s390/kernel/module.c

57 static void check_rela(Elf_Rela *rela, struct module *me)
61 	info = me->arch.syminfo + ELF_R_SYM (rela->r_info);
76 			info->got_offset = me->arch.got_size;
77 			me->arch.got_size += sizeof(void*);
88 			info->plt_offset = me->arch.plt_size;
89 			me->arch.plt_size += PLT_ENTRY_SIZE;
107 			      char *secstrings, struct module *me)
125 		printk(KERN_ERR "module %s: no symbol table\n", me->name);
130 	me->arch.nsyms = symtab->sh_size / sizeof(Elf_Sym);
131 	me->arch.syminfo = vmalloc(array_size(sizeof(struct mod_arch_syminfo),
132 					      me->arch.nsyms));
133 	if (!me->arch.syminfo)
137 	for (i = 0; i < me->arch.nsyms; i++) {
143 		me->arch.syminfo[i].got_offset = -1UL;
144 		me->arch.syminfo[i].plt_offset = -1UL;
145 		me->arch.syminfo[i].got_initialized = 0;
146 		me->arch.syminfo[i].plt_initialized = 0;
150 	me->arch.got_size = me->arch.plt_size = 0;
157 			check_rela(rela + j, me);
162 	mod_mem = &me->mem[MOD_TEXT];
164 	me->arch.got_offset = mod_mem->size;
165 	mod_mem->size += me->arch.got_size;
166 	me->arch.plt_offset = mod_mem->size;
167 	if (me->arch.plt_size) {
169 			me->arch.plt_size += PLT_ENTRY_SIZE;
170 		mod_mem->size += me->arch.plt_size;
223 		      const char *strtab, struct module *me,
237 	info = me->arch.syminfo + r_sym;
294 			Elf_Addr *gotent = me->mem[MOD_TEXT].base +
295 					   me->arch.got_offset +
319 			val += (Elf_Addr)me->mem[MOD_TEXT].base +
320 				me->arch.got_offset - loc;
336 			plt_base = me->mem[MOD_TEXT].base + me->arch.plt_offset;
343 				jump_r1 = plt_base + me->arch.plt_size -
359 			val = me->arch.plt_offset - me->arch.got_offset +
366 				val = (Elf_Addr) me->mem[MOD_TEXT].base +
367 					me->arch.plt_offset +
388 			((Elf_Addr) me->mem[MOD_TEXT].base + me->arch.got_offset);
398 		val = (Elf_Addr) me->mem[MOD_TEXT].base + me->arch.got_offset +
414 		       me->name, r_type);
420 		       me->name, strtab + symtab[r_sym].st_name,
429 		       struct module *me,
446 		rc = apply_rela(rela, base, symtab, strtab, me, write);
455 		       struct module *me)
457 	bool early = me->state == MODULE_STATE_UNFORMED;
463 	return __apply_relocate_add(sechdrs, strtab, symindex, relsec, me,
468 static int module_alloc_ftrace_hotpatch_trampolines(struct module *me,
483 	me->arch.trampolines_start = (struct ftrace_hotpatch_trampoline *)start;
484 	me->arch.trampolines_end = (struct ftrace_hotpatch_trampoline *)end;
485 	me->arch.next_trampoline = me->arch.trampolines_start;
493 		    struct module *me)
503 	    !nospec_disable && me->arch.plt_size) {
506 		ij = me->mem[MOD_TEXT].base + me->arch.plt_offset +
507 			me->arch.plt_size - PLT_ENTRY_SIZE;
532 			ret = module_alloc_ftrace_hotpatch_trampolines(me, s);