+ } else if (T.getArch() == Triple::aarch64) {
+ // The small model guarantees static code/data size < 4GB, but not where it
+ // will be in memory. Most of these could end up >2GB away so even a signed
+ // pc-relative 32-bit address is insufficient, theoretically.
+ if (RelocM == Reloc::PIC_) {
+ PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+ dwarf::DW_EH_PE_sdata8;
+ LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata8;
+ FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
+ TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+ dwarf::DW_EH_PE_sdata8;
+ } else {
+ PersonalityEncoding = dwarf::DW_EH_PE_absptr;
+ LSDAEncoding = dwarf::DW_EH_PE_absptr;
+ FDEEncoding = dwarf::DW_EH_PE_udata4;
+ TTypeEncoding = dwarf::DW_EH_PE_absptr;
+ }
+ } else if (T.getArch() == Triple::ppc64 || T.getArch() == Triple::ppc64le) {
+ PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+ dwarf::DW_EH_PE_udata8;
+ LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8;
+ FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_udata8;
+ TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+ dwarf::DW_EH_PE_udata8;
+ } else if (T.getArch() == Triple::sparc) {
+ if (RelocM == Reloc::PIC_) {
+ LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
+ PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+ dwarf::DW_EH_PE_sdata4;
+ FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
+ TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+ dwarf::DW_EH_PE_sdata4;
+ } else {
+ LSDAEncoding = dwarf::DW_EH_PE_absptr;
+ PersonalityEncoding = dwarf::DW_EH_PE_absptr;
+ FDEEncoding = dwarf::DW_EH_PE_udata4;
+ TTypeEncoding = dwarf::DW_EH_PE_absptr;
+ }
+ } else if (T.getArch() == Triple::sparcv9) {
+ LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
+ if (RelocM == Reloc::PIC_) {
+ PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+ dwarf::DW_EH_PE_sdata4;
+ FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
+ TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+ dwarf::DW_EH_PE_sdata4;
+ } else {
+ PersonalityEncoding = dwarf::DW_EH_PE_absptr;
+ FDEEncoding = dwarf::DW_EH_PE_udata4;
+ TTypeEncoding = dwarf::DW_EH_PE_absptr;
+ }
+ } else if (T.getArch() == Triple::systemz) {
+ // All currently-defined code models guarantee that 4-byte PC-relative
+ // values will be in range.
+ if (RelocM == Reloc::PIC_) {
+ PersonalityEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+ dwarf::DW_EH_PE_sdata4;
+ LSDAEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
+ FDEEncoding = dwarf::DW_EH_PE_pcrel | dwarf::DW_EH_PE_sdata4;
+ TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+ dwarf::DW_EH_PE_sdata4;
+ } else {
+ PersonalityEncoding = dwarf::DW_EH_PE_absptr;
+ LSDAEncoding = dwarf::DW_EH_PE_absptr;
+ FDEEncoding = dwarf::DW_EH_PE_absptr;
+ TTypeEncoding = dwarf::DW_EH_PE_absptr;
+ }
+ }
+
+ // Solaris requires different flags for .eh_frame to seemingly every other
+ // platform.
+ EHSectionType = ELF::SHT_PROGBITS;
+ EHSectionFlags = ELF::SHF_ALLOC;
+ if (T.getOS() == Triple::Solaris) {
+ if (T.getArch() == Triple::x86_64)
+ EHSectionType = ELF::SHT_X86_64_UNWIND;
+ else
+ EHSectionFlags |= ELF::SHF_WRITE;