123 write_validate (void *addr)  in write_validate()  argument
146        ret = syscall (SYS_write, mem_validate_pipe[1], addr, 1);  in write_validate()
148 	  ret = write (mem_validate_pipe[1], addr, 1);  in write_validate()
156 static int (*mem_validate_func) (void *addr, size_t len);
157 static int msync_validate (void *addr, size_t len)  in msync_validate()  argument
159   if (msync (addr, len, MS_ASYNC) != 0)  in msync_validate()
164   return write_validate (addr);  in msync_validate()
168 static int mincore_validate (void *addr, size_t len)  in mincore_validate()  argument
174   if (mincore (addr, len, (unsigned char *)mvec) != 0)  in mincore_validate()
179   return write_validate (addr);  in mincore_validate()
194   unw_word_t addr = PAGE_START((unw_word_t)&present);  in tdep_init_mem_validate()  local
197   while ((ret = mincore ((void*)addr, PAGE_SIZE, (unsigned char *)mvec)) == -1 &&  in tdep_init_mem_validate()
220 is_cached_valid_mem(unw_word_t addr)  in is_cached_valid_mem()  argument
225       if (addr == last_good_addr[i])  in is_cached_valid_mem()
232 cache_valid_mem(unw_word_t addr)  in cache_valid_mem()  argument
238       last_good_addr[victim] = addr;  in cache_valid_mem()
245   last_good_addr[victim] = addr;  in cache_valid_mem()
256 is_cached_valid_mem(unw_word_t addr)  in is_cached_valid_mem()  argument
261       if (addr == atomic_load(&last_good_addr[i]))  in is_cached_valid_mem()
268 cache_valid_mem(unw_word_t addr)  in cache_valid_mem()  argument
274     if (atomic_compare_exchange_strong(&last_good_addr[victim], &zero, addr)) {  in cache_valid_mem()
281   atomic_store(&last_good_addr[victim], addr);  in cache_valid_mem()
288 validate_mem (unw_word_t addr)  in validate_mem()  argument
292   if (PAGE_START(addr + sizeof (unw_word_t) - 1) == PAGE_START(addr))  in validate_mem()
297   addr = PAGE_START(addr);  in validate_mem()
299   if (addr == 0)  in validate_mem()
302   if (is_cached_valid_mem(addr))  in validate_mem()
305   if (mem_validate_func ((void *) addr, len) == -1)  in validate_mem()
308   cache_valid_mem(addr);  in validate_mem()
314 access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write,  in access_mem()  argument
319       Debug (16, "mem[%016lx] <- %lx\n", addr, *val);  in access_mem()
320       *(unw_word_t *) addr = *val;  in access_mem()
326           && unlikely (validate_mem (addr))) {  in access_mem()
327         Debug (16, "mem[%016lx] -> invalid\n", addr);  in access_mem()
330       *val = *(unw_word_t *) addr;  in access_mem()
331       Debug (16, "mem[%016lx] -> %lx\n", addr, *val);  in access_mem()
340   unw_word_t *addr;  in access_reg()  local
346   if (!(addr = x86_64_r_uc_addr (uc, reg)))  in access_reg()
351       *(unw_word_t *) addr = *val;  in access_reg()
356       *val = *(unw_word_t *) addr;  in access_reg()
371   unw_fpreg_t *addr;  in access_fpreg()  local
376   if (!(addr = x86_64_r_uc_addr (uc, reg)))  in access_fpreg()
383       *(unw_fpreg_t *) addr = *val;  in access_fpreg()
387       *val = *(unw_fpreg_t *) addr;  in access_fpreg()