Calling Convention - RISC-V

Register ABI Name Description Saver x0 zero Hard-wired zero — x1 ra Return address Caller x2 sp Stack pointer Callee x3 gp Global pointer — x4 tp Thread pointer — x5–7 t0–2 Temporaries Caller x8 s0/fp Saved register/frame pointer Callee x9 s1 Saved register Callee x10–11 a0–1 Function arguments/return values Caller

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