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101 lines
3.1 KiB
C
101 lines
3.1 KiB
C
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/*
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** IR CALL* instruction definitions.
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** Copyright (C) 2005-2011 Mike Pall. See Copyright Notice in luajit.h
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*/
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#ifndef _LJ_IRCALL_H
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#define _LJ_IRCALL_H
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#include "lj_obj.h"
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#include "lj_ir.h"
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#include "lj_jit.h"
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/* C call info for CALL* instructions. */
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typedef struct CCallInfo {
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ASMFunction func; /* Function pointer. */
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uint32_t flags; /* Number of arguments and flags. */
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} CCallInfo;
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#define CCI_NARGS(ci) ((ci)->flags & 0xff) /* Extract # of args. */
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#define CCI_NARGS_MAX 32 /* Max. # of args. */
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#define CCI_OTSHIFT 16
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#define CCI_OPTYPE(ci) ((ci)->flags >> CCI_OTSHIFT) /* Get op/type. */
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#define CCI_OPSHIFT 24
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#define CCI_OP(ci) ((ci)->flags >> CCI_OPSHIFT) /* Get op. */
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#define CCI_CALL_N (IR_CALLN << CCI_OPSHIFT)
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#define CCI_CALL_L (IR_CALLL << CCI_OPSHIFT)
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#define CCI_CALL_S (IR_CALLS << CCI_OPSHIFT)
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#define CCI_CALL_FN (CCI_CALL_N|CCI_FASTCALL)
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#define CCI_CALL_FL (CCI_CALL_L|CCI_FASTCALL)
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#define CCI_CALL_FS (CCI_CALL_S|CCI_FASTCALL)
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/* C call info flags. */
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#define CCI_L 0x0100 /* Implicit L arg. */
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#define CCI_CASTU64 0x0200 /* Cast u64 result to number. */
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#define CCI_NOFPRCLOBBER 0x0400 /* Does not clobber any FPRs. */
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#define CCI_FASTCALL 0x0800 /* Fastcall convention. */
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/* Function definitions for CALL* instructions. */
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#if LJ_HASFFI
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#if LJ_32
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#define ARG2_64 4 /* Treat as 4 32 bit arguments. */
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#define IRCALLDEF_FFI32(_) \
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_(lj_carith_mul64, ARG2_64, N, I64, CCI_NOFPRCLOBBER)
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#else
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#define ARG2_64 2
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#define IRCALLDEF_FFI32(_)
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#endif
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#define IRCALLDEF_FFI(_) \
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IRCALLDEF_FFI32(_) \
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_(lj_carith_divi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \
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_(lj_carith_divu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER) \
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_(lj_carith_modi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \
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_(lj_carith_modu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER) \
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_(lj_carith_powi64, ARG2_64, N, I64, CCI_NOFPRCLOBBER) \
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_(lj_carith_powu64, ARG2_64, N, U64, CCI_NOFPRCLOBBER) \
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_(lj_cdata_setfin, 2, FN, P32, CCI_L) \
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_(strlen, 1, N, INTP, 0) \
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_(memcpy, 3, S, PTR, 0) \
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_(memset, 3, S, PTR, 0)
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#else
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#define IRCALLDEF_FFI(_)
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#endif
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#define IRCALLDEF(_) \
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_(lj_str_cmp, 2, FN, INT, CCI_NOFPRCLOBBER) \
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_(lj_str_new, 3, S, STR, CCI_L) \
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_(lj_str_tonum, 2, FN, INT, 0) \
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_(lj_str_fromint, 2, FN, STR, CCI_L) \
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_(lj_str_fromnum, 2, FN, STR, CCI_L) \
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_(lj_tab_new1, 2, FS, TAB, CCI_L) \
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_(lj_tab_dup, 2, FS, TAB, CCI_L) \
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_(lj_tab_newkey, 3, S, P32, CCI_L) \
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_(lj_tab_len, 1, FL, INT, 0) \
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_(lj_gc_step_jit, 2, FS, NIL, CCI_L) \
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_(lj_gc_barrieruv, 2, FS, NIL, 0) \
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_(lj_mem_newgco, 2, FS, P32, CCI_L) \
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_(lj_math_random_step, 1, FS, NUM, CCI_CASTU64|CCI_NOFPRCLOBBER) \
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IRCALLDEF_FFI(_) \
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_(sinh, 1, N, NUM, 0) \
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_(cosh, 1, N, NUM, 0) \
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_(tanh, 1, N, NUM, 0) \
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_(fputc, 2, S, INT, 0) \
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_(fwrite, 4, S, INT, 0) \
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_(fflush, 1, S, INT, 0) \
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\
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/* End of list. */
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typedef enum {
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#define IRCALLENUM(name, nargs, kind, type, flags) IRCALL_##name,
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IRCALLDEF(IRCALLENUM)
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#undef IRCALLENUM
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IRCALL__MAX
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} IRCallID;
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LJ_FUNC TRef lj_ir_call(jit_State *J, IRCallID id, ...);
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LJ_DATA const CCallInfo lj_ir_callinfo[IRCALL__MAX+1];
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#endif
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