In total, we need 4 + 4 + 8 = 16 bytes for this little trampoline. That's a problem because the function we write the trampoline to may be smaller than 16 bytes. Here's what foo() looks like on ARM, as disassembled by LLDB.
You can see that the changes are only in E1, E2, and E3. The latter one is required just for completeness. The interesting change is in E2 where I no longer use a block local static but the static data member from E1. You still have the two options: user-declared and user-defined constructor.。新收录的资料对此有专业解读
Source: Computational Materials Science, Volume 267，更多细节参见新收录的资料
FT Professional，这一点在新收录的资料中也有详细论述
Antirez created Redis. Ronacher created Flask. Both are figures at the center