123 static int elf_fdpic_fetch_phdrs(struct elf_fdpic_params *params,  in elf_fdpic_fetch_phdrs()  argument
130 	if (params->hdr.e_phentsize != sizeof(struct elf_phdr))  in elf_fdpic_fetch_phdrs()
132 	if (params->hdr.e_phnum > 65536U / sizeof(struct elf_phdr))  in elf_fdpic_fetch_phdrs()
135 	size = params->hdr.e_phnum * sizeof(struct elf_phdr);  in elf_fdpic_fetch_phdrs()
136 	params->phdrs = kmalloc(size, GFP_KERNEL);  in elf_fdpic_fetch_phdrs()
137 	if (!params->phdrs)  in elf_fdpic_fetch_phdrs()
140 	retval = kernel_read(file, params->hdr.e_phoff,  in elf_fdpic_fetch_phdrs()
141 			     (char *) params->phdrs, size);  in elf_fdpic_fetch_phdrs()
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()
152 			params->flags |= ELF_FDPIC_FLAG_EXEC_STACK;  in elf_fdpic_fetch_phdrs()
154 			params->flags |= ELF_FDPIC_FLAG_NOEXEC_STACK;  in elf_fdpic_fetch_phdrs()
156 		params->stack_size = phdr->p_memsz;  in elf_fdpic_fetch_phdrs()
738 static int elf_fdpic_map_file(struct elf_fdpic_params *params,  in elf_fdpic_map_file()  argument
756 	for (loop = 0; loop < params->hdr.e_phnum; loop++)  in elf_fdpic_map_file()
757 		if (params->phdrs[loop].p_type == PT_LOAD)  in elf_fdpic_map_file()
768 	params->loadmap = loadmap;  in elf_fdpic_map_file()
773 	load_addr = params->load_addr;  in elf_fdpic_map_file()
777 	switch (params->flags & ELF_FDPIC_FLAG_ARRANGEMENT) {  in elf_fdpic_map_file()
781 		ret = elf_fdpic_map_file_constdisp_on_uclinux(params, file, mm);  in elf_fdpic_map_file()
787 		ret = elf_fdpic_map_file_by_direct_mmap(params, file, mm);  in elf_fdpic_map_file()
794 	if (params->hdr.e_entry) {  in elf_fdpic_map_file()
797 			if (params->hdr.e_entry >= seg->p_vaddr &&  in elf_fdpic_map_file()
798 			    params->hdr.e_entry < seg->p_vaddr + seg->p_memsz) {  in elf_fdpic_map_file()
799 				params->entry_addr =  in elf_fdpic_map_file()
800 					(params->hdr.e_entry - seg->p_vaddr) +  in elf_fdpic_map_file()
808 	stop = params->hdr.e_phoff;  in elf_fdpic_map_file()
809 	stop += params->hdr.e_phnum * sizeof (struct elf_phdr);  in elf_fdpic_map_file()
810 	phdr = params->phdrs;  in elf_fdpic_map_file()
812 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file()
816 		if (phdr->p_offset > params->hdr.e_phoff ||  in elf_fdpic_map_file()
825 				params->ph_addr =  in elf_fdpic_map_file()
828 					params->hdr.e_phoff - phdr->p_offset;  in elf_fdpic_map_file()
836 	phdr = params->phdrs;  in elf_fdpic_map_file()
837 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file()
846 				params->dynamic_addr =  in elf_fdpic_map_file()
859 				     params->dynamic_addr)[tmp - 1].d_tag != 0)  in elf_fdpic_map_file()
897 	kdebug("- elfhdr   : %lx", params->elfhdr_addr);  in elf_fdpic_map_file()
898 	kdebug("- entry    : %lx", params->entry_addr);  in elf_fdpic_map_file()
899 	kdebug("- PHDR[]   : %lx", params->ph_addr);  in elf_fdpic_map_file()
900 	kdebug("- DYNAMIC[]: %lx", params->dynamic_addr);  in elf_fdpic_map_file()
922 	struct elf_fdpic_params *params,  in elf_fdpic_map_file_constdisp_on_uclinux()  argument
931 	load_addr = params->load_addr;  in elf_fdpic_map_file_constdisp_on_uclinux()
932 	seg = params->loadmap->segs;  in elf_fdpic_map_file_constdisp_on_uclinux()
936 	phdr = params->phdrs;  in elf_fdpic_map_file_constdisp_on_uclinux()
937 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_constdisp_on_uclinux()
938 		if (params->phdrs[loop].p_type != PT_LOAD)  in elf_fdpic_map_file_constdisp_on_uclinux()
949 	if (params->flags & ELF_FDPIC_FLAG_EXECUTABLE)  in elf_fdpic_map_file_constdisp_on_uclinux()
961 	phdr = params->phdrs;  in elf_fdpic_map_file_constdisp_on_uclinux()
962 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_constdisp_on_uclinux()
963 		if (params->phdrs[loop].p_type != PT_LOAD)  in elf_fdpic_map_file_constdisp_on_uclinux()
977 			params->elfhdr_addr = seg->addr;  in elf_fdpic_map_file_constdisp_on_uclinux()
1010 static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params,  in elf_fdpic_map_file_by_direct_mmap()  argument
1019 	load_addr = params->load_addr;  in elf_fdpic_map_file_by_direct_mmap()
1023 	seg = params->loadmap->segs;  in elf_fdpic_map_file_by_direct_mmap()
1026 	phdr = params->phdrs;  in elf_fdpic_map_file_by_direct_mmap()
1027 	for (loop = 0; loop < params->hdr.e_phnum; loop++, phdr++) {  in elf_fdpic_map_file_by_direct_mmap()
1046 		if (params->flags & ELF_FDPIC_FLAG_EXECUTABLE)  in elf_fdpic_map_file_by_direct_mmap()
1051 		switch (params->flags & ELF_FDPIC_FLAG_ARRANGEMENT) {  in elf_fdpic_map_file_by_direct_mmap()
1099 		if ((params->flags & ELF_FDPIC_FLAG_ARRANGEMENT) ==  in elf_fdpic_map_file_by_direct_mmap()
1109 			params->elfhdr_addr = seg->addr;  in elf_fdpic_map_file_by_direct_mmap()