Expr->getKind()) { - case MCExpr::Target: - llvm_unreachable("Can't handle nested target expr!"); - break; - - case MCExpr::Constant: - break; - - case MCExpr::Binary: { - const MCBinaryExpr *BE = cast<MCBinaryExpr>(Expr); - fixELFSymbolsInTLSFixupsImpl(BE->getLHS(), Asm); - fixELFSymbolsInTLSFixupsImpl(BE->getRHS(), Asm); - break; - } - - case MCExpr::SymbolRef: { - const MCSymbolRefExpr &SymRef = *cast<MCSymbolRefExpr>(Expr); - cast<MCSymbolELF>(SymRef.getSymbol()).setType(ELF::STT_TLS); - break; - } - - case MCExpr::Unary: - fixELFSymbolsInTLSFixupsImpl(cast<MCUnaryExpr>(Expr)->getSubExpr(), Asm); - break; - } - -} - -void SparcMCExpr::fixELFSymbolsInTLSFixups(MCAssembler &Asm) const { - switch(getKind()) { - default: return; - case VK_Sparc_TLS_GD_CALL: - case VK_Sparc_TLS_LDM_CALL: { - // The corresponding relocations reference __tls_get_addr, as they call it, - // but this is only implicit; we must explicitly add it to our symbol table - // to bind it for these uses. - MCSymbol *Symbol = Asm.getContext().getOrCreateSymbol("__tls_get_addr"); - Asm.registerSymbol(*Symbol); - auto ELFSymbol = cast<MCSymbolELF>(Symbol); - if (!ELFSymbol->isBindingSet()) { - ELFSymbol->setBinding(ELF::STB_GLOBAL); - ELFSymbol->setExternal(true); - } - LLVM_FALLTHROUGH; - } - case VK_Sparc_TLS_GD_HI22: - case VK_Sparc_TLS_GD_LO10: - case VK_Sparc_TLS_GD_ADD: - case VK_Sparc_TLS_LDM_HI22: - case VK_Sparc_TLS_LDM_LO10: - case VK_Sparc_TLS_LDM_ADD: - case VK_Sparc_TLS_LDO_HIX22: - case VK_Sparc_TLS_LDO_LOX10: - case VK_Sparc_TLS_LDO_ADD: - case VK_Sparc_TLS_IE_HI22: - case VK_Sparc_TLS_IE_LO10: - case VK_Sparc_TLS_IE_LD: - case VK_Sparc_TLS_IE_LDX: - case VK_Sparc_TLS_IE_ADD: - case VK_Sparc_TLS_LE_HIX22: - case VK_Sparc_TLS_LE_LOX10: break; - } - fixELFSymbolsInTLSFixupsImpl(getSubExpr(), Asm); -} - -void SparcMCExpr::visitUsedExpr(MCStreamer &Streamer) const { - Streamer.visitUsedExpr(*getSubExpr()); -} |