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.global dumpregs
.global myfunc
.type dumpregs,%function
.type myfunc,%function
dumpregs:
myfunc:
mov x16, sp
mov x17, sp
sub sp, sp, 352 // 336 for registers and 16 for old sp and lr
stp x8, x9, [x17, #-16]! //320
stp q6, q7, [x17, #-32]! //288
stp q4, q5, [x17, #-32]! //256
stp q2, q3, [x17, #-32]! //224
stp q0, q1, [x17, #-32]! //192
stp x6, x7, [x17, #-16]! //176
stp x4, x5, [x17, #-16]! //160
stp x2, x3, [x17, #-16]! //144
stp x0, x1, [x17, #-16]! //128
stp w6, w7, [x17, #-8]! //120
stp w4, w5, [x17, #-8]! //112
stp w2, w3, [x17, #-8]! //104
stp w0, w1, [x17, #-8]! // 96
stp s6, s7, [x17, #-8]! // 88
stp s4, s5, [x17, #-8]! // 80
stp s2, s3, [x17, #-8]! // 72
stp s0, s1, [x17, #-8]! // 64
stp d6, d7, [x17, #-16]! // 48
stp d4, d5, [x17, #-16]! // 32
stp d2, d3, [x17, #-16]! // 16
stp d0, d1, [x17, #-16]! // 0
add x0, sp, #16
stp x16, x30, [x17, #-16]!
adrp x9, which_kind_of_test // determine the type of test
add x9, x9, :lo12:which_kind_of_test
ldr w9, [x9, #0]
cmp w9, #1
bgt LABEL_TEST_FUNC_RETURN
bl testfunc // parameter passing test or va_arg code gen test
b LABEL_RET
LABEL_TEST_FUNC_RETURN:
adrp x9, testfunc_ptr
add x9, x9, :lo12:testfunc_ptr
ldr x9, [x9, #0]
blr x9 // function return value test
LABEL_RET:
ldp x0, x30, [sp]
mov sp, x0
ret
.weak testfunc
.weak testfunc_ptr
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