[ARC] Basic support in gdb-remote process plugin

Differential Revision: https://reviews.llvm.org/D55718

llvm-svn: 375122

2 files changed, 7 insertions, 0 deletions

diff --git a/lldb/source/Target/Platform.cpp b/lldb/source/Target/Platform.cpp
index 3087512fb77..c9849a9e5f0 100644
--- a/lldb/source/Target/Platform.cpp
+++ b/lldb/source/Target/Platform.cpp
@@ -1823,6 +1823,12 @@ size_t Platform::GetSoftwareBreakpointTrapOpcode(Target &target,
     trap_opcode_size = sizeof(g_aarch64_opcode);
   } break;
 
+  case llvm::Triple::arc: {
+    static const uint8_t g_hex_opcode[] = { 0xff, 0x7f };
+    trap_opcode = g_hex_opcode;
+    trap_opcode_size = sizeof(g_hex_opcode);
+  } break;
+
   // TODO: support big-endian arm and thumb trap codes.
   case llvm::Triple::arm: {
     // The ARM reference recommends the use of 0xe7fddefe and 0xdefe but the
diff --git a/lldb/source/Target/Thread.cpp b/lldb/source/Target/Thread.cpp
index bdc0c31e468..e12b9050110 100644
--- a/lldb/source/Target/Thread.cpp
+++ b/lldb/source/Target/Thread.cpp
@@ -2061,6 +2061,7 @@ Unwind *Thread::GetUnwinder() {
     case llvm::Triple::ppc64le:
     case llvm::Triple::systemz:
     case llvm::Triple::hexagon:
+    case llvm::Triple::arc:
       m_unwinder_up.reset(new UnwindLLDB(*this));
       break;