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That's only 12 bytes. If we write our 16 bytes trampoline there, we'd stomp over whatever comes after foo() (or get a protection fault). That's no bueno.
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Set up initial heap and stack pointers
第一百八十三条 船长在不严重危及本船和船上人员安全的情况下,有义务尽力救助海上人命。