rtld-elf/i386/reloc.c

115 init_pltgot(Obj_Entry *obj)
117     if (obj->pltgot != NULL) {
118 	obj->pltgot[1] = (Elf_Addr) obj;
119 	obj->pltgot[2] = (Elf_Addr) &_rtld_bind_start;
125 reloc_non_plt(Obj_Entry *obj, Obj_Entry *obj_rtld, int flags,
141 	if (obj != obj_rtld) {
142 		cache = calloc(obj->dynsymcount, sizeof(SymCache));
147 	rellim = (const Elf_Rel *)((caddr_t) obj->rel + obj->relsize);
148 	for (rel = obj->rel;  rel < rellim;  rel++) {
157 			def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj,
167 						obj->non_plt_gnu_ifunc = true;
178 					    obj->path);
193 		where = (Elf_Addr *)(obj->relocbase + rel->r_offset);
217 			if (!obj->mainprog) {
219 				    "relocation in shared library", obj->path);
227 			*where += (Elf_Addr)obj->relocbase;
243 					    obj->path);
261 			    " in non-PLT relocations\n", obj->path,
274 reloc_plt(Obj_Entry *obj)
279     rellim = (const Elf_Rel *)((char *)obj->pltrel + obj->pltrelsize);
280     for (rel = obj->pltrel;  rel < rellim;  rel++) {
286 	  where = (Elf_Addr *)(obj->relocbase + rel->r_offset);
287 	  *where += (Elf_Addr)obj->relocbase;
291 	  obj->irelative = true;
305 reloc_jmpslots(Obj_Entry *obj, int flags, RtldLockState *lockstate)
310     if (obj->jmpslots_done)
312     rellim = (const Elf_Rel *)((char *)obj->pltrel + obj->pltrelsize);
313     for (rel = obj->pltrel;  rel < rellim;  rel++) {
320 	  where = (Elf_Addr *)(obj->relocbase + rel->r_offset);
321 	  def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj,
326 	      obj->gnu_ifunc = true;
330 	  reloc_jmpslot(where, target, defobj, obj, rel);
343     obj->jmpslots_done = true;
348 reloc_iresolve(Obj_Entry *obj, RtldLockState *lockstate)
354     if (!obj->irelative)
356     rellim = (const Elf_Rel *)((char *)obj->pltrel + obj->pltrelsize);
357     for (rel = obj->pltrel;  rel < rellim;  rel++) {
360 	  where = (Elf_Addr *)(obj->relocbase + rel->r_offset);
362 	  target = ((Elf_Addr (*)(void))(obj->relocbase + *where))();
368     obj->irelative = false;
373 reloc_gnu_ifunc(Obj_Entry *obj, int flags, RtldLockState *lockstate)
378     if (!obj->gnu_ifunc)
380     rellim = (const Elf_Rel *)((char *)obj->pltrel + obj->pltrelsize);
381     for (rel = obj->pltrel;  rel < rellim;  rel++) {
388 	  where = (Elf_Addr *)(obj->relocbase + rel->r_offset);
389 	  def = find_symdef(ELF_R_SYM(rel->r_info), obj, &defobj,
398 	  reloc_jmpslot(where, target, defobj, obj, rel);
403     obj->gnu_ifunc = false;