https://github.com/akkartik/mu/blob/main/linux/308allocate-array.subx
 1 # 2-arg version of allocate-array.
 2 # Really only intended to be called from code generated by mu.subx.
 3 
 4 == code
 5 
 6 allocate-array2:  # ad: (addr allocation-descriptor), array-len: int, elem-size: int, out: (addr handle array _)
 7     # . prologue
 8     55/push-ebp
 9     89/<- %ebp 4/r32/esp
10     # . save registers
11     50/push-eax
12     52/push-edx
13     #
14     8b/-> *(ebp+0xc) 0/r32/eax
15     f7 4/subop/multiply-into-edx-eax *(ebp+0x10)
16     # TODO: check edx for overflow
17     (allocate-array *(ebp+8) %eax *(ebp+0x14))
18 $allocate-array2:end:
19     # . restore registers
20     5a/pop-to-edx
21     58/pop-to-eax
22     # . epilogue
23     89/<- %esp 5/r32/ebp
24     5d/pop-to-ebp
25     c3/return