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author | Kartik Agaram <vc@akkartik.com> | 2020-06-14 00:40:16 -0700 |
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committer | Kartik Agaram <vc@akkartik.com> | 2020-06-14 00:40:16 -0700 |
commit | 5945986cc5c743345938403d553fe9a4edf655fd (patch) | |
tree | adb890474caa06a3a5eb022c465869d1f389d3c9 /106size.subx | |
parent | ad61776f498e8117756e4794eac840fab60cfac6 (diff) | |
download | mu-5945986cc5c743345938403d553fe9a4edf655fd.tar.gz |
6521 - new primitive: array size in bytes
Diffstat (limited to '106size.subx')
-rw-r--r-- | 106size.subx | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/106size.subx b/106size.subx new file mode 100644 index 00000000..9d2be695 --- /dev/null +++ b/106size.subx @@ -0,0 +1,17 @@ +# Size of an array in bytes. + +== code + +size: # in: (addr array _) -> result/eax: int + # . prologue + 55/push-ebp + 89/<- %ebp 4/r32/esp + # eax = in + 8b/-> *(ebp+8) 0/r32/eax + # + 8b/-> *eax 0/r32/eax +$size:end: + # . epilogue + 89/<- %esp 5/r32/ebp + 5d/pop-to-ebp + c3/return |