Work on magic numbers for aarch64

libc/runtime/cosmo2.c

@@ -47,13 +47,11 @@ typedef int init_f(int argc, char **argv, char **envp, unsigned long *auxv);
 extern init_f __strace_init;
 extern init_f *__init_array_start[] __attribute__((__weak__));
 extern init_f *__init_array_end[] __attribute__((__weak__));
-extern uintptr_t ape_idata_iat[] __attribute__((__weak__));
-extern uintptr_t ape_idata_iatend[] __attribute__((__weak__));
 extern pthread_mutex_t __mmi_lock_obj;
 
 struct CosmoTib *tib;
 
-void cosmo(long *sp) {
+textstartup void cosmo(long *sp) {
   int argc;
   init_f **fp;
   uintptr_t *pp;
@@ -74,15 +72,11 @@ void cosmo(long *sp) {
   // needed by kisdangerous()
   __oldstack = (intptr_t)sp;
 
-  // make win32 imps noop
-  for (pp = ape_idata_iat; pp < ape_idata_iatend; ++pp) {
-    *pp = (uintptr_t)_missingno;
-  }
-
   // initialize mmap() manager extremely early
   _mmi.n = ARRAYLEN(_mmi.s);
   _mmi.p = _mmi.s;
   __mmi_lock_obj._type = PTHREAD_MUTEX_RECURSIVE;
+  InitializeFileDescriptors();
 
 #ifdef SYSDEBUG
   // initialize --strace functionality

libc/runtime/enable_tls.c

@@ -90,7 +90,7 @@ _Alignas(TLS_ALIGNMENT) static char __static_tls[6016];
  * arch_prctl() function. However, such programs might not be portable
  * and your `errno` variable also won't be thread safe anymore.
  */
-void __enable_tls(void) {
+textstartup void __enable_tls(void) {
   int tid;
   size_t siz;
   char *mem, *tls;

libc/runtime/internal.h

@@ -46,6 +46,7 @@ int __inflate(void *, size_t, const void *, size_t);
 noasan void *_Mmap(void *addr, size_t size, int prot, int flags, int fd,
                    int64_t off) _Hide;
 noasan int _Munmap(char *, size_t) _Hide;
+void InitializeFileDescriptors(void);
 
 COSMOPOLITAN_C_END_
 #endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */

libc/runtime/set_tls.c

@@ -26,7 +26,7 @@
 
 int sys_set_tls();
 
-void __set_tls(struct CosmoTib *tib) {
+textstartup void __set_tls(struct CosmoTib *tib) {
   tib = __adj_tls(tib);
 #ifdef __x86_64__
   // ask the operating system to change the x86 segment register