141 	struct elf32_phdr *phdr;  in elf_fdpic_fetch_phdrs()  local
161 	phdr = params->phdrs;  in elf_fdpic_fetch_phdrs()
162 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_fetch_phdrs()
163 		if (phdr->p_type != PT_GNU_STACK)  in elf_fdpic_fetch_phdrs()
166 		if (phdr->p_flags & PF_X)  in elf_fdpic_fetch_phdrs()
171 		params->stack_size = phdr->p_memsz;  in elf_fdpic_fetch_phdrs()
186 	struct elf_phdr *phdr;  in load_elf_fdpic_binary()  local
229 	phdr = exec_params.phdrs;  in load_elf_fdpic_binary()
231 	for (i = 0; i < exec_params.hdr.e_phnum; i++, phdr++) {  in load_elf_fdpic_binary()
232 		switch (phdr->p_type) {  in load_elf_fdpic_binary()
235 			if (phdr->p_filesz > PATH_MAX)  in load_elf_fdpic_binary()
238 			if (phdr->p_filesz < 2)  in load_elf_fdpic_binary()
242 			interpreter_name = kmalloc(phdr->p_filesz, GFP_KERNEL);  in load_elf_fdpic_binary()
246 			pos = phdr->p_offset;  in load_elf_fdpic_binary()
248 					     phdr->p_filesz, &pos);  in load_elf_fdpic_binary()
249 			if (unlikely(retval != phdr->p_filesz)) {  in load_elf_fdpic_binary()
256 			if (interpreter_name[phdr->p_filesz - 1] != '\0')  in load_elf_fdpic_binary()
291 				exec_params.load_addr = phdr->p_vaddr;  in load_elf_fdpic_binary()
738 	struct elf32_phdr *phdr;  in elf_fdpic_map_file()  local
800 	phdr = params->phdrs;  in elf_fdpic_map_file()
802 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file()
803 		if (phdr->p_type != PT_LOAD)  in elf_fdpic_map_file()
806 		if (phdr->p_offset > params->hdr.e_phoff ||  in elf_fdpic_map_file()
807 		    phdr->p_offset + phdr->p_filesz < stop)  in elf_fdpic_map_file()
812 			if (phdr->p_vaddr >= seg->p_vaddr &&  in elf_fdpic_map_file()
813 			    phdr->p_vaddr + phdr->p_filesz <=  in elf_fdpic_map_file()
816 					(phdr->p_vaddr - seg->p_vaddr) +  in elf_fdpic_map_file()
818 					params->hdr.e_phoff - phdr->p_offset;  in elf_fdpic_map_file()
826 	phdr = params->phdrs;  in elf_fdpic_map_file()
827 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file()
828 		if (phdr->p_type != PT_DYNAMIC)  in elf_fdpic_map_file()
833 			if (phdr->p_vaddr >= seg->p_vaddr &&  in elf_fdpic_map_file()
834 			    phdr->p_vaddr + phdr->p_memsz <=  in elf_fdpic_map_file()
840 					(phdr->p_vaddr - seg->p_vaddr) +  in elf_fdpic_map_file()
846 				if (phdr->p_memsz == 0 ||  in elf_fdpic_map_file()
847 				    phdr->p_memsz % sizeof(Elf32_Dyn) != 0)  in elf_fdpic_map_file()
850 				tmp = phdr->p_memsz / sizeof(Elf32_Dyn);  in elf_fdpic_map_file()
921 	struct elf32_phdr *phdr;  in elf_fdpic_map_file_constdisp_on_uclinux()  local
930 	phdr = params->phdrs;  in elf_fdpic_map_file_constdisp_on_uclinux()
931 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_constdisp_on_uclinux()
935 		if (base > phdr->p_vaddr)  in elf_fdpic_map_file_constdisp_on_uclinux()
936 			base = phdr->p_vaddr;  in elf_fdpic_map_file_constdisp_on_uclinux()
937 		if (top < phdr->p_vaddr + phdr->p_memsz)  in elf_fdpic_map_file_constdisp_on_uclinux()
938 			top = phdr->p_vaddr + phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
955 	phdr = params->phdrs;  in elf_fdpic_map_file_constdisp_on_uclinux()
956 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_constdisp_on_uclinux()
960 		seg->addr = maddr + (phdr->p_vaddr - base);  in elf_fdpic_map_file_constdisp_on_uclinux()
961 		seg->p_vaddr = phdr->p_vaddr;  in elf_fdpic_map_file_constdisp_on_uclinux()
962 		seg->p_memsz = phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
964 		ret = read_code(file, seg->addr, phdr->p_offset,  in elf_fdpic_map_file_constdisp_on_uclinux()
965 				       phdr->p_filesz);  in elf_fdpic_map_file_constdisp_on_uclinux()
970 		if (phdr->p_offset == 0)  in elf_fdpic_map_file_constdisp_on_uclinux()
974 		if (phdr->p_filesz < phdr->p_memsz) {  in elf_fdpic_map_file_constdisp_on_uclinux()
975 			if (clear_user((void *) (seg->addr + phdr->p_filesz),  in elf_fdpic_map_file_constdisp_on_uclinux()
976 				       phdr->p_memsz - phdr->p_filesz))  in elf_fdpic_map_file_constdisp_on_uclinux()
981 			if (phdr->p_flags & PF_X) {  in elf_fdpic_map_file_constdisp_on_uclinux()
985 						phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
989 				mm->end_data = seg->addr + phdr->p_memsz;  in elf_fdpic_map_file_constdisp_on_uclinux()
1009 	struct elf32_phdr *phdr;  in elf_fdpic_map_file_by_direct_mmap()  local
1020 	phdr = params->phdrs;  in elf_fdpic_map_file_by_direct_mmap()
1021 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_by_direct_mmap()
1025 		if (phdr->p_type != PT_LOAD)  in elf_fdpic_map_file_by_direct_mmap()
1029 		       (unsigned long) phdr->p_vaddr,  in elf_fdpic_map_file_by_direct_mmap()
1030 		       (unsigned long) phdr->p_offset,  in elf_fdpic_map_file_by_direct_mmap()
1031 		       (unsigned long) phdr->p_filesz,  in elf_fdpic_map_file_by_direct_mmap()
1032 		       (unsigned long) phdr->p_memsz);  in elf_fdpic_map_file_by_direct_mmap()
1035 		if (phdr->p_flags & PF_R) prot |= PROT_READ;  in elf_fdpic_map_file_by_direct_mmap()
1036 		if (phdr->p_flags & PF_W) prot |= PROT_WRITE;  in elf_fdpic_map_file_by_direct_mmap()
1037 		if (phdr->p_flags & PF_X) prot |= PROT_EXEC;  in elf_fdpic_map_file_by_direct_mmap()
1052 			maddr = phdr->p_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1063 				delta_vaddr = phdr->p_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1066 				maddr = load_addr + phdr->p_vaddr - delta_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1082 		disp = phdr->p_vaddr & ~PAGE_MASK;  in elf_fdpic_map_file_by_direct_mmap()
1083 		maddr = vm_mmap(file, maddr, phdr->p_memsz + disp, prot, flags,  in elf_fdpic_map_file_by_direct_mmap()
1084 				phdr->p_offset - disp);  in elf_fdpic_map_file_by_direct_mmap()
1087 		       loop, phdr->p_memsz + disp, prot, flags,  in elf_fdpic_map_file_by_direct_mmap()
1088 		       phdr->p_offset - disp, maddr);  in elf_fdpic_map_file_by_direct_mmap()
1095 			load_addr += PAGE_ALIGN(phdr->p_memsz + disp);  in elf_fdpic_map_file_by_direct_mmap()
1098 		seg->p_vaddr = phdr->p_vaddr;  in elf_fdpic_map_file_by_direct_mmap()
1099 		seg->p_memsz = phdr->p_memsz;  in elf_fdpic_map_file_by_direct_mmap()
1102 		if (phdr->p_offset == 0)  in elf_fdpic_map_file_by_direct_mmap()
1119 		excess = phdr->p_memsz - phdr->p_filesz;  in elf_fdpic_map_file_by_direct_mmap()
1120 		excess1 = PAGE_SIZE - ((maddr + phdr->p_filesz) & ~PAGE_MASK);  in elf_fdpic_map_file_by_direct_mmap()
1124 			unsigned long xaddr = maddr + phdr->p_filesz + excess1;  in elf_fdpic_map_file_by_direct_mmap()
1142 			       loop, maddr + phdr->p_filesz, excess1);  in elf_fdpic_map_file_by_direct_mmap()
1143 			if (clear_user((void __user *) maddr + phdr->p_filesz,  in elf_fdpic_map_file_by_direct_mmap()
1151 			       loop, maddr + phdr->p_filesz, excess);  in elf_fdpic_map_file_by_direct_mmap()
1152 			if (clear_user((void *) maddr + phdr->p_filesz, excess))  in elf_fdpic_map_file_by_direct_mmap()
1158 			if (phdr->p_flags & PF_X) {  in elf_fdpic_map_file_by_direct_mmap()
1161 					mm->end_code = maddr + phdr->p_memsz;  in elf_fdpic_map_file_by_direct_mmap()
1165 				mm->end_data = maddr + phdr->p_memsz;  in elf_fdpic_map_file_by_direct_mmap()
1315 static inline void fill_elf_note_phdr(struct elf_phdr *phdr, int sz, loff_t offset)  in fill_elf_note_phdr()  argument
1317 	phdr->p_type = PT_NOTE;  in fill_elf_note_phdr()
1318 	phdr->p_offset = offset;  in fill_elf_note_phdr()
1319 	phdr->p_vaddr = 0;  in fill_elf_note_phdr()
1320 	phdr->p_paddr = 0;  in fill_elf_note_phdr()
1321 	phdr->p_filesz = sz;  in fill_elf_note_phdr()
1322 	phdr->p_memsz = 0;  in fill_elf_note_phdr()
1323 	phdr->p_flags = 0;  in fill_elf_note_phdr()
1324 	phdr->p_align = 0;  in fill_elf_note_phdr()
1728 		struct elf_phdr phdr;  in elf_fdpic_core_dump()  local
1733 		phdr.p_type = PT_LOAD;  in elf_fdpic_core_dump()
1734 		phdr.p_offset = offset;  in elf_fdpic_core_dump()
1735 		phdr.p_vaddr = vma->vm_start;  in elf_fdpic_core_dump()
1736 		phdr.p_paddr = 0;  in elf_fdpic_core_dump()
1737 		phdr.p_filesz = maydump(vma, cprm->mm_flags) ? sz : 0;  in elf_fdpic_core_dump()
1738 		phdr.p_memsz = sz;  in elf_fdpic_core_dump()
1739 		offset += phdr.p_filesz;  in elf_fdpic_core_dump()
1740 		phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0;  in elf_fdpic_core_dump()
1742 			phdr.p_flags |= PF_W;  in elf_fdpic_core_dump()
1744 			phdr.p_flags |= PF_X;  in elf_fdpic_core_dump()
1745 		phdr.p_align = ELF_EXEC_PAGESIZE;  in elf_fdpic_core_dump()
1747 		if (!dump_emit(cprm, &phdr, sizeof(phdr)))  in elf_fdpic_core_dump()