141 static int elf_fdpic_fetch_phdrs(struct elf_fdpic_params *params,  in elf_fdpic_fetch_phdrs()  argument
148 	if (params->hdr.e_phentsize != sizeof(struct elf_phdr))  in elf_fdpic_fetch_phdrs()
150 	if (params->hdr.e_phnum > 65536U / sizeof(struct elf_phdr))  in elf_fdpic_fetch_phdrs()
153 	size = params->hdr.e_phnum * sizeof(struct elf_phdr);  in elf_fdpic_fetch_phdrs()
154 	params->phdrs = kmalloc(size, GFP_KERNEL);  in elf_fdpic_fetch_phdrs()
155 	if (!params->phdrs)  in elf_fdpic_fetch_phdrs()
158 	retval = kernel_read(file, params->hdr.e_phoff,  in elf_fdpic_fetch_phdrs()
159 			     (char *) params->phdrs, size);  in elf_fdpic_fetch_phdrs()
164 	phdr = params->phdrs;  in elf_fdpic_fetch_phdrs()
165 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_fetch_phdrs()
170 			params->flags |= ELF_FDPIC_FLAG_EXEC_STACK;  in elf_fdpic_fetch_phdrs()
172 			params->flags |= ELF_FDPIC_FLAG_NOEXEC_STACK;  in elf_fdpic_fetch_phdrs()
174 		params->stack_size = phdr->p_memsz;  in elf_fdpic_fetch_phdrs()
756 static int elf_fdpic_map_file(struct elf_fdpic_params *params,  in elf_fdpic_map_file()  argument
774 	for (loop = 0; loop < params->hdr.e_phnum; loop++)  in elf_fdpic_map_file()
775 		if (params->phdrs[loop].p_type == PT_LOAD)  in elf_fdpic_map_file()
786 	params->loadmap = loadmap;  in elf_fdpic_map_file()
791 	load_addr = params->load_addr;  in elf_fdpic_map_file()
795 	switch (params->flags & ELF_FDPIC_FLAG_ARRANGEMENT) {  in elf_fdpic_map_file()
799 		ret = elf_fdpic_map_file_constdisp_on_uclinux(params, file, mm);  in elf_fdpic_map_file()
805 		ret = elf_fdpic_map_file_by_direct_mmap(params, file, mm);  in elf_fdpic_map_file()
812 	if (params->hdr.e_entry) {  in elf_fdpic_map_file()
815 			if (params->hdr.e_entry >= seg->p_vaddr &&  in elf_fdpic_map_file()
816 			    params->hdr.e_entry < seg->p_vaddr + seg->p_memsz) {  in elf_fdpic_map_file()
817 				params->entry_addr =  in elf_fdpic_map_file()
818 					(params->hdr.e_entry - seg->p_vaddr) +  in elf_fdpic_map_file()
826 	stop = params->hdr.e_phoff;  in elf_fdpic_map_file()
827 	stop += params->hdr.e_phnum * sizeof (struct elf_phdr);  in elf_fdpic_map_file()
828 	phdr = params->phdrs;  in elf_fdpic_map_file()
830 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file()
834 		if (phdr->p_offset > params->hdr.e_phoff ||  in elf_fdpic_map_file()
843 				params->ph_addr =  in elf_fdpic_map_file()
846 					params->hdr.e_phoff - phdr->p_offset;  in elf_fdpic_map_file()
854 	phdr = params->phdrs;  in elf_fdpic_map_file()
855 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file()
864 				params->dynamic_addr =  in elf_fdpic_map_file()
877 				     params->dynamic_addr)[tmp - 1].d_tag != 0)  in elf_fdpic_map_file()
915 	kdebug("- elfhdr   : %lx", params->elfhdr_addr);  in elf_fdpic_map_file()
916 	kdebug("- entry    : %lx", params->entry_addr);  in elf_fdpic_map_file()
917 	kdebug("- PHDR[]   : %lx", params->ph_addr);  in elf_fdpic_map_file()
918 	kdebug("- DYNAMIC[]: %lx", params->dynamic_addr);  in elf_fdpic_map_file()
940 	struct elf_fdpic_params *params,  in elf_fdpic_map_file_constdisp_on_uclinux()  argument
949 	load_addr = params->load_addr;  in elf_fdpic_map_file_constdisp_on_uclinux()
950 	seg = params->loadmap->segs;  in elf_fdpic_map_file_constdisp_on_uclinux()
954 	phdr = params->phdrs;  in elf_fdpic_map_file_constdisp_on_uclinux()
955 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_constdisp_on_uclinux()
956 		if (params->phdrs[loop].p_type != PT_LOAD)  in elf_fdpic_map_file_constdisp_on_uclinux()
967 	if (params->flags & ELF_FDPIC_FLAG_EXECUTABLE)  in elf_fdpic_map_file_constdisp_on_uclinux()
979 	phdr = params->phdrs;  in elf_fdpic_map_file_constdisp_on_uclinux()
980 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_constdisp_on_uclinux()
981 		if (params->phdrs[loop].p_type != PT_LOAD)  in elf_fdpic_map_file_constdisp_on_uclinux()
995 			params->elfhdr_addr = seg->addr;  in elf_fdpic_map_file_constdisp_on_uclinux()
1028 static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params,  in elf_fdpic_map_file_by_direct_mmap()  argument
1037 	load_addr = params->load_addr;  in elf_fdpic_map_file_by_direct_mmap()
1041 	seg = params->loadmap->segs;  in elf_fdpic_map_file_by_direct_mmap()
1044 	phdr = params->phdrs;  in elf_fdpic_map_file_by_direct_mmap()
1045 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_by_direct_mmap()
1064 		if (params->flags & ELF_FDPIC_FLAG_EXECUTABLE)  in elf_fdpic_map_file_by_direct_mmap()
1069 		switch (params->flags & ELF_FDPIC_FLAG_ARRANGEMENT) {  in elf_fdpic_map_file_by_direct_mmap()
1117 		if ((params->flags & ELF_FDPIC_FLAG_ARRANGEMENT) ==  in elf_fdpic_map_file_by_direct_mmap()
1127 			params->elfhdr_addr = seg->addr;  in elf_fdpic_map_file_by_direct_mmap()