[PATCH] D55498: [PPC64] Support R_PPC64_GOT16 Relocations

[Martell Malone via Phabricator via llvm-commits]

martell created this revision.
martell added reviewers: ruiu, espindola.
Herald added subscribers: jsji, kbarton, arichardson, nemanjai, emaste.

When linking the linux kernel on ppc64
ld.lld: error: unrecognized reloc 58
58 is R_PPC64_GOT16_DS


Repository:
  rLLD LLVM Linker

https://reviews.llvm.org/D55498

Files:
  ELF/Arch/PPC64.cpp


Index: ELF/Arch/PPC64.cpp
===================================================================
--- ELF/Arch/PPC64.cpp
+++ ELF/Arch/PPC64.cpp
@@ -412,6 +412,13 @@
 RelExpr PPC64::getRelExpr(RelType Type, const Symbol &S,
                           const uint8_t *Loc) const {
   switch (Type) {
+  case R_PPC64_GOT16:
+  case R_PPC64_GOT16_DS:
+  case R_PPC64_GOT16_HA:
+  case R_PPC64_GOT16_HI:
+  case R_PPC64_GOT16_LO:
+  case R_PPC64_GOT16_LO_DS:
+    return R_GOT_OFF;
   case R_PPC64_TOC16:
   case R_PPC64_TOC16_DS:
   case R_PPC64_TOC16_HA:
@@ -526,33 +533,39 @@
 
   switch (Type) {
   // TOC biased relocation.
+  case R_PPC64_GOT16:
   case R_PPC64_GOT_TLSGD16:
   case R_PPC64_GOT_TLSLD16:
   case R_PPC64_TOC16:
     return {R_PPC64_ADDR16, TocBiasedVal};
-  case R_PPC64_TOC16_DS:
+  case R_PPC64_GOT16_DS:
   case R_PPC64_GOT_TPREL16_DS:
   case R_PPC64_GOT_DTPREL16_DS:
+  case R_PPC64_TOC16_DS:
     return {R_PPC64_ADDR16_DS, TocBiasedVal};
+  case R_PPC64_GOT16_HA:
   case R_PPC64_GOT_TLSGD16_HA:
   case R_PPC64_GOT_TLSLD16_HA:
   case R_PPC64_GOT_TPREL16_HA:
   case R_PPC64_GOT_DTPREL16_HA:
   case R_PPC64_TOC16_HA:
     return {R_PPC64_ADDR16_HA, TocBiasedVal};
+  case R_PPC64_GOT16_HI:
   case R_PPC64_GOT_TLSGD16_HI:
   case R_PPC64_GOT_TLSLD16_HI:
   case R_PPC64_GOT_TPREL16_HI:
   case R_PPC64_GOT_DTPREL16_HI:
   case R_PPC64_TOC16_HI:
     return {R_PPC64_ADDR16_HI, TocBiasedVal};
+  case R_PPC64_GOT16_LO:
   case R_PPC64_GOT_TLSGD16_LO:
   case R_PPC64_GOT_TLSLD16_LO:
   case R_PPC64_TOC16_LO:
     return {R_PPC64_ADDR16_LO, TocBiasedVal};
-  case R_PPC64_TOC16_LO_DS:
+  case R_PPC64_GOT16_LO_DS:
   case R_PPC64_GOT_TPREL16_LO_DS:
   case R_PPC64_GOT_DTPREL16_LO_DS:
+  case R_PPC64_TOC16_LO_DS:
     return {R_PPC64_ADDR16_LO_DS, TocBiasedVal};
 
   // Dynamic Thread pointer biased relocation types.


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