DumpCommand.cc

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "pedigree/kernel/debugger/commands/DumpCommand.h"
#include "pedigree/kernel/processor/state.h"
#include "pedigree/kernel/processor/types.h"
#include "pedigree/kernel/utilities/utility.h"

class DebuggerIO;

DumpCommand::DumpCommand() : DebuggerCommand()
{
}

DumpCommand::~DumpCommand()
{
}

void DumpCommand::autocomplete(
    const HugeStaticString &input, HugeStaticString &output)
{
}

bool DumpCommand::execute(
    const HugeStaticString &input, HugeStaticString &output,
    InterruptState &state, DebuggerIO *pScreen)
{
    if (state.kernelMode() == true)
        output += "kernel-mode\n";
    else
        output += "user-mode\n";

    // Output all the other registers
    size_t curLength = output.length();
    for (size_t i = 0; i < state.getRegisterCount(); i++)
    {
        output += state.getRegisterName(i);
        output += ": 0x";
        output.append(
            state.getRegister(i), 16, state.getRegisterSize(i) * 2, '0');

        if (i == (state.getRegisterCount() - 1))
            output += '\n';
        else
        {
            size_t addLength = StringLength(state.getRegisterName(i + 1)) + 4 +
                               state.getRegisterSize(i + 1) * 2;
            if ((addLength + (output.length() - curLength)) > 80)
            {
                output += '\n';
                curLength = output.length();
            }
            else
                output += ' ';
        }
    }

    return true;
}