Squash commits for public release

libs/libc/setjmp/riscv64/setjmp.S

@@ -0,0 +1,55 @@
+.global setjmp
+setjmp:
+    sd s0, 0(a0)
+    sd s1, 8(a0)
+    sd s2, 16(a0)
+    sd s3, 24(a0)
+    sd s4, 32(a0)
+    sd s5, 40(a0)
+    sd s6, 48(a0)
+    sd s7, 56(a0)
+    sd s8, 64(a0)
+    sd s9, 72(a0)
+    sd s10, 80(a0)
+    sd s11, 88(a0)
+    sd ra, 96(a0)
+    sd sp, 104(a0)
+
+    mv a0, zero
+    ret
+    // 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:
+    ld s0, 0(a0)
+    ld s1, 8(a0)
+    ld s2, 16(a0)
+    ld s3, 24(a0)
+    ld s4, 32(a0)
+    ld s5, 40(a0)
+    ld s6, 48(a0)
+    ld s7, 56(a0)
+    ld s8, 64(a0)
+    ld s9, 72(a0)
+    ld s10, 80(a0)
+    ld s11, 88(a0)
+    ld ra, 96(a0)
+    ld sp, 104(a0)
+    bne a0, zero, 1f
+    li	a0, 1
+1:
+    ret