Replaced asm_wrapper_patcher_BUILTIN_* with PATCHER_builtin_* macros in
[cacao.git] / src / vm / builtin.c
index 2a4de6f21bd80eca4dc1be83cf8bdb4158bbf32a..4d9f4bdf643ffbc5decd79f62d3c687e5ba79147 100644 (file)
@@ -1,4 +1,4 @@
-/* vm/builtin.c - functions for unsupported operations
+/* src/vm/builtin.c - functions for unsupported operations
 
    Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
    R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
             Andreas Krall
             Mark Probst
 
+   Changes: Christian Thalinger
+
    Contains C functions for JavaVM Instructions that cannot be
    translated to machine language directly. Consequently, the
    generated machine code for these instructions contains function
    calls instead of machine instructions, using the C calling
    convention.
 
-   $Id: builtin.c 1934 2005-02-10 10:58:43Z twisti $
+   $Id: builtin.c 2369 2005-04-25 14:06:16Z twisti $
 
 */
 
 
 #include <assert.h>
-#include <string.h>
 #include <math.h>
+#include <stdlib.h>
+#include <string.h>
 
+#include "config.h"
+#include "arch.h"
+#include "types.h"
 #include "mm/boehm.h"
 #include "mm/memory.h"
 #include "native/native.h"
 #include "vm/builtin.h"
 #include "vm/exceptions.h"
 #include "vm/global.h"
+#include "vm/initialize.h"
 #include "vm/loader.h"
 #include "vm/options.h"
 #include "vm/stringlocal.h"
 #include "vm/tables.h"
 #include "vm/jit/asmpart.h"
+#include "vm/jit/patcher.h"
 
 
 #undef DEBUG /*define DEBUG 1*/
@@ -75,6 +83,245 @@ THREADSPECIFIC methodinfo* _threadrootmethod = NULL;
 THREADSPECIFIC void *_thread_nativestackframeinfo = NULL;
 
 
+#if defined(USEBUILTINTABLE)
+
+#if 0
+stdopdescriptor builtintable[] = {
+       { ICMD_LCMP,   TYPE_LONG, TYPE_LONG, TYPE_INT, ICMD_BUILTIN2,
+         (functionptr) builtin_lcmp , SUPPORT_LONG && SUPPORT_LONG_CMP, false },
+       { ICMD_LAND,   TYPE_LONG, TYPE_LONG, TYPE_LONG, ICMD_BUILTIN2,
+         (functionptr) builtin_land , SUPPORT_LONG && SUPPORT_LONG_LOGICAL, false },
+       { ICMD_LOR,    TYPE_LONG, TYPE_LONG, TYPE_LONG, ICMD_BUILTIN2,
+         (functionptr) builtin_lor , SUPPORT_LONG && SUPPORT_LONG_LOGICAL, false },
+       { ICMD_LXOR,   TYPE_LONG, TYPE_LONG, TYPE_LONG, ICMD_BUILTIN2,
+         (functionptr) builtin_lxor , SUPPORT_LONG && SUPPORT_LONG_LOGICAL, false },
+       { ICMD_LSHL,   TYPE_LONG, TYPE_INT,  TYPE_LONG, ICMD_BUILTIN2,
+         (functionptr) builtin_lshl , SUPPORT_LONG && SUPPORT_LONG_SHIFT, false },
+       { ICMD_LSHR,   TYPE_LONG, TYPE_INT,  TYPE_LONG, ICMD_BUILTIN2,
+         (functionptr) builtin_lshr, SUPPORT_LONG && SUPPORT_LONG_SHIFT, false },
+       { ICMD_LUSHR,  TYPE_LONG, TYPE_INT,  TYPE_LONG, ICMD_BUILTIN2,
+         (functionptr) builtin_lushr, SUPPORT_LONG && SUPPORT_LONG_SHIFT, false },
+       { ICMD_LADD,   TYPE_LONG, TYPE_LONG, TYPE_LONG, ICMD_BUILTIN2,
+         (functionptr) builtin_ladd , SUPPORT_LONG && SUPPORT_LONG_ADD, false },
+       { ICMD_LSUB,   TYPE_LONG, TYPE_LONG, TYPE_LONG, ICMD_BUILTIN2,
+         (functionptr) builtin_lsub , SUPPORT_LONG && SUPPORT_LONG_ADD, false },
+       { ICMD_LNEG,   TYPE_LONG, TYPE_VOID, TYPE_LONG, ICMD_BUILTIN1, 
+         (functionptr) builtin_lneg, SUPPORT_LONG && SUPPORT_LONG_ADD, true },
+       { ICMD_LMUL,   TYPE_LONG, TYPE_LONG, TYPE_LONG, ICMD_BUILTIN2,
+         (functionptr) builtin_lmul , SUPPORT_LONG && SUPPORT_LONG_MUL, false },
+       { ICMD_I2F,    TYPE_INT, TYPE_VOID, TYPE_FLOAT, ICMD_BUILTIN1,
+         (functionptr) builtin_i2f, SUPPORT_FLOAT && SUPPORT_IFCVT, true },
+       { ICMD_I2D,    TYPE_INT, TYPE_VOID, TYPE_DOUBLE, ICMD_BUILTIN1, 
+         (functionptr) builtin_i2d, SUPPORT_DOUBLE && SUPPORT_IFCVT, true },
+       { ICMD_L2F,    TYPE_LONG, TYPE_VOID, TYPE_FLOAT, ICMD_BUILTIN1,
+         (functionptr) builtin_l2f, SUPPORT_LONG && SUPPORT_FLOAT && SUPPORT_LONG_FCVT, true },
+       { ICMD_L2D,    TYPE_LONG, TYPE_VOID, TYPE_DOUBLE, ICMD_BUILTIN1, 
+         (functionptr) builtin_l2d, SUPPORT_LONG && SUPPORT_DOUBLE && SUPPORT_LONG_FCVT, true },
+       { ICMD_F2L,    TYPE_FLOAT, TYPE_VOID, TYPE_LONG, ICMD_BUILTIN1,
+         (functionptr) builtin_f2l, SUPPORT_FLOAT && SUPPORT_LONG && SUPPORT_LONG_ICVT, true },
+       { ICMD_D2L,    TYPE_DOUBLE, TYPE_VOID, TYPE_LONG, ICMD_BUILTIN1,
+         (functionptr) builtin_d2l, SUPPORT_DOUBLE && SUPPORT_LONG && SUPPORT_LONG_ICVT, true },
+       { ICMD_F2I,    TYPE_FLOAT, TYPE_VOID, TYPE_INT, ICMD_BUILTIN1,
+         (functionptr) builtin_f2i, SUPPORT_FLOAT && SUPPORT_FICVT, true },
+       { ICMD_D2I,    TYPE_DOUBLE, TYPE_VOID, TYPE_INT, ICMD_BUILTIN1,
+         (functionptr) builtin_d2i, SUPPORT_DOUBLE && SUPPORT_FICVT, true },
+       { 255, 0, 0, 0, 0, NULL, true, false },
+};
+
+#endif
+
+static int builtintablelen;
+
+#endif /* USEBUILTINTABLE */
+
+
+/*****************************************************************************
+                                                TABLE OF BUILTIN FUNCTIONS
+
+    This table lists the builtin functions which are used inside
+    BUILTIN* opcodes.
+
+    The first part of the table (up to the 255-marker) lists the
+    opcodes which are automatically replaced in stack.c.
+
+    The second part lists the builtin functions which are "manually"
+    used for BUILTIN* opcodes in parse.c and stack.c.
+
+*****************************************************************************/
+
+builtin_descriptor builtin_desc[] = {
+#if defined(USEBUILTINTABLE)
+       {ICMD_LCMP , BUILTIN_lcmp ,ICMD_BUILTIN2,TYPE_LONG  ,TYPE_LONG  ,TYPE_VOID ,TYPE_INT   ,
+                    SUPPORT_LONG && SUPPORT_LONG_CMP,false,"lcmp"},
+       
+       {ICMD_LAND , BUILTIN_land ,ICMD_BUILTIN2,TYPE_LONG  ,TYPE_LONG  ,TYPE_VOID ,TYPE_LONG  ,
+                    SUPPORT_LONG && SUPPORT_LONG_LOGICAL,false,"land"},
+       {ICMD_LOR  , BUILTIN_lor  ,ICMD_BUILTIN2,TYPE_LONG  ,TYPE_LONG  ,TYPE_VOID ,TYPE_LONG  ,
+                    SUPPORT_LONG && SUPPORT_LONG_LOGICAL,false,"lor"},
+       {ICMD_LXOR , BUILTIN_lxor ,ICMD_BUILTIN2,TYPE_LONG  ,TYPE_LONG  ,TYPE_VOID ,TYPE_LONG  ,
+                    SUPPORT_LONG && SUPPORT_LONG_LOGICAL,false,"lxor"},
+       
+       {ICMD_LSHL , BUILTIN_lshl ,ICMD_BUILTIN2,TYPE_LONG  ,TYPE_INT   ,TYPE_VOID ,TYPE_LONG  ,
+                    SUPPORT_LONG && SUPPORT_LONG_SHIFT,false,"lshl"},
+       {ICMD_LSHR , BUILTIN_lshr ,ICMD_BUILTIN2,TYPE_LONG  ,TYPE_INT   ,TYPE_VOID ,TYPE_LONG  ,
+                    SUPPORT_LONG && SUPPORT_LONG_SHIFT,false,"lshr"},
+       {ICMD_LUSHR, BUILTIN_lushr,ICMD_BUILTIN2,TYPE_LONG  ,TYPE_INT   ,TYPE_VOID ,TYPE_LONG  ,
+                    SUPPORT_LONG && SUPPORT_LONG_SHIFT,false,"lushr"},
+       
+       {ICMD_LADD , BUILTIN_ladd ,ICMD_BUILTIN2,TYPE_LONG  ,TYPE_LONG  ,TYPE_VOID ,TYPE_LONG  ,
+                    SUPPORT_LONG && SUPPORT_LONG_ADD,false,"ladd"},
+       {ICMD_LSUB , BUILTIN_lsub ,ICMD_BUILTIN2,TYPE_LONG  ,TYPE_LONG  ,TYPE_VOID ,TYPE_LONG  ,
+                    SUPPORT_LONG && SUPPORT_LONG_ADD,false,"lsub"},
+       {ICMD_LNEG , BUILTIN_lneg ,ICMD_BUILTIN1,TYPE_LONG  ,TYPE_VOID  ,TYPE_VOID ,TYPE_LONG  ,
+                    SUPPORT_LONG && SUPPORT_LONG_ADD,false,"lneg"},
+       {ICMD_LMUL , BUILTIN_lmul ,ICMD_BUILTIN2,TYPE_LONG  ,TYPE_LONG  ,TYPE_VOID ,TYPE_LONG  ,
+                    SUPPORT_LONG && SUPPORT_LONG_MUL,false,"lmul"},
+       
+       {ICMD_I2F  , BUILTIN_i2f  ,ICMD_BUILTIN1,TYPE_INT   ,TYPE_VOID  ,TYPE_VOID ,TYPE_FLOAT ,
+                    SUPPORT_FLOAT && SUPPORT_IFCVT,true ,"i2f"},
+       {ICMD_I2D  , BUILTIN_i2d  ,ICMD_BUILTIN1,TYPE_INT   ,TYPE_VOID  ,TYPE_VOID ,TYPE_DOUBLE,
+                    SUPPORT_DOUBLE && SUPPORT_IFCVT,true ,"i2d"},
+       {ICMD_L2F  , BUILTIN_l2f  ,ICMD_BUILTIN1,TYPE_LONG  ,TYPE_VOID  ,TYPE_VOID ,TYPE_FLOAT ,
+                    SUPPORT_LONG && SUPPORT_FLOAT && SUPPORT_LONG_FCVT,true ,"l2f"},
+       {ICMD_L2D  , BUILTIN_l2d  ,ICMD_BUILTIN1,TYPE_LONG  ,TYPE_VOID  ,TYPE_VOID ,TYPE_DOUBLE,
+                    SUPPORT_LONG && SUPPORT_DOUBLE && SUPPORT_LONG_FCVT,true ,"l2d"},
+       {ICMD_F2L  , BUILTIN_f2l  ,ICMD_BUILTIN1,TYPE_FLOAT ,TYPE_VOID  ,TYPE_VOID ,TYPE_LONG  ,
+                    SUPPORT_FLOAT && SUPPORT_LONG && SUPPORT_LONG_ICVT,true ,"f2l"},
+       {ICMD_D2L  , BUILTIN_d2l  ,ICMD_BUILTIN1,TYPE_DOUBLE,TYPE_VOID  ,TYPE_VOID ,TYPE_LONG  ,
+                    SUPPORT_DOUBLE && SUPPORT_LONG && SUPPORT_LONG_ICVT,true ,"d2l"},
+       {ICMD_F2I  , BUILTIN_f2i  ,ICMD_BUILTIN1,TYPE_FLOAT ,TYPE_VOID  ,TYPE_VOID ,TYPE_INT   ,
+                    SUPPORT_FLOAT && SUPPORT_FICVT,true ,"f2i"},
+       {ICMD_D2I  , BUILTIN_d2i  ,ICMD_BUILTIN1,TYPE_DOUBLE,TYPE_VOID  ,TYPE_VOID ,TYPE_INT   ,
+                    SUPPORT_DOUBLE && SUPPORT_FICVT,true ,"d2i"},
+
+       { ICMD_FADD , BUILTIN_fadd  , ICMD_BUILTIN2, TYPE_FLT, TYPE_FLT  , TYPE_VOID , TYPE_FLT, SUPPORT_FLOAT, true, "fadd"  },
+       { ICMD_FSUB , BUILTIN_fsub  , ICMD_BUILTIN2, TYPE_FLT, TYPE_FLT  , TYPE_VOID , TYPE_FLT, SUPPORT_FLOAT, true, "fsub"  },
+       { ICMD_FMUL , BUILTIN_fmul  , ICMD_BUILTIN2, TYPE_FLT, TYPE_FLT  , TYPE_VOID , TYPE_FLT, SUPPORT_FLOAT, true, "fmul"  },
+       { ICMD_FDIV , BUILTIN_fdiv  , ICMD_BUILTIN2, TYPE_FLT, TYPE_FLT  , TYPE_VOID , TYPE_FLT, SUPPORT_FLOAT, true, "fdiv"  },
+       { ICMD_FNEG , BUILTIN_fneg  , ICMD_BUILTIN1, TYPE_FLT, TYPE_VOID , TYPE_VOID , TYPE_FLT, SUPPORT_FLOAT, true, "fneg"  },
+       { ICMD_FCMPL, BUILTIN_fcmpl , ICMD_BUILTIN2, TYPE_FLT, TYPE_FLT  , TYPE_VOID , TYPE_INT, SUPPORT_FLOAT, true, "fcmpl" },
+       { ICMD_FCMPG, BUILTIN_fcmpg , ICMD_BUILTIN2, TYPE_FLT, TYPE_FLT  , TYPE_VOID , TYPE_INT, SUPPORT_FLOAT, true, "fcmpg" },
+
+       { ICMD_DADD , BUILTIN_dadd  , ICMD_BUILTIN2, TYPE_DBL, TYPE_DBL  , TYPE_VOID , TYPE_DBL, SUPPORT_DOUBLE, true, "dadd"  },
+       { ICMD_DSUB , BUILTIN_dsub  , ICMD_BUILTIN2, TYPE_DBL, TYPE_DBL  , TYPE_VOID , TYPE_DBL, SUPPORT_DOUBLE, true, "dsub"  },
+       { ICMD_DMUL , BUILTIN_dmul  , ICMD_BUILTIN2, TYPE_DBL, TYPE_DBL  , TYPE_VOID , TYPE_DBL, SUPPORT_DOUBLE, true, "dmul"  },
+       { ICMD_DDIV , BUILTIN_ddiv  , ICMD_BUILTIN2, TYPE_DBL, TYPE_DBL  , TYPE_VOID , TYPE_DBL, SUPPORT_DOUBLE, true, "ddiv"  },
+       { ICMD_DNEG , BUILTIN_dneg  , ICMD_BUILTIN1, TYPE_DBL, TYPE_VOID , TYPE_VOID , TYPE_DBL, SUPPORT_DOUBLE, true, "dneg"  },
+       { ICMD_DCMPL, BUILTIN_dcmpl , ICMD_BUILTIN2, TYPE_DBL, TYPE_DBL  , TYPE_VOID , TYPE_INT, SUPPORT_DOUBLE, true, "dcmpl" },
+       { ICMD_DCMPG, BUILTIN_dcmpg , ICMD_BUILTIN2, TYPE_DBL, TYPE_DBL  , TYPE_VOID , TYPE_INT, SUPPORT_DOUBLE, true, "dcmpg" },
+
+       { ICMD_F2D,  BUILTIN_f2d  , ICMD_BUILTIN1, TYPE_FLT, TYPE_VOID , TYPE_VOID , TYPE_DBL, SUPPORT_FLOAT && SUPPORT_DOUBLE, true, "f2d" },
+       { ICMD_D2F,  BUILTIN_d2f  , ICMD_BUILTIN1, TYPE_DBL, TYPE_VOID , TYPE_VOID , TYPE_FLT, SUPPORT_FLOAT && SUPPORT_DOUBLE, true, "d2f" },
+#endif
+
+       /* this record marks the end of the automatically replaced opcodes */
+       {255,NULL,0,0,0,0,0,0,0,"<INVALID>"},
+
+       /* the following functions are not replaced automatically */
+       
+#if defined(__ALPHA__)
+       {255, BUILTIN_f2l  ,ICMD_BUILTIN1,TYPE_FLOAT ,TYPE_VOID  ,TYPE_VOID ,TYPE_LONG  ,0,0,"f2l"},
+       {255, BUILTIN_d2l  ,ICMD_BUILTIN1,TYPE_DOUBLE,TYPE_VOID  ,TYPE_VOID ,TYPE_LONG  ,0,0,"d2l"},
+       {255, BUILTIN_f2i  ,ICMD_BUILTIN1,TYPE_FLOAT ,TYPE_VOID  ,TYPE_VOID ,TYPE_INT   ,0,0,"f2i"},
+       {255, BUILTIN_d2i  ,ICMD_BUILTIN1,TYPE_DOUBLE,TYPE_VOID  ,TYPE_VOID ,TYPE_INT   ,0,0,"d2i"},
+#endif
+
+       {255,BUILTIN_instanceof      ,ICMD_BUILTIN2,TYPE_ADR   ,TYPE_ADR   ,TYPE_VOID  ,TYPE_INT   ,0,0,"instanceof"},
+       {255,BUILTIN_arrayinstanceof ,ICMD_BUILTIN2,TYPE_ADR   ,TYPE_ADR   ,TYPE_VOID  ,TYPE_INT   ,0,0,"arrayinstanceof"},
+       {255,BUILTIN_checkarraycast  ,ICMD_BUILTIN2,TYPE_ADR   ,TYPE_ADR   ,TYPE_VOID  ,TYPE_VOID  ,0,0,"checkarraycast"},
+       {255,BUILTIN_aastore         ,ICMD_BUILTIN3,TYPE_ADR   ,TYPE_INT   ,TYPE_ADR   ,TYPE_VOID  ,0,0,"aastore"},
+       {255,BUILTIN_new             ,ICMD_BUILTIN1,TYPE_ADR   ,TYPE_VOID  ,TYPE_VOID  ,TYPE_ADR   ,0,0,"new"},
+       {255,BUILTIN_newarray        ,ICMD_BUILTIN2,TYPE_INT   ,TYPE_ADR   ,TYPE_VOID  ,TYPE_ADR   ,0,0,"newarray"},
+       {255,BUILTIN_newarray_boolean,ICMD_BUILTIN1,TYPE_INT   ,TYPE_VOID  ,TYPE_VOID  ,TYPE_ADR   ,0,0,"newarray_boolean"},
+       {255,BUILTIN_newarray_char   ,ICMD_BUILTIN1,TYPE_INT   ,TYPE_VOID  ,TYPE_VOID  ,TYPE_ADR   ,0,0,"newarray_char"},
+       {255,BUILTIN_newarray_float  ,ICMD_BUILTIN1,TYPE_INT   ,TYPE_VOID  ,TYPE_VOID  ,TYPE_ADR   ,0,0,"newarray_float"},
+       {255,BUILTIN_newarray_double ,ICMD_BUILTIN1,TYPE_INT   ,TYPE_VOID  ,TYPE_VOID  ,TYPE_ADR   ,0,0,"newarray_double"},
+       {255,BUILTIN_newarray_byte   ,ICMD_BUILTIN1,TYPE_INT   ,TYPE_VOID  ,TYPE_VOID  ,TYPE_ADR   ,0,0,"newarray_byte"},
+       {255,BUILTIN_newarray_short  ,ICMD_BUILTIN1,TYPE_INT   ,TYPE_VOID  ,TYPE_VOID  ,TYPE_ADR   ,0,0,"newarray_short"},
+       {255,BUILTIN_newarray_int    ,ICMD_BUILTIN1,TYPE_INT   ,TYPE_VOID  ,TYPE_VOID  ,TYPE_ADR   ,0,0,"newarray_int"},
+       {255,BUILTIN_newarray_long   ,ICMD_BUILTIN1,TYPE_INT   ,TYPE_VOID  ,TYPE_VOID  ,TYPE_ADR   ,0,0,"newarray_long"},
+#if defined(USE_THREADS)
+       {255,BUILTIN_monitorenter    ,ICMD_BUILTIN1,TYPE_ADR   ,TYPE_VOID  ,TYPE_VOID  ,TYPE_VOID  ,0,0,"monitorenter"},
+       {255,BUILTIN_monitorexit     ,ICMD_BUILTIN1,TYPE_ADR   ,TYPE_VOID  ,TYPE_VOID  ,TYPE_VOID  ,0,0,"monitorexit"},
+#endif
+#if !SUPPORT_DIVISION
+       {255,BUILTIN_idiv            ,ICMD_BUILTIN2,TYPE_INT   ,TYPE_INT   ,TYPE_VOID  ,TYPE_INT   ,0,0,"idiv"},
+       {255,BUILTIN_irem            ,ICMD_BUILTIN2,TYPE_INT   ,TYPE_INT   ,TYPE_VOID  ,TYPE_INT   ,0,0,"irem"},
+#endif
+#if !(SUPPORT_DIVISION && SUPPORT_LONG && SUPPORT_LONG_DIV)
+       {255,BUILTIN_ldiv            ,ICMD_BUILTIN2,TYPE_LONG  ,TYPE_LONG  ,TYPE_VOID  ,TYPE_LONG  ,0,0,"ldiv"},
+       {255,BUILTIN_lrem            ,ICMD_BUILTIN2,TYPE_LONG  ,TYPE_LONG  ,TYPE_VOID  ,TYPE_LONG  ,0,0,"lrem"},
+#endif
+       {255,BUILTIN_frem            ,ICMD_BUILTIN2,TYPE_FLOAT ,TYPE_FLOAT ,TYPE_VOID  ,TYPE_FLOAT ,0,0,"frem"},
+       {255,BUILTIN_drem            ,ICMD_BUILTIN2,TYPE_DOUBLE,TYPE_DOUBLE,TYPE_VOID  ,TYPE_DOUBLE,0,0,"drem"},
+
+
+#if defined(__X86_64__) || defined(__I386__)
+       /* assembler code patching functions */
+
+       { 255, PATCHER_builtin_new            , ICMD_BUILTIN1, TYPE_ADR   , TYPE_VOID  , TYPE_VOID  , TYPE_ADR   , 0, 0, "new (calling patcher_builtin_new)" },
+       { 255, PATCHER_builtin_newarray       , ICMD_BUILTIN1, TYPE_ADR   , TYPE_VOID  , TYPE_VOID  , TYPE_ADR   , 0, 0, "newarray (calling patcher_builtin_newarray)" },
+       { 255, PATCHER_builtin_checkarraycast , ICMD_BUILTIN2, TYPE_ADR   , TYPE_ADR   , TYPE_VOID  , TYPE_VOID  , 0, 0, "checkarraycast (calling patcher_builtin_checkarraycast)" },
+       { 255, PATCHER_builtin_arrayinstanceof, ICMD_BUILTIN2, TYPE_ADR   , TYPE_ADR   , TYPE_VOID  , TYPE_INT   , 0, 0, "arrayinstanceof (calling patcher_builtin_arrayinstanceof)" },
+#endif
+
+
+       /* this record marks the end of the list */
+
+       {   0, NULL, 0, 0, 0, 0, 0, 0, 0, "<END>" }
+};
+
+
+#if defined(USEBUILTINTABLE)
+
+static int stdopcompare(const void *a, const void *b)
+{
+       builtin_descriptor *o1 = (builtin_descriptor *) a;
+       builtin_descriptor *o2 = (builtin_descriptor *) b;
+       if (!o1->supported && o2->supported)
+               return -1;
+       if (o1->supported && !o2->supported)
+               return 1;
+       return (o1->opcode < o2->opcode) ? -1 : (o1->opcode > o2->opcode);
+}
+
+
+void sort_builtintable(void)
+{
+       int len;
+
+       len = 0;
+       while (builtin_desc[len].opcode != 255) len++;
+       qsort(builtin_desc, len, sizeof(builtin_descriptor), stdopcompare);
+
+       for (--len; len>=0 && builtin_desc[len].supported; len--);
+       builtintablelen = ++len;
+}
+
+
+builtin_descriptor *find_builtin(int icmd)
+{
+       builtin_descriptor *first = builtin_desc;
+       builtin_descriptor *last = builtin_desc + builtintablelen;
+       int len = last - first;
+       int half;
+       builtin_descriptor *middle;
+
+       while (len > 0) {
+               half = len / 2;
+               middle = first + half;
+               if (middle->opcode < icmd) {
+                       first = middle + 1;
+                       len -= half + 1;
+               } else
+                       len = half;
+       }
+       return first != last ? first : NULL;
+}
+
+#endif /* defined(USEBUILTINTABLE) */
+
+
 /*****************************************************************************
                                                                TYPE CHECKS
 *****************************************************************************/
@@ -149,8 +396,10 @@ s4 builtin_instanceof(java_objectheader *obj, classinfo *class)
 #ifdef DEBUG
        log_text ("builtin_instanceof called");
 #endif 
-       if (!obj) return 0;
-       return builtin_isanysubclass (obj->vftbl->class, class);
+       if (!obj)
+               return 0;
+
+       return builtin_isanysubclass(obj->vftbl->class, class);
 }
 
 
@@ -186,21 +435,28 @@ s4 builtin_checkcast(java_objectheader *obj, classinfo *class)
 }
 
 
-/*********** internal function: builtin_descriptorscompatible ******************
+/* builtin_descriptorscompatible ***********************************************
 
-       Checks if two array type descriptors are assignment compatible
-       Return value:  1 ... target = desc is possible
-                                  0 ... otherwise
+   Checks if two array type descriptors are assignment compatible
+
+   Return value: 1 ... target = desc is possible
+                 0 ... otherwise
                        
-******************************************************************************/
+*******************************************************************************/
 
-static s4 builtin_descriptorscompatible(arraydescriptor *desc,arraydescriptor *target)
+static s4 builtin_descriptorscompatible(arraydescriptor *desc, arraydescriptor *target)
 {
-       if (desc==target) return 1;
-       if (desc->arraytype != target->arraytype) return 0;
-       if (desc->arraytype != ARRAYTYPE_OBJECT) return 1;
+       if (desc == target)
+               return 1;
+
+       if (desc->arraytype != target->arraytype)
+               return 0;
+
+       if (desc->arraytype != ARRAYTYPE_OBJECT)
+               return 1;
        
        /* {both arrays are arrays of references} */
+
        if (desc->dimension == target->dimension) {
                /* an array which contains elements of interface types is allowed to be casted to Object (JOWENN)*/
                if ( (desc->elementvftbl->baseval<0) && (target->elementvftbl->baseval==1) ) return 1;
@@ -209,34 +465,33 @@ static s4 builtin_descriptorscompatible(arraydescriptor *desc,arraydescriptor *t
        if (desc->dimension < target->dimension) return 0;
 
        /* {desc has higher dimension than target} */
-       return builtin_isanysubclass_vftbl(pseudo_class_Arraystub_vftbl,target->elementvftbl);
+       return builtin_isanysubclass_vftbl(pseudo_class_Arraystub->vftbl, target->elementvftbl);
 }
 
 
-/******************** function: builtin_checkarraycast ***********************
+/* builtin_checkarraycast ******************************************************
 
-       Checks if an object is really a subtype of the requested array type.
-       The object has to be an array to begin with. For simple arrays (int, short,
-       double, etc.) the types have to match exactly.
-       For arrays of objects, the type of elements in the array has to be a
-       subtype (or the same type) of the requested element type. For arrays of
-       arrays (which in turn can again be arrays of arrays), the types at the
-       lowest level have to satisfy the corresponding sub class relation.
-       
-       Return value:  1 ... cast is possible
-                                  0 ... otherwise
+   Checks if an object is really a subtype of the requested array
+   type.  The object has to be an array to begin with. For simple
+   arrays (int, short, double, etc.) the types have to match exactly.
+   For arrays of objects, the type of elements in the array has to be
+   a subtype (or the same type) of the requested element type. For
+   arrays of arrays (which in turn can again be arrays of arrays), the
+   types at the lowest level have to satisfy the corresponding sub
+   class relation.
        
-       ATTENTION: a cast with a NULL pointer is always possible.
-                       
-*****************************************************************************/
+*******************************************************************************/
 
 s4 builtin_checkarraycast(java_objectheader *o, vftbl_t *target)
 {
        arraydescriptor *desc;
-       
-       if (!o) return 1;
-       if ((desc = o->vftbl->arraydesc) == NULL) return 0;
 
+       if (!o)
+               return 1;
+
+       if ((desc = o->vftbl->arraydesc) == NULL)
+               return 0;
        return builtin_descriptorscompatible(desc, target->arraydesc);
 }
 
@@ -430,52 +685,45 @@ s4 builtin_canstore_onedim_class(java_objectarray *a, java_objectheader *o)
 }
 
 
-/******************** Function: builtin_new **********************************
+/* builtin_new *****************************************************************
 
-       Creates a new instance of class c on the heap.
-       Return value:  pointer to the object or NULL if no memory is
-                                  available
-                       
-*****************************************************************************/
+   Creates a new instance of class c on the heap.
 
-#define ALIGNMENT 3
-#define align_size(size)       ((size + ((1 << ALIGNMENT) - 1)) & ~((1 << ALIGNMENT) - 1))
+   Return value: pointer to the object or NULL if no memory is
+   available
+                       
+*******************************************************************************/
 
 java_objectheader *builtin_new(classinfo *c)
 {
        java_objectheader *o;
 
        /* is the class loaded */
-       if (!c->loaded)
-               if (!class_load(c))
-                       return NULL;
+       /*utf_fprint(stderr,c->name);fprintf(stderr,"\n");*/
+       assert(c->loaded);
 
        /* is the class linked */
        if (!c->linked)
-               if (!class_link(c))
+               if (!link_class(c))
                        return NULL;
 
        if (!c->initialized) {
                if (initverbose)
                        log_message_class("Initialize class (from builtin_new): ", c);
 
-               if (!class_init(c))
+               if (!initialize_class(c))
                        return NULL;
        }
 
-#ifdef SIZE_FROM_CLASSINFO
-       c->alignedsize = align_size(c->instancesize);
-       o = heap_allocate(c->alignedsize, true, c->finalizer);
-#else
        o = heap_allocate(c->instancesize, true, c->finalizer);
-#endif
 
        if (!o)
                return NULL;
 
-       memset(o, 0, c->instancesize);
+       MSET(o, 0, u1, c->instancesize);
 
        o->vftbl = c->vftbl;
+
 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
        initObjectLock(o);
 #endif
@@ -484,16 +732,16 @@ java_objectheader *builtin_new(classinfo *c)
 }
 
 
-/********************** Function: builtin_newarray **************************
+/* builtin_newarray ************************************************************
 
-       Creates an array with the given vftbl on the heap.
+   Creates an array with the given vftbl on the heap.
 
-       Return value:  pointer to the array or NULL if no memory is available
+   Return value: pointer to the array or NULL if no memory is available
 
-    CAUTION: The given vftbl must be the vftbl of the *array* class,
-    not of the element class.
+   CAUTION: The given vftbl must be the vftbl of the *array* class,
+   not of the element class.
 
-*****************************************************************************/
+*******************************************************************************/
 
 java_arrayheader *builtin_newarray(s4 size, vftbl_t *arrayvftbl)
 {
@@ -508,236 +756,244 @@ java_arrayheader *builtin_newarray(s4 size, vftbl_t *arrayvftbl)
        componentsize = desc->componentsize;
 
        if (size < 0) {
-               *exceptionptr =
-                       new_exception(string_java_lang_NegativeArraySizeException);
+               *exceptionptr = new_negativearraysizeexception();
                return NULL;
        }
 
-#ifdef SIZE_FROM_CLASSINFO
-       actualsize = align_size(dataoffset + size * componentsize);
        actualsize = dataoffset + size * componentsize;
-#else
-       actualsize = 0;
-#endif
 
        if (((u4) actualsize) < ((u4) size)) { /* overflow */
                *exceptionptr = new_exception(string_java_lang_OutOfMemoryError);
                return NULL;
        }
 
-       a = heap_allocate(actualsize,
-                                         (desc->arraytype == ARRAYTYPE_OBJECT),
-                                         NULL);
+       a = heap_allocate(actualsize, (desc->arraytype == ARRAYTYPE_OBJECT), NULL);
 
        if (!a)
                return NULL;
 
-       memset(a, 0, actualsize);
+       MSET(a, 0, u1, actualsize);
 
        a->objheader.vftbl = arrayvftbl;
+
 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
        initObjectLock(&a->objheader);
 #endif
+
        a->size = size;
-#ifdef SIZE_FROM_CLASSINFO
-       a->alignedsize = actualsize;
-#endif
 
        return a;
 }
 
 
-/********************** Function: builtin_anewarray *************************
-
-       Creates an array of references to the given class type on the heap.
+/* builtin_anewarray ***********************************************************
 
-       Return value: pointer to the array or NULL if no memory is available
+   Creates an array of references to the given class type on the heap.
 
-    XXX This function does not do The Right Thing, because it uses a
-    classinfo pointer at runtime. builtin_newarray should be used
-    instead.
+   Return value: pointer to the array or NULL if no memory is
+   available
 
-*****************************************************************************/
+*******************************************************************************/
 
 java_objectarray *builtin_anewarray(s4 size, classinfo *component)
 {
+       classinfo *c;
+       
        /* is class loaded */
-       if (!component->loaded)
-               if (!class_load(component))
-                       return NULL;
+       assert(component->loaded);
 
        /* is class linked */
        if (!component->linked)
-               if (!class_link(component))
+               if (!link_class(component))
                        return NULL;
 
-       return (java_objectarray *) builtin_newarray(size, class_array_of(component)->vftbl);
+       c = class_array_of(component, true);
+
+       if (!c)
+               return NULL;
+
+       return (java_objectarray *) builtin_newarray(size, c->vftbl);
 }
 
 
-/******************** Function: builtin_newarray_int ***********************
+/* builtin_newarray_int ********************************************************
 
-       Creates an array of 32 bit Integers on the heap.
+   Creates an array of 32 bit Integers on the heap.
 
-       Return value:  pointer to the array or NULL if no memory is available
+   Return value: pointer to the array or NULL if no memory is
+   available
 
-*****************************************************************************/
+*******************************************************************************/
 
 java_intarray *builtin_newarray_int(s4 size)
 {
-       return (java_intarray*) builtin_newarray(size, primitivetype_table[ARRAYTYPE_INT].arrayvftbl);
+       return (java_intarray *)
+               builtin_newarray(size, primitivetype_table[ARRAYTYPE_INT].arrayvftbl);
 }
 
 
-/******************** Function: builtin_newarray_long ***********************
+/* builtin_newarray_long *******************************************************
 
-       Creates an array of 64 bit Integers on the heap.
+   Creates an array of 64 bit Integers on the heap.
 
-       Return value:  pointer to the array or NULL if no memory is available
+   Return value: pointer to the array or NULL if no memory is
+   available
 
-*****************************************************************************/
+*******************************************************************************/
 
 java_longarray *builtin_newarray_long(s4 size)
 {
-       return (java_longarray*) builtin_newarray(size, primitivetype_table[ARRAYTYPE_LONG].arrayvftbl);
+       return (java_longarray *)
+               builtin_newarray(size, primitivetype_table[ARRAYTYPE_LONG].arrayvftbl);
 }
 
 
-/******************** function: builtin_newarray_float ***********************
+/* builtin_newarray_float ******************************************************
 
-       Creates an array of 32 bit IEEE floats on the heap.
+   Creates an array of 32 bit IEEE floats on the heap.
 
-       Return value:  pointer to the array or NULL if no memory is available
+   Return value: pointer to the array or NULL if no memory is
+   available
 
-*****************************************************************************/
+*******************************************************************************/
 
 java_floatarray *builtin_newarray_float(s4 size)
 {
-       return (java_floatarray*) builtin_newarray(size, primitivetype_table[ARRAYTYPE_FLOAT].arrayvftbl);
+       return (java_floatarray *)
+               builtin_newarray(size, primitivetype_table[ARRAYTYPE_FLOAT].arrayvftbl);
 }
 
 
-/******************** function: builtin_newarray_double ***********************
+/* builtin_newarray_double *****************************************************
 
-       Creates an array of 64 bit IEEE floats on the heap.
+   Creates an array of 64 bit IEEE floats on the heap.
 
-       Return value:  pointer to the array or NULL if no memory is available
+   Return value: pointer to the array or NULL if no memory is
+   available
 
-*****************************************************************************/
+*******************************************************************************/
 
 java_doublearray *builtin_newarray_double(s4 size)
 {
-       return (java_doublearray*) builtin_newarray(size, primitivetype_table[ARRAYTYPE_DOUBLE].arrayvftbl);
+       return (java_doublearray *)
+               builtin_newarray(size,
+                                                primitivetype_table[ARRAYTYPE_DOUBLE].arrayvftbl);
 }
 
 
-/******************** function: builtin_newarray_byte ***********************
+/* builtin_newarray_byte *******************************************************
 
-       Creates an array of 8 bit Integers on the heap.
+   Creates an array of 8 bit Integers on the heap.
 
-       Return value:  pointer to the array or NULL if no memory is available
+   Return value: pointer to the array or NULL if no memory is
+   available
 
-*****************************************************************************/
+*******************************************************************************/
 
 java_bytearray *builtin_newarray_byte(s4 size)
 {
-       return (java_bytearray*) builtin_newarray(size, primitivetype_table[ARRAYTYPE_BYTE].arrayvftbl);
+       return (java_bytearray *)
+               builtin_newarray(size, primitivetype_table[ARRAYTYPE_BYTE].arrayvftbl);
 }
 
 
-/******************** function: builtin_newarray_char ************************
+/* builtin_newarray_char *******************************************************
 
-       Creates an array of characters on the heap.
+   Creates an array of characters on the heap.
 
-       Return value:  pointer to the array or NULL if no memory is available
+   Return value: pointer to the array or NULL if no memory is
+   available
 
-*****************************************************************************/
+*******************************************************************************/
 
 java_chararray *builtin_newarray_char(s4 size)
 {
-       return (java_chararray*) builtin_newarray(size, primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl);
+       return (java_chararray *)
+               builtin_newarray(size, primitivetype_table[ARRAYTYPE_CHAR].arrayvftbl);
 }
 
 
-/******************** function: builtin_newarray_short ***********************
+/* builtin_newarray_short ******************************************************
 
-       Creates an array of 16 bit Integers on the heap.
+   Creates an array of 16 bit Integers on the heap.
 
-       Return value:  pointer to the array or NULL if no memory is available
+   Return value: pointer to the array or NULL if no memory is
+   available
 
-*****************************************************************************/
+*******************************************************************************/
 
 java_shortarray *builtin_newarray_short(s4 size)
 {
-       return (java_shortarray*) builtin_newarray(size, primitivetype_table[ARRAYTYPE_SHORT].arrayvftbl);
+       return (java_shortarray *)
+               builtin_newarray(size, primitivetype_table[ARRAYTYPE_SHORT].arrayvftbl);
 }
 
 
-/******************** function: builtin_newarray_boolean ************************
+/* builtin_newarray_boolean ****************************************************
 
-       Creates an array of bytes on the heap. The array is designated as an array
-       of booleans (important for casts)
+   Creates an array of bytes on the heap. The array is designated as
+   an array of booleans (important for casts)
        
-       Return value:  pointer to the array or NULL if no memory is available
+   Return value: pointer to the array or NULL if no memory is
+   available
 
-*****************************************************************************/
+*******************************************************************************/
 
 java_booleanarray *builtin_newarray_boolean(s4 size)
 {
-       return (java_booleanarray*) builtin_newarray(size, primitivetype_table[ARRAYTYPE_BOOLEAN].arrayvftbl);
+       return (java_booleanarray *)
+               builtin_newarray(size,
+                                                primitivetype_table[ARRAYTYPE_BOOLEAN].arrayvftbl);
 }
 
 
-/**************** function: builtin_nmultianewarray ***************************
+/* builtin_multianewarray ******************************************************
 
-       Creates a multi-dimensional array on the heap. The dimensions are passed in
-       an array of longs.
+   Creates a multi-dimensional array on the heap. The dimensions are
+   passed in an array of longs.
 
-    Arguments:
-        n............number of dimensions to create
-        arrayvftbl...vftbl of the array class
-        dims.........array containing the size of each dimension to create
+   Arguments:
+       n............number of dimensions to create
+       arrayvftbl...vftbl of the array class
+       dims.........array containing the size of each dimension to create
 
-       Return value:  pointer to the array or NULL if no memory is available
+   Return value: pointer to the array or NULL if no memory is
+   available
 
 ******************************************************************************/
 
-java_arrayheader *builtin_nmultianewarray(int n, vftbl_t *arrayvftbl, long *dims)
-/*  java_arrayheader *builtin_nmultianewarray(int n, classinfo *arrayclass, long *dims) */
+java_arrayheader *builtin_multianewarray(int n, vftbl_t *arrayvftbl, long *dims)
 {
        s4 size, i;
        java_arrayheader *a;
        vftbl_t *componentvftbl;
 
-/*     utf_display(arrayclass->name); */
-
-/*     class_load(arrayclass); */
-/*     class_link(arrayclass); */
-       
        /* create this dimension */
+
        size = (s4) dims[0];
        a = builtin_newarray(size, arrayvftbl);
-/*     a = builtin_newarray(size, arrayclass->vftbl); */
 
        if (!a)
                return NULL;
 
        /* if this is the last dimension return */
+
        if (!--n)
                return a;
 
        /* get the vftbl of the components to create */
+
        componentvftbl = arrayvftbl->arraydesc->componentvftbl;
-/*     component = arrayclass->vftbl->arraydesc; */
 
        /* The verifier guarantees this. */
        /* if (!componentvftbl) */
        /*      panic ("multianewarray with too many dimensions"); */
 
        /* create the component arrays */
+
        for (i = 0; i < size; i++) {
                java_arrayheader *ea = 
-                       builtin_nmultianewarray(n, componentvftbl, dims + 1);
+                       builtin_multianewarray(n, componentvftbl, dims + 1);
 
                if (!ea)
                        return NULL;
@@ -765,6 +1021,8 @@ java_objectheader *builtin_trace_exception(java_objectheader *xptr,
                                                                                   s4 line,
                                                                                   s4 noindent)
 {
+       char logtext[MAXLOGTEXT];
+       
        if (!noindent) {
                if (methodindent)
                        methodindent--;
@@ -773,51 +1031,52 @@ java_objectheader *builtin_trace_exception(java_objectheader *xptr,
        }
        if (opt_verbose || runverbose || verboseexception) {
                if (xptr) {
-                       printf("Exception ");
-                       utf_display_classname(xptr->vftbl->class->name);
+                       sprintf(logtext,"Exception ");
+                       utf_sprint_classname(logtext+strlen(logtext), xptr->vftbl->class->name);
 
                } else {
-                       printf("Some Throwable");
+                       sprintf(logtext,"Some Throwable");
                }
-               printf(" thrown in ");
+               sprintf(logtext+strlen(logtext), " thrown in ");
 
                if (m) {
-                       utf_display_classname(m->class->name);
-                       printf(".");
-                       utf_display(m->name);
+                       utf_sprint_classname(logtext+strlen(logtext), m->class->name);
+                       sprintf(logtext+strlen(logtext), ".");
+                       utf_sprint(logtext+strlen(logtext), m->name);
                        if (m->flags & ACC_SYNCHRONIZED) {
-                               printf("(SYNC");
+                               sprintf(logtext+strlen(logtext), "(SYNC");
 
                        } else{
-                               printf("(NOSYNC");
+                               sprintf(logtext+strlen(logtext), "(NOSYNC");
                        }
 
                        if (m->flags & ACC_NATIVE) {
-                               printf(",NATIVE");
+                               sprintf(logtext+strlen(logtext), ",NATIVE");
 #if POINTERSIZE == 8
-                               printf(")(0x%016lx) at position 0x%016lx\n", (ptrint) m->entrypoint, (ptrint) pos);
+                               sprintf(logtext+strlen(logtext), ")(0x%016lx) at position 0x%016lx\n", (ptrint) m->entrypoint, (ptrint) pos);
 #else
-                               printf(")(0x%08x) at position 0x%08x\n", (ptrint) m->entrypoint, (ptrint) pos);
+                               sprintf(logtext+strlen(logtext), ")(0x%08x) at position 0x%08x\n", (ptrint) m->entrypoint, (ptrint) pos);
 #endif
 
                        } else {
 #if POINTERSIZE == 8
-                               printf(")(0x%016lx) at position 0x%016lx (", (ptrint) m->entrypoint, (ptrint) pos);
+                               sprintf(logtext+strlen(logtext), ")(0x%016lx) at position 0x%016lx (", (ptrint) m->entrypoint, (ptrint) pos);
 #else
-                               printf(")(0x%08x) at position 0x%08x (", (ptrint) m->entrypoint, (ptrint) pos);
+                               sprintf(logtext+strlen(logtext), ")(0x%08x) at position 0x%08x (", (ptrint) m->entrypoint, (ptrint) pos);
 #endif
                                if (m->class->sourcefile == NULL) {
-                                       printf("<NO CLASSFILE INFORMATION>");
+                                       sprintf(logtext+strlen(logtext), "<NO CLASSFILE INFORMATION>");
 
                                } else {
-                                       utf_display(m->class->sourcefile);
+                                       utf_sprint(logtext+strlen(logtext), m->class->sourcefile);
                                }
-                               printf(":%d)\n", line);
+                               sprintf(logtext+strlen(logtext), ":%d)\n", line);
                        }
 
                } else
-                       printf("call_java_method\n");
-               fflush(stdout);
+                       sprintf(logtext+strlen(logtext), "call_java_method\n");
+
+               log_text(logtext);
        }
 
        return xptr;
@@ -838,12 +1097,15 @@ void builtin_trace_args(s8 a0, s8 a1, s8 a2, s8 a3,
        char logtext[MAXLOGTEXT];
        for (i = 0; i < methodindent; i++)
                logtext[i] = '\t';
+       if (methodindent == 0) 
+               sprintf(logtext + methodindent, "1st_call: ");
+       else
+               sprintf(logtext + methodindent, "called: ");
 
-       sprintf(logtext + methodindent, "called: ");
        utf_sprint_classname(logtext + strlen(logtext), m->class->name);
        sprintf(logtext + strlen(logtext), ".");
        utf_sprint(logtext + strlen(logtext), m->name);
-       utf_sprint_classname(logtext + strlen(logtext), m->descriptor);
+       utf_sprint(logtext + strlen(logtext), m->descriptor);
 
        if (m->flags & ACC_PUBLIC)       sprintf(logtext + strlen(logtext), " PUBLIC");
        if (m->flags & ACC_PRIVATE)      sprintf(logtext + strlen(logtext), " PRIVATE");
@@ -1024,7 +1286,7 @@ void builtin_displaymethodstop(methodinfo *m, s8 l, double d, float f)
        utf_sprint_classname(logtext + strlen(logtext), m->class->name);
        sprintf(logtext + strlen(logtext), ".");
        utf_sprint(logtext + strlen(logtext), m->name);
-       utf_sprint_classname(logtext + strlen(logtext), m->descriptor);
+       utf_sprint(logtext + strlen(logtext), m->descriptor);
 
        switch (m->returntype) {
        case TYPE_INT:
@@ -1187,7 +1449,7 @@ void builtin_staticmonitorenter(classinfo *c)
 
 
 #if defined(USE_THREADS)
-void *builtin_monitorexit(java_objectheader *o)
+void builtin_monitorexit(java_objectheader *o)
 {
 #if !defined(NATIVE_THREADS)
        int hashValue;
@@ -1206,10 +1468,8 @@ void *builtin_monitorexit(java_objectheader *o)
                internal_unlock_mutex_for_object(o);
 
        --blockInts;
-       return o;
 #else
        monitorExit((threadobject *) THREADOBJECT, o);
-       return o;
 #endif
 }
 #endif
@@ -1843,6 +2103,7 @@ inline void* builtin_asm_get_stackframeinfo()
 {
 /*log_text("builtin_asm_get_stackframeinfo()");*/
 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
+       /*printf("stackframeinfo: %p,%p\n",&THREADINFO->_stackframeinfo,*(&THREADINFO->_stackframeinfo));*/
        return &THREADINFO->_stackframeinfo;
 #else
 #if defined(__GNUC__)