1 files changed, 62 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/Architecture/PPC64/ArchitecturePPC64.cpp b/contrib/llvm-project/lldb/source/Plugins/Architecture/PPC64/ArchitecturePPC64.cpp
new file mode 100644
index 000000000000..b8fac55e41da
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Plugins/Architecture/PPC64/ArchitecturePPC64.cpp
@@ -0,0 +1,62 @@
+//===-- ArchitecturePPC64.cpp ---------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "Plugins/Architecture/PPC64/ArchitecturePPC64.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Symbol/Function.h"
+#include "lldb/Symbol/Symbol.h"
+#include "lldb/Target/RegisterContext.h"
+#include "lldb/Target/Target.h"
+#include "lldb/Target/Thread.h"
+#include "lldb/Utility/ArchSpec.h"
+
+#include "llvm/BinaryFormat/ELF.h"
+
+using namespace lldb_private;
+using namespace lldb;
+
+LLDB_PLUGIN_DEFINE(ArchitecturePPC64)
+
+void ArchitecturePPC64::Initialize() {
+  PluginManager::RegisterPlugin(GetPluginNameStatic(),
+                                "PPC64-specific algorithms",
+                                &ArchitecturePPC64::Create);
+}
+
+void ArchitecturePPC64::Terminate() {
+  PluginManager::UnregisterPlugin(&ArchitecturePPC64::Create);
+}
+
+std::unique_ptr<Architecture> ArchitecturePPC64::Create(const ArchSpec &arch) {
+  if (arch.GetTriple().isPPC64() &&
+      arch.GetTriple().getObjectFormat() == llvm::Triple::ObjectFormatType::ELF)
+    return std::unique_ptr<Architecture>(new ArchitecturePPC64());
+  return nullptr;
+}
+
+static int32_t GetLocalEntryOffset(const Symbol &sym) {
+  unsigned char other = sym.GetFlags() >> 8 & 0xFF;
+  return llvm::ELF::decodePPC64LocalEntryOffset(other);
+}
+
+size_t ArchitecturePPC64::GetBytesToSkip(Symbol &func,
+                                         const Address &curr_addr) const {
+  if (curr_addr.GetFileAddress() ==
+      func.GetFileAddress() + GetLocalEntryOffset(func))
+    return func.GetPrologueByteSize();
+  return 0;
+}
+
+void ArchitecturePPC64::AdjustBreakpointAddress(const Symbol &func,
+                                                Address &addr) const {
+  int32_t loffs = GetLocalEntryOffset(func);
+  if (!loffs)
+    return;
+
+  addr.SetOffset(addr.GetOffset() + loffs);
+}