Squash commits for public release

libs/libc/setjmp/arm64/setjmp.S

@@ -0,0 +1,39 @@
+.global setjmp
+setjmp:
+    stp x19, x20, [x0,#0x0]
+    stp x21, x22, [x0,#0x10]
+    stp x23, x24, [x0,#0x20]
+    stp x25, x26, [x0,#0x30]
+    stp x27, x28, [x0,#0x40]
+    stp x29, x4, [x0,#0x50]
+    mov x2, lr
+    mov x3, sp
+    stp x2, x3, [x0,#0x60]
+    stp d8, d9, [x0,#0x70]
+    stp d10, d11, [x0,#0x80]
+    stp d12, d13, [x0,#0x90]
+    stp d14, d15, [x0,#0xa0]
+    mov	x0, #0
+	ret
+
+.global longjmp
+longjmp:
+    ldp x19, x20, [x0,#0x0]
+    ldp x21, x22, [x0,#0x10]
+    ldp x23, x24, [x0,#0x20]
+    ldp x25, x26, [x0,#0x30]
+    ldp x27, x28, [x0,#0x40]
+    ldp x29, x4, [x0,#0x50]
+    ldp x2, x3, [x0,#0x60]
+    ldp d8, d9, [x0,#0x70]
+    ldp d10, d11, [x0,#0x80]
+    ldp d12, d13, [x0,#0x90]
+    ldp d14, d15, [x0,#0xa0]
+    mov lr, x2
+    mov sp, x3
+    mov x0, x1
+    cmp x0, #0
+    bne 1f
+    mov	x0, #1
+1:
+    ret