jdk8-mips64-public/hotspot: src/cpu/zero/vm/frame_zero.cpp@f90c822e73f8 (annotated)

src/cpu/zero/vm/frame_zero.cpp@f90c822e73f8 (annotated)

src/cpu/zero/vm/frame_zero.cpp

Wed, 27 Apr 2016 01:25:04 +0800

author: aoqi
date: Wed, 27 Apr 2016 01:25:04 +0800
changeset 0: f90c822e73f8
child 6876: 710a3c8b516e
permissions: -rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/
changeset: 6782:28b50d07f6f8
tag: jdk8u25-b17

 /*
  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 #include "precompiled.hpp"
 #include "code/scopeDesc.hpp"
 #include "interpreter/interpreter.hpp"
 #include "interpreter/interpreterRuntime.hpp"
 #include "memory/resourceArea.hpp"
 #include "oops/markOop.hpp"
 #include "oops/method.hpp"
 #include "oops/oop.inline.hpp"
 #include "runtime/frame.inline.hpp"
 #include "runtime/handles.inline.hpp"
 #include "runtime/javaCalls.hpp"
 #include "runtime/monitorChunk.hpp"
 #include "runtime/signature.hpp"
 #include "runtime/stubCodeGenerator.hpp"
 #include "runtime/stubRoutines.hpp"
 #include "vmreg_zero.inline.hpp"
 #ifdef COMPILER1
 #include "c1/c1_Runtime1.hpp"
 #include "runtime/vframeArray.hpp"
 #endif
 #ifdef ASSERT
 void RegisterMap::check_location_valid() {
   ShouldNotCallThis();
 }
 #endif
 bool frame::is_interpreted_frame() const {
   return zeroframe()->is_interpreter_frame();
 }
 bool frame::is_fake_stub_frame() const {
   return zeroframe()->is_fake_stub_frame();
 }
 frame frame::sender_for_entry_frame(RegisterMap *map) const {
   assert(zeroframe()->is_entry_frame(), "wrong type of frame");
   assert(map != NULL, "map must be set");
   assert(!entry_frame_is_first(), "next Java fp must be non zero");
   assert(entry_frame_call_wrapper()->anchor()->last_Java_sp() == sender_sp(),
          "sender should be next Java frame");
   map->clear();
   assert(map->include_argument_oops(), "should be set by clear");
   return frame(zeroframe()->next(), sender_sp());
 }
 frame frame::sender_for_nonentry_frame(RegisterMap *map) const {
   assert(zeroframe()->is_interpreter_frame() ||
          zeroframe()->is_shark_frame() ||
          zeroframe()->is_fake_stub_frame(), "wrong type of frame");
   return frame(zeroframe()->next(), sender_sp());
 }
 frame frame::sender(RegisterMap* map) const {
   // Default is not to follow arguments; the various
   // sender_for_xxx methods update this accordingly.
   map->set_include_argument_oops(false);
   if (is_entry_frame())
     return sender_for_entry_frame(map);
   else
     return sender_for_nonentry_frame(map);
 }
 #ifdef CC_INTERP
 BasicObjectLock* frame::interpreter_frame_monitor_begin() const {
   return get_interpreterState()->monitor_base();
 }
 BasicObjectLock* frame::interpreter_frame_monitor_end() const {
   return (BasicObjectLock*) get_interpreterState()->stack_base();
 }
 #endif // CC_INTERP
 void frame::patch_pc(Thread* thread, address pc) {
   if (pc != NULL) {
     _cb = CodeCache::find_blob(pc);
     SharkFrame* sharkframe = zeroframe()->as_shark_frame();
     sharkframe->set_pc(pc);
     _pc = pc;
     _deopt_state = is_deoptimized;
   } else {
     // We borrow this call to set the thread pointer in the interpreter
     // state; the hook to set up deoptimized frames isn't supplied it.
     assert(pc == NULL, "should be");
     get_interpreterState()->set_thread((JavaThread *) thread);
   }
 }
 bool frame::safe_for_sender(JavaThread *thread) {
   ShouldNotCallThis();
   return false;
 }
 void frame::pd_gc_epilog() {
 }
 bool frame::is_interpreted_frame_valid(JavaThread *thread) const {
   ShouldNotCallThis();
   return false;
 }
 BasicType frame::interpreter_frame_result(oop* oop_result,
                                           jvalue* value_result) {
   assert(is_interpreted_frame(), "interpreted frame expected");
   Method* method = interpreter_frame_method();
   BasicType type = method->result_type();
   intptr_t* tos_addr = (intptr_t *) interpreter_frame_tos_address();
   oop obj;
   switch (type) {
   case T_VOID:
     break;
   case T_BOOLEAN:
     value_result->z = *(jboolean *) tos_addr;
     break;
   case T_BYTE:
     value_result->b = *(jbyte *) tos_addr;
     break;
   case T_CHAR:
     value_result->c = *(jchar *) tos_addr;
     break;
   case T_SHORT:
     value_result->s = *(jshort *) tos_addr;
     break;
   case T_INT:
     value_result->i = *(jint *) tos_addr;
     break;
   case T_LONG:
     value_result->j = *(jlong *) tos_addr;
     break;
   case T_FLOAT:
     value_result->f = *(jfloat *) tos_addr;
     break;
   case T_DOUBLE:
     value_result->d = *(jdouble *) tos_addr;
     break;
   case T_OBJECT:
   case T_ARRAY:
     if (method->is_native()) {
       obj = get_interpreterState()->oop_temp();
     }
     else {
       oop* obj_p = (oop *) tos_addr;
       obj = (obj_p == NULL) ? (oop) NULL : *obj_p;
     }
     assert(obj == NULL || Universe::heap()->is_in(obj), "sanity check");
     *oop_result = obj;
     break;
   default:
     ShouldNotReachHere();
   }
   return type;
 }
 int frame::frame_size(RegisterMap* map) const {
 #ifdef PRODUCT
   ShouldNotCallThis();
 #endif // PRODUCT
   return 0; // make javaVFrame::print_value work
 }
 intptr_t* frame::interpreter_frame_tos_at(jint offset) const {
   int index = (Interpreter::expr_offset_in_bytes(offset) / wordSize);
   return &interpreter_frame_tos_address()[index];
 }
 void frame::zero_print_on_error(int           frame_index,
                                 outputStream* st,
                                 char*         buf,
                                 int           buflen) const {
   // Divide the buffer between the field and the value
   buflen >>= 1;
   char *fieldbuf = buf;
   char *valuebuf = buf + buflen;
   // Print each word of the frame
   for (intptr_t *addr = sp(); addr <= fp(); addr++) {
     int offset = fp() - addr;
     // Fill in default values, then try and improve them
     snprintf(fieldbuf, buflen, "word[%d]", offset);
     snprintf(valuebuf, buflen, PTR_FORMAT, *addr);
     zeroframe()->identify_word(frame_index, offset, fieldbuf, valuebuf, buflen);
     fieldbuf[buflen - 1] = '\0';
     valuebuf[buflen - 1] = '\0';
     // Print the result
     st->print_cr(" " PTR_FORMAT ": %-21s = %s", addr, fieldbuf, valuebuf);
   }
 }
 void ZeroFrame::identify_word(int   frame_index,
                               int   offset,
                               char* fieldbuf,
                               char* valuebuf,
                               int   buflen) const {
   switch (offset) {
   case next_frame_off:
     strncpy(fieldbuf, "next_frame", buflen);
     break;
   case frame_type_off:
     strncpy(fieldbuf, "frame_type", buflen);
     if (is_entry_frame())
       strncpy(valuebuf, "ENTRY_FRAME", buflen);
     else if (is_interpreter_frame())
       strncpy(valuebuf, "INTERPRETER_FRAME", buflen);
     else if (is_shark_frame())
       strncpy(valuebuf, "SHARK_FRAME", buflen);
     else if (is_fake_stub_frame())
       strncpy(valuebuf, "FAKE_STUB_FRAME", buflen);
     break;
   default:
     if (is_entry_frame()) {
       as_entry_frame()->identify_word(
         frame_index, offset, fieldbuf, valuebuf, buflen);
     }
     else if (is_interpreter_frame()) {
       as_interpreter_frame()->identify_word(
         frame_index, offset, fieldbuf, valuebuf, buflen);
     }
     else if (is_shark_frame()) {
       as_shark_frame()->identify_word(
         frame_index, offset, fieldbuf, valuebuf, buflen);
     }
     else if (is_fake_stub_frame()) {
       as_fake_stub_frame()->identify_word(
         frame_index, offset, fieldbuf, valuebuf, buflen);
     }
   }
 }
 void EntryFrame::identify_word(int   frame_index,
                                int   offset,
                                char* fieldbuf,
                                char* valuebuf,
                                int   buflen) const {
   switch (offset) {
   case call_wrapper_off:
     strncpy(fieldbuf, "call_wrapper", buflen);
     break;
   default:
     snprintf(fieldbuf, buflen, "local[%d]", offset - 3);
   }
 }
 void InterpreterFrame::identify_word(int   frame_index,
                                      int   offset,
                                      char* fieldbuf,
                                      char* valuebuf,
                                      int   buflen) const {
   interpreterState istate = interpreter_state();
   bool is_valid = istate->self_link() == istate;
   intptr_t *addr = addr_of_word(offset);
   // Fixed part
   if (addr >= (intptr_t *) istate) {
     const char *field = istate->name_of_field_at_address((address) addr);
     if (field) {
       if (is_valid && !strcmp(field, "_method")) {
         istate->method()->name_and_sig_as_C_string(valuebuf, buflen);
       }
       else if (is_valid && !strcmp(field, "_bcp") && istate->bcp()) {
         snprintf(valuebuf, buflen, PTR_FORMAT " (bci %d)",
                  (intptr_t) istate->bcp(),
                  istate->method()->bci_from(istate->bcp()));
       }
       snprintf(fieldbuf, buflen, "%sistate->%s",
                field[strlen(field) - 1] == ')' ? "(": "", field);
     }
     else if (addr == (intptr_t *) istate) {
       strncpy(fieldbuf, "(vtable for istate)", buflen);
     }
     return;
   }
   // Variable part
   if (!is_valid)
     return;
   // JNI stuff
   if (istate->method()->is_native() && addr < istate->stack_base()) {
     address hA = istate->method()->signature_handler();
     if (hA != NULL) {
       if (hA != (address) InterpreterRuntime::slow_signature_handler) {
         InterpreterRuntime::SignatureHandler *handler =
           InterpreterRuntime::SignatureHandler::from_handlerAddr(hA);
         intptr_t *params = istate->stack_base() - handler->argument_count();
         if (addr >= params) {
           int param = addr - params;
           const char *desc = "";
           if (param == 0)
             desc = " (JNIEnv)";
           else if (param == 1) {
             if (istate->method()->is_static())
               desc = " (mirror)";
             else
               desc = " (this)";
           }
           snprintf(fieldbuf, buflen, "parameter[%d]%s", param, desc);
           return;
         }
         for (int i = 0; i < handler->argument_count(); i++) {
           if (params[i] == (intptr_t) addr) {
             snprintf(fieldbuf, buflen, "unboxed parameter[%d]", i);
             return;
           }
         }
       }
     }
     return;
   }
   // Monitors and stack
   identify_vp_word(frame_index, addr,
                    (intptr_t *) istate->monitor_base(),
                    istate->stack_base(),
                    fieldbuf, buflen);
 }
 void SharkFrame::identify_word(int   frame_index,
                                int   offset,
                                char* fieldbuf,
                                char* valuebuf,
                                int   buflen) const {
   // Fixed part
   switch (offset) {
   case pc_off:
     strncpy(fieldbuf, "pc", buflen);
     if (method()->is_method()) {
       nmethod *code = method()->code();
       if (code && code->pc_desc_at(pc())) {
         SimpleScopeDesc ssd(code, pc());
         snprintf(valuebuf, buflen, PTR_FORMAT " (bci %d)",
                  (intptr_t) pc(), ssd.bci());
       }
     }
     return;
   case unextended_sp_off:
     strncpy(fieldbuf, "unextended_sp", buflen);
     return;
   case method_off:
     strncpy(fieldbuf, "method", buflen);
     if (method()->is_method()) {
       method()->name_and_sig_as_C_string(valuebuf, buflen);
     }
     return;
   case oop_tmp_off:
     strncpy(fieldbuf, "oop_tmp", buflen);
     return;
   }
   // Variable part
   if (method()->is_method()) {
     identify_vp_word(frame_index, addr_of_word(offset),
                      addr_of_word(header_words + 1),
                      unextended_sp() + method()->max_stack(),
                      fieldbuf, buflen);
   }
 }
 void ZeroFrame::identify_vp_word(int       frame_index,
                                  intptr_t* addr,
                                  intptr_t* monitor_base,
                                  intptr_t* stack_base,
                                  char*     fieldbuf,
                                  int       buflen) const {
   // Monitors
   if (addr >= stack_base && addr < monitor_base) {
     int monitor_size = frame::interpreter_frame_monitor_size();
     int last_index = (monitor_base - stack_base) / monitor_size - 1;
     int index = last_index - (addr - stack_base) / monitor_size;
     intptr_t monitor = (intptr_t) (
       (BasicObjectLock *) monitor_base - 1 - index);
     intptr_t offset = (intptr_t) addr - monitor;
     if (offset == BasicObjectLock::obj_offset_in_bytes())
       snprintf(fieldbuf, buflen, "monitor[%d]->_obj", index);
     else if (offset ==  BasicObjectLock::lock_offset_in_bytes())
       snprintf(fieldbuf, buflen, "monitor[%d]->_lock", index);
     return;
   }
   // Expression stack
   if (addr < stack_base) {
     snprintf(fieldbuf, buflen, "%s[%d]",
              frame_index == 0 ? "stack_word" : "local",
              (int) (stack_base - addr - 1));
     return;
   }
 }
 #ifndef PRODUCT
 void frame::describe_pd(FrameValues& values, int frame_no) {
 }
 #endif
 intptr_t *frame::initial_deoptimization_info() {
   // unused... but returns fp() to minimize changes introduced by 7087445
   return fp();
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

src/cpu/zero/vm/frame_zero.cpp@f90c822e73f8 (annotated)

src/cpu/zero/vm/frame_zero.cpp