[llvm-branch-commits] [lldb] [lldb][LoongArch] Function calls support in lldb expressions (PR #114742)
Lu Weining via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Tue Nov 5 19:47:10 PST 2024
================
@@ -0,0 +1,672 @@
+//===-- ABISysV_loongarch.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 "ABISysV_loongarch.h"
+
+#include <array>
+#include <limits>
+#include <sstream>
+
+#include "llvm/IR/DerivedTypes.h"
+
+#include "Utility/LoongArch_DWARF_Registers.h"
+#include "lldb/Core/PluginManager.h"
+#include "lldb/Core/Value.h"
+#include "lldb/Target/RegisterContext.h"
+#include "lldb/Target/StackFrame.h"
+#include "lldb/Target/Thread.h"
+#include "lldb/Utility/LLDBLog.h"
+#include "lldb/Utility/RegisterValue.h"
+#include "lldb/ValueObject/ValueObjectConstResult.h"
+
+#define DEFINE_REG_NAME(reg_num) ConstString(#reg_num).GetCString()
+#define DEFINE_REG_NAME_STR(reg_name) ConstString(reg_name).GetCString()
+
+// The ABI is not a source of such information as size, offset, encoding, etc.
+// of a register. Just provides correct dwarf and eh_frame numbers.
+
+#define DEFINE_GENERIC_REGISTER_STUB(dwarf_num, generic_num) \
+ { \
+ DEFINE_REG_NAME(dwarf_num), \
+ DEFINE_REG_NAME_STR(nullptr), \
+ 0, \
+ 0, \
+ eEncodingInvalid, \
+ eFormatDefault, \
+ {dwarf_num, dwarf_num, generic_num, LLDB_INVALID_REGNUM, dwarf_num}, \
+ nullptr, \
+ nullptr, \
+ nullptr, \
+ }
+
+#define DEFINE_REGISTER_STUB(dwarf_num) \
+ DEFINE_GENERIC_REGISTER_STUB(dwarf_num, LLDB_INVALID_REGNUM)
+
+using namespace lldb;
+using namespace lldb_private;
+
+LLDB_PLUGIN_DEFINE_ADV(ABISysV_loongarch, ABILoongArch)
+
+namespace {
+namespace dwarf {
+enum regnums {
+ r0,
+ ra,
+ r1 = ra,
----------------
SixWeining wrote:
```suggestion
r1,
ra = r1,
```
https://github.com/llvm/llvm-project/pull/114742
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