138 static int elf_fdpic_fetch_phdrs(struct elf_fdpic_params *params,  in elf_fdpic_fetch_phdrs()  argument
144 	loff_t pos = params->hdr.e_phoff;  in elf_fdpic_fetch_phdrs()
146 	if (params->hdr.e_phentsize != sizeof(struct elf_phdr))  in elf_fdpic_fetch_phdrs()
148 	if (params->hdr.e_phnum > 65536U / sizeof(struct elf_phdr))  in elf_fdpic_fetch_phdrs()
151 	size = params->hdr.e_phnum * sizeof(struct elf_phdr);  in elf_fdpic_fetch_phdrs()
152 	params->phdrs = kmalloc(size, GFP_KERNEL);  in elf_fdpic_fetch_phdrs()
153 	if (!params->phdrs)  in elf_fdpic_fetch_phdrs()
156 	retval = kernel_read(file, params->phdrs, size, &pos);  in elf_fdpic_fetch_phdrs()
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()
167 			params->flags |= ELF_FDPIC_FLAG_EXEC_STACK;  in elf_fdpic_fetch_phdrs()
169 			params->flags |= ELF_FDPIC_FLAG_NOEXEC_STACK;  in elf_fdpic_fetch_phdrs()
171 		params->stack_size = phdr->p_memsz;  in elf_fdpic_fetch_phdrs()
728 static int elf_fdpic_map_file(struct elf_fdpic_params *params,  in elf_fdpic_map_file()  argument
746 	for (loop = 0; loop < params->hdr.e_phnum; loop++)  in elf_fdpic_map_file()
747 		if (params->phdrs[loop].p_type == PT_LOAD)  in elf_fdpic_map_file()
758 	params->loadmap = loadmap;  in elf_fdpic_map_file()
763 	load_addr = params->load_addr;  in elf_fdpic_map_file()
767 	switch (params->flags & ELF_FDPIC_FLAG_ARRANGEMENT) {  in elf_fdpic_map_file()
771 		ret = elf_fdpic_map_file_constdisp_on_uclinux(params, file, mm);  in elf_fdpic_map_file()
777 		ret = elf_fdpic_map_file_by_direct_mmap(params, file, mm);  in elf_fdpic_map_file()
784 	if (params->hdr.e_entry) {  in elf_fdpic_map_file()
787 			if (params->hdr.e_entry >= seg->p_vaddr &&  in elf_fdpic_map_file()
788 			    params->hdr.e_entry < seg->p_vaddr + seg->p_memsz) {  in elf_fdpic_map_file()
789 				params->entry_addr =  in elf_fdpic_map_file()
790 					(params->hdr.e_entry - seg->p_vaddr) +  in elf_fdpic_map_file()
798 	stop = params->hdr.e_phoff;  in elf_fdpic_map_file()
799 	stop += params->hdr.e_phnum * sizeof (struct elf_phdr);  in elf_fdpic_map_file()
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()
806 		if (phdr->p_offset > params->hdr.e_phoff ||  in elf_fdpic_map_file()
815 				params->ph_addr =  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()
839 				params->dynamic_addr =  in elf_fdpic_map_file()
851 				dyn = (Elf32_Dyn __user *)params->dynamic_addr;  in elf_fdpic_map_file()
891 	kdebug("- elfhdr   : %lx", params->elfhdr_addr);  in elf_fdpic_map_file()
892 	kdebug("- entry    : %lx", params->entry_addr);  in elf_fdpic_map_file()
893 	kdebug("- PHDR[]   : %lx", params->ph_addr);  in elf_fdpic_map_file()
894 	kdebug("- DYNAMIC[]: %lx", params->dynamic_addr);  in elf_fdpic_map_file()
916 	struct elf_fdpic_params *params,  in elf_fdpic_map_file_constdisp_on_uclinux()  argument
925 	load_addr = params->load_addr;  in elf_fdpic_map_file_constdisp_on_uclinux()
926 	seg = params->loadmap->segs;  in elf_fdpic_map_file_constdisp_on_uclinux()
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()
932 		if (params->phdrs[loop].p_type != PT_LOAD)  in elf_fdpic_map_file_constdisp_on_uclinux()
943 	if (params->flags & ELF_FDPIC_FLAG_EXECUTABLE)  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()
957 		if (params->phdrs[loop].p_type != PT_LOAD)  in elf_fdpic_map_file_constdisp_on_uclinux()
971 			params->elfhdr_addr = seg->addr;  in elf_fdpic_map_file_constdisp_on_uclinux()
1004 static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params,  in elf_fdpic_map_file_by_direct_mmap()  argument
1013 	load_addr = params->load_addr;  in elf_fdpic_map_file_by_direct_mmap()
1017 	seg = params->loadmap->segs;  in elf_fdpic_map_file_by_direct_mmap()
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()
1040 		if (params->flags & ELF_FDPIC_FLAG_EXECUTABLE)  in elf_fdpic_map_file_by_direct_mmap()
1045 		switch (params->flags & ELF_FDPIC_FLAG_ARRANGEMENT) {  in elf_fdpic_map_file_by_direct_mmap()
1093 		if ((params->flags & ELF_FDPIC_FLAG_ARRANGEMENT) ==  in elf_fdpic_map_file_by_direct_mmap()
1103 			params->elfhdr_addr = seg->addr;  in elf_fdpic_map_file_by_direct_mmap()