From 027f1c9655391dcb2b0117f931f720211ac933db Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 6 Sep 2015 14:32:30 +0000
Subject: Vendor import of (stripped) lldb trunk r242221:
 https://llvm.org/svn/llvm-project/lldb/trunk@242221

---
 source/Target/ThreadPlanCallFunctionUsingABI.cpp | 91 ++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 source/Target/ThreadPlanCallFunctionUsingABI.cpp

(limited to 'source/Target/ThreadPlanCallFunctionUsingABI.cpp')

diff --git a/source/Target/ThreadPlanCallFunctionUsingABI.cpp b/source/Target/ThreadPlanCallFunctionUsingABI.cpp
new file mode 100644
index 000000000000..53fabd2464e6
--- /dev/null
+++ b/source/Target/ThreadPlanCallFunctionUsingABI.cpp
@@ -0,0 +1,91 @@
+//===-- ThreadPlanCallFunctionUsingABI.cpp ------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Target/ThreadPlanCallFunctionUsingABI.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+
+// Project includes
+#include "lldb/Core/Address.h"
+#include "lldb/Core/Log.h"
+#include "lldb/Core/Stream.h"
+#include "lldb/Target/Process.h"
+#include "lldb/Target/RegisterContext.h"
+#include "lldb/Target/Target.h"
+#include "lldb/Target/Thread.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+//--------------------------------------------------------------------------------------------
+// ThreadPlanCallFunctionUsingABI: Plan to call a single function using the ABI instead of JIT
+//-------------------------------------------------------------------------------------------
+ThreadPlanCallFunctionUsingABI::ThreadPlanCallFunctionUsingABI (Thread &thread,
+                                                          const Address &function,
+                                                          llvm::Type &prototype,
+                                                          llvm::Type &return_type,
+                                                          llvm::ArrayRef<ABI::CallArgument> args,
+                                                          const EvaluateExpressionOptions &options) :
+     ThreadPlanCallFunction(thread,function,options),
+     m_return_type(return_type)
+{
+    lldb::addr_t start_load_addr = LLDB_INVALID_ADDRESS;
+    lldb::addr_t function_load_addr = LLDB_INVALID_ADDRESS;
+    ABI *abi = nullptr;
+
+    if (!ConstructorSetup(thread, abi, start_load_addr, function_load_addr))
+        return;
+
+    if (!abi->PrepareTrivialCall(thread,
+        m_function_sp,
+        function_load_addr,
+        start_load_addr,
+        prototype,
+        args))
+        return;
+
+    ReportRegisterState("ABI Function call was set up.  Register state was:");
+
+    m_valid = true;
+}
+
+ThreadPlanCallFunctionUsingABI::~ThreadPlanCallFunctionUsingABI()
+{
+
+}
+
+void
+ThreadPlanCallFunctionUsingABI::GetDescription(Stream *s, DescriptionLevel level)
+{
+    if (level == eDescriptionLevelBrief)
+    {
+        s->Printf("Function call thread plan using ABI instead of JIT");
+    }
+    else
+    {
+        TargetSP target_sp(m_thread.CalculateTarget());
+        s->Printf("Thread plan to call 0x%" PRIx64" using ABI instead of JIT", m_function_addr.GetLoadAddress(target_sp.get()));
+    }
+}
+
+void
+ThreadPlanCallFunctionUsingABI::SetReturnValue()
+{
+    ProcessSP process_sp(m_thread.GetProcess());
+    const ABI *abi = process_sp ? process_sp->GetABI().get() : NULL;
+
+    // Ask the abi for the return value
+    if (abi)
+    {
+        const bool persistent = false;
+        m_return_valobj_sp = abi->GetReturnValueObject(m_thread, m_return_type, persistent);
+    }
+}
-- 
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