xref: /llvm-project-15.0.7/lldb/source/Core/Opcode.cpp (revision 8f7180b1)

//===-- Baton.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/Core/Opcode.h"

// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Stream.h"
#include "lldb/Host/Endian.h"

using namespace lldb;
using namespace lldb_private;


int
Opcode::Dump (Stream *s, uint32_t min_byte_width)
{
    int bytes_written = 0;
    switch (m_type)
    {
    case Opcode::eTypeInvalid:
        bytes_written = s->PutCString ("<invalid>");
        break;
    case Opcode::eType8:
        bytes_written = s->Printf ("0x%2.2x", m_data.inst8);
        break;
    case Opcode::eType16:
        bytes_written = s->Printf ("0x%4.4x", m_data.inst16);
        break;

    case Opcode::eType32:
        bytes_written = s->Printf ("0x%8.8x", m_data.inst32);
        break;

    case Opcode::eType64:
        bytes_written = s->Printf ("0x%16.16llx", m_data.inst64);
        break;

    case Opcode::eTypeBytes:
        {
            for (uint32_t i=0; i<m_data.inst.length; ++i)
            {
                if (i > 0)
                    bytes_written += s->PutChar (' ');
                bytes_written += s->Printf ("%2.2x", m_data.inst.bytes[i]);
            }
        }
        break;
    }

    // Add spaces to make sure bytes dispay comes out even in case opcodes
    // aren't all the same size
    if (bytes_written < min_byte_width)
        bytes_written = s->Printf ("%*s", min_byte_width - bytes_written, "");
    return bytes_written;
}

lldb::ByteOrder
Opcode::GetDataByteOrder () const
{
    switch (m_type)
    {
        case Opcode::eTypeInvalid: break;
        case Opcode::eType8:
        case Opcode::eType16:
        case Opcode::eType32:
        case Opcode::eType64:    return lldb::endian::InlHostByteOrder();
        case Opcode::eTypeBytes:
            break;
    }
    return eByteOrderInvalid;
}