Fresh start

1 files changed, 233 insertions, 0 deletions

diff --git a/jni/ruby/vm_insnhelper.h b/jni/ruby/vm_insnhelper.h
new file mode 100644
index 0000000..04daba3
--- /dev/null
+++ b/jni/ruby/vm_insnhelper.h
@@ -0,0 +1,233 @@
+/**********************************************************************
+
+  insnhelper.h - helper macros to implement each instructions
+
+  $Author: nobu $
+  created at: 04/01/01 15:50:34 JST
+
+  Copyright (C) 2004-2007 Koichi Sasada
+
+**********************************************************************/
+
+#ifndef RUBY_INSNHELPER_H
+#define RUBY_INSNHELPER_H
+
+/**
+ * VM Debug Level
+ *
+ * debug level:
+ *  0: no debug output
+ *  1: show instruction name
+ *  2: show stack frame when control stack frame is changed
+ *  3: show stack status
+ *  4: show register
+ *  5:
+ * 10: gc check
+ */
+
+#ifndef VMDEBUG
+#define VMDEBUG 0
+#endif
+
+#if 0
+#undef  VMDEBUG
+#define VMDEBUG 3
+#endif
+
+extern VALUE ruby_vm_const_missing_count;
+
+#if VM_COLLECT_USAGE_DETAILS
+#define COLLECT_USAGE_INSN(insn)           vm_collect_usage_insn(insn)
+#define COLLECT_USAGE_OPERAND(insn, n, op) vm_collect_usage_operand((insn), (n), ((VALUE)(op)))
+
+#define COLLECT_USAGE_REGISTER(reg, s)     vm_collect_usage_register((reg), (s))
+#else
+#define COLLECT_USAGE_INSN(insn)		/* none */
+#define COLLECT_USAGE_OPERAND(insn, n, op)	/* none */
+#define COLLECT_USAGE_REGISTER(reg, s)		/* none */
+#endif
+
+/**********************************************************/
+/* deal with stack                                        */
+/**********************************************************/
+
+#define PUSH(x) (SET_SV(x), INC_SP(1))
+#define TOPN(n) (*(GET_SP()-(n)-1))
+#define POPN(n) (DEC_SP(n))
+#define POP()   (DEC_SP(1))
+#define STACK_ADDR_FROM_TOP(n) (GET_SP()-(n))
+
+#define GET_TOS()  (tos)	/* dummy */
+
+/**********************************************************/
+/* deal with registers                                    */
+/**********************************************************/
+
+#define REG_CFP (reg_cfp)
+#define REG_PC  (REG_CFP->pc)
+#define REG_SP  (REG_CFP->sp)
+#define REG_EP  (REG_CFP->ep)
+
+#define RESTORE_REGS() do { \
+  REG_CFP = th->cfp; \
+} while (0)
+
+#define REG_A   reg_a
+#define REG_B   reg_b
+
+enum vm_regan_regtype {
+    VM_REGAN_PC = 0,
+    VM_REGAN_SP = 1,
+    VM_REGAN_EP = 2,
+    VM_REGAN_CFP = 3,
+    VM_REGAN_SELF = 4,
+    VM_REGAN_ISEQ = 5,
+};
+enum vm_regan_acttype {
+    VM_REGAN_ACT_GET = 0,
+    VM_REGAN_ACT_SET = 1,
+};
+
+#if VM_COLLECT_USAGE_DETAILS
+#define COLLECT_USAGE_REGISTER_HELPER(a, b, v) \
+  (COLLECT_USAGE_REGISTER((VM_REGAN_##a), (VM_REGAN_ACT_##b)), (v))
+#else
+#define COLLECT_USAGE_REGISTER_HELPER(a, b, v) (v)
+#endif
+
+/* PC */
+#define GET_PC()           (COLLECT_USAGE_REGISTER_HELPER(PC, GET, REG_PC))
+#define SET_PC(x)          (REG_PC = (COLLECT_USAGE_REGISTER_HELPER(PC, SET, (x))))
+#define GET_CURRENT_INSN() (*GET_PC())
+#define GET_OPERAND(n)     (GET_PC()[(n)])
+#define ADD_PC(n)          (SET_PC(REG_PC + (n)))
+
+#define GET_PC_COUNT()     (REG_PC - GET_ISEQ()->iseq_encoded)
+#define JUMP(dst)          (REG_PC += (dst))
+
+/* frame pointer, environment pointer */
+#define GET_CFP()  (COLLECT_USAGE_REGISTER_HELPER(CFP, GET, REG_CFP))
+#define GET_EP()   (COLLECT_USAGE_REGISTER_HELPER(EP, GET, REG_EP))
+#define SET_EP(x)  (REG_EP = (COLLECT_USAGE_REGISTER_HELPER(EP, SET, (x))))
+#define GET_LEP()  (VM_EP_LEP(GET_EP()))
+
+/* SP */
+#define GET_SP()   (COLLECT_USAGE_REGISTER_HELPER(SP, GET, REG_SP))
+#define SET_SP(x)  (REG_SP  = (COLLECT_USAGE_REGISTER_HELPER(SP, SET, (x))))
+#define INC_SP(x)  (REG_SP += (COLLECT_USAGE_REGISTER_HELPER(SP, SET, (x))))
+#define DEC_SP(x)  (REG_SP -= (COLLECT_USAGE_REGISTER_HELPER(SP, SET, (x))))
+#define SET_SV(x)  (*GET_SP() = (x))
+  /* set current stack value as x */
+
+#define GET_SP_COUNT() (REG_SP - th->stack)
+
+/* instruction sequence C struct */
+#define GET_ISEQ() (GET_CFP()->iseq)
+
+/**********************************************************/
+/* deal with variables                                    */
+/**********************************************************/
+
+#define GET_PREV_EP(ep)                ((VALUE *)((ep)[0] & ~0x03))
+
+#define GET_GLOBAL(entry)       rb_gvar_get((struct rb_global_entry*)(entry))
+#define SET_GLOBAL(entry, val)  rb_gvar_set((struct rb_global_entry*)(entry), (val))
+
+#define GET_CONST_INLINE_CACHE(dst) ((IC) * (GET_PC() + (dst) + 2))
+
+/**********************************************************/
+/* deal with values                                       */
+/**********************************************************/
+
+#define GET_SELF() (COLLECT_USAGE_REGISTER_HELPER(SELF, GET, GET_CFP()->self))
+
+/**********************************************************/
+/* deal with control flow 2: method/iterator              */
+/**********************************************************/
+
+#define COPY_CREF_OMOD(c1, c2) do {  \
+  RB_OBJ_WRITE((c1), &(c1)->nd_refinements, (c2)->nd_refinements); \
+  if (!NIL_P((c2)->nd_refinements)) { \
+      (c1)->flags |= NODE_FL_CREF_OMOD_SHARED; \
+      (c2)->flags |= NODE_FL_CREF_OMOD_SHARED; \
+  } \
+} while (0)
+
+#define COPY_CREF(c1, c2) do {  \
+  NODE *__tmp_c2 = (c2); \
+  COPY_CREF_OMOD(c1, __tmp_c2); \
+  RB_OBJ_WRITE((c1), &(c1)->nd_clss, __tmp_c2->nd_clss); \
+  (c1)->nd_visi = __tmp_c2->nd_visi;\
+  RB_OBJ_WRITE((c1), &(c1)->nd_next, __tmp_c2->nd_next); \
+  if (__tmp_c2->flags & NODE_FL_CREF_PUSHED_BY_EVAL) { \
+      (c1)->flags |= NODE_FL_CREF_PUSHED_BY_EVAL; \
+  } \
+} while (0)
+
+#define CALL_METHOD(ci) do { \
+    VALUE v = (*(ci)->call)(th, GET_CFP(), (ci)); \
+    if (v == Qundef) { \
+	RESTORE_REGS(); \
+	NEXT_INSN(); \
+    } \
+    else { \
+	val = v; \
+    } \
+} while (0)
+
+/* set fastpath when cached method is *NOT* protected
+ * because inline method cache does not care about receiver.
+ */
+
+#ifndef OPT_CALL_FASTPATH
+#define OPT_CALL_FASTPATH 1
+#endif
+
+#if OPT_CALL_FASTPATH
+#define CI_SET_FASTPATH(ci, func, enabled) do { \
+    if (LIKELY(enabled)) ((ci)->call = (func)); \
+} while (0)
+#else
+#define CI_SET_FASTPATH(ci, func, enabled) /* do nothing */
+#endif
+
+#define GET_BLOCK_PTR() ((rb_block_t *)(GC_GUARDED_PTR_REF(GET_LEP()[0])))
+
+/**********************************************************/
+/* deal with control flow 3: exception                    */
+/**********************************************************/
+
+
+/**********************************************************/
+/* others                                                 */
+/**********************************************************/
+
+/* optimize insn */
+#define FIXNUM_2_P(a, b) ((a) & (b) & 1)
+#if USE_FLONUM
+#define FLONUM_2_P(a, b) (((((a)^2) | ((b)^2)) & 3) == 0) /* (FLONUM_P(a) && FLONUM_P(b)) */
+#else
+#define FLONUM_2_P(a, b) 0
+#endif
+
+#ifndef USE_IC_FOR_SPECIALIZED_METHOD
+#define USE_IC_FOR_SPECIALIZED_METHOD 1
+#endif
+
+#define CALL_SIMPLE_METHOD(recv_) do { \
+    ci->blockptr = 0; ci->argc = ci->orig_argc; \
+    vm_search_method(ci, ci->recv = (recv_)); \
+    CALL_METHOD(ci); \
+} while (0)
+
+#define NEXT_CLASS_SERIAL() (++ruby_vm_class_serial)
+#define GET_GLOBAL_METHOD_STATE() (ruby_vm_global_method_state)
+#define INC_GLOBAL_METHOD_STATE() (++ruby_vm_global_method_state)
+#define GET_GLOBAL_CONSTANT_STATE() (ruby_vm_global_constant_state)
+#define INC_GLOBAL_CONSTANT_STATE() (++ruby_vm_global_constant_state)
+
+static VALUE make_no_method_exception(VALUE exc, const char *format,
+				      VALUE obj, int argc, const VALUE *argv);
+
+
+#endif /* RUBY_INSNHELPER_H */