sys/contrib/dev/acpica/source/compiler/aslmain.c

   1 /******************************************************************************
   2  *
   3  * Module Name: aslmain - compiler main and utilities
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2016, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #define _DECLARE_GLOBALS
  45
  46 #include "aslcompiler.h"
  47 #include "acapps.h"
  48 #include "acdisasm.h"
  49 #include <signal.h>
  50
  51 #define _COMPONENT          ACPI_COMPILER
  52         ACPI_MODULE_NAME    ("aslmain")
  53
  54 /*
  55  * Main routine for the iASL compiler.
  56  *
  57  * Portability note: The compiler depends upon the host for command-line
  58  * wildcard support - it is not implemented locally. For example:
  59  *
  60  * Linux/Unix systems: Shell expands wildcards automatically.
  61  *
  62  * Windows: The setargv.obj module must be linked in to automatically
  63  * expand wildcards.
  64  */
  65
  66 /* Local prototypes */
  67
  68 static void ACPI_SYSTEM_XFACE
  69 AslSignalHandler (
  70     int                     Sig);
  71
  72 static void
  73 AslInitialize (
  74     void);
  75
  76
  77 /*******************************************************************************
  78  *
  79  * FUNCTION:    main
  80  *
  81  * PARAMETERS:  Standard argc/argv
  82  *
  83  * RETURN:      Program termination code
  84  *
  85  * DESCRIPTION: C main routine for the iASL Compiler/Disassembler. Process
  86  *  command line options and begin the compile/disassembly for each file on
  87  *  the command line (wildcards supported).
  88  *
  89  ******************************************************************************/
  90
  91 int ACPI_SYSTEM_XFACE
  92 main (
  93     int                     argc,
  94     char                    **argv)
  95 {
  96     ACPI_STATUS             Status;
  97     int                     Index1;
  98     int                     Index2;
  99     int                     ReturnStatus = 0;
 100
 101
 102     /*
 103      * Big-endian machines are not currently supported. ACPI tables must
 104      * be little-endian, and support for big-endian machines needs to
 105      * be implemented.
 106      */
 107     if (UtIsBigEndianMachine ())
 108     {
 109         fprintf (stderr,
 110             "iASL is not currently supported on big-endian machines.\n");
 111         return (-1);
 112     }
 113
 114     AcpiOsInitialize ();
 115     ACPI_DEBUG_INITIALIZE (); /* For debug version only */
 116
 117     /* Initialize preprocessor and compiler before command line processing */
 118
 119     signal (SIGINT, AslSignalHandler);
 120     AcpiGbl_ExternalFileList = NULL;
 121     AcpiDbgLevel = 0;
 122     PrInitializePreprocessor ();
 123     AslInitialize ();
 124
 125     Index1 = Index2 =
 126         AslCommandLine (argc, argv);
 127
 128     /* Allocate the line buffer(s), must be after command line */
 129
 130     Gbl_LineBufferSize /= 2;
 131     UtExpandLineBuffers ();
 132
 133     /* Perform global actions first/only */
 134
 135     if (Gbl_DisassembleAll)
 136     {
 137         while (argv[Index1])
 138         {
 139             Status = AcpiDmAddToExternalFileList (argv[Index1]);
 140             if (ACPI_FAILURE (Status))
 141             {
 142                 return (-1);
 143             }
 144
 145             Index1++;
 146         }
 147     }
 148
 149     /* Process each pathname/filename in the list, with possible wildcards */
 150
 151     while (argv[Index2])
 152     {
 153         /*
 154          * If -p not specified, we will use the input filename as the
 155          * output filename prefix
 156          */
 157         if (Gbl_UseDefaultAmlFilename)
 158         {
 159             Gbl_OutputFilenamePrefix = argv[Index2];
 160             UtConvertBackslashes (Gbl_OutputFilenamePrefix);
 161         }
 162
 163         Status = AslDoOneFile (argv[Index2]);
 164         if (ACPI_FAILURE (Status))
 165         {
 166             ReturnStatus = -1;
 167             goto CleanupAndExit;
 168         }
 169
 170         Index2++;
 171     }
 172
 173
 174 CleanupAndExit:
 175
 176     UtFreeLineBuffers ();
 177     AslParserCleanup ();
 178
 179     if (AcpiGbl_ExternalFileList)
 180     {
 181         AcpiDmClearExternalFileList();
 182     }
 183
 184     return (ReturnStatus);
 185 }
 186
 187
 188 /******************************************************************************
 189  *
 190  * FUNCTION:    AslSignalHandler
 191  *
 192  * PARAMETERS:  Sig                 - Signal that invoked this handler
 193  *
 194  * RETURN:      None
 195  *
 196  * DESCRIPTION: Control-C handler. Delete any intermediate files and any
 197  *              output files that may be left in an indeterminate state.
 198  *
 199  *****************************************************************************/
 200
 201 static void ACPI_SYSTEM_XFACE
 202 AslSignalHandler (
 203     int                     Sig)
 204 {
 205     UINT32                  i;
 206
 207
 208     signal (Sig, SIG_IGN);
 209     printf ("Aborting\n\n");
 210
 211     /* Close all open files */
 212
 213     Gbl_Files[ASL_FILE_PREPROCESSOR].Handle = NULL; /* the .pre file is same as source file */
 214
 215     for (i = ASL_FILE_INPUT; i < ASL_MAX_FILE_TYPE; i++)
 216     {
 217         FlCloseFile (i);
 218     }
 219
 220     /* Delete any output files */
 221
 222     for (i = ASL_FILE_AML_OUTPUT; i < ASL_MAX_FILE_TYPE; i++)
 223     {
 224         FlDeleteFile (i);
 225     }
 226
 227     exit (0);
 228 }
 229
 230
 231 /*******************************************************************************
 232  *
 233  * FUNCTION:    AslInitialize
 234  *
 235  * PARAMETERS:  None
 236  *
 237  * RETURN:      None
 238  *
 239  * DESCRIPTION: Initialize compiler globals
 240  *
 241  ******************************************************************************/
 242
 243 static void
 244 AslInitialize (
 245     void)
 246 {
 247     UINT32                  i;
 248
 249
 250     AcpiGbl_DmOpt_Verbose = FALSE;
 251
 252     /* Default integer width is 64 bits */
 253
 254     AcpiGbl_IntegerBitWidth = 64;
 255     AcpiGbl_IntegerNybbleWidth = 16;
 256     AcpiGbl_IntegerByteWidth = 8;
 257
 258     for (i = 0; i < ASL_NUM_FILES; i++)
 259     {
 260         Gbl_Files[i].Handle = NULL;
 261         Gbl_Files[i].Filename = NULL;
 262     }
 263
 264     Gbl_Files[ASL_FILE_STDOUT].Handle   = stdout;
 265     Gbl_Files[ASL_FILE_STDOUT].Filename = "STDOUT";
 266
 267     Gbl_Files[ASL_FILE_STDERR].Handle   = stderr;
 268     Gbl_Files[ASL_FILE_STDERR].Filename = "STDERR";
 269 }