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missing patches

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This commit is contained in:
Andre Fachat 2023-11-01 13:01:23 +01:00
parent 4e90af6e29
commit c46dae2105
2 changed files with 49 additions and 6 deletions
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32
xa/misc/ldo65.c
View File

@ -124,6 +124,7 @@ file65 file;
unsigned char cmp[] = { 1, 0, 'o', '6', '5' };
unsigned char hdr[26] = { 1, 0, 'o', '6', '5', 0 };
int verbose = 0;
void usage(FILE *fp)
{
@ -139,6 +140,7 @@ void usage(FILE *fp)
" -U accept any undef'd labels after linking\n"
" -L<name> accept specific given undef'd labels after linking\n"
" -g<name> only export the globals defined with (multiple) -g options\n"
" -v verbose output\n"
" --version output version information and exit\n"
" --help display this help and exit\n",
programname);
@ -186,6 +188,13 @@ int main(int argc, char *argv[]) {
while(i<argc && argv[i][0]=='-') {
/* process options */
switch(argv[i][1]) {
case 'v':
j=1;
while (argv[i][j]=='v') {
verbose++;
j++;
}
break;
case 'G':
noglob=1;
break;
@ -295,6 +304,19 @@ printf("tbase=%04x+len=%04x->%04x, file->tbase=%04x, f.tlen=%04x -> tdiff=%04x\n
printf("zbase=%04x+len=%04x->%04x, file->zbase=%04x, f.zlen=%04x -> zdiff=%04x\n",
zbase, tzlen, (zbase + tzlen), file->zbase, file->zlen, file->zdiff);
*/
if (verbose > 0) {
printf("Relocating file: %s\n", file->fname);
printf(" text: from %04x to %04x (diff is %04x, length is %04x)\n",
file->tbase, file->tbase + file->tdiff, file->tdiff, file->tlen);
printf(" data: from %04x to %04x (diff is %04x, length is %04x)\n",
file->dbase, file->dbase + file->ddiff, file->ddiff, file->dlen);
printf(" bss: from %04x to %04x (diff is %04x, length is %04x)\n",
file->bbase, file->bbase + file->bdiff, file->bdiff, file->blen);
printf(" zero: from %02x to %02x (diff is %02x, length is %02x)\n",
file->zbase, file->zbase + file->zdiff, file->zdiff, file->zlen);
}
/* update globals (for result file) */
ttlen += file->tlen;
tdlen += file->dlen;
@ -677,17 +699,21 @@ int len_reloc_seg(unsigned char *buf, int ri) {
unsigned char *reloc_globals(unsigned char *buf, file65 *fp) {
int n, old, new, seg;
char *name;
n = buf[0] + 256*buf[1];
buf +=2;
while(n) {
/*printf("relocating %s, ", buf);*/
name = buf;
while(*(buf++));
seg = *buf;
seg = *buf & 0x07;
old = buf[1] + 256*buf[2];
new = old + reldiff(seg);
/*printf("old=%04x, seg=%d, rel=%04x, new=%04x\n", old, seg, reldiff(seg), new);*/
if (verbose > 1) {
printf("%s:%s: old=%04x, seg=%d, rel=%04x, new=%04x\n",
fp->fname, name, old, seg, reldiff(seg), new);
}
buf[1] = new & 255;
buf[2] = (new>>8) & 255;
buf +=3;

23
xa/src/xal.c
View File

@ -707,6 +707,9 @@ int ll_pdef(char *t)
return(E_NODEF);
}
/*
* Write out the list of global labels in an o65 file
*/
int l_write(FILE *fp)
{
int i, afl, n=0;
@ -716,25 +719,39 @@ int l_write(FILE *fp)
fputc(0, fp);
return 0;
}
// calculate number of global labels
for (i=0;i<afile->la.lti;i++) {
ltp=afile->la.lt+i;
if((!ltp->blk) && (ltp->fl==1)) {
n++;
}
}
// write number of globals to file
fputc(n&255, fp);
fputc((n>>8)&255, fp);
// iterate over labels and write out label
for (i=0;i<afile->la.lti;i++)
{
ltp=afile->la.lt+i;
if((!ltp->blk) && (ltp->fl==1)) {
// write global name
fprintf(fp, "%s",ltp->n);
fputc(0,fp);
// segment byte
afl = ltp->afl;
/* hack to switch undef and abs flag from internal to file format */
/*printf("label %s, afl=%04x, A_FMASK>>8=%04x\n", ltp->n, afl, A_FMASK>>8);*/
if( (afl & (A_FMASK>>8)) < SEG_TEXT) afl^=1;
// hack to switch undef and abs flag from internal to file format
// if asolute of undefined (< SEG_TEXT, i.e. 0 or 1)
// then invert bit 0 (0 = absolute)
if( (afl & (A_FMASK>>8)) < SEG_TEXT) {
afl^=1;
}
// remove residue flags, only write out real segment number
// according to o65 file format definition
afl = afl & (A_FMASK >> 8);
fputc(afl,fp);
// value
fputc(ltp->val&255, fp);
fputc((ltp->val>>8)&255, fp);
}