HyperDbg/hyperdbg/script-engine/code/hardware.c

/**
 * @file hardware.c
 * @author Sina Karvandi (sina@hyperdbg.org)
 * @brief Hardware (chip debugger) related functions
 * @details
 * @version 0.11
 * @date 2024-09-25
 *
 * @copyright This project is released under the GNU Public License v3.
 *
 */
#include "pch.h"

/**
 * @brief Shows the script capabilities of the target debuggee
 *
 * @param InstanceInfo
 *
 * @return VOID
 */
VOID
HardwareScriptInterpreterShowScriptCapabilities(HWDBG_INSTANCE_INFORMATION * InstanceInfo)
{
    ShowMessages("\nThis debuggee supports the following operators:\n");
    ShowMessages("\tlocal and global variable assignments: %s (maximum number of var: %d) \n",
                 InstanceInfo->scriptCapabilities.assign_local_global_var ? "supported" : "not supported",
                 InstanceInfo->numberOfSupportedLocalAndGlobalVariables);
    ShowMessages("\tregisters (pin/ports) assignment: %s \n",
                 InstanceInfo->scriptCapabilities.assign_registers ? "supported" : "not supported");
    ShowMessages("\tpseudo-registers assignment: %s \n",
                 InstanceInfo->scriptCapabilities.assign_pseudo_registers ? "supported" : "not supported");
    ShowMessages("\tconditional statements and comparison operators: %s \n",
                 InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators ? "supported" : "not supported");

    ShowMessages("\tor: %s \n", InstanceInfo->scriptCapabilities.func_or ? "supported" : "not supported");
    ShowMessages("\txor: %s \n", InstanceInfo->scriptCapabilities.func_xor ? "supported" : "not supported");
    ShowMessages("\tand: %s \n", InstanceInfo->scriptCapabilities.func_and ? "supported" : "not supported");
    ShowMessages("\tarithmetic shift right: %s \n", InstanceInfo->scriptCapabilities.func_asr ? "supported" : "not supported");
    ShowMessages("\tarithmetic shift left: %s \n", InstanceInfo->scriptCapabilities.func_asl ? "supported" : "not supported");
    ShowMessages("\taddition: %s \n", InstanceInfo->scriptCapabilities.func_add ? "supported" : "not supported");
    ShowMessages("\tsubtraction: %s \n", InstanceInfo->scriptCapabilities.func_sub ? "supported" : "not supported");
    ShowMessages("\tmultiplication: %s \n", InstanceInfo->scriptCapabilities.func_mul ? "supported" : "not supported");
    ShowMessages("\tdivision: %s \n", InstanceInfo->scriptCapabilities.func_div ? "supported" : "not supported");
    ShowMessages("\tmodulus: %s \n", InstanceInfo->scriptCapabilities.func_mod ? "supported" : "not supported");

    ShowMessages("\tgreater than: %s \n",
                 (InstanceInfo->scriptCapabilities.func_gt && InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators) ? "supported" : "not supported");
    ShowMessages("\tless than: %s \n",
                 (InstanceInfo->scriptCapabilities.func_lt && InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators) ? "supported" : "not supported");
    ShowMessages("\tgreater than or equal to: %s \n",
                 (InstanceInfo->scriptCapabilities.func_egt && InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators) ? "supported" : "not supported");
    ShowMessages("\tless than or equal to: %s \n",
                 (InstanceInfo->scriptCapabilities.func_elt && InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators) ? "supported" : "not supported");
    ShowMessages("\tequal: %s \n",
                 (InstanceInfo->scriptCapabilities.func_equal && InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators) ? "supported" : "not supported");
    ShowMessages("\tnot equal: %s \n",
                 (InstanceInfo->scriptCapabilities.func_neq && InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators) ? "supported" : "not supported");
    ShowMessages("\tjump: %s \n",
                 (InstanceInfo->scriptCapabilities.func_jmp && InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators) ? "supported" : "not supported");
    ShowMessages("\tjump if zero: %s \n",
                 (InstanceInfo->scriptCapabilities.func_jz && InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators) ? "supported" : "not supported");
    ShowMessages("\tjump if not zero: %s \n",
                 (InstanceInfo->scriptCapabilities.func_jnz && InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators) ? "supported" : "not supported");
    ShowMessages("\tmove: %s \n", InstanceInfo->scriptCapabilities.func_mov ? "supported" : "not supported");
    ShowMessages("\tprintf: %s \n", InstanceInfo->scriptCapabilities.func_printf ? "supported" : "not supported");
    ShowMessages("\n");
}

/**
 * @brief Check the script capabilities with the target script buffer
 *
 * @param InstanceInfo
 * @param ScriptBuffer
 * @param CountOfScriptSymbolChunks
 * @param NumberOfStages
 * @param NumberOfOperands
 * @param NumberOfOperandsImplemented
 *
 * @return BOOLEAN TRUE if the script capabilities support the script, otherwise FALSE
 */
BOOLEAN
HardwareScriptInterpreterCheckScriptBufferWithScriptCapabilities(HWDBG_INSTANCE_INFORMATION * InstanceInfo,
                                                                 PVOID                        ScriptBuffer,
                                                                 UINT32                       CountOfScriptSymbolChunks,
                                                                 UINT32 *                     NumberOfStages,
                                                                 UINT32 *                     NumberOfOperands,
                                                                 UINT32 *                     NumberOfOperandsImplemented)
{
    BOOLEAN  NotSupported = FALSE;
    SYMBOL * SymbolArray  = (SYMBOL *)ScriptBuffer;

    UINT32 Stages              = 0;
    UINT32 Operands            = 0;
    UINT32 NumberOfGetOperands = 0;
    UINT32 NumberOfSetOperands = 0;

    for (size_t i = 0; i < CountOfScriptSymbolChunks; i++)
    {
        if (SymbolArray[i].Type != SYMBOL_SEMANTIC_RULE_TYPE)
        {
            //
            // *** For operands ***
            //
            Operands++;
            ShowMessages("  \t%lld. found a non-semnatic rule (operand) | type: 0x%llx, value: 0x%llx\n", i, SymbolArray[i].Type, SymbolArray[i].Value);

            //
            // Validate the operand
            //
            switch (SymbolArray[i].Type)
            {
            case SYMBOL_GLOBAL_ID_TYPE:
            case SYMBOL_LOCAL_ID_TYPE:

                if (!InstanceInfo->scriptCapabilities.assign_local_global_var)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, global/local variable assignment is not supported\n");
                }

                if (SymbolArray[i].Value >= InstanceInfo->numberOfSupportedLocalAndGlobalVariables)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, global/local variable index is out of range of supported by this instance of hwdbg\n");
                }

                break;

            case SYMBOL_UNDEFINED:
            case SYMBOL_NUM_TYPE:

                //
                // No need to check
                //
                break;

            case SYMBOL_REGISTER_TYPE:

                if (!InstanceInfo->scriptCapabilities.assign_registers)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, register assignment is not supported\n");
                }
                break;

            case SYMBOL_PSEUDO_REG_TYPE:

                if (!InstanceInfo->scriptCapabilities.assign_pseudo_registers)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, pseudo register index is not supported\n");
                }
                break;

            case SYMBOL_TEMP_TYPE:

                if (!InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, temporary variables (for conditional statement) is not supported\n");
                }

                if (SymbolArray[i].Value >= InstanceInfo->numberOfSupportedTemporaryVariables)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, temp variable index (number of operands for conditional statements) is out of range of supported by this instance of hwdbg\n");
                }

                break;

            case SYMBOL_STACK_INDEX_TYPE:

                if (!InstanceInfo->scriptCapabilities.stack_assignments)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, temporary variables (for conditional statement) is not supported\n");
                }

                break;

            default:

                NotSupported = TRUE;
                ShowMessages("err, unknown operand type: %lld (0x%llx)\n", SymbolArray[i].Type, SymbolArray[i].Type);
                break;
            }
        }
        else
        {
            //
            // *** For operators ***
            //
            Stages++;
            ShowMessages("- %lld. found a semnatic rule (operator) | type: 0x%llx, value: 0x%llx\n", i, SymbolArray[i].Type, SymbolArray[i].Value);

            if (FuncGetNumberOfOperands(SymbolArray[i].Type, &NumberOfGetOperands, &NumberOfSetOperands) == FALSE)
            {
                NotSupported = TRUE;
                ShowMessages("err, unknown operand type for the operator (0x%llx)\n",
                             SymbolArray[i].Type);

                return FALSE;
            }

            //
            // Validate the operator
            //
            switch (SymbolArray[i].Value)
            {
            case FUNC_OR:
                if (!InstanceInfo->scriptCapabilities.func_or)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, OR is not supported by the debuggee\n");
                }
                break;

            case FUNC_XOR:
                if (!InstanceInfo->scriptCapabilities.func_xor)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, XOR is not supported by the debuggee\n");
                }
                break;

            case FUNC_AND:
                if (!InstanceInfo->scriptCapabilities.func_and)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, AND is not supported by the debuggee\n");
                }
                break;

            case FUNC_ASR:
                if (!InstanceInfo->scriptCapabilities.func_asr)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, arithmetic shift right is not supported by the debuggee\n");
                }
                break;

            case FUNC_ASL:
                if (!InstanceInfo->scriptCapabilities.func_asl)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, arithmetic shift left is not supported by the debuggee\n");
                }
                break;

            case FUNC_ADD:
                if (!InstanceInfo->scriptCapabilities.func_add)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, addition is not supported by the debuggee\n");
                }
                break;

            case FUNC_SUB:
                if (!InstanceInfo->scriptCapabilities.func_sub)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, subtraction is not supported by the debuggee\n");
                }
                break;

            case FUNC_MUL:
                if (!InstanceInfo->scriptCapabilities.func_mul)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, multiplication is not supported by the debuggee\n");
                }
                break;

            case FUNC_DIV:
                if (!InstanceInfo->scriptCapabilities.func_div)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, division is not supported by the debuggee\n");
                }
                break;

            case FUNC_MOD:
                if (!InstanceInfo->scriptCapabilities.func_mod)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, modulus is not supported by the debuggee\n");
                }
                break;

            case FUNC_GT:

                if (!InstanceInfo->scriptCapabilities.func_gt ||
                    !InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, greater than is not supported by the debuggee\n");
                }
                break;

            case FUNC_LT:
                if (!InstanceInfo->scriptCapabilities.func_lt ||
                    !InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, less than is not supported by the debuggee\n");
                }
                break;

            case FUNC_EGT:
                if (!InstanceInfo->scriptCapabilities.func_egt ||
                    !InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, greater than or equal to is not supported by the debuggee\n");
                }
                break;

            case FUNC_ELT:
                if (!InstanceInfo->scriptCapabilities.func_elt ||
                    !InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, less than or equal to is not supported by the debuggee\n");
                }
                break;

            case FUNC_EQUAL:
                if (!InstanceInfo->scriptCapabilities.func_equal ||
                    !InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, equal is not supported by the debuggee\n");
                }
                break;

            case FUNC_NEQ:
                if (!InstanceInfo->scriptCapabilities.func_neq ||
                    !InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, not equal is not supported by the debuggee\n");
                }
                break;

            case FUNC_JMP:
                if (!InstanceInfo->scriptCapabilities.func_jmp ||
                    !InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, jump is not supported by the debuggee\n");
                }
                break;

            case FUNC_JZ:
                if (!InstanceInfo->scriptCapabilities.func_jz ||
                    !InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, jump if zero is not supported by the debuggee\n");
                }
                break;

            case FUNC_JNZ:
                if (!InstanceInfo->scriptCapabilities.func_jnz ||
                    !InstanceInfo->scriptCapabilities.conditional_statements_and_comparison_operators)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, jump if not zero is not supported by the debuggee\n");
                }
                break;

            case FUNC_MOV:
                if (!InstanceInfo->scriptCapabilities.func_mov)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, move is not supported by the debuggee\n");
                }
                break;

            case FUNC_PRINTF:
                if (!InstanceInfo->scriptCapabilities.func_printf)
                {
                    NotSupported = TRUE;
                    ShowMessages("err, printf is not supported by the debuggee\n");
                }
                break;

            default:

                NotSupported = TRUE;
                ShowMessages("err, undefined operator for hwdbg: %lld (0x%llx)\n",
                             SymbolArray[i].Type,
                             SymbolArray[i].Type);

                break;
            }
        }
    }

    //
    // Set the number of stages
    //
    *NumberOfStages = Stages;

    //
    // Set the number of operands
    //
    *NumberOfOperands = Operands;

    //
    // Set the number of operands implemented
    //
    *NumberOfOperandsImplemented = *NumberOfStages * (InstanceInfo->maximumNumberOfSupportedGetScriptOperators + InstanceInfo->maximumNumberOfSupportedSetScriptOperators);

    //
    // Script capabilities support this buffer
    //
    if (NotSupported)
    {
        return FALSE;
    }
    else
    {
        return TRUE;
    }
}

/**
 * @brief Function to compress the buffer
 *
 * @param Buffer
 * @param BufferLength
 * @param ScriptVariableLength
 * @param BramDataWidth
 * @param NewBufferSize
 * @param NumberOfBytesPerChunk
 *
 * @return BOOLEAN
 */
BOOLEAN
HardwareScriptInterpreterCompressBuffer(UINT64 * Buffer,
                                        size_t   BufferLength,
                                        UINT32   ScriptVariableLength,
                                        UINT32   BramDataWidth,
                                        size_t * NewBufferSize,
                                        size_t * NumberOfBytesPerChunk)
{
    if (ScriptVariableLength <= 7 || ScriptVariableLength > 64)
    {
        ShowMessages("err, invalid bit size, it should be between 7 and 64\n");
        return FALSE;
    }

    if (ScriptVariableLength > BramDataWidth)
    {
        ShowMessages("err, script variable length cannot be more than the BRAM data width\n");
        return FALSE;
    }

    //
    // Calculate the number of 64-bit chunks
    //
    size_t NumberOfChunks = BufferLength / sizeof(UINT64);

    //
    // Calculate the number of bytes needed for the new compressed buffer
    //
    size_t NewBytesPerChunk = (BramDataWidth + 7) / 8; // ceil(BramDataWidth / 8)
    *NumberOfBytesPerChunk  = NewBytesPerChunk;

    *NewBufferSize = NumberOfChunks * NewBytesPerChunk;

    //
    // Create a temporary buffer to hold the compressed data
    //
    UINT8 * TempBuffer = (UINT8 *)malloc(*NewBufferSize);

    if (TempBuffer == NULL)
    {
        ShowMessages("err, memory allocation failed\n");
        return FALSE;
    }

    //
    // Compress each chunk and store it in the temporary buffer
    //
    for (size_t i = 0; i < NumberOfChunks; ++i)
    {
        uint64_t Chunk = Buffer[i];
        for (size_t j = 0; j < NewBytesPerChunk; ++j)
        {
            TempBuffer[i * NewBytesPerChunk + j] = (uint8_t)((Chunk >> (j * 8)) & 0xFF);
        }
    }

    //
    // Copy the compressed data back to the original buffer
    //
    RtlZeroMemory(Buffer, BufferLength);
    memcpy(Buffer, TempBuffer, *NewBufferSize);

    //
    // Free the temporary buffer
    //
    free(TempBuffer);

    return TRUE;
}

/**
 * @brief Function to compress the buffer
 *
 * @param InstanceInfo
 * @param SymbolBuffer
 * @param SymbolBufferLength
 * @param NumberOfStages
 * @param NewShortSymbolBuffer
 * @param NewBufferSize
 *
 * @return BOOLEAN
 */
BOOLEAN
HardwareScriptInterpreterConvertSymbolToHwdbgShortSymbolBuffer(
    HWDBG_INSTANCE_INFORMATION * InstanceInfo,
    SYMBOL *                     SymbolBuffer,
    size_t                       SymbolBufferLength,
    UINT32                       NumberOfStages,
    HWDBG_SHORT_SYMBOL **        NewShortSymbolBuffer,
    size_t *                     NewBufferSize)

{
    //
    // Check if the instance info is valid
    //
    if (!g_HwdbgInstanceInfoIsValid)
    {
        ShowMessages("err, instance info is not valid\n");
        return FALSE;
    }

    //
    // Compute the number of symbol operators
    //
    UINT32 NumberOfOperands = InstanceInfo->maximumNumberOfSupportedGetScriptOperators + InstanceInfo->maximumNumberOfSupportedSetScriptOperators;

    SIZE_T NumberOfSymbols = SymbolBufferLength / sizeof(SymbolBuffer[0]);

    *NewBufferSize = NumberOfStages * (NumberOfOperands + 1) * sizeof(HWDBG_SHORT_SYMBOL); // number of stage + maximum number of operands

    //
    // Create a temporary buffer to hold the compressed data
    //
    HWDBG_SHORT_SYMBOL * HwdbgShortSymbolBuffer = (HWDBG_SHORT_SYMBOL *)malloc(*NewBufferSize);

    if (!HwdbgShortSymbolBuffer)
    {
        ShowMessages("err, could not allocate compression buffer\n");
        return FALSE;
    }

    //
    // Zeroing the short symbol buffer
    //
    RtlZeroMemory(HwdbgShortSymbolBuffer, *NewBufferSize);

    //
    // Filling the short symbol buffer from original buffer
    //
    UINT32 IndexOfShortSymbolBuffer = 0;

    for (UINT32 i = 0; i < NumberOfSymbols; i++)
    {
        if (SymbolBuffer[i].Type == SYMBOL_SEMANTIC_RULE_TYPE)
        {
            //
            // *** This is an operator ***
            //

            //
            // Move the symbol buffer into a short symbol buffer
            //
            HwdbgShortSymbolBuffer[IndexOfShortSymbolBuffer].Type  = SymbolBuffer[i].Type;
            HwdbgShortSymbolBuffer[IndexOfShortSymbolBuffer].Value = SymbolBuffer[i].Value;

            //
            // Now we read the number of operands (SET and GET)
            //
            UINT32 NumberOfGetOperands = 0;
            UINT32 NumberOfSetOperands = 0;

            if (!FuncGetNumberOfOperands(SymbolBuffer[i].Value, &NumberOfGetOperands, &NumberOfSetOperands))
            {
                ShowMessages("err, unknown operand type for the operator (0x%llx)\n",
                             SymbolBuffer[i].Value);

                free(HwdbgShortSymbolBuffer);
                return FALSE;
            }

            //
            // Check if the number of GET operands is more than the maximum supported GET operands
            //
            if (NumberOfGetOperands > InstanceInfo->maximumNumberOfSupportedGetScriptOperators)
            {
                ShowMessages("err, the number of get operands is more than the maximum supported get operands\n");
                free(HwdbgShortSymbolBuffer);
                return FALSE;
            }

            //
            // Check if the number of SET operands is more than the maximum supported SET operands
            //
            if (NumberOfSetOperands > InstanceInfo->maximumNumberOfSupportedSetScriptOperators)
            {
                ShowMessages("err, the number of set operands is more than the maximum supported set operands\n");
                free(HwdbgShortSymbolBuffer);
                return FALSE;
            }

            //
            // *** Now we need to fill operands (GET) ***
            //
            for (size_t j = 0; j < NumberOfGetOperands; j++)
            {
                i++;
                IndexOfShortSymbolBuffer++;

                if (SymbolBuffer[i].Type == SYMBOL_SEMANTIC_RULE_TYPE)
                {
                    ShowMessages("err, not expecting a semantic rule at operand: %llx\n", SymbolBuffer[i].Value);
                    free(HwdbgShortSymbolBuffer);
                    return FALSE;
                }

                //
                // Move the symbol buffer into a short symbol buffer
                //
                HwdbgShortSymbolBuffer[IndexOfShortSymbolBuffer].Type  = SymbolBuffer[i].Type;
                HwdbgShortSymbolBuffer[IndexOfShortSymbolBuffer].Value = SymbolBuffer[i].Value;
            }

            //
            // Leave empty space for GET operands that are not used for this operator
            //
            IndexOfShortSymbolBuffer = IndexOfShortSymbolBuffer + InstanceInfo->maximumNumberOfSupportedGetScriptOperators - NumberOfGetOperands;

            //
            // *** Now we need to fill operands (SET) ***
            //
            for (size_t j = 0; j < NumberOfSetOperands; j++)
            {
                i++;
                IndexOfShortSymbolBuffer++;

                if (SymbolBuffer[i].Type == SYMBOL_SEMANTIC_RULE_TYPE)
                {
                    ShowMessages("err, not expecting a semantic rule at operand: %llx\n", SymbolBuffer[i].Value);
                    free(HwdbgShortSymbolBuffer);
                    return FALSE;
                }

                //
                // Move the symbol buffer into a short symbol buffer
                //
                HwdbgShortSymbolBuffer[IndexOfShortSymbolBuffer].Type  = SymbolBuffer[i].Type;
                HwdbgShortSymbolBuffer[IndexOfShortSymbolBuffer].Value = SymbolBuffer[i].Value;
            }

            //
            // Leave empty space for SET operands that are not used for this operator
            //
            IndexOfShortSymbolBuffer = IndexOfShortSymbolBuffer + InstanceInfo->maximumNumberOfSupportedSetScriptOperators - NumberOfSetOperands;

            //
            // Increment the index of the short symbol buffer
            //
            IndexOfShortSymbolBuffer++;
        }
        else
        {
            //
            // Error, we are not expecting a non-semantic rule here
            //
            ShowMessages("err, not expecting a non-semantic rule at: %llx\n", SymbolBuffer[i].Type);
            free(HwdbgShortSymbolBuffer);
            return FALSE;
        }
    }

    //
    // Set the new short symbol buffer address
    //
    *NewShortSymbolBuffer = (HWDBG_SHORT_SYMBOL *)HwdbgShortSymbolBuffer;

    return TRUE;
}

/**
 * @brief Function free the short symbol buffer
 *
 * @param NewShortSymbolBuffer
 *
 * @return VOID
 */
VOID
HardwareScriptInterpreterFreeHwdbgShortSymbolBuffer(HWDBG_SHORT_SYMBOL * NewShortSymbolBuffer)
{
    if (NewShortSymbolBuffer)
    {
        free(NewShortSymbolBuffer);
    }
}