libmuslc/ldso/dynlink.c

480 	Phdr *ph = dso->phdr;
484 	for (; phcnt--; ph=(void *)((char *)ph+dso->phentsize)) {
485 		if (ph->p_type!=PT_LOAD) continue;
486 		if ((ph->p_flags&(PF_R|PF_W))!=(PF_R|PF_W)) continue;
487 		reclaim(dso, ph->p_vaddr & -PAGE_SIZE, ph->p_vaddr);
488 		reclaim(dso, ph->p_vaddr+ph->p_memsz,
489 			ph->p_vaddr+ph->p_memsz+PAGE_SIZE-1 & -PAGE_SIZE);
547 	Phdr *ph, *ph0;
566 		ph = ph0 = allocated_buf;
571 		ph = ph0 = (void *)(buf + 1);
573 		ph = ph0 = (void *)((char *)buf + eh->e_phoff);
575 	for (i=eh->e_phnum; i; i--, ph=(void *)((char *)ph+eh->e_phentsize)) {
576 		if (ph->p_type == PT_DYNAMIC) {
577 			dyn = ph->p_vaddr;
578 		} else if (ph->p_type == PT_TLS) {
579 			tls_image = ph->p_vaddr;
580 			dso->tls.align = ph->p_align;
581 			dso->tls.len = ph->p_filesz;
582 			dso->tls.size = ph->p_memsz;
583 		} else if (ph->p_type == PT_GNU_RELRO) {
584 			dso->relro_start = ph->p_vaddr & -PAGE_SIZE;
585 			dso->relro_end = (ph->p_vaddr + ph->p_memsz) & -PAGE_SIZE;
587 		if (ph->p_type != PT_LOAD) continue;
589 		if (ph->p_vaddr < addr_min) {
590 			addr_min = ph->p_vaddr;
591 			off_start = ph->p_offset;
592 			prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) |
593 				((ph->p_flags&PF_W) ? PROT_WRITE: 0) |
594 				((ph->p_flags&PF_X) ? PROT_EXEC : 0));
596 		if (ph->p_vaddr+ph->p_memsz > addr_max) {
597 			addr_max = ph->p_vaddr+ph->p_memsz;
606 		for (ph=ph0, i=0; i<nsegs; ph=(void *)((char *)ph+eh->e_phentsize)) {
607 			if (ph->p_type != PT_LOAD) continue;
608 			prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) |
609 				((ph->p_flags&PF_W) ? PROT_WRITE: 0) |
610 				((ph->p_flags&PF_X) ? PROT_EXEC : 0));
611 			map = mmap(0, ph->p_memsz + (ph->p_vaddr & PAGE_SIZE-1),
613 				fd, ph->p_offset & -PAGE_SIZE);
619 				(ph->p_vaddr & PAGE_SIZE-1);
620 			dso->loadmap->segs[i].p_vaddr = ph->p_vaddr;
621 			dso->loadmap->segs[i].p_memsz = ph->p_memsz;
624 				size_t brk = (ph->p_vaddr & PAGE_SIZE-1)
625 					+ ph->p_filesz;
627 				size_t pgend = brk + ph->p_memsz - ph->p_filesz
667 	for (ph=ph0, i=eh->e_phnum; i; i--, ph=(void *)((char *)ph+eh->e_phentsize)) {
668 		if (ph->p_type != PT_LOAD) continue;
671 		if (!dso->phdr && eh->e_phoff >= ph->p_offset
672 		    && eh->e_phoff+phsize <= ph->p_offset+ph->p_filesz) {
673 			dso->phdr = (void *)(base + ph->p_vaddr
674 				+ (eh->e_phoff-ph->p_offset));
679 		if ((ph->p_vaddr & -PAGE_SIZE) == addr_min && !DL_NOMMU_SUPPORT)
681 		this_min = ph->p_vaddr & -PAGE_SIZE;
682 		this_max = ph->p_vaddr+ph->p_memsz+PAGE_SIZE-1 & -PAGE_SIZE;
683 		off_start = ph->p_offset & -PAGE_SIZE;
684 		prot = (((ph->p_flags&PF_R) ? PROT_READ : 0) |
685 			((ph->p_flags&PF_W) ? PROT_WRITE: 0) |
686 			((ph->p_flags&PF_X) ? PROT_EXEC : 0));
689 		if (ph->p_memsz > ph->p_filesz) {
690 			size_t brk = (size_t)base+ph->p_vaddr+ph->p_filesz;
1171 	Phdr *ph = p->phdr;
1172 	for (cnt = p->phnum; cnt--; ph = (void *)((char *)ph + p->phentsize)) {
1173 		if (ph->p_type == PT_DYNAMIC) {
1174 			p->dynv = laddr(p, ph->p_vaddr);
1175 		} else if (ph->p_type == PT_GNU_RELRO) {
1176 			p->relro_start = ph->p_vaddr & -PAGE_SIZE;
1177 			p->relro_end = (ph->p_vaddr + ph->p_memsz) & -PAGE_SIZE;
1179 		if (ph->p_type != PT_LOAD) continue;
1180 		if (ph->p_vaddr < min_addr)
1181 			min_addr = ph->p_vaddr;
1182 		if (ph->p_vaddr+ph->p_memsz > max_addr)
1183 			max_addr = ph->p_vaddr+ph->p_memsz;