forked from OSchip/llvm-project
227 lines
8.4 KiB
C++
227 lines
8.4 KiB
C++
//===-- 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", ...).
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "SparcMCExpr.h"
|
|
#include "llvm/MC/MCAssembler.h"
|
|
#include "llvm/MC/MCContext.h"
|
|
#include "llvm/MC/MCELF.h"
|
|
#include "llvm/MC/MCObjectStreamer.h"
|
|
#include "llvm/MC/MCSymbol.h"
|
|
#include "llvm/Object/ELF.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
|
|
{
|
|
|
|
bool closeParen = printVariantKind(OS, Kind);
|
|
|
|
const MCExpr *Expr = getSubExpr();
|
|
Expr->print(OS);
|
|
|
|
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_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("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_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);
|
|
MCSymbolData &SD = Asm.getOrCreateSymbolData(SymRef.getSymbol());
|
|
MCELF::SetType(SD, 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_HI22:
|
|
case VK_Sparc_TLS_GD_LO10:
|
|
case VK_Sparc_TLS_GD_ADD:
|
|
case VK_Sparc_TLS_GD_CALL:
|
|
case VK_Sparc_TLS_LDM_HI22:
|
|
case VK_Sparc_TLS_LDM_LO10:
|
|
case VK_Sparc_TLS_LDM_ADD:
|
|
case VK_Sparc_TLS_LDM_CALL:
|
|
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());
|
|
}
|