ABISysV_loongarch.cpp File Reference

#include "ABISysV_loongarch.h"
#include <array>
#include <limits>
#include <sstream>
#include "llvm/IR/DerivedTypes.h"
#include "llvm/Support/MathExtras.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"

Go to the source code of this file.

Namespaces
namespace	dwarf

Macros
#define	DEFINE_REG_NAME(reg_num)   ConstString(#reg_num).GetCString()
#define	DEFINE_REG_NAME_STR(reg_name)   ConstString(reg_name).GetCString()
#define	DEFINE_GENERIC_REGISTER_STUB(dwarf_num, generic_num)
#define	DEFINE_REGISTER_STUB(dwarf_num)    DEFINE_GENERIC_REGISTER_STUB(dwarf_num, LLDB_INVALID_REGNUM)

Functions
static bool	UpdateRegister (RegisterContext *reg_ctx, const lldb::RegisterKind reg_kind, const uint32_t reg_num, const addr_t value)
static void	LogInitInfo (Log &log, const Thread &thread, addr_t sp, addr_t func_addr, addr_t return_addr, const llvm::ArrayRef< addr_t > args)
template<typename T >
static void	SetInteger (Scalar &scalar, uint64_t raw_value, bool is_signed)
static bool	SetSizedInteger (Scalar &scalar, uint64_t raw_value, uint8_t size_in_bytes, bool is_signed)
static bool	SetSizedFloat (Scalar &scalar, uint64_t raw_value, uint8_t size_in_bytes)
static ValueObjectSP	GetValObjFromIntRegs (Thread &thread, const RegisterContextSP &reg_ctx, llvm::Triple::ArchType machine, uint32_t type_flags, uint32_t byte_size)
static ValueObjectSP	GetValObjFromFPRegs (Thread &thread, const RegisterContextSP &reg_ctx, llvm::Triple::ArchType machine, uint32_t type_flags, uint32_t byte_size)
static uint32_t	GetGenericNum (llvm::StringRef name)

Variables
static constexpr size_t	g_regs_for_args_count = 8U

Macro Definition Documentation

DEFINE_GENERIC_REGISTER_STUB

#define DEFINE_GENERIC_REGISTER_STUB	(		dwarf_num,
			generic_num
	)

Value:

  {                                                                            \
      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,                                                                 \
  }

Definition at line 34 of file ABISysV_loongarch.cpp.

DEFINE_REG_NAME

#define DEFINE_REG_NAME

(

reg_num

)

ConstString(#reg_num).GetCString()

Definition at line 28 of file ABISysV_loongarch.cpp.

DEFINE_REG_NAME_STR

#define DEFINE_REG_NAME_STR

(

reg_name

)

ConstString(reg_name).GetCString()

Definition at line 29 of file ABISysV_loongarch.cpp.

DEFINE_REGISTER_STUB

#define DEFINE_REGISTER_STUB

(

dwarf_num

)

DEFINE_GENERIC_REGISTER_STUB(dwarf_num, LLDB_INVALID_REGNUM)

Definition at line 48 of file ABISysV_loongarch.cpp.

Function Documentation

GetGenericNum()

static uint32_t GetGenericNum ( llvm::StringRef  name )

static

Definition at line 626 of file ABISysV_loongarch.cpp.

References LLDB_INVALID_REGNUM, LLDB_REGNUM_GENERIC_ARG1, LLDB_REGNUM_GENERIC_ARG2, LLDB_REGNUM_GENERIC_ARG3, LLDB_REGNUM_GENERIC_ARG4, LLDB_REGNUM_GENERIC_ARG5, LLDB_REGNUM_GENERIC_ARG6, LLDB_REGNUM_GENERIC_ARG7, LLDB_REGNUM_GENERIC_ARG8, LLDB_REGNUM_GENERIC_FP, LLDB_REGNUM_GENERIC_PC, LLDB_REGNUM_GENERIC_RA, and LLDB_REGNUM_GENERIC_SP.

Referenced by ABISysV_loongarch::AugmentRegisterInfo(), and ABISysV_riscv::AugmentRegisterInfo().

GetValObjFromFPRegs()

static ValueObjectSP GetValObjFromFPRegs ( Thread &  thread, const RegisterContextSP &  reg_ctx, llvm::Triple::ArchType  machine, uint32_t  type_flags, uint32_t  byte_size  )

static

Definition at line 452 of file ABISysV_loongarch.cpp.

References lldb_private::ValueObjectConstResult::Create(), lldb_private::Value::GetScalar(), lldb_private::Thread::GetStackFrameAtIndex(), GetValObjFromIntRegs(), SetSizedFloat(), and lldb_private::Value::SetValueType().

Referenced by ABISysV_riscv::GetReturnValueObjectImpl(), ABISysV_loongarch::GetReturnValueObjectSimple(), and ABISysV_riscv::GetReturnValueObjectSimple().

GetValObjFromIntRegs()

static ValueObjectSP GetValObjFromIntRegs ( Thread &  thread, const RegisterContextSP &  reg_ctx, llvm::Triple::ArchType  machine, uint32_t  type_flags, uint32_t  byte_size  )

static

Definition at line 377 of file ABISysV_loongarch.cpp.

References lldb_private::ValueObjectConstResult::Create(), lldb::eRegisterKindGeneric, error(), lldb_private::RegisterValue::GetAsMemoryData(), lldb_private::Thread::GetProcess(), lldb_private::Value::GetRegisterInfo(), lldb_private::Value::GetScalar(), lldb_private::Thread::GetStackFrameAtIndex(), LLDB_REGNUM_GENERIC_ARG1, LLDB_REGNUM_GENERIC_ARG2, lldb_private::Value::SetBytes(), SetSizedFloat(), SetSizedInteger(), lldb_private::Value::SetValueType(), and UINT32_MAX.

Referenced by ABISysV_riscv::GetReturnValueObjectImpl(), ABISysV_loongarch::GetReturnValueObjectSimple(), ABISysV_riscv::GetReturnValueObjectSimple(), and GetValObjFromFPRegs().

LogInitInfo()

static void LogInitInfo ( Log &  log, const Thread &  thread, addr_t  sp, addr_t  func_addr, addr_t  return_addr, const llvm::ArrayRef< addr_t >  args  )

static

Definition at line 178 of file ABISysV_loongarch.cpp.

References lldb_private::UserID::GetID(), lldb_private::Log::PutString(), and sp.

Referenced by ABISysV_loongarch::PrepareTrivialCall().

SetInteger()

template<typename T >

static void SetInteger ( Scalar &  scalar, uint64_t  raw_value, bool  is_signed  )

static

Definition at line 324 of file ABISysV_loongarch.cpp.

SetSizedFloat()

static bool SetSizedFloat ( Scalar &  scalar, uint64_t  raw_value, uint8_t  size_in_bytes  )

static

Definition at line 359 of file ABISysV_loongarch.cpp.

Referenced by GetValObjFromFPRegs(), and GetValObjFromIntRegs().

SetSizedInteger()

static bool SetSizedInteger ( Scalar &  scalar, uint64_t  raw_value, uint8_t  size_in_bytes, bool  is_signed  )

static

Definition at line 333 of file ABISysV_loongarch.cpp.

Referenced by GetValObjFromIntRegs().

UpdateRegister()

static bool UpdateRegister ( RegisterContext *  reg_ctx, const lldb::RegisterKind  reg_kind, const uint32_t  reg_num, const addr_t  value  )

static

Definition at line 162 of file ABISysV_loongarch.cpp.

References lldb_private::GetLog(), lldb_private::RegisterContext::GetRegisterInfo(), LLDB_LOG, lldb_private::RegisterInfo::name, and lldb_private::RegisterContext::WriteRegisterFromUnsigned().

Referenced by ABISysV_loongarch::PrepareTrivialCall().

Variable Documentation

g_regs_for_args_count

constexpr size_t g_regs_for_args_count = 8U

staticconstexpr

Definition at line 136 of file ABISysV_loongarch.cpp.

Referenced by ABISysV_loongarch::PrepareTrivialCall().