Squash commits for public release

libs/libc/setjmp/arm32/setjmp.S

@@ -0,0 +1,25 @@
+.global setjmp
+setjmp:
+    stm    r0!, {r4-r12,lr}
+    mov    r1, sp
+    ldm    r0!, {r1}
+#ifdef __ARM_NEON__
+    vstm    r0!, {d8-d15}
+#endif // __ARM_NEON__
+    mov	    r0, #0
+	bx      lr
+
+.global longjmp
+longjmp:
+    ldm    r0!, {r4-r12,lr}
+    ldm    r0!, {r1}
+    mov    sp, r1
+#ifdef __ARM_NEON__
+    vldm    r0!, {d8-d15}
+#endif // __ARM_NEON__
+    mov     r0, r1
+    cmp     r0, #0
+    bne     1f
+    mov	    r0, #1
+1:
+    bx      lr

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

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

libs/libc/setjmp/x86/setjmp.S

@@ -0,0 +1,29 @@
+global setjmp
+setjmp:
+    mov eax, [esp+4]
+    mov [eax], ebx
+    mov [eax+4], esi
+    mov [eax+8], edi
+    mov [eax+12], ebp
+    lea ecx, [esp+4]
+    mov [eax+16], ecx
+    mov ecx, [esp]
+    mov [eax+20], ecx
+    xor eax, eax
+    ret
+
+global longjmp
+longjmp:
+    mov edx, [esp+4]
+    mov eax, [esp+8]
+    mov ebx, [edx]
+    mov esi, [edx+4]
+    mov edi, [edx+8]
+    mov ebp, [edx+12]
+    mov esp, [edx+16]
+    mov ecx, [edx+20]
+    test eax, eax
+    jnz success
+    mov eax, 1
+success:
+    jmp ecx

libs/libc/setjmp/x86_64/setjmp.S

@@ -0,0 +1,35 @@
+[bits 64]
+
+global setjmp
+setjmp:
+    mov [rdi], rbx
+    mov [rdi+8], r12
+    mov [rdi+16], r13
+    mov [rdi+24], r14
+    mov [rdi+32], r15
+    mov [rdi+40], rbp
+    mov [rdi+48], rsp
+
+    mov rax, [rsp]
+    mov [rdi+56], rax
+
+    xor rax, rax
+    ret
+
+global longjmp
+longjmp:
+    mov rbx, [rdi]
+    mov r12, [rdi+8]
+    mov r13, [rdi+16]
+    mov r14, [rdi+24]
+    mov r15, [rdi+32]
+    mov rbp, [rdi+40]
+    mov rsp, [rdi+48]
+    mov rcx, [rdi+56]
+
+    mov rax, rsi
+    test rax, rax
+    jnz success
+    mov rax, 1    
+success:
+    jmp rcx