void
dynrelocsym(Sym *s)
{
Reloc *r;
Sym *rel;
Sym *got;
if(HEADTYPE == Hwindows) {
Sym *rel, *targ;
rel = lookup(".rel", 0);
if(s == rel)
return;
for(r=s->r; r<s->r+s->nr; r++) {
targ = r->sym;
if(r->sym->plt == -2 && r->sym->got != -2) { // make dynimport JMP table for PE object files.
targ->plt = rel->size;
r->sym = rel;
r->add = targ->plt;
// jmp *addr
if(thechar == '8') {
adduint8(rel, 0xff);
adduint8(rel, 0x25);
addaddr(rel, targ);
adduint8(rel, 0x90);
adduint8(rel, 0x90);
} else {
adduint8(rel, 0xff);
adduint8(rel, 0x24);
adduint8(rel, 0x25);
addaddrplus4(rel, targ, 0);
adduint8(rel, 0x90);
}
} else if(r->sym->plt >= 0) {
r->sym = rel;
r->add = targ->plt;
}
}
return;
}
got = rel = nil;
if(flag_shared) {
rel = lookuprel();
got = lookup(".got", 0);
}
s->rel_ro = 0;
for(r=s->r; r<s->r+s->nr; r++) {
if(r->sym != S && r->sym->type == SDYNIMPORT || r->type >= 256)
adddynrel(s, r);
if(flag_shared && r->sym != S && s->type != SDYNIMPORT && r->type == D_ADDR
&& (s == got || s->type == SDATA || s->type == SGOSTRING || s->type == STYPE || s->type == SRODATA)) {
// Create address based RELATIVE relocation
adddynrela(rel, s, r);
if(s->type < SNOPTRDATA)
s->rel_ro = 1;
}
}
}
void
dynrelocsym(LSym *s)
{
Reloc *r;
if(HEADTYPE == Hwindows) {
LSym *rel, *targ;
rel = linklookup(ctxt, ".rel", 0);
if(s == rel)
return;
for(r=s->r; r<s->r+s->nr; r++) {
targ = r->sym;
if(targ == nil)
continue;
if(!targ->reachable)
diag("internal inconsistency: dynamic symbol %s is not reachable.", targ->name);
if(r->sym->plt == -2 && r->sym->got != -2) { // make dynimport JMP table for PE object files.
targ->plt = rel->size;
r->sym = rel;
r->add = targ->plt;
// jmp *addr
if(thechar == '8') {
adduint8(ctxt, rel, 0xff);
adduint8(ctxt, rel, 0x25);
addaddr(ctxt, rel, targ);
adduint8(ctxt, rel, 0x90);
adduint8(ctxt, rel, 0x90);
} else {
adduint8(ctxt, rel, 0xff);
adduint8(ctxt, rel, 0x24);
adduint8(ctxt, rel, 0x25);
addaddrplus4(ctxt, rel, targ, 0);
adduint8(ctxt, rel, 0x90);
}
} else if(r->sym->plt >= 0) {
r->sym = rel;
r->add = targ->plt;
}
}
return;
}
for(r=s->r; r<s->r+s->nr; r++) {
if(r->sym != S && r->sym->type == SDYNIMPORT || r->type >= 256) {
if(r->sym != S && !r->sym->reachable)
diag("internal inconsistency: dynamic symbol %s is not reachable.", r->sym->name);
adddynrel(s, r);
}
}
}
void
dynrelocsym(Sym *s)
{
Reloc *r;
if(HEADTYPE == Hwindows) {
Sym *rel, *targ;
rel = lookup(".rel", 0);
if(s == rel)
return;
for(r=s->r; r<s->r+s->nr; r++) {
targ = r->sym;
if(r->sym->plt == -2 && r->sym->got != -2) { // make dynimport JMP table for PE object files.
targ->plt = rel->size;
r->sym = rel;
r->add = targ->plt;
// jmp *addr
if(thechar == '8') {
adduint8(rel, 0xff);
adduint8(rel, 0x25);
addaddr(rel, targ);
adduint8(rel, 0x90);
adduint8(rel, 0x90);
} else {
adduint8(rel, 0xff);
adduint8(rel, 0x24);
adduint8(rel, 0x25);
addaddrplus4(rel, targ, 0);
adduint8(rel, 0x90);
}
} else if(r->sym->plt >= 0) {
r->sym = rel;
r->add = targ->plt;
}
}
return;
}
for(r=s->r; r<s->r+s->nr; r++)
if(r->sym->type == SDYNIMPORT || r->type >= 256)
adddynrel(s, r);
}