C++ (Cpp) addaddrplus4 Examples

Example #1

File: data.c Project: hfeeki/golang

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;
		}
	}
}

Example #2

File: data.c Project: LEEWEN-DALIAN/golang

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);
		}
	}
}

Example #3

File: data.c Project: pipul/lab

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);
}