X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=object.c;h=0b7df7ed8ecc77b1d7bb2eb1ad9ad26b6319821b;hp=f100e4ae18fd1a95a8c9fc3e903231fd3c7f614a;hb=d812346ecf7309ee3fb88a8dd1f4bca033121ad5;hpb=bf4dbb2860116dd1d0fd934b28a16f9eb15cd7fd diff --git a/object.c b/object.c index f100e4a..0b7df7e 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 // @@ -173,14 +173,16 @@ uint8_t * AddBSDSymEntry(uint8_t * buf, SYM * sym, int globflag) { z = 0x02000000; // Set equated flag } - else + + // If a symbol is both EQUd and flagged as TBD then we let + // the later take precedence. Otherwise the linker will not even + // bother trying to relocate the address during link time + + switch (w1 & TDB) { - switch (w1 & TDB) - { - case TEXT: z = 0x04000000; break; // Set TEXT segment flag - case DATA: z = 0x06000000; break; // Set DATA segment flag - case BSS : z = 0x08000000; break; // Set BSS segment flag - } + case TEXT: z = 0x04000000; break; // Set TEXT segment flag + case DATA: z = 0x06000000; break; // Set DATA segment flag + case BSS : z = 0x08000000; break; // Set BSS segment flag } if (globflag) @@ -327,7 +329,9 @@ 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; @@ -425,6 +429,8 @@ int WriteObject(int fd) } else if (obj_format == ALCYON) { + ch_size = 0; + if (verb_flag) { if (prg_flag) @@ -435,6 +441,7 @@ 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 @@ -807,13 +814,52 @@ 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; }