Update LLDB snapshot to upstream r241361

Notable upstream commits (upstream revision in parens):

- Add a JSON producer to LLDB (228636)
- Don't crash on bad DWARF expression (228729)
- Add support of DWARFv3 DW_OP_form_tls_address (231342)
- Assembly profiler for MIPS64 (232619)
- Handle FreeBSD/arm64 core files (233273)
- Read/Write register for MIPS64 (233685)
- Rework LLDB system initialization (233758)
- SysV ABI for aarch64 (236098)
- MIPS software single stepping (236696)
- FreeBSD/arm live debugging support (237303)
- Assembly profiler for mips32 (237420)
- Parse function name from DWARF DW_AT_abstract_origin (238307)
- Improve LLDB prompt handling (238313)
- Add real time signals support to FreeBSDSignals (238316)
- Fix race in IOHandlerProcessSTDIO (238423)
- MIPS64 Branch instruction emulation for SW single stepping (238820)
- Improve OSType initialization in elf object file's arch_spec (239148)
- Emulation of MIPS64 floating-point branch instructions (239996)
- ABI Plugin for MIPS32 (239997)
- ABI Plugin for MIPS64 (240123)
- MIPS32 branch emulation and single stepping (240373)
- Improve instruction emulation based stack unwinding on ARM (240533)
- Add branch emulation to aarch64 instruction emulator (240769)

1 files changed, 85 insertions, 2 deletions

diff --git a/contrib/llvm/tools/lldb/source/Target/LanguageRuntime.cpp b/contrib/llvm/tools/lldb/source/Target/LanguageRuntime.cpp
index 358bffe..9c7b441 100644
--- a/contrib/llvm/tools/lldb/source/Target/LanguageRuntime.cpp
+++ b/contrib/llvm/tools/lldb/source/Target/LanguageRuntime.cpp
@@ -8,9 +8,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "lldb/Target/LanguageRuntime.h"
+#include "lldb/Target/ObjCLanguageRuntime.h"
 #include "lldb/Target/Target.h"
 #include "lldb/Core/PluginManager.h"
 #include "lldb/Core/SearchFilter.h"
+#include "lldb/Interpreter/CommandInterpreter.h"
 
 using namespace lldb;
 using namespace lldb_private;
@@ -277,6 +279,23 @@ LanguageRuntime::~LanguageRuntime()
 {
 }
 
+Breakpoint::BreakpointPreconditionSP
+LanguageRuntime::CreateExceptionPrecondition (lldb::LanguageType language,
+                                              bool catch_bp,
+                                              bool throw_bp)
+{
+    switch (language)
+    {
+    case eLanguageTypeObjC:
+        if (throw_bp)
+            return Breakpoint::BreakpointPreconditionSP(new ObjCLanguageRuntime::ObjCExceptionPrecondition ());
+        break;
+    default:
+        break;
+    }
+    return Breakpoint::BreakpointPreconditionSP();
+}
+
 BreakpointSP
 LanguageRuntime::CreateExceptionBreakpoint (Target &target,
                                             lldb::LanguageType language,
@@ -289,8 +308,15 @@ LanguageRuntime::CreateExceptionBreakpoint (Target &target,
     bool hardware = false;
     bool resolve_indirect_functions = false;
     BreakpointSP exc_breakpt_sp (target.CreateBreakpoint (filter_sp, resolver_sp, is_internal, hardware, resolve_indirect_functions));
-    if (is_internal)
-        exc_breakpt_sp->SetBreakpointKind("exception");
+    if (exc_breakpt_sp)
+    {
+        Breakpoint::BreakpointPreconditionSP precondition_sp = CreateExceptionPrecondition(language, catch_bp, throw_bp);
+        if (precondition_sp)
+            exc_breakpt_sp->SetPrecondition(precondition_sp);
+
+        if (is_internal)
+            exc_breakpt_sp->SetBreakpointKind("exception");
+    }
     
     return exc_breakpt_sp;
 }
@@ -337,6 +363,12 @@ struct language_name_pair language_names[] =
     {   "swift",            eLanguageTypeSwift          },
     {   "julia",            eLanguageTypeJulia          },
     {   "dylan",            eLanguageTypeDylan          },
+    {   "c++14",            eLanguageTypeC_plus_plus_14 },
+    {   "fortran03",        eLanguageTypeFortran03      },
+    {   "fortran08",        eLanguageTypeFortran08      },
+    // Vendor Extensions
+    {   "mipsassem",        eLanguageTypeMipsAssembler  },
+    {   "renderscript",     eLanguageTypeExtRenderScript},
     // Now synonyms, in arbitrary order
     {   "objc",             eLanguageTypeObjC           },
     {   "objc++",           eLanguageTypeObjC_plus_plus }
@@ -364,6 +396,57 @@ LanguageRuntime::GetNameForLanguageType (LanguageType language)
         return language_names[eLanguageTypeUnknown].name;
 }
 
+void
+LanguageRuntime::PrintAllLanguages (Stream &s, const char *prefix, const char *suffix)
+{
+    for (uint32_t i = 1; i < num_languages; i++)
+    {
+        s.Printf("%s%s%s", prefix, language_names[i].name, suffix);
+    }
+}
+
+bool
+LanguageRuntime::LanguageIsCPlusPlus (LanguageType language)
+{
+    switch (language)
+    {
+        case eLanguageTypeC_plus_plus:
+        case eLanguageTypeC_plus_plus_03:
+        case eLanguageTypeC_plus_plus_11:
+        case eLanguageTypeC_plus_plus_14:
+            return true;
+        default:
+            return false;
+    }
+}
+
+void
+LanguageRuntime::InitializeCommands (CommandObject* parent)
+{
+    if (!parent)
+        return;
+
+    if (!parent->IsMultiwordObject())
+        return;
+
+    LanguageRuntimeCreateInstance create_callback;
+
+    for (uint32_t idx = 0;
+         (create_callback = PluginManager::GetLanguageRuntimeCreateCallbackAtIndex(idx)) != nullptr;
+         ++idx)
+    {
+        if (LanguageRuntimeGetCommandObject command_callback = 
+                PluginManager::GetLanguageRuntimeGetCommandObjectAtIndex(idx))
+        {
+            CommandObjectSP command = command_callback(parent->GetCommandInterpreter());
+            if (command)
+            {
+                parent->LoadSubCommand(command->GetCommandName(), command);
+            }
+        }
+    }
+}
+
 lldb::SearchFilterSP
 LanguageRuntime::CreateExceptionSearchFilter ()
 {