ref: f88a55e79b5bf656e7f9578d1318a955b9a4963a
dir: /sys/src/cmd/jc/j.out.h/
#define NSNAME 8
#define NSYM 50
#define NREG 32
#define NOPROF (1<<0)
#define DUPOK (1<<1)
/*
* Register roles are influenced by the compressed extension:
* CIW, CL, CS and CB format use only R8-R15
* CL and CS floating load/store use only F8-F15
* CI and CSS load/store assume stack pointer is R2
* C.JAL assumes link register is R1
*/
enum
{
REGZERO = 0, /* always zero */
REGLINK = 1, /* call return address */
REGSP = 2, /* stack pointer */
REGSB = 3, /* static base */
REGTMP = 4, /* assembler temporary */
REGEXT = 7, /* extern reg from here down */
REGRET = 8, /* fn return value */
REGARG = 8, /* fn arg value */
REGLOWALLOC = 9, /* first reg to allocate */
REGALLOC = 31, /* highest reg to allocate (15 for RV32E) */
FREGRET = 0, /* fn return value */
FREGEXT = 27, /* extern reg from here down */
FREGZERO = 28,
FREGHALF = 29,
FREGONE = 30,
FREGTWO = 31,
};
enum as
{
AXXX = 0,
/* processor instructions */
AADD,
AADDW,
AAMO_D,
AAMO_W,
AAND,
ABEQ,
ABGE,
ABGEU,
ABLT,
ABLTU,
ABNE,
ACSRRC,
ACSRRCI,
ACSRRS,
ACSRRSI,
ACSRRW,
ACSRRWI,
ADIV,
ADIVU,
ADIVUW,
ADIVW,
AFENCE,
AFENCE_I,
AJAL,
AJALR,
ALR_D,
ALR_W,
ALUI,
AMOVB,
AMOVBU,
AMOVH,
AMOVHU,
AMOV,
AMOVW,
AMOVWU,
AMUL,
AMULH,
AMULHSU,
AMULHU,
AMULW,
AOR,
AREM,
AREMU,
AREMUW,
AREMW,
ASC_D,
ASC_W,
ASLL,
ASLLW,
ASLT,
ASLTU,
ASRA,
ASRAW,
ASRL,
ASRLW,
ASUB,
ASUBW,
ASWAP_D,
ASWAP_W,
ASYS,
AXOR,
/* floating point */
AMOVF, /* FLW, FSW, FSGNJ.S */
AMOVD, /* FLD, FSD, FSGNJ.D */
AMOVFD, /* FCVT.D.S */
AMOVDF, /* FCVT.S.D */
AMOVWF, /* FCVT.S.W */
AMOVUF, /* FCVT.S.WU */
AMOVFW, /* FCVT.W.S */
AMOVWD, /* FCVT.D.W */
AMOVUD, /* FCVT.D.WU */
AMOVDW, /* FCVT.W.D */
AADDF, /* FADD.S */
AADDD, /* FADD.D */
ASUBF, /* FSUB.S */
ASUBD, /* FSUB.D */
AMULF, /* FMUL.S */
AMULD, /* FMUL.D */
ADIVF, /* FDIV.S */
ADIVD, /* FDIV.D */
ACMPLTF, /* FLT.S */
ACMPLTD, /* FLT.D */
ACMPEQF, /* FEQ.S */
ACMPEQD, /* FEQ.D */
ACMPLEF, /* FLE.S */
ACMPLED, /* FLE.S */
/* floating point instructions not included */
/*
FMADD.S FMADD.D
FMSUB.S FMSUB.D
FNMSUB.S FNMSUB.D
FNMADD.S FNMADD.D
FSQRT.S FSQRT.D
FSGNJ.S FSGNJ.D
FSGNJN.S FSGNJN.D
FSGNNX.S FSGNNX.D
FMIN.S FMIN.D
FMAX.S FMAX.D
FMV.X.W
FCLASS.S FCLASS.D
FCVT.WU.S FCVT.WU.D
FMV.W.X
*/
/* pseudo-ops */
ABGT,
ABGTU,
ABLE,
ABLEU,
ASGT,
ASGTU,
AJMP,
ARET,
ANOP,
/* C compiler pseudo-ops */
ADATA,
AGLOBL,
AGOK,
AHISTORY,
ANAME,
ATEXT,
AWORD,
AEND,
ADYNT,
AINIT,
ASIGNAME,
/* RV64 extension */
ADWORD,
AMOVFV,
AMOVDV,
AMOVVF,
AMOVUVF,
AMOVVD,
AMOVUVD,
ALAST,
};
/* type/name */
enum
{
D_GOK = 0,
D_NONE,
/* name */
D_EXTERN,
D_STATIC,
D_AUTO,
D_PARAM,
/* type */
D_BRANCH,
D_OREG,
D_CONST,
D_FCONST,
D_SCONST,
D_REG,
D_CTLREG,
D_FREG,
D_FCREG,
D_FILE,
D_FILE1,
D_VCONST,
};
/*
* 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 */
};