libgoblin/drd64_libgoblin_readbin.c

   1 /*DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64
   2
   3                          D r . D e a m o n  6 4
   4                         for INTEL64(R), AMD64(R)
   5
   6    Copyright(C) 2007-2009 Koine Yuusuke(koinec). All rights reserved.
   7
   8 Redistribution and use in source and binary forms, with or without
   9 modification, are permitted provided that the following conditions are met:
  10
  11  1. Redistributions of source code must retain the above copyright notice,
  12     this list of conditions and the following disclaimer.
  13  2. Redistributions in binary form must reproduce the above copyright
  14     notice, this list of conditions and the following disclaimer in the
  15     documentation and/or other materials provided with the distribution.
  16
  17 THIS SOFTWARE IS PROVIDED BY Koine Yuusuke(koinec) ``AS IS'' AND ANY
  18 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20 DISCLAIMED. IN NO EVENT SHALL Koine Yuusuke(koinec) OR CONTRIBUTORS BE
  21 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  22 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  25 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  26 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  27 OF THE POSSIBILITY OF SUCH DAMAGE.
  28
  29 DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64*/
  30
  31 /* File Info -----------------------------------------------------------
  32 File: drd64_.c
  33 Function:
  34 Comment:
  35 ----------------------------------------------------------------------*/
  36
  37 #define DRD64_SRC_LIBGOBLIN_READBIN
  38 #include"drd64_libgoblin.h"
  39
  40
  41 /*----------------------------------------------------------------------
  42 ----------------------------------------------------------------------*/
  43 LIBGOBLIN_READBIN_EXTERN
  44 int
  45         ReadBinary_File(
  46                         LibGoblin_BinaryInfo    *p_binfo )
  47 {
  48         int             i_result        = 0x00;
  49         int             i_err;
  50         int             i_fd    = -0x01;
  51         const char      *pstr_binfile;
  52         char    str_binfilepath[DRD64_MAX_PATH];
  53         Byte    *pb_head;
  54         LibFileType_FileType    t_ftype;
  55         LibGoblin_BinaryFile    *p_bfile;
  56
  57         assert( NULL != p_binfo );
  58         p_bfile = BinaryFile_GetBinaryFile( p_binfo->i_binfile );
  59         assert( NULL != p_bfile );
  60
  61         if ( LIBGOBLIN_BINFO_PHASE_SETPROG != p_binfo->b_phase )        {
  62                 return -0x01;
  63         }
  64
  65         strncpy( str_binfilepath, p_bfile->str_localpath, DRD64_MAX_PATH);
  66         strcat( str_binfilepath, "/" );
  67         strncat( str_binfilepath, p_bfile->str_filename, DRD64_MAX_PATH);
  68         pstr_binfile    = p_bfile->str_localpath;
  69         if( '\0' == pstr_binfile )      {
  70                 return -0x02;
  71         }
  72
  73         /* Open Test LM */
  74         i_fd    = open( str_binfilepath, O_RDONLY );
  75         if( -1 >= i_fd )        {
  76                 i_result        = -0x10;
  77                 goto    goto_ReadBinary_File_post;
  78         }
  79
  80         /* Get FileSize & FileType by LibFileType */
  81         i_err   = LibFileType_CheckFileType( &t_ftype, str_binfilepath, i_fd );
  82         if( 0x00 != i_err )     {
  83                 close( i_fd );
  84                 i_result        = -0x11;
  85                 goto    goto_ReadBinary_File_post;
  86         }
  87
  88         /* XXX : check i_filetype value */
  89
  90         /* Memory Mapping from Binary-file */
  91         pb_head  = mmap( NULL, t_ftype.dw_filesize, PROT_READ, MAP_SHARED, i_fd, 0 );
  92         if( MAP_FAILED == pb_head )             {
  93                 close( i_fd );
  94                 i_result        = -0x12;
  95                 goto    goto_ReadBinary_File_post;
  96         }
  97
  98         memcpy( (void *)&(p_bfile->t_ftype), (void *)&t_ftype, sizeof( LibFileType_FileType ));
  99         p_bfile->pb_binary      = pb_head;
 100         p_bfile->dw_size        = t_ftype.dw_filesize;
 101         p_bfile->i_fd           = i_fd;
 102         p_bfile->dw_flag        = LIBGOBLIN_BINFO_FILE_MMAP;
 103         p_binfo->b_phase        = LIBGOBLIN_BINFO_PHASE_BINREAD;
 104
 105 goto_ReadBinary_File_post:
 106
 107         return i_result;
 108 }
 109
 110
 111 /*----------------------------------------------------------------------
 112 ----------------------------------------------------------------------*/
 113 LIBGOBLIN_READBIN_EXTERN
 114 int
 115         ReadBinary_Memory(
 116                         LibGoblin_BinaryInfo    *p_binfo,
 117                         Byte    *pb_data,
 118                         DWord   dw_size )
 119 {
 120         int             i_result;
 121         LibGoblin_BinaryFile    *p_bfile;
 122         LibFileType_FileType    t_ftype;
 123
 124         assert( NULL != p_binfo );
 125
 126         /* Get FileSize & FileType by LibFileType */
 127         i_result        = LibFileType_CheckMemoryType( &t_ftype, pb_data, dw_size );
 128         if( 0x00 != i_result )  {
 129                 return -0x01;
 130         }
 131
 132         p_bfile = BinaryFile_GetBinaryFile( p_binfo->i_binfile );
 133         assert( NULL != p_bfile );
 134
 135         memcpy( (void *)&(p_bfile->t_ftype), (void *)&t_ftype, sizeof( LibFileType_FileType ));
 136         p_bfile->pb_binary      = pb_data;
 137         p_bfile->dw_size        = dw_size;
 138         p_bfile->dw_flag        = LIBGOBLIN_BINFO_FILE_EXTALLOC;
 139         p_binfo->b_phase        = LIBGOBLIN_BINFO_PHASE_BINREAD;
 140
 141         return i_result;
 142 }
 143
 144
 145 /*----------------------------------------------------------------------
 146 ----------------------------------------------------------------------*/
 147 LIBGOBLIN_READBIN_EXTERN
 148 int
 149         ReadBinary_FreeBinary(
 150                         LibGoblin_BinaryInfo    *p_binfo )
 151 {
 152         int             i_cnt;
 153         LibGoblin_BinaryFile    *p_bfile;
 154
 155         assert( NULL != p_binfo );
 156
 157         if( LIBGOBLIN_BINFO_PHASE_BINREAD > p_binfo->b_phase )  {
 158                 return -0x01;
 159         }
 160
 161         for( i_cnt = 0; i_cnt < LIBGOBLIN_BINFO_MAXFILES; i_cnt++ )     {
 162                 p_bfile = BinaryFile_GetBinaryFile( p_binfo->i_binfile );
 163
 164                 if( -0x01 == p_bfile->i_fd )    { continue; }
 165
 166                 if( LIBGOBLIN_BINFO_FILE_MMAP & p_bfile->dw_flag )      {
 167                         munmap( p_bfile->pb_binary, p_bfile->dw_size );
 168                         close( p_bfile->i_fd );
 169                 }
 170                 else if( LIBGOBLIN_BINFO_FILE_INTALLOC & p_bfile->dw_flag )     {
 171                         free( p_bfile->pb_binary );
 172                         close( p_bfile->i_fd );
 173                 }
 174
 175                 p_bfile->pb_binary      = NULL;
 176                 p_bfile->dw_size        = 0;
 177                 p_bfile->i_fd           = -0x01;
 178         }
 179
 180         p_binfo->b_phase        = LIBGOBLIN_BINFO_PHASE_ALLOCED;
 181
 182         return 0x00;
 183 }
 184
 185
 186 /* EOF of drd64_.c ----------------------------------- */