diff --git a/libc/arch-arm64/syscalls/__accept4.S b/libc/arch-arm64/syscalls/__accept4.S
index 1c2a674..bee9fda 100644
--- a/libc/arch-arm64/syscalls/__accept4.S
+++ b/libc/arch-arm64/syscalls/__accept4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__accept4)
     mov     x8, __NR_accept4
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__brk.S b/libc/arch-arm64/syscalls/__brk.S
index 85ed767..e91e762 100644
--- a/libc/arch-arm64/syscalls/__brk.S
+++ b/libc/arch-arm64/syscalls/__brk.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__brk)
     mov     x8, __NR_brk
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__clock_gettime.S b/libc/arch-arm64/syscalls/__clock_gettime.S
index f346648..d4a65e8 100644
--- a/libc/arch-arm64/syscalls/__clock_gettime.S
+++ b/libc/arch-arm64/syscalls/__clock_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__clock_gettime)
     mov     x8, __NR_clock_gettime
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__connect.S b/libc/arch-arm64/syscalls/__connect.S
index 0d664f0..4f19dc7 100644
--- a/libc/arch-arm64/syscalls/__connect.S
+++ b/libc/arch-arm64/syscalls/__connect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__connect)
     mov     x8, __NR_connect
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__epoll_pwait.S b/libc/arch-arm64/syscalls/__epoll_pwait.S
index 45275c0..7f40fbc 100644
--- a/libc/arch-arm64/syscalls/__epoll_pwait.S
+++ b/libc/arch-arm64/syscalls/__epoll_pwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__epoll_pwait)
     mov     x8, __NR_epoll_pwait
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__exit.S b/libc/arch-arm64/syscalls/__exit.S
index e358513..30849ce 100644
--- a/libc/arch-arm64/syscalls/__exit.S
+++ b/libc/arch-arm64/syscalls/__exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__exit)
     mov     x8, __NR_exit
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__getcpu.S b/libc/arch-arm64/syscalls/__getcpu.S
index 5e4368f..4821917 100644
--- a/libc/arch-arm64/syscalls/__getcpu.S
+++ b/libc/arch-arm64/syscalls/__getcpu.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcpu)
     mov     x8, __NR_getcpu
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__getcwd.S b/libc/arch-arm64/syscalls/__getcwd.S
index bd4fbaa..f0212a2 100644
--- a/libc/arch-arm64/syscalls/__getcwd.S
+++ b/libc/arch-arm64/syscalls/__getcwd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getcwd)
     mov     x8, __NR_getcwd
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__getdents64.S b/libc/arch-arm64/syscalls/__getdents64.S
index bf0f9a4..0061cd6 100644
--- a/libc/arch-arm64/syscalls/__getdents64.S
+++ b/libc/arch-arm64/syscalls/__getdents64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getdents64)
     mov     x8, __NR_getdents64
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__getpid.S b/libc/arch-arm64/syscalls/__getpid.S
index c3003c3..011d82d 100644
--- a/libc/arch-arm64/syscalls/__getpid.S
+++ b/libc/arch-arm64/syscalls/__getpid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpid)
     mov     x8, __NR_getpid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__getpriority.S b/libc/arch-arm64/syscalls/__getpriority.S
index 57ceabf..80188b3 100644
--- a/libc/arch-arm64/syscalls/__getpriority.S
+++ b/libc/arch-arm64/syscalls/__getpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__getpriority)
     mov     x8, __NR_getpriority
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__gettimeofday.S b/libc/arch-arm64/syscalls/__gettimeofday.S
index 6582c49..7d1b5d3 100644
--- a/libc/arch-arm64/syscalls/__gettimeofday.S
+++ b/libc/arch-arm64/syscalls/__gettimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__gettimeofday)
     mov     x8, __NR_gettimeofday
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__ioctl.S b/libc/arch-arm64/syscalls/__ioctl.S
index f632555..3d42f1a 100644
--- a/libc/arch-arm64/syscalls/__ioctl.S
+++ b/libc/arch-arm64/syscalls/__ioctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ioctl)
     mov     x8, __NR_ioctl
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__openat.S b/libc/arch-arm64/syscalls/__openat.S
index e1b0da3..1ff0b48 100644
--- a/libc/arch-arm64/syscalls/__openat.S
+++ b/libc/arch-arm64/syscalls/__openat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__openat)
     mov     x8, __NR_openat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__ppoll.S b/libc/arch-arm64/syscalls/__ppoll.S
index 31e5578..9517ce3 100644
--- a/libc/arch-arm64/syscalls/__ppoll.S
+++ b/libc/arch-arm64/syscalls/__ppoll.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ppoll)
     mov     x8, __NR_ppoll
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__pselect6.S b/libc/arch-arm64/syscalls/__pselect6.S
index b0e4770..7e14e02 100644
--- a/libc/arch-arm64/syscalls/__pselect6.S
+++ b/libc/arch-arm64/syscalls/__pselect6.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__pselect6)
     mov     x8, __NR_pselect6
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__ptrace.S b/libc/arch-arm64/syscalls/__ptrace.S
index 054bb6f..b325e29 100644
--- a/libc/arch-arm64/syscalls/__ptrace.S
+++ b/libc/arch-arm64/syscalls/__ptrace.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__ptrace)
     mov     x8, __NR_ptrace
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__reboot.S b/libc/arch-arm64/syscalls/__reboot.S
index e24553c..04b18c9 100644
--- a/libc/arch-arm64/syscalls/__reboot.S
+++ b/libc/arch-arm64/syscalls/__reboot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__reboot)
     mov     x8, __NR_reboot
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__rt_sigaction.S b/libc/arch-arm64/syscalls/__rt_sigaction.S
index 3d84544..3def558 100644
--- a/libc/arch-arm64/syscalls/__rt_sigaction.S
+++ b/libc/arch-arm64/syscalls/__rt_sigaction.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigaction)
     mov     x8, __NR_rt_sigaction
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__rt_sigpending.S b/libc/arch-arm64/syscalls/__rt_sigpending.S
index 60f0a10..3ac0cb8 100644
--- a/libc/arch-arm64/syscalls/__rt_sigpending.S
+++ b/libc/arch-arm64/syscalls/__rt_sigpending.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigpending)
     mov     x8, __NR_rt_sigpending
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__rt_sigprocmask.S b/libc/arch-arm64/syscalls/__rt_sigprocmask.S
index 7f5b3ac..72c7ea6 100644
--- a/libc/arch-arm64/syscalls/__rt_sigprocmask.S
+++ b/libc/arch-arm64/syscalls/__rt_sigprocmask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigprocmask)
     mov     x8, __NR_rt_sigprocmask
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__rt_sigsuspend.S b/libc/arch-arm64/syscalls/__rt_sigsuspend.S
index 08b1197..a289713 100644
--- a/libc/arch-arm64/syscalls/__rt_sigsuspend.S
+++ b/libc/arch-arm64/syscalls/__rt_sigsuspend.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigsuspend)
     mov     x8, __NR_rt_sigsuspend
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__rt_sigtimedwait.S b/libc/arch-arm64/syscalls/__rt_sigtimedwait.S
index 8bc9a7a..c61e4ac 100644
--- a/libc/arch-arm64/syscalls/__rt_sigtimedwait.S
+++ b/libc/arch-arm64/syscalls/__rt_sigtimedwait.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__rt_sigtimedwait)
     mov     x8, __NR_rt_sigtimedwait
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__sched_getaffinity.S b/libc/arch-arm64/syscalls/__sched_getaffinity.S
index c0d392c..5bee77e 100644
--- a/libc/arch-arm64/syscalls/__sched_getaffinity.S
+++ b/libc/arch-arm64/syscalls/__sched_getaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__sched_getaffinity)
     mov     x8, __NR_sched_getaffinity
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__set_tid_address.S b/libc/arch-arm64/syscalls/__set_tid_address.S
index 296c907..e4790bf 100644
--- a/libc/arch-arm64/syscalls/__set_tid_address.S
+++ b/libc/arch-arm64/syscalls/__set_tid_address.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__set_tid_address)
     mov     x8, __NR_set_tid_address
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__signalfd4.S b/libc/arch-arm64/syscalls/__signalfd4.S
index 3932003..a977a6c 100644
--- a/libc/arch-arm64/syscalls/__signalfd4.S
+++ b/libc/arch-arm64/syscalls/__signalfd4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__signalfd4)
     mov     x8, __NR_signalfd4
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__socket.S b/libc/arch-arm64/syscalls/__socket.S
index db7f2aa..f8bb2ac 100644
--- a/libc/arch-arm64/syscalls/__socket.S
+++ b/libc/arch-arm64/syscalls/__socket.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__socket)
     mov     x8, __NR_socket
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__timer_create.S b/libc/arch-arm64/syscalls/__timer_create.S
index a5e69e3..bb54952 100644
--- a/libc/arch-arm64/syscalls/__timer_create.S
+++ b/libc/arch-arm64/syscalls/__timer_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_create)
     mov     x8, __NR_timer_create
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__timer_delete.S b/libc/arch-arm64/syscalls/__timer_delete.S
index 44a7481..47d82f2 100644
--- a/libc/arch-arm64/syscalls/__timer_delete.S
+++ b/libc/arch-arm64/syscalls/__timer_delete.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_delete)
     mov     x8, __NR_timer_delete
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__timer_getoverrun.S b/libc/arch-arm64/syscalls/__timer_getoverrun.S
index e1d959a..9c06112 100644
--- a/libc/arch-arm64/syscalls/__timer_getoverrun.S
+++ b/libc/arch-arm64/syscalls/__timer_getoverrun.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_getoverrun)
     mov     x8, __NR_timer_getoverrun
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__timer_gettime.S b/libc/arch-arm64/syscalls/__timer_gettime.S
index 7632290..e7c7cfe 100644
--- a/libc/arch-arm64/syscalls/__timer_gettime.S
+++ b/libc/arch-arm64/syscalls/__timer_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_gettime)
     mov     x8, __NR_timer_gettime
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__timer_settime.S b/libc/arch-arm64/syscalls/__timer_settime.S
index 92e4a76..d4a4996 100644
--- a/libc/arch-arm64/syscalls/__timer_settime.S
+++ b/libc/arch-arm64/syscalls/__timer_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__timer_settime)
     mov     x8, __NR_timer_settime
     svc     #0
diff --git a/libc/arch-arm64/syscalls/__waitid.S b/libc/arch-arm64/syscalls/__waitid.S
index 9267239..5bff488 100644
--- a/libc/arch-arm64/syscalls/__waitid.S
+++ b/libc/arch-arm64/syscalls/__waitid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(__waitid)
     mov     x8, __NR_waitid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/_exit.S b/libc/arch-arm64/syscalls/_exit.S
index 38b073b..e88e77a 100644
--- a/libc/arch-arm64/syscalls/_exit.S
+++ b/libc/arch-arm64/syscalls/_exit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(_exit)
     mov     x8, __NR_exit_group
     svc     #0
diff --git a/libc/arch-arm64/syscalls/acct.S b/libc/arch-arm64/syscalls/acct.S
index 15e3086..97a8a0c 100644
--- a/libc/arch-arm64/syscalls/acct.S
+++ b/libc/arch-arm64/syscalls/acct.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(acct)
     mov     x8, __NR_acct
     svc     #0
diff --git a/libc/arch-arm64/syscalls/bind.S b/libc/arch-arm64/syscalls/bind.S
index b3925db..1d6d901 100644
--- a/libc/arch-arm64/syscalls/bind.S
+++ b/libc/arch-arm64/syscalls/bind.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(bind)
     mov     x8, __NR_bind
     svc     #0
diff --git a/libc/arch-arm64/syscalls/capget.S b/libc/arch-arm64/syscalls/capget.S
index b897e5d..de84929 100644
--- a/libc/arch-arm64/syscalls/capget.S
+++ b/libc/arch-arm64/syscalls/capget.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capget)
     mov     x8, __NR_capget
     svc     #0
diff --git a/libc/arch-arm64/syscalls/capset.S b/libc/arch-arm64/syscalls/capset.S
index 1d94aa3..1616f8f 100644
--- a/libc/arch-arm64/syscalls/capset.S
+++ b/libc/arch-arm64/syscalls/capset.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(capset)
     mov     x8, __NR_capset
     svc     #0
diff --git a/libc/arch-arm64/syscalls/chdir.S b/libc/arch-arm64/syscalls/chdir.S
index a7bf6c2..ccaa2e2 100644
--- a/libc/arch-arm64/syscalls/chdir.S
+++ b/libc/arch-arm64/syscalls/chdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chdir)
     mov     x8, __NR_chdir
     svc     #0
diff --git a/libc/arch-arm64/syscalls/chroot.S b/libc/arch-arm64/syscalls/chroot.S
index 98bd5d1..bede172 100644
--- a/libc/arch-arm64/syscalls/chroot.S
+++ b/libc/arch-arm64/syscalls/chroot.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(chroot)
     mov     x8, __NR_chroot
     svc     #0
diff --git a/libc/arch-arm64/syscalls/clock_getres.S b/libc/arch-arm64/syscalls/clock_getres.S
index b6e7e56..3944a15 100644
--- a/libc/arch-arm64/syscalls/clock_getres.S
+++ b/libc/arch-arm64/syscalls/clock_getres.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_getres)
     mov     x8, __NR_clock_getres
     svc     #0
diff --git a/libc/arch-arm64/syscalls/clock_nanosleep.S b/libc/arch-arm64/syscalls/clock_nanosleep.S
index b64ff68..2182f67 100644
--- a/libc/arch-arm64/syscalls/clock_nanosleep.S
+++ b/libc/arch-arm64/syscalls/clock_nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_nanosleep)
     mov     x8, __NR_clock_nanosleep
     svc     #0
diff --git a/libc/arch-arm64/syscalls/clock_settime.S b/libc/arch-arm64/syscalls/clock_settime.S
index adc1680..14a662b 100644
--- a/libc/arch-arm64/syscalls/clock_settime.S
+++ b/libc/arch-arm64/syscalls/clock_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(clock_settime)
     mov     x8, __NR_clock_settime
     svc     #0
diff --git a/libc/arch-arm64/syscalls/close.S b/libc/arch-arm64/syscalls/close.S
index b4b72d9..da9a151 100644
--- a/libc/arch-arm64/syscalls/close.S
+++ b/libc/arch-arm64/syscalls/close.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(close)
     mov     x8, __NR_close
     svc     #0
diff --git a/libc/arch-arm64/syscalls/delete_module.S b/libc/arch-arm64/syscalls/delete_module.S
index ed51847..5dcd07f 100644
--- a/libc/arch-arm64/syscalls/delete_module.S
+++ b/libc/arch-arm64/syscalls/delete_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(delete_module)
     mov     x8, __NR_delete_module
     svc     #0
diff --git a/libc/arch-arm64/syscalls/dup.S b/libc/arch-arm64/syscalls/dup.S
index 9584c51..33a1b65 100644
--- a/libc/arch-arm64/syscalls/dup.S
+++ b/libc/arch-arm64/syscalls/dup.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup)
     mov     x8, __NR_dup
     svc     #0
diff --git a/libc/arch-arm64/syscalls/dup3.S b/libc/arch-arm64/syscalls/dup3.S
index e303fba..441fec9 100644
--- a/libc/arch-arm64/syscalls/dup3.S
+++ b/libc/arch-arm64/syscalls/dup3.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(dup3)
     mov     x8, __NR_dup3
     svc     #0
diff --git a/libc/arch-arm64/syscalls/epoll_create1.S b/libc/arch-arm64/syscalls/epoll_create1.S
index 4ca8bfa..d314f55 100644
--- a/libc/arch-arm64/syscalls/epoll_create1.S
+++ b/libc/arch-arm64/syscalls/epoll_create1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_create1)
     mov     x8, __NR_epoll_create1
     svc     #0
diff --git a/libc/arch-arm64/syscalls/epoll_ctl.S b/libc/arch-arm64/syscalls/epoll_ctl.S
index c1c0dba..004c066 100644
--- a/libc/arch-arm64/syscalls/epoll_ctl.S
+++ b/libc/arch-arm64/syscalls/epoll_ctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(epoll_ctl)
     mov     x8, __NR_epoll_ctl
     svc     #0
diff --git a/libc/arch-arm64/syscalls/eventfd.S b/libc/arch-arm64/syscalls/eventfd.S
index ace608e..11e97d0 100644
--- a/libc/arch-arm64/syscalls/eventfd.S
+++ b/libc/arch-arm64/syscalls/eventfd.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(eventfd)
     mov     x8, __NR_eventfd2
     svc     #0
diff --git a/libc/arch-arm64/syscalls/execve.S b/libc/arch-arm64/syscalls/execve.S
index ab0cb57..7b6d943 100644
--- a/libc/arch-arm64/syscalls/execve.S
+++ b/libc/arch-arm64/syscalls/execve.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(execve)
     mov     x8, __NR_execve
     svc     #0
diff --git a/libc/arch-arm64/syscalls/faccessat.S b/libc/arch-arm64/syscalls/faccessat.S
index 30a3852..7bd8665 100644
--- a/libc/arch-arm64/syscalls/faccessat.S
+++ b/libc/arch-arm64/syscalls/faccessat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(faccessat)
     mov     x8, __NR_faccessat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fallocate.S b/libc/arch-arm64/syscalls/fallocate.S
index 3092b34..d8795ae 100644
--- a/libc/arch-arm64/syscalls/fallocate.S
+++ b/libc/arch-arm64/syscalls/fallocate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fallocate)
     mov     x8, __NR_fallocate
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fchdir.S b/libc/arch-arm64/syscalls/fchdir.S
index f7687f8..7739fed 100644
--- a/libc/arch-arm64/syscalls/fchdir.S
+++ b/libc/arch-arm64/syscalls/fchdir.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchdir)
     mov     x8, __NR_fchdir
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fchmod.S b/libc/arch-arm64/syscalls/fchmod.S
index acc6718..3eec6cb 100644
--- a/libc/arch-arm64/syscalls/fchmod.S
+++ b/libc/arch-arm64/syscalls/fchmod.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmod)
     mov     x8, __NR_fchmod
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fchmodat.S b/libc/arch-arm64/syscalls/fchmodat.S
index 23c2fd5..f2f285e 100644
--- a/libc/arch-arm64/syscalls/fchmodat.S
+++ b/libc/arch-arm64/syscalls/fchmodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchmodat)
     mov     x8, __NR_fchmodat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fchown.S b/libc/arch-arm64/syscalls/fchown.S
index 8e9db62..a689ba0 100644
--- a/libc/arch-arm64/syscalls/fchown.S
+++ b/libc/arch-arm64/syscalls/fchown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchown)
     mov     x8, __NR_fchown
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fchownat.S b/libc/arch-arm64/syscalls/fchownat.S
index 3cf2c3d..7ede083 100644
--- a/libc/arch-arm64/syscalls/fchownat.S
+++ b/libc/arch-arm64/syscalls/fchownat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fchownat)
     mov     x8, __NR_fchownat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fcntl.S b/libc/arch-arm64/syscalls/fcntl.S
index 45eff74..257c765 100644
--- a/libc/arch-arm64/syscalls/fcntl.S
+++ b/libc/arch-arm64/syscalls/fcntl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fcntl)
     mov     x8, __NR_fcntl
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fdatasync.S b/libc/arch-arm64/syscalls/fdatasync.S
index 77b76c4..233abda 100644
--- a/libc/arch-arm64/syscalls/fdatasync.S
+++ b/libc/arch-arm64/syscalls/fdatasync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fdatasync)
     mov     x8, __NR_fdatasync
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fgetxattr.S b/libc/arch-arm64/syscalls/fgetxattr.S
index 1f8edb6..bd579ff 100644
--- a/libc/arch-arm64/syscalls/fgetxattr.S
+++ b/libc/arch-arm64/syscalls/fgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fgetxattr)
     mov     x8, __NR_fgetxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/flistxattr.S b/libc/arch-arm64/syscalls/flistxattr.S
index 997529e..95ccbe2 100644
--- a/libc/arch-arm64/syscalls/flistxattr.S
+++ b/libc/arch-arm64/syscalls/flistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flistxattr)
     mov     x8, __NR_flistxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/flock.S b/libc/arch-arm64/syscalls/flock.S
index 0e1c3f5..2151d6c 100644
--- a/libc/arch-arm64/syscalls/flock.S
+++ b/libc/arch-arm64/syscalls/flock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(flock)
     mov     x8, __NR_flock
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fremovexattr.S b/libc/arch-arm64/syscalls/fremovexattr.S
index d43430f..8dd107d 100644
--- a/libc/arch-arm64/syscalls/fremovexattr.S
+++ b/libc/arch-arm64/syscalls/fremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fremovexattr)
     mov     x8, __NR_fremovexattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fsetxattr.S b/libc/arch-arm64/syscalls/fsetxattr.S
index f40f875..9e54686 100644
--- a/libc/arch-arm64/syscalls/fsetxattr.S
+++ b/libc/arch-arm64/syscalls/fsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsetxattr)
     mov     x8, __NR_fsetxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fstat64.S b/libc/arch-arm64/syscalls/fstat64.S
index 9afe95b..f354e13 100644
--- a/libc/arch-arm64/syscalls/fstat64.S
+++ b/libc/arch-arm64/syscalls/fstat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstat64)
     mov     x8, __NR_fstat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fstatat64.S b/libc/arch-arm64/syscalls/fstatat64.S
index 30efd3b..2fe056e 100644
--- a/libc/arch-arm64/syscalls/fstatat64.S
+++ b/libc/arch-arm64/syscalls/fstatat64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstatat64)
     mov     x8, __NR_newfstatat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fstatfs64.S b/libc/arch-arm64/syscalls/fstatfs64.S
index 67ae67e..c67ffd6 100644
--- a/libc/arch-arm64/syscalls/fstatfs64.S
+++ b/libc/arch-arm64/syscalls/fstatfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fstatfs64)
     mov     x8, __NR_fstatfs
     svc     #0
diff --git a/libc/arch-arm64/syscalls/fsync.S b/libc/arch-arm64/syscalls/fsync.S
index e22589e..ae2fc61 100644
--- a/libc/arch-arm64/syscalls/fsync.S
+++ b/libc/arch-arm64/syscalls/fsync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(fsync)
     mov     x8, __NR_fsync
     svc     #0
diff --git a/libc/arch-arm64/syscalls/ftruncate.S b/libc/arch-arm64/syscalls/ftruncate.S
index b45a170..adf87fe 100644
--- a/libc/arch-arm64/syscalls/ftruncate.S
+++ b/libc/arch-arm64/syscalls/ftruncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(ftruncate)
     mov     x8, __NR_ftruncate
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getegid.S b/libc/arch-arm64/syscalls/getegid.S
index 675731c..5066cae 100644
--- a/libc/arch-arm64/syscalls/getegid.S
+++ b/libc/arch-arm64/syscalls/getegid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getegid)
     mov     x8, __NR_getegid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/geteuid.S b/libc/arch-arm64/syscalls/geteuid.S
index 8d9461e..25b1ea9 100644
--- a/libc/arch-arm64/syscalls/geteuid.S
+++ b/libc/arch-arm64/syscalls/geteuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(geteuid)
     mov     x8, __NR_geteuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getgid.S b/libc/arch-arm64/syscalls/getgid.S
index 4653fd8..3f49cb4 100644
--- a/libc/arch-arm64/syscalls/getgid.S
+++ b/libc/arch-arm64/syscalls/getgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgid)
     mov     x8, __NR_getgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getgroups.S b/libc/arch-arm64/syscalls/getgroups.S
index f22f1e9..3df4974 100644
--- a/libc/arch-arm64/syscalls/getgroups.S
+++ b/libc/arch-arm64/syscalls/getgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getgroups)
     mov     x8, __NR_getgroups
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getitimer.S b/libc/arch-arm64/syscalls/getitimer.S
index 25d0b38..70cb731 100644
--- a/libc/arch-arm64/syscalls/getitimer.S
+++ b/libc/arch-arm64/syscalls/getitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getitimer)
     mov     x8, __NR_getitimer
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getpeername.S b/libc/arch-arm64/syscalls/getpeername.S
index aefd0c5..eefb24a 100644
--- a/libc/arch-arm64/syscalls/getpeername.S
+++ b/libc/arch-arm64/syscalls/getpeername.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpeername)
     mov     x8, __NR_getpeername
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getpgid.S b/libc/arch-arm64/syscalls/getpgid.S
index 4c750fb..d12ac52 100644
--- a/libc/arch-arm64/syscalls/getpgid.S
+++ b/libc/arch-arm64/syscalls/getpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getpgid)
     mov     x8, __NR_getpgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getppid.S b/libc/arch-arm64/syscalls/getppid.S
index 540ecc4..af8965b 100644
--- a/libc/arch-arm64/syscalls/getppid.S
+++ b/libc/arch-arm64/syscalls/getppid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getppid)
     mov     x8, __NR_getppid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getresgid.S b/libc/arch-arm64/syscalls/getresgid.S
index 3ce5799..3c1c0c0 100644
--- a/libc/arch-arm64/syscalls/getresgid.S
+++ b/libc/arch-arm64/syscalls/getresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresgid)
     mov     x8, __NR_getresgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getresuid.S b/libc/arch-arm64/syscalls/getresuid.S
index 56851cc..f50e060 100644
--- a/libc/arch-arm64/syscalls/getresuid.S
+++ b/libc/arch-arm64/syscalls/getresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getresuid)
     mov     x8, __NR_getresuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getrlimit.S b/libc/arch-arm64/syscalls/getrlimit.S
index 1f74773..b759912 100644
--- a/libc/arch-arm64/syscalls/getrlimit.S
+++ b/libc/arch-arm64/syscalls/getrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrlimit)
     mov     x8, __NR_getrlimit
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getrusage.S b/libc/arch-arm64/syscalls/getrusage.S
index 8154e4a..1a0d30f 100644
--- a/libc/arch-arm64/syscalls/getrusage.S
+++ b/libc/arch-arm64/syscalls/getrusage.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getrusage)
     mov     x8, __NR_getrusage
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getsid.S b/libc/arch-arm64/syscalls/getsid.S
index f99623f..3c3d753 100644
--- a/libc/arch-arm64/syscalls/getsid.S
+++ b/libc/arch-arm64/syscalls/getsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsid)
     mov     x8, __NR_getsid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getsockname.S b/libc/arch-arm64/syscalls/getsockname.S
index e8bc006..a337986 100644
--- a/libc/arch-arm64/syscalls/getsockname.S
+++ b/libc/arch-arm64/syscalls/getsockname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockname)
     mov     x8, __NR_getsockname
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getsockopt.S b/libc/arch-arm64/syscalls/getsockopt.S
index 4559d1d..4b3abd5 100644
--- a/libc/arch-arm64/syscalls/getsockopt.S
+++ b/libc/arch-arm64/syscalls/getsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getsockopt)
     mov     x8, __NR_getsockopt
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getuid.S b/libc/arch-arm64/syscalls/getuid.S
index 4e37d47..a9193c5 100644
--- a/libc/arch-arm64/syscalls/getuid.S
+++ b/libc/arch-arm64/syscalls/getuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getuid)
     mov     x8, __NR_getuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/getxattr.S b/libc/arch-arm64/syscalls/getxattr.S
index 3f69956..afa81ef 100644
--- a/libc/arch-arm64/syscalls/getxattr.S
+++ b/libc/arch-arm64/syscalls/getxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(getxattr)
     mov     x8, __NR_getxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/init_module.S b/libc/arch-arm64/syscalls/init_module.S
index cc1a0da..bf0f7d3 100644
--- a/libc/arch-arm64/syscalls/init_module.S
+++ b/libc/arch-arm64/syscalls/init_module.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(init_module)
     mov     x8, __NR_init_module
     svc     #0
diff --git a/libc/arch-arm64/syscalls/inotify_add_watch.S b/libc/arch-arm64/syscalls/inotify_add_watch.S
index fbc8dd4..dc30ae5 100644
--- a/libc/arch-arm64/syscalls/inotify_add_watch.S
+++ b/libc/arch-arm64/syscalls/inotify_add_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_add_watch)
     mov     x8, __NR_inotify_add_watch
     svc     #0
diff --git a/libc/arch-arm64/syscalls/inotify_init1.S b/libc/arch-arm64/syscalls/inotify_init1.S
index 5726d0c..1b40ef2 100644
--- a/libc/arch-arm64/syscalls/inotify_init1.S
+++ b/libc/arch-arm64/syscalls/inotify_init1.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_init1)
     mov     x8, __NR_inotify_init1
     svc     #0
diff --git a/libc/arch-arm64/syscalls/inotify_rm_watch.S b/libc/arch-arm64/syscalls/inotify_rm_watch.S
index 37eabcf..7c99e86 100644
--- a/libc/arch-arm64/syscalls/inotify_rm_watch.S
+++ b/libc/arch-arm64/syscalls/inotify_rm_watch.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(inotify_rm_watch)
     mov     x8, __NR_inotify_rm_watch
     svc     #0
diff --git a/libc/arch-arm64/syscalls/kill.S b/libc/arch-arm64/syscalls/kill.S
index 7fc2c5a..e86e3a4 100644
--- a/libc/arch-arm64/syscalls/kill.S
+++ b/libc/arch-arm64/syscalls/kill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(kill)
     mov     x8, __NR_kill
     svc     #0
diff --git a/libc/arch-arm64/syscalls/klogctl.S b/libc/arch-arm64/syscalls/klogctl.S
index abbee55..567db27 100644
--- a/libc/arch-arm64/syscalls/klogctl.S
+++ b/libc/arch-arm64/syscalls/klogctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(klogctl)
     mov     x8, __NR_syslog
     svc     #0
diff --git a/libc/arch-arm64/syscalls/lgetxattr.S b/libc/arch-arm64/syscalls/lgetxattr.S
index e1a760c..187462a 100644
--- a/libc/arch-arm64/syscalls/lgetxattr.S
+++ b/libc/arch-arm64/syscalls/lgetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lgetxattr)
     mov     x8, __NR_lgetxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/linkat.S b/libc/arch-arm64/syscalls/linkat.S
index c3e2cd8..7cfc2e0 100644
--- a/libc/arch-arm64/syscalls/linkat.S
+++ b/libc/arch-arm64/syscalls/linkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(linkat)
     mov     x8, __NR_linkat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/listen.S b/libc/arch-arm64/syscalls/listen.S
index 9b7be28..028b9bd 100644
--- a/libc/arch-arm64/syscalls/listen.S
+++ b/libc/arch-arm64/syscalls/listen.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listen)
     mov     x8, __NR_listen
     svc     #0
diff --git a/libc/arch-arm64/syscalls/listxattr.S b/libc/arch-arm64/syscalls/listxattr.S
index a5e55c7..335fafe 100644
--- a/libc/arch-arm64/syscalls/listxattr.S
+++ b/libc/arch-arm64/syscalls/listxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(listxattr)
     mov     x8, __NR_listxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/llistxattr.S b/libc/arch-arm64/syscalls/llistxattr.S
index 447e208..e796741 100644
--- a/libc/arch-arm64/syscalls/llistxattr.S
+++ b/libc/arch-arm64/syscalls/llistxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(llistxattr)
     mov     x8, __NR_llistxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/lremovexattr.S b/libc/arch-arm64/syscalls/lremovexattr.S
index 1f620db..9f4c027 100644
--- a/libc/arch-arm64/syscalls/lremovexattr.S
+++ b/libc/arch-arm64/syscalls/lremovexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lremovexattr)
     mov     x8, __NR_lremovexattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/lseek.S b/libc/arch-arm64/syscalls/lseek.S
index 1b858b2..aa71768 100644
--- a/libc/arch-arm64/syscalls/lseek.S
+++ b/libc/arch-arm64/syscalls/lseek.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lseek)
     mov     x8, __NR_lseek
     svc     #0
diff --git a/libc/arch-arm64/syscalls/lsetxattr.S b/libc/arch-arm64/syscalls/lsetxattr.S
index 8315bba..babf02d 100644
--- a/libc/arch-arm64/syscalls/lsetxattr.S
+++ b/libc/arch-arm64/syscalls/lsetxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(lsetxattr)
     mov     x8, __NR_lsetxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/madvise.S b/libc/arch-arm64/syscalls/madvise.S
index 17282c0..3d393f1 100644
--- a/libc/arch-arm64/syscalls/madvise.S
+++ b/libc/arch-arm64/syscalls/madvise.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(madvise)
     mov     x8, __NR_madvise
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mincore.S b/libc/arch-arm64/syscalls/mincore.S
index abdcf6c..4432574 100644
--- a/libc/arch-arm64/syscalls/mincore.S
+++ b/libc/arch-arm64/syscalls/mincore.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mincore)
     mov     x8, __NR_mincore
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mkdirat.S b/libc/arch-arm64/syscalls/mkdirat.S
index d6bafca..36c876d 100644
--- a/libc/arch-arm64/syscalls/mkdirat.S
+++ b/libc/arch-arm64/syscalls/mkdirat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mkdirat)
     mov     x8, __NR_mkdirat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mknodat.S b/libc/arch-arm64/syscalls/mknodat.S
index 598e789..e0584db 100644
--- a/libc/arch-arm64/syscalls/mknodat.S
+++ b/libc/arch-arm64/syscalls/mknodat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mknodat)
     mov     x8, __NR_mknodat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mlock.S b/libc/arch-arm64/syscalls/mlock.S
index 631ce02..10ddb07 100644
--- a/libc/arch-arm64/syscalls/mlock.S
+++ b/libc/arch-arm64/syscalls/mlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlock)
     mov     x8, __NR_mlock
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mlockall.S b/libc/arch-arm64/syscalls/mlockall.S
index 42dac9e..3602d71 100644
--- a/libc/arch-arm64/syscalls/mlockall.S
+++ b/libc/arch-arm64/syscalls/mlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mlockall)
     mov     x8, __NR_mlockall
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mmap.S b/libc/arch-arm64/syscalls/mmap.S
index da18e10..e4e39ca 100644
--- a/libc/arch-arm64/syscalls/mmap.S
+++ b/libc/arch-arm64/syscalls/mmap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mmap)
     mov     x8, __NR_mmap
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mount.S b/libc/arch-arm64/syscalls/mount.S
index c43a71f..9b53754 100644
--- a/libc/arch-arm64/syscalls/mount.S
+++ b/libc/arch-arm64/syscalls/mount.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mount)
     mov     x8, __NR_mount
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mprotect.S b/libc/arch-arm64/syscalls/mprotect.S
index a7d26dd..788d46e 100644
--- a/libc/arch-arm64/syscalls/mprotect.S
+++ b/libc/arch-arm64/syscalls/mprotect.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mprotect)
     mov     x8, __NR_mprotect
     svc     #0
diff --git a/libc/arch-arm64/syscalls/mremap.S b/libc/arch-arm64/syscalls/mremap.S
index 337bbae..861d52a 100644
--- a/libc/arch-arm64/syscalls/mremap.S
+++ b/libc/arch-arm64/syscalls/mremap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(mremap)
     mov     x8, __NR_mremap
     svc     #0
diff --git a/libc/arch-arm64/syscalls/msync.S b/libc/arch-arm64/syscalls/msync.S
index c54797e..009ce18 100644
--- a/libc/arch-arm64/syscalls/msync.S
+++ b/libc/arch-arm64/syscalls/msync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(msync)
     mov     x8, __NR_msync
     svc     #0
diff --git a/libc/arch-arm64/syscalls/munlock.S b/libc/arch-arm64/syscalls/munlock.S
index b1ec016..45d6d17 100644
--- a/libc/arch-arm64/syscalls/munlock.S
+++ b/libc/arch-arm64/syscalls/munlock.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlock)
     mov     x8, __NR_munlock
     svc     #0
diff --git a/libc/arch-arm64/syscalls/munlockall.S b/libc/arch-arm64/syscalls/munlockall.S
index f9162a8..6240622 100644
--- a/libc/arch-arm64/syscalls/munlockall.S
+++ b/libc/arch-arm64/syscalls/munlockall.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munlockall)
     mov     x8, __NR_munlockall
     svc     #0
diff --git a/libc/arch-arm64/syscalls/munmap.S b/libc/arch-arm64/syscalls/munmap.S
index 6bd5afe..0291268 100644
--- a/libc/arch-arm64/syscalls/munmap.S
+++ b/libc/arch-arm64/syscalls/munmap.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(munmap)
     mov     x8, __NR_munmap
     svc     #0
diff --git a/libc/arch-arm64/syscalls/nanosleep.S b/libc/arch-arm64/syscalls/nanosleep.S
index c84accc..7496530 100644
--- a/libc/arch-arm64/syscalls/nanosleep.S
+++ b/libc/arch-arm64/syscalls/nanosleep.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(nanosleep)
     mov     x8, __NR_nanosleep
     svc     #0
diff --git a/libc/arch-arm64/syscalls/personality.S b/libc/arch-arm64/syscalls/personality.S
index 02bcf9b..1c6530c 100644
--- a/libc/arch-arm64/syscalls/personality.S
+++ b/libc/arch-arm64/syscalls/personality.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(personality)
     mov     x8, __NR_personality
     svc     #0
diff --git a/libc/arch-arm64/syscalls/pipe2.S b/libc/arch-arm64/syscalls/pipe2.S
index f4da37d..45538d3 100644
--- a/libc/arch-arm64/syscalls/pipe2.S
+++ b/libc/arch-arm64/syscalls/pipe2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pipe2)
     mov     x8, __NR_pipe2
     svc     #0
diff --git a/libc/arch-arm64/syscalls/prctl.S b/libc/arch-arm64/syscalls/prctl.S
index 2e6dca7..ddfe5a6 100644
--- a/libc/arch-arm64/syscalls/prctl.S
+++ b/libc/arch-arm64/syscalls/prctl.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prctl)
     mov     x8, __NR_prctl
     svc     #0
diff --git a/libc/arch-arm64/syscalls/pread64.S b/libc/arch-arm64/syscalls/pread64.S
index 2aba596..9c2fb34 100644
--- a/libc/arch-arm64/syscalls/pread64.S
+++ b/libc/arch-arm64/syscalls/pread64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pread64)
     mov     x8, __NR_pread64
     svc     #0
diff --git a/libc/arch-arm64/syscalls/prlimit64.S b/libc/arch-arm64/syscalls/prlimit64.S
index a2173d9..d3e07b9 100644
--- a/libc/arch-arm64/syscalls/prlimit64.S
+++ b/libc/arch-arm64/syscalls/prlimit64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(prlimit64)
     mov     x8, __NR_prlimit64
     svc     #0
diff --git a/libc/arch-arm64/syscalls/pwrite64.S b/libc/arch-arm64/syscalls/pwrite64.S
index 5674a7c..33ae24b 100644
--- a/libc/arch-arm64/syscalls/pwrite64.S
+++ b/libc/arch-arm64/syscalls/pwrite64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(pwrite64)
     mov     x8, __NR_pwrite64
     svc     #0
diff --git a/libc/arch-arm64/syscalls/read.S b/libc/arch-arm64/syscalls/read.S
index 906fb98..3440391 100644
--- a/libc/arch-arm64/syscalls/read.S
+++ b/libc/arch-arm64/syscalls/read.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(read)
     mov     x8, __NR_read
     svc     #0
diff --git a/libc/arch-arm64/syscalls/readahead.S b/libc/arch-arm64/syscalls/readahead.S
index 2994b83..73683f2 100644
--- a/libc/arch-arm64/syscalls/readahead.S
+++ b/libc/arch-arm64/syscalls/readahead.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readahead)
     mov     x8, __NR_readahead
     svc     #0
diff --git a/libc/arch-arm64/syscalls/readlinkat.S b/libc/arch-arm64/syscalls/readlinkat.S
index 1782c94..1a89d21 100644
--- a/libc/arch-arm64/syscalls/readlinkat.S
+++ b/libc/arch-arm64/syscalls/readlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readlinkat)
     mov     x8, __NR_readlinkat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/readv.S b/libc/arch-arm64/syscalls/readv.S
index bc988d4..b5d154a 100644
--- a/libc/arch-arm64/syscalls/readv.S
+++ b/libc/arch-arm64/syscalls/readv.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(readv)
     mov     x8, __NR_readv
     svc     #0
diff --git a/libc/arch-arm64/syscalls/recvfrom.S b/libc/arch-arm64/syscalls/recvfrom.S
index 16f97d5..80bc1aa 100644
--- a/libc/arch-arm64/syscalls/recvfrom.S
+++ b/libc/arch-arm64/syscalls/recvfrom.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvfrom)
     mov     x8, __NR_recvfrom
     svc     #0
diff --git a/libc/arch-arm64/syscalls/recvmmsg.S b/libc/arch-arm64/syscalls/recvmmsg.S
index bd1495a..aa69442 100644
--- a/libc/arch-arm64/syscalls/recvmmsg.S
+++ b/libc/arch-arm64/syscalls/recvmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmmsg)
     mov     x8, __NR_recvmmsg
     svc     #0
diff --git a/libc/arch-arm64/syscalls/recvmsg.S b/libc/arch-arm64/syscalls/recvmsg.S
index c9b78c4..095e2aa 100644
--- a/libc/arch-arm64/syscalls/recvmsg.S
+++ b/libc/arch-arm64/syscalls/recvmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(recvmsg)
     mov     x8, __NR_recvmsg
     svc     #0
diff --git a/libc/arch-arm64/syscalls/removexattr.S b/libc/arch-arm64/syscalls/removexattr.S
index c12cc84..f279f01 100644
--- a/libc/arch-arm64/syscalls/removexattr.S
+++ b/libc/arch-arm64/syscalls/removexattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(removexattr)
     mov     x8, __NR_removexattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/renameat.S b/libc/arch-arm64/syscalls/renameat.S
index cf79472..7c308cd 100644
--- a/libc/arch-arm64/syscalls/renameat.S
+++ b/libc/arch-arm64/syscalls/renameat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(renameat)
     mov     x8, __NR_renameat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_get_priority_max.S b/libc/arch-arm64/syscalls/sched_get_priority_max.S
index 672d0ea..e80ce35 100644
--- a/libc/arch-arm64/syscalls/sched_get_priority_max.S
+++ b/libc/arch-arm64/syscalls/sched_get_priority_max.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_max)
     mov     x8, __NR_sched_get_priority_max
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_get_priority_min.S b/libc/arch-arm64/syscalls/sched_get_priority_min.S
index f5cf1f3..3f5f487 100644
--- a/libc/arch-arm64/syscalls/sched_get_priority_min.S
+++ b/libc/arch-arm64/syscalls/sched_get_priority_min.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_get_priority_min)
     mov     x8, __NR_sched_get_priority_min
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_getparam.S b/libc/arch-arm64/syscalls/sched_getparam.S
index 7ffe8fb..1756867 100644
--- a/libc/arch-arm64/syscalls/sched_getparam.S
+++ b/libc/arch-arm64/syscalls/sched_getparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getparam)
     mov     x8, __NR_sched_getparam
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_getscheduler.S b/libc/arch-arm64/syscalls/sched_getscheduler.S
index b69b8c0..8fa145f 100644
--- a/libc/arch-arm64/syscalls/sched_getscheduler.S
+++ b/libc/arch-arm64/syscalls/sched_getscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_getscheduler)
     mov     x8, __NR_sched_getscheduler
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_rr_get_interval.S b/libc/arch-arm64/syscalls/sched_rr_get_interval.S
index 0be14ba..7ff393c 100644
--- a/libc/arch-arm64/syscalls/sched_rr_get_interval.S
+++ b/libc/arch-arm64/syscalls/sched_rr_get_interval.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_rr_get_interval)
     mov     x8, __NR_sched_rr_get_interval
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_setaffinity.S b/libc/arch-arm64/syscalls/sched_setaffinity.S
index f5cbc77..2878459 100644
--- a/libc/arch-arm64/syscalls/sched_setaffinity.S
+++ b/libc/arch-arm64/syscalls/sched_setaffinity.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setaffinity)
     mov     x8, __NR_sched_setaffinity
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_setparam.S b/libc/arch-arm64/syscalls/sched_setparam.S
index cff64f5..4135606 100644
--- a/libc/arch-arm64/syscalls/sched_setparam.S
+++ b/libc/arch-arm64/syscalls/sched_setparam.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setparam)
     mov     x8, __NR_sched_setparam
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_setscheduler.S b/libc/arch-arm64/syscalls/sched_setscheduler.S
index 31600a0..e8f991c 100644
--- a/libc/arch-arm64/syscalls/sched_setscheduler.S
+++ b/libc/arch-arm64/syscalls/sched_setscheduler.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_setscheduler)
     mov     x8, __NR_sched_setscheduler
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sched_yield.S b/libc/arch-arm64/syscalls/sched_yield.S
index 21ad601..cd6a978 100644
--- a/libc/arch-arm64/syscalls/sched_yield.S
+++ b/libc/arch-arm64/syscalls/sched_yield.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sched_yield)
     mov     x8, __NR_sched_yield
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sendfile.S b/libc/arch-arm64/syscalls/sendfile.S
index db90caa..c579224 100644
--- a/libc/arch-arm64/syscalls/sendfile.S
+++ b/libc/arch-arm64/syscalls/sendfile.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendfile)
     mov     x8, __NR_sendfile
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sendmmsg.S b/libc/arch-arm64/syscalls/sendmmsg.S
index e85798a..e9ce811 100644
--- a/libc/arch-arm64/syscalls/sendmmsg.S
+++ b/libc/arch-arm64/syscalls/sendmmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmmsg)
     mov     x8, __NR_sendmmsg
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sendmsg.S b/libc/arch-arm64/syscalls/sendmsg.S
index 25eff84..78c5e68 100644
--- a/libc/arch-arm64/syscalls/sendmsg.S
+++ b/libc/arch-arm64/syscalls/sendmsg.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendmsg)
     mov     x8, __NR_sendmsg
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sendto.S b/libc/arch-arm64/syscalls/sendto.S
index 39e4e4e..a3ef95d 100644
--- a/libc/arch-arm64/syscalls/sendto.S
+++ b/libc/arch-arm64/syscalls/sendto.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sendto)
     mov     x8, __NR_sendto
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setfsgid.S b/libc/arch-arm64/syscalls/setfsgid.S
index d2f29ab..4d28536 100644
--- a/libc/arch-arm64/syscalls/setfsgid.S
+++ b/libc/arch-arm64/syscalls/setfsgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsgid)
     mov     x8, __NR_setfsgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setfsuid.S b/libc/arch-arm64/syscalls/setfsuid.S
index 852f97c..238bbf8 100644
--- a/libc/arch-arm64/syscalls/setfsuid.S
+++ b/libc/arch-arm64/syscalls/setfsuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setfsuid)
     mov     x8, __NR_setfsuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setgid.S b/libc/arch-arm64/syscalls/setgid.S
index a9789f7..182ce1f 100644
--- a/libc/arch-arm64/syscalls/setgid.S
+++ b/libc/arch-arm64/syscalls/setgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgid)
     mov     x8, __NR_setgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setgroups.S b/libc/arch-arm64/syscalls/setgroups.S
index ce9bf01..2bc5c7f 100644
--- a/libc/arch-arm64/syscalls/setgroups.S
+++ b/libc/arch-arm64/syscalls/setgroups.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setgroups)
     mov     x8, __NR_setgroups
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setitimer.S b/libc/arch-arm64/syscalls/setitimer.S
index d8e3d7e..1a5bbb3 100644
--- a/libc/arch-arm64/syscalls/setitimer.S
+++ b/libc/arch-arm64/syscalls/setitimer.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setitimer)
     mov     x8, __NR_setitimer
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setns.S b/libc/arch-arm64/syscalls/setns.S
index 615f888..68c32da 100644
--- a/libc/arch-arm64/syscalls/setns.S
+++ b/libc/arch-arm64/syscalls/setns.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setns)
     mov     x8, __NR_setns
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setpgid.S b/libc/arch-arm64/syscalls/setpgid.S
index 6015264..890d354 100644
--- a/libc/arch-arm64/syscalls/setpgid.S
+++ b/libc/arch-arm64/syscalls/setpgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpgid)
     mov     x8, __NR_setpgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setpriority.S b/libc/arch-arm64/syscalls/setpriority.S
index d2f517e..17550ea 100644
--- a/libc/arch-arm64/syscalls/setpriority.S
+++ b/libc/arch-arm64/syscalls/setpriority.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setpriority)
     mov     x8, __NR_setpriority
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setregid.S b/libc/arch-arm64/syscalls/setregid.S
index 7b333bf..aa351a8 100644
--- a/libc/arch-arm64/syscalls/setregid.S
+++ b/libc/arch-arm64/syscalls/setregid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setregid)
     mov     x8, __NR_setregid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setresgid.S b/libc/arch-arm64/syscalls/setresgid.S
index 39504bd..517e59e 100644
--- a/libc/arch-arm64/syscalls/setresgid.S
+++ b/libc/arch-arm64/syscalls/setresgid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresgid)
     mov     x8, __NR_setresgid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setresuid.S b/libc/arch-arm64/syscalls/setresuid.S
index 5acbffd..6829cef 100644
--- a/libc/arch-arm64/syscalls/setresuid.S
+++ b/libc/arch-arm64/syscalls/setresuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setresuid)
     mov     x8, __NR_setresuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setreuid.S b/libc/arch-arm64/syscalls/setreuid.S
index 63630d6..af342ef 100644
--- a/libc/arch-arm64/syscalls/setreuid.S
+++ b/libc/arch-arm64/syscalls/setreuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setreuid)
     mov     x8, __NR_setreuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setrlimit.S b/libc/arch-arm64/syscalls/setrlimit.S
index f9f56a6..4401984 100644
--- a/libc/arch-arm64/syscalls/setrlimit.S
+++ b/libc/arch-arm64/syscalls/setrlimit.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setrlimit)
     mov     x8, __NR_setrlimit
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setsid.S b/libc/arch-arm64/syscalls/setsid.S
index 04c28e3..64c76f2 100644
--- a/libc/arch-arm64/syscalls/setsid.S
+++ b/libc/arch-arm64/syscalls/setsid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsid)
     mov     x8, __NR_setsid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setsockopt.S b/libc/arch-arm64/syscalls/setsockopt.S
index 0ebc6d0..51af847 100644
--- a/libc/arch-arm64/syscalls/setsockopt.S
+++ b/libc/arch-arm64/syscalls/setsockopt.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setsockopt)
     mov     x8, __NR_setsockopt
     svc     #0
diff --git a/libc/arch-arm64/syscalls/settimeofday.S b/libc/arch-arm64/syscalls/settimeofday.S
index 474e40d..357998c 100644
--- a/libc/arch-arm64/syscalls/settimeofday.S
+++ b/libc/arch-arm64/syscalls/settimeofday.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(settimeofday)
     mov     x8, __NR_settimeofday
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setuid.S b/libc/arch-arm64/syscalls/setuid.S
index fe52921..ad42434 100644
--- a/libc/arch-arm64/syscalls/setuid.S
+++ b/libc/arch-arm64/syscalls/setuid.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setuid)
     mov     x8, __NR_setuid
     svc     #0
diff --git a/libc/arch-arm64/syscalls/setxattr.S b/libc/arch-arm64/syscalls/setxattr.S
index 8d0b415..cde2d5f 100644
--- a/libc/arch-arm64/syscalls/setxattr.S
+++ b/libc/arch-arm64/syscalls/setxattr.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(setxattr)
     mov     x8, __NR_setxattr
     svc     #0
diff --git a/libc/arch-arm64/syscalls/shutdown.S b/libc/arch-arm64/syscalls/shutdown.S
index e35cdea..4813647 100644
--- a/libc/arch-arm64/syscalls/shutdown.S
+++ b/libc/arch-arm64/syscalls/shutdown.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(shutdown)
     mov     x8, __NR_shutdown
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sigaltstack.S b/libc/arch-arm64/syscalls/sigaltstack.S
index 6a38203..74f7e50 100644
--- a/libc/arch-arm64/syscalls/sigaltstack.S
+++ b/libc/arch-arm64/syscalls/sigaltstack.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sigaltstack)
     mov     x8, __NR_sigaltstack
     svc     #0
diff --git a/libc/arch-arm64/syscalls/socketpair.S b/libc/arch-arm64/syscalls/socketpair.S
index dcd7223..ec2a3d2 100644
--- a/libc/arch-arm64/syscalls/socketpair.S
+++ b/libc/arch-arm64/syscalls/socketpair.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(socketpair)
     mov     x8, __NR_socketpair
     svc     #0
diff --git a/libc/arch-arm64/syscalls/splice.S b/libc/arch-arm64/syscalls/splice.S
index 103805a..30443a8 100644
--- a/libc/arch-arm64/syscalls/splice.S
+++ b/libc/arch-arm64/syscalls/splice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(splice)
     mov     x8, __NR_splice
     svc     #0
diff --git a/libc/arch-arm64/syscalls/statfs64.S b/libc/arch-arm64/syscalls/statfs64.S
index 55633c1..00b32e7 100644
--- a/libc/arch-arm64/syscalls/statfs64.S
+++ b/libc/arch-arm64/syscalls/statfs64.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(statfs64)
     mov     x8, __NR_statfs
     svc     #0
diff --git a/libc/arch-arm64/syscalls/swapoff.S b/libc/arch-arm64/syscalls/swapoff.S
index dcef4af..54dabb5 100644
--- a/libc/arch-arm64/syscalls/swapoff.S
+++ b/libc/arch-arm64/syscalls/swapoff.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapoff)
     mov     x8, __NR_swapoff
     svc     #0
diff --git a/libc/arch-arm64/syscalls/swapon.S b/libc/arch-arm64/syscalls/swapon.S
index aef7627..952252f 100644
--- a/libc/arch-arm64/syscalls/swapon.S
+++ b/libc/arch-arm64/syscalls/swapon.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(swapon)
     mov     x8, __NR_swapon
     svc     #0
diff --git a/libc/arch-arm64/syscalls/symlinkat.S b/libc/arch-arm64/syscalls/symlinkat.S
index 9830865..27f9334 100644
--- a/libc/arch-arm64/syscalls/symlinkat.S
+++ b/libc/arch-arm64/syscalls/symlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(symlinkat)
     mov     x8, __NR_symlinkat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sync.S b/libc/arch-arm64/syscalls/sync.S
index 3ef0460..622b028 100644
--- a/libc/arch-arm64/syscalls/sync.S
+++ b/libc/arch-arm64/syscalls/sync.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sync)
     mov     x8, __NR_sync
     svc     #0
diff --git a/libc/arch-arm64/syscalls/sysinfo.S b/libc/arch-arm64/syscalls/sysinfo.S
index 7dbe152..81d8a94 100644
--- a/libc/arch-arm64/syscalls/sysinfo.S
+++ b/libc/arch-arm64/syscalls/sysinfo.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(sysinfo)
     mov     x8, __NR_sysinfo
     svc     #0
diff --git a/libc/arch-arm64/syscalls/tee.S b/libc/arch-arm64/syscalls/tee.S
index d730076..cb317aa 100644
--- a/libc/arch-arm64/syscalls/tee.S
+++ b/libc/arch-arm64/syscalls/tee.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tee)
     mov     x8, __NR_tee
     svc     #0
diff --git a/libc/arch-arm64/syscalls/tgkill.S b/libc/arch-arm64/syscalls/tgkill.S
index 477c477..908811d 100644
--- a/libc/arch-arm64/syscalls/tgkill.S
+++ b/libc/arch-arm64/syscalls/tgkill.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(tgkill)
     mov     x8, __NR_tgkill
     svc     #0
diff --git a/libc/arch-arm64/syscalls/timerfd_create.S b/libc/arch-arm64/syscalls/timerfd_create.S
index 83b5910..5487492 100644
--- a/libc/arch-arm64/syscalls/timerfd_create.S
+++ b/libc/arch-arm64/syscalls/timerfd_create.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_create)
     mov     x8, __NR_timerfd_create
     svc     #0
diff --git a/libc/arch-arm64/syscalls/timerfd_gettime.S b/libc/arch-arm64/syscalls/timerfd_gettime.S
index 253cb79..1c5151f 100644
--- a/libc/arch-arm64/syscalls/timerfd_gettime.S
+++ b/libc/arch-arm64/syscalls/timerfd_gettime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_gettime)
     mov     x8, __NR_timerfd_gettime
     svc     #0
diff --git a/libc/arch-arm64/syscalls/timerfd_settime.S b/libc/arch-arm64/syscalls/timerfd_settime.S
index 8872481..edd81fac 100644
--- a/libc/arch-arm64/syscalls/timerfd_settime.S
+++ b/libc/arch-arm64/syscalls/timerfd_settime.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(timerfd_settime)
     mov     x8, __NR_timerfd_settime
     svc     #0
diff --git a/libc/arch-arm64/syscalls/times.S b/libc/arch-arm64/syscalls/times.S
index 33c7d55..5541732 100644
--- a/libc/arch-arm64/syscalls/times.S
+++ b/libc/arch-arm64/syscalls/times.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(times)
     mov     x8, __NR_times
     svc     #0
diff --git a/libc/arch-arm64/syscalls/truncate.S b/libc/arch-arm64/syscalls/truncate.S
index f15253b..be5765c 100644
--- a/libc/arch-arm64/syscalls/truncate.S
+++ b/libc/arch-arm64/syscalls/truncate.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(truncate)
     mov     x8, __NR_truncate
     svc     #0
diff --git a/libc/arch-arm64/syscalls/umask.S b/libc/arch-arm64/syscalls/umask.S
index 8b907b4..c605b8f 100644
--- a/libc/arch-arm64/syscalls/umask.S
+++ b/libc/arch-arm64/syscalls/umask.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umask)
     mov     x8, __NR_umask
     svc     #0
diff --git a/libc/arch-arm64/syscalls/umount2.S b/libc/arch-arm64/syscalls/umount2.S
index 5646dba..73ed330 100644
--- a/libc/arch-arm64/syscalls/umount2.S
+++ b/libc/arch-arm64/syscalls/umount2.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(umount2)
     mov     x8, __NR_umount2
     svc     #0
diff --git a/libc/arch-arm64/syscalls/uname.S b/libc/arch-arm64/syscalls/uname.S
index 09ec096..4d52190 100644
--- a/libc/arch-arm64/syscalls/uname.S
+++ b/libc/arch-arm64/syscalls/uname.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(uname)
     mov     x8, __NR_uname
     svc     #0
diff --git a/libc/arch-arm64/syscalls/unlinkat.S b/libc/arch-arm64/syscalls/unlinkat.S
index 992f675..8fde96e 100644
--- a/libc/arch-arm64/syscalls/unlinkat.S
+++ b/libc/arch-arm64/syscalls/unlinkat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unlinkat)
     mov     x8, __NR_unlinkat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/unshare.S b/libc/arch-arm64/syscalls/unshare.S
index 1062dcd..ba960e2 100644
--- a/libc/arch-arm64/syscalls/unshare.S
+++ b/libc/arch-arm64/syscalls/unshare.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(unshare)
     mov     x8, __NR_unshare
     svc     #0
diff --git a/libc/arch-arm64/syscalls/utimensat.S b/libc/arch-arm64/syscalls/utimensat.S
index 8a25ed6..9e4b1ca 100644
--- a/libc/arch-arm64/syscalls/utimensat.S
+++ b/libc/arch-arm64/syscalls/utimensat.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(utimensat)
     mov     x8, __NR_utimensat
     svc     #0
diff --git a/libc/arch-arm64/syscalls/vmsplice.S b/libc/arch-arm64/syscalls/vmsplice.S
index b4bec3f..6a13c5b 100644
--- a/libc/arch-arm64/syscalls/vmsplice.S
+++ b/libc/arch-arm64/syscalls/vmsplice.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(vmsplice)
     mov     x8, __NR_vmsplice
     svc     #0
diff --git a/libc/arch-arm64/syscalls/wait4.S b/libc/arch-arm64/syscalls/wait4.S
index a0d5d62..f2bcd34 100644
--- a/libc/arch-arm64/syscalls/wait4.S
+++ b/libc/arch-arm64/syscalls/wait4.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(wait4)
     mov     x8, __NR_wait4
     svc     #0
diff --git a/libc/arch-arm64/syscalls/write.S b/libc/arch-arm64/syscalls/write.S
index d64552e..1fedabe 100644
--- a/libc/arch-arm64/syscalls/write.S
+++ b/libc/arch-arm64/syscalls/write.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(write)
     mov     x8, __NR_write
     svc     #0
diff --git a/libc/arch-arm64/syscalls/writev.S b/libc/arch-arm64/syscalls/writev.S
index 45d5c8d..9942ddb 100644
--- a/libc/arch-arm64/syscalls/writev.S
+++ b/libc/arch-arm64/syscalls/writev.S
@@ -2,6 +2,8 @@
 
 #include <private/bionic_asm.h>
 
+    .hidden __set_errno
+
 ENTRY(writev)
     mov     x8, __NR_writev
     svc     #0