github.com/afumu/libc@v0.0.6/musl/src/setjmp/aarch64/longjmp.s (about)

     1  .global _longjmp
     2  .global longjmp
     3  .type _longjmp,%function
     4  .type longjmp,%function
     5  _longjmp:
     6  longjmp:
     7  	// IHI0055B_aapcs64.pdf 5.1.1, 5.1.2 callee saved registers
     8  	ldp x19, x20, [x0,#0]
     9  	ldp x21, x22, [x0,#16]
    10  	ldp x23, x24, [x0,#32]
    11  	ldp x25, x26, [x0,#48]
    12  	ldp x27, x28, [x0,#64]
    13  	ldp x29, x30, [x0,#80]
    14  	ldr x2, [x0,#104]
    15  	mov sp, x2
    16  	ldp d8 , d9, [x0,#112]
    17  	ldp d10, d11, [x0,#128]
    18  	ldp d12, d13, [x0,#144]
    19  	ldp d14, d15, [x0,#160]
    20  
    21  	mov x0, x1
    22  	cbnz x1, 1f
    23  	mov x0, #1
    24  1:	br x30