いつも忘れがちなので、備忘録。
Register | ABI Name | Description |
---|---|---|
x0 | zero | zero |
x1 | ra | Return address |
x2 | sp | Stack pointer |
x3 | gp | Global pointer |
x4 | tp | Thread pointer |
x5-7 | t0-t2 | Temporaries |
x8 | s0/fp | Saved Register/ Frame pointer |
x9 | s1 | Saved Register |
x10-x11 | a0-a1 | Function arguments/ return valus |
x12-x17 | a2-a7 | Function arguments |
x18-x27 | s2-s11 | Saved Resgieters |
x28-x31 | t3-t6 | Temporaries |