ae470b42f1
This was surprisingly hard; bugs discovered all over the place.
25 lines
597 B
Plaintext
25 lines
597 B
Plaintext
# 2-arg version of allocate-array.
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== code
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allocate-array2: # ad: (addr allocation-descriptor), array-len: int, elem-size: int, out: (addr handle array _)
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# . prologue
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55/push-ebp
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89/<- %ebp 4/r32/esp
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# . save registers
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50/push-eax
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52/push-edx
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#
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8b/-> *(ebp+0xc) 0/r32/eax
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f7 4/subop/multiply-into-edx-eax *(ebp+0x10)
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# TODO: check edx for overflow
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(allocate-array *(ebp+8) %eax *(ebp+0x14))
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$allocate-array2:end:
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# . restore registers
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5a/pop-to-edx
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58/pop-to-eax
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# . epilogue
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89/<- %esp 5/r32/ebp
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5d/pop-to-ebp
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c3/return
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