[PATCH] [x86_64] Don't truncate PC-relative relocations in ELF EH frames to 32 bits
Joerg Sonnenberger
joerg at NetBSD.org
Tue Nov 18 05:34:03 PST 2014
================
Comment at: lib/MC/MCObjectFileInfo.cpp:278
@@ +277,3 @@
+ if (RelocM == Reloc::PIC_) {
+ FDECFIEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+ ((CMModel == CodeModel::Small || CMModel == CodeModel::Medium)
----------------
Why do we need the DW_EH_PE_indirect in the case of Small/Medium?
Thinking again, I think it should be:
Small/Medium: pcrel + sdata4
otherwise: pcrel + sdata8
http://reviews.llvm.org/D6079
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