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| Current File : //usr/src/sys/contrib/dev/acpica/compiler/aslfiles.c |
/******************************************************************************
*
* Module Name: aslfiles - file I/O suppoert
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <contrib/dev/acpica/compiler/aslcompiler.h>
#include <contrib/dev/acpica/include/acapps.h>
#define _COMPONENT ACPI_COMPILER
ACPI_MODULE_NAME ("aslfiles")
/* Local prototypes */
static FILE *
FlOpenIncludeWithPrefix (
char *PrefixDir,
char *Filename);
#ifdef ACPI_OBSOLETE_FUNCTIONS
ACPI_STATUS
FlParseInputPathname (
char *InputFilename);
#endif
/*******************************************************************************
*
* FUNCTION: AslAbort
*
* PARAMETERS: None
*
* RETURN: None
*
* DESCRIPTION: Dump the error log and abort the compiler. Used for serious
* I/O errors
*
******************************************************************************/
void
AslAbort (
void)
{
AePrintErrorLog (ASL_FILE_STDOUT);
if (Gbl_DebugFlag)
{
/* Print error summary to the debug file */
AePrintErrorLog (ASL_FILE_STDERR);
}
exit (1);
}
/*******************************************************************************
*
* FUNCTION: FlFileError
*
* PARAMETERS: FileId - Index into file info array
* ErrorId - Index into error message array
*
* RETURN: None
*
* DESCRIPTION: Decode errno to an error message and add the entire error
* to the error log.
*
******************************************************************************/
void
FlFileError (
UINT32 FileId,
UINT8 ErrorId)
{
sprintf (MsgBuffer, "\"%s\" (%s)", Gbl_Files[FileId].Filename,
strerror (errno));
AslCommonError (ASL_ERROR, ErrorId, 0, 0, 0, 0, NULL, MsgBuffer);
}
/*******************************************************************************
*
* FUNCTION: FlOpenFile
*
* PARAMETERS: FileId - Index into file info array
* Filename - file pathname to open
* Mode - Open mode for fopen
*
* RETURN: None
*
* DESCRIPTION: Open a file.
* NOTE: Aborts compiler on any error.
*
******************************************************************************/
void
FlOpenFile (
UINT32 FileId,
char *Filename,
char *Mode)
{
FILE *File;
File = fopen (Filename, Mode);
Gbl_Files[FileId].Filename = Filename;
Gbl_Files[FileId].Handle = File;
if (!File)
{
FlFileError (FileId, ASL_MSG_OPEN);
AslAbort ();
}
}
/*******************************************************************************
*
* FUNCTION: FlGetFileSize
*
* PARAMETERS: FileId - Index into file info array
*
* RETURN: File Size
*
* DESCRIPTION: Get current file size. Uses seek-to-EOF. File must be open.
*
******************************************************************************/
UINT32
FlGetFileSize (
UINT32 FileId)
{
FILE *fp;
UINT32 FileSize;
fp = Gbl_Files[FileId].Handle;
fseek (fp, 0, SEEK_END);
FileSize = (UINT32) ftell (fp);
fseek (fp, 0, SEEK_SET);
return (FileSize);
}
/*******************************************************************************
*
* FUNCTION: FlReadFile
*
* PARAMETERS: FileId - Index into file info array
* Buffer - Where to place the data
* Length - Amount to read
*
* RETURN: Status. AE_ERROR indicates EOF.
*
* DESCRIPTION: Read data from an open file.
* NOTE: Aborts compiler on any error.
*
******************************************************************************/
ACPI_STATUS
FlReadFile (
UINT32 FileId,
void *Buffer,
UINT32 Length)
{
UINT32 Actual;
/* Read and check for error */
Actual = fread (Buffer, 1, Length, Gbl_Files[FileId].Handle);
if (Actual != Length)
{
if (feof (Gbl_Files[FileId].Handle))
{
/* End-of-file, just return error */
return (AE_ERROR);
}
FlFileError (FileId, ASL_MSG_READ);
AslAbort ();
}
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: FlWriteFile
*
* PARAMETERS: FileId - Index into file info array
* Buffer - Data to write
* Length - Amount of data to write
*
* RETURN: None
*
* DESCRIPTION: Write data to an open file.
* NOTE: Aborts compiler on any error.
*
******************************************************************************/
void
FlWriteFile (
UINT32 FileId,
void *Buffer,
UINT32 Length)
{
UINT32 Actual;
/* Write and check for error */
Actual = fwrite ((char *) Buffer, 1, Length, Gbl_Files[FileId].Handle);
if (Actual != Length)
{
FlFileError (FileId, ASL_MSG_WRITE);
AslAbort ();
}
}
/*******************************************************************************
*
* FUNCTION: FlPrintFile
*
* PARAMETERS: FileId - Index into file info array
* Format - Printf format string
* ... - Printf arguments
*
* RETURN: None
*
* DESCRIPTION: Formatted write to an open file.
* NOTE: Aborts compiler on any error.
*
******************************************************************************/
void
FlPrintFile (
UINT32 FileId,
char *Format,
...)
{
INT32 Actual;
va_list Args;
va_start (Args, Format);
Actual = vfprintf (Gbl_Files[FileId].Handle, Format, Args);
va_end (Args);
if (Actual == -1)
{
FlFileError (FileId, ASL_MSG_WRITE);
AslAbort ();
}
}
/*******************************************************************************
*
* FUNCTION: FlSeekFile
*
* PARAMETERS: FileId - Index into file info array
* Offset - Absolute byte offset in file
*
* RETURN: None
*
* DESCRIPTION: Seek to absolute offset
* NOTE: Aborts compiler on any error.
*
******************************************************************************/
void
FlSeekFile (
UINT32 FileId,
long Offset)
{
int Error;
Error = fseek (Gbl_Files[FileId].Handle, Offset, SEEK_SET);
if (Error)
{
FlFileError (FileId, ASL_MSG_SEEK);
AslAbort ();
}
}
/*******************************************************************************
*
* FUNCTION: FlCloseFile
*
* PARAMETERS: FileId - Index into file info array
*
* RETURN: None
*
* DESCRIPTION: Close an open file. Aborts compiler on error
*
******************************************************************************/
void
FlCloseFile (
UINT32 FileId)
{
int Error;
if (!Gbl_Files[FileId].Handle)
{
return;
}
Error = fclose (Gbl_Files[FileId].Handle);
Gbl_Files[FileId].Handle = NULL;
if (Error)
{
FlFileError (FileId, ASL_MSG_CLOSE);
AslAbort ();
}
return;
}
/*******************************************************************************
*
* FUNCTION: FlSetLineNumber
*
* PARAMETERS: Op - Parse node for the LINE asl statement
*
* RETURN: None.
*
* DESCRIPTION: Set the current line number
*
******************************************************************************/
void
FlSetLineNumber (
ACPI_PARSE_OBJECT *Op)
{
Gbl_CurrentLineNumber = (UINT32) Op->Asl.Value.Integer;
Gbl_LogicalLineNumber = (UINT32) Op->Asl.Value.Integer;
}
/*******************************************************************************
*
* FUNCTION: FlAddIncludeDirectory
*
* PARAMETERS: Dir - Directory pathname string
*
* RETURN: None
*
* DESCRIPTION: Add a directory the list of include prefix directories.
*
******************************************************************************/
void
FlAddIncludeDirectory (
char *Dir)
{
ASL_INCLUDE_DIR *NewDir;
ASL_INCLUDE_DIR *NextDir;
ASL_INCLUDE_DIR *PrevDir = NULL;
UINT32 NeedsSeparator = 0;
size_t DirLength;
DirLength = strlen (Dir);
if (!DirLength)
{
return;
}
/* Make sure that the pathname ends with a path separator */
if ((Dir[DirLength-1] != '/') &&
(Dir[DirLength-1] != '\\'))
{
NeedsSeparator = 1;
}
NewDir = ACPI_ALLOCATE_ZEROED (sizeof (ASL_INCLUDE_DIR));
NewDir->Dir = ACPI_ALLOCATE (DirLength + 1 + NeedsSeparator);
strcpy (NewDir->Dir, Dir);
if (NeedsSeparator)
{
strcat (NewDir->Dir, "/");
}
/*
* Preserve command line ordering of -I options by adding new elements
* at the end of the list
*/
NextDir = Gbl_IncludeDirList;
while (NextDir)
{
PrevDir = NextDir;
NextDir = NextDir->Next;
}
if (PrevDir)
{
PrevDir->Next = NewDir;
}
else
{
Gbl_IncludeDirList = NewDir;
}
}
/*******************************************************************************
*
* FUNCTION: FlOpenIncludeWithPrefix
*
* PARAMETERS: PrefixDir - Prefix directory pathname. Can be a zero
* length string.
* Filename - The include filename from the source ASL.
*
* RETURN: Valid file descriptor if successful. Null otherwise.
*
* DESCRIPTION: Open an include file and push it on the input file stack.
*
******************************************************************************/
static FILE *
FlOpenIncludeWithPrefix (
char *PrefixDir,
char *Filename)
{
FILE *IncludeFile;
char *Pathname;
/* Build the full pathname to the file */
Pathname = ACPI_ALLOCATE (strlen (PrefixDir) + strlen (Filename) + 1);
strcpy (Pathname, PrefixDir);
strcat (Pathname, Filename);
DbgPrint (ASL_PARSE_OUTPUT, "\nAttempt to open include file: path %s\n\n",
Pathname);
/* Attempt to open the file, push if successful */
IncludeFile = fopen (Pathname, "r");
if (IncludeFile)
{
/* Push the include file on the open input file stack */
AslPushInputFileStack (IncludeFile, Pathname);
return (IncludeFile);
}
ACPI_FREE (Pathname);
return (NULL);
}
/*******************************************************************************
*
* FUNCTION: FlOpenIncludeFile
*
* PARAMETERS: Op - Parse node for the INCLUDE ASL statement
*
* RETURN: None.
*
* DESCRIPTION: Open an include file and push it on the input file stack.
*
******************************************************************************/
void
FlOpenIncludeFile (
ACPI_PARSE_OBJECT *Op)
{
FILE *IncludeFile;
ASL_INCLUDE_DIR *NextDir;
/* Op must be valid */
if (!Op)
{
AslCommonError (ASL_ERROR, ASL_MSG_INCLUDE_FILE_OPEN,
Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
Gbl_InputByteCount, Gbl_CurrentColumn,
Gbl_Files[ASL_FILE_INPUT].Filename, " - Null parse node");
return;
}
/*
* Flush out the "include ()" statement on this line, start
* the actual include file on the next line
*/
ResetCurrentLineBuffer ();
FlPrintFile (ASL_FILE_SOURCE_OUTPUT, "\n");
Gbl_CurrentLineOffset++;
/* Attempt to open the include file */
/* If the file specifies an absolute path, just open it */
if ((Op->Asl.Value.String[0] == '/') ||
(Op->Asl.Value.String[0] == '\\') ||
(Op->Asl.Value.String[1] == ':'))
{
IncludeFile = FlOpenIncludeWithPrefix ("", Op->Asl.Value.String);
if (!IncludeFile)
{
goto ErrorExit;
}
return;
}
/*
* The include filename is not an absolute path.
*
* First, search for the file within the "local" directory -- meaning
* the same directory that contains the source file.
*
* Construct the file pathname from the global directory name.
*/
IncludeFile = FlOpenIncludeWithPrefix (Gbl_DirectoryPath, Op->Asl.Value.String);
if (IncludeFile)
{
return;
}
/*
* Second, search for the file within the (possibly multiple) directories
* specified by the -I option on the command line.
*/
NextDir = Gbl_IncludeDirList;
while (NextDir)
{
IncludeFile = FlOpenIncludeWithPrefix (NextDir->Dir, Op->Asl.Value.String);
if (IncludeFile)
{
return;
}
NextDir = NextDir->Next;
}
/* We could not open the include file after trying very hard */
ErrorExit:
sprintf (MsgBuffer, "%s, %s", Op->Asl.Value.String, strerror (errno));
AslError (ASL_ERROR, ASL_MSG_INCLUDE_FILE_OPEN, Op, MsgBuffer);
}
/*******************************************************************************
*
* FUNCTION: FlOpenInputFile
*
* PARAMETERS: InputFilename - The user-specified ASL source file to be
* compiled
*
* RETURN: Status
*
* DESCRIPTION: Open the specified input file, and save the directory path to
* the file so that include files can be opened in
* the same directory.
*
******************************************************************************/
ACPI_STATUS
FlOpenInputFile (
char *InputFilename)
{
/* Open the input ASL file, text mode */
FlOpenFile (ASL_FILE_INPUT, InputFilename, "r");
AslCompilerin = Gbl_Files[ASL_FILE_INPUT].Handle;
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: FlOpenAmlOutputFile
*
* PARAMETERS: FilenamePrefix - The user-specified ASL source file
*
* RETURN: Status
*
* DESCRIPTION: Create the output filename (*.AML) and open the file. The file
* is created in the same directory as the parent input file.
*
******************************************************************************/
ACPI_STATUS
FlOpenAmlOutputFile (
char *FilenamePrefix)
{
char *Filename;
/* Output filename usually comes from the ASL itself */
Filename = Gbl_Files[ASL_FILE_AML_OUTPUT].Filename;
if (!Filename)
{
/* Create the output AML filename */
Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_AML_CODE);
if (!Filename)
{
AslCommonError (ASL_ERROR, ASL_MSG_OUTPUT_FILENAME,
0, 0, 0, 0, NULL, NULL);
return (AE_ERROR);
}
}
/* Open the output AML file in binary mode */
FlOpenFile (ASL_FILE_AML_OUTPUT, Filename, "w+b");
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: FlOpenMiscOutputFiles
*
* PARAMETERS: FilenamePrefix - The user-specified ASL source file
*
* RETURN: Status
*
* DESCRIPTION: Create and open the various output files needed, depending on
* the command line options
*
******************************************************************************/
ACPI_STATUS
FlOpenMiscOutputFiles (
char *FilenamePrefix)
{
char *Filename;
/* Create/Open a hex output file if asked */
if (Gbl_HexOutputFlag)
{
Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_HEX_DUMP);
if (!Filename)
{
AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
0, 0, 0, 0, NULL, NULL);
return (AE_ERROR);
}
/* Open the hex file, text mode */
FlOpenFile (ASL_FILE_HEX_OUTPUT, Filename, "w+");
AslCompilerSignon (ASL_FILE_HEX_OUTPUT);
AslCompilerFileHeader (ASL_FILE_HEX_OUTPUT);
}
/* Create/Open a debug output file if asked */
if (Gbl_DebugFlag)
{
Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_DEBUG);
if (!Filename)
{
AslCommonError (ASL_ERROR, ASL_MSG_DEBUG_FILENAME,
0, 0, 0, 0, NULL, NULL);
return (AE_ERROR);
}
/* Open the debug file as STDERR, text mode */
/* TBD: hide this behind a FlReopenFile function */
Gbl_Files[ASL_FILE_DEBUG_OUTPUT].Filename = Filename;
Gbl_Files[ASL_FILE_DEBUG_OUTPUT].Handle =
freopen (Filename, "w+t", stderr);
AslCompilerSignon (ASL_FILE_DEBUG_OUTPUT);
AslCompilerFileHeader (ASL_FILE_DEBUG_OUTPUT);
}
/* Create/Open a listing output file if asked */
if (Gbl_ListingFlag)
{
Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_LISTING);
if (!Filename)
{
AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
0, 0, 0, 0, NULL, NULL);
return (AE_ERROR);
}
/* Open the listing file, text mode */
FlOpenFile (ASL_FILE_LISTING_OUTPUT, Filename, "w+");
AslCompilerSignon (ASL_FILE_LISTING_OUTPUT);
AslCompilerFileHeader (ASL_FILE_LISTING_OUTPUT);
}
if (Gbl_FileType == ASL_INPUT_TYPE_ASCII_DATA)
{
return (AE_OK);
}
/* Create/Open a combined source output file */
Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_SOURCE);
if (!Filename)
{
AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
0, 0, 0, 0, NULL, NULL);
return (AE_ERROR);
}
/*
* Open the source output file, binary mode (so that LF does not get
* expanded to CR/LF on some systems, messing up our seek
* calculations.)
*/
FlOpenFile (ASL_FILE_SOURCE_OUTPUT, Filename, "w+b");
/* Create/Open a assembly code source output file if asked */
if (Gbl_AsmOutputFlag)
{
Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_ASM_SOURCE);
if (!Filename)
{
AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
0, 0, 0, 0, NULL, NULL);
return (AE_ERROR);
}
/* Open the assembly code source file, text mode */
FlOpenFile (ASL_FILE_ASM_SOURCE_OUTPUT, Filename, "w+");
AslCompilerSignon (ASL_FILE_ASM_SOURCE_OUTPUT);
AslCompilerFileHeader (ASL_FILE_ASM_SOURCE_OUTPUT);
}
/* Create/Open a C code source output file if asked */
if (Gbl_C_OutputFlag)
{
Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_C_SOURCE);
if (!Filename)
{
AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
0, 0, 0, 0, NULL, NULL);
return (AE_ERROR);
}
/* Open the C code source file, text mode */
FlOpenFile (ASL_FILE_C_SOURCE_OUTPUT, Filename, "w+");
FlPrintFile (ASL_FILE_C_SOURCE_OUTPUT, "/*\n");
AslCompilerSignon (ASL_FILE_C_SOURCE_OUTPUT);
AslCompilerFileHeader (ASL_FILE_C_SOURCE_OUTPUT);
}
/* Create/Open a assembly include output file if asked */
if (Gbl_AsmIncludeOutputFlag)
{
Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_ASM_INCLUDE);
if (!Filename)
{
AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
0, 0, 0, 0, NULL, NULL);
return (AE_ERROR);
}
/* Open the assembly include file, text mode */
FlOpenFile (ASL_FILE_ASM_INCLUDE_OUTPUT, Filename, "w+");
AslCompilerSignon (ASL_FILE_ASM_INCLUDE_OUTPUT);
AslCompilerFileHeader (ASL_FILE_ASM_INCLUDE_OUTPUT);
}
/* Create/Open a C include output file if asked */
if (Gbl_C_IncludeOutputFlag)
{
Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_C_INCLUDE);
if (!Filename)
{
AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
0, 0, 0, 0, NULL, NULL);
return (AE_ERROR);
}
/* Open the C include file, text mode */
FlOpenFile (ASL_FILE_C_INCLUDE_OUTPUT, Filename, "w+");
FlPrintFile (ASL_FILE_C_INCLUDE_OUTPUT, "/*\n");
AslCompilerSignon (ASL_FILE_C_INCLUDE_OUTPUT);
AslCompilerFileHeader (ASL_FILE_C_INCLUDE_OUTPUT);
}
/* Create a namespace output file if asked */
if (Gbl_NsOutputFlag)
{
Filename = FlGenerateFilename (FilenamePrefix, FILE_SUFFIX_NAMESPACE);
if (!Filename)
{
AslCommonError (ASL_ERROR, ASL_MSG_LISTING_FILENAME,
0, 0, 0, 0, NULL, NULL);
return (AE_ERROR);
}
/* Open the namespace file, text mode */
FlOpenFile (ASL_FILE_NAMESPACE_OUTPUT, Filename, "w+");
AslCompilerSignon (ASL_FILE_NAMESPACE_OUTPUT);
AslCompilerFileHeader (ASL_FILE_NAMESPACE_OUTPUT);
}
return (AE_OK);
}
#ifdef ACPI_OBSOLETE_FUNCTIONS
/*******************************************************************************
*
* FUNCTION: FlParseInputPathname
*
* PARAMETERS: InputFilename - The user-specified ASL source file to be
* compiled
*
* RETURN: Status
*
* DESCRIPTION: Split the input path into a directory and filename part
* 1) Directory part used to open include files
* 2) Filename part used to generate output filenames
*
******************************************************************************/
ACPI_STATUS
FlParseInputPathname (
char *InputFilename)
{
char *Substring;
if (!InputFilename)
{
return (AE_OK);
}
/* Get the path to the input filename's directory */
Gbl_DirectoryPath = strdup (InputFilename);
if (!Gbl_DirectoryPath)
{
return (AE_NO_MEMORY);
}
Substring = strrchr (Gbl_DirectoryPath, '\\');
if (!Substring)
{
Substring = strrchr (Gbl_DirectoryPath, '/');
if (!Substring)
{
Substring = strrchr (Gbl_DirectoryPath, ':');
}
}
if (!Substring)
{
Gbl_DirectoryPath[0] = 0;
if (Gbl_UseDefaultAmlFilename)
{
Gbl_OutputFilenamePrefix = strdup (InputFilename);
}
}
else
{
if (Gbl_UseDefaultAmlFilename)
{
Gbl_OutputFilenamePrefix = strdup (Substring + 1);
}
*(Substring+1) = 0;
}
return (AE_OK);
}
#endif