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51 lines
3.3 KiB
Plaintext
51 lines
3.3 KiB
Plaintext
function arguments and return values layout
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+------+-----+-------------------+--------+
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| func | Foo | (a bool, b int16) | []byte | unsafe.Sizeof(struct{a bool; b int16; c []byte})
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| c1AB | c1AB| cRED | cRED |
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+------+-----+-------------------+--------+
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+-----------=-+ +-=--------------------------+
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v v
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+-----------------+-------------------------------+--------------------------------------+
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| | | |
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| a bool, b int16 | | c reflect.SliceHeader |
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| cRED | | cRED |
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+-----------------+-=-----------------------------+--------------------------------------+
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: : : : :
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v v v v v
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+---------+----------+----------------------------+-----------------+--------+-----------+
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| a bool, | b int16, | | c.Data uintptr, | c.Len, | c.Cap int |
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| cBLU | cPNK | | cGRE | cGRE | cGRE |
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+---------+----------+-=--------------------------+-----------------+--------+-----------+
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+---------+ argsize+32(FP)---=-+ | | |
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: | | | |
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| +-------------------------------------+ <-+ | | |
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| | cGRE | | | :
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| | c.Cap | | | |
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| | 64bit | | | |
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| +-------------------------------------+ <-=-|-=------------|---------+
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| | cGRE | | | c.Cap+24(FP)
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| | c.Len | | |
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| | 64bit | | |
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| +-------------------------------------+ <-=-|-=------------+c.Len+16(FP)
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| | cGRE | |
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| | c.Data | |
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| | 64bit | |
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| +----+----+--------+------------------+ <-=-+c.Data+8(FP)
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| |cBLU|cAAA|cPNK |cAAA |
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+----> | a | | b | |
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|8bit|8bit| 16bit | 32bit |
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+----+----+--------+------------------+ <--=-0(FP)
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^ ^
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| +-=-b+2(FP)
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+-=-a+0(FP)
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