asllisting.c

acpi tools for linux include acpiexec and acpixtract

    /* Create a new node */

    Lnode = UtLocalCalloc (sizeof (ASL_LISTING_NODE));

    /* Initialize */

    Lnode->Filename = Filename;
    Lnode->LineNumber = 0;

    /* Link (push) */

    Lnode->Next = Gbl_ListingNode;
    Gbl_ListingNode = Lnode;
}


/*******************************************************************************
 *
 * FUNCTION:    LsPopNode
 *
 * PARAMETERS:  None
 *
 * RETURN:      List head after current head is popped off
 *
 * DESCRIPTION: Pop the current head of the list, free it, and return the
 *              next node on the stack (the new current node).
 *
 ******************************************************************************/

static ASL_LISTING_NODE *
LsPopNode (
    void)
{
    ASL_LISTING_NODE        *Lnode;


    /* Just grab the node at the head of the list */

    Lnode = Gbl_ListingNode;
    if ((!Lnode) ||
        (!Lnode->Next))
    {
        AslError (ASL_ERROR, ASL_MSG_COMPILER_INTERNAL, NULL,
            "Could not pop empty listing stack");
        return Gbl_ListingNode;
    }

    Gbl_ListingNode = Lnode->Next;
    ACPI_FREE (Lnode);

    /* New "Current" node is the new head */

    return (Gbl_ListingNode);
}


/*******************************************************************************
 *
 * FUNCTION:    LsCheckException
 *
 * PARAMETERS:  LineNumber          - Current logical (cumulative) line #
 *              FileId              - ID of output listing file
 *
 * RETURN:      None
 *
 * DESCRIPTION: Check if there is an exception for this line, and if there is,
 *              put it in the listing immediately.  Handles multiple errors
 *              per line.  Gbl_NextError points to the next error in the
 *              sorted (by line #) list of compile errors/warnings.
 *
 ******************************************************************************/

static void
LsCheckException (
    UINT32                  LineNumber,
    UINT32                  FileId)
{

    if ((!Gbl_NextError) ||
        (LineNumber < Gbl_NextError->LogicalLineNumber ))
    {
        return;
    }

    /* Handle multiple errors per line */

    if (FileId == ASL_FILE_LISTING_OUTPUT)
    {
        while (Gbl_NextError &&
              (LineNumber >= Gbl_NextError->LogicalLineNumber))
        {
            AePrintException (FileId, Gbl_NextError, "\n[****iasl****]\n");

            Gbl_NextError = Gbl_NextError->Next;
        }

        FlPrintFile (FileId, "\n");
    }
}


/*******************************************************************************
 *
 * FUNCTION:    LsFlushListingBuffer
 *
 * PARAMETERS:  FileId          - ID of the listing file
 *
 * RETURN:      None
 *
 * DESCRIPTION: Flush out the current contents of the 16-byte hex AML code
 *              buffer.  Usually called at the termination of a single line
 *              of source code or when the buffer is full.
 *
 ******************************************************************************/

static void
LsFlushListingBuffer (
    UINT32                  FileId)
{
    UINT32                  i;


    if (Gbl_CurrentHexColumn == 0)
    {
        return;
    }

    /* Write the hex bytes */

    switch (FileId)
    {
    case ASL_FILE_LISTING_OUTPUT:

        for (i = 0; i < Gbl_CurrentHexColumn; i++)
        {
            FlPrintFile (FileId, "%2.2X ", Gbl_AmlBuffer[i]);
        }

        for (i = 0; i < ((HEX_LISTING_LINE_SIZE - Gbl_CurrentHexColumn) * 3); i++)
        {
            FlWriteFile (FileId, ".", 1);
        }

        /* Write the ASCII character associated with each of the bytes */

        LsDumpAscii (FileId, Gbl_CurrentHexColumn, Gbl_AmlBuffer);
        break;


    case ASL_FILE_ASM_SOURCE_OUTPUT:

        for (i = 0; i < Gbl_CurrentHexColumn; i++)
        {
            if (i > 0)
            {
                FlPrintFile (FileId, ",");
            }
            FlPrintFile (FileId, "0%2.2Xh", Gbl_AmlBuffer[i]);
        }

        for (i = 0; i < ((HEX_LISTING_LINE_SIZE - Gbl_CurrentHexColumn) * 5); i++)
        {
            FlWriteFile (FileId, " ", 1);
        }

        FlPrintFile (FileId, "  ;%8.8X",
            Gbl_CurrentAmlOffset - HEX_LISTING_LINE_SIZE);

        /* Write the ASCII character associated with each of the bytes */

        LsDumpAscii (FileId, Gbl_CurrentHexColumn, Gbl_AmlBuffer);
        break;


    case ASL_FILE_C_SOURCE_OUTPUT:

        for (i = 0; i < Gbl_CurrentHexColumn; i++)
        {
            FlPrintFile (FileId, "0x%2.2X,", Gbl_AmlBuffer[i]);
        }

        for (i = 0; i < ((HEX_LISTING_LINE_SIZE - Gbl_CurrentHexColumn) * 5); i++)
        {
            FlWriteFile (FileId, " ", 1);
        }

        FlPrintFile (FileId, "    /* %8.8X",
            Gbl_CurrentAmlOffset - HEX_LISTING_LINE_SIZE);

        /* Write the ASCII character associated with each of the bytes */

        LsDumpAsciiInComment (FileId, Gbl_CurrentHexColumn, Gbl_AmlBuffer);
        FlPrintFile (FileId, " */");
        break;

    default:
        /* No other types supported */
        return;
    }

    FlPrintFile (FileId, "\n");

    Gbl_CurrentHexColumn = 0;
    Gbl_HexBytesWereWritten = TRUE;
}


/*******************************************************************************
 *
 * FUNCTION:    LsWriteListingHexBytes
 *
 * PARAMETERS:  Buffer          - AML code buffer
 *              Length          - Number of AML bytes to write
 *              FileId          - ID of current listing file.
 *
 * RETURN:      None
 *
 * DESCRIPTION: Write the contents of the AML buffer to the listing file via
 *              the listing buffer.  The listing buffer is flushed every 16
 *              AML bytes.
 *
 ******************************************************************************/

static void
LsWriteListingHexBytes (
    UINT8                   *Buffer,
    UINT32                  Length,
    UINT32                  FileId)
{
    UINT32                  i;


    /* Transfer all requested bytes */

    for (i = 0; i < Length; i++)
    {
        /* Print line header when buffer is empty */

        if (Gbl_CurrentHexColumn == 0)
        {
            if (Gbl_HasIncludeFiles)
            {
                FlPrintFile (FileId, "%*s", 10, " ");
            }

            switch (FileId)
            {
            case ASL_FILE_LISTING_OUTPUT:

                FlPrintFile (FileId, "%8.8X....", Gbl_CurrentAmlOffset);
                break;

            case ASL_FILE_ASM_SOURCE_OUTPUT:

                FlPrintFile (FileId, "    db ");
                break;

            case ASL_FILE_C_SOURCE_OUTPUT:

                FlPrintFile (FileId, "        ");
                break;

            default:
                /* No other types supported */
                return;
            }
        }

        /* Transfer AML byte and update counts */

        Gbl_AmlBuffer[Gbl_CurrentHexColumn] = Buffer[i];

        Gbl_CurrentHexColumn++;
        Gbl_CurrentAmlOffset++;

        /* Flush buffer when it is full */

        if (Gbl_CurrentHexColumn >= HEX_LISTING_LINE_SIZE)
        {
            LsFlushListingBuffer (FileId);
        }
    }
}


/*******************************************************************************
 *
 * FUNCTION:    LsWriteOneSourceLine
 *
 * PARAMETERS:  FileID          - ID of current listing file
 *
 * RETURN:      FALSE on EOF (input source file), TRUE otherwise
 *
 * DESCRIPTION: Read one line from the input source file and echo it to the
 *              listing file, prefixed with the line number, and if the source
 *              file contains include files, prefixed with the current filename
 *
 ******************************************************************************/

static UINT32
LsWriteOneSourceLine (
    UINT32                  FileId)
{
    UINT8                   FileByte;


    Gbl_SourceLine++;
    Gbl_ListingNode->LineNumber++;

    if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
    {
        FlPrintFile (FileId, "     *");
    }
    if (FileId == ASL_FILE_ASM_SOURCE_OUTPUT)
    {
        FlPrintFile (FileId, "; ");
    }

    if (Gbl_HasIncludeFiles)
    {
        /*
         * This file contains "include" statements, print the current
         * filename and line number within the current file
         */
        FlPrintFile (FileId, "%12s %5d....",
                    Gbl_ListingNode->Filename, Gbl_ListingNode->LineNumber);
    }
    else
    {
        /* No include files, just print the line number */

        FlPrintFile (FileId, "%8d....", Gbl_SourceLine);
    }

    /* Read one line (up to a newline or EOF) */

    while (FlReadFile (ASL_FILE_SOURCE_OUTPUT, &FileByte, 1) == AE_OK)
    {
        if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
        {
            if (FileByte == '/')
            {
                FileByte = '*';
            }
        }

        FlWriteFile (FileId, &FileByte, 1);
        if (FileByte == '\n')
        {
            /*
             * Check if an error occurred on this source line during the compile.
             * If so, we print the error message after the source line.
             */
            LsCheckException (Gbl_SourceLine, FileId);
            return (1);
        }
    }

    /* EOF on the input file was reached */

    return (0);
}


/*******************************************************************************
 *
 * FUNCTION:    LsFinishSourceListing
 *
 * PARAMETERS:  FileId          - ID of current listing file.
 *
 * RETURN:      None
 *
 * DESCRIPTION: Cleanup routine for the listing file.  Flush the hex AML
 *              listing buffer, and flush out any remaining lines in the
 *              source input file.
 *
 ******************************************************************************/

static void
LsFinishSourceListing (
    UINT32                  FileId)
{

    if ((FileId == ASL_FILE_ASM_INCLUDE_OUTPUT) ||
        (FileId == ASL_FILE_C_INCLUDE_OUTPUT))
    {
        return;
    }

    LsFlushListingBuffer (FileId);
    Gbl_CurrentAmlOffset = 0;

    /* Flush any remaining text in the source file */

    if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
    {
        FlPrintFile (FileId, "    /*\n");
    }

    while (LsWriteOneSourceLine (FileId))
    { ; }

    if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
    {
        FlPrintFile (FileId, "\n     */\n    };\n");
    }

    FlPrintFile (FileId, "\n");

    if (FileId == ASL_FILE_LISTING_OUTPUT)
    {
        /* Print a summary of the compile exceptions */

        FlPrintFile (FileId, "\n\nSummary of errors and warnings\n\n");
        AePrintErrorLog (FileId);
        FlPrintFile (FileId, "\n\n");
        UtDisplaySummary (FileId);
        FlPrintFile (FileId, "\n\n");
    }
}


/*******************************************************************************
 *
 * FUNCTION:    LsWriteSourceLines
 *
 * PARAMETERS:  ToLineNumber            -
 *              ToLogicalLineNumber     - Write up to this source line number
 *              FileId                  - ID of current listing file
 *
 * RETURN:      None
 *
 * DESCRIPTION: Read then write source lines to the listing file until we have
 *              reached the specified logical (cumulative) line number.  This
 *              automatically echos out comment blocks and other non-AML
 *              generating text until we get to the actual AML-generating line
 *              of ASL code specified by the logical line number.
 *
 ******************************************************************************/

static void
LsWriteSourceLines (
    UINT32                  ToLineNumber,
    UINT32                  ToLogicalLineNumber,
    UINT32                  FileId)
{

    if ((FileId == ASL_FILE_ASM_INCLUDE_OUTPUT) ||
        (FileId == ASL_FILE_C_INCLUDE_OUTPUT))
    {
        return;
    }

    Gbl_CurrentLine = ToLogicalLineNumber;

    /* Flush any hex bytes remaining from the last opcode */

    LsFlushListingBuffer (FileId);

    /* Read lines and write them as long as we are not caught up */

    if (Gbl_SourceLine < Gbl_CurrentLine)
    {
        /*
         * If we just completed writing some AML hex bytes, output a linefeed
         * to add some whitespace for readability.
         */
        if (Gbl_HexBytesWereWritten)
        {
            FlPrintFile (FileId, "\n");
            Gbl_HexBytesWereWritten = FALSE;
        }

        if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
        {
            FlPrintFile (FileId, "    /*\n");
        }

        /* Write one line at a time until we have reached the target line # */

        while ((Gbl_SourceLine < Gbl_CurrentLine) &&
                LsWriteOneSourceLine (FileId))
        { ; }

        if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
        {
            FlPrintFile (FileId, "     */");
        }
        FlPrintFile (FileId, "\n");
    }
}


/*******************************************************************************
 *
 * FUNCTION:    LsWriteNodeToListing
 *
 * PARAMETERS:  Op            - Parse node to write to the listing file.