static void as86_out(int32_t segto, const void *data,
enum out_type type, uint64_t size,
int32_t segment, int32_t wrt)
{
struct Section *s;
int32_t offset;
uint8_t mydata[4], *p;
if (wrt != NO_SEG) {
wrt = NO_SEG; /* continue to do _something_ */
nasm_error(ERR_NONFATAL, "WRT not supported by as86 output format");
}
/*
* handle absolute-assembly (structure definitions)
*/
if (segto == NO_SEG) {
if (type != OUT_RESERVE)
nasm_error(ERR_NONFATAL, "attempt to assemble code in [ABSOLUTE]"
" space");
return;
}
if (segto == stext.index)
s = &stext;
else if (segto == sdata.index)
s = &sdata;
else if (segto == bssindex)
s = NULL;
else {
nasm_error(ERR_WARNING, "attempt to assemble code in"
" segment %d: defaulting to `.text'", segto);
s = &stext;
}
if (!s && type != OUT_RESERVE) {
nasm_error(ERR_WARNING, "attempt to initialize memory in the"
" BSS section: ignored");
bsslen += realsize(type, size);
return;
}
memset(mydata, 0, sizeof(mydata));
if (type == OUT_RESERVE) {
if (s) {
nasm_error(ERR_WARNING, "uninitialized space declared in"
" %s section: zeroing",
(segto == stext.index ? "code" : "data"));
as86_sect_write(s, NULL, size);
as86_add_piece(s, 0, 0L, 0L, size, 0);
} else
bsslen += size;
} else if (type == OUT_RAWDATA) {
if (segment != NO_SEG)
nasm_panic(0, "OUT_RAWDATA with other than NO_SEG");
as86_sect_write(s, data, size);
as86_add_piece(s, 0, 0L, 0L, size, 0);
} else if (type == OUT_ADDRESS) {
int asize = abs((int)size);
if (segment != NO_SEG) {
if (segment % 2) {
nasm_error(ERR_NONFATAL, "as86 format does not support"
" segment base references");
} else {
offset = *(int64_t *)data;
as86_add_piece(s, 1, offset, segment, asize, 0);
}
} else {
p = mydata;
WRITELONG(p, *(int64_t *)data);
as86_sect_write(s, data, asize);
as86_add_piece(s, 0, 0L, 0L, asize, 0);
}
} else if (type == OUT_REL2ADR) {
if (segment == segto)
nasm_panic(0, "intra-segment OUT_REL2ADR");
if (segment != NO_SEG) {
if (segment % 2) {
nasm_error(ERR_NONFATAL, "as86 format does not support"
" segment base references");
} else {
offset = *(int64_t *)data;
as86_add_piece(s, 1, offset - size + 2, segment, 2L,
1);
}
}
} else if (type == OUT_REL4ADR) {
if (segment == segto)
nasm_panic(0, "intra-segment OUT_REL4ADR");
if (segment != NO_SEG) {
if (segment % 2) {
nasm_error(ERR_NONFATAL, "as86 format does not support"
" segment base references");
} else {
offset = *(int64_t *)data;
as86_add_piece(s, 1, offset - size + 4, segment, 4L,
1);
}
}
}
}
static void as86_out (long segto, void *data, unsigned long type,
long segment, long wrt)
{
struct Section *s;
long realbytes = type & OUT_SIZMASK;
long offset;
unsigned char mydata[4], *p;
if (wrt != NO_SEG) {
wrt = NO_SEG; /* continue to do _something_ */
error (ERR_NONFATAL, "WRT not supported by as86 output format");
}
type &= OUT_TYPMASK;
/*
* handle absolute-assembly (structure definitions)
*/
if (segto == NO_SEG) {
if (type != OUT_RESERVE)
error (ERR_NONFATAL, "attempt to assemble code in [ABSOLUTE]"
" space");
return;
}
if (segto == stext.index)
s = &stext;
else if (segto == sdata.index)
s = &sdata;
else if (segto == bssindex)
s = NULL;
else {
error(ERR_WARNING, "attempt to assemble code in"
" segment %d: defaulting to `.text'", segto);
s = &stext;
}
if (!s && type != OUT_RESERVE) {
error(ERR_WARNING, "attempt to initialise memory in the"
" BSS section: ignored");
if (type == OUT_REL2ADR)
realbytes = 2;
else if (type == OUT_REL4ADR)
realbytes = 4;
bsslen += realbytes;
return;
}
if (type == OUT_RESERVE) {
if (s) {
error(ERR_WARNING, "uninitialised space declared in"
" %s section: zeroing",
(segto == stext.index ? "code" : "data"));
as86_sect_write (s, NULL, realbytes);
as86_add_piece (s, 0, 0L, 0L, realbytes, 0);
} else
bsslen += realbytes;
} else if (type == OUT_RAWDATA) {
if (segment != NO_SEG)
error(ERR_PANIC, "OUT_RAWDATA with other than NO_SEG");
as86_sect_write (s, data, realbytes);
as86_add_piece (s, 0, 0L, 0L, realbytes, 0);
} else if (type == OUT_ADDRESS) {
if (segment != NO_SEG) {
if (segment % 2) {
error(ERR_NONFATAL, "as86 format does not support"
" segment base references");
} else{
offset = * (long *) data;
as86_add_piece (s, 1, offset, segment, realbytes, 0);
}
} else {
p = mydata;
WRITELONG (p, * (long *) data);
as86_sect_write (s, data, realbytes);
as86_add_piece (s, 0, 0L, 0L, realbytes, 0);
}
} else if (type == OUT_REL2ADR) {
if (segment == segto)
error(ERR_PANIC, "intra-segment OUT_REL2ADR");
if (segment != NO_SEG) {
if (segment % 2) {
error(ERR_NONFATAL, "as86 format does not support"
" segment base references");
} else {
offset = * (long *) data;
as86_add_piece (s, 1, offset-realbytes+2, segment, 2L, 1);
}
}
} else if (type == OUT_REL4ADR) {
if (segment == segto)
error(ERR_PANIC, "intra-segment OUT_REL4ADR");
if (segment != NO_SEG) {
if (segment % 2) {
error(ERR_NONFATAL, "as86 format does not support"
" segment base references");
} else {
offset = * (long *) data;
as86_add_piece (s, 1, offset-realbytes+4, segment, 4L, 1);
}
}
}
}