diff --git a/libc/arch-arm/syscalls/__epoll_pwait.S b/libc/arch-arm/syscalls/__epoll_pwait.S
index f0b1444..b2d8d48 100644
--- a/libc/arch-arm/syscalls/__epoll_pwait.S
+++ b/libc/arch-arm/syscalls/__epoll_pwait.S
@@ -4,12 +4,17 @@
 
 ENTRY(__epoll_pwait)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_epoll_pwait
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/__llseek.S b/libc/arch-arm/syscalls/__llseek.S
index 5d215a4..ec307d2 100644
--- a/libc/arch-arm/syscalls/__llseek.S
+++ b/libc/arch-arm/syscalls/__llseek.S
@@ -4,12 +4,17 @@
 
 ENTRY(__llseek)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR__llseek
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/__mmap2.S b/libc/arch-arm/syscalls/__mmap2.S
index c8dec86..8a17997 100644
--- a/libc/arch-arm/syscalls/__mmap2.S
+++ b/libc/arch-arm/syscalls/__mmap2.S
@@ -4,12 +4,17 @@
 
 ENTRY(__mmap2)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_mmap2
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/__ppoll.S b/libc/arch-arm/syscalls/__ppoll.S
index 5992178..d9fb3d9 100644
--- a/libc/arch-arm/syscalls/__ppoll.S
+++ b/libc/arch-arm/syscalls/__ppoll.S
@@ -4,12 +4,17 @@
 
 ENTRY(__ppoll)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_ppoll
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/__pselect6.S b/libc/arch-arm/syscalls/__pselect6.S
index d44e7ed..05fea54 100644
--- a/libc/arch-arm/syscalls/__pselect6.S
+++ b/libc/arch-arm/syscalls/__pselect6.S
@@ -4,12 +4,17 @@
 
 ENTRY(__pselect6)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_pselect6
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/__waitid.S b/libc/arch-arm/syscalls/__waitid.S
index 51b6487..e5e1f54 100644
--- a/libc/arch-arm/syscalls/__waitid.S
+++ b/libc/arch-arm/syscalls/__waitid.S
@@ -4,12 +4,17 @@
 
 ENTRY(__waitid)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_waitid
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/fchownat.S b/libc/arch-arm/syscalls/fchownat.S
index 12a7710..ea8193f 100644
--- a/libc/arch-arm/syscalls/fchownat.S
+++ b/libc/arch-arm/syscalls/fchownat.S
@@ -4,12 +4,17 @@
 
 ENTRY(fchownat)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_fchownat
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/fsetxattr.S b/libc/arch-arm/syscalls/fsetxattr.S
index 7f95720..64b8d03 100644
--- a/libc/arch-arm/syscalls/fsetxattr.S
+++ b/libc/arch-arm/syscalls/fsetxattr.S
@@ -4,12 +4,17 @@
 
 ENTRY(fsetxattr)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_fsetxattr
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/futex.S b/libc/arch-arm/syscalls/futex.S
index a553b7e..1646ca2 100644
--- a/libc/arch-arm/syscalls/futex.S
+++ b/libc/arch-arm/syscalls/futex.S
@@ -4,12 +4,17 @@
 
 ENTRY(futex)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_futex
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/getsockopt.S b/libc/arch-arm/syscalls/getsockopt.S
index e5cac30..2ded34f 100644
--- a/libc/arch-arm/syscalls/getsockopt.S
+++ b/libc/arch-arm/syscalls/getsockopt.S
@@ -4,12 +4,17 @@
 
 ENTRY(getsockopt)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_getsockopt
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/kill.S b/libc/arch-arm/syscalls/kill.S
new file mode 100644
index 0000000..9a44208
--- /dev/null
+++ b/libc/arch-arm/syscalls/kill.S
@@ -0,0 +1,14 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(kill)
+    mov     ip, r7
+    ldr     r7, =__NR_kill
+    swi     #0
+    mov     r7, ip
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno
+END(kill)
diff --git a/libc/arch-arm/syscalls/linkat.S b/libc/arch-arm/syscalls/linkat.S
index 5e4d541..27f1e00 100644
--- a/libc/arch-arm/syscalls/linkat.S
+++ b/libc/arch-arm/syscalls/linkat.S
@@ -4,12 +4,17 @@
 
 ENTRY(linkat)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_linkat
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/lsetxattr.S b/libc/arch-arm/syscalls/lsetxattr.S
index c1a26b4..fb3f75f 100644
--- a/libc/arch-arm/syscalls/lsetxattr.S
+++ b/libc/arch-arm/syscalls/lsetxattr.S
@@ -4,12 +4,17 @@
 
 ENTRY(lsetxattr)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_lsetxattr
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/mount.S b/libc/arch-arm/syscalls/mount.S
index dae9f3c..d56682c 100644
--- a/libc/arch-arm/syscalls/mount.S
+++ b/libc/arch-arm/syscalls/mount.S
@@ -4,12 +4,17 @@
 
 ENTRY(mount)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_mount
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/perf_event_open.S b/libc/arch-arm/syscalls/perf_event_open.S
index 4cd624e..2821ac5 100644
--- a/libc/arch-arm/syscalls/perf_event_open.S
+++ b/libc/arch-arm/syscalls/perf_event_open.S
@@ -4,12 +4,17 @@
 
 ENTRY(perf_event_open)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_perf_event_open
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/prctl.S b/libc/arch-arm/syscalls/prctl.S
index 51b3c97..615a2fa 100644
--- a/libc/arch-arm/syscalls/prctl.S
+++ b/libc/arch-arm/syscalls/prctl.S
@@ -4,12 +4,17 @@
 
 ENTRY(prctl)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_prctl
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/pread64.S b/libc/arch-arm/syscalls/pread64.S
index 59bd154..0bfb6d0 100644
--- a/libc/arch-arm/syscalls/pread64.S
+++ b/libc/arch-arm/syscalls/pread64.S
@@ -4,12 +4,17 @@
 
 ENTRY(pread64)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_pread64
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/pwrite64.S b/libc/arch-arm/syscalls/pwrite64.S
index 18477f4..03247b1 100644
--- a/libc/arch-arm/syscalls/pwrite64.S
+++ b/libc/arch-arm/syscalls/pwrite64.S
@@ -4,12 +4,17 @@
 
 ENTRY(pwrite64)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_pwrite64
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/readahead.S b/libc/arch-arm/syscalls/readahead.S
index acd35bd..83d8442 100644
--- a/libc/arch-arm/syscalls/readahead.S
+++ b/libc/arch-arm/syscalls/readahead.S
@@ -4,12 +4,17 @@
 
 ENTRY(readahead)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_readahead
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/recvfrom.S b/libc/arch-arm/syscalls/recvfrom.S
index 54c7855..cb89f72 100644
--- a/libc/arch-arm/syscalls/recvfrom.S
+++ b/libc/arch-arm/syscalls/recvfrom.S
@@ -4,12 +4,17 @@
 
 ENTRY(recvfrom)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_recvfrom
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/sendto.S b/libc/arch-arm/syscalls/sendto.S
index b430e06..bd0ec1d 100644
--- a/libc/arch-arm/syscalls/sendto.S
+++ b/libc/arch-arm/syscalls/sendto.S
@@ -4,12 +4,17 @@
 
 ENTRY(sendto)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_sendto
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/setsockopt.S b/libc/arch-arm/syscalls/setsockopt.S
index 9dc7b1e..b2d7597 100644
--- a/libc/arch-arm/syscalls/setsockopt.S
+++ b/libc/arch-arm/syscalls/setsockopt.S
@@ -4,12 +4,17 @@
 
 ENTRY(setsockopt)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_setsockopt
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/setxattr.S b/libc/arch-arm/syscalls/setxattr.S
index 536630b..022195d 100644
--- a/libc/arch-arm/syscalls/setxattr.S
+++ b/libc/arch-arm/syscalls/setxattr.S
@@ -4,12 +4,17 @@
 
 ENTRY(setxattr)
     mov     ip, sp
-    .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 16
+    .cfi_rel_offset r4, 0
+    .cfi_rel_offset r5, 4
+    .cfi_rel_offset r6, 8
+    .cfi_rel_offset r7, 12
     ldmfd   ip, {r4, r5, r6}
     ldr     r7, =__NR_setxattr
     swi     #0
     ldmfd   sp!, {r4, r5, r6, r7}
+    .cfi_def_cfa_offset 0
     cmn     r0, #(MAX_ERRNO + 1)
     bxls    lr
     neg     r0, r0
diff --git a/libc/arch-arm/syscalls/tgkill.S b/libc/arch-arm/syscalls/tgkill.S
new file mode 100644
index 0000000..4ea04f5
--- /dev/null
+++ b/libc/arch-arm/syscalls/tgkill.S
@@ -0,0 +1,14 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(tgkill)
+    mov     ip, r7
+    ldr     r7, =__NR_tgkill
+    swi     #0
+    mov     r7, ip
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno
+END(tgkill)
diff --git a/libc/arch-arm/syscalls/tkill.S b/libc/arch-arm/syscalls/tkill.S
new file mode 100644
index 0000000..2626ae7
--- /dev/null
+++ b/libc/arch-arm/syscalls/tkill.S
@@ -0,0 +1,14 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(tkill)
+    mov     ip, r7
+    ldr     r7, =__NR_tkill
+    swi     #0
+    mov     r7, ip
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno
+END(tkill)