static MCSymbolRefExpr::VariantKind getAccessVariant(const MCValue &Target,
const MCFixup &Fixup) {
const MCExpr *Expr = Fixup.getValue();
if (Expr->getKind() != MCExpr::Target)
return Target.getAccessVariant();
switch (cast<PPCMCExpr>(Expr)->getKind()) {
case PPCMCExpr::VK_PPC_None:
return MCSymbolRefExpr::VK_None;
case PPCMCExpr::VK_PPC_LO:
return MCSymbolRefExpr::VK_PPC_LO;
case PPCMCExpr::VK_PPC_HI:
return MCSymbolRefExpr::VK_PPC_HI;
case PPCMCExpr::VK_PPC_HA:
return MCSymbolRefExpr::VK_PPC_HA;
case PPCMCExpr::VK_PPC_HIGHERA:
return MCSymbolRefExpr::VK_PPC_HIGHERA;
case PPCMCExpr::VK_PPC_HIGHER:
return MCSymbolRefExpr::VK_PPC_HIGHER;
case PPCMCExpr::VK_PPC_HIGHEST:
return MCSymbolRefExpr::VK_PPC_HIGHEST;
case PPCMCExpr::VK_PPC_HIGHESTA:
return MCSymbolRefExpr::VK_PPC_HIGHESTA;
}
llvm_unreachable("unknown PPCMCExpr kind");
}
unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
const MCFixup &Fixup,
bool IsPCRel) const {
MCSymbolRefExpr::VariantKind Modifier = Target.getAccessVariant();
X86_64RelType Type = getType64(Fixup.getKind(), Modifier, IsPCRel);
if (getEMachine() == ELF::EM_X86_64)
return getRelocType64(Modifier, Type, IsPCRel);
assert(getEMachine() == ELF::EM_386 && "Unsupported ELF machine type.");
return getRelocType32(Modifier, getType32(Type), IsPCRel);
}
unsigned SystemZObjectWriter::getRelocType(MCContext &Ctx,
const MCValue &Target,
const MCFixup &Fixup,
bool IsPCRel) const {
MCSymbolRefExpr::VariantKind Modifier = Target.getAccessVariant();
unsigned Kind = Fixup.getKind();
switch (Modifier) {
case MCSymbolRefExpr::VK_None:
if (IsPCRel)
return getPCRelReloc(Kind);
return getAbsoluteReloc(Kind);
case MCSymbolRefExpr::VK_NTPOFF:
assert(!IsPCRel && "NTPOFF shouldn't be PC-relative");
return getTLSLEReloc(Kind);
case MCSymbolRefExpr::VK_INDNTPOFF:
if (IsPCRel && Kind == SystemZ::FK_390_PC32DBL)
return ELF::R_390_TLS_IEENT;
llvm_unreachable("Only PC-relative INDNTPOFF accesses are supported for now");
case MCSymbolRefExpr::VK_DTPOFF:
assert(!IsPCRel && "DTPOFF shouldn't be PC-relative");
return getTLSLDOReloc(Kind);
case MCSymbolRefExpr::VK_TLSLDM:
assert(!IsPCRel && "TLSLDM shouldn't be PC-relative");
return getTLSLDMReloc(Kind);
case MCSymbolRefExpr::VK_TLSGD:
assert(!IsPCRel && "TLSGD shouldn't be PC-relative");
return getTLSGDReloc(Kind);
case MCSymbolRefExpr::VK_GOT:
if (IsPCRel && Kind == SystemZ::FK_390_PC32DBL)
return ELF::R_390_GOTENT;
llvm_unreachable("Only PC-relative GOT accesses are supported for now");
case MCSymbolRefExpr::VK_PLT:
assert(IsPCRel && "@PLT shouldt be PC-relative");
return getPLTReloc(Kind);
default:
llvm_unreachable("Modifier not supported");
}
}
unsigned ARMELFObjectWriter::GetRelocTypeInner(const MCValue &Target,
const MCFixup &Fixup,
bool IsPCRel) const {
MCSymbolRefExpr::VariantKind Modifier = Target.getAccessVariant();
unsigned Type = 0;
if (IsPCRel) {
switch ((unsigned)Fixup.getKind()) {
default:
report_fatal_error("unsupported relocation on symbol");
return ELF::R_ARM_NONE;
case FK_Data_4:
switch (Modifier) {
default: llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_None:
Type = ELF::R_ARM_REL32;
break;
case MCSymbolRefExpr::VK_TLSGD:
llvm_unreachable("unimplemented");
case MCSymbolRefExpr::VK_GOTTPOFF:
Type = ELF::R_ARM_TLS_IE32;
break;
case MCSymbolRefExpr::VK_ARM_GOT_PREL:
Type = ELF::R_ARM_GOT_PREL;
break;
case MCSymbolRefExpr::VK_ARM_PREL31:
Type = ELF::R_ARM_PREL31;
break;
}
break;
case ARM::fixup_arm_blx:
case ARM::fixup_arm_uncondbl:
switch (Modifier) {
case MCSymbolRefExpr::VK_PLT:
Type = ELF::R_ARM_CALL;
break;
case MCSymbolRefExpr::VK_TLSCALL:
Type = ELF::R_ARM_TLS_CALL;
break;
default:
Type = ELF::R_ARM_CALL;
break;
}
break;
case ARM::fixup_arm_condbl:
case ARM::fixup_arm_condbranch:
case ARM::fixup_arm_uncondbranch:
Type = ELF::R_ARM_JUMP24;
break;
case ARM::fixup_t2_condbranch:
Type = ELF::R_ARM_THM_JUMP19;
break;
case ARM::fixup_t2_uncondbranch:
Type = ELF::R_ARM_THM_JUMP24;
break;
case ARM::fixup_arm_movt_hi16:
Type = ELF::R_ARM_MOVT_PREL;
break;
case ARM::fixup_arm_movw_lo16:
Type = ELF::R_ARM_MOVW_PREL_NC;
break;
case ARM::fixup_t2_movt_hi16:
Type = ELF::R_ARM_THM_MOVT_PREL;
break;
case ARM::fixup_t2_movw_lo16:
Type = ELF::R_ARM_THM_MOVW_PREL_NC;
break;
case ARM::fixup_arm_thumb_bl:
case ARM::fixup_arm_thumb_blx:
switch (Modifier) {
case MCSymbolRefExpr::VK_TLSCALL:
Type = ELF::R_ARM_THM_TLS_CALL;
break;
default:
Type = ELF::R_ARM_THM_CALL;
break;
}
break;
}
} else {
switch ((unsigned)Fixup.getKind()) {
default:
report_fatal_error("unsupported relocation on symbol");
return ELF::R_ARM_NONE;
case FK_Data_1:
switch (Modifier) {
default: llvm_unreachable("unsupported Modifier");
case MCSymbolRefExpr::VK_None:
Type = ELF::R_ARM_ABS8;
break;
}
break;
case FK_Data_2:
switch (Modifier) {
default: llvm_unreachable("unsupported modifier");
case MCSymbolRefExpr::VK_None:
Type = ELF::R_ARM_ABS16;
break;
}
break;
case FK_Data_4:
switch (Modifier) {
default: llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_ARM_NONE:
Type = ELF::R_ARM_NONE;
break;
case MCSymbolRefExpr::VK_GOT:
Type = ELF::R_ARM_GOT_BREL;
break;
case MCSymbolRefExpr::VK_TLSGD:
Type = ELF::R_ARM_TLS_GD32;
break;
case MCSymbolRefExpr::VK_TPOFF:
Type = ELF::R_ARM_TLS_LE32;
break;
case MCSymbolRefExpr::VK_GOTTPOFF:
Type = ELF::R_ARM_TLS_IE32;
break;
case MCSymbolRefExpr::VK_None:
Type = ELF::R_ARM_ABS32;
break;
case MCSymbolRefExpr::VK_GOTOFF:
Type = ELF::R_ARM_GOTOFF32;
break;
case MCSymbolRefExpr::VK_ARM_GOT_PREL:
Type = ELF::R_ARM_GOT_PREL;
break;
case MCSymbolRefExpr::VK_ARM_TARGET1:
Type = ELF::R_ARM_TARGET1;
break;
case MCSymbolRefExpr::VK_ARM_TARGET2:
Type = ELF::R_ARM_TARGET2;
break;
case MCSymbolRefExpr::VK_ARM_PREL31:
Type = ELF::R_ARM_PREL31;
break;
case MCSymbolRefExpr::VK_ARM_SBREL:
Type = ELF::R_ARM_SBREL32;
break;
case MCSymbolRefExpr::VK_ARM_TLSLDO:
Type = ELF::R_ARM_TLS_LDO32;
break;
case MCSymbolRefExpr::VK_TLSCALL:
Type = ELF::R_ARM_TLS_CALL;
break;
case MCSymbolRefExpr::VK_TLSDESC:
Type = ELF::R_ARM_TLS_GOTDESC;
break;
case MCSymbolRefExpr::VK_TLSLDM:
Type = ELF::R_ARM_TLS_LDM32;
break;
case MCSymbolRefExpr::VK_ARM_TLSDESCSEQ:
Type = ELF::R_ARM_TLS_DESCSEQ;
break;
}
break;
case ARM::fixup_arm_ldst_pcrel_12:
case ARM::fixup_arm_pcrel_10:
case ARM::fixup_arm_adr_pcrel_12:
case ARM::fixup_arm_thumb_bl:
case ARM::fixup_arm_thumb_cb:
case ARM::fixup_arm_thumb_cp:
case ARM::fixup_arm_thumb_br:
llvm_unreachable("Unimplemented");
case ARM::fixup_arm_condbranch:
case ARM::fixup_arm_uncondbranch:
Type = ELF::R_ARM_JUMP24;
break;
case ARM::fixup_arm_movt_hi16:
Type = ELF::R_ARM_MOVT_ABS;
break;
case ARM::fixup_arm_movw_lo16:
Type = ELF::R_ARM_MOVW_ABS_NC;
break;
case ARM::fixup_t2_movt_hi16:
Type = ELF::R_ARM_THM_MOVT_ABS;
break;
case ARM::fixup_t2_movw_lo16:
Type = ELF::R_ARM_THM_MOVW_ABS_NC;
break;
}
}
return Type;
}
unsigned AVRELFObjectWriter::getRelocType(MCContext &Ctx,
const MCValue &Target,
const MCFixup &Fixup,
bool IsPCRel) const {
MCSymbolRefExpr::VariantKind Modifier = Target.getAccessVariant();
switch ((unsigned) Fixup.getKind()) {
case FK_Data_1:
switch (Modifier) {
default:
llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_None:
return ELF::R_AVR_8;
case MCSymbolRefExpr::VK_AVR_DIFF8:
return ELF::R_AVR_DIFF8;
case MCSymbolRefExpr::VK_AVR_LO8:
return ELF::R_AVR_8_LO8;
case MCSymbolRefExpr::VK_AVR_HI8:
return ELF::R_AVR_8_HI8;
case MCSymbolRefExpr::VK_AVR_HLO8:
return ELF::R_AVR_8_HLO8;
}
case FK_Data_4:
switch (Modifier) {
default:
llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_None:
return ELF::R_AVR_32;
case MCSymbolRefExpr::VK_AVR_DIFF32:
return ELF::R_AVR_DIFF32;
}
case FK_Data_2:
switch (Modifier) {
default:
llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_None:
return ELF::R_AVR_16;
case MCSymbolRefExpr::VK_AVR_NONE:
return ELF::R_AVR_16_PM;
case MCSymbolRefExpr::VK_AVR_DIFF16:
return ELF::R_AVR_DIFF16;
}
case AVR::fixup_32:
return ELF::R_AVR_32;
case AVR::fixup_7_pcrel:
return ELF::R_AVR_7_PCREL;
case AVR::fixup_13_pcrel:
return ELF::R_AVR_13_PCREL;
case AVR::fixup_16:
return ELF::R_AVR_16;
case AVR::fixup_16_pm:
return ELF::R_AVR_16_PM;
case AVR::fixup_lo8_ldi:
return ELF::R_AVR_LO8_LDI;
case AVR::fixup_hi8_ldi:
return ELF::R_AVR_HI8_LDI;
case AVR::fixup_hh8_ldi:
return ELF::R_AVR_HH8_LDI;
case AVR::fixup_lo8_ldi_neg:
return ELF::R_AVR_LO8_LDI_NEG;
case AVR::fixup_hi8_ldi_neg:
return ELF::R_AVR_HI8_LDI_NEG;
case AVR::fixup_hh8_ldi_neg:
return ELF::R_AVR_HH8_LDI_NEG;
case AVR::fixup_lo8_ldi_pm:
return ELF::R_AVR_LO8_LDI_PM;
case AVR::fixup_hi8_ldi_pm:
return ELF::R_AVR_HI8_LDI_PM;
case AVR::fixup_hh8_ldi_pm:
return ELF::R_AVR_HH8_LDI_PM;
case AVR::fixup_lo8_ldi_pm_neg:
return ELF::R_AVR_LO8_LDI_PM_NEG;
case AVR::fixup_hi8_ldi_pm_neg:
return ELF::R_AVR_HI8_LDI_PM_NEG;
case AVR::fixup_hh8_ldi_pm_neg:
return ELF::R_AVR_HH8_LDI_PM_NEG;
case AVR::fixup_call:
return ELF::R_AVR_CALL;
case AVR::fixup_ldi:
return ELF::R_AVR_LDI;
case AVR::fixup_6:
return ELF::R_AVR_6;
case AVR::fixup_6_adiw:
return ELF::R_AVR_6_ADIW;
case AVR::fixup_ms8_ldi:
return ELF::R_AVR_MS8_LDI;
case AVR::fixup_ms8_ldi_neg:
return ELF::R_AVR_MS8_LDI_NEG;
case AVR::fixup_lo8_ldi_gs:
return ELF::R_AVR_LO8_LDI_GS;
case AVR::fixup_hi8_ldi_gs:
return ELF::R_AVR_HI8_LDI_GS;
case AVR::fixup_8:
return ELF::R_AVR_8;
case AVR::fixup_8_lo8:
return ELF::R_AVR_8_LO8;
case AVR::fixup_8_hi8:
return ELF::R_AVR_8_HI8;
case AVR::fixup_8_hlo8:
return ELF::R_AVR_8_HLO8;
case AVR::fixup_diff8:
return ELF::R_AVR_DIFF8;
case AVR::fixup_diff16:
return ELF::R_AVR_DIFF16;
case AVR::fixup_diff32:
return ELF::R_AVR_DIFF32;
case AVR::fixup_lds_sts_16:
return ELF::R_AVR_LDS_STS_16;
case AVR::fixup_port6:
return ELF::R_AVR_PORT6;
case AVR::fixup_port5:
return ELF::R_AVR_PORT5;
default:
llvm_unreachable("invalid fixup kind!");
}
}
unsigned ARMELFObjectWriter::GetRelocTypeInner(const MCValue &Target,
const MCFixup &Fixup,
bool IsPCRel,
MCContext &Ctx) const {
MCSymbolRefExpr::VariantKind Modifier = Target.getAccessVariant();
if (IsPCRel) {
switch ((unsigned)Fixup.getKind()) {
default:
Ctx.reportFatalError(Fixup.getLoc(), "unsupported relocation on symbol");
return ELF::R_ARM_NONE;
case FK_Data_4:
switch (Modifier) {
default:
llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_None:
return ELF::R_ARM_REL32;
case MCSymbolRefExpr::VK_GOTTPOFF:
return ELF::R_ARM_TLS_IE32;
case MCSymbolRefExpr::VK_ARM_GOT_PREL:
return ELF::R_ARM_GOT_PREL;
case MCSymbolRefExpr::VK_ARM_PREL31:
return ELF::R_ARM_PREL31;
}
case ARM::fixup_arm_blx:
case ARM::fixup_arm_uncondbl:
switch (Modifier) {
case MCSymbolRefExpr::VK_PLT:
return ELF::R_ARM_CALL;
case MCSymbolRefExpr::VK_TLSCALL:
return ELF::R_ARM_TLS_CALL;
default:
return ELF::R_ARM_CALL;
}
case ARM::fixup_arm_condbl:
case ARM::fixup_arm_condbranch:
case ARM::fixup_arm_uncondbranch:
return ELF::R_ARM_JUMP24;
case ARM::fixup_t2_condbranch:
return ELF::R_ARM_THM_JUMP19;
case ARM::fixup_t2_uncondbranch:
return ELF::R_ARM_THM_JUMP24;
case ARM::fixup_arm_movt_hi16:
return ELF::R_ARM_MOVT_PREL;
case ARM::fixup_arm_movw_lo16:
return ELF::R_ARM_MOVW_PREL_NC;
case ARM::fixup_t2_movt_hi16:
return ELF::R_ARM_THM_MOVT_PREL;
case ARM::fixup_t2_movw_lo16:
return ELF::R_ARM_THM_MOVW_PREL_NC;
case ARM::fixup_arm_thumb_br:
return ELF::R_ARM_THM_JUMP11;
case ARM::fixup_arm_thumb_bcc:
return ELF::R_ARM_THM_JUMP8;
case ARM::fixup_arm_thumb_bl:
case ARM::fixup_arm_thumb_blx:
switch (Modifier) {
case MCSymbolRefExpr::VK_TLSCALL:
return ELF::R_ARM_THM_TLS_CALL;
default:
return ELF::R_ARM_THM_CALL;
}
}
}
switch ((unsigned)Fixup.getKind()) {
default:
Ctx.reportFatalError(Fixup.getLoc(), "unsupported relocation on symbol");
return ELF::R_ARM_NONE;
case FK_Data_1:
switch (Modifier) {
default:
llvm_unreachable("unsupported Modifier");
case MCSymbolRefExpr::VK_None:
return ELF::R_ARM_ABS8;
}
case FK_Data_2:
switch (Modifier) {
default:
llvm_unreachable("unsupported modifier");
case MCSymbolRefExpr::VK_None:
return ELF::R_ARM_ABS16;
}
case FK_Data_4:
switch (Modifier) {
default:
llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_ARM_NONE:
return ELF::R_ARM_NONE;
case MCSymbolRefExpr::VK_GOT:
return ELF::R_ARM_GOT_BREL;
case MCSymbolRefExpr::VK_TLSGD:
return ELF::R_ARM_TLS_GD32;
case MCSymbolRefExpr::VK_TPOFF:
return ELF::R_ARM_TLS_LE32;
case MCSymbolRefExpr::VK_GOTTPOFF:
return ELF::R_ARM_TLS_IE32;
case MCSymbolRefExpr::VK_None:
return ELF::R_ARM_ABS32;
case MCSymbolRefExpr::VK_GOTOFF:
return ELF::R_ARM_GOTOFF32;
case MCSymbolRefExpr::VK_ARM_GOT_PREL:
return ELF::R_ARM_GOT_PREL;
case MCSymbolRefExpr::VK_ARM_TARGET1:
return ELF::R_ARM_TARGET1;
case MCSymbolRefExpr::VK_ARM_TARGET2:
return ELF::R_ARM_TARGET2;
case MCSymbolRefExpr::VK_ARM_PREL31:
return ELF::R_ARM_PREL31;
case MCSymbolRefExpr::VK_ARM_SBREL:
return ELF::R_ARM_SBREL32;
case MCSymbolRefExpr::VK_ARM_TLSLDO:
return ELF::R_ARM_TLS_LDO32;
case MCSymbolRefExpr::VK_TLSCALL:
return ELF::R_ARM_TLS_CALL;
case MCSymbolRefExpr::VK_TLSDESC:
return ELF::R_ARM_TLS_GOTDESC;
case MCSymbolRefExpr::VK_TLSLDM:
return ELF::R_ARM_TLS_LDM32;
case MCSymbolRefExpr::VK_ARM_TLSDESCSEQ:
return ELF::R_ARM_TLS_DESCSEQ;
}
case ARM::fixup_arm_condbranch:
case ARM::fixup_arm_uncondbranch:
return ELF::R_ARM_JUMP24;
case ARM::fixup_arm_movt_hi16:
switch (Modifier) {
default:
llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_None:
return ELF::R_ARM_MOVT_ABS;
case MCSymbolRefExpr::VK_ARM_SBREL:
return ELF::R_ARM_MOVT_BREL;
}
case ARM::fixup_arm_movw_lo16:
switch (Modifier) {
default:
llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_None:
return ELF::R_ARM_MOVW_ABS_NC;
case MCSymbolRefExpr::VK_ARM_SBREL:
return ELF::R_ARM_MOVW_BREL_NC;
}
case ARM::fixup_t2_movt_hi16:
switch (Modifier) {
default:
llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_None:
return ELF::R_ARM_THM_MOVT_ABS;
case MCSymbolRefExpr::VK_ARM_SBREL:
return ELF::R_ARM_THM_MOVT_BREL;
}
case ARM::fixup_t2_movw_lo16:
switch (Modifier) {
default:
llvm_unreachable("Unsupported Modifier");
case MCSymbolRefExpr::VK_None:
return ELF::R_ARM_THM_MOVW_ABS_NC;
case MCSymbolRefExpr::VK_ARM_SBREL:
return ELF::R_ARM_THM_MOVW_BREL_NC;
}
}
}
unsigned HexagonELFObjectWriter::getRelocType(MCContext &Ctx,
MCValue const &Target,
MCFixup const &Fixup,
bool IsPCRel) const {
MCSymbolRefExpr::VariantKind Variant = Target.getAccessVariant();
switch ((unsigned)Fixup.getKind()) {
default:
report_fatal_error("Unrecognized relocation type");
break;
case FK_Data_4:
switch(Variant) {
case MCSymbolRefExpr::VariantKind::VK_PPC_DTPREL:
return ELF::R_HEX_DTPREL_32;
case MCSymbolRefExpr::VariantKind::VK_GOT:
return ELF::R_HEX_GOT_32;
case MCSymbolRefExpr::VariantKind::VK_GOTREL:
return ELF::R_HEX_GOTREL_32;
case MCSymbolRefExpr::VariantKind::VK_Hexagon_GD_GOT:
return ELF::R_HEX_GD_GOT_32;
case MCSymbolRefExpr::VariantKind::VK_Hexagon_IE:
return ELF::R_HEX_IE_32;
case MCSymbolRefExpr::VariantKind::VK_Hexagon_IE_GOT:
return ELF::R_HEX_IE_GOT_32;
case MCSymbolRefExpr::VariantKind::VK_Hexagon_LD_GOT:
return ELF::R_HEX_LD_GOT_32;
case MCSymbolRefExpr::VariantKind::VK_Hexagon_PCREL:
return ELF::R_HEX_32_PCREL;
case MCSymbolRefExpr::VariantKind::VK_PPC_TPREL:
return ELF::R_HEX_TPREL_32;
case MCSymbolRefExpr::VariantKind::VK_None:
return IsPCRel ? ELF::R_HEX_32_PCREL : ELF::R_HEX_32;
default:
report_fatal_error("Unrecognized variant type");
};
case FK_PCRel_4:
return ELF::R_HEX_32_PCREL;
case FK_Data_2:
switch(Variant) {
case MCSymbolRefExpr::VariantKind::VK_PPC_DTPREL:
return ELF::R_HEX_DTPREL_16;
case MCSymbolRefExpr::VariantKind::VK_GOT:
return ELF::R_HEX_GOT_16;
case MCSymbolRefExpr::VariantKind::VK_Hexagon_GD_GOT:
return ELF::R_HEX_GD_GOT_16;
case MCSymbolRefExpr::VariantKind::VK_Hexagon_IE_GOT:
return ELF::R_HEX_IE_GOT_16;
case MCSymbolRefExpr::VariantKind::VK_Hexagon_LD_GOT:
return ELF::R_HEX_LD_GOT_16;
case MCSymbolRefExpr::VariantKind::VK_PPC_TPREL:
return ELF::R_HEX_TPREL_16;
case MCSymbolRefExpr::VariantKind::VK_None:
return ELF::R_HEX_16;
default:
report_fatal_error("Unrecognized variant type");
};
case FK_Data_1:
return ELF::R_HEX_8;
case fixup_Hexagon_B22_PCREL:
return ELF::R_HEX_B22_PCREL;
case fixup_Hexagon_B15_PCREL:
return ELF::R_HEX_B15_PCREL;
case fixup_Hexagon_B7_PCREL:
return ELF::R_HEX_B7_PCREL;
case fixup_Hexagon_LO16:
return ELF::R_HEX_LO16;
case fixup_Hexagon_HI16:
return ELF::R_HEX_HI16;
case fixup_Hexagon_32:
return ELF::R_HEX_32;
case fixup_Hexagon_16:
return ELF::R_HEX_16;
case fixup_Hexagon_8:
return ELF::R_HEX_8;
case fixup_Hexagon_GPREL16_0:
return ELF::R_HEX_GPREL16_0;
case fixup_Hexagon_GPREL16_1:
return ELF::R_HEX_GPREL16_1;
case fixup_Hexagon_GPREL16_2:
return ELF::R_HEX_GPREL16_2;
case fixup_Hexagon_GPREL16_3:
return ELF::R_HEX_GPREL16_3;
case fixup_Hexagon_HL16:
return ELF::R_HEX_HL16;
case fixup_Hexagon_B13_PCREL:
return ELF::R_HEX_B13_PCREL;
case fixup_Hexagon_B9_PCREL:
return ELF::R_HEX_B9_PCREL;
case fixup_Hexagon_B32_PCREL_X:
return ELF::R_HEX_B32_PCREL_X;
case fixup_Hexagon_32_6_X:
return ELF::R_HEX_32_6_X;
case fixup_Hexagon_B22_PCREL_X:
return ELF::R_HEX_B22_PCREL_X;
case fixup_Hexagon_B15_PCREL_X:
return ELF::R_HEX_B15_PCREL_X;
case fixup_Hexagon_B13_PCREL_X:
return ELF::R_HEX_B13_PCREL_X;
case fixup_Hexagon_B9_PCREL_X:
return ELF::R_HEX_B9_PCREL_X;
case fixup_Hexagon_B7_PCREL_X:
return ELF::R_HEX_B7_PCREL_X;
case fixup_Hexagon_16_X:
return ELF::R_HEX_16_X;
case fixup_Hexagon_12_X:
return ELF::R_HEX_12_X;
case fixup_Hexagon_11_X:
return ELF::R_HEX_11_X;
case fixup_Hexagon_10_X:
return ELF::R_HEX_10_X;
case fixup_Hexagon_9_X:
return ELF::R_HEX_9_X;
case fixup_Hexagon_8_X:
return ELF::R_HEX_8_X;
case fixup_Hexagon_7_X:
return ELF::R_HEX_7_X;
case fixup_Hexagon_6_X:
return ELF::R_HEX_6_X;
case fixup_Hexagon_32_PCREL:
return ELF::R_HEX_32_PCREL;
case fixup_Hexagon_COPY:
return ELF::R_HEX_COPY;
case fixup_Hexagon_GLOB_DAT:
return ELF::R_HEX_GLOB_DAT;
case fixup_Hexagon_JMP_SLOT:
return ELF::R_HEX_JMP_SLOT;
case fixup_Hexagon_RELATIVE:
return ELF::R_HEX_RELATIVE;
case fixup_Hexagon_PLT_B22_PCREL:
return ELF::R_HEX_PLT_B22_PCREL;
case fixup_Hexagon_GOTREL_LO16:
return ELF::R_HEX_GOTREL_LO16;
case fixup_Hexagon_GOTREL_HI16:
return ELF::R_HEX_GOTREL_HI16;
case fixup_Hexagon_GOTREL_32:
return ELF::R_HEX_GOTREL_32;
case fixup_Hexagon_GOT_LO16:
return ELF::R_HEX_GOT_LO16;
case fixup_Hexagon_GOT_HI16:
return ELF::R_HEX_GOT_HI16;
case fixup_Hexagon_GOT_32:
return ELF::R_HEX_GOT_32;
case fixup_Hexagon_GOT_16:
return ELF::R_HEX_GOT_16;
case fixup_Hexagon_DTPMOD_32:
return ELF::R_HEX_DTPMOD_32;
case fixup_Hexagon_DTPREL_LO16:
return ELF::R_HEX_DTPREL_LO16;
case fixup_Hexagon_DTPREL_HI16:
return ELF::R_HEX_DTPREL_HI16;
case fixup_Hexagon_DTPREL_32:
return ELF::R_HEX_DTPREL_32;
case fixup_Hexagon_DTPREL_16:
return ELF::R_HEX_DTPREL_16;
case fixup_Hexagon_GD_PLT_B22_PCREL:
return ELF::R_HEX_GD_PLT_B22_PCREL;
case fixup_Hexagon_LD_PLT_B22_PCREL:
return ELF::R_HEX_LD_PLT_B22_PCREL;
case fixup_Hexagon_GD_GOT_LO16:
return ELF::R_HEX_GD_GOT_LO16;
case fixup_Hexagon_GD_GOT_HI16:
return ELF::R_HEX_GD_GOT_HI16;
case fixup_Hexagon_GD_GOT_32:
return ELF::R_HEX_GD_GOT_32;
case fixup_Hexagon_GD_GOT_16:
return ELF::R_HEX_GD_GOT_16;
case fixup_Hexagon_LD_GOT_LO16:
return ELF::R_HEX_LD_GOT_LO16;
case fixup_Hexagon_LD_GOT_HI16:
return ELF::R_HEX_LD_GOT_HI16;
case fixup_Hexagon_LD_GOT_32:
return ELF::R_HEX_LD_GOT_32;
case fixup_Hexagon_LD_GOT_16:
return ELF::R_HEX_LD_GOT_16;
case fixup_Hexagon_IE_LO16:
return ELF::R_HEX_IE_LO16;
case fixup_Hexagon_IE_HI16:
return ELF::R_HEX_IE_HI16;
case fixup_Hexagon_IE_32:
return ELF::R_HEX_IE_32;
case fixup_Hexagon_IE_GOT_LO16:
return ELF::R_HEX_IE_GOT_LO16;
case fixup_Hexagon_IE_GOT_HI16:
return ELF::R_HEX_IE_GOT_HI16;
case fixup_Hexagon_IE_GOT_32:
return ELF::R_HEX_IE_GOT_32;
case fixup_Hexagon_IE_GOT_16:
return ELF::R_HEX_IE_GOT_16;
case fixup_Hexagon_TPREL_LO16:
return ELF::R_HEX_TPREL_LO16;
case fixup_Hexagon_TPREL_HI16:
return ELF::R_HEX_TPREL_HI16;
case fixup_Hexagon_TPREL_32:
return ELF::R_HEX_TPREL_32;
case fixup_Hexagon_TPREL_16:
return ELF::R_HEX_TPREL_16;
case fixup_Hexagon_6_PCREL_X:
return ELF::R_HEX_6_PCREL_X;
case fixup_Hexagon_GOTREL_32_6_X:
return ELF::R_HEX_GOTREL_32_6_X;
case fixup_Hexagon_GOTREL_16_X:
return ELF::R_HEX_GOTREL_16_X;
case fixup_Hexagon_GOTREL_11_X:
return ELF::R_HEX_GOTREL_11_X;
case fixup_Hexagon_GOT_32_6_X:
return ELF::R_HEX_GOT_32_6_X;
case fixup_Hexagon_GOT_16_X:
return ELF::R_HEX_GOT_16_X;
case fixup_Hexagon_GOT_11_X:
return ELF::R_HEX_GOT_11_X;
case fixup_Hexagon_DTPREL_32_6_X:
return ELF::R_HEX_DTPREL_32_6_X;
case fixup_Hexagon_DTPREL_16_X:
return ELF::R_HEX_DTPREL_16_X;
case fixup_Hexagon_DTPREL_11_X:
return ELF::R_HEX_DTPREL_11_X;
case fixup_Hexagon_GD_GOT_32_6_X:
return ELF::R_HEX_GD_GOT_32_6_X;
case fixup_Hexagon_GD_GOT_16_X:
return ELF::R_HEX_GD_GOT_16_X;
case fixup_Hexagon_GD_GOT_11_X:
return ELF::R_HEX_GD_GOT_11_X;
case fixup_Hexagon_LD_GOT_32_6_X:
return ELF::R_HEX_LD_GOT_32_6_X;
case fixup_Hexagon_LD_GOT_16_X:
return ELF::R_HEX_LD_GOT_16_X;
case fixup_Hexagon_LD_GOT_11_X:
return ELF::R_HEX_LD_GOT_11_X;
case fixup_Hexagon_IE_32_6_X:
return ELF::R_HEX_IE_32_6_X;
case fixup_Hexagon_IE_16_X:
return ELF::R_HEX_IE_16_X;
case fixup_Hexagon_IE_GOT_32_6_X:
return ELF::R_HEX_IE_GOT_32_6_X;
case fixup_Hexagon_IE_GOT_16_X:
return ELF::R_HEX_IE_GOT_16_X;
case fixup_Hexagon_IE_GOT_11_X:
return ELF::R_HEX_IE_GOT_11_X;
case fixup_Hexagon_TPREL_32_6_X:
return ELF::R_HEX_TPREL_32_6_X;
case fixup_Hexagon_TPREL_16_X:
return ELF::R_HEX_TPREL_16_X;
case fixup_Hexagon_TPREL_11_X:
return ELF::R_HEX_TPREL_11_X;
}
}
unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
const MCFixup &Fixup,
bool IsPCRel) const {
// determine the type of the relocation
MCSymbolRefExpr::VariantKind Modifier = Target.getAccessVariant();
unsigned Type;
if (getEMachine() == ELF::EM_X86_64) {
if (IsPCRel) {
switch ((unsigned)Fixup.getKind()) {
default: llvm_unreachable("invalid fixup kind!");
case FK_Data_8: Type = ELF::R_X86_64_PC64; break;
case FK_Data_4: Type = ELF::R_X86_64_PC32; break;
case FK_Data_2: Type = ELF::R_X86_64_PC16; break;
case FK_Data_1: Type = ELF::R_X86_64_PC8; break;
case FK_PCRel_8:
assert(Modifier == MCSymbolRefExpr::VK_None);
Type = ELF::R_X86_64_PC64;
break;
case X86::reloc_signed_4byte:
case X86::reloc_riprel_4byte_movq_load:
case X86::reloc_riprel_4byte:
case FK_PCRel_4:
switch (Modifier) {
default:
llvm_unreachable("Unimplemented");
case MCSymbolRefExpr::VK_None:
Type = ELF::R_X86_64_PC32;
break;
case MCSymbolRefExpr::VK_PLT:
Type = ELF::R_X86_64_PLT32;
break;
case MCSymbolRefExpr::VK_GOTPCREL:
Type = ELF::R_X86_64_GOTPCREL;
break;
case MCSymbolRefExpr::VK_GOTTPOFF:
Type = ELF::R_X86_64_GOTTPOFF;
break;
case MCSymbolRefExpr::VK_TLSGD:
Type = ELF::R_X86_64_TLSGD;
break;
case MCSymbolRefExpr::VK_TLSLD:
Type = ELF::R_X86_64_TLSLD;
break;
}
break;
case FK_PCRel_2:
assert(Modifier == MCSymbolRefExpr::VK_None);
Type = ELF::R_X86_64_PC16;
break;
case FK_PCRel_1:
assert(Modifier == MCSymbolRefExpr::VK_None);
Type = ELF::R_X86_64_PC8;
break;
}
} else {
switch ((unsigned)Fixup.getKind()) {
default: llvm_unreachable("invalid fixup kind!");
case X86::reloc_global_offset_table8:
Type = ELF::R_X86_64_GOTPC64;
break;
case X86::reloc_global_offset_table:
Type = ELF::R_X86_64_GOTPC32;
break;
case FK_Data_8:
switch (Modifier) {
default:
llvm_unreachable("Unimplemented");
case MCSymbolRefExpr::VK_None:
Type = ELF::R_X86_64_64;
break;
case MCSymbolRefExpr::VK_GOT:
Type = ELF::R_X86_64_GOT64;
break;
case MCSymbolRefExpr::VK_GOTOFF:
Type = ELF::R_X86_64_GOTOFF64;
break;
case MCSymbolRefExpr::VK_TPOFF:
Type = ELF::R_X86_64_TPOFF64;
break;
case MCSymbolRefExpr::VK_DTPOFF:
Type = ELF::R_X86_64_DTPOFF64;
break;
}
break;
case X86::reloc_signed_4byte:
switch (Modifier) {
default:
llvm_unreachable("Unimplemented");
case MCSymbolRefExpr::VK_None:
Type = ELF::R_X86_64_32S;
break;
case MCSymbolRefExpr::VK_GOT:
Type = ELF::R_X86_64_GOT32;
break;
case MCSymbolRefExpr::VK_GOTPCREL:
Type = ELF::R_X86_64_GOTPCREL;
break;
case MCSymbolRefExpr::VK_TPOFF:
Type = ELF::R_X86_64_TPOFF32;
break;
case MCSymbolRefExpr::VK_DTPOFF:
Type = ELF::R_X86_64_DTPOFF32;
break;
}
break;
case FK_Data_4:
Type = ELF::R_X86_64_32;
break;
case FK_Data_2: Type = ELF::R_X86_64_16; break;
case FK_PCRel_1:
case FK_Data_1: Type = ELF::R_X86_64_8; break;
}
}
} else if (getEMachine() == ELF::EM_386) {
if (IsPCRel) {
switch ((unsigned)Fixup.getKind()) {
default: llvm_unreachable("invalid fixup kind!");
case X86::reloc_global_offset_table:
Type = ELF::R_386_GOTPC;
break;
case FK_PCRel_1:
case FK_Data_1:
switch (Modifier) {
default:
llvm_unreachable("Unimplemented");
case MCSymbolRefExpr::VK_None:
Type = ELF::R_386_PC8;
break;
}
break;
case FK_PCRel_2:
case FK_Data_2:
switch (Modifier) {
default:
llvm_unreachable("Unimplemented");
case MCSymbolRefExpr::VK_None:
Type = ELF::R_386_PC16;
break;
}
break;
case X86::reloc_signed_4byte:
case FK_PCRel_4:
case FK_Data_4:
switch (Modifier) {
default:
llvm_unreachable("Unimplemented");
case MCSymbolRefExpr::VK_None:
Type = ELF::R_386_PC32;
break;
case MCSymbolRefExpr::VK_PLT:
Type = ELF::R_386_PLT32;
break;
}
break;
}
} else {
switch ((unsigned)Fixup.getKind()) {
default: llvm_unreachable("invalid fixup kind!");
case X86::reloc_global_offset_table:
Type = ELF::R_386_GOTPC;
break;
// FIXME: Should we avoid selecting reloc_signed_4byte in 32 bit mode
// instead?
case X86::reloc_signed_4byte:
case FK_PCRel_4:
case FK_Data_4:
switch (Modifier) {
default:
llvm_unreachable("Unimplemented");
case MCSymbolRefExpr::VK_None:
Type = ELF::R_386_32;
break;
case MCSymbolRefExpr::VK_GOT:
Type = ELF::R_386_GOT32;
break;
case MCSymbolRefExpr::VK_PLT:
Type = ELF::R_386_PLT32;
break;
case MCSymbolRefExpr::VK_GOTOFF:
Type = ELF::R_386_GOTOFF;
break;
case MCSymbolRefExpr::VK_TLSGD:
Type = ELF::R_386_TLS_GD;
break;
case MCSymbolRefExpr::VK_TPOFF:
Type = ELF::R_386_TLS_LE_32;
break;
case MCSymbolRefExpr::VK_INDNTPOFF:
Type = ELF::R_386_TLS_IE;
break;
case MCSymbolRefExpr::VK_NTPOFF:
Type = ELF::R_386_TLS_LE;
break;
case MCSymbolRefExpr::VK_GOTNTPOFF:
Type = ELF::R_386_TLS_GOTIE;
break;
case MCSymbolRefExpr::VK_TLSLDM:
Type = ELF::R_386_TLS_LDM;
break;
case MCSymbolRefExpr::VK_DTPOFF:
Type = ELF::R_386_TLS_LDO_32;
break;
case MCSymbolRefExpr::VK_GOTTPOFF:
Type = ELF::R_386_TLS_IE_32;
break;
}
break;
case FK_Data_2: Type = ELF::R_386_16; break;
case FK_PCRel_1:
case FK_Data_1: Type = ELF::R_386_8; break;
}
}
} else
llvm_unreachable("Unsupported ELF machine type.");
return Type;
}
