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9de0f53a8d
Get number of multiple results from C frame. Add lj_cont_hook: restores multres and dispatch to static ins. Can use fastcall for lj_dispatch_ins() now.
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
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** Assembler VM interface definitions.
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** Copyright (C) 2005-2009 Mike Pall. See Copyright Notice in luajit.h
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*/
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#ifndef _LJ_VM_H
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#define _LJ_VM_H
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#include "lj_obj.h"
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/* Entry points for ASM parts of VM. */
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LJ_ASMF void lj_vm_call(lua_State *L, TValue *base, int nres1);
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LJ_ASMF int lj_vm_pcall(lua_State *L, TValue *base, int nres1, ptrdiff_t ef);
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typedef TValue *(*lua_CPFunction)(lua_State *L, lua_CFunction func, void *ud);
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LJ_ASMF int lj_vm_cpcall(lua_State *L, lua_CFunction func, void *ud,
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lua_CPFunction cp);
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LJ_ASMF int lj_vm_resume(lua_State *L, TValue *base, int nres1, ptrdiff_t ef);
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LJ_ASMF_NORET void lj_vm_unwind_c(void *cframe, int errcode);
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LJ_ASMF_NORET void lj_vm_unwind_ff(void *cframe);
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/* Miscellaneous functions. */
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#if LJ_TARGET_X86ORX64
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LJ_ASMF int lj_vm_cpuid(uint32_t f, uint32_t res[4]);
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#endif
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LJ_ASMF double lj_vm_foldarith(double x, double y, int op);
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LJ_ASMF double lj_vm_foldfpm(double x, int op);
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/* Dispatch targets for recording and hooks. */
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LJ_ASMF void lj_vm_record(void);
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LJ_ASMF void lj_vm_hook(void);
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/* Trace exit handling. */
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LJ_ASMF void lj_vm_exit_handler(void);
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LJ_ASMF void lj_vm_exit_interp(void);
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/* Handlers callable from compiled code. */
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LJ_ASMF void lj_vm_floor_sse(void);
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LJ_ASMF void lj_vm_ceil_sse(void);
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LJ_ASMF void lj_vm_trunc_sse(void);
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LJ_ASMF void lj_vm_exp(void);
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LJ_ASMF void lj_vm_exp2(void);
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LJ_ASMF void lj_vm_pow_sse(void);
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LJ_ASMF void lj_vm_powi_sse(void);
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/* Call gates for functions. */
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LJ_ASMF void lj_gate_lf(void);
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LJ_ASMF void lj_gate_lv(void);
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LJ_ASMF void lj_gate_c(void);
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LJ_ASMF void lj_gate_cwrap(void);
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/* Continuations for metamethods. */
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LJ_ASMF void lj_cont_cat(void); /* Continue with concatenation. */
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LJ_ASMF void lj_cont_ra(void); /* Store result in RA from instruction. */
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LJ_ASMF void lj_cont_nop(void); /* Do nothing, just continue execution. */
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LJ_ASMF void lj_cont_condt(void); /* Branch if result is true. */
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LJ_ASMF void lj_cont_condf(void); /* Branch if result is false. */
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LJ_ASMF void lj_cont_hook(void); /* Continue from hook yield. */
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/* Start of the ASM code. */
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LJ_ASMF char lj_vm_asm_begin[];
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/* Opcode handler offsets, relative to lj_vm_asm_begin. */
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LJ_ASMF const uint16_t lj_vm_op_ofs[];
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#define makeasmfunc(ofs) ((ASMFunction)(lj_vm_asm_begin + (ofs)))
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#endif
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