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

     1  .syntax unified
     2  .global _longjmp
     3  .global longjmp
     4  .type _longjmp,%function
     5  .type longjmp,%function
     6  _longjmp:
     7  longjmp:
     8  	mov ip,r0
     9  	movs r0,r1
    10  	moveq r0,#1
    11  	ldmia ip!, {v1,v2,v3,v4,v5,v6,sl,fp}
    12  	ldmia ip!, {r2,lr}
    13  	mov sp,r2
    14  
    15  	adr r1,1f
    16  	ldr r2,1f
    17  	ldr r1,[r1,r2]
    18  
    19  #if __ARM_ARCH < 8
    20  	tst r1,#0x260
    21  	beq 3f
    22  	// HWCAP_ARM_FPA
    23  	tst r1,#0x20
    24  	beq 2f
    25  	ldc p2, cr4, [ip], #48
    26  #endif
    27  2:	tst r1,#0x40
    28  	beq 2f
    29  	.fpu vfp
    30  	vldmia ip!, {d8-d15}
    31  	.fpu softvfp
    32  	.eabi_attribute 10, 0
    33  	.eabi_attribute 27, 0
    34  #if __ARM_ARCH < 8
    35  	// HWCAP_ARM_IWMMXT
    36  2:	tst r1,#0x200
    37  	beq 3f
    38  	ldcl p1, cr10, [ip], #8
    39  	ldcl p1, cr11, [ip], #8
    40  	ldcl p1, cr12, [ip], #8
    41  	ldcl p1, cr13, [ip], #8
    42  	ldcl p1, cr14, [ip], #8
    43  	ldcl p1, cr15, [ip], #8
    44  #endif
    45  2:
    46  3:	bx lr
    47  
    48  .hidden __hwcap
    49  .align 2
    50  1:	.word __hwcap-1b