Merged new changes from default (manually: src/vm/jit/emit-common.cpp, src/vm/ji
[cacao.git] / src / vm / jit / i386 / codegen.c
index f8b72e3a0bcced1c217ef6105508b420c7bcea55..c7adf83a5bddb1b7d8c110e6ea20420fdb3bc110 100644 (file)
@@ -1,9 +1,7 @@
 /* src/vm/jit/i386/codegen.c - machine code generator for i386
 
-   Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
-   C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
-   E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
-   J. Wenninger, Institut f. Computersprachen - TU Wien
+   Copyright (C) 1996-2005, 2006, 2007, 2008
+   CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
 
    This file is part of CACAO.
 
@@ -22,8 +20,6 @@
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
 
-   $Id: codegen.c 8299 2007-08-13 08:41:18Z michi $
-
 */
 
 
 #include "vm/jit/i386/emit.h"
 
 #include "mm/memory.h"
-#include "native/jni.h"
-#include "native/localref.h"
-#include "native/native.h"
 
-#include "threads/lock-common.h"
+#include "native/localref.hpp"
+#include "native/native.hpp"
+
+#include "threads/lock.hpp"
 
-#include "vm/builtin.h"
-#include "vm/exceptions.h"
+#include "vm/jit/builtin.hpp"
+#include "vm/exceptions.hpp"
 #include "vm/global.h"
-#include "vm/stringlocal.h"
-#include "vm/vm.h"
+#include "vm/loader.hpp"
+#include "vm/options.h"
+#include "vm/primitive.hpp"
+#include "vm/utf8.h"
+#include "vm/vm.hpp"
 
 #include "vm/jit/abi.h"
 #include "vm/jit/asmpart.h"
-#include "vm/jit/codegen-common.h"
+#include "vm/jit/codegen-common.hpp"
 #include "vm/jit/dseg.h"
-#include "vm/jit/emit-common.h"
-#include "vm/jit/jit.h"
-#include "vm/jit/parse.h"
-#include "vm/jit/patcher.h"
+#include "vm/jit/emit-common.hpp"
+#include "vm/jit/jit.hpp"
+#include "vm/jit/jitcache.hpp"
+#include "vm/jit/linenumbertable.hpp"
+#include "vm/jit/parse.hpp"
+#include "vm/jit/patcher-common.hpp"
 #include "vm/jit/reg.h"
-#include "vm/jit/replace.h"
-#include "vm/jit/stacktrace.h"
+#include "vm/jit/replace.hpp"
+#include "vm/jit/stacktrace.hpp"
+#include "vm/jit/trap.h"
 
 #if defined(ENABLE_SSA)
 # include "vm/jit/optimizing/lsra.h"
 # include "vm/jit/allocator/lsra.h"
 #endif
 
-#include "vmcore/loader.h"
-#include "vmcore/options.h"
-#include "vmcore/utf8.h"
-
 
 /* codegen_emit ****************************************************************
 
@@ -90,10 +88,10 @@ bool codegen_emit(jitdata *jd)
        codegendata        *cd;
        registerdata       *rd;
        s4                  len, s1, s2, s3, d, disp;
+       int                 align_off;      /* offset for alignment compensation  */
        varinfo            *var, *var1;
        basicblock         *bptr;
        instruction        *iptr;
-       exception_entry    *ex;
        u2                  currentline;
        methodinfo         *lm;             /* local methodinfo for ICMD_INVOKE*  */
        builtintable_entry *bte;
@@ -137,12 +135,11 @@ bool codegen_emit(jitdata *jd)
        savedregs_num += (FLT_SAV_CNT - rd->savfltreguse);
 
        cd->stackframesize = rd->memuse + savedregs_num;
-
           
 #if defined(ENABLE_THREADS)
        /* space to save argument of monitor_enter */
 
-       if (checksync && (m->flags & ACC_SYNCHRONIZED))
+       if (checksync && code_is_synchronized(code))
                cd->stackframesize++;
 #endif
 
@@ -150,48 +147,33 @@ bool codegen_emit(jitdata *jd)
 
     /* Keep stack of non-leaf functions 16-byte aligned. */
 
-       if (!jd->isleafmethod) {
-               ALIGN_ODD(cd->stackframesize);    /* XXX this is wrong, +4 is missing */
+       if (!code_is_leafmethod(code)) {
+               ALIGN_ODD(cd->stackframesize);
        }
 
+       align_off = cd->stackframesize ? 4 : 0;
+
+#if defined(ENABLE_JITCACHE)
+       disp = dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
+       jitcache_add_cached_ref(code, CRT_CODEINFO, 0, disp);
+#else
        (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
-       (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize       */
+#endif
+       (void) dseg_add_unique_s4(
+               cd, cd->stackframesize * 8 + align_off);           /* FrameSize       */
 
-#if defined(ENABLE_THREADS)
-       /* IsSync contains the offset relative to the stack pointer for the
-          argument of monitor_exit used in the exception handler. Since the
-          offset could be zero and give a wrong meaning of the flag it is
-          offset by one.
-       */
-
-       if (checksync && (m->flags & ACC_SYNCHRONIZED))
-               (void) dseg_add_unique_s4(cd, (rd->memuse + 1) * 8); /* IsSync        */
+       code->synchronizedoffset = rd->memuse * 8;
+
+       /* REMOVEME: We still need it for exception handling in assembler. */
+
+       if (code_is_leafmethod(code))
+               (void) dseg_add_unique_s4(cd, 1);                  /* IsLeaf          */
        else
-#endif
-               (void) dseg_add_unique_s4(cd, 0);                  /* IsSync          */
-                                              
-       (void) dseg_add_unique_s4(cd, jd->isleafmethod);       /* IsLeaf          */
+               (void) dseg_add_unique_s4(cd, 0);                  /* IsLeaf          */
+
        (void) dseg_add_unique_s4(cd, INT_SAV_CNT - rd->savintreguse); /* IntSave */
        (void) dseg_add_unique_s4(cd, FLT_SAV_CNT - rd->savfltreguse); /* FltSave */
 
-       /* adds a reference for the length of the line number counter. We don't
-          know the size yet, since we evaluate the information during code
-          generation, to save one additional iteration over the whole
-          instructions. During code optimization the position could have changed
-          to the information gotten from the class file */
-       (void) dseg_addlinenumbertablesize(cd);
-
-       (void) dseg_add_unique_s4(cd, jd->exceptiontablelength); /* ExTableSize   */
-       
-       /* create exception table */
-
-       for (ex = jd->exceptiontable; ex != NULL; ex = ex->down) {
-               dseg_add_target(cd, ex->start);
-               dseg_add_target(cd, ex->end);
-               dseg_add_target(cd, ex->handler);
-               (void) dseg_add_unique_address(cd, ex->catchtype.any);
-       }
-
 #if defined(ENABLE_PROFILING)
        /* generate method profiling code */
 
@@ -199,6 +181,8 @@ bool codegen_emit(jitdata *jd)
                /* count frequency */
 
                M_MOV_IMM(code, REG_ITMP3);
+               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_CODEINFO, NULL);
+
                M_IADD_IMM_MEMBASE(1, REG_ITMP3, OFFSET(codeinfo, frequency));
        }
 #endif
@@ -206,7 +190,8 @@ bool codegen_emit(jitdata *jd)
        /* create stack frame (if necessary) */
 
        if (cd->stackframesize)
-               M_ASUB_IMM(cd->stackframesize * 8, REG_SP);
+               /* align_off == 4 */
+               M_ASUB_IMM(cd->stackframesize * 8 + 4, REG_SP);
 
        /* save return address and used callee saved registers */
 
@@ -259,7 +244,8 @@ bool codegen_emit(jitdata *jd)
                        } 
                        else {
                                if (!(var->flags & INMEMORY)) {
-                                       M_ILD(d, REG_SP, cd->stackframesize * 8 + 4 + s1);
+                                       M_ILD(d, REG_SP,
+                                                 cd->stackframesize * 8 + 4 + align_off + s1);
                                } 
                                else {
                                        if (!IS_2_WORD_TYPE(t)) {
@@ -267,15 +253,17 @@ bool codegen_emit(jitdata *jd)
                                                /* no copy avoiding by now possible with SSA */
                                                if (ls != NULL) {
                                                        emit_mov_membase_reg(   /* + 4 for return address */
-                                                                cd, REG_SP, cd->stackframesize * 8 + s1 + 4,
-                                                                REG_ITMP1);    
+                                                               cd, REG_SP,
+                                                               cd->stackframesize * 8 + s1 + 4 + align_off,
+                                                               REG_ITMP1);    
                                                        emit_mov_reg_membase(
-                                                                cd, REG_ITMP1, REG_SP, var->vv.regoff);
+                                                               cd, REG_ITMP1, REG_SP, var->vv.regoff);
                                                }
                                                else 
 #endif /*defined(ENABLE_SSA)*/
                                                        /* reuse stackslot */
-                                                       var->vv.regoff = cd->stackframesize * 8 + 4 + s1;
+                                                       var->vv.regoff = cd->stackframesize * 8 + 4 +
+                                                               align_off + s1;
 
                                        } 
                                        else {
@@ -283,20 +271,22 @@ bool codegen_emit(jitdata *jd)
                                                /* no copy avoiding by now possible with SSA */
                                                if (ls != NULL) {
                                                        emit_mov_membase_reg(  /* + 4 for return address */
-                                                                cd, REG_SP, cd->stackframesize * 8 + s1 + 4,
-                                                                REG_ITMP1);
+                                                               cd, REG_SP,
+                                                               cd->stackframesize * 8 + s1 + 4 + align_off,
+                                                               REG_ITMP1);
                                                        emit_mov_reg_membase(
-                                                                cd, REG_ITMP1, REG_SP, var->vv.regoff);
+                                                               cd, REG_ITMP1, REG_SP, var->vv.regoff);
                                                        emit_mov_membase_reg(   /* + 4 for return address */
-                                                                 cd, REG_SP, cd->stackframesize * 8 + s1 + 4 + 4,
-                                                                 REG_ITMP1);             
+                                                               cd, REG_SP,
+                                                               cd->stackframesize * 8 + s1 + 4 + 4 + align_off,
+                                                               REG_ITMP1);             
                                                        emit_mov_reg_membase(
-                                                                cd, REG_ITMP1, REG_SP, var->vv.regoff + 4);
+                                                               cd, REG_ITMP1, REG_SP, var->vv.regoff + 4);
                                                }
                                                else
 #endif /*defined(ENABLE_SSA)*/
                                                        /* reuse stackslot */
-                                                       var->vv.regoff = cd->stackframesize * 8 + 4 + s1;
+                                                       var->vv.regoff = cd->stackframesize * 8 + 8 + s1;
                                        }
                                }
                        }
@@ -316,14 +306,16 @@ bool codegen_emit(jitdata *jd)
                                if (!(var->flags & INMEMORY)) {      /* stack-arg -> register */
                                        if (t == TYPE_FLT) {
                                                emit_flds_membase(
-                            cd, REG_SP, cd->stackframesize * 8 + s1 + 4);
+                            cd, REG_SP,
+                                                       cd->stackframesize * 8 + s1 + 4 + align_off);
                                                assert(0);
 /*                                             emit_fstp_reg(cd, var->vv.regoff + fpu_st_offset); */
 
                                        } 
                                        else {
                                                emit_fldl_membase(
-                            cd, REG_SP, cd->stackframesize * 8 + s1 + 4);
+                            cd, REG_SP,
+                                                       cd->stackframesize * 8 + s1 + 4 + align_off);
                                                assert(0);
 /*                                             emit_fstp_reg(cd, var->vv.regoff + fpu_st_offset); */
                                        }
@@ -333,24 +325,29 @@ bool codegen_emit(jitdata *jd)
                                        /* no copy avoiding by now possible with SSA */
                                        if (ls != NULL) {
                                                emit_mov_membase_reg(
-                                                cd, REG_SP, cd->stackframesize * 8 + s1 + 4, REG_ITMP1);
+                                                       cd, REG_SP,
+                                                       cd->stackframesize * 8 + s1 + 4 + align_off,
+                                                       REG_ITMP1);
                                                emit_mov_reg_membase(
-                                                                        cd, REG_ITMP1, REG_SP, var->vv.regoff);
+                                                       cd, REG_ITMP1, REG_SP, var->vv.regoff);
                                                if (t == TYPE_FLT) {
                                                        emit_flds_membase(
-                                                                 cd, REG_SP, cd->stackframesize * 8 + s1 + 4);
+                                                               cd, REG_SP,
+                                                               cd->stackframesize * 8 + s1 + 4 + align_off);
                                                        emit_fstps_membase(cd, REG_SP, var->vv.regoff);
                                                } 
                                                else {
                                                        emit_fldl_membase(
-                                                                 cd, REG_SP, cd->stackframesize * 8 + s1 + 4);
+                                                               cd, REG_SP,
+                                                               cd->stackframesize * 8 + s1 + 4 + align_off);
                                                        emit_fstpl_membase(cd, REG_SP, var->vv.regoff);
                                                }
                                        }
                                        else
 #endif /*defined(ENABLE_SSA)*/
                                                /* reuse stackslot */
-                                               var->vv.regoff = cd->stackframesize * 8 + 4 + s1;
+                                               var->vv.regoff = cd->stackframesize * 8 + 4 +
+                                                       align_off + s1;
                                }
                        }
                }
@@ -359,22 +356,25 @@ bool codegen_emit(jitdata *jd)
        /* call monitorenter function */
 
 #if defined(ENABLE_THREADS)
-       if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
+       if (checksync && code_is_synchronized(code)) {
                s1 = rd->memuse;
 
                if (m->flags & ACC_STATIC) {
-                       M_MOV_IMM(&m->class->object.header, REG_ITMP1);
+                       M_MOV_IMM(&m->clazz->object.header, REG_ITMP1);
+                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_OBJECT_HEADER, m->clazz);
                }
                else {
-                       M_ALD(REG_ITMP1, REG_SP, cd->stackframesize * 8 + 4);
+                       M_ALD(REG_ITMP1, REG_SP, cd->stackframesize * 8 + 4 + align_off);
                        M_TEST(REG_ITMP1);
                        M_BNE(6);
-                       M_ALD_MEM(REG_ITMP1, EXCEPTION_HARDWARE_NULLPOINTER);
+                       M_ALD_MEM(REG_ITMP1, TRAP_NullPointerException);
                }
 
                M_AST(REG_ITMP1, REG_SP, s1 * 8);
                M_AST(REG_ITMP1, REG_SP, 0 * 4);
                M_MOV_IMM(LOCK_monitor_enter, REG_ITMP3);
+               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_BUILTIN_FP,
+                                                         builtintable_get_internal(LOCK_monitor_enter));
                M_CALL(REG_ITMP3);
        }                       
 #endif
@@ -416,9 +416,7 @@ bool codegen_emit(jitdata *jd)
                if (bptr->bitflags & BBFLAG_REPLACEMENT) {
                        if (cd->replacementpoint[-1].flags & RPLPOINT_FLAG_COUNTDOWN) {
                                MCODECHECK(32);
-                               disp = (s4) &(m->hitcountdown);
-                               M_ISUB_IMM_MEMABS(1, disp);
-                               M_BS(0);
+                               emit_trap_countdown(cd, &(m->hitcountdown));
                        }
                }
 #endif
@@ -452,11 +450,13 @@ bool codegen_emit(jitdata *jd)
                                var = VAR(bptr->invars[len]);
                                if (bptr->type != BBTYPE_STD) {
                                        if (!IS_2_WORD_TYPE(var->type)) {
+#if !defined(ENABLE_SSA)
                                                if (bptr->type == BBTYPE_EXH) {
                                                        d = codegen_reg_of_var(0, var, REG_ITMP1);
                                                        M_INTMOVE(REG_ITMP1, d);
                                                        emit_store(jd, NULL, var, d);
                                                }
+#endif
                                        } 
                                        else {
                                                log_text("copy interface registers(EXH, SBR): longs \
@@ -501,7 +501,7 @@ bool codegen_emit(jitdata *jd)
 
                for (iptr = bptr->iinstr; len > 0; len--, iptr++) {
                        if (iptr->line != currentline) {
-                               dseg_addlinenumber(cd, iptr->line);
+                               linenumbertable_list_entry_add(cd, iptr->line);
                                currentline = iptr->line;
                        }
 
@@ -521,14 +521,14 @@ bool codegen_emit(jitdata *jd)
                case ICMD_INLINE_BODY:
 
                        REPLACEMENT_POINT_INLINE_BODY(cd, iptr);
-                       dseg_addlinenumber_inline_start(cd, iptr);
-                       dseg_addlinenumber(cd, iptr->line);
+                       linenumbertable_list_entry_add_inline_start(cd, iptr);
+                       linenumbertable_list_entry_add(cd, iptr->line);
                        break;
 
                case ICMD_INLINE_END:
 
-                       dseg_addlinenumber_inline_end(cd, iptr);
-                       dseg_addlinenumber(cd, iptr->line);
+                       linenumbertable_list_entry_add_inline_end(cd, iptr);
+                       linenumbertable_list_entry_add(cd, iptr->line);
                        break;
 
                case ICMD_CHECKNULL:  /* ..., objectref  ==> ..., objectref           */
@@ -576,6 +576,7 @@ bool codegen_emit(jitdata *jd)
                                disp = dseg_add_float(cd, iptr->sx.val.f);
                                emit_mov_imm_reg(cd, 0, REG_ITMP1);
                                dseg_adddata(cd);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_ENTRYPOINT, NULL);
                                emit_flds_membase(cd, REG_ITMP1, disp);
                        }
                        emit_store_dst(jd, iptr, d);
@@ -604,6 +605,7 @@ bool codegen_emit(jitdata *jd)
                                disp = dseg_add_double(cd, iptr->sx.val.d);
                                emit_mov_imm_reg(cd, 0, REG_ITMP1);
                                dseg_adddata(cd);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_ENTRYPOINT, NULL);
                                emit_fldl_membase(cd, REG_ITMP1, disp);
                        }
                        emit_store_dst(jd, iptr, d);
@@ -614,7 +616,7 @@ bool codegen_emit(jitdata *jd)
                        d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
 
                        if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
-                               codegen_addpatchref(cd, PATCHER_aconst,
+                               patcher_add_patch_ref(jd, PATCHER_aconst,
                                                                        iptr->sx.val.c.ref, 0);
 
                                M_MOV_IMM(NULL, d);
@@ -623,7 +625,15 @@ bool codegen_emit(jitdata *jd)
                                if (iptr->sx.val.anyptr == NULL)
                                        M_CLR(d);
                                else
+                               {
                                        M_MOV_IMM(iptr->sx.val.anyptr, d);
+                                       JITCACHE_ADD_CACHED_REF_JD(
+                                               jd,
+                                               (iptr->flags.bits & INS_FLAG_CLASS) ? CRT_CLASSINFO
+                                                                                                                       : CRT_STRING,
+                                               (iptr->flags.bits & INS_FLAG_CLASS) ? (void*) iptr->sx.val.c.cls
+                                                                                                                       : (void*) iptr->sx.val.stringconst);
+                               }
                        }
                        emit_store_dst(jd, iptr, d);
                        break;
@@ -1005,6 +1015,7 @@ bool codegen_emit(jitdata *jd)
                        M_LST(s1, REG_SP, 0 * 4);
 
                        M_MOV_IMM(bte->fp, REG_ITMP3);
+                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_BUILTIN_FP, bte);
                        M_CALL(REG_ITMP3);
                        emit_store_dst(jd, iptr, d);
                        break;
@@ -1572,6 +1583,7 @@ bool codegen_emit(jitdata *jd)
                                disp = dseg_add_unique_s4(cd, 0);
                                emit_mov_imm_reg(cd, 0, REG_ITMP1);
                                dseg_adddata(cd);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_ENTRYPOINT, NULL);
                                emit_mov_reg_membase(cd, var->vv.regoff, REG_ITMP1, disp);
                                emit_fildl_membase(cd, REG_ITMP1, disp);
                        }
@@ -1601,6 +1613,7 @@ bool codegen_emit(jitdata *jd)
 
                        emit_mov_imm_reg(cd, 0, REG_ITMP1);
                        dseg_adddata(cd);
+                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_ENTRYPOINT, NULL);
 
                        /* Round to zero, 53-bit mode, exception masked */
                        disp = dseg_add_s4(cd, 0x0e7f);
@@ -1646,6 +1659,8 @@ bool codegen_emit(jitdata *jd)
                        /* XXX: change this when we use registers */
                        emit_flds_membase(cd, REG_SP, var1->vv.regoff);
                        emit_mov_imm_reg(cd, (ptrint) asm_builtin_f2i, REG_ITMP1);
+                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_BUILTIN_FP,
+                                                                 builtintable_get_internal(BUILTIN_f2i));
                        emit_call_reg(cd, REG_ITMP1);
 
                        if (var->flags & INMEMORY) {
@@ -1663,6 +1678,7 @@ bool codegen_emit(jitdata *jd)
 
                        emit_mov_imm_reg(cd, 0, REG_ITMP1);
                        dseg_adddata(cd);
+                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_ENTRYPOINT, NULL);
 
                        /* Round to zero, 53-bit mode, exception masked */
                        disp = dseg_add_s4(cd, 0x0e7f);
@@ -1708,6 +1724,8 @@ bool codegen_emit(jitdata *jd)
                        /* XXX: change this when we use registers */
                        emit_fldl_membase(cd, REG_SP, var1->vv.regoff);
                        emit_mov_imm_reg(cd, (ptrint) asm_builtin_d2i, REG_ITMP1);
+                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_BUILTIN_FP,
+                                                                 builtintable_get_internal(BUILTIN_d2i));
                        emit_call_reg(cd, REG_ITMP1);
 
                        if (var->flags & INMEMORY) {
@@ -1724,6 +1742,7 @@ bool codegen_emit(jitdata *jd)
 
                        emit_mov_imm_reg(cd, 0, REG_ITMP1);
                        dseg_adddata(cd);
+                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_ENTRYPOINT, NULL);
 
                        /* Round to zero, 53-bit mode, exception masked */
                        disp = dseg_add_s4(cd, 0x0e7f);
@@ -1767,6 +1786,8 @@ bool codegen_emit(jitdata *jd)
                                /* XXX: change this when we use registers */
                                emit_flds_membase(cd, REG_SP, var1->vv.regoff);
                                emit_mov_imm_reg(cd, (ptrint) asm_builtin_f2l, REG_ITMP1);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_BUILTIN_FP,
+                                                                 builtintable_get_internal(BUILTIN_f2l));
                                emit_call_reg(cd, REG_ITMP1);
                                emit_mov_reg_membase(cd, REG_RESULT, REG_SP, var->vv.regoff);
                                emit_mov_reg_membase(cd, REG_RESULT2, 
@@ -1785,6 +1806,7 @@ bool codegen_emit(jitdata *jd)
 
                        emit_mov_imm_reg(cd, 0, REG_ITMP1);
                        dseg_adddata(cd);
+                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_ENTRYPOINT, NULL);
 
                        /* Round to zero, 53-bit mode, exception masked */
                        disp = dseg_add_s4(cd, 0x0e7f);
@@ -1827,6 +1849,8 @@ bool codegen_emit(jitdata *jd)
                                /* XXX: change this when we use registers */
                                emit_fldl_membase(cd, REG_SP, var1->vv.regoff);
                                emit_mov_imm_reg(cd, (ptrint) asm_builtin_d2l, REG_ITMP1);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_BUILTIN_FP,
+                                                                 builtintable_get_internal(BUILTIN_d2l));
                                emit_call_reg(cd, REG_ITMP1);
                                emit_mov_reg_membase(cd, REG_RESULT, REG_SP, var->vv.regoff);
                                emit_mov_reg_membase(cd, REG_RESULT2, 
@@ -1908,7 +1932,7 @@ bool codegen_emit(jitdata *jd)
                        s1 = emit_load_s1(jd, iptr, REG_ITMP1);
                        d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
                        /* implicit null-pointer check */
-                       M_ILD(d, s1, OFFSET(java_arrayheader, size));
+                       M_ILD(d, s1, OFFSET(java_array_t, size));
                        emit_store_dst(jd, iptr, d);
                        break;
 
@@ -1919,7 +1943,7 @@ bool codegen_emit(jitdata *jd)
                        d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
-                       emit_movsbl_memindex_reg(cd, OFFSET(java_bytearray, data[0]), 
+                       emit_movsbl_memindex_reg(cd, OFFSET(java_bytearray_t, data[0]), 
                                                                         s1, s2, 0, d);
                        emit_store_dst(jd, iptr, d);
                        break;
@@ -1931,7 +1955,7 @@ bool codegen_emit(jitdata *jd)
                        d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
-                       emit_movzwl_memindex_reg(cd, OFFSET(java_chararray, data[0]), 
+                       emit_movzwl_memindex_reg(cd, OFFSET(java_chararray_t, data[0]), 
                                                                         s1, s2, 1, d);
                        emit_store_dst(jd, iptr, d);
                        break;                  
@@ -1943,7 +1967,7 @@ bool codegen_emit(jitdata *jd)
                        d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
-                       emit_movswl_memindex_reg(cd, OFFSET(java_shortarray, data[0]), 
+                       emit_movswl_memindex_reg(cd, OFFSET(java_shortarray_t, data[0]), 
                                                                         s1, s2, 1, d);
                        emit_store_dst(jd, iptr, d);
                        break;
@@ -1955,7 +1979,7 @@ bool codegen_emit(jitdata *jd)
                        d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
-                       emit_mov_memindex_reg(cd, OFFSET(java_intarray, data[0]), 
+                       emit_mov_memindex_reg(cd, OFFSET(java_intarray_t, data[0]), 
                                                                  s1, s2, 2, d);
                        emit_store_dst(jd, iptr, d);
                        break;
@@ -1971,10 +1995,10 @@ bool codegen_emit(jitdata *jd)
                        var = VAROP(iptr->dst);
 
                        assert(var->flags & INMEMORY);
-                       emit_mov_memindex_reg(cd, OFFSET(java_longarray, data[0]), 
+                       emit_mov_memindex_reg(cd, OFFSET(java_longarray_t, data[0]), 
                                                                  s1, s2, 3, REG_ITMP3);
                        emit_mov_reg_membase(cd, REG_ITMP3, REG_SP, var->vv.regoff);
-                       emit_mov_memindex_reg(cd, OFFSET(java_longarray, data[0]) + 4, 
+                       emit_mov_memindex_reg(cd, OFFSET(java_longarray_t, data[0]) + 4, 
                                                                  s1, s2, 3, REG_ITMP3);
                        emit_mov_reg_membase(cd, REG_ITMP3, REG_SP, var->vv.regoff + 4);
                        break;
@@ -1986,7 +2010,7 @@ bool codegen_emit(jitdata *jd)
                        d = codegen_reg_of_dst(jd, iptr, REG_FTMP1);
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
-                       emit_flds_memindex(cd, OFFSET(java_floatarray, data[0]), s1, s2, 2);
+                       emit_flds_memindex(cd, OFFSET(java_floatarray_t, data[0]), s1, s2, 2);
                        emit_store_dst(jd, iptr, d);
                        break;
 
@@ -1997,7 +2021,7 @@ bool codegen_emit(jitdata *jd)
                        d = codegen_reg_of_dst(jd, iptr, REG_FTMP3);
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
-                       emit_fldl_memindex(cd, OFFSET(java_doublearray, data[0]), s1, s2,3);
+                       emit_fldl_memindex(cd, OFFSET(java_doublearray_t, data[0]), s1, s2,3);
                        emit_store_dst(jd, iptr, d);
                        break;
 
@@ -2008,7 +2032,7 @@ bool codegen_emit(jitdata *jd)
                        d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
-                       emit_mov_memindex_reg(cd, OFFSET(java_objectarray, data[0]),
+                       emit_mov_memindex_reg(cd, OFFSET(java_objectarray_t, data[0]),
                                                                  s1, s2, 2, d);
                        emit_store_dst(jd, iptr, d);
                        break;
@@ -2026,7 +2050,7 @@ bool codegen_emit(jitdata *jd)
                                M_INTMOVE(s3, REG_ITMP3);
                                s3 = REG_ITMP3;
                        }
-                       emit_movb_reg_memindex(cd, s3, OFFSET(java_bytearray, data[0]),
+                       emit_movb_reg_memindex(cd, s3, OFFSET(java_bytearray_t, data[0]),
                                                                   s1, s2, 0);
                        break;
 
@@ -2037,7 +2061,7 @@ bool codegen_emit(jitdata *jd)
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
                        s3 = emit_load_s3(jd, iptr, REG_ITMP3);
-                       emit_movw_reg_memindex(cd, s3, OFFSET(java_chararray, data[0]),
+                       emit_movw_reg_memindex(cd, s3, OFFSET(java_chararray_t, data[0]),
                                                                   s1, s2, 1);
                        break;
 
@@ -2048,7 +2072,7 @@ bool codegen_emit(jitdata *jd)
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
                        s3 = emit_load_s3(jd, iptr, REG_ITMP3);
-                       emit_movw_reg_memindex(cd, s3, OFFSET(java_shortarray, data[0]),
+                       emit_movw_reg_memindex(cd, s3, OFFSET(java_shortarray_t, data[0]),
                                                                   s1, s2, 1);
                        break;
 
@@ -2059,7 +2083,7 @@ bool codegen_emit(jitdata *jd)
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
                        s3 = emit_load_s3(jd, iptr, REG_ITMP3);
-                       emit_mov_reg_memindex(cd, s3, OFFSET(java_intarray, data[0]),
+                       emit_mov_reg_memindex(cd, s3, OFFSET(java_intarray_t, data[0]),
                                                                  s1, s2, 2);
                        break;
 
@@ -2074,11 +2098,11 @@ bool codegen_emit(jitdata *jd)
 
                        assert(var->flags & INMEMORY);
                        emit_mov_membase_reg(cd, REG_SP, var->vv.regoff, REG_ITMP3);
-                       emit_mov_reg_memindex(cd, REG_ITMP3, OFFSET(java_longarray, data[0])
+                       emit_mov_reg_memindex(cd, REG_ITMP3, OFFSET(java_longarray_t, data[0])
                                                                  , s1, s2, 3);
                        emit_mov_membase_reg(cd, REG_SP, var->vv.regoff + 4, REG_ITMP3);
                        emit_mov_reg_memindex(cd, REG_ITMP3,
-                                                           OFFSET(java_longarray, data[0]) + 4, s1, s2, 3);
+                                                           OFFSET(java_longarray_t, data[0]) + 4, s1, s2, 3);
                        break;
 
                case ICMD_FASTORE:    /* ..., arrayref, index, value  ==> ...         */
@@ -2088,7 +2112,7 @@ bool codegen_emit(jitdata *jd)
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
                        s3 = emit_load_s3(jd, iptr, REG_FTMP1);
-                       emit_fstps_memindex(cd, OFFSET(java_floatarray, data[0]), s1, s2,2);
+                       emit_fstps_memindex(cd, OFFSET(java_floatarray_t, data[0]), s1, s2,2);
                        break;
 
                case ICMD_DASTORE:    /* ..., arrayref, index, value  ==> ...         */
@@ -2098,7 +2122,7 @@ bool codegen_emit(jitdata *jd)
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
                        s3 = emit_load_s3(jd, iptr, REG_FTMP1);
-                       emit_fstpl_memindex(cd, OFFSET(java_doublearray, data[0]),
+                       emit_fstpl_memindex(cd, OFFSET(java_doublearray_t, data[0]),
                                                                s1, s2, 3);
                        break;
 
@@ -2112,14 +2136,16 @@ bool codegen_emit(jitdata *jd)
 
                        M_AST(s1, REG_SP, 0 * 4);
                        M_AST(s3, REG_SP, 1 * 4);
-                       M_MOV_IMM(BUILTIN_canstore, REG_ITMP1);
+                       M_MOV_IMM(BUILTIN_FAST_canstore, REG_ITMP1);
+                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_BUILTIN_FP,
+                                                                 builtintable_get_internal(BUILTIN_FAST_canstore));
                        M_CALL(REG_ITMP1);
-                       emit_exception_check(cd, iptr);
+                       emit_arraystore_check(cd, iptr);
 
                        s1 = emit_load_s1(jd, iptr, REG_ITMP1);
                        s2 = emit_load_s2(jd, iptr, REG_ITMP2);
                        s3 = emit_load_s3(jd, iptr, REG_ITMP3);
-                       emit_mov_reg_memindex(cd, s3, OFFSET(java_objectarray, data[0]),
+                       emit_mov_reg_memindex(cd, s3, OFFSET(java_objectarray_t, data[0]),
                                                                  s1, s2, 2);
                        break;
 
@@ -2130,7 +2156,7 @@ bool codegen_emit(jitdata *jd)
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
                        emit_movb_imm_memindex(cd, iptr->sx.s23.s3.constval,
-                                                                  OFFSET(java_bytearray, data[0]), s1, s2, 0);
+                                                                  OFFSET(java_bytearray_t, data[0]), s1, s2, 0);
                        break;
 
                case ICMD_CASTORECONST:   /* ..., arrayref, index  ==> ...            */
@@ -2140,7 +2166,7 @@ bool codegen_emit(jitdata *jd)
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
                        emit_movw_imm_memindex(cd, iptr->sx.s23.s3.constval,
-                                                                  OFFSET(java_chararray, data[0]), s1, s2, 1);
+                                                                  OFFSET(java_chararray_t, data[0]), s1, s2, 1);
                        break;
 
                case ICMD_SASTORECONST:   /* ..., arrayref, index  ==> ...            */
@@ -2150,7 +2176,7 @@ bool codegen_emit(jitdata *jd)
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
                        emit_movw_imm_memindex(cd, iptr->sx.s23.s3.constval,
-                                                                  OFFSET(java_shortarray, data[0]), s1, s2, 1);
+                                                                  OFFSET(java_shortarray_t, data[0]), s1, s2, 1);
                        break;
 
                case ICMD_IASTORECONST: /* ..., arrayref, index  ==> ...              */
@@ -2160,7 +2186,7 @@ bool codegen_emit(jitdata *jd)
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
                        emit_mov_imm_memindex(cd, iptr->sx.s23.s3.constval,
-                                                                 OFFSET(java_intarray, data[0]), s1, s2, 2);
+                                                                 OFFSET(java_intarray_t, data[0]), s1, s2, 2);
                        break;
 
                case ICMD_LASTORECONST: /* ..., arrayref, index  ==> ...              */
@@ -2171,10 +2197,10 @@ bool codegen_emit(jitdata *jd)
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
                        emit_mov_imm_memindex(cd, 
                                                   (u4) (iptr->sx.s23.s3.constval & 0x00000000ffffffff),
-                                                  OFFSET(java_longarray, data[0]), s1, s2, 3);
+                                                  OFFSET(java_longarray_t, data[0]), s1, s2, 3);
                        emit_mov_imm_memindex(cd, 
                                                        ((s4)iptr->sx.s23.s3.constval) >> 31, 
-                                                       OFFSET(java_longarray, data[0]) + 4, s1, s2, 3);
+                                                       OFFSET(java_longarray_t, data[0]) + 4, s1, s2, 3);
                        break;
 
                case ICMD_AASTORECONST: /* ..., arrayref, index  ==> ...              */
@@ -2184,7 +2210,7 @@ bool codegen_emit(jitdata *jd)
                        /* implicit null-pointer check */
                        emit_arrayindexoutofbounds_check(cd, iptr, s1, s2);
                        emit_mov_imm_memindex(cd, 0, 
-                                                                 OFFSET(java_objectarray, data[0]), s1, s2, 2);
+                                                                 OFFSET(java_objectarray_t, data[0]), s1, s2, 2);
                        break;
 
 
@@ -2195,19 +2221,21 @@ bool codegen_emit(jitdata *jd)
                                fieldtype = uf->fieldref->parseddesc.fd->type;
                                disp      = 0;
 
-                               codegen_addpatchref(cd, PATCHER_get_putstatic, uf, 0);
+                               patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, 0);
 
                        }
                        else {
                                fi        = iptr->sx.s23.s3.fmiref->p.field;
                                fieldtype = fi->type;
+
                                disp      = (intptr_t) fi->value;
 
-                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
-                                       codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
+                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
+                                       patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, 0);
                        }
 
                        M_MOV_IMM(disp, REG_ITMP1);
+                       JITCACHE_ADD_CACHED_REF_JD_COND(jd, CRT_FIELDINFO_VALUE, fi, disp);
                        switch (fieldtype) {
                        case TYPE_INT:
                        case TYPE_ADR:
@@ -2231,24 +2259,25 @@ bool codegen_emit(jitdata *jd)
                        break;
 
                case ICMD_PUTSTATIC:  /* ..., value  ==> ...                          */
-
+                       
                        if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
                                uf        = iptr->sx.s23.s3.uf;
                                fieldtype = uf->fieldref->parseddesc.fd->type;
                                disp      = 0;
 
-                               codegen_addpatchref(cd, PATCHER_get_putstatic, uf, 0);
+                               patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, 0);
                        }
                        else {
                                fi        = iptr->sx.s23.s3.fmiref->p.field;
                                fieldtype = fi->type;
+
                                disp      = (intptr_t) fi->value;
 
-                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
-                                       codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
+                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
+                                       patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, 0);
                        }
-
                        M_MOV_IMM(disp, REG_ITMP1);
+                       JITCACHE_ADD_CACHED_REF_JD_COND(jd, CRT_FIELDINFO_VALUE, fi, disp);
                        switch (fieldtype) {
                        case TYPE_INT:
                        case TYPE_ADR:
@@ -2279,18 +2308,20 @@ bool codegen_emit(jitdata *jd)
                                fieldtype = uf->fieldref->parseddesc.fd->type;
                                disp      = 0;
 
-                               codegen_addpatchref(cd, PATCHER_get_putstatic, uf, 0);
+                               patcher_add_patch_ref(jd, PATCHER_get_putstatic, uf, 0);
                        }
                        else {
                                fi        = iptr->sx.s23.s3.fmiref->p.field;
                                fieldtype = fi->type;
+
                                disp      = (intptr_t) fi->value;
 
-                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->class))
-                                       codegen_addpatchref(cd, PATCHER_clinit, fi->class, 0);
+                               if (!CLASS_IS_OR_ALMOST_INITIALIZED(fi->clazz))
+                                       patcher_add_patch_ref(jd, PATCHER_initialize_class, fi->clazz, 0);
                        }
 
                        M_MOV_IMM(disp, REG_ITMP1);
+                       JITCACHE_ADD_CACHED_REF_JD_COND(jd, CRT_FIELDINFO_VALUE, fi, disp);
                        switch (fieldtype) {
                        case TYPE_INT:
                        case TYPE_ADR:
@@ -2310,18 +2341,24 @@ bool codegen_emit(jitdata *jd)
                        s1 = emit_load_s1(jd, iptr, REG_ITMP1);
                        emit_nullpointer_check(cd, iptr, s1);
 
+#if defined(ENABLE_ESCAPE_CHECK)
+                       /*emit_escape_check(cd, s1);*/
+#endif
+
                        if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
                                uf        = iptr->sx.s23.s3.uf;
                                fieldtype = uf->fieldref->parseddesc.fd->type;
                                disp      = 0;
 
-                               codegen_addpatchref(cd, PATCHER_getfield,
+                               patcher_add_patch_ref(jd, PATCHER_getfield,
                                                                        iptr->sx.s23.s3.uf, 0);
                        }
                        else {
                                fi        = iptr->sx.s23.s3.fmiref->p.field;
                                fieldtype = fi->type;
+
                                disp      = fi->offset;
+
                        }
 
                        switch (fieldtype) {
@@ -2376,7 +2413,7 @@ bool codegen_emit(jitdata *jd)
                                uf   = iptr->sx.s23.s3.uf;
                                disp = 0;
 
-                               codegen_addpatchref(cd, PATCHER_putfield, uf, 0);
+                               patcher_add_patch_ref(jd, PATCHER_putfield, uf, 0);
                        }
                        else {
                                /* XXX */
@@ -2413,7 +2450,7 @@ bool codegen_emit(jitdata *jd)
                                fieldtype = uf->fieldref->parseddesc.fd->type;
                                disp      = 0;
 
-                               codegen_addpatchref(cd, PATCHER_putfieldconst,
+                               patcher_add_patch_ref(jd, PATCHER_putfieldconst,
                                                                        uf, 0);
                        }
                        else {
@@ -2446,7 +2483,7 @@ bool codegen_emit(jitdata *jd)
 
 #ifdef ENABLE_VERIFIER
                        if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
-                               codegen_addpatchref(cd, PATCHER_athrow_areturn,
+                               patcher_add_patch_ref(jd, PATCHER_resolve_class,
                                                                        iptr->sx.s23.s2.uc, 0);
                        }
 #endif /* ENABLE_VERIFIER */
@@ -2455,6 +2492,7 @@ bool codegen_emit(jitdata *jd)
                        M_POP(REG_ITMP2_XPC);
 
                        M_MOV_IMM(asm_handle_exception, REG_ITMP3);
+                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_ASM_HANDLE_EXCEPTION, 1);
                        M_JMP(REG_ITMP3);
                        break;
 
@@ -2716,7 +2754,7 @@ bool codegen_emit(jitdata *jd)
 
 #ifdef ENABLE_VERIFIER
                        if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
-                               codegen_addpatchref(cd, PATCHER_athrow_areturn,
+                               patcher_add_patch_ref(jd, PATCHER_resolve_class,
                                                                        iptr->sx.s23.s2.uc, 0);
                        }
 #endif /* ENABLE_VERIFIER */
@@ -2744,7 +2782,7 @@ nowperformreturn:
 #endif
 
 #if defined(ENABLE_THREADS)
-                       if (checksync && (m->flags & ACC_SYNCHRONIZED)) {
+                       if (checksync && code_is_synchronized(code)) {
                                M_ALD(REG_ITMP2, REG_SP, rd->memuse * 8);
 
                                /* we need to save the proper return value */
@@ -2769,6 +2807,8 @@ nowperformreturn:
 
                                M_AST(REG_ITMP2, REG_SP, 0);
                                M_MOV_IMM(LOCK_monitor_exit, REG_ITMP3);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_BUILTIN_FP,
+                                                                 builtintable_get_internal(LOCK_monitor_exit));
                                M_CALL(REG_ITMP3);
 
                                /* and now restore the proper return value */
@@ -2814,9 +2854,9 @@ nowperformreturn:
                        /* deallocate stack */
 
                        if (cd->stackframesize)
-                               M_AADD_IMM(cd->stackframesize * 8, REG_SP);
+                               M_AADD_IMM(cd->stackframesize * 8 + 4, REG_SP);
 
-                       emit_ret(cd);
+                       M_RET;
                        }
                        break;
 
@@ -2858,6 +2898,7 @@ nowperformreturn:
 
                                M_MOV_IMM(0, REG_ITMP2);
                                dseg_adddata(cd);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_ENTRYPOINT, NULL);
                                emit_mov_memindex_reg(cd, -(cd->dseglen), REG_ITMP2, REG_ITMP1, 2, REG_ITMP1);
                                M_JMP(REG_ITMP1);
                        }
@@ -2893,6 +2934,21 @@ nowperformreturn:
 
                        bte = iptr->sx.s23.s3.bte;
                        md = bte->md;
+
+#if defined(ENABLE_ESCAPE_REASON)
+                       if (bte->fp == BUILTIN_escape_reason_new) {
+                               void set_escape_reasons(void *);
+                               M_ASUB_IMM(8, REG_SP);
+                               M_MOV_IMM(iptr->escape_reasons, REG_ITMP1);
+                               M_AST(EDX, REG_SP, 4);
+                               M_AST(REG_ITMP1, REG_SP, 0);
+                               M_MOV_IMM(set_escape_reasons, REG_ITMP1);
+                               M_CALL(REG_ITMP1);
+                               M_ALD(EDX, REG_SP, 4);
+                               M_AADD_IMM(8, REG_SP);
+                       }
+#endif
+
                        goto gen_method;
 
                case ICMD_INVOKESTATIC: /* ..., [arg1, [arg2 ...]] ==> ...            */
@@ -2962,12 +3018,18 @@ gen_method:
 
                                if (bte->stub == NULL) {
                                        M_MOV_IMM(bte->fp, REG_ITMP1);
-                               } else {
+                               }
+                               else {
                                        M_MOV_IMM(bte->stub, REG_ITMP1);
                                }
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_BUILTIN, bte);
                                M_CALL(REG_ITMP1);
 
-                               emit_exception_check(cd, iptr);
+#if defined(ENABLE_ESCAPE_CHECK)
+                               if (bte->opcode == ICMD_NEW || bte->opcode == ICMD_NEWARRAY) {
+                                       /*emit_escape_annotate_object(cd, m);*/
+                               }
+#endif
                                break;
 
                        case ICMD_INVOKESPECIAL:
@@ -2979,7 +3041,7 @@ gen_method:
                                if (lm == NULL) {
                                        unresolved_method *um = iptr->sx.s23.s3.um;
 
-                                       codegen_addpatchref(cd, PATCHER_invokestatic_special,
+                                       patcher_add_patch_ref(jd, PATCHER_invokestatic_special,
                                                                                um, 0);
 
                                        disp = 0;
@@ -2987,10 +3049,11 @@ gen_method:
                                }
                                else {
                                        disp = (ptrint) lm->stubroutine;
+
                                        d = lm->parseddesc->returntype.type;
                                }
-
                                M_MOV_IMM(disp, REG_ITMP2);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_METHODINFO_STUBROUTINE, lm);
                                M_CALL(REG_ITMP2);
                                break;
 
@@ -3001,7 +3064,7 @@ gen_method:
                                if (lm == NULL) {
                                        unresolved_method *um = iptr->sx.s23.s3.um;
 
-                                       codegen_addpatchref(cd, PATCHER_invokevirtual, um, 0);
+                                       patcher_add_patch_ref(jd, PATCHER_invokevirtual, um, 0);
 
                                        s1 = 0;
                                        d = md->returntype.type;
@@ -3009,12 +3072,14 @@ gen_method:
                                else {
                                        s1 = OFFSET(vftbl_t, table[0]) +
                                                sizeof(methodptr) * lm->vftblindex;
+
                                        d = md->returntype.type;
                                }
 
                                M_ALD(REG_METHODPTR, REG_ITMP1,
                                          OFFSET(java_object_t, vftbl));
                                M_ALD32(REG_ITMP3, REG_METHODPTR, s1);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_METHODINFO_TABLE, lm);
                                M_CALL(REG_ITMP3);
                                break;
 
@@ -3025,7 +3090,7 @@ gen_method:
                                if (lm == NULL) {
                                        unresolved_method *um = iptr->sx.s23.s3.um;
 
-                                       codegen_addpatchref(cd, PATCHER_invokeinterface, um, 0);
+                                       patcher_add_patch_ref(jd, PATCHER_invokeinterface, um, 0);
 
                                        s1 = 0;
                                        s2 = 0;
@@ -3033,9 +3098,9 @@ gen_method:
                                }
                                else {
                                        s1 = OFFSET(vftbl_t, interfacetable[0]) -
-                                               sizeof(methodptr) * lm->class->index;
+                                               sizeof(methodptr) * lm->clazz->index;
 
-                                       s2 = sizeof(methodptr) * (lm - lm->class->methods);
+                                       s2 = sizeof(methodptr) * (lm - lm->clazz->methods);
 
                                        d = md->returntype.type;
                                }
@@ -3043,7 +3108,9 @@ gen_method:
                                M_ALD(REG_METHODPTR, REG_ITMP1,
                                          OFFSET(java_object_t, vftbl));
                                M_ALD32(REG_METHODPTR, REG_METHODPTR, s1);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_METHODINFO_INTERFACETABLE, lm);
                                M_ALD32(REG_ITMP3, REG_METHODPTR, s2);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_METHODINFO_METHODOFFSET, lm);
                                M_CALL(REG_ITMP3);
                                break;
                        }
@@ -3100,19 +3167,14 @@ gen_method:
                                        superindex = super->index;
                                        supervftbl = super->vftbl;
                                }
-                       
-                               if ((super == NULL) || !(super->flags & ACC_INTERFACE))
-                                       CODEGEN_CRITICAL_SECTION_NEW;
-
                                s1 = emit_load_s1(jd, iptr, REG_ITMP1);
 
                                /* if class is not resolved, check which code to call */
-
                                if (super == NULL) {
                                        M_TEST(s1);
                                        emit_label_beq(cd, BRANCH_LABEL_1);
 
-                                       codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
+                                       patcher_add_patch_ref(jd, PATCHER_checkcast_instanceof_flags,
                                                                                iptr->sx.s23.s3.c.ref, 0);
 
                                        M_MOV_IMM(0, REG_ITMP2);                  /* super->flags */
@@ -3131,7 +3193,7 @@ gen_method:
                                        M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
 
                                        if (super == NULL) {
-                                               codegen_addpatchref(cd, PATCHER_checkcast_interface,
+                                               patcher_add_patch_ref(jd, PATCHER_checkcast_interface,
                                                                                        iptr->sx.s23.s3.c.ref,
                                                                                        0);
                                        }
@@ -3139,6 +3201,7 @@ gen_method:
                                        M_ILD32(REG_ITMP3,
                                                        REG_ITMP2, OFFSET(vftbl_t, interfacetablelength));
                                        M_ISUB_IMM32(superindex, REG_ITMP3);
+                                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_CLASSINFO_INDEX, super);
                                        /* XXX do we need this one? */
                                        M_TEST(REG_ITMP3);
                                        emit_classcast_check(cd, iptr, BRANCH_LE, REG_ITMP3, s1);
@@ -3146,6 +3209,7 @@ gen_method:
                                        M_ALD32(REG_ITMP3, REG_ITMP2,
                                                        OFFSET(vftbl_t, interfacetable[0]) -
                                                        superindex * sizeof(methodptr*));
+                                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_CLASSINFO_INTERFACETABLE, super);
                                        M_TEST(REG_ITMP3);
                                        emit_classcast_check(cd, iptr, BRANCH_EQ, REG_ITMP3, s1);
 
@@ -3167,39 +3231,50 @@ gen_method:
                                        }
 
                                        M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
-
                                        if (super == NULL) {
-                                               codegen_addpatchref(cd, PATCHER_checkcast_class,
+                                               patcher_add_patch_ref(jd, PATCHER_checkcast_class,
                                                                                        iptr->sx.s23.s3.c.ref,
                                                                                        0);
                                        }
-
                                        M_MOV_IMM(supervftbl, REG_ITMP3);
+                                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_CLASSINFO_VFTBL, super);
 
-                                       CODEGEN_CRITICAL_SECTION_START;
+                                       if (super == NULL || super->vftbl->subtype_depth >= DISPLAY_SIZE) {
+                                               M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
+                                               M_CMP_MEMINDEX(REG_ITMP2, 0, REG_ITMP1, 0, REG_ITMP3);
+                                               emit_label_beq(cd, BRANCH_LABEL_6);  /* good */
 
-                                       M_ILD32(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
+                                               if (super == NULL) {
+                                                       M_ICMP_IMM(OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE]), REG_ITMP1);
+                                                       emit_label_bne(cd, BRANCH_LABEL_10);  /* throw */
+                                               }
 
-                                       /*                              if (s1 != REG_ITMP1) { */
-                                       /*                                      emit_mov_membase_reg(cd, REG_ITMP3, OFFSET(vftbl_t, baseval), REG_ITMP1); */
-                                       /*                                      emit_mov_membase_reg(cd, REG_ITMP3, OFFSET(vftbl_t, diffval), REG_ITMP3); */
-                                       /* #if defined(ENABLE_THREADS) */
-                                       /*                                      codegen_threadcritstop(cd, cd->mcodeptr - cd->mcodebase); */
-                                       /* #endif */
-                                       /*                                      emit_alu_reg_reg(cd, ALU_SUB, REG_ITMP1, REG_ITMP2); */
+                                               M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_depth));
+                                               M_CMP_MEMBASE(REG_ITMP2, OFFSET(vftbl_t, subtype_depth), REG_ITMP1);
+                                               emit_label_bgt(cd, BRANCH_LABEL_9);  /* throw */
 
-                                       /*                              } else { */
-                                       M_ILD32(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, baseval));
-                                       M_ISUB(REG_ITMP3, REG_ITMP2);
-                                       M_MOV_IMM(supervftbl, REG_ITMP3);
-                                       M_ILD(REG_ITMP3, REG_ITMP3, OFFSET(vftbl_t, diffval));
+                                               M_ALD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, subtype_overflow));
+                                               M_CMP_MEMINDEX(REG_ITMP2, -4*DISPLAY_SIZE, REG_ITMP1, 2, REG_ITMP3);
+                                               emit_label_beq(cd, BRANCH_LABEL_7);  /* good */
+
+                                               emit_label(cd, BRANCH_LABEL_9);
+                                               if (super == NULL)
+                                                       emit_label(cd, BRANCH_LABEL_10);
 
-                                       CODEGEN_CRITICAL_SECTION_END;
+                                               /* reload s1, might have been destroyed */
+                                               emit_load_s1(jd, iptr, REG_ITMP1);
+                                               M_ALD_MEM(s1, TRAP_ClassCastException);
 
-                                       /*                              } */
+                                               emit_label(cd, BRANCH_LABEL_7);
+                                               emit_label(cd, BRANCH_LABEL_6);
+                                               /* reload s1, might have been destroyed */
+                                               emit_load_s1(jd, iptr, REG_ITMP1);
+                                       }
+                                       else {
+                                               M_CMP_MEMBASE(REG_ITMP2, super->vftbl->subtype_offset, REG_ITMP3);
 
-                                       M_CMP(REG_ITMP3, REG_ITMP2);
-                                       emit_classcast_check(cd, iptr, BRANCH_ULE, REG_ITMP3, s1);
+                                               emit_classcast_check(cd, iptr, BRANCH_NE, REG_ITMP3, s1);
+                                       }
 
                                        if (super != NULL)
                                                emit_label(cd, BRANCH_LABEL_5);
@@ -3219,12 +3294,20 @@ gen_method:
                                M_AST(s1, REG_SP, 0 * 4);
 
                                if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
-                                       codegen_addpatchref(cd, PATCHER_builtin_arraycheckcast,
+                                       patcher_add_patch_ref(jd, PATCHER_builtin_arraycheckcast,
                                                                                iptr->sx.s23.s3.c.ref, 0);
+                                       disp = 0;
                                }
+                               else {
+                                       disp = (ptrint) iptr->sx.s23.s3.c.cls;
+                               }
+
+                               M_AST_IMM(disp, REG_SP, 1 * 4);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_CLASSINFO, disp);
 
-                               M_AST_IMM(iptr->sx.s23.s3.c.cls, REG_SP, 1 * 4);
                                M_MOV_IMM(BUILTIN_arraycheckcast, REG_ITMP3);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_BUILTIN_FP,
+                                                                          builtintable_get_internal(BUILTIN_arraycheckcast));
                                M_CALL(REG_ITMP3);
 
                                s1 = emit_load_s1(jd, iptr, REG_ITMP2);
@@ -3256,9 +3339,6 @@ gen_method:
                                supervftbl = super->vftbl;
                        }
                        
-                       if ((super == NULL) || !(super->flags & ACC_INTERFACE))
-                               CODEGEN_CRITICAL_SECTION_NEW;
-
                        s1 = emit_load_s1(jd, iptr, REG_ITMP1);
                        d = codegen_reg_of_dst(jd, iptr, REG_ITMP2);
 
@@ -3275,7 +3355,7 @@ gen_method:
                                M_TEST(s1);
                                emit_label_beq(cd, BRANCH_LABEL_1);
 
-                               codegen_addpatchref(cd, PATCHER_checkcast_instanceof_flags,
+                               patcher_add_patch_ref(jd, PATCHER_checkcast_instanceof_flags,
                                                                        iptr->sx.s23.s3.c.ref, 0);
 
                                M_MOV_IMM(0, REG_ITMP3);                      /* super->flags */
@@ -3291,16 +3371,19 @@ gen_method:
                                        emit_label_beq(cd, BRANCH_LABEL_3);
                                }
 
+
                                M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
 
                                if (super == NULL) {
-                                       codegen_addpatchref(cd, PATCHER_instanceof_interface,
+                                       patcher_add_patch_ref(jd, PATCHER_instanceof_interface,
                                                                                iptr->sx.s23.s3.c.ref, 0);
                                }
 
                                M_ILD32(REG_ITMP3,
                                                REG_ITMP1, OFFSET(vftbl_t, interfacetablelength));
                                M_ISUB_IMM32(superindex, REG_ITMP3);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_CLASSINFO_INDEX, super);
+
                                M_TEST(REG_ITMP3);
 
                                disp = (2 + 4 /* mov_membase32_reg */ + 2 /* test */ +
@@ -3310,6 +3393,7 @@ gen_method:
                                M_ALD32(REG_ITMP1, REG_ITMP1,
                                                OFFSET(vftbl_t, interfacetable[0]) -
                                                superindex * sizeof(methodptr*));
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_CLASSINFO_INTERFACETABLE, super);
                                M_TEST(REG_ITMP1);
 /*                                     emit_setcc_reg(cd, CC_A, d); */
 /*                                     emit_jcc(cd, CC_BE, 5); */
@@ -3333,28 +3417,61 @@ gen_method:
                                        emit_label_beq(cd, BRANCH_LABEL_5);
                                }
 
-                               M_ALD(REG_ITMP1, s1, OFFSET(java_object_t, vftbl));
-
+                               M_ALD(REG_ITMP2, s1, OFFSET(java_object_t, vftbl));
                                if (super == NULL) {
-                                       codegen_addpatchref(cd, PATCHER_instanceof_class,
+                                       patcher_add_patch_ref(jd, PATCHER_instanceof_class,
                                                                                iptr->sx.s23.s3.c.ref, 0);
                                }
+                               M_MOV_IMM(supervftbl, REG_ITMP3);
+                               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_CLASSINFO_VFTBL, super);
+
+                               if (super == NULL || super->vftbl->subtype_depth >= DISPLAY_SIZE) {
+                                       M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_offset));
+                                       M_CMP_MEMINDEX(REG_ITMP2, 0, REG_ITMP1, 0, REG_ITMP3);
+                                       emit_label_bne(cd, BRANCH_LABEL_8); /* jump over INC/SETE */
+                                       if (d == REG_ITMP2) {
+                                               M_SETE(d);
+                                               M_BSEXT(d, d);
+                                       } else
+                                               M_IINC(d);
+                                       emit_label_br(cd, BRANCH_LABEL_6);  /* true */
+                                       emit_label(cd, BRANCH_LABEL_8);
+
+                                       if (super == NULL) {
+                                               M_ICMP_IMM(OFFSET(vftbl_t, subtype_display[DISPLAY_SIZE]), REG_ITMP1);
+                                               emit_label_bne(cd, BRANCH_LABEL_10);  /* false */
+                                       }
 
-                               M_MOV_IMM(supervftbl, REG_ITMP2);
+                                       M_ILD(REG_ITMP1, REG_ITMP3, OFFSET(vftbl_t, subtype_depth));
+                                       M_CMP_MEMBASE(REG_ITMP2, OFFSET(vftbl_t, subtype_depth), REG_ITMP1);
+                                       emit_label_bgt(cd, BRANCH_LABEL_9);  /* false */
 
-                               CODEGEN_CRITICAL_SECTION_START;
+                                       M_ALD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, subtype_overflow));
+                                       M_CMP_MEMINDEX(REG_ITMP2, -4*DISPLAY_SIZE, REG_ITMP1, 2, REG_ITMP3);
+                                       M_SETE(d);
+                                       if (d == REG_ITMP2) {
+                                               M_BSEXT(d, d);
 
-                               M_ILD(REG_ITMP1, REG_ITMP1, OFFSET(vftbl_t, baseval));
-                               M_ILD(REG_ITMP3, REG_ITMP2, OFFSET(vftbl_t, diffval));
-                               M_ILD(REG_ITMP2, REG_ITMP2, OFFSET(vftbl_t, baseval));
+                                               emit_label_br(cd, BRANCH_LABEL_7); /* jump over M_CLR */
+                                       }
 
-                               CODEGEN_CRITICAL_SECTION_END;
+                                       emit_label(cd, BRANCH_LABEL_9);
+                                       if (super == NULL)
+                                               emit_label(cd, BRANCH_LABEL_10);
+                                       if (d == REG_ITMP2) {
+                                               M_CLR(d);
 
-                               M_ISUB(REG_ITMP2, REG_ITMP1);
-                               M_CLR(d);                                 /* may be REG_ITMP2 */
-                               M_CMP(REG_ITMP3, REG_ITMP1);
-                               M_BA(5);
-                               M_MOV_IMM(1, d);
+                                               emit_label(cd, BRANCH_LABEL_7);
+                                       }
+                                       emit_label(cd, BRANCH_LABEL_6);
+                               }
+                               else {
+                                       M_CMP_MEMBASE(REG_ITMP2, super->vftbl->subtype_offset, REG_ITMP3);
+
+                                       M_SETE(d);
+                                       if (d == REG_ITMP2)
+                                               M_BSEXT(d, d);
+                               }
 
                                if (super != NULL)
                                        emit_label(cd, BRANCH_LABEL_5);
@@ -3393,7 +3510,7 @@ gen_method:
                        /* is a patcher function set? */
 
                        if (INSTRUCTION_IS_UNRESOLVED(iptr)) {
-                               codegen_addpatchref(cd, PATCHER_builtin_multianewarray,
+                               patcher_add_patch_ref(jd, PATCHER_builtin_multianewarray,
                                                                        iptr->sx.s23.s3.c.ref, 0);
 
                                disp = 0;
@@ -3409,6 +3526,7 @@ gen_method:
                        /* a1 = arraydescriptor */
 
                        M_IST_IMM(disp, REG_SP, 1 * 4);
+                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_CLASSINFO, disp);
 
                        /* a2 = pointer to dimensions = stack pointer */
 
@@ -3417,6 +3535,8 @@ gen_method:
                        M_AST(REG_ITMP1, REG_SP, 2 * 4);
 
                        M_MOV_IMM(BUILTIN_multianewarray, REG_ITMP1);
+                       JITCACHE_ADD_CACHED_REF_JD(jd, CRT_BUILTIN_FP,
+                                                                 builtintable_get_internal(BUILTIN_multianewarray));
                        M_CALL(REG_ITMP1);
 
                        /* check for exception before result assignment */
@@ -3428,6 +3548,13 @@ gen_method:
                        emit_store_dst(jd, iptr, s1);
                        break;
 
+#if defined(ENABLE_SSA)
+               case ICMD_GETEXCEPTION:
+                       d = codegen_reg_of_dst(jd, iptr, REG_ITMP1);
+                       M_INTMOVE(REG_ITMP1, d);
+                       emit_store_dst(jd, iptr, d);
+                       break;
+#endif
                default:
                        exceptions_throw_internalerror("Unknown ICMD %d during code generation",
                                                                                   iptr->opc);
@@ -3467,206 +3594,15 @@ gen_method:
        } /* if (bptr -> flags >= BBREACHED) */
        } /* for basic block */
 
-       dseg_createlinenumbertable(cd);
-
        /* generate stubs */
 
-       emit_patcher_stubs(jd);
+       emit_patcher_traps(jd);
 
        /* everything's ok */
 
        return true;
 }
 
-/* codegen_emit_stub_compiler **************************************************
-
-   Emit a stub routine which calls the compiler.
-       
-*******************************************************************************/
-
-void codegen_emit_stub_compiler(jitdata *jd)
-{
-       methodinfo  *m;
-       codegendata *cd;
-
-       /* get required compiler data */
-
-       m  = jd->m;
-       cd = jd->cd;
-
-       /* code for the stub */
-
-       M_MOV_IMM(m, REG_ITMP1);
-       M_MOV_IMM(asm_call_jit_compiler, REG_ITMP3);
-       M_JMP(REG_ITMP3);
-}
-
-
-/* codegen_emit_stub_builtin ***************************************************
-
-   Creates a stub routine which calls a builtin function.
-
-*******************************************************************************/
-
-void codegen_emit_stub_builtin(jitdata *jd, builtintable_entry *bte)
-{
-       codeinfo    *code;
-       codegendata *cd;
-       methoddesc  *md;
-       s4           i;
-       s4           disp;
-       s4           s1, s2;
-
-       /* get required compiler data */
-
-       code = jd->code;
-       cd   = jd->cd;
-
-       /* set some variables */
-
-       md = bte->md;
-
-       /* calculate stack frame size */
-
-       cd->stackframesize =
-               sizeof(stackframeinfo) / SIZEOF_VOID_P +
-               4;                              /* 4 arguments or return value        */
-
-       cd->stackframesize |= 0x3;          /* keep stack 16-byte aligned         */
-
-       /* create method header */
-
-       (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
-       (void) dseg_add_unique_s4(cd, cd->stackframesize * 4); /* FrameSize       */
-       (void) dseg_add_unique_s4(cd, 0);                      /* IsSync          */
-       (void) dseg_add_unique_s4(cd, 0);                      /* IsLeaf          */
-       (void) dseg_add_unique_s4(cd, 0);                      /* IntSave         */
-       (void) dseg_add_unique_s4(cd, 0);                      /* FltSave         */
-       (void) dseg_addlinenumbertablesize(cd);
-       (void) dseg_add_unique_s4(cd, 0);                      /* ExTableSize     */
-
-       /* generate stub code */
-
-       M_ASUB_IMM(cd->stackframesize * 4, REG_SP);
-
-#if defined(ENABLE_GC_CACAO)
-       /* Save callee saved integer registers in stackframeinfo (GC may
-          need to recover them during a collection). */
-
-       disp = cd->stackframesize * 4 - sizeof(stackframeinfo) +
-               OFFSET(stackframeinfo, intregs);
-
-       for (i = 0; i < INT_SAV_CNT; i++)
-               M_AST(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
-#endif
-
-       /* create dynamic stack info */
-
-       M_MOV(REG_SP, REG_ITMP1);
-       M_AADD_IMM(cd->stackframesize * 4, REG_ITMP1);
-       M_AST(REG_ITMP1, REG_SP, 0 * 4);
-
-       M_IST_IMM(0, REG_SP, 1 * 4);
-       dseg_adddata(cd);
-
-       M_MOV(REG_SP, REG_ITMP2);
-       M_AADD_IMM(cd->stackframesize * 4 + SIZEOF_VOID_P, REG_ITMP2);
-       M_AST(REG_ITMP2, REG_SP, 2 * 4);
-
-       M_ALD(REG_ITMP3, REG_SP, cd->stackframesize * 4);
-       M_AST(REG_ITMP3, REG_SP, 3 * 4);
-
-       M_MOV_IMM(codegen_stub_builtin_enter, REG_ITMP1);
-       M_CALL(REG_ITMP1);
-
-       /* builtins are allowed to have 4 arguments max */
-
-       assert(md->paramcount <= 4);
-
-       /* copy arguments into new stackframe */
-
-       for (i = 0; i < md->paramcount; i++) {
-               if (!md->params[i].inmemory) {
-                       log_text("No integer argument registers available!");
-                       assert(0);
-
-               } else {       /* float/double in memory can be copied like int/longs */
-                       s1 = md->params[i].regoff + cd->stackframesize * 4 + 4;
-                       s2 = md->params[i].regoff;
-
-                       M_ILD(REG_ITMP1, REG_SP, s1);
-                       M_IST(REG_ITMP1, REG_SP, s2);
-                       if (IS_2_WORD_TYPE(md->paramtypes[i].type)) {
-                               M_ILD(REG_ITMP1, REG_SP, s1 + 4);
-                               M_IST(REG_ITMP1, REG_SP, s2 + 4);
-                       }
-
-               }
-       }
-
-       /* call the builtin function */
-
-       M_MOV_IMM(bte->fp, REG_ITMP3);
-       M_CALL(REG_ITMP3);
-
-       /* save return value */
-
-       if (md->returntype.type != TYPE_VOID) {
-               if (IS_INT_LNG_TYPE(md->returntype.type)) {
-                       if (IS_2_WORD_TYPE(md->returntype.type))
-                               M_IST(REG_RESULT2, REG_SP, 2 * 4);
-                       M_IST(REG_RESULT, REG_SP, 1 * 4);
-               }
-               else {
-                       if (IS_2_WORD_TYPE(md->returntype.type))
-                               emit_fstl_membase(cd, REG_SP, 1 * 4);
-                       else
-                               emit_fsts_membase(cd, REG_SP, 1 * 4);
-               }
-       }
-
-       /* remove native stackframe info */
-
-       M_MOV(REG_SP, REG_ITMP1);
-       M_AADD_IMM(cd->stackframesize * 4, REG_ITMP1);
-       M_AST(REG_ITMP1, REG_SP, 0 * 4);
-
-       M_MOV_IMM(codegen_stub_builtin_exit, REG_ITMP1);
-       M_CALL(REG_ITMP1);
-
-       /* restore return value */
-
-       if (md->returntype.type != TYPE_VOID) {
-               if (IS_INT_LNG_TYPE(md->returntype.type)) {
-                       if (IS_2_WORD_TYPE(md->returntype.type))
-                               M_ILD(REG_RESULT2, REG_SP, 2 * 4);
-                       M_ILD(REG_RESULT, REG_SP, 1 * 4);
-               }
-               else {
-                       if (IS_2_WORD_TYPE(md->returntype.type))
-                               emit_fldl_membase(cd, REG_SP, 1 * 4);
-                       else
-                               emit_flds_membase(cd, REG_SP, 1 * 4);
-               }
-       }
-
-#if defined(ENABLE_GC_CACAO)
-       /* Restore callee saved integer registers from stackframeinfo (GC
-          might have modified them during a collection). */
-        
-       disp = cd->stackframesize * 4 - sizeof(stackframeinfo) +
-               OFFSET(stackframeinfo, intregs);
-
-       for (i = 0; i < INT_SAV_CNT; i++)
-               M_ALD(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
-#endif
-
-       /* remove stackframe */
-
-       M_AADD_IMM(cd->stackframesize * 4, REG_SP);
-       M_RET;
-}
-
 
 /* codegen_emit_stub_native ****************************************************
 
@@ -3674,17 +3610,15 @@ void codegen_emit_stub_builtin(jitdata *jd, builtintable_entry *bte)
 
 *******************************************************************************/
 
-void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
+void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f, int skipparams)
 {
        methodinfo  *m;
        codeinfo    *code;
        codegendata *cd;
        methoddesc  *md;
-       s4           nativeparams;
-       s4           i, j;                 /* count variables                    */
-       s4           t;
-       s4           s1, s2;
-       s4            disp;
+       int          i, j;                 /* count variables                    */
+       int          s1, s2;
+       int          disp;
 
        /* get required compiler data */
 
@@ -3695,31 +3629,26 @@ void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
        /* set some variables */
 
        md = m->parseddesc;
-       nativeparams = (m->flags & ACC_STATIC) ? 2 : 1;
 
        /* calculate stackframe size */
 
        cd->stackframesize =
-               sizeof(stackframeinfo) / SIZEOF_VOID_P +
+               sizeof(stackframeinfo_t) / SIZEOF_VOID_P +
                sizeof(localref_table) / SIZEOF_VOID_P +
-               1 +                             /* function pointer                   */
                4 +                             /* 4 arguments (start_native_call)    */
                nmd->memuse;
 
     /* keep stack 16-byte aligned */
 
-       ALIGN_ODD(cd->stackframesize);        /* XXX this is wrong, +4 is missing */
+       ALIGN_ODD(cd->stackframesize);
 
        /* create method header */
 
        (void) dseg_add_unique_address(cd, code);              /* CodeinfoPointer */
-       (void) dseg_add_unique_s4(cd, cd->stackframesize * 8); /* FrameSize       */
-       (void) dseg_add_unique_s4(cd, 0);                      /* IsSync          */
+       (void) dseg_add_unique_s4(cd, cd->stackframesize * 8 + 4); /* FrameSize       */
        (void) dseg_add_unique_s4(cd, 0);                      /* IsLeaf          */
        (void) dseg_add_unique_s4(cd, 0);                      /* IntSave         */
        (void) dseg_add_unique_s4(cd, 0);                      /* FltSave         */
-       (void) dseg_addlinenumbertablesize(cd);
-       (void) dseg_add_unique_s4(cd, 0);                      /* ExTableSize     */
 
 #if defined(ENABLE_PROFILING)
        /* generate native method profiling code */
@@ -3729,25 +3658,13 @@ void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
 
                M_MOV_IMM(code, REG_ITMP1);
                M_IADD_IMM_MEMBASE(1, REG_ITMP1, OFFSET(codeinfo, frequency));
+               JITCACHE_ADD_CACHED_REF_JD(jd, CRT_CODEINFO, 0);
        }
 #endif
 
        /* calculate stackframe size for native function */
 
-       M_ASUB_IMM(cd->stackframesize * 8, REG_SP);
-
-#if !defined(NDEBUG)
-       emit_verbosecall_enter(jd);
-#endif
-
-       /* get function address (this must happen before the stackframeinfo) */
-
-#if !defined(WITH_STATIC_CLASSPATH)
-       if (f == NULL)
-               codegen_addpatchref(cd, PATCHER_resolve_native, m, 0);
-#endif
-
-       M_AST_IMM((ptrint) f, REG_SP, 4 * 4);
+       M_ASUB_IMM(cd->stackframesize * 8 + 4, REG_SP);
 
        /* Mark the whole fpu stack as free for native functions (only for saved  */
        /* register count == 0).                                                  */
@@ -3765,8 +3682,8 @@ void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
        /* remember callee saved int registers in stackframeinfo (GC may need to  */
        /* recover them during a collection).                                     */
 
-       disp = cd->stackframesize * 8 - sizeof(stackframeinfo) +
-               OFFSET(stackframeinfo, intregs);
+       disp = cd->stackframesize * 8 - sizeof(stackframeinfo_t) +
+               OFFSET(stackframeinfo_t, intregs);
 
        for (i = 0; i < INT_SAV_CNT; i++)
                M_AST(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
@@ -3775,64 +3692,84 @@ void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
        /* prepare data structures for native function call */
 
        M_MOV(REG_SP, REG_ITMP1);
-       M_AADD_IMM(cd->stackframesize * 8, REG_ITMP1);
-
        M_AST(REG_ITMP1, REG_SP, 0 * 4);
        M_IST_IMM(0, REG_SP, 1 * 4);
        dseg_adddata(cd);
 
-       M_MOV(REG_SP, REG_ITMP2);
-       M_AADD_IMM(cd->stackframesize * 8 + SIZEOF_VOID_P, REG_ITMP2);
-
-       M_AST(REG_ITMP2, REG_SP, 2 * 4);
-       M_ALD(REG_ITMP3, REG_SP, cd->stackframesize * 8);
-       M_AST(REG_ITMP3, REG_SP, 3 * 4);
        M_MOV_IMM(codegen_start_native_call, REG_ITMP1);
        M_CALL(REG_ITMP1);
 
-       M_ALD(REG_ITMP3, REG_SP, 4 * 4);
+       /* remember class argument */
 
-       /* copy arguments into new stackframe */
+       if (m->flags & ACC_STATIC)
+               M_MOV(REG_RESULT, REG_ITMP3);
 
-       for (i = md->paramcount - 1, j = i + nativeparams; i >= 0; i--, j--) {
-               t = md->paramtypes[i].type;
+       /* Copy or spill arguments to new locations. */
 
-               if (!md->params[i].inmemory) {
-                       /* no integer argument registers */
-               }
-               else {
-                       /* float/double in memory can be copied like int/longs */
+       for (i = md->paramcount - 1, j = i + skipparams; i >= 0; i--, j--) {
+               if (!md->params[i].inmemory)
+                       assert(0);
+
+               s1 = md->params[i].regoff + cd->stackframesize * 8 + 8;
+               s2 = nmd->params[j].regoff;
 
-                       s1 = md->params[i].regoff + cd->stackframesize * 8 + 4;
-                       s2 = nmd->params[j].regoff;
+               /* float/double in memory can be copied like int/longs */
 
+               switch (md->paramtypes[i].type) {
+               case TYPE_INT:
+               case TYPE_FLT:
+               case TYPE_ADR:
                        M_ILD(REG_ITMP1, REG_SP, s1);
                        M_IST(REG_ITMP1, REG_SP, s2);
-                       if (IS_2_WORD_TYPE(t)) {
-                               M_ILD(REG_ITMP1, REG_SP, s1 + 4);
-                               M_IST(REG_ITMP1, REG_SP, s2 + 4);
-                       }
+                       break;
+               case TYPE_LNG:
+               case TYPE_DBL:
+                       M_LLD(REG_ITMP12_PACKED, REG_SP, s1);
+                       M_LST(REG_ITMP12_PACKED, REG_SP, s2);
+                       break;
                }
        }
 
-       /* if function is static, put class into second argument */
+       /* Handle native Java methods. */
 
-       if (m->flags & ACC_STATIC)
-               M_AST_IMM(m->class, REG_SP, 1 * 4);
+       if (m->flags & ACC_NATIVE) {
+               /* if function is static, put class into second argument */
 
-       /* put env into first argument */
+               if (m->flags & ACC_STATIC)
+                       M_AST(REG_ITMP3, REG_SP, 1 * 4);
 
-       M_AST_IMM(_Jv_env, REG_SP, 0 * 4);
+               /* put env into first argument */
 
-       /* call the native function */
+               M_AST_IMM(VM_get_jnienv(), REG_SP, 0 * 4);
+       }
 
-       M_CALL(REG_ITMP3);
+       /* Call the native function. */
+
+       disp = dseg_add_functionptr(cd, f);
+       emit_mov_imm_reg(cd, 0, REG_ITMP3);
+       dseg_adddata(cd);
+       M_ALD(REG_ITMP1, REG_ITMP3, disp);
+       M_CALL(REG_ITMP1);
 
        /* save return value */
 
        switch (md->returntype.type) {
        case TYPE_INT:
        case TYPE_ADR:
+               switch (md->returntype.primitivetype) {
+               case PRIMITIVETYPE_BOOLEAN:
+                       M_BZEXT(REG_RESULT, REG_RESULT);
+                       break;
+               case PRIMITIVETYPE_BYTE:
+                       M_BSEXT(REG_RESULT, REG_RESULT);
+                       break;
+               case PRIMITIVETYPE_CHAR:
+                       M_CZEXT(REG_RESULT, REG_RESULT);
+                       break;
+               case PRIMITIVETYPE_SHORT:
+                       M_SSEXT(REG_RESULT, REG_RESULT);
+                       break;
+               }
                M_IST(REG_RESULT, REG_SP, 1 * 8);
                break;
        case TYPE_LNG:
@@ -3848,16 +3785,13 @@ void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
                break;
        }
 
-#if !defined(NDEBUG)
-       emit_verbosecall_exit(jd);
-#endif
-
        /* remove native stackframe info */
 
        M_MOV(REG_SP, REG_ITMP1);
-       M_AADD_IMM(cd->stackframesize * 8, REG_ITMP1);
-
        M_AST(REG_ITMP1, REG_SP, 0 * 4);
+       M_IST_IMM(0, REG_SP, 1 * 4);
+       dseg_adddata(cd);
+
        M_MOV_IMM(codegen_finish_native_call, REG_ITMP1);
        M_CALL(REG_ITMP1);
        M_MOV(REG_RESULT, REG_ITMP2);                 /* REG_ITMP3 == REG_RESULT2 */
@@ -3886,14 +3820,14 @@ void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
        /* restore callee saved int registers from stackframeinfo (GC might have  */
        /* modified them during a collection).                                    */
 
-       disp = cd->stackframesize * 8 - sizeof(stackframeinfo) +
-               OFFSET(stackframeinfo, intregs);
+       disp = cd->stackframesize * 8 - sizeof(stackframeinfo_t) +
+               OFFSET(stackframeinfo_t, intregs);
 
        for (i = 0; i < INT_SAV_CNT; i++)
                M_ALD(abi_registers_integer_saved[i], REG_SP, disp + i * 4);
 #endif
 
-       M_AADD_IMM(cd->stackframesize * 8, REG_SP);
+       M_AADD_IMM(cd->stackframesize * 8 + 4, REG_SP);
 
        /* check for exception */
 
@@ -3910,10 +3844,6 @@ void codegen_emit_stub_native(jitdata *jd, methoddesc *nmd, functionptr f)
 
        M_MOV_IMM(asm_handle_nat_exception, REG_ITMP3);
        M_JMP(REG_ITMP3);
-
-       /* generate patcher stubs */
-
-       emit_patcher_stubs(jd);
 }