--- a/hotspot/src/share/vm/code/nmethod.cpp	Wed Apr 16 17:36:29 2008 -0400
+++ b/hotspot/src/share/vm/code/nmethod.cpp	Thu Apr 17 22:18:15 2008 -0400
@@ -27,7 +27,6 @@
 
 #ifdef DTRACE_ENABLED
 
-
 // Only bother with this argument setup if dtrace is available
 
 HS_DTRACE_PROBE_DECL8(hotspot, compiled__method__load,
@@ -438,7 +437,6 @@
   {
     MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
     int native_nmethod_size = allocation_size(code_buffer, sizeof(nmethod));
-    const int dummy = -1;               // Flag to force proper "operator new"
     CodeOffsets offsets;
     offsets.set_value(CodeOffsets::Verified_Entry, vep_offset);
     offsets.set_value(CodeOffsets::Frame_Complete, frame_complete);
@@ -461,6 +459,41 @@
   return nm;
 }
 
+#ifdef HAVE_DTRACE_H
+nmethod* nmethod::new_dtrace_nmethod(methodHandle method,
+                                     CodeBuffer *code_buffer,
+                                     int vep_offset,
+                                     int trap_offset,
+                                     int frame_complete,
+                                     int frame_size) {
+  // create nmethod
+  nmethod* nm = NULL;
+  {
+    MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
+    int nmethod_size = allocation_size(code_buffer, sizeof(nmethod));
+    CodeOffsets offsets;
+    offsets.set_value(CodeOffsets::Verified_Entry, vep_offset);
+    offsets.set_value(CodeOffsets::Dtrace_trap, trap_offset);
+    offsets.set_value(CodeOffsets::Frame_Complete, frame_complete);
+
+    nm = new (nmethod_size) nmethod(method(), nmethod_size, &offsets, code_buffer, frame_size);
+
+    NOT_PRODUCT(if (nm != NULL)  nmethod_stats.note_nmethod(nm));
+    if (PrintAssembly && nm != NULL)
+      Disassembler::decode(nm);
+  }
+  // verify nmethod
+  debug_only(if (nm) nm->verify();) // might block
+
+  if (nm != NULL) {
+    nm->log_new_nmethod();
+  }
+
+  return nm;
+}
+
+#endif // def HAVE_DTRACE_H
+
 nmethod* nmethod::new_nmethod(methodHandle method,
   int compile_id,
   int entry_bci,
@@ -558,6 +591,9 @@
     _exception_offset        = 0;
     _deoptimize_offset       = 0;
     _orig_pc_offset          = 0;
+#ifdef HAVE_DTRACE_H
+    _trap_offset             = 0;
+#endif // def HAVE_DTRACE_H
     _stub_offset             = data_offset();
     _consts_offset           = data_offset();
     _scopes_data_offset      = data_offset();
@@ -615,6 +651,90 @@
   Events::log("Create nmethod " INTPTR_FORMAT, this);
 }
 
+// For dtrace wrappers
+#ifdef HAVE_DTRACE_H
+nmethod::nmethod(
+  methodOop method,
+  int nmethod_size,
+  CodeOffsets* offsets,
+  CodeBuffer* code_buffer,
+  int frame_size)
+  : CodeBlob("dtrace nmethod", code_buffer, sizeof(nmethod),
+             nmethod_size, offsets->value(CodeOffsets::Frame_Complete), frame_size, NULL),
+  _compiled_synchronized_native_basic_lock_owner_sp_offset(in_ByteSize(-1)),
+  _compiled_synchronized_native_basic_lock_sp_offset(in_ByteSize(-1))
+{
+  {
+    debug_only(No_Safepoint_Verifier nsv;)
+    assert_locked_or_safepoint(CodeCache_lock);
+
+    NOT_PRODUCT(_has_debug_info = false; )
+    _method                  = method;
+    _entry_bci               = InvocationEntryBci;
+    _link                    = NULL;
+    _compiler                = NULL;
+    // We have no exception handler or deopt handler make the
+    // values something that will never match a pc like the nmethod vtable entry
+    _exception_offset        = 0;
+    _deoptimize_offset       = 0;
+    _trap_offset             = offsets->value(CodeOffsets::Dtrace_trap);
+    _orig_pc_offset          = 0;
+    _stub_offset             = data_offset();
+    _consts_offset           = data_offset();
+    _scopes_data_offset      = data_offset();
+    _scopes_pcs_offset       = _scopes_data_offset;
+    _dependencies_offset     = _scopes_pcs_offset;
+    _handler_table_offset    = _dependencies_offset;
+    _nul_chk_table_offset    = _handler_table_offset;
+    _nmethod_end_offset      = _nul_chk_table_offset;
+    _compile_id              = 0;  // default
+    _comp_level              = CompLevel_none;
+    _entry_point             = instructions_begin();
+    _verified_entry_point    = instructions_begin() + offsets->value(CodeOffsets::Verified_Entry);
+    _osr_entry_point         = NULL;
+    _exception_cache         = NULL;
+    _pc_desc_cache.reset_to(NULL);
+
+    flags.clear();
+    flags.state              = alive;
+    _markedForDeoptimization = 0;
+
+    _lock_count = 0;
+    _stack_traversal_mark    = 0;
+
+    code_buffer->copy_oops_to(this);
+    debug_only(check_store();)
+    CodeCache::commit(this);
+    VTune::create_nmethod(this);
+  }
+
+  if (PrintNMethods || PrintDebugInfo || PrintRelocations || PrintDependencies) {
+    ttyLocker ttyl;  // keep the following output all in one block
+    // This output goes directly to the tty, not the compiler log.
+    // To enable tools to match it up with the compilation activity,
+    // be sure to tag this tty output with the compile ID.
+    if (xtty != NULL) {
+      xtty->begin_head("print_dtrace_nmethod");
+      xtty->method(_method);
+      xtty->stamp();
+      xtty->end_head(" address='" INTPTR_FORMAT "'", (intptr_t) this);
+    }
+    // print the header part first
+    print();
+    // then print the requested information
+    if (PrintNMethods) {
+      print_code();
+    }
+    if (PrintRelocations) {
+      print_relocations();
+    }
+    if (xtty != NULL) {
+      xtty->tail("print_dtrace_nmethod");
+    }
+  }
+  Events::log("Create nmethod " INTPTR_FORMAT, this);
+}
+#endif // def HAVE_DTRACE_H
 
 void* nmethod::operator new(size_t size, int nmethod_size) {
   // Always leave some room in the CodeCache for I2C/C2I adapters
@@ -658,6 +778,9 @@
     _link                    = NULL;
     _compiler                = compiler;
     _orig_pc_offset          = orig_pc_offset;
+#ifdef HAVE_DTRACE_H
+    _trap_offset             = 0;
+#endif // def HAVE_DTRACE_H
     _stub_offset             = instructions_offset() + code_buffer->total_offset_of(code_buffer->stubs()->start());
 
     // Exception handler and deopt handler are in the stub section
@@ -1885,7 +2008,6 @@
   } else if (is_compiled_by_c2()) {
     tty->print("(c2) ");
   } else {
-    assert(is_native_method(), "Who else?");
     tty->print("(nm) ");
   }