145 	struct elf32_phdr *phdr;  in elf_fdpic_fetch_phdrs()  local
165 	phdr = params->phdrs;  in elf_fdpic_fetch_phdrs()
166 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_fetch_phdrs()
167 		if (phdr->p_type != PT_GNU_STACK)  in elf_fdpic_fetch_phdrs()
170 		if (phdr->p_flags & PF_X)  in elf_fdpic_fetch_phdrs()
175 		params->stack_size = phdr->p_memsz;  in elf_fdpic_fetch_phdrs()
190 	struct elf_phdr *phdr;  in load_elf_fdpic_binary()  local
233 	phdr = exec_params.phdrs;  in load_elf_fdpic_binary()
235 	for (i = 0; i < exec_params.hdr.e_phnum; i++, phdr++) {  in load_elf_fdpic_binary()
236 		switch (phdr->p_type) {  in load_elf_fdpic_binary()
239 			if (phdr->p_filesz > PATH_MAX)  in load_elf_fdpic_binary()
242 			if (phdr->p_filesz < 2)  in load_elf_fdpic_binary()
246 			interpreter_name = kmalloc(phdr->p_filesz, GFP_KERNEL);  in load_elf_fdpic_binary()
250 			pos = phdr->p_offset;  in load_elf_fdpic_binary()
252 					     phdr->p_filesz, &pos);  in load_elf_fdpic_binary()
253 			if (unlikely(retval != phdr->p_filesz)) {  in load_elf_fdpic_binary()
260 			if (interpreter_name[phdr->p_filesz - 1] != '\0')  in load_elf_fdpic_binary()
295 				exec_params.load_addr = phdr->p_vaddr;  in load_elf_fdpic_binary()
742 	struct elf32_phdr *phdr;  in elf_fdpic_map_file()  local
804 	phdr = params->phdrs;  in elf_fdpic_map_file()
806 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file()
807 		if (phdr->p_type != PT_LOAD)  in elf_fdpic_map_file()
810 		if (phdr->p_offset > params->hdr.e_phoff ||  in elf_fdpic_map_file()
811 		    phdr->p_offset + phdr->p_filesz < stop)  in elf_fdpic_map_file()
816 			if (phdr->p_vaddr >= seg->p_vaddr &&  in elf_fdpic_map_file()
817 			    phdr->p_vaddr + phdr->p_filesz <=  in elf_fdpic_map_file()
820 					(phdr->p_vaddr - seg->p_vaddr) +  in elf_fdpic_map_file()
822 					params->hdr.e_phoff - phdr->p_offset;  in elf_fdpic_map_file()
830 	phdr = params->phdrs;  in elf_fdpic_map_file()
831 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file()
832 		if (phdr->p_type != PT_DYNAMIC)  in elf_fdpic_map_file()
837 			if (phdr->p_vaddr >= seg->p_vaddr &&  in elf_fdpic_map_file()
838 			    phdr->p_vaddr + phdr->p_memsz <=  in elf_fdpic_map_file()
844 					(phdr->p_vaddr - seg->p_vaddr) +  in elf_fdpic_map_file()
850 				if (phdr->p_memsz == 0 ||  in elf_fdpic_map_file()
851 				    phdr->p_memsz % sizeof(Elf32_Dyn) != 0)  in elf_fdpic_map_file()
854 				tmp = phdr->p_memsz / sizeof(Elf32_Dyn);  in elf_fdpic_map_file()
925 	struct elf32_phdr *phdr;  in elf_fdpic_map_file_constdisp_on_uclinux()  local
934 	phdr = params->phdrs;  in elf_fdpic_map_file_constdisp_on_uclinux()
935 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_constdisp_on_uclinux()
939 		if (base > phdr->p_vaddr)  in elf_fdpic_map_file_constdisp_on_uclinux()
940 			base = phdr->p_vaddr;  in elf_fdpic_map_file_constdisp_on_uclinux()
941 		if (top < phdr->p_vaddr + phdr->p_memsz)  in elf_fdpic_map_file_constdisp_on_uclinux()
942 			top = phdr->p_vaddr + phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
959 	phdr = params->phdrs;  in elf_fdpic_map_file_constdisp_on_uclinux()
960 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_constdisp_on_uclinux()
964 		seg->addr = maddr + (phdr->p_vaddr - base);  in elf_fdpic_map_file_constdisp_on_uclinux()
965 		seg->p_vaddr = phdr->p_vaddr;  in elf_fdpic_map_file_constdisp_on_uclinux()
966 		seg->p_memsz = phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
968 		ret = read_code(file, seg->addr, phdr->p_offset,  in elf_fdpic_map_file_constdisp_on_uclinux()
969 				       phdr->p_filesz);  in elf_fdpic_map_file_constdisp_on_uclinux()
974 		if (phdr->p_offset == 0)  in elf_fdpic_map_file_constdisp_on_uclinux()
978 		if (phdr->p_filesz < phdr->p_memsz) {  in elf_fdpic_map_file_constdisp_on_uclinux()
979 			if (clear_user((void *) (seg->addr + phdr->p_filesz),  in elf_fdpic_map_file_constdisp_on_uclinux()
980 				       phdr->p_memsz - phdr->p_filesz))  in elf_fdpic_map_file_constdisp_on_uclinux()
985 			if (phdr->p_flags & PF_X) {  in elf_fdpic_map_file_constdisp_on_uclinux()
989 						phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
993 				mm->end_data = seg->addr + phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
1013 	struct elf32_phdr *phdr;  in elf_fdpic_map_file_by_direct_mmap()  local
1024 	phdr = params->phdrs;  in elf_fdpic_map_file_by_direct_mmap()
1025 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_by_direct_mmap()
1029 		if (phdr->p_type != PT_LOAD)  in elf_fdpic_map_file_by_direct_mmap()
1033 		       (unsigned long) phdr->p_vaddr,  in elf_fdpic_map_file_by_direct_mmap()
1034 		       (unsigned long) phdr->p_offset,  in elf_fdpic_map_file_by_direct_mmap()
1035 		       (unsigned long) phdr->p_filesz,  in elf_fdpic_map_file_by_direct_mmap()
1036 		       (unsigned long) phdr->p_memsz);  in elf_fdpic_map_file_by_direct_mmap()
1039 		if (phdr->p_flags & PF_R) prot |= PROT_READ;  in elf_fdpic_map_file_by_direct_mmap()
1040 		if (phdr->p_flags & PF_W) prot |= PROT_WRITE;  in elf_fdpic_map_file_by_direct_mmap()
1041 		if (phdr->p_flags & PF_X) prot |= PROT_EXEC;  in elf_fdpic_map_file_by_direct_mmap()
1056 			maddr = phdr->p_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1067 				delta_vaddr = phdr->p_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1070 				maddr = load_addr + phdr->p_vaddr - delta_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1086 		disp = phdr->p_vaddr & ~PAGE_MASK;  in elf_fdpic_map_file_by_direct_mmap()
1087 		maddr = vm_mmap(file, maddr, phdr->p_memsz + disp, prot, flags,  in elf_fdpic_map_file_by_direct_mmap()
1088 				phdr->p_offset - disp);  in elf_fdpic_map_file_by_direct_mmap()
1091 		       loop, phdr->p_memsz + disp, prot, flags,  in elf_fdpic_map_file_by_direct_mmap()
1092 		       phdr->p_offset - disp, maddr);  in elf_fdpic_map_file_by_direct_mmap()
1099 			load_addr += PAGE_ALIGN(phdr->p_memsz + disp);  in elf_fdpic_map_file_by_direct_mmap()
1102 		seg->p_vaddr = phdr->p_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1103 		seg->p_memsz = phdr->p_memsz;  in elf_fdpic_map_file_by_direct_mmap()
1106 		if (phdr->p_offset == 0)  in elf_fdpic_map_file_by_direct_mmap()
1123 		excess = phdr->p_memsz - phdr->p_filesz;  in elf_fdpic_map_file_by_direct_mmap()
1124 		excess1 = PAGE_SIZE - ((maddr + phdr->p_filesz) & ~PAGE_MASK);  in elf_fdpic_map_file_by_direct_mmap()
1128 			unsigned long xaddr = maddr + phdr->p_filesz + excess1;  in elf_fdpic_map_file_by_direct_mmap()
1146 			       loop, maddr + phdr->p_filesz, excess1);  in elf_fdpic_map_file_by_direct_mmap()
1147 			if (clear_user((void __user *) maddr + phdr->p_filesz,  in elf_fdpic_map_file_by_direct_mmap()
1155 			       loop, maddr + phdr->p_filesz, excess);  in elf_fdpic_map_file_by_direct_mmap()
1156 			if (clear_user((void *) maddr + phdr->p_filesz, excess))  in elf_fdpic_map_file_by_direct_mmap()
1162 			if (phdr->p_flags & PF_X) {  in elf_fdpic_map_file_by_direct_mmap()
1165 					mm->end_code = maddr + phdr->p_memsz;  in elf_fdpic_map_file_by_direct_mmap()
1169 				mm->end_data = maddr + phdr->p_memsz;  in elf_fdpic_map_file_by_direct_mmap()
1319 static inline void fill_elf_note_phdr(struct elf_phdr *phdr, int sz, loff_t offset)  in fill_elf_note_phdr()  argument
1321 	phdr->p_type = PT_NOTE;  in fill_elf_note_phdr()
1322 	phdr->p_offset = offset;  in fill_elf_note_phdr()
1323 	phdr->p_vaddr = 0;  in fill_elf_note_phdr()
1324 	phdr->p_paddr = 0;  in fill_elf_note_phdr()
1325 	phdr->p_filesz = sz;  in fill_elf_note_phdr()
1326 	phdr->p_memsz = 0;  in fill_elf_note_phdr()
1327 	phdr->p_flags = 0;  in fill_elf_note_phdr()
1328 	phdr->p_align = 0;  in fill_elf_note_phdr()
1732 		struct elf_phdr phdr;  in elf_fdpic_core_dump()  local
1737 		phdr.p_type = PT_LOAD;  in elf_fdpic_core_dump()
1738 		phdr.p_offset = offset;  in elf_fdpic_core_dump()
1739 		phdr.p_vaddr = vma->vm_start;  in elf_fdpic_core_dump()
1740 		phdr.p_paddr = 0;  in elf_fdpic_core_dump()
1741 		phdr.p_filesz = maydump(vma, cprm->mm_flags) ? sz : 0;  in elf_fdpic_core_dump()
1742 		phdr.p_memsz = sz;  in elf_fdpic_core_dump()
1743 		offset += phdr.p_filesz;  in elf_fdpic_core_dump()
1744 		phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0;  in elf_fdpic_core_dump()
1746 			phdr.p_flags |= PF_W;  in elf_fdpic_core_dump()
1748 			phdr.p_flags |= PF_X;  in elf_fdpic_core_dump()
1749 		phdr.p_align = ELF_EXEC_PAGESIZE;  in elf_fdpic_core_dump()
1751 		if (!dump_emit(cprm, &phdr, sizeof(phdr)))  in elf_fdpic_core_dump()