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Author SHA1 Message Date
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
Fangrui Song 3773c196fc [ELF][PPC64] Support R_PPC64_DTPREL64 which may be emitted in .rela.debug_addr 
llvm-svn: 334533
 2018-06-12 20:26:49 +00:00
Sean Fertile e6b2e06f28 [PPC64] Support R_PPC64_DTPREL relocations. 
Patch adds support for most of the dynamic thread pointer based relocations
for local-dynamic tls. The HIGH and HIGHA versions are missing becuase they
are not supported by the llvm integrated assembler yet.

llvm-svn: 334465
 2018-06-12 01:47:02 +00:00