X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=sect.h;h=7f09d6bff314908be0612582c849ffb0ece0d132;hp=1322f52a7b4f9b88ed1881f179e7db15c6637876;hb=627f87694bf2d7855b8e3cdafe1bf2693f1b60ad;hpb=75cce0d9eb190f6094f66ae283b5981af25e5a57 diff --git a/sect.h b/sect.h index 1322f52..7f09d6b 100644 --- a/sect.h +++ b/sect.h @@ -26,18 +26,18 @@ *chptr++=(char)lw;*chptr++=(char)(lw>>8); \ sloc+=4; ch_size += 4;if(orgactive) orgaddr += 4;} -#define NSECTS 16 // Max. number of sections +#define NSECTS 16 // Max. number of sections // Tunable (storage) definitions -#define CH_THRESHOLD 64 // Minimum amount of space in code chunk -#define CH_CODE_SIZE 2048 // Code chunk normal allocation -#define CH_FIXUP_SIZE 1024 // Fixup chunk normal allocation +#define CH_THRESHOLD 64 // Minimum amount of space in code chunk +#define CH_CODE_SIZE 2048 // Code chunk normal allocation +#define CH_FIXUP_SIZE 1024 // Fixup chunk normal allocation // Section attributes (.scattr) -#define SUSED 0x8000 // Section is used (really, valid) -#define SBSS 0x4000 // Section can contain no data -#define SABS 0x2000 // Section is absolute -#define SPIC 0x1000 // Section is position-independent code +#define SUSED 0x8000 // Section is used (really, valid) +#define SBSS 0x4000 // Section can contain no data +#define SABS 0x2000 // Section is absolute +#define SPIC 0x1000 // Section is position-independent code // Fixup record a WORD of these bits, followed by a loc and then a pointer // to a symbol or an ENDEXPR-terminated postfix expression. @@ -52,17 +52,17 @@ // token.L expression list // (etc) // ENDEXPR.L (end of expression) -#define FUMASK 007 // Mask for fixup cases: -#define FU_QUICK 000 // Fixup 3-bit quick instr field -#define FU_BYTE 001 // Fixup byte -#define FU_WORD 002 // Fixup word -#define FU_WBYTE 003 // Fixup byte (at loc+1) -#define FU_LONG 004 // Fixup long -#define FU_BBRA 005 // Fixup byte branch -#define FU_6BRA 007 // Fixup 6502-format branch offset -#define FU_SEXT 010 // Ok to sign extend -#define FU_PCREL 020 // Subtract PC first -#define FU_EXPR 040 // Expression (not symbol) follows +#define FUMASK 007 // Mask for fixup cases: +#define FU_QUICK 000 // Fixup 3-bit quick instr field +#define FU_BYTE 001 // Fixup byte +#define FU_WORD 002 // Fixup word +#define FU_WBYTE 003 // Fixup byte (at loc+1) +#define FU_LONG 004 // Fixup long +#define FU_BBRA 005 // Fixup byte branch +#define FU_6BRA 007 // Fixup 6502-format branch offset +#define FU_SEXT 010 // Ok to sign extend +#define FU_PCREL 020 // Subtract PC first +#define FU_EXPR 040 // Expression (not symbol) follows #define FU_MOVEI 0x0100 #define FU_JR 0x0200 @@ -73,30 +73,30 @@ #define FU_NUM32 0x0700 #define FU_REGTWO 0x0800 #define FU_SUB32 0x1000 -#define FU_ISBRA 0x2000 // Word forward fixup is a BRA or DBRA -#define FU_LBRA 0x4000 // Long branch, for short branch detect -#define FU_DONE 0x8000 // Fixup has been done +#define FU_ISBRA 0x2000 // Word forward fixup is a BRA or DBRA +#define FU_LBRA 0x4000 // Long branch, for short branch detect +#define FU_DONE 0x8000 // Fixup has been done // Chunks are used to hold generated code and fixup records #define CHUNK struct _chunk CHUNK { - CHUNK *chnext; // Next, previous chunks in section - CHUNK *chprev; - LONG chloc; // Base addr of this chunk - LONG challoc; // #bytes allocated for chunk - LONG ch_size; // #bytes chunk actually uses - char *chptr; // Data for this chunk + CHUNK * chnext; // Next, previous chunks in section + CHUNK * chprev; + LONG chloc; // Base addr of this chunk + LONG challoc; // # bytes allocated for chunk + LONG ch_size; // # bytes chunk actually uses + char * chptr; // Data for this chunk }; // Section descriptor #define SECT struct _sect SECT { - WORD scattr; // Section attributes - LONG sloc; // Current loc-in / size-of section - CHUNK *sfcode; // First chunk in section - CHUNK *scode; // Last chunk in section - CHUNK *sffix; // First fixup chunk - CHUNK *sfix; // Last fixup chunk + WORD scattr; // Section attributes + LONG sloc; // Current loc-in / size-of section + CHUNK * sfcode; // First chunk in section + CHUNK * scode; // Last chunk in section + CHUNK * sffix; // First fixup chunk + CHUNK * sfix; // Last fixup chunk }; // A mark is of the form: @@ -106,33 +106,33 @@ SECT { // .L [symbol] symbol involved in external reference #define MCHUNK struct _mchunk MCHUNK { - MCHUNK *mcnext; // Next mark chunk - PTR mcptr; // Vector of marks - LONG mcalloc; // #marks allocted to mark block - LONG mcused; // #marks used in block + MCHUNK * mcnext; // Next mark chunk + PTR mcptr; // Vector of marks + LONG mcalloc; // # marks allocted to mark block + LONG mcused; // # marks used in block }; -#define MWORD 0x0000 // Marked word -#define MLONG 0x0100 // Marked long +#define MWORD 0x0000 // Marked word +#define MLONG 0x0100 // Marked long #define MMOVEI 0x0200 -#define MCHFROM 0x8000 // Mark includes change-to-from -#define MSYMBOL 0x4000 // Mark includes symbol number -#define MCHEND 0x2000 // Indicates end of mark chunk -#define MPCREL 0x1000 // Mark is PC-relative +#define MCHFROM 0x8000 // Mark includes change-to-from +#define MSYMBOL 0x4000 // Mark includes symbol number +#define MCHEND 0x2000 // Indicates end of mark chunk +#define MPCREL 0x1000 // Mark is PC-relative -#define MAXFWDJUMPS 1024 // Maximum forward jumps to check +#define MAXFWDJUMPS 1024 // Maximum forward jumps to check extern unsigned fwdjump[MAXFWDJUMPS]; extern unsigned fwindex; // Globals, external etc extern LONG sloc; extern WORD scattr; -extern char *chptr; +extern char * chptr; extern LONG ch_size; extern int cursect; extern SECT sect[]; extern LONG challoc; -extern CHUNK *scode; +extern CHUNK * scode; // Prototypes void init_sect(void); @@ -141,7 +141,7 @@ void savsect(void); int fixtest(int, LONG); int chcheck(LONG); int fixup(WORD, LONG, TOKEN *); -int fixups(void); -int resfix(int); +int ResolveAllFixups(void); +//int ResolveFixups(int); #endif // __SECT_H__