- MCContext &Context = MCA.getContext();
- MCStreamer &OS = getStreamer();
- Triple T(STI.getTargetTriple());
- uint64_t Features = STI.getFeatureBits();
-
- if (T.isArch64Bit() && (Features & Mips::FeatureN64)) {
- const MCSectionELF *Sec = Context.getELFSection(
- ".MIPS.options", ELF::SHT_MIPS_OPTIONS,
- ELF::SHF_ALLOC | ELF::SHF_MIPS_NOSTRIP, SectionKind::getMetadata());
- OS.SwitchSection(Sec);
-
- OS.EmitIntValue(1, 1); // kind
- OS.EmitIntValue(40, 1); // size
- OS.EmitIntValue(0, 2); // section
- OS.EmitIntValue(0, 4); // info
- OS.EmitIntValue(0, 4); // ri_gprmask
- OS.EmitIntValue(0, 4); // pad
- OS.EmitIntValue(0, 4); // ri_cpr[0]mask
- OS.EmitIntValue(0, 4); // ri_cpr[1]mask
- OS.EmitIntValue(0, 4); // ri_cpr[2]mask
- OS.EmitIntValue(0, 4); // ri_cpr[3]mask
- OS.EmitIntValue(0, 8); // ri_gp_value
- } else {
- const MCSectionELF *Sec =
- Context.getELFSection(".reginfo", ELF::SHT_MIPS_REGINFO, ELF::SHF_ALLOC,
- SectionKind::getMetadata());
- OS.SwitchSection(Sec);
-
- OS.EmitIntValue(0, 4); // ri_gprmask
- OS.EmitIntValue(0, 4); // ri_cpr[0]mask
- OS.EmitIntValue(0, 4); // ri_cpr[1]mask
- OS.EmitIntValue(0, 4); // ri_cpr[2]mask
- OS.EmitIntValue(0, 4); // ri_cpr[3]mask
- OS.EmitIntValue(0, 4); // ri_gp_value
- }
+ const MCObjectFileInfo &OFI = *MCA.getContext().getObjectFileInfo();
+
+ // .bss, .text and .data are always at least 16-byte aligned.
+ MCSectionData &TextSectionData =
+ MCA.getOrCreateSectionData(*OFI.getTextSection());
+ MCSectionData &DataSectionData =
+ MCA.getOrCreateSectionData(*OFI.getDataSection());
+ MCSectionData &BSSSectionData =
+ MCA.getOrCreateSectionData(*OFI.getBSSSection());
+
+ TextSectionData.setAlignment(std::max(16u, TextSectionData.getAlignment()));
+ DataSectionData.setAlignment(std::max(16u, DataSectionData.getAlignment()));
+ BSSSectionData.setAlignment(std::max(16u, BSSSectionData.getAlignment()));
+
+ const FeatureBitset &Features = STI.getFeatureBits();
+
+ // Update e_header flags. See the FIXME and comment above in
+ // the constructor for a full rundown on this.
+ unsigned EFlags = MCA.getELFHeaderEFlags();
+
+ // ABI
+ // N64 does not require any ABI bits.
+ if (getABI().IsO32())
+ EFlags |= ELF::EF_MIPS_ABI_O32;
+ else if (getABI().IsN32())
+ EFlags |= ELF::EF_MIPS_ABI2;
+
+ if (Features[Mips::FeatureGP64Bit]) {
+ if (getABI().IsO32())
+ EFlags |= ELF::EF_MIPS_32BITMODE; /* Compatibility Mode */
+ } else if (Features[Mips::FeatureMips64r2] || Features[Mips::FeatureMips64])
+ EFlags |= ELF::EF_MIPS_32BITMODE;
+
+ // If we've set the cpic eflag and we're n64, go ahead and set the pic
+ // one as well.
+ if (EFlags & ELF::EF_MIPS_CPIC && getABI().IsN64())
+ EFlags |= ELF::EF_MIPS_PIC;
+
+ MCA.setELFHeaderEFlags(EFlags);
+
+ // Emit all the option records.
+ // At the moment we are only emitting .Mips.options (ODK_REGINFO) and
+ // .reginfo.
+ MipsELFStreamer &MEF = static_cast<MipsELFStreamer &>(Streamer);
+ MEF.EmitMipsOptionRecords();
+