shithub: riscv

ref: 8166868375e2994265e4e2dfd788dae2c4b6754f
dir: /sys/src/libmach/uc/u.out.h/

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#define	NSNAME	8
#define	NSYM	50
#define	NREG	32
#define NOPROF	(1<<0)
#define DUPOK	(1<<1)

enum
{
	REGZERO		= 0,	/* always zero */
	REGSP		= 1,	/* stack pointer */
	REGSB		= 2,	/* static pointer */
	REGSB1		= 3,	/* (possible) second static pointer */
	REGEXT		= 6,	/* first external register, grows-- */
	REGRET		= 7,	/* return register and first temp, grows++ */
	REGTMP		= 14,	/* used by the loader */
	REGLINK		= 15,	/* subroutine linkage */
	REGARG		= 7,	/* first arg passed in */

	FREGRET		= 0,
	FREGEXT		= 22,	/* first external register */
	FREGZERO	= 24,	/* both float and double */
	FREGHALF	= 26,	/* double */
	FREGONE		= 28,	/* double */
	FREGTWO		= 30	/* double */
/*
 * GENERAL:
 *
 * compiler allocates R7 up as temps
 * compiler allocates external registers R6 down
 * compiler allocates register variables F4-F22
 * compiler allocates external registers F22 down
 */
};

enum	as
{
	AXXX	= 0,
	AADD,
	AADDCC,
	AADDX,
	AADDXCC,
	AAND,
	AANDCC,
	AANDN,
	AANDNCC,
	ABA,
	ABCC,
	ABCS,
	ABE,
	ABG,
	ABGE,
	ABGU,
	ABL,
	ABLE,
	ABLEU,
	ABN,
	ABNE,
	ABNEG,
	ABPOS,
	ABVC,
	ABVS,
	ACB0,
	ACB01,
	ACB012,
	ACB013,
	ACB02,
	ACB023,
	ACB03,
	ACB1,
	ACB12,
	ACB123,
	ACB13,
	ACB2,
	ACB23,
	ACB3,
	ACBA,
	ACBN,
	ACMP,		/* pseudo op */
	ACPOP1,
	ACPOP2,
	ADATA,
	ADIV,
	ADIVL,
	AFABSD,		/* pseudo op */
	AFABSF,
	AFABSX,		/* pseudo op */
	AFADDD,
	AFADDF,
	AFADDX,
	AFBA,
	AFBE,
	AFBG,
	AFBGE,
	AFBL,
	AFBLE,
	AFBLG,
	AFBN,
	AFBNE,
	AFBO,
	AFBU,
	AFBUE,
	AFBUG,
	AFBUGE,
	AFBUL,
	AFBULE,
	AFCMPD,
	AFCMPED,
	AFCMPEF,
	AFCMPEX,
	AFCMPF,
	AFCMPX,
	AFDIVD,
	AFDIVF,
	AFDIVX,
	AFMOVD,		/* pseudo op */
	AFMOVDF,
	AFMOVDW,
	AFMOVDX,
	AFMOVF,
	AFMOVFD,
	AFMOVFW,
	AFMOVFX,
	AFMOVWD,
	AFMOVWF,
	AFMOVWX,
	AFMOVX,		/* pseudo op */
	AFMOVXD,
	AFMOVXF,
	AFMOVXW,
	AFMULD,
	AFMULF,
	AFMULX,
	AFNEGD,		/* pseudo op */
	AFNEGF,
	AFNEGX,		/* pseudo op */
	AFSQRTD,
	AFSQRTF,
	AFSQRTX,
	AFSUBD,
	AFSUBF,
	AFSUBX,
	AGLOBL,
	AGOK,
	AHISTORY,
	AIFLUSH,
	AJMPL,
	AJMP,
	AMOD,
	AMODL,
	AMOVB,
	AMOVBU,
	AMOVD,
	AMOVH,
	AMOVHU,
	AMOVW,
	AMUL,
	AMULSCC,
				AXXXdummy,		// to temporarily make ANAME/ASIGNAME different than .k's
	ANAME,
	ANOP,
	AOR,
	AORCC,
	AORN,
	AORNCC,
	ARESTORE,
	ARETT,
	ARETURN,
	ASAVE,
	ASLL,
	ASRA,
	ASRL,
	ASUB,
	ASUBCC,
	ASUBX,
	ASUBXCC,
	ASWAP,
	ATA,
	ATADDCC,
	ATADDCCTV,
	ATAS,
	ATCC,
	ATCS,
	ATE,
	ATEXT,
	ATG,
	ATGE,
	ATGU,
	ATL,
	ATLE,
	ATLEU,
	ATN,
	ATNE,
	ATNEG,
	ATPOS,
	ATSUBCC,
	ATSUBCCTV,
	ATVC,
	ATVS,
	AUNIMP,
	AWORD,
	AXNOR,
	AXNORCC,
	AXOR,
	AXORCC,
	AEND,
	ADYNT,
	AINIT,
	ASIGNAME,
	ALAST
};

/* type/name */
enum
{
	D_GOK	= 0,
	D_NONE,

/* name */
	D_EXTERN,
	D_STATIC,
	D_AUTO,
	D_PARAM,

/* type */
	D_BRANCH,
	D_OREG,
	D_ASI,
	D_CONST,
	D_FCONST,
	D_SCONST,
	D_REG,
	D_FREG,
	D_CREG,
	D_PREG,
	D_FILE,
	D_FILE1,

/* reg names iff type is D_PREG */
	D_CPQ	= 0,
	D_CSR,
	D_FPQ,
	D_FSR,
	D_PSR,
	D_TBR,
	D_WIM,
	D_Y
};

/*
 * this is the ranlib header
 */
#define	SYMDEF	"__.SYMDEF"

/*
 * this is the simulated IEEE floating point
 */
typedef	struct	ieee	Ieee;
struct	ieee
{
	long	l;	/* contains ls-man	0xffffffff */
	long	h;	/* contains sign	0x80000000
				    exp		0x7ff00000
				    ms-man	0x000fffff */
};