powerpc/kernel/module_64.c

208 				    const Elf64_Shdr *sechdrs)
216 		if (sechdrs[i].sh_type == SHT_RELA) {
219 			       (void *)sechdrs[i].sh_addr,
220 			       sechdrs[i].sh_size / sizeof(Elf64_Rela));
227 			sort((void *)sechdrs[i].sh_addr,
228 			     sechdrs[i].sh_size / sizeof(Elf64_Rela),
231 			relocs += count_relocs((void *)sechdrs[i].sh_addr,
232 					       sechdrs[i].sh_size
236 			relocs += count_relocs((void *)sechdrs[i].sh_addr,
237 					       sechdrs[i].sh_size
258 static int count_pcpu_relocs(const Elf64_Shdr *sechdrs,
272 		sym = (Elf64_Sym *)sechdrs[symindex].sh_addr
289 				  const Elf64_Shdr *sechdrs,
297 		if (sechdrs[i].sh_type == SHT_SYMTAB) {
306 		if (sechdrs[i].sh_type == SHT_RELA) {
308 			pr_debug("Ptr: %p.  Number: %llu\n", (void *)sechdrs[i].sh_addr,
309 				 sechdrs[i].sh_size / sizeof(Elf64_Rela));
317 			sort((void *)sechdrs[i].sh_addr,
318 			     sechdrs[i].sh_size / sizeof(Elf64_Rela),
321 			relocs += count_relocs((void *)sechdrs[i].sh_addr,
322 					       sechdrs[i].sh_size
333 				relocs += count_pcpu_relocs(sechdrs,
334 						(void *)sechdrs[i].sh_addr,
335 					       sechdrs[i].sh_size
378 static Elf64_Sym *find_dot_toc(Elf64_Shdr *sechdrs,
385 	syms = (Elf64_Sym *)sechdrs[symindex].sh_addr;
386 	numsyms = sechdrs[symindex].sh_size / sizeof(Elf64_Sym);
404 			      Elf64_Shdr *sechdrs,
412 		if (strcmp(secstrings + sechdrs[i].sh_name, ".stubs") == 0)
415 		else if (strcmp(secstrings + sechdrs[i].sh_name, ".data..percpu") == 0)
417 		else if (strcmp(secstrings + sechdrs[i].sh_name, ".mygot") == 0) {
419 			if (sechdrs[i].sh_addralign < 8)
420 				sechdrs[i].sh_addralign = 8;
423 		else if (strcmp(secstrings + sechdrs[i].sh_name, ".toc") == 0) {
425 			if (sechdrs[i].sh_addralign < 8)
426 				sechdrs[i].sh_addralign = 8;
428 		else if (strcmp(secstrings+sechdrs[i].sh_name,"__versions")==0)
429 			dedotify_versions((void *)hdr + sechdrs[i].sh_offset,
430 					  sechdrs[i].sh_size);
432 		if (sechdrs[i].sh_type == SHT_SYMTAB)
433 			dedotify((void *)hdr + sechdrs[i].sh_offset,
434 				 sechdrs[i].sh_size / sizeof(Elf64_Sym),
436 				 + sechdrs[sechdrs[i].sh_link].sh_offset);
452 	sechdrs[me->arch.got_section].sh_size = get_got_size(hdr, sechdrs, me);
463 	sechdrs[me->arch.stubs_section].sh_size = get_stubs_size(hdr, sechdrs);
580 static inline unsigned long my_r2(const Elf64_Shdr *sechdrs, struct module *me)
583 	return (sechdrs[me->arch.toc_section].sh_addr & ~0xfful) + 0x8000;
590 static inline int create_stub(const Elf64_Shdr *sechdrs,
634 		reladdr = (unsigned long)entry - my_r2(sechdrs, me);
667 static unsigned long stub_for_addr(const Elf64_Shdr *sechdrs,
675 	num_stubs = sechdrs[me->arch.stubs_section].sh_size / sizeof(*stubs);
678 	stubs = (void *)sechdrs[me->arch.stubs_section].sh_addr;
687 	if (!create_stub(sechdrs, &stubs[i], addr, me, name))
695 static unsigned long got_for_addr(const Elf64_Shdr *sechdrs,
706 	num_got = sechdrs[me->arch.got_section].sh_size / sizeof(*got);
709 	got = (void *)sechdrs[me->arch.got_section].sh_addr;
764 int apply_relocate_add(Elf64_Shdr *sechdrs,
771 	Elf64_Rela *rela = (void *)sechdrs[relsec].sh_addr;
777 	       sechdrs[relsec].sh_info);
782 		sym = find_dot_toc(sechdrs, strtab, symindex);
786 			sym->st_value = my_r2(sechdrs, me);
790 	for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rela); i++) {
792 		location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr
795 		sym = (Elf64_Sym *)sechdrs[symindex].sh_addr
819 			*(unsigned long *)location = my_r2(sechdrs, me);
824 			value -= my_r2(sechdrs, me);
837 			value -= my_r2(sechdrs, me);
845 			value -= my_r2(sechdrs, me);
858 			value -= my_r2(sechdrs, me);
871 			value -= my_r2(sechdrs, me);
888 				value = stub_for_addr(sechdrs, value, me,
950 				value = got_for_addr(sechdrs, absvalue, me,
989 			value = my_r2(sechdrs, me) - (unsigned long)location;
1029 			value = got_for_addr(sechdrs, value, me,
1089 int module_finalize_ftrace(struct module *mod, const Elf_Shdr *sechdrs)
1091 	mod->arch.tramp = stub_for_addr(sechdrs,
1096 	mod->arch.tramp_regs = stub_for_addr(sechdrs,