asllisting.c

acpi tools for linux include acpiexec and acpixtract

/******************************************************************************
 *
 * Module Name: asllisting - Listing file generation
 *              $Revision: 1.64 $
 *
 *****************************************************************************/

/******************************************************************************
 *
 * 1. Copyright Notice
 *
 * Some or all of this work - Copyright (c) 1999 - 2008, Intel Corp.
 * All rights reserved.
 *
 * 2. License
 *
 * 2.1. This is your license from Intel Corp. under its intellectual property
 * rights.  You may have additional license terms from the party that provided
 * you this software, covering your right to use that party's intellectual
 * property rights.
 *
 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
 * copy of the source code appearing in this file ("Covered Code") an
 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
 * base code distributed originally by Intel ("Original Intel Code") to copy,
 * make derivatives, distribute, use and display any portion of the Covered
 * Code in any form, with the right to sublicense such rights; and
 *
 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
 * license (with the right to sublicense), under only those claims of Intel
 * patents that are infringed by the Original Intel Code, to make, use, sell,
 * offer to sell, and import the Covered Code and derivative works thereof
 * solely to the minimum extent necessary to exercise the above copyright
 * license, and in no event shall the patent license extend to any additions
 * to or modifications of the Original Intel Code.  No other license or right
 * is granted directly or by implication, estoppel or otherwise;
 *
 * The above copyright and patent license is granted only if the following
 * conditions are met:
 *
 * 3. Conditions
 *
 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
 * Redistribution of source code of any substantial portion of the Covered
 * Code or modification with rights to further distribute source must include
 * the above Copyright Notice, the above License, this list of Conditions,
 * and the following Disclaimer and Export Compliance provision.  In addition,
 * Licensee must cause all Covered Code to which Licensee contributes to
 * contain a file documenting the changes Licensee made to create that Covered
 * Code and the date of any change.  Licensee must include in that file the
 * documentation of any changes made by any predecessor Licensee.  Licensee
 * must include a prominent statement that the modification is derived,
 * directly or indirectly, from Original Intel Code.
 *
 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
 * Redistribution of source code of any substantial portion of the Covered
 * Code or modification without rights to further distribute source must
 * include the following Disclaimer and Export Compliance provision in the
 * documentation and/or other materials provided with distribution.  In
 * addition, Licensee may not authorize further sublicense of source of any
 * portion of the Covered Code, and must include terms to the effect that the
 * license from Licensee to its licensee is limited to the intellectual
 * property embodied in the software Licensee provides to its licensee, and
 * not to intellectual property embodied in modifications its licensee may
 * make.
 *
 * 3.3. Redistribution of Executable. Redistribution in executable form of any
 * substantial portion of the Covered Code or modification must reproduce the
 * above Copyright Notice, and the following Disclaimer and Export Compliance
 * provision in the documentation and/or other materials provided with the
 * distribution.
 *
 * 3.4. Intel retains all right, title, and interest in and to the Original
 * Intel Code.
 *
 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
 * Intel shall be used in advertising or otherwise to promote the sale, use or
 * other dealings in products derived from or relating to the Covered Code
 * without prior written authorization from Intel.
 *
 * 4. Disclaimer and Export Compliance
 *
 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
 * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
 * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
 * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
 * PARTICULAR PURPOSE.
 *
 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
 * LIMITED REMEDY.
 *
 * 4.3. Licensee shall not export, either directly or indirectly, any of this
 * software or system incorporating such software without first obtaining any
 * required license or other approval from the U. S. Department of Commerce or
 * any other agency or department of the United States Government.  In the
 * event Licensee exports any such software from the United States or
 * re-exports any such software from a foreign destination, Licensee shall
 * ensure that the distribution and export/re-export of the software is in
 * compliance with all laws, regulations, orders, or other restrictions of the
 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
 * any of its subsidiaries will export/re-export any technical data, process,
 * software, or service, directly or indirectly, to any country for which the
 * United States government or any agency thereof requires an export license,
 * other governmental approval, or letter of assurance, without first obtaining
 * such license, approval or letter.
 *
 *****************************************************************************/


#include "aslcompiler.h"
#include "aslcompiler.y.h"
#include "amlcode.h"
#include "acparser.h"
#include "acnamesp.h"

#define _COMPONENT          ACPI_COMPILER
        ACPI_MODULE_NAME    ("aslisting")

/* Local prototypes */

static void
LsDumpAscii (
    UINT32                  FileId,
    UINT32                  Count,
    UINT8                   *Buffer);

static void
LsDumpAsciiInComment (
    UINT32                  FileId,
    UINT32                  Count,
    UINT8                   *Buffer);

static ACPI_STATUS
LsAmlListingWalk (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  Level,
    void                    *Context);

static void
LsGenerateListing (
    UINT32                  FileId);

static void
LsPushNode (
    char                    *Filename);

static ASL_LISTING_NODE *
LsPopNode (
    void);

static void
LsCheckException (
    UINT32                  LineNumber,
    UINT32                  FileId);

static void
LsFlushListingBuffer (
    UINT32                  FileId);

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

static UINT32
LsWriteOneSourceLine (
    UINT32                  FileId);

static void
LsFinishSourceListing (
    UINT32                  FileId);

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

static void
LsWriteNodeToListing (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  FileId);

static void
LsDoHexOutputC (
    void);

static void
LsDoHexOutputAsm (
    void);


/*******************************************************************************
 *
 * FUNCTION:    LsTreeWriteWalk
 *
 * PARAMETERS:  ASL_WALK_CALLBACK
 *
 *
 * RETURN:      None.
 *
 * DESCRIPTION: Dump entire parse tree, for compiler debug only
 *
 ******************************************************************************/

ACPI_STATUS
LsTreeWriteWalk (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  Level,
    void                    *Context)
{

    /* Debug output */

    DbgPrint (ASL_TREE_OUTPUT,
        "%5.5d [%2d]", Op->Asl.LogicalLineNumber, Level);
    UtPrintFormattedName (Op->Asl.ParseOpcode, Level);


    DbgPrint (ASL_TREE_OUTPUT, "\n");
    return (AE_OK);
}


void
LsDumpParseTree (
    void)
{

    if (!Gbl_DebugFlag)
    {
        return;
    }

    DbgPrint (ASL_TREE_OUTPUT, "\nOriginal parse tree from parser:\n\n");
    TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD,
        LsTreeWriteWalk, NULL, NULL);
}


/*******************************************************************************
 *
 * FUNCTION:    LsDumpAscii
 *
 * PARAMETERS:  FileId          - ID of current listing file
 *              Count           - Number of bytes to convert
 *              Buffer          - Buffer of bytes to convert
 *
 * RETURN:      None.
 *
 * DESCRIPTION: Convert hex bytes to ascii
 *
 ******************************************************************************/

static void
LsDumpAscii (
    UINT32                  FileId,
    UINT32                  Count,
    UINT8                   *Buffer)
{
    UINT8                   BufChar;
    UINT32                  i;


    FlPrintFile (FileId, "    \"");
    for (i = 0; i < Count; i++)
    {
        BufChar = Buffer[i];
        if (isprint (BufChar))
        {
            FlPrintFile (FileId, "%c", BufChar);
        }
        else
        {
            /* Not a printable character, just put out a dot */

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


/*******************************************************************************
 *
 * FUNCTION:    LsDumpAsciiInComment
 *
 * PARAMETERS:  FileId          - ID of current listing file
 *              Count           - Number of bytes to convert
 *              Buffer          - Buffer of bytes to convert
 *
 * RETURN:      None.
 *
 * DESCRIPTION: Convert hex bytes to ascii
 *
 ******************************************************************************/

static void
LsDumpAsciiInComment (
    UINT32                  FileId,
    UINT32                  Count,
    UINT8                   *Buffer)
{
    UINT8                   BufChar = 0;
    UINT8                   LastChar;
    UINT32                  i;


    FlPrintFile (FileId, "    \"");
    for (i = 0; i < Count; i++)
    {
        LastChar = BufChar;
        BufChar = Buffer[i];

        if (isprint (BufChar))
        {
            /* Handle embedded C comment sequences */

            if (((LastChar == '*') && (BufChar == '/')) ||
                ((LastChar == '/') && (BufChar == '*')))
            {
                /* Insert a space to break the sequence */

                FlPrintFile (FileId, ".", BufChar);
            }

            FlPrintFile (FileId, "%c", BufChar);
        }
        else
        {
            /* Not a printable character, just put out a dot */

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


/*******************************************************************************
 *
 * FUNCTION:    LsAmlListingWalk
 *
 * PARAMETERS:  ASL_WALK_CALLBACK
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Process one node during a listing file generation.
 *
 ******************************************************************************/

static ACPI_STATUS
LsAmlListingWalk (
    ACPI_PARSE_OBJECT       *Op,
    UINT32                  Level,
    void                    *Context)
{
    UINT8                   FileByte;
    UINT32                  i;
    UINT32                  FileId = (UINT32) ACPI_TO_INTEGER (Context);


    LsWriteNodeToListing (Op, FileId);

    if (Op->Asl.CompileFlags & NODE_IS_RESOURCE_DATA)
    {
        /* Buffer is a resource template, don't dump the data all at once */

        return (AE_OK);
    }

    /* Write the hex bytes to the listing file(s) (if requested) */

    for (i = 0; i < Op->Asl.FinalAmlLength; i++)
    {
        if (ACPI_FAILURE (FlReadFile (ASL_FILE_AML_OUTPUT, &FileByte, 1)))
        {
            FlFileError (ASL_FILE_AML_OUTPUT, ASL_MSG_READ);
            AslAbort ();
        }
        LsWriteListingHexBytes (&FileByte, 1, FileId);
    }

    return (AE_OK);
}


/*******************************************************************************
 *
 * FUNCTION:    LsGenerateListing
 *
 * PARAMETERS:  FileId      - ID of listing file
 *
 * RETURN:      None
 *
 * DESCRIPTION: Generate a listing file.  This can be one of the several types
 *              of "listings" supported.
 *
 ******************************************************************************/

static void
LsGenerateListing (
    UINT32                  FileId)
{

    /* Start at the beginning of both the source and AML files */

    FlSeekFile (ASL_FILE_SOURCE_OUTPUT, 0);
    FlSeekFile (ASL_FILE_AML_OUTPUT, 0);
    Gbl_SourceLine = 0;
    Gbl_CurrentHexColumn = 0;
    LsPushNode (Gbl_Files[ASL_FILE_INPUT].Filename);

    /* Process all parse nodes */

    TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD, LsAmlListingWalk,
                        NULL, (void *) ACPI_TO_POINTER (FileId));

    /* Final processing */

    LsFinishSourceListing (FileId);
}


/*******************************************************************************
 *
 * FUNCTION:    LsDoListings
 *
 * PARAMETERS:  None.
 *
 * RETURN:      None
 *
 * DESCRIPTION: Generate all requested listing files.
 *
 ******************************************************************************/

void
LsDoListings (
    void)
{

    if (Gbl_C_OutputFlag)
    {
        LsGenerateListing (ASL_FILE_C_SOURCE_OUTPUT);
    }

    if (Gbl_ListingFlag)
    {
        LsGenerateListing (ASL_FILE_LISTING_OUTPUT);
    }

    if (Gbl_AsmOutputFlag)
    {
        LsGenerateListing (ASL_FILE_ASM_SOURCE_OUTPUT);
    }

    if (Gbl_C_IncludeOutputFlag)
    {
        LsGenerateListing (ASL_FILE_C_INCLUDE_OUTPUT);
    }

    if (Gbl_AsmIncludeOutputFlag)
    {
        LsGenerateListing (ASL_FILE_ASM_INCLUDE_OUTPUT);
    }
}


/*******************************************************************************
 *
 * FUNCTION:    LsPushNode
 *
 * PARAMETERS:  Filename        - Pointer to the include filename
 *
 * RETURN:      None
 *
 * DESCRIPTION: Push a listing node on the listing/include file stack.  This
 *              stack enables tracking of include files (infinitely nested)
 *              and resumption of the listing of the parent file when the
 *              include file is finished.
 *
 ******************************************************************************/

static void
LsPushNode (
    char                    *Filename)
{
    ASL_LISTING_NODE        *Lnode;