46 static struct vdso_info  struct
64 } vdso_info;  argument
101 	vdso_info.valid = false;  in vdso_init_from_sysinfo_ehdr()
103 	vdso_info.load_addr = base;  in vdso_init_from_sysinfo_ehdr()
111 	ELF(Phdr) *pt = (ELF(Phdr)*)(vdso_info.load_addr + hdr->e_phoff);  in vdso_init_from_sysinfo_ehdr()
122 			vdso_info.load_offset =	base  in vdso_init_from_sysinfo_ehdr()
137 	vdso_info.symstrings = 0;  in vdso_init_from_sysinfo_ehdr()
138 	vdso_info.gnu_hash = 0;  in vdso_init_from_sysinfo_ehdr()
139 	vdso_info.symtab = 0;  in vdso_init_from_sysinfo_ehdr()
140 	vdso_info.versym = 0;  in vdso_init_from_sysinfo_ehdr()
141 	vdso_info.verdef = 0;  in vdso_init_from_sysinfo_ehdr()
145 			vdso_info.symstrings = (const char *)  in vdso_init_from_sysinfo_ehdr()
147 				 + vdso_info.load_offset);  in vdso_init_from_sysinfo_ehdr()
150 			vdso_info.symtab = (ELF(Sym) *)  in vdso_init_from_sysinfo_ehdr()
152 				 + vdso_info.load_offset);  in vdso_init_from_sysinfo_ehdr()
157 				 + vdso_info.load_offset);  in vdso_init_from_sysinfo_ehdr()
160 			vdso_info.gnu_hash =  in vdso_init_from_sysinfo_ehdr()
162 					      vdso_info.load_offset);  in vdso_init_from_sysinfo_ehdr()
165 			vdso_info.versym = (ELF(Versym) *)  in vdso_init_from_sysinfo_ehdr()
167 				 + vdso_info.load_offset);  in vdso_init_from_sysinfo_ehdr()
170 			vdso_info.verdef = (ELF(Verdef) *)  in vdso_init_from_sysinfo_ehdr()
172 				 + vdso_info.load_offset);  in vdso_init_from_sysinfo_ehdr()
176 	if (!vdso_info.symstrings || !vdso_info.symtab ||  in vdso_init_from_sysinfo_ehdr()
177 	    (!hash && !vdso_info.gnu_hash))  in vdso_init_from_sysinfo_ehdr()
180 	if (!vdso_info.verdef)  in vdso_init_from_sysinfo_ehdr()
181 		vdso_info.versym = 0;  in vdso_init_from_sysinfo_ehdr()
184 	if (vdso_info.gnu_hash) {  in vdso_init_from_sysinfo_ehdr()
185 		vdso_info.nbucket = vdso_info.gnu_hash[0];  in vdso_init_from_sysinfo_ehdr()
189 		vdso_info.gnu_bucket = vdso_info.gnu_hash + 4 +  in vdso_init_from_sysinfo_ehdr()
190 				       sizeof(size_t) / 4 * vdso_info.gnu_hash[2];  in vdso_init_from_sysinfo_ehdr()
192 		vdso_info.nbucket = hash[0];  in vdso_init_from_sysinfo_ehdr()
193 		vdso_info.nchain = hash[1];  in vdso_init_from_sysinfo_ehdr()
194 		vdso_info.bucket = &hash[2];  in vdso_init_from_sysinfo_ehdr()
195 		vdso_info.chain = &hash[vdso_info.nbucket + 2];  in vdso_init_from_sysinfo_ehdr()
199 	vdso_info.valid = true;  in vdso_init_from_sysinfo_ehdr()
222 	ELF(Verdef) *def = vdso_info.verdef;  in vdso_match_version()
237 		&& !strcmp(name, vdso_info.symstrings + aux->vda_name);  in vdso_match_version()
249 	if (strcmp(name, vdso_info.symstrings + sym->st_name))  in check_sym()
253 	if (vdso_info.versym &&  in check_sym()
254 	    !vdso_match_version(vdso_info.versym[i], version, ver_hash))  in check_sym()
263 	if (!vdso_info.valid)  in vdso_sym()
269 	if (vdso_info.gnu_hash) {  in vdso_sym()
272 		i = vdso_info.gnu_bucket[h1 % vdso_info.nbucket];  in vdso_sym()
276 		hashval = vdso_info.gnu_bucket + vdso_info.nbucket +  in vdso_sym()
277 			  (i - vdso_info.gnu_hash[1]);  in vdso_sym()
279 			ELF(Sym) *sym = &vdso_info.symtab[i];  in vdso_sym()
283 				return (void *)(vdso_info.load_offset +  in vdso_sym()
289 		i = vdso_info.bucket[elf_hash(name) % vdso_info.nbucket];  in vdso_sym()
290 		for (; i; i = vdso_info.chain[i]) {  in vdso_sym()
291 			ELF(Sym) *sym = &vdso_info.symtab[i];  in vdso_sym()
294 				return (void *)(vdso_info.load_offset +  in vdso_sym()