From d2bd9e70b16db88a7808ee2280b0a107afbfdd3b Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Wed, 23 Oct 2019 17:52:45 +0000
Subject: Vendor import of stripped lld trunk r375505, the last commit before
 the upstream Subversion repository was made read-only, and the LLVM project
 migrated to GitHub:

https://llvm.org/svn/llvm-project/lld/trunk@375505
---
 ELF/Arch/PPC.cpp | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

(limited to 'ELF/Arch/PPC.cpp')

diff --git a/ELF/Arch/PPC.cpp b/ELF/Arch/PPC.cpp
index 46c5891e4f8a..c4eecb9a29c2 100644
--- a/ELF/Arch/PPC.cpp
+++ b/ELF/Arch/PPC.cpp
@@ -16,8 +16,9 @@
 using namespace llvm;
 using namespace llvm::support::endian;
 using namespace llvm::ELF;
-using namespace lld;
-using namespace lld::elf;
+
+namespace lld {
+namespace elf {
 
 namespace {
 class PPC final : public TargetInfo {
@@ -61,7 +62,7 @@ static void writeFromHalf16(uint8_t *loc, uint32_t insn) {
   write32(config->isLE ? loc : loc - 2, insn);
 }
 
-void elf::writePPC32GlinkSection(uint8_t *buf, size_t numEntries) {
+void writePPC32GlinkSection(uint8_t *buf, size_t numEntries) {
   // On PPC Secure PLT ABI, bl foo@plt jumps to a call stub, which loads an
   // absolute address from a specific .plt slot (usually called .got.plt on
   // other targets) and jumps there.
@@ -190,6 +191,13 @@ bool PPC::inBranchRange(RelType type, uint64_t src, uint64_t dst) const {
 RelExpr PPC::getRelExpr(RelType type, const Symbol &s,
                         const uint8_t *loc) const {
   switch (type) {
+  case R_PPC_NONE:
+    return R_NONE;
+  case R_PPC_ADDR16_HA:
+  case R_PPC_ADDR16_HI:
+  case R_PPC_ADDR16_LO:
+  case R_PPC_ADDR32:
+    return R_ABS;
   case R_PPC_DTPREL16:
   case R_PPC_DTPREL16_HA:
   case R_PPC_DTPREL16_HI:
@@ -227,7 +235,9 @@ RelExpr PPC::getRelExpr(RelType type, const Symbol &s,
   case R_PPC_TPREL16_HI:
     return R_TLS;
   default:
-    return R_ABS;
+    error(getErrorLocation(loc) + "unknown relocation (" + Twine(type) +
+          ") against symbol " + toString(s));
+    return R_NONE;
   }
 }
 
@@ -319,7 +329,7 @@ void PPC::relocateOne(uint8_t *loc, RelType type, uint64_t val) const {
     break;
   }
   default:
-    error(getErrorLocation(loc) + "unrecognized relocation " + toString(type));
+    llvm_unreachable("unknown relocation");
   }
 }
 
@@ -426,7 +436,10 @@ void PPC::relaxTlsIeToLe(uint8_t *loc, RelType type, uint64_t val) const {
   }
 }
 
-TargetInfo *elf::getPPCTargetInfo() {
+TargetInfo *getPPCTargetInfo() {
   static PPC target;
   return &target;
 }
+
+} // namespace elf
+} // namespace lld
-- 
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