1 files changed, 66 insertions, 0 deletions

diff --git a/src/lj_vm.h b/src/lj_vm.h
new file mode 100644
index 00000000..f50614bb
--- /dev/null
+++ b/src/lj_vm.h
@@ -0,0 +1,66 @@
+/*
+** Assembler VM interface definitions.
+** Copyright (C) 2005-2009 Mike Pall. See Copyright Notice in luajit.h
+*/
+
+#ifndef _LJ_VM_H
+#define _LJ_VM_H
+
+#include "lj_obj.h"
+
+/* Entry points for ASM parts of VM. */
+LJ_ASMF void lj_vm_call(lua_State *L, TValue *base, int nres1);
+LJ_ASMF int lj_vm_pcall(lua_State *L, TValue *base, int nres1, ptrdiff_t ef);
+typedef TValue *(*lua_CPFunction)(lua_State *L, lua_CFunction func, void *ud);
+LJ_ASMF int lj_vm_cpcall(lua_State *L, lua_CPFunction cp, lua_CFunction func,
+                         void *ud);
+LJ_ASMF int lj_vm_resume(lua_State *L, TValue *base, int nres1, ptrdiff_t ef);
+LJ_ASMF_NORET void lj_vm_unwind_c(void *cframe, int errcode);
+LJ_ASMF_NORET void lj_vm_unwind_ff(void *cframe);
+
+/* Miscellaneous functions. */
+#if LJ_TARGET_X86ORX64
+LJ_ASMF int lj_vm_cpuid(uint32_t f, uint32_t res[4]);
+#endif
+LJ_ASMF double lj_vm_foldarith(double x, double y, int op);
+LJ_ASMF double lj_vm_foldfpm(double x, int op);
+
+/* Dispatch targets for recording and hooks. */
+LJ_ASMF void lj_vm_record(void);
+LJ_ASMF void lj_vm_hook(void);
+
+/* Trace exit handling. */
+LJ_ASMF void lj_vm_exit_handler(void);
+LJ_ASMF void lj_vm_exit_interp(void);
+
+/* Handlers callable from compiled code. */
+LJ_ASMF void lj_vm_floor(void);
+LJ_ASMF void lj_vm_ceil(void);
+LJ_ASMF void lj_vm_trunc(void);
+LJ_ASMF void lj_vm_exp(void);
+LJ_ASMF void lj_vm_exp2(void);
+LJ_ASMF void lj_vm_pow(void);
+LJ_ASMF void lj_vm_powi(void);
+
+/* Call gates for functions. */
+LJ_ASMF void lj_gate_lf(void);
+LJ_ASMF void lj_gate_lv(void);
+LJ_ASMF void lj_gate_c(void);
+
+/* Continuations for metamethods. */
+LJ_ASMF void lj_cont_cat(void);  /* Continue with concatenation. */
+LJ_ASMF void lj_cont_ra(void);  /* Store result in RA from instruction. */
+LJ_ASMF void lj_cont_nop(void);  /* Do nothing, just continue execution. */
+LJ_ASMF void lj_cont_condt(void);  /* Branch if result is true. */
+LJ_ASMF void lj_cont_condf(void);  /* Branch if result is false. */
+
+/* Start of the ASM code. */
+LJ_ASMF void lj_vm_asm_begin(void);
+
+/* Opcode handler offsets, relative to lj_vm_asm_begin. */
+LJ_ASMF const uint16_t lj_vm_op_ofs[];
+
+#define makeasmfunc(ofs) \
+  ((ASMFunction)((char *)lj_vm_asm_begin + (ofs)))
+
+#endif