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/****************************************************************************** * * 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