Zaara Syeda de54f584cc [PPC64] Add support for R_PPC64_GOT_DTPREL16* relocations ...

The local dynamic TLS access on PPC64 ELF v2 ABI uses R_PPC64_GOT_DTPREL16*
relocations when a TLS variables falls outside 2 GB of the thread storage
block. This patch adds support for these relocations by adding a new RelExpr
called R_TLSLD_GOT_OFF which emits a got entry for the TLS variable relative
to the dynamic thread pointer using the relocation R_PPC64_DTPREL64. It then
evaluates the R_PPC64_GOT_DTPREL16* relocations as the got offset for the
R_PPC64_DTPREL64 got entries.

Differential Revision: https://reviews.llvm.org/D48484

llvm-svn: 335732

2018-06-27 13:55:41 +00:00

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