X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=object.c;h=7545866fd8a9f10106aad0adf726715fb0f951d4;hp=29fd8f3ce0d672e42757eed92131ccfd47b6461d;hb=2e916a913fcc2650a85fa1f1b96b74abdda9ef9e;hpb=29fa5dcf504b966803063a1c2891f58f97126d04 diff --git a/object.c b/object.c index 29fd8f3..7545866 100644 --- a/object.c +++ b/object.c @@ -1,7 +1,7 @@ // // RMAC - Reboot's Macro Assembler for all Atari computers // OBJECT.C - Writing Object Files -// Copyright (C) 199x Landon Dyer, 2011-2019 Reboot and Friends +// Copyright (C) 199x Landon Dyer, 2011-2020 Reboot and Friends // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986 // Source utilised with the kind permission of Landon Dyer // @@ -124,7 +124,8 @@ uint8_t * AddSymEntry(register uint8_t * buf, SYM * sym, int globflag) w |= AL_EXTERN | AL_GLOBAL; // Common symbol w &= ~AL_BSS; // They're not BSS in Alcyon object files } - else if (w1 & DEFINED) + + if (w1 & DEFINED) { if (globflag) // Export the symbol w |= AL_GLOBAL; @@ -218,12 +219,7 @@ uint8_t * AddELFSymEntry(uint8_t * buf, SYM * sym, int globflag) register WORD w1 = sym->sattr; - if (w1 & COMMON) - { - //w |= AL_EXTERN | AL_GLOBAL; // common symbol - //w &= ~AL_BSS; // they're not BSS in Alcyon object files - } - else if (w1 & DEFINED) + if (w1 & DEFINED) { if (globflag) // Export the symbol st_info |= 16; //STB_GLOBAL (1<<4) @@ -314,14 +310,13 @@ uint32_t DepositELFSymbol(uint8_t * ptr, uint32_t name, uint32_t addr, uint32_t // int WriteObject(int fd) { - LONG t; // Scratch long LONG tds; // TEXT & DATA segment size int i; // Temporary int CHUNK * cp; // Chunk (for gather) uint8_t * buf; // Scratch area uint8_t * p; // Temporary ptr LONG trsize, drsize; // Size of relocations - long unused; // For supressing 'write' warnings + uint32_t unused; // For supressing 'write' warnings if (verb_flag) { @@ -332,7 +327,9 @@ int WriteObject(int fd) // Write requested object file... if ((obj_format == BSD) || ((obj_format == ALCYON) && (prg_flag == 0))) - { + { + ch_size = 0; + // Force BSD format (if it was ALCYON format) obj_format = BSD; @@ -430,6 +427,8 @@ int WriteObject(int fd) } else if (obj_format == ALCYON) { + ch_size = 0; + if (verb_flag) { if (prg_flag) @@ -440,6 +439,7 @@ int WriteObject(int fd) // Assign index numbers to the symbols, get # of symbols (we assume // that all symbols can potentially be extended, hence the x28) + // (To clarify: 28 bytes is the size of an extended symbol) uint32_t symbolMaxSize = sy_assign(NULL, NULL) * 28; // Alloc memory for header + text + data, symbol and relocation @@ -484,6 +484,9 @@ int WriteObject(int fd) sy_assign(buf + HDRSIZE + tds, AddSymEntry); chptr = buf + 0x0E; // Point to symbol table size entry D_long(symsize); + + if (verb_flag) + printf("Symbol table: %d bytes\n", symsize); } // Write out the header + text & data + symbol table (if any) @@ -809,13 +812,52 @@ for(int j=0; jchnext) + { + memcpy(p, cp->chptr, cp->ch_size); + p += cp->ch_size; + } + } + + if (MarkABSImage(buf, tds, sect[TEXT].sloc, TEXT) != OK) // Do TEXT relocation table + { + return ERROR; + } + if (MarkABSImage(buf, tds, sect[TEXT].sloc, DATA) != OK) // Do DATA relocation table + { + return ERROR; + } + + // Write out the header + text & data + symbol table (if any) + unused = write(fd, buf, tds); + + } return 0; }