linux-master/fs/binfmt_elf_fdpic.c

141 	struct elf_phdr *phdr;
161 	phdr = params->phdrs;
162 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {
163 		if (phdr->p_type != PT_GNU_STACK)
166 		if (phdr->p_flags & PF_X)
171 		params->stack_size = phdr->p_memsz;
186 	struct elf_phdr *phdr;
229 	phdr = exec_params.phdrs;
231 	for (i = 0; i < exec_params.hdr.e_phnum; i++, phdr++) {
232 		switch (phdr->p_type) {
235 			if (phdr->p_filesz > PATH_MAX)
238 			if (phdr->p_filesz < 2)
242 			interpreter_name = kmalloc(phdr->p_filesz, GFP_KERNEL);
246 			pos = phdr->p_offset;
248 					     phdr->p_filesz, &pos);
249 			if (unlikely(retval != phdr->p_filesz)) {
256 			if (interpreter_name[phdr->p_filesz - 1] != '\0')
291 				exec_params.load_addr = phdr->p_vaddr;
748 	struct elf_phdr *phdr;
805 	phdr = params->phdrs;
807 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {
808 		if (phdr->p_type != PT_LOAD)
811 		if (phdr->p_offset > params->hdr.e_phoff ||
812 		    phdr->p_offset + phdr->p_filesz < stop)
817 			if (phdr->p_vaddr >= seg->p_vaddr &&
818 			    phdr->p_vaddr + phdr->p_filesz <=
821 					(phdr->p_vaddr - seg->p_vaddr) +
823 					params->hdr.e_phoff - phdr->p_offset;
831 	phdr = params->phdrs;
832 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {
833 		if (phdr->p_type != PT_DYNAMIC)
838 			if (phdr->p_vaddr >= seg->p_vaddr &&
839 			    phdr->p_vaddr + phdr->p_memsz <=
845 					(phdr->p_vaddr - seg->p_vaddr) +
851 				if (phdr->p_memsz == 0 ||
852 				    phdr->p_memsz % sizeof(Elf_Dyn) != 0)
855 				tmp = phdr->p_memsz / sizeof(Elf_Dyn);
928 	struct elf_phdr *phdr;
937 	phdr = params->phdrs;
938 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {
942 		if (base > phdr->p_vaddr)
943 			base = phdr->p_vaddr;
944 		if (top < phdr->p_vaddr + phdr->p_memsz)
945 			top = phdr->p_vaddr + phdr->p_memsz;
958 	phdr = params->phdrs;
959 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {
963 		seg->addr = maddr + (phdr->p_vaddr - base);
964 		seg->p_vaddr = phdr->p_vaddr;
965 		seg->p_memsz = phdr->p_memsz;
967 		ret = read_code(file, seg->addr, phdr->p_offset,
968 				       phdr->p_filesz);
973 		if (phdr->p_offset == 0)
977 		if (phdr->p_filesz < phdr->p_memsz) {
978 			if (clear_user((void *) (seg->addr + phdr->p_filesz),
979 				       phdr->p_memsz - phdr->p_filesz))
984 			if (phdr->p_flags & PF_X) {
988 						phdr->p_memsz;
992 				mm->end_data = seg->addr + phdr->p_memsz;
1012 	struct elf_phdr *phdr;
1023 	phdr = params->phdrs;
1024 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {
1028 		if (phdr->p_type != PT_LOAD)
1032 		       (unsigned long) phdr->p_vaddr,
1033 		       (unsigned long) phdr->p_offset,
1034 		       (unsigned long) phdr->p_filesz,
1035 		       (unsigned long) phdr->p_memsz);
1038 		if (phdr->p_flags & PF_R) prot |= PROT_READ;
1039 		if (phdr->p_flags & PF_W) prot |= PROT_WRITE;
1040 		if (phdr->p_flags & PF_X) prot |= PROT_EXEC;
1052 			maddr = phdr->p_vaddr;
1063 				delta_vaddr = phdr->p_vaddr;
1066 				maddr = load_addr + phdr->p_vaddr - delta_vaddr;
1082 		disp = phdr->p_vaddr & ~PAGE_MASK;
1083 		maddr = vm_mmap(file, maddr, phdr->p_memsz + disp, prot, flags,
1084 				phdr->p_offset - disp);
1087 		       loop, (unsigned long long) phdr->p_memsz + disp,
1088 		       prot, flags, (unsigned long long) phdr->p_offset - disp,
1096 			load_addr += PAGE_ALIGN(phdr->p_memsz + disp);
1099 		seg->p_vaddr = phdr->p_vaddr;
1100 		seg->p_memsz = phdr->p_memsz;
1103 		if (phdr->p_offset == 0)
1120 		excess = phdr->p_memsz - phdr->p_filesz;
1121 		excess1 = PAGE_SIZE - ((maddr + phdr->p_filesz) & ~PAGE_MASK);
1125 			unsigned long xaddr = maddr + phdr->p_filesz + excess1;
1143 			       loop, maddr + phdr->p_filesz, excess1);
1144 			if (clear_user((void __user *) maddr + phdr->p_filesz,
1152 			       (unsigned long long) maddr + phdr->p_filesz,
1154 			if (clear_user((void *) maddr + phdr->p_filesz, excess))
1160 			if (phdr->p_flags & PF_X) {
1163 					mm->end_code = maddr + phdr->p_memsz;
1167 				mm->end_data = maddr + phdr->p_memsz;
1262 static inline void fill_elf_note_phdr(struct elf_phdr *phdr, int sz, loff_t offset)
1264 	phdr->p_type = PT_NOTE;
1265 	phdr->p_offset = offset;
1266 	phdr->p_vaddr = 0;
1267 	phdr->p_paddr = 0;
1268 	phdr->p_filesz = sz;
1269 	phdr->p_memsz = 0;
1270 	phdr->p_flags = 0;
1271 	phdr->p_align = 4;
1545 	/* Write notes phdr entry */
1578 		struct elf_phdr phdr;
1583 		phdr.p_type = PT_LOAD;
1584 		phdr.p_offset = offset;
1585 		phdr.p_vaddr = meta->start;
1586 		phdr.p_paddr = 0;
1587 		phdr.p_filesz = meta->dump_size;
1588 		phdr.p_memsz = sz;
1589 		offset += phdr.p_filesz;
1590 		phdr.p_flags = 0;
1592 			phdr.p_flags |= PF_R;
1594 			phdr.p_flags |= PF_W;
1596 			phdr.p_flags |= PF_X;
1597 		phdr.p_align = ELF_EXEC_PAGESIZE;
1599 		if (!dump_emit(cprm, &phdr, sizeof(phdr)))