[PATCH] D122294: [BOLT] Added R_AARCH64_PREL64 relocation

[Alexey Moksyakov via Phabricator via llvm-commits]

yavtuk created this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122294

Files:
  bolt/include/bolt/Core/BinaryFunction.h
  bolt/lib/Core/Relocation.cpp


Index: bolt/lib/Core/Relocation.cpp
===================================================================
--- bolt/lib/Core/Relocation.cpp
+++ bolt/lib/Core/Relocation.cpp
@@ -75,6 +75,7 @@
   case ELF::R_AARCH64_TLSDESC_CALL:
   case ELF::R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
   case ELF::R_AARCH64_PREL32:
+  case ELF::R_AARCH64_PREL64:
   case ELF::R_AARCH64_ABS16:
   case ELF::R_AARCH64_ABS32:
   case ELF::R_AARCH64_ABS64:
@@ -157,6 +158,7 @@
   case ELF::R_AARCH64_ABS32:
     return 4;
   case ELF::R_AARCH64_ABS64:
+  case ELF::R_AARCH64_PREL64:
     return 8;
   }
 }
@@ -246,6 +248,7 @@
   case ELF::R_AARCH64_ABS32:
     break;
   case ELF::R_AARCH64_PREL32:
+  case ELF::R_AARCH64_PREL64:
     Value -= PC;
     break;
   }
@@ -271,6 +274,8 @@
     return Contents;
   case ELF::R_AARCH64_PREL32:
     return static_cast<int64_t>(PC) + SignExtend64<32>(Contents & 0xffffffff);
+  case ELF::R_AARCH64_PREL64:
+    return static_cast<int64_t>(PC) + Contents;
   case ELF::R_AARCH64_TLSDESC_CALL:
   case ELF::R_AARCH64_JUMP26:
   case ELF::R_AARCH64_CALL26:
@@ -493,6 +498,7 @@
   case ELF::R_AARCH64_TLSDESC_ADR_PREL21:
   case ELF::R_AARCH64_TLSDESC_ADR_PAGE21:
   case ELF::R_AARCH64_PREL32:
+  case ELF::R_AARCH64_PREL64:
     return true;
   }
 }
Index: bolt/include/bolt/Core/BinaryFunction.h
===================================================================
--- bolt/include/bolt/Core/BinaryFunction.h
+++ bolt/include/bolt/Core/BinaryFunction.h
@@ -1276,6 +1276,7 @@
     case ELF::R_AARCH64_MOVW_UABS_G2:
     case ELF::R_AARCH64_MOVW_UABS_G2_NC:
     case ELF::R_AARCH64_MOVW_UABS_G3:
+    case ELF::R_AARCH64_PREL64:
       Rels[Offset] = Relocation{Offset, Symbol, RelType, Addend, Value};
       return;
     case ELF::R_AARCH64_CALL26:


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