126 	struct elf32_phdr *phdr;  in elf_fdpic_fetch_phdrs()  local
146 	phdr = params->phdrs;  in elf_fdpic_fetch_phdrs()
147 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_fetch_phdrs()
148 		if (phdr->p_type != PT_GNU_STACK)  in elf_fdpic_fetch_phdrs()
151 		if (phdr->p_flags & PF_X)  in elf_fdpic_fetch_phdrs()
156 		params->stack_size = phdr->p_memsz;  in elf_fdpic_fetch_phdrs()
171 	struct elf_phdr *phdr;  in load_elf_fdpic_binary()  local
203 	phdr = exec_params.phdrs;  in load_elf_fdpic_binary()
205 	for (i = 0; i < exec_params.hdr.e_phnum; i++, phdr++) {  in load_elf_fdpic_binary()
206 		switch (phdr->p_type) {  in load_elf_fdpic_binary()
209 			if (phdr->p_filesz > PATH_MAX)  in load_elf_fdpic_binary()
212 			if (phdr->p_filesz < 2)  in load_elf_fdpic_binary()
216 			interpreter_name = kmalloc(phdr->p_filesz, GFP_KERNEL);  in load_elf_fdpic_binary()
221 					     phdr->p_offset,  in load_elf_fdpic_binary()
223 					     phdr->p_filesz);  in load_elf_fdpic_binary()
224 			if (unlikely(retval != phdr->p_filesz)) {  in load_elf_fdpic_binary()
231 			if (interpreter_name[phdr->p_filesz - 1] != '\0')  in load_elf_fdpic_binary()
265 				exec_params.load_addr = phdr->p_vaddr;  in load_elf_fdpic_binary()
740 	struct elf32_phdr *phdr;  in elf_fdpic_map_file()  local
802 	phdr = params->phdrs;  in elf_fdpic_map_file()
804 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file()
805 		if (phdr->p_type != PT_LOAD)  in elf_fdpic_map_file()
808 		if (phdr->p_offset > params->hdr.e_phoff ||  in elf_fdpic_map_file()
809 		    phdr->p_offset + phdr->p_filesz < stop)  in elf_fdpic_map_file()
814 			if (phdr->p_vaddr >= seg->p_vaddr &&  in elf_fdpic_map_file()
815 			    phdr->p_vaddr + phdr->p_filesz <=  in elf_fdpic_map_file()
818 					(phdr->p_vaddr - seg->p_vaddr) +  in elf_fdpic_map_file()
820 					params->hdr.e_phoff - phdr->p_offset;  in elf_fdpic_map_file()
828 	phdr = params->phdrs;  in elf_fdpic_map_file()
829 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file()
830 		if (phdr->p_type != PT_DYNAMIC)  in elf_fdpic_map_file()
835 			if (phdr->p_vaddr >= seg->p_vaddr &&  in elf_fdpic_map_file()
836 			    phdr->p_vaddr + phdr->p_memsz <=  in elf_fdpic_map_file()
839 					(phdr->p_vaddr - seg->p_vaddr) +  in elf_fdpic_map_file()
845 				if (phdr->p_memsz == 0 ||  in elf_fdpic_map_file()
846 				    phdr->p_memsz % sizeof(Elf32_Dyn) != 0)  in elf_fdpic_map_file()
849 				tmp = phdr->p_memsz / sizeof(Elf32_Dyn);  in elf_fdpic_map_file()
919 	struct elf32_phdr *phdr;  in elf_fdpic_map_file_constdisp_on_uclinux()  local
928 	phdr = params->phdrs;  in elf_fdpic_map_file_constdisp_on_uclinux()
929 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_constdisp_on_uclinux()
933 		if (base > phdr->p_vaddr)  in elf_fdpic_map_file_constdisp_on_uclinux()
934 			base = phdr->p_vaddr;  in elf_fdpic_map_file_constdisp_on_uclinux()
935 		if (top < phdr->p_vaddr + phdr->p_memsz)  in elf_fdpic_map_file_constdisp_on_uclinux()
936 			top = phdr->p_vaddr + phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
953 	phdr = params->phdrs;  in elf_fdpic_map_file_constdisp_on_uclinux()
954 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_constdisp_on_uclinux()
958 		seg->addr = maddr + (phdr->p_vaddr - base);  in elf_fdpic_map_file_constdisp_on_uclinux()
959 		seg->p_vaddr = phdr->p_vaddr;  in elf_fdpic_map_file_constdisp_on_uclinux()
960 		seg->p_memsz = phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
962 		ret = read_code(file, seg->addr, phdr->p_offset,  in elf_fdpic_map_file_constdisp_on_uclinux()
963 				       phdr->p_filesz);  in elf_fdpic_map_file_constdisp_on_uclinux()
968 		if (phdr->p_offset == 0)  in elf_fdpic_map_file_constdisp_on_uclinux()
972 		if (phdr->p_filesz < phdr->p_memsz) {  in elf_fdpic_map_file_constdisp_on_uclinux()
973 			if (clear_user((void *) (seg->addr + phdr->p_filesz),  in elf_fdpic_map_file_constdisp_on_uclinux()
974 				       phdr->p_memsz - phdr->p_filesz))  in elf_fdpic_map_file_constdisp_on_uclinux()
979 			if (phdr->p_flags & PF_X) {  in elf_fdpic_map_file_constdisp_on_uclinux()
983 						phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
987 				mm->end_data = seg->addr + phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
1007 	struct elf32_phdr *phdr;  in elf_fdpic_map_file_by_direct_mmap()  local
1018 	phdr = params->phdrs;  in elf_fdpic_map_file_by_direct_mmap()
1019 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_by_direct_mmap()
1023 		if (phdr->p_type != PT_LOAD)  in elf_fdpic_map_file_by_direct_mmap()
1027 		       (unsigned long) phdr->p_vaddr,  in elf_fdpic_map_file_by_direct_mmap()
1028 		       (unsigned long) phdr->p_offset,  in elf_fdpic_map_file_by_direct_mmap()
1029 		       (unsigned long) phdr->p_filesz,  in elf_fdpic_map_file_by_direct_mmap()
1030 		       (unsigned long) phdr->p_memsz);  in elf_fdpic_map_file_by_direct_mmap()
1033 		if (phdr->p_flags & PF_R) prot |= PROT_READ;  in elf_fdpic_map_file_by_direct_mmap()
1034 		if (phdr->p_flags & PF_W) prot |= PROT_WRITE;  in elf_fdpic_map_file_by_direct_mmap()
1035 		if (phdr->p_flags & PF_X) prot |= PROT_EXEC;  in elf_fdpic_map_file_by_direct_mmap()
1050 			maddr = phdr->p_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1061 				delta_vaddr = phdr->p_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1064 				maddr = load_addr + phdr->p_vaddr - delta_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1080 		disp = phdr->p_vaddr & ~PAGE_MASK;  in elf_fdpic_map_file_by_direct_mmap()
1081 		maddr = vm_mmap(file, maddr, phdr->p_memsz + disp, prot, flags,  in elf_fdpic_map_file_by_direct_mmap()
1082 				phdr->p_offset - disp);  in elf_fdpic_map_file_by_direct_mmap()
1085 		       loop, phdr->p_memsz + disp, prot, flags,  in elf_fdpic_map_file_by_direct_mmap()
1086 		       phdr->p_offset - disp, maddr);  in elf_fdpic_map_file_by_direct_mmap()
1093 			load_addr += PAGE_ALIGN(phdr->p_memsz + disp);  in elf_fdpic_map_file_by_direct_mmap()
1096 		seg->p_vaddr = phdr->p_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1097 		seg->p_memsz = phdr->p_memsz;  in elf_fdpic_map_file_by_direct_mmap()
1100 		if (phdr->p_offset == 0)  in elf_fdpic_map_file_by_direct_mmap()
1117 		excess = phdr->p_memsz - phdr->p_filesz;  in elf_fdpic_map_file_by_direct_mmap()
1118 		excess1 = PAGE_SIZE - ((maddr + phdr->p_filesz) & ~PAGE_MASK);  in elf_fdpic_map_file_by_direct_mmap()
1122 			unsigned long xaddr = maddr + phdr->p_filesz + excess1;  in elf_fdpic_map_file_by_direct_mmap()
1140 			       loop, maddr + phdr->p_filesz, excess1);  in elf_fdpic_map_file_by_direct_mmap()
1141 			if (clear_user((void __user *) maddr + phdr->p_filesz,  in elf_fdpic_map_file_by_direct_mmap()
1149 			       loop, maddr + phdr->p_filesz, excess);  in elf_fdpic_map_file_by_direct_mmap()
1150 			if (clear_user((void *) maddr + phdr->p_filesz, excess))  in elf_fdpic_map_file_by_direct_mmap()
1156 			if (phdr->p_flags & PF_X) {  in elf_fdpic_map_file_by_direct_mmap()
1159 					mm->end_code = maddr + phdr->p_memsz;  in elf_fdpic_map_file_by_direct_mmap()
1163 				mm->end_data = maddr + phdr->p_memsz;  in elf_fdpic_map_file_by_direct_mmap()
1299 static inline void fill_elf_note_phdr(struct elf_phdr *phdr, int sz, loff_t offset)  in fill_elf_note_phdr()  argument
1301 	phdr->p_type = PT_NOTE;  in fill_elf_note_phdr()
1302 	phdr->p_offset = offset;  in fill_elf_note_phdr()
1303 	phdr->p_vaddr = 0;  in fill_elf_note_phdr()
1304 	phdr->p_paddr = 0;  in fill_elf_note_phdr()
1305 	phdr->p_filesz = sz;  in fill_elf_note_phdr()
1306 	phdr->p_memsz = 0;  in fill_elf_note_phdr()
1307 	phdr->p_flags = 0;  in fill_elf_note_phdr()
1308 	phdr->p_align = 0;  in fill_elf_note_phdr()
1709 		struct elf_phdr phdr;  in elf_fdpic_core_dump()  local
1714 		phdr.p_type = PT_LOAD;  in elf_fdpic_core_dump()
1715 		phdr.p_offset = offset;  in elf_fdpic_core_dump()
1716 		phdr.p_vaddr = vma->vm_start;  in elf_fdpic_core_dump()
1717 		phdr.p_paddr = 0;  in elf_fdpic_core_dump()
1718 		phdr.p_filesz = maydump(vma, cprm->mm_flags) ? sz : 0;  in elf_fdpic_core_dump()
1719 		phdr.p_memsz = sz;  in elf_fdpic_core_dump()
1720 		offset += phdr.p_filesz;  in elf_fdpic_core_dump()
1721 		phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0;  in elf_fdpic_core_dump()
1723 			phdr.p_flags |= PF_W;  in elf_fdpic_core_dump()
1725 			phdr.p_flags |= PF_X;  in elf_fdpic_core_dump()
1726 		phdr.p_align = ELF_EXEC_PAGESIZE;  in elf_fdpic_core_dump()
1728 		if (!dump_emit(cprm, &phdr, sizeof(phdr)))  in elf_fdpic_core_dump()