[PPC64] Remove support for ELF V1 ABI in LLD

The current support for V1 ABI in LLD is incomplete.
This patch removes V1 ABI support and changes the default behavior to V2 ABI,
issuing an error when using the V1 ABI. It also updates the testcases to V2
and removes any V1 specific tests.

Differential Revision: https://reviews.llvm.org/D46316

1 files changed, 3 insertions, 12 deletions

diff --git a/lld/ELF/InputSection.cpp b/lld/ELF/InputSection.cpp
index 77a50b6579d..48a385b6992 100644
--- a/lld/ELF/InputSection.cpp
+++ b/lld/ELF/InputSection.cpp
@@ -566,24 +566,15 @@ static uint64_t getRelocTargetVA(RelType Type, int64_t A, uint64_t P,
   case R_PLT:
     return Sym.getPltVA() + A;
   case R_PLT_PC:
-  case R_PPC_PLT_OPD:
+  case R_PPC_CALL_PLT:
     return Sym.getPltVA() + A - P;
-  case R_PPC_OPD: {
+  case R_PPC_CALL: {
     uint64_t SymVA = Sym.getVA(A);
     // If we have an undefined weak symbol, we might get here with a symbol
     // address of zero. That could overflow, but the code must be unreachable,
     // so don't bother doing anything at all.
     if (!SymVA)
       return 0;
-    if (Out::Opd) {
-      // If this is a local call, and we currently have the address of a
-      // function-descriptor, get the underlying code address instead.
-      uint64_t OpdStart = Out::Opd->Addr;
-      uint64_t OpdEnd = OpdStart + Out::Opd->Size;
-      bool InOpd = OpdStart <= SymVA && SymVA < OpdEnd;
-      if (InOpd)
-        SymVA = read64be(&Out::OpdBuf[SymVA - OpdStart]);
-    }
 
     // PPC64 V2 ABI describes two entry points to a function. The global entry
     // point sets up the TOC base pointer. When calling a local function, the
@@ -749,7 +740,7 @@ void InputSectionBase::relocateAlloc(uint8_t *Buf, uint8_t *BufEnd) {
     case R_RELAX_TLS_GD_TO_IE_END:
       Target->relaxTlsGdToIe(BufLoc, Type, TargetVA);
       break;
-    case R_PPC_PLT_OPD:
+    case R_PPC_CALL_PLT:
       // Patch a nop (0x60000000) to a ld.
       if (BufLoc + 8 > BufEnd || read32(BufLoc + 4) != 0x60000000) {
         error(getErrorLocation(BufLoc) + "call lacks nop, can't restore toc");