X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=rln.c;h=da8fb781ef61c6c6ddf4da633c9521db458ded10;hb=4d8573013a97d0353447f959c14ccaddc1ff8c14;hp=2e0c76745fa4438d8a2d0fa32708e0ae3545271f;hpb=d7b03624634b6813ebef11e2f5447cc4584d4925;p=rln diff --git a/rln.c b/rln.c index 2e0c767..da8fb78 100644 --- a/rln.c +++ b/rln.c @@ -20,9 +20,10 @@ unsigned oflag = 0; // Output filename specified unsigned rflag = 0; // Segment alignment size flag unsigned sflag = 0; // Output only global symbols unsigned vflag = 0; // Verbose flag +unsigned wflag = 0; // Show warnings flag unsigned zflag = 0; // Suppress banner flag -unsigned pflag, uflag, wflag = 1; // Unimplemented flags -unsigned hd = 0; // Index of next file handle to fill +unsigned pflag, uflag; // Unimplemented flags +unsigned hd = 0; // Index of next file handle to fill unsigned secalign = 7; // Section Alignment (8=phrase) unsigned tbase = 0; // TEXT base address unsigned dbase = 0; // DATA base address @@ -36,26 +37,26 @@ unsigned dosymi = 0; // Dosym() processing iterator unsigned dbgsymbase = 0; // Debug symbol base address //unsigned symtrunc = 0; // Symbol truncation -i and -ii int noheaderflag = 0; // No header flag for ABS files -int hflags; // Value of the arg to -h option -int ttype, dtype, btype; // Type flag: 0, -1, -2, -3, -4 -int tval, dval, bval; // Values of these abs bases +int hflags; // Value of the arg to -h option +int ttype, dtype, btype; // Type flag: 0, -1, -2, -3, -4 +int tval, dval, bval; // Values of these abs bases int hflag[NHANDLES]; // True for include files -int handle[NHANDLES]; // Open file handles -int textsize, datasize, bsssize; // Cumulative segment sizes +int handle[NHANDLES]; // Open file handles +int textsize, datasize, bsssize; // Cumulative segment sizes char libdir[FARGSIZE * 3]; // Library directory to search -char ofile[FARGSIZE]; // Output file name (.o) -char * name[NHANDLES]; // Associated file names +char ofile[FARGSIZE]; // Output file name (.o) +char * name[NHANDLES]; // Associated file names char * cmdlnexec = NULL; // Executable name - pointer to ARGV[0] -char * hsym1[SYMLEN]; // First symbol for include files -char * hsym2[SYMLEN]; // Second symbol for include files +char * hsym1[SYMLEN]; // First symbol for include files +char * hsym2[SYMLEN]; // Second symbol for include files struct OFILE * plist = NULL; // Object image list pointer struct OFILE * plast; // Last object image list pointer struct OFILE * olist = NULL; // Pointer to first object file in list struct OFILE * olast; // Pointer to last object file in list char obj_fname[512][FNLEN]; // Object file names unsigned obj_segsize[512][3]; // Object file seg sizes; TEXT,DATA,BSS -unsigned obj_index = 0; // Object file index/count -struct HREC * htable[NBUCKETS]; // Hash table +unsigned obj_index = 0; // Object file index/count +struct HREC * htable[NBUCKETS]; // Hash table struct HREC * unresolved = NULL; // Pointer to unresolved hash list struct HREC * lookup(char *); // Hash lookup char * ost; // Output symbol table @@ -67,18 +68,22 @@ char * oststr_end; // Output string table; end pointer int ost_index = 0; // Index of next ost addition int endian; // Processor endianess +// Some human readable defines for endianess +#define ENDIANNESS_BIG 1 +#define ENDIANNESS_LITTLE 0 + // // Get a Long Word from Memory // -unsigned getlong(char * src) +uint32_t getlong(uint8_t * src) { - unsigned temp; - char * out; - - out = (char *)&temp; + uint32_t temp; + uint8_t * out; + + out = (uint8_t *)&temp; - if (endian == 1) + if (endian == ENDIANNESS_BIG) { *out++ = src[0]; *out++ = src[1]; @@ -100,28 +105,43 @@ unsigned getlong(char * src) // // Put a Long Word into Memory // -void putlong(char * dest, unsigned val) +void putlong(uint8_t * dest, uint32_t val) { - *dest++ = (char)(val >> 24); - *dest++ = (char)(val >> 16); - *dest++ = (char)(val >> 8); - *dest = (char)val; + *dest++ = (uint8_t)(val >> 24); + *dest++ = (uint8_t)(val >> 16); + *dest++ = (uint8_t)(val >> 8); + *dest = (uint8_t)val; } // // Get a Word from Memory // -int getword(char * src) +uint16_t getword(uint8_t * src) { - unsigned temp; - char * out; + uint16_t temp; + uint8_t * out; - out = (char *)&temp; + out = (uint8_t *)&temp; +#if 0 + // Shamus: This assumes little endian... *out++ = src[1]; *out++ = src[0]; - *out++ = 0; - *out = 0; +// Shamus: And *why* do this as a uint32_t??? +// *out++ = 0; +// *out = 0; +#else + if (endian == ENDIANNESS_BIG) + { + out[0] = src[0]; + out[1] = src[1]; + } + else + { + out[0] = src[1]; + out[1] = src[0]; + } +#endif return temp; } @@ -130,10 +150,10 @@ int getword(char * src) // // Put a Word into Memory // -void putword(char * dest, int val) +void putword(uint8_t * dest, uint16_t val) { - *dest++ = (char)(val >> 8); - *dest = (char)val; + *dest++ = (uint8_t)(val >> 8); + *dest = (uint8_t)val; } @@ -179,9 +199,9 @@ int dosym(struct OFILE * ofile) + ofile->o_header.absrel.reloc.dsize); // Point to end of symbol record in the object file - symend = symptr + ofile->o_header.ssize; + symend = symptr + ofile->o_header.ssize; - // Search through object segment size table to accumulated segment sizes to ensure + // Search through object segment size table to accumulated segment sizes to ensure // the correct offsets are used in the resulting COF file. ssidx = -1; // Initialise segment index tsegoffset = dsegoffset = bsegoffset = 0; // Initialise segment offsets @@ -203,7 +223,7 @@ int dosym(struct OFILE * ofile) { printf("dosym() : Cannot get object file segment size : %s\n", ofile->o_name); return 1; - } + } // Process each record in the symbol table for(; symptr!=symend; symptr+=12) @@ -218,7 +238,7 @@ int dosym(struct OFILE * ofile) // Obtain the string table index for the relocation symbol, look for it in the globals // hash table to obtain information on that symbol. For the hash calculation to work // correctly it must be placed in a 'clean' string before looking it up. - memset(sym, 0, SYMLEN); + memset(sym, 0, SYMLEN); strcpy(sym, symend + index); hptr = lookup(sym); @@ -228,10 +248,10 @@ int dosym(struct OFILE * ofile) return 1; } - // Search through object segment size table to obtain segment sizes for the object + // Search through object segment size table to obtain segment sizes for the object // that has the required external/global as a local symbol. As each object is // interrogated the segment sizes are accumulated to ensure the correct offsets are - // used in the resulting COF file. This is effectively 'done again' only as we + // used in the resulting COF file. This is effectively 'done again' only as we // are working with a different object file. ssidx = -1; // Initialise segment index tsegoffset = dsegoffset = bsegoffset = 0; // Initialise segment offsets @@ -251,14 +271,14 @@ int dosym(struct OFILE * ofile) if (ssidx == -1) { - printf("dosym() : Cannot get object file segment size : %s\n", + printf("dosym() : Cannot get object file segment size : %s\n", ofile->o_name); return 1; } type = hptr->h_type; // Update type with global type - if (type == 0x03000000) + if (type == 0x03000000) type = 0x02000000; // Reset external flag if absolute // If the global/external has a value then update that vaule in accordance with the @@ -288,19 +308,19 @@ int dosym(struct OFILE * ofile) // Set the correct debug symbol base address (TEXT segment) dbgsymbase = 0; - for(j=0; (unsigned)jh_type)) { if (hptr->h_type == 0x03000000) - hptr->h_type = 0x02000000; // Absolutes can't be externals + hptr->h_type = 0x02000000; // Absolutes can't be externals if (ost_add(hptr->h_sym, hptr->h_type, hptr->h_value) == -1) return -1; - } + } } } @@ -415,14 +435,14 @@ long docommon(void) // -// Add a Symbol's Name, Type, and Value to the OST. +// Add a Symbol's Name, Type, and Value to the OST. // Return the Index of the Symbol in OST, or -1 for Error. // int ost_add(char * name, int type, long value) { - int ost_offset_p, ost_offset_e = 0; // OST table offsets for position calcs - int slen = 0; // Symbol string length - int ostresult; // OST index result + int ost_offset_p, ost_offset_e = 0; // OST table offsets for position calcs + int slen = 0; // Symbol string length + int ostresult; // OST index result slen = strlen(name); @@ -455,8 +475,9 @@ int ost_add(char * name, int type, long value) ost_offset_p = (ost_ptr - ost); ost_offset_e = (ost_end - ost); + // 3 x int (12) if ((ost_ptr + 12) > ost_end) - { // 3 x int (12) + { if ((ost = realloc(ost, (unsigned)(ost_end + OST_BLOCK))) == NULL) { printf("OST memory reallocation error.\n"); @@ -470,7 +491,7 @@ int ost_add(char * name, int type, long value) ost_offset_p = (oststr_ptr - oststr); ost_offset_e = (oststr_end - oststr); - if ((oststr_ptr + (slen+1+4)) > oststr_end) + if ((oststr_ptr + (slen + 1 + 4)) > oststr_end) { if ((oststr = realloc(oststr, (unsigned)(oststr_end + OST_BLOCK))) == NULL) { @@ -483,7 +504,8 @@ int ost_add(char * name, int type, long value) } } - // If this is a debug symbol and the include debug symbol flag (-g) is not set then do nothing + // If this is a debug symbol and the include debug symbol flag (-g) is not + // set then do nothing if ((type & 0xF0000000) && !gflag) { // Do nothing @@ -491,11 +513,13 @@ int ost_add(char * name, int type, long value) else { ostresult = ost_lookup(name); // Get symbol index in OST - // If the symbol is in the output symbol table and the bflag is set (don't remove multiply - // defined locals) and this is not an external/global symbol *** OR *** the symbol is not - // in the output symbol table then add it. + + // If the symbol is in the output symbol table and the bflag is set + // (don't remove multiply defined locals) and this is not an + // external/global symbol *** OR *** the symbol is not in the output + // symbol table then add it. if (((ostresult != -1) && bflag && !(type & 0x01000000)) - || ((ostresult != -1) && gflag && (type & 0xF0000000)) || (ostresult == -1)) + || ((ostresult != -1) && gflag && (type & 0xF0000000)) || (ostresult == -1)) { if ((type & 0xF0000000) == 0x40000000) putlong(ost_ptr, 0x00000000); // Zero string table offset for dbg line @@ -506,8 +530,8 @@ int ost_add(char * name, int type, long value) putlong(ost_ptr + 8, value); ost_ptr += 12; - // If the symbol type is anything but a debug line information symbol then write - // the symbol string to the string table + // If the symbol type is anything but a debug line information + // symbol then write the symbol string to the string table if ((type & 0xF0000000) != 0x40000000) { strcpy(oststr_ptr, name); // Put symbol name in string table @@ -521,7 +545,8 @@ int ost_add(char * name, int type, long value) } } - return 0; // not sure about this as it could affect return indices. needed to stop return error. + // not sure about this as it could affect return indices. needed to stop return error. + return 0; } @@ -535,10 +560,10 @@ int ost_lookup(char * sym) for(i=0; ih_sym, T_EXT, 0L) == -1) return 1; +//printf("dounresolved(): added %s\n",hptr->h_sym); htemp = hptr->h_next; // Temporarily get ptr to next record free(hptr); // Free current record hptr = htemp; // Make next record ptr, current @@ -576,7 +602,7 @@ int dounresolved(void) // int reloc_segment(struct OFILE * ofile, int flag) { - char * symtab; // Start of symbol table + char * symtab; // Start of symbol table char * symbols; // Start of symbols char * sptr; // Start of segment data char * rptr; // Start of segment relocation records @@ -601,7 +627,7 @@ int reloc_segment(struct OFILE * ofile, int flag) { // TEXT segment size plus padding pad = ((ofile->o_header.tsize+secalign) & ~secalign); - textoffset += (ofile->o_header.tsize + (pad - ofile->o_header.tsize)); + textoffset += (ofile->o_header.tsize + (pad - ofile->o_header.tsize)); if (vflag > 1) printf("reloc_segment(%s, TEXT) : No Relocation Data\n", ofile->o_name); @@ -630,7 +656,7 @@ int reloc_segment(struct OFILE * ofile, int flag) // Verbose mode information if (vflag > 1) { - printf("reloc_segment(%s, %s) : Processing Relocation Data\n", + printf("reloc_segment(%s, %s) : Processing Relocation Data\n", ofile->o_name, flag == T_DATA ? "DATA" : "TEXT"); } @@ -642,13 +668,18 @@ int reloc_segment(struct OFILE * ofile, int flag) symbols = symtab + ofile->o_header.ssize; // Obtain pointer to start of TEXT segment - sptr = ofile->o_image + 32; + sptr = ofile->o_image + 32; // Obtain pointer to start of TEXT relocation records rptr = sptr + (ofile->o_header.tsize + ofile->o_header.dsize); relocsize = ofile->o_header.absrel.reloc.tsize; + if (vflag) + { + printf("RELOCSIZE :: %d Records = %d\n",relocsize,relocsize/8); + } + // Update pointers if DATA relocation records are being processed if (flag == T_DATA) { @@ -676,7 +707,7 @@ int reloc_segment(struct OFILE * ofile, int flag) // symbol. For the hash calculation to work correctly it must be // placed in a 'clean' string before looking it up. symidx = getlong(symtab + ((rflg >> 8) * 12)); - memset(sym, 0, SYMLEN); + memset(sym, 0, SYMLEN); strcpy(sym, symbols + symidx); olddata = newdata = 0; // Initialise old and new segment data ssidx = ost_lookup(sym); @@ -709,10 +740,10 @@ int reloc_segment(struct OFILE * ofile, int flag) // Braces were not here, so if something breaks, try pairing the else to the 1st 'if'... if (!glblreloc) { - if (flag == T_TEXT) + if (flag == T_TEXT) // Is this a TEXT section record? newdata = tbase + textoffset + olddata; else - newdata = tbase + dataoffset + olddata; + newdata = tbase + dataoffset + olddata; // Nope, must be DATA section } break; @@ -752,9 +783,15 @@ int reloc_segment(struct OFILE * ofile, int flag) } // Shamus: Let's output some info to aid in debugging this crap - if (vflag) + if (vflag > 1) { - printf("reloc_segment(): %s, $%08X: $%08X => $%08X\n", (glblreloc ? sym : "(LOCAL)"), addr, olddata, getlong(sptr + addr)); + char ssiString[128]; + ssiString[0] = 0; + + if (glblreloc) + sprintf(ssiString, " [ssi:%i]", ssidx); + + printf("reloc_segment($%08X): %s, $%08X: $%08X => $%08X%s\n", rflg, (glblreloc ? sym : "(LOCAL)"), addr, olddata, getlong(sptr + addr), ssiString); } rptr += 8; // Point to the next relocation record @@ -774,7 +811,7 @@ int reloc_segment(struct OFILE * ofile, int flag) dataoffset += (ofile->o_header.dsize + (pad - ofile->o_header.dsize)); // BSS segment plus padding pad = ((ofile->o_header.bsize + secalign) & ~secalign); - bssoffset += (ofile->o_header.bsize + (pad - ofile->o_header.bsize)); + bssoffset += (ofile->o_header.bsize + (pad - ofile->o_header.bsize)); } // Return value, should always be zero @@ -822,7 +859,7 @@ int tryopen(char ** p_name) char * tmpbuf, * lastdot; // Buffer and 'dot' pointers int fd, hasdot; // File descriptor and 'has dot' flag - // Note that libdir will be an empty string if there is none specified + // Note that libdir will be an empty string if there is none specified if ((tmpbuf = malloc((long)strlen(name) + strlen(libdir) + 3)) == NULL) { printf("tryopen() : out of memory\n"); @@ -837,7 +874,7 @@ int tryopen(char ** p_name) goto ok; // Try to open file as passed first if (!hasdot) - { + { strcat(tmpbuf, ".o"); // Try to open file with '.o' added if ((fd = open(tmpbuf, _OPEN_FLAGS)) >= 0) @@ -885,7 +922,7 @@ ok: void put_name(struct OFILE * p) { int flag = *(p->o_arname); - printf("%s%s%s", flag ? p->o_arname : "", flag ? ":" : "", p->o_name); + printf("%s%s%s", (flag ? (char *)(p->o_arname) : ""), (flag ? ":" : ""), p->o_name); } @@ -923,7 +960,7 @@ int dofile(char * fname, int flag, char * sym) return 1; } - // The file is open; save its info in the handle and name arrays + // The file is open; save its info in the handle and name arrays handle[hd] = fd; name[hd] = fname; // This is the name from tryopen() hflag[hd] = flag; @@ -933,15 +970,15 @@ int dofile(char * fname, int flag, char * sym) { temp = strlen(sym); // Get symbol length - // 100 chars is max length of a symbol + // 100 chars is max length of a symbol if (temp > 99) { sym[99] = '\0'; temp = 99; } - // Malloc enough space for two symbols, then build the second one. Second one may be one - // character longer than first + // Malloc enough space for two symbols, then build the second one. Second one may be one + // character longer than first if ((hsym1[hd] = malloc((long)temp + 1)) == NULL || (hsym2[hd] = malloc((long)temp + 2)) == NULL) { @@ -1041,7 +1078,7 @@ int write_ofile(struct OHEADER * header) fd = fopen(ofile, "wb"); // Attempt to open output file if (!fd) - { + { printf("Can't open output file %s\n", ofile); // Error opening output file return 1; } @@ -1052,7 +1089,7 @@ int write_ofile(struct OHEADER * header) { tsoff = dsoff = bsoff = 0xA8; // Initialises segment offsets - // Process each object file segment size to obtain a cumulative segment size for both + // Process each object file segment size to obtain a cumulative segment size for both // the TEXT and DATA segments for(i=0; i<(int)obj_index; i++) { @@ -1078,11 +1115,11 @@ int write_ofile(struct OHEADER * header) putlong(himage + 28, header->dsize ); // DATA size in bytes putlong(himage + 32, header->bsize ); // BSS size in bytes putlong(himage + 36, tbase ); // Start of executable, normally @TEXT - putlong(himage + 40, tbase ); // @TEXT + putlong(himage + 40, tbase ); // @TEXT putlong(himage + 44, dbase ); // @DATA // Build the TEXT SEC_HDR - putlong(himage + 48, 0x2E746578 ); + putlong(himage + 48, 0x2E746578 ); putlong(himage + 52, 0x74000000 ); // ".text" putlong(himage + 56, tbase ); // TEXT START putlong(himage + 60, tbase ); // TEXT START @@ -1094,7 +1131,7 @@ int write_ofile(struct OHEADER * header) putlong(himage + 84, 0x00000020 ); // SEC_FLAGS: STYP_TEXT // Build the DATA SEC_HDR - putlong(himage + 88, 0x2E646174 ); + putlong(himage + 88, 0x2E646174 ); putlong(himage + 92, 0x61000000 ); // ".data" putlong(himage + 96, dbase ); // DATA START putlong(himage + 100, dbase ); // DATA START @@ -1106,7 +1143,7 @@ int write_ofile(struct OHEADER * header) putlong(himage + 124, 0x00000040 ); // SEC_FLAGS: STYP_DATA // Build the BSS SEC_HDR - putlong(himage + 128, 0x2E627373 ); + putlong(himage + 128, 0x2E627373 ); putlong(himage + 132, 0x00000000 ); // ".bss" putlong(himage + 136, bbase ); // BSS START putlong(himage + 140, bbase ); // BSS START @@ -1128,7 +1165,7 @@ int write_ofile(struct OHEADER * header) putlong(himage + 6, header->dsize ); // DATA segment size putlong(himage + 10, header->bsize ); // BSS segment size putlong(himage + 14, ost_index * 14 ); // Symbol table size (?) - putlong(himage + 18, 0x00000000 ); // + putlong(himage + 18, 0x00000000 ); // putlong(himage + 22, tbase ); // TEXT base address putword(himage + 26, 0xFFFF ); // Flags (?) putlong(himage + 28, dbase ); // DATA base address @@ -1142,13 +1179,13 @@ int write_ofile(struct OHEADER * header) if (!cflag) { if (!noheaderflag) - if (fwrite(himage, 36, 1, fd) != 1) + if (fwrite(himage, 36, 1, fd) != 1) goto werror; } // Absolute (COF) header else { - if (fwrite(himage, 168, 1, fd) != 1) + if (fwrite(himage, 168, 1, fd) != 1) goto werror; } @@ -1163,11 +1200,11 @@ int write_ofile(struct OHEADER * header) if (vflag > 1) printf("Writing TEXT Segment of %s\n", otemp->o_name); - if (fwrite(otemp->o_image + 32, osize, 1, fd) != 1) + if (fwrite(otemp->o_image + 32, osize, 1, fd) != 1) goto werror; // Pad to required alignment boundary - if (segmentpad(fd, osize, 0x0000)) + if (segmentpad(fd, osize, 0x0000)) goto werror; symoffset += osize; @@ -1189,7 +1226,7 @@ int write_ofile(struct OHEADER * header) goto werror; // Pad to required alignment boundary - if (segmentpad(fd, osize, 0)) + if (segmentpad(fd, osize, 0)) goto werror; symoffset += osize; @@ -1211,8 +1248,8 @@ int write_ofile(struct OHEADER * header) // Absolute (ABS) symbol/string table else { - // The symbol and string table have been created as part of the dosym() function and the - // output symbol and string tables are in COF format. For an ABS file we need to process + // The symbol and string table have been created as part of the dosym() function and the + // output symbol and string tables are in COF format. For an ABS file we need to process // through this to create the 14 character long combined symbol and string table. // Format of symbol table in ABS: AAAAAAAATTVVVV, where (A)=STRING, (T)=TYPE & (V)=VALUE @@ -1266,7 +1303,7 @@ int write_ofile(struct OHEADER * header) } } - // Close the file + // Close the file if (fclose(fd)) { printf("Close error on output file %s\n",ofile); @@ -1299,13 +1336,13 @@ int write_map(struct OHEADER * header) printf("LOAD MAP\n\n"); - // Outer loop for each of the symbol areas to map out; + // Outer loop for each of the symbol areas to map out; // 0 = NON-RELOCATABLE SYMBOLS // 1 = TEXT-SEGMENT RELOCATABLE SYMBOLS // 2 = DATA-SEGMENT RELOCATABLE SYMBOLS // 3 = BSS-SEGMENT RELOCATABLE SYMBOLS for(o=0; o<4; o++) - { + { // Display the correct map header for the symbols being processed switch (o) { @@ -1324,12 +1361,12 @@ int write_map(struct OHEADER * header) type = getlong(ost + (i * 12) + 4); // Get symbol type value = getlong(ost + (i * 12) + 8); // Get symbol value symbol = oststr + index; // Get symbol string - + // Display only three columns if (c == 3) { printf("\n"); - c = 0; + c = 0; } // If local symbols not included and the type is local then go to next symbol record @@ -1440,7 +1477,7 @@ struct OHEADER * make_ofile() textsize = datasize = bsssize = 0; // Initialise cumulative segment sizes - // For each object file, accumulate the sizes of the segments but remove those + // For each object file, accumulate the sizes of the segments but remove those // object files which are unused oprev = NULL; // Init previous obj file list ptr otemp = olist; // Set temp pointer to object file list @@ -1502,7 +1539,7 @@ struct OHEADER * make_ofile() ost_add("_BSS_E", 0x09000000, tval + textsize + datasize + bsssize); } else - { + { // BSS is independant of DATA bbase = bval; ost_add("_BSS_E", 0x09000000, bval + bsssize); @@ -1528,9 +1565,9 @@ struct OHEADER * make_ofile() } } - // Place each unresolved symbol in the output symbol table + // Place each unresolved symbol in the output symbol table if (dounresolved()) - return NULL; + return NULL; tptr = 0; // Initialise base addresses dptr = 0; @@ -1554,8 +1591,8 @@ struct OHEADER * make_ofile() bptr += (otemp->o_header.bsize + secalign) & ~secalign; } - // For each symbol, (conditionally) add it to the ost - // For ARCHIVE markers, this adds the symbol for the file & returns + // For each symbol, (conditionally) add it to the ost + // For ARCHIVE markers, this adds the symbol for the file & returns if (dosym(otemp)) return NULL; @@ -1599,7 +1636,7 @@ struct OHEADER * make_ofile() header->bsize = bsssize; // BSS segment size header->ssize = (ost_ptr - ost); // Symbol table size header->ostbase = ost; // Output symbol table base address - + // For each object file, relocate its TEXT and DATA segments. OR the result // into ret so all files get moved (and errors reported) before returning // with the error condition @@ -1633,6 +1670,12 @@ int add_to_hlist(struct HREC ** hptr, char * sym, struct OFILE * ofile, long val return 1; } + // Shamus: Moar testing... + if (vflag > 1) + { + printf("add_to_hlist(): hptr=$%08X, sym=\"%s\", ofile=$%08X, value=%li, type=%i", (unsigned int)hptr, sym, (unsigned int)ofile, value, type); + } + for(i=0; ih_sym[i] = '\0'; @@ -1683,7 +1726,9 @@ struct HREC * lookup(char * sym) while (hptr != NULL) { - if (symcmp(symbol, hptr->h_sym)) +//This is utter failure... +// if (symcmp(symbol, hptr->h_sym)) <-- left here for giggles :D - LinkoVitch + if (strcmp(symbol, hptr->h_sym) == 0) return hptr; hptr = hptr->h_next; // Return hash pointer if found @@ -1712,10 +1757,11 @@ int hash_add(char * sym, long type, long value, struct OFILE * ofile) return add_to_hlist(&htable[dohash(sym)], sym, ofile, value, type); } + // Already there! if (iscommon(type) && !iscommon(hptr->h_type)) { - // Mismatch: global came first; warn and keep the global one + // Mismatch: global came first; warn and keep the global one if (wflag) { printf("Warning: %s: global from ",sym); @@ -1730,7 +1776,7 @@ int hash_add(char * sym, long type, long value, struct OFILE * ofile) } else if (iscommon(hptr->h_type) && !iscommon(type)) { - // Mismatch: common came first; warn and keep the global one + // Mismatch: common came first; warn and keep the global one if (wflag) { printf("Warning: %s: global from ", sym); @@ -1746,7 +1792,7 @@ int hash_add(char * sym, long type, long value, struct OFILE * ofile) } else if (flag) { // They're both global - // Global exported by another ofile; warn and make this one extern + // Global exported by another ofile; warn and make this one extern if (wflag) { printf("Duplicate symbol %s: ", sym); @@ -1759,7 +1805,7 @@ int hash_add(char * sym, long type, long value, struct OFILE * ofile) putword(sym + 8, ABST_EXTERN); } else - { // They're both common + { // They're both common if (hptr->h_value < value) { hptr->h_value = value; @@ -1775,7 +1821,7 @@ int hash_add(char * sym, long type, long value, struct OFILE * ofile) // Add the imported symbols from this file to unresolved, and the global and // common symbols to the exported hash table. // -// Change old-style commons (type == T_EXTERN, value != 0) to new-style ones +// Change old-style commons (type == T_EXTERN, value != 0) to new-style ones // (type == (T_GLOBAL | T_EXTERN)). // int add_symbols(struct OFILE * Ofile) @@ -1794,8 +1840,8 @@ int add_symbols(struct OFILE * Ofile) printf("Add symbols for file %s\n", Ofile->o_name); ptr = Ofile->o_image + 32 // Get base pointer, start of sym fixups - + Ofile->o_header.tsize - + Ofile->o_header.dsize + + Ofile->o_header.tsize + + Ofile->o_header.dsize + Ofile->o_header.absrel.reloc.tsize + Ofile->o_header.absrel.reloc.dsize; sfix = ptr; // Set symbol fixup pointer @@ -1885,7 +1931,7 @@ int doobj(char * fname, char * ptr, char * aname, int flags) Ofile->o_bbase = 0; Ofile->o_flags = flags; Ofile->o_image = ptr; - + // Don't do anything if this is just an ARCHIVE marker, just add the file to the olist if (!(flags & O_ARCHIVE)) { @@ -1896,8 +1942,8 @@ int doobj(char * fname, char * ptr, char * aname, int flags) Ofile->o_header.ssize = getlong(ptr+16); Ofile->o_header.absrel.reloc.tsize = getlong(ptr+24); Ofile->o_header.absrel.reloc.dsize = getlong(ptr+28); - - // Round BSS off to alignment boundary + + // Round BSS off to alignment boundary Ofile->o_header.bsize = (Ofile->o_header.bsize + secalign) & ~secalign; if (Ofile->o_header.dsize & 7) @@ -1906,7 +1952,7 @@ int doobj(char * fname, char * ptr, char * aname, int flags) put_name(Ofile); printf(" is not a phrase multiple\n"); } - + // Check for odd segment sizes if ((Ofile->o_header.tsize & 1) || (Ofile->o_header.dsize & 1) || (Ofile->o_header.bsize & 1)) @@ -1921,10 +1967,10 @@ int doobj(char * fname, char * ptr, char * aname, int flags) return 1; } - // Add this file to the olist - if (olist == NULL) + // Add this file to the olist + if (olist == NULL) olist = Ofile; - else + else olast->o_next = Ofile; olast = Ofile; @@ -1945,7 +1991,7 @@ int dolist(void) // Process object file list while (plist != NULL) { - if (doobj(plist->o_name, plist->o_image, plist->o_arname, plist->o_flags)) + if (doobj(plist->o_name, plist->o_image, plist->o_arname, plist->o_flags)) return 1; ptemp = plist; @@ -2011,7 +2057,7 @@ char * path_tail(char * name) int pladd(char * ptr, char * fname) { if (plist == NULL) - { + { plist = new_ofile(); // First time object record allocation plast = plist; // Update last object record pointer } @@ -2022,7 +2068,7 @@ int pladd(char * ptr, char * fname) } if (plast == NULL) - { + { printf("Out of memory.\n"); // Error if memory allocation fails return 1; } @@ -2058,7 +2104,7 @@ int pladd(char * ptr, char * fname) // int doinclude(char * fname, int handle, char * sym1, char * sym2, int segment) { - long fsize, dsize, size; // File, DATA segment and image sizes + long fsize, dsize, size; // File, DATA segment and image sizes char * ptr, * sptr; // Data pointers int i; // Iterators int sym1len = 0; // Symbol 1 length @@ -2095,13 +2141,13 @@ int doinclude(char * fname, int handle, char * sym1, char * sym2, int segment) strcpy(obj_fname[obj_index], path_tail(fname)); - // Build this image's dummy header + // Build this image's dummy header putlong(ptr, 0x00000107); // Magic number if (segment) { - putlong(ptr+4, dsize); // Text size - putlong(ptr+8, 0L); // Data size + putlong(ptr+4, dsize); // Text size + putlong(ptr+8, 0L); // Data size symtype = 0x05000000; obj_segsize[obj_index][0] = dsize; obj_segsize[obj_index][1] = 0; @@ -2109,8 +2155,8 @@ int doinclude(char * fname, int handle, char * sym1, char * sym2, int segment) } else { - putlong(ptr+4, 0L); // Text size - putlong(ptr+8, dsize); // Data size + putlong(ptr+4, 0L); // Text size + putlong(ptr+8, dsize); // Data size symtype = 0x07000000; obj_segsize[obj_index][0] = 0; obj_segsize[obj_index][1] = dsize; @@ -2119,7 +2165,7 @@ int doinclude(char * fname, int handle, char * sym1, char * sym2, int segment) obj_index++; // Increment object count - putlong(ptr+12, 0L); // BSS size + putlong(ptr+12, 0L); // BSS size putlong(ptr+16, 24); // Symbol table size putlong(ptr+20, 0L); // Entry point putlong(ptr+24, 0L); // TEXT relocation size @@ -2141,7 +2187,7 @@ int doinclude(char * fname, int handle, char * sym1, char * sym2, int segment) sptr = ptr + 32 + dsize + 24 + 4; // Set sptr to symbol table location for(i=0; i<(sym1len-1); i++) // Write symbol1 to string table - sptr[i] = *sym1++; + sptr[i] = *sym1++; sptr += (sym1len-1); // Step past symbol string *sptr = '\0'; // Terminate symbol string @@ -2172,7 +2218,7 @@ int doobject(char * fname, int fd, char * ptr) long size; // File size if (ptr == NULL) - { + { size = FSIZE(fd); // Get size of input object file // Allocate memory for file data @@ -2199,9 +2245,9 @@ int doobject(char * fname, int fd, char * ptr) obj_index++; close(fd); // Close file - } + } - // Now add this image to the list of pending ofiles (plist) + // Now add this image to the list of pending ofiles (plist) // This routine is shared by doinclude after it builds the image return pladd(ptr, fname); } @@ -2234,14 +2280,14 @@ int flush_handles(void) close(handle[i]); // Close file and error return 1; } - - lseek(handle[i], 0L, 0); // Reset to start of input file + + lseek(handle[i], 0L, 0); // Reset to start of input file // test = getlong(magic); printf("Magic Number is 0x%08X\n", test); if (getlong(magic) == 0x00000107) { // Look for SMAC/MAC object files if (doobject(name[i], handle[i], 0L)) // Process input object file - return 1; + return 1; } else { @@ -2254,7 +2300,7 @@ int flush_handles(void) { // INCLUDE FILES // If hflag[i] is 1, include this in the data segment; if 2, put in in text segment - if (doinclude(name[i], handle[i], hsym1[i], hsym2[i], hflag[i] - 1)) + if (doinclude(name[i], handle[i], hsym1[i], hsym2[i], hflag[i] - 1)) return 1; } } @@ -2262,7 +2308,7 @@ int flush_handles(void) // Free include, symbol & object handles for(i=0; i<(int)hd; i++) { - free(name[i]); + free(name[i]); if (hflag[i]) { @@ -2370,7 +2416,7 @@ int docmdfile(char * fname) // Attempt to open and read in the command file if (fname) - { + { if ((fd = open(fname, _OPEN_FLAGS)) < 0) { printf("Cannot open command file %s.\n", fname); @@ -2427,278 +2473,285 @@ int docmdfile(char * fname) // int doargs(int argc, char * argv[]) { - int i = 1; // Iterator - int c; // Command line character - char * ifile, * isym; // File name and symbol name for -i - - while (i < argc) - { // Parse through option switches & files - if (argv[i][0] == '-') - { // Process command line switches - if (!argv[i][1]) - { - printf("Illegal option argument: %s\n\n", argv[i]); - display_help(); - return 1; - } - - c = argv[i++][1]; // Get next character in command line - - switch (c) - { // Process command line switch - case '?': // Display usage information - case 'h': + int i = 1; // Iterator + int c; // Command line character + char * ifile, * isym; // File name and symbol name for -i + + while (i < argc) + { // Parse through option switches & files + if (argv[i][0] == '-') + { // Process command line switches + if (!argv[i][1]) + { + printf("Illegal option argument: %s\n\n", argv[i]); + display_help(); + return 1; + } + + c = argv[i++][1]; // Get next character in command line + + switch (c) + { // Process command line switch + case '?': // Display usage information + case 'h': case 'H': - display_version(); - display_help(); - return 1; - case 'a': - case 'A': // Set absolute linking on - if (aflag) - warn('a', 1); - - if (i + 2 >= argc) - { - printf("Not enough arguments to -a\n"); - return 1; - } - - aflag = 1; // Set abs link flag - // Segment order is TEXT, DATA, BSS - // Text segment can be 'r', 'x' or a value - ttype = 0; - - if ((*argv[i] == 'r' || *argv[i] == 'R') && !argv[i][1]) - { - ttype = -1; // TEXT segment is relocatable - } - else if ((*argv[i] == 'x' || *argv[i] == 'X')) - { - printf("Error in text-segment address: cannot be contiguous\n"); - return 1; - } - else if ((ttype = 0), getval(argv[i], &tval)) - { - printf("Error in text-segment address: %s is not 'r', 'x' or an address.", argv[i]); - return 1; - } - - i++; - // Data segment can be 'r', 'x' or a value - dtype = 0; - - if ((*argv[i] == 'r' || *argv[i] == 'R') && !argv[i][1]) - { - dtype = -1; // DATA segment is relocatable - } - else if ((*argv[i] == 'x' || *argv[i] == 'X')) - { - dtype = -2; // DATA follows TEXT - } - else if ((dtype = 0), getval(argv[i],&dval)) - { - printf("Error in data-segment address: %s is not 'r', 'x' or an address.", argv[i]); - return 1; - } - - i++; - btype = 0; - - // BSS segment can be 'r', 'x' or a value - if ((*argv[i] == 'r' || *argv[i] == 'R') && !argv[i][1]) - { - btype = -1; // BSS segment is relocatable - } - else if ((*argv[i] == 'x' || *argv[i] == 'X')) - { - btype = -3; // BSS follows DATA - } - else if ((btype = 0), getval(argv[i],&bval)) - { - printf("Error in bss-segment address: %s is not 'r', 'x[td]', or an address.", argv[i]); - return 1; - } - - i++; - break; - case 'b': + display_version(); + display_help(); + return 1; + case 'a': + case 'A': // Set absolute linking on + if (aflag) + warn('a', 1); + + if (i + 2 >= argc) + { + printf("Not enough arguments to -a\n"); + return 1; + } + + aflag = 1; // Set abs link flag + // Segment order is TEXT, DATA, BSS + // Text segment can be 'r', 'x' or a value + ttype = 0; + + if ((*argv[i] == 'r' || *argv[i] == 'R') && !argv[i][1]) + { + ttype = -1; // TEXT segment is relocatable + } + else if ((*argv[i] == 'x' || *argv[i] == 'X')) + { + printf("Error in text-segment address: cannot be contiguous\n"); + return 1; + } + else if ((ttype = 0), getval(argv[i], &tval)) + { + printf("Error in text-segment address: %s is not 'r', 'x' or an address.", argv[i]); + return 1; + } + + i++; + // Data segment can be 'r', 'x' or a value + dtype = 0; + + if ((*argv[i] == 'r' || *argv[i] == 'R') && !argv[i][1]) + { + dtype = -1; // DATA segment is relocatable + } + else if ((*argv[i] == 'x' || *argv[i] == 'X')) + { + dtype = -2; // DATA follows TEXT + } + else if ((dtype = 0), getval(argv[i],&dval)) + { + printf("Error in data-segment address: %s is not 'r', 'x' or an address.", argv[i]); + return 1; + } + + i++; + btype = 0; + + // BSS segment can be 'r', 'x' or a value + if ((*argv[i] == 'r' || *argv[i] == 'R') && !argv[i][1]) + { + btype = -1; // BSS segment is relocatable + } + else if ((*argv[i] == 'x' || *argv[i] == 'X')) + { + btype = -3; // BSS follows DATA + } + else if ((btype = 0), getval(argv[i],&bval)) + { + printf("Error in bss-segment address: %s is not 'r', 'x[td]', or an address.", argv[i]); + return 1; + } + + i++; + break; + case 'b': case 'B': // Don't remove muliply defined locals - if (bflag) - warn('b', 1); + if (bflag) + warn('b', 1); - bflag = 1; - break; - case 'c': + bflag = 1; + break; + case 'c': case 'C': // Process a command file - if (i == argc) - { - printf("Not enough arguments to -c\n"); - return 1; - } - - if (docmdfile(argv[i++])) - { - return 1; - } - - break; - case 'd': - case 'D': // Wait for "return" before exiting - if (dflag) - warn('d', 0); - - dflag = 1; - waitflag = 1; - break; - case 'e': + if (i == argc) + { + printf("Not enough arguments to -c\n"); + return 1; + } + + if (docmdfile(argv[i++])) + { + return 1; + } + + break; + case 'd': + case 'D': // Wait for "return" before exiting + if (dflag) + warn('d', 0); + + dflag = 1; + waitflag = 1; + break; + case 'e': case 'E': // Output COFF (absolute only) - cflag = 1; - break; - case 'g': + cflag = 1; + break; + case 'g': case 'G': // Output source level debugging - printf("\'g\' flag not currently implemented\n"); - gflag = 0; - /* - if (gflag) warn('g', 1); - gflag = 1; - */ - break; - case 'i': + printf("\'g\' flag not currently implemented\n"); + gflag = 0; + /* + if (gflag) warn('g', 1); + gflag = 1; + */ + break; + case 'i': case 'I': // Include binary file - if (i + 2 > argc) - { - printf("Not enough arguments to -i\n"); - return 1; - } - - ifile = argv[i++]; - isym = argv[i++]; - - if ((argv[i-3][2] == 'i') || (argv[i-3][2] == 'I')) - { // handle -ii (No truncation) - if (!cflag) - printf("warning: (-ii) COFF format output not specified\n"); - } - else - { // handle -i (Truncation) - if (strlen(isym) > 7) - isym[7] = '\0'; - } - - // Place include files in the DATA segment only - if (dofile(ifile, DSTSEG_D, isym)) - return 1; - - break; - case 'l': + if (i + 2 > argc) + { + printf("Not enough arguments to -i\n"); + return 1; + } + + ifile = argv[i++]; + isym = argv[i++]; + + if ((argv[i-3][2] == 'i') || (argv[i-3][2] == 'I')) + { // handle -ii (No truncation) + if (!cflag) + printf("warning: (-ii) COFF format output not specified\n"); + } + else + { // handle -i (Truncation) + if (strlen(isym) > 7) + isym[7] = '\0'; + } + + // Place include files in the DATA segment only + if (dofile(ifile, DSTSEG_D, isym)) + return 1; + + break; + case 'l': case 'L': // Add local symbols - if (lflag) - warn('l', 1); + if (lflag) + warn('l', 1); - lflag = 1; - break; - case 'm': + lflag = 1; + break; + case 'm': case 'M': // Produce load symbol map - if (mflag) - warn('m', 1); + if (mflag) + warn('m', 1); - mflag = 1; - break; - case 'n': + mflag = 1; + break; + case 'n': case 'N': // Output no header to .abs file - if (noheaderflag) - warn('n', 1); - - noheaderflag = 1; - break; - case 'o': - case 'O': // Specify an output file - if (oflag) - warn('o', 1); - - oflag = 1; - - if (i >= argc) - { - printf("No output filename following -o switch\n"); - return 1; - } - - if (strlen(argv[i]) > FARGSIZE - 5) - { - printf("Output file name too long (sorry!)\n"); - return 1; - } - - strcpy(ofile, argv[i++]); - break; - case 'r': + if (noheaderflag) + warn('n', 1); + + noheaderflag = 1; + break; + case 'o': + case 'O': // Specify an output file + if (oflag) + warn('o', 1); + + oflag = 1; + + if (i >= argc) + { + printf("No output filename following -o switch\n"); + return 1; + } + + if (strlen(argv[i]) > FARGSIZE - 5) + { + printf("Output file name too long (sorry!)\n"); + return 1; + } + + strcpy(ofile, argv[i++]); + break; + case 'r': case 'R': // Section alignment size - if (rflag) - warn('r', 1); - - rflag = 1; - - switch (argv[i-1][2]) - { - case 'w': case 'W': secalign = 1; break; // Word alignment - case 'l': case 'L': secalign = 3; break; // Long alignment - case 'p': case 'P': secalign = 7; break; // Phrase alignment - case 'd': case 'D': secalign = 15; break; // Double phrase alignment - case 'q': case 'Q': secalign = 31; break; // Quad phrase alignment - default: secalign = 7; break; // Default phrase alignment - } - - break; - case 's': + if (rflag) + warn('r', 1); + + rflag = 1; + + switch (argv[i-1][2]) + { + case 'w': case 'W': secalign = 1; break; // Word alignment + case 'l': case 'L': secalign = 3; break; // Long alignment + case 'p': case 'P': secalign = 7; break; // Phrase alignment + case 'd': case 'D': secalign = 15; break; // Double phrase alignment + case 'q': case 'Q': secalign = 31; break; // Quad phrase alignment + default: secalign = 7; break; // Default phrase alignment + } + + break; + case 's': case 'S': // Output only global symbols - if (sflag) - warn('s', 1); + if (sflag) + warn('s', 1); - sflag = 1; - break; - case 'v': + sflag = 1; + break; + case 'v': case 'V': // Verbose information - if (!vflag && !versflag) - { - display_version(); - } - - vflag++; - break; - case 'z': - case 'Z': // Suppress banner flag - if (zflag) - warn('z', 1); - - zflag = 1; - break; - default: - printf("unknown option argument `%c'\n", c); - return 1; - } - } - else - { // Not a switch, then process as a file - if (dofile(argv[i++], 0, NULL)) - return 1; - } - - } - - if (!oflag && vflag) - { - strcpy(ofile, "output"); - printf("Output file is %s[.ext]\n", ofile); - } - - if (oflag && vflag) - printf("Output file is %s\n", ofile); - - if (sflag) - lflag = 0; - - return 0; // No problems encountered + if (!vflag && !versflag) + { + display_version(); + } + + vflag++; + break; + case 'w': + case 'W': // Show warnings flag + if (wflag) + warn('w', 1); + + wflag = 1; + break; + case 'z': + case 'Z': // Suppress banner flag + if (zflag) + warn('z', 1); + + zflag = 1; + break; + default: + printf("unknown option argument `%c'\n", c); + return 1; + } + } + else + { // Not a switch, then process as a file + if (dofile(argv[i++], 0, NULL)) + return 1; + } + + } + + if (!oflag && vflag) + { + strcpy(ofile, "output"); + printf("Output file is %s[.ext]\n", ofile); + } + + if (oflag && vflag) + printf("Output file is %s\n", ofile); + + if (sflag) + lflag = 0; + + return 0; // No problems encountered } @@ -2709,8 +2762,8 @@ void display_version(void) { if (displaybanner)// && vflag) { - printf("\nReboot's Linker for Atari Jaguar\n"); - printf("Copyright (c) 199x Allan K. Pratt, 2011 Reboot\n"); + printf("\nReboot's Linker for Atari Jaguar\n"); + printf("Copyright (c) 199x Allan K. Pratt, 2011 Reboot\n"); printf("V%i.%i.%i %s (%s)\n\n", MAJOR, MINOR, PATCH, __DATE__, PLATFORM); } } @@ -2748,6 +2801,7 @@ void display_help(void) printf(" q: quad phrase (32 bytes)\n"); printf(" -s output only global symbols\n"); printf(" -v set verbose mode\n"); + printf(" -w show linker warnings\n"); printf(" -z suppress banner\n"); printf("\n"); } @@ -2767,7 +2821,7 @@ void rln_exit(void) // Wait for return key if requested if (waitflag) { - printf("\nPress the key to continue. "); + printf("\nPress the [RETURN] key to continue. "); fgets(tempbuf, 128, stdin); } @@ -2784,9 +2838,9 @@ int get_endianess(void) char * p = (char *)&i; if (p[0] == 1) - return 0; // LITTLE + return ENDIANNESS_LITTLE; - return 1; // BIG + return ENDIANNESS_BIG; } @@ -2796,7 +2850,7 @@ int get_endianess(void) int main(int argc, char * argv[]) { char * s = NULL; // String pointer for "getenv" - struct HREC * utemp; // Temporary hash record pointer + struct HREC * utemp; // Temporary hash record pointer struct OHEADER * header; // Pointer to output header structure endian = get_endianess(); // Get processor endianess @@ -2816,7 +2870,7 @@ int main(int argc, char * argv[]) if (!zflag && !vflag) { display_version(); // Display version information - versflag = 1; // We've dumped the version banner + versflag = 1; // We've dumped the version banner } // Process in specified files/objects @@ -2847,7 +2901,7 @@ int main(int argc, char * argv[]) { printf("UNRESOLVED SYMBOLS\n"); - // Don't list them if two -u's or more + // Don't list them if two -u's or more if (uflag < 2) { utemp = unresolved; @@ -2895,9 +2949,9 @@ int main(int argc, char * argv[]) printf("Absolute linking "); if (cflag) - printf("(COF)\n"); + printf("(COF)\n"); else - printf("(ABS)\n"); + printf("(ABS)\n"); } if (vflag > 1) @@ -2922,6 +2976,8 @@ int main(int argc, char * argv[]) printf("+---------+----------+----------+----------+\n\n"); } +//printf("BIG_ENDIAN = %i, LITTLE_ENDIAN = %i\n", BIG_ENDIAN, LITTLE_ENDIAN); + free(header); // Free allocated memory rln_exit(); // Perform application exit }