1 /* @(#) pf_save.h 96/12/18 1.8 */
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2 #ifndef _pforth_save_h
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3 #define _pforth_save_h
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5 /***************************************************************
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6 ** Include file for PForth SaveForth
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9 ** Copyright 1994 3DO, Phil Burk, Larry Polansky, David Rosenboom
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11 ** The pForth software code is dedicated to the public domain,
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12 ** and any third party may reproduce, distribute and modify
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13 ** the pForth software code or any derivative works thereof
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14 ** without any compensation or license. The pForth software
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15 ** code is provided on an "as is" basis without any warranty
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16 ** of any kind, including, without limitation, the implied
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17 ** warranties of merchantability and fitness for a particular
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18 ** purpose and their equivalents under the laws of any jurisdiction.
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20 ** 941031 rdg fix redefinition of MAKE_ID and EVENUP to be conditional
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22 ***************************************************************/
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25 typedef struct DictionaryInfoChunk
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27 /* All fields are stored in BIG ENDIAN format for consistency in data files. */
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28 /* All fileds must be the same size as int32 for easy endian conversion. */
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30 int32 sd_RelContext; /* relative ptr to Dictionary Context */
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31 int32 sd_RelHeaderPtr; /* relative ptr to Dictionary Header Ptr */
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32 int32 sd_RelCodePtr; /* relative ptr to Dictionary Header Ptr */
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33 ExecToken sd_EntryPoint; /* relative ptr to entry point or NULL */
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34 int32 sd_UserStackSize; /* in bytes */
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35 int32 sd_ReturnStackSize; /* in bytes */
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36 int32 sd_NameSize; /* in bytes */
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37 int32 sd_CodeSize; /* in bytes */
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38 int32 sd_NumPrimitives; /* To distinguish between primitive and secondary. */
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40 int32 sd_FloatSize; /* In bytes. Must match code. 0 means no floats. */
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42 } DictionaryInfoChunk;
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44 /* Bits in sd_Flags */
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45 #define SD_F_BIG_ENDIAN_DIC (1<<0)
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48 #define MAKE_ID(a,b,c,d) ((((uint32)a)<<24)|(((uint32)b)<<16)|(((uint32)c)<<8)|((uint32)d))
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51 #define ID_FORM MAKE_ID('F','O','R','M')
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52 #define ID_P4TH MAKE_ID('P','4','T','H')
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53 #define ID_P4DI MAKE_ID('P','4','D','I')
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54 #define ID_P4NM MAKE_ID('P','4','N','M')
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55 #define ID_P4CD MAKE_ID('P','4','C','D')
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56 #define ID_BADF MAKE_ID('B','A','D','F')
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59 #define EVENUP(n) ((n+1)&(~1))
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66 int32 ffSaveForth( const char *FileName, ExecToken EntryPoint, int32 NameSize, int32 CodeSize );
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68 /* Endian-ness tools. */
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70 int IsHostLittleEndian( void );
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71 uint32 ReadLongBigEndian( const uint32 *addr );
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72 uint16 ReadShortBigEndian( const uint16 *addr );
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73 uint32 ReadLongLittleEndian( const uint32 *addr );
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74 uint16 ReadShortLittleEndian( const uint16 *addr );
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75 void WriteLongBigEndian( uint32 *addr, uint32 data );
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76 void WriteShortBigEndian( uint16 *addr, uint16 data );
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77 void WriteLongLittleEndian( uint32 *addr, uint32 data );
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78 void WriteShortLittleEndian( uint16 *addr, uint16 data );
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80 #ifdef PF_SUPPORT_FP
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81 void WriteFloatBigEndian( PF_FLOAT *addr, PF_FLOAT data );
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82 PF_FLOAT ReadFloatBigEndian( const PF_FLOAT *addr );
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83 void WriteFloatLittleEndian( PF_FLOAT *addr, PF_FLOAT data );
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84 PF_FLOAT ReadFloatLittleEndian( const PF_FLOAT *addr );
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91 #endif /* _pforth_save_h */
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