[PATCH] [mips] Make TTypeEncoding indirect to allow .eh_frame to be read-only.

[Petar Jovanovic]

================
Comment at: lib/MC/MCObjectFileInfo.cpp:334
@@ +333,3 @@
+    TTypeEncoding = dwarf::DW_EH_PE_indirect | dwarf::DW_EH_PE_pcrel |
+                    dwarf::DW_EH_PE_sdata4;
+    // We don't support PC-relative LSDA references in GAS so we use the default
----------------
I see your comment for N64 ABI and DW_EH_PE_sdata8, but if it is complex to fix it in this change, and considering incompleteness of N32 and common use(rs) of LLVM today, would not we be closer to correct solution if this case is divided in two switch/cases for 32-bit and 64-bit triples, with dwarf::DW_EH_PE_sdata4 and DW_EH_PE_sdata8 flags set in TTypeEncoding respectively?

http://reviews.llvm.org/D9669

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