holey-bytes/c-abi.md

C ABI (proposal)

C datatypes

C Type	Description	Size (B)
char	Character / byte	8
short	Short integer	16
int	Integer	32
long	Long integer	64
long long	Long long integer	64
T*	Pointer	64
float	Single-precision float	32
double	Double-precision float	64
long double	Extended-precision float	Bikeshed

Registers

Register	ABI Name	Description	Saver
r0	—	Zero register	N/A
r1	ra	Return address	Caller
r2	sp	Stack pointer	Callee
r3	tp	Thread pointer	N/A

TODO: Parameters

TODO: Saved

TODO: Temp