src/hotspot/share/compiler/disassembler.cpp
author goetz
Thu, 12 Jul 2018 16:31:28 +0200
changeset 51078 fc6cfe40e32a
parent 50528 1fd4844371bb
child 51092 3b5fd72147c9
permissions -rw-r--r--
8207049: Minor improvements of compiler code. Reviewed-by: kvn, mdoerr
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/*
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 * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#include "precompiled.hpp"
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#include "ci/ciUtilities.hpp"
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#include "classfile/javaClasses.hpp"
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#include "code/codeCache.hpp"
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#include "compiler/disassembler.hpp"
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#include "gc/shared/cardTable.hpp"
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#include "gc/shared/cardTableBarrierSet.hpp"
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#include "gc/shared/collectedHeap.hpp"
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#include "memory/resourceArea.hpp"
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#include "oops/oop.inline.hpp"
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#include "runtime/handles.inline.hpp"
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#include "runtime/os.hpp"
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#include "runtime/stubCodeGenerator.hpp"
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#include "runtime/stubRoutines.hpp"
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#include CPU_HEADER(depChecker)
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void*       Disassembler::_library               = NULL;
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bool        Disassembler::_tried_to_load_library = false;
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// This routine is in the shared library:
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Disassembler::decode_func_virtual Disassembler::_decode_instructions_virtual = NULL;
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Disassembler::decode_func Disassembler::_decode_instructions = NULL;
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static const char hsdis_library_name[] = "hsdis-" HOTSPOT_LIB_ARCH;
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static const char decode_instructions_virtual_name[] = "decode_instructions_virtual";
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static const char decode_instructions_name[] = "decode_instructions";
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static bool use_new_version = true;
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#define COMMENT_COLUMN  40 LP64_ONLY(+8) /*could be an option*/
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#define BYTES_COMMENT   ";..."  /* funky byte display comment */
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bool Disassembler::load_library() {
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  if (_decode_instructions_virtual != NULL || _decode_instructions != NULL) {
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    // Already succeeded.
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    return true;
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  }
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  if (_tried_to_load_library) {
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    // Do not try twice.
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    // To force retry in debugger: assign _tried_to_load_library=0
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    return false;
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  }
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  // Try to load it.
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  char ebuf[1024];
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  char buf[JVM_MAXPATHLEN];
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  os::jvm_path(buf, sizeof(buf));
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  int jvm_offset = -1;
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  int lib_offset = -1;
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#ifdef STATIC_BUILD
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  char* p = strrchr(buf, '/');
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  *p = '\0';
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  strcat(p, "/lib/");
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  lib_offset = jvm_offset = strlen(buf);
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#else
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  {
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    // Match "jvm[^/]*" in jvm_path.
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    const char* base = buf;
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    const char* p = strrchr(buf, *os::file_separator());
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    if (p != NULL) lib_offset = p - base + 1;
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    p = strstr(p ? p : base, "jvm");
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    if (p != NULL) jvm_offset = p - base;
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  }
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#endif
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  // Find the disassembler shared library.
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  // Search for several paths derived from libjvm, in this order:
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  // 1. <home>/jre/lib/<arch>/<vm>/libhsdis-<arch>.so  (for compatibility)
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  // 2. <home>/jre/lib/<arch>/<vm>/hsdis-<arch>.so
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  // 3. <home>/jre/lib/<arch>/hsdis-<arch>.so
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  // 4. hsdis-<arch>.so  (using LD_LIBRARY_PATH)
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  if (jvm_offset >= 0) {
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    // 1. <home>/jre/lib/<arch>/<vm>/libhsdis-<arch>.so
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    strcpy(&buf[jvm_offset], hsdis_library_name);
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    strcat(&buf[jvm_offset], os::dll_file_extension());
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    _library = os::dll_load(buf, ebuf, sizeof ebuf);
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    if (_library == NULL && lib_offset >= 0) {
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      // 2. <home>/jre/lib/<arch>/<vm>/hsdis-<arch>.so
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      strcpy(&buf[lib_offset], hsdis_library_name);
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      strcat(&buf[lib_offset], os::dll_file_extension());
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      _library = os::dll_load(buf, ebuf, sizeof ebuf);
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    }
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    if (_library == NULL && lib_offset > 0) {
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      // 3. <home>/jre/lib/<arch>/hsdis-<arch>.so
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      buf[lib_offset - 1] = '\0';
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      const char* p = strrchr(buf, *os::file_separator());
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      if (p != NULL) {
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        lib_offset = p - buf + 1;
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        strcpy(&buf[lib_offset], hsdis_library_name);
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        strcat(&buf[lib_offset], os::dll_file_extension());
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        _library = os::dll_load(buf, ebuf, sizeof ebuf);
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      }
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    }
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  }
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  if (_library == NULL) {
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    // 4. hsdis-<arch>.so  (using LD_LIBRARY_PATH)
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    strcpy(&buf[0], hsdis_library_name);
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    strcat(&buf[0], os::dll_file_extension());
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    _library = os::dll_load(buf, ebuf, sizeof ebuf);
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  }
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  if (_library != NULL) {
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    _decode_instructions_virtual = CAST_TO_FN_PTR(Disassembler::decode_func_virtual,
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                                          os::dll_lookup(_library, decode_instructions_virtual_name));
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  }
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  if (_decode_instructions_virtual == NULL && _library != NULL) {
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    // could not spot in new version, try old version
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    _decode_instructions = CAST_TO_FN_PTR(Disassembler::decode_func,
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                                          os::dll_lookup(_library, decode_instructions_name));
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    use_new_version = false;
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  } else {
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    use_new_version = true;
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  }
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  _tried_to_load_library = true;
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  if (_decode_instructions_virtual == NULL && _decode_instructions == NULL) {
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    tty->print_cr("Could not load %s; %s; %s", buf,
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                  ((_library != NULL)
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                   ? "entry point is missing"
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                   : (WizardMode || PrintMiscellaneous)
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                   ? (const char*)ebuf
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                   : "library not loadable"),
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                  "PrintAssembly is disabled");
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   142
    return false;
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   143
  }
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   144
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   145
  // Success.
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  tty->print_cr("Loaded disassembler from %s", buf);
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   147
  return true;
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   148
}
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   149
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   150
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   151
class decode_env {
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   152
 private:
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   153
  nmethod*      _nm;
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   154
  CodeBlob*     _code;
16368
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   155
  CodeStrings   _strings;
347
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  outputStream* _output;
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   157
  address       _start, _end;
50528
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   158
  ptrdiff_t     _offset;
347
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   159
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   160
  char          _option_buf[512];
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   161
  char          _print_raw;
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   162
  bool          _print_pc;
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   163
  bool          _print_bytes;
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   164
  address       _cur_insn;
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   165
  int           _bytes_per_line; // arch-specific formatting option
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   166
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   167
  static bool match(const char* event, const char* tag) {
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   168
    size_t taglen = strlen(tag);
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   169
    if (strncmp(event, tag, taglen) != 0)
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   170
      return false;
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   171
    char delim = event[taglen];
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   172
    return delim == '\0' || delim == ' ' || delim == '/' || delim == '=';
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   173
  }
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parents:
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   174
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   175
  void collect_options(const char* p) {
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   176
    if (p == NULL || p[0] == '\0')  return;
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   177
    size_t opt_so_far = strlen(_option_buf);
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   178
    if (opt_so_far + 1 + strlen(p) + 1 > sizeof(_option_buf))  return;
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   179
    char* fillp = &_option_buf[opt_so_far];
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   180
    if (opt_so_far > 0) *fillp++ = ',';
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   181
    strcat(fillp, p);
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   182
    // replace white space by commas:
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parents:
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   183
    char* q = fillp;
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parents:
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   184
    while ((q = strpbrk(q, " \t\n")) != NULL)
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parents:
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   185
      *q++ = ',';
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parents:
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   186
    // Note that multiple PrintAssemblyOptions flags accumulate with \n,
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   187
    // which we want to be changed to a comma...
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   188
  }
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parents:
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   189
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   190
  void print_insn_labels();
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   191
  void print_insn_bytes(address pc0, address pc);
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   192
  void print_address(address value);
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parents:
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   193
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   194
 public:
50528
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aph
parents: 49754
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   195
  decode_env(CodeBlob* code, outputStream* output,
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   196
             CodeStrings c = CodeStrings(), ptrdiff_t offset = 0);
347
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   197
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   198
  address decode_instructions(address start, address end);
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parents:
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   199
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   200
  void start_insn(address pc) {
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parents:
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   201
    _cur_insn = pc;
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   202
    output()->bol();
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   203
    print_insn_labels();
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   204
  }
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   205
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   206
  void end_insn(address pc) {
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   207
    address pc0 = cur_insn();
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   208
    outputStream* st = output();
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parents:
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   209
    if (_print_bytes && pc > pc0)
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   210
      print_insn_bytes(pc0, pc);
4584
e2a449e8cc6f 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 347
diff changeset
   211
    if (_nm != NULL) {
347
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parents:
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   212
      _nm->print_code_comment_on(st, COMMENT_COLUMN, pc0, pc);
4584
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jrose
parents: 347
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   213
      // this calls reloc_string_for which calls oop::print_value_on
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parents: 347
diff changeset
   214
    }
13873
7b72e3873785 6879063: SA should use hsdis for disassembly
minqi
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   215
    // follow each complete insn by a nice newline
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   216
    st->cr();
347
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   217
  }
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   218
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   219
  address handle_event(const char* event, address arg);
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   220
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   221
  outputStream* output() { return _output; }
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   222
  address cur_insn() { return _cur_insn; }
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   223
  const char* options() { return _option_buf; }
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   224
};
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   225
50528
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aph
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   226
decode_env::decode_env(CodeBlob* code, outputStream* output, CodeStrings c,
1fd4844371bb 8204680: Disassembly does not display code strings in stubs
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   227
                       ptrdiff_t offset) {
26432
9b974e2eae27 8054292: code comments leak in fastdebug builds
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   228
  memset(this, 0, sizeof(*this)); // Beware, this zeroes bits of fields.
347
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   229
  _output = output ? output : tty;
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   230
  _code = code;
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   231
  if (code != NULL && code->is_nmethod())
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   232
    _nm = (nmethod*) code;
26432
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   233
  _strings.copy(c);
50528
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diff changeset
   234
  _offset = offset;
347
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   235
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   236
  // by default, output pc but not bytes:
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   237
  _print_pc       = true;
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   238
  _print_bytes    = false;
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parents:
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   239
  _bytes_per_line = Disassembler::pd_instruction_alignment();
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parents:
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   240
df859fcca515 6667042: PrintAssembly option does not work without special plugin
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   241
  // parse the global option string:
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parents:
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   242
  collect_options(Disassembler::pd_cpu_opts());
df859fcca515 6667042: PrintAssembly option does not work without special plugin
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parents:
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   243
  collect_options(PrintAssemblyOptions);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
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parents:
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   244
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
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   245
  if (strstr(options(), "hsdis-")) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   246
    if (strstr(options(), "hsdis-print-raw"))
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   247
      _print_raw = (strstr(options(), "xml") ? 2 : 1);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   248
    if (strstr(options(), "hsdis-print-pc"))
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   249
      _print_pc = !_print_pc;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   250
    if (strstr(options(), "hsdis-print-bytes"))
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   251
      _print_bytes = !_print_bytes;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   252
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   253
  if (strstr(options(), "help")) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   254
    tty->print_cr("PrintAssemblyOptions help:");
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   255
    tty->print_cr("  hsdis-print-raw       test plugin by requesting raw output");
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   256
    tty->print_cr("  hsdis-print-raw-xml   test plugin by requesting raw xml");
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   257
    tty->print_cr("  hsdis-print-pc        turn off PC printing (on by default)");
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   258
    tty->print_cr("  hsdis-print-bytes     turn on instruction byte output");
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   259
    tty->print_cr("combined options: %s", options());
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jrose
parents:
diff changeset
   260
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   261
}
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
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   262
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
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   263
address decode_env::handle_event(const char* event, address arg) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   264
  if (match(event, "insn")) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   265
    start_insn(arg);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   266
  } else if (match(event, "/insn")) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
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parents:
diff changeset
   267
    end_insn(arg);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   268
  } else if (match(event, "addr")) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   269
    if (arg != NULL) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   270
      print_address(arg);
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parents:
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   271
      return arg;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
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   272
    }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   273
  } else if (match(event, "mach")) {
10017
34ddce3361b7 7062856: Disassembler needs to be smarter about finding hsdis after 1.7 launcher changes
never
parents: 9630
diff changeset
   274
    static char buffer[32] = { 0, };
34ddce3361b7 7062856: Disassembler needs to be smarter about finding hsdis after 1.7 launcher changes
never
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diff changeset
   275
    if (strcmp(buffer, (const char*)arg) != 0 ||
34ddce3361b7 7062856: Disassembler needs to be smarter about finding hsdis after 1.7 launcher changes
never
parents: 9630
diff changeset
   276
        strlen((const char*)arg) > sizeof(buffer) - 1) {
34ddce3361b7 7062856: Disassembler needs to be smarter about finding hsdis after 1.7 launcher changes
never
parents: 9630
diff changeset
   277
      // Only print this when the mach changes
34ddce3361b7 7062856: Disassembler needs to be smarter about finding hsdis after 1.7 launcher changes
never
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diff changeset
   278
      strncpy(buffer, (const char*)arg, sizeof(buffer) - 1);
30281
b1608535e50f 8076475: Misuses of strncpy/strncat
stuefe
parents: 29362
diff changeset
   279
      buffer[sizeof(buffer) - 1] = '\0';
10017
34ddce3361b7 7062856: Disassembler needs to be smarter about finding hsdis after 1.7 launcher changes
never
parents: 9630
diff changeset
   280
      output()->print_cr("[Disassembling for mach='%s']", arg);
34ddce3361b7 7062856: Disassembler needs to be smarter about finding hsdis after 1.7 launcher changes
never
parents: 9630
diff changeset
   281
    }
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   282
  } else if (match(event, "format bytes-per-line")) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   283
    _bytes_per_line = (int) (intptr_t) arg;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   284
  } else {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   285
    // ignore unrecognized markup
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   286
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
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   287
  return NULL;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   288
}
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   289
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
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   290
// called by the disassembler to print out jump targets and data addresses
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   291
void decode_env::print_address(address adr) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
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   292
  outputStream* st = _output;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   293
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   294
  if (adr == NULL) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   295
    st->print("NULL");
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   296
    return;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   297
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   298
df859fcca515 6667042: PrintAssembly option does not work without special plugin
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parents:
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   299
  int small_num = (int)(intptr_t)adr;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   300
  if ((intptr_t)adr == (intptr_t)small_num
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   301
      && -1 <= small_num && small_num <= 9) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   302
    st->print("%d", small_num);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   303
    return;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   304
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   305
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   306
  if (Universe::is_fully_initialized()) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   307
    if (StubRoutines::contains(adr)) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   308
      StubCodeDesc* desc = StubCodeDesc::desc_for(adr);
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   309
      if (desc == NULL) {
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   310
        desc = StubCodeDesc::desc_for(adr + frame::pc_return_offset);
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   311
      }
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   312
      if (desc != NULL) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   313
        st->print("Stub::%s", desc->name());
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   314
        if (desc->begin() != adr) {
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   315
          st->print(INTX_FORMAT_W(+) " " PTR_FORMAT, adr - desc->begin(), p2i(adr));
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   316
        } else if (WizardMode) {
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   317
          st->print(" " PTR_FORMAT, p2i(adr));
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   318
        }
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   319
        return;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   320
      }
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   321
      st->print("Stub::<unknown> " PTR_FORMAT, p2i(adr));
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   322
      return;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   323
    }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   324
49754
ee93c1087584 8201362: Remove CollectedHeap::barrier_set()
pliden
parents: 49455
diff changeset
   325
    BarrierSet* bs = BarrierSet::barrier_set();
49455
848864ed9b17 8199604: Rename CardTableModRefBS to CardTableBarrierSet
eosterlund
parents: 49164
diff changeset
   326
    if (bs->is_a(BarrierSet::CardTableBarrierSet) &&
49164
7e958a8ebcd3 8195142: Refactor out card table from CardTableModRefBS to flatten the BarrierSet hierarchy
eosterlund
parents: 47687
diff changeset
   327
        adr == ci_card_table_address_as<address>()) {
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   328
      st->print("word_map_base");
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   329
      if (WizardMode) st->print(" " INTPTR_FORMAT, p2i(adr));
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   330
      return;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   331
    }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   332
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   333
35175
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   334
  if (_nm == NULL) {
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   335
    // Don't do this for native methods, as the function name will be printed in
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   336
    // nmethod::reloc_string_for().
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   337
    ResourceMark rm;
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   338
    const int buflen = 1024;
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   339
    char* buf = NEW_RESOURCE_ARRAY(char, buflen);
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   340
    int offset;
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   341
    if (os::dll_address_to_function_name(adr, buf, buflen, &offset)) {
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   342
      st->print(PTR_FORMAT " = %s",  p2i(adr), buf);
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   343
      if (offset != 0) {
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   344
        st->print("+%d", offset);
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   345
      }
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   346
      return;
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   347
    }
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   348
  }
382588e9104a 8144853: Print the names of callees in PrintAssembly/PrintInterpreter
iklam
parents: 33585
diff changeset
   349
9630
d6419e4395e3 6939861: JVM should handle more conversion operations
never
parents: 8921
diff changeset
   350
  // Fall through to a simple (hexadecimal) numeral.
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   351
  st->print(PTR_FORMAT, p2i(adr));
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   352
}
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   353
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   354
void decode_env::print_insn_labels() {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   355
  address p = cur_insn();
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   356
  outputStream* st = output();
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   357
  CodeBlob* cb = _code;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   358
  if (cb != NULL) {
4584
e2a449e8cc6f 6912062: disassembler plugin needs to produce symbolic information in product mode
jrose
parents: 347
diff changeset
   359
    cb->print_block_comment(st, p);
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   360
  }
50528
1fd4844371bb 8204680: Disassembly does not display code strings in stubs
aph
parents: 49754
diff changeset
   361
  _strings.print_block_comment(st, (intptr_t)(p - _start + _offset));
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   362
  if (_print_pc) {
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   363
    st->print("  " PTR_FORMAT ": ", p2i(p));
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   364
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   365
}
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   366
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   367
void decode_env::print_insn_bytes(address pc, address pc_limit) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   368
  outputStream* st = output();
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   369
  size_t incr = 1;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   370
  size_t perline = _bytes_per_line;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   371
  if ((size_t) Disassembler::pd_instruction_alignment() >= sizeof(int)
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   372
      && !((uintptr_t)pc % sizeof(int))
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   373
      && !((uintptr_t)pc_limit % sizeof(int))) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   374
    incr = sizeof(int);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   375
    if (perline % incr)  perline += incr - (perline % incr);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   376
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   377
  while (pc < pc_limit) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   378
    // tab to the desired column:
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   379
    st->move_to(COMMENT_COLUMN);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   380
    address pc0 = pc;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   381
    address pc1 = pc + perline;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   382
    if (pc1 > pc_limit)  pc1 = pc_limit;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   383
    for (; pc < pc1; pc += incr) {
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   384
      if (pc == pc0) {
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   385
        st->print(BYTES_COMMENT);
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   386
      } else if ((uint)(pc - pc0) % sizeof(int) == 0) {
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   387
        st->print(" ");         // put out a space on word boundaries
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   388
      }
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   389
      if (incr == sizeof(int)) {
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   390
        st->print("%08x", *(int*)pc);
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   391
      } else {
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   392
        st->print("%02x", (*pc)&0xFF);
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   393
      }
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   394
    }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   395
    st->cr();
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   396
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   397
}
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   398
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   399
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   400
static void* event_to_env(void* env_pv, const char* event, void* arg) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   401
  decode_env* env = (decode_env*) env_pv;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   402
  return env->handle_event(event, (address) arg);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   403
}
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   404
24424
2658d7834c6e 8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents: 22234
diff changeset
   405
ATTRIBUTE_PRINTF(2, 3)
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   406
static int printf_to_env(void* env_pv, const char* format, ...) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   407
  decode_env* env = (decode_env*) env_pv;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   408
  outputStream* st = env->output();
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   409
  size_t flen = strlen(format);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   410
  const char* raw = NULL;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   411
  if (flen == 0)  return 0;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   412
  if (flen == 1 && format[0] == '\n') { st->bol(); return 1; }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   413
  if (flen < 2 ||
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   414
      strchr(format, '%') == NULL) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   415
    raw = format;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   416
  } else if (format[0] == '%' && format[1] == '%' &&
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   417
             strchr(format+2, '%') == NULL) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   418
    // happens a lot on machines with names like %foo
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   419
    flen--;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   420
    raw = format+1;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   421
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   422
  if (raw != NULL) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   423
    st->print_raw(raw, (int) flen);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   424
    return (int) flen;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   425
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   426
  va_list ap;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   427
  va_start(ap, format);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   428
  julong cnt0 = st->count();
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   429
  st->vprint(format, ap);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   430
  julong cnt1 = st->count();
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   431
  va_end(ap);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   432
  return (int)(cnt1 - cnt0);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   433
}
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   434
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   435
address decode_env::decode_instructions(address start, address end) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   436
  _start = start; _end = end;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   437
6176
4d9030fe341f 6953477: Increase portability and flexibility of building Hotspot
bobv
parents: 5547
diff changeset
   438
  assert(((((intptr_t)start | (intptr_t)end) % Disassembler::pd_instruction_alignment()) == 0), "misaligned insn addr");
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   439
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   440
  const int show_bytes = false; // for disassembler debugging
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   441
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   442
  //_version = Disassembler::pd_cpu_version();
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   443
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   444
  if (!Disassembler::can_decode()) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   445
    return NULL;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   446
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   447
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   448
  // decode a series of instructions and return the end of the last instruction
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   449
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   450
  if (_print_raw) {
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   451
    // Print whatever the library wants to print, w/o fancy callbacks.
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   452
    // This is mainly for debugging the library itself.
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   453
    FILE* out = stdout;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   454
    FILE* xmlout = (_print_raw > 1 ? out : NULL);
14384
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   455
    return use_new_version ?
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   456
      (address)
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   457
      (*Disassembler::_decode_instructions_virtual)((uintptr_t)start, (uintptr_t)end,
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   458
                                                    start, end - start,
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   459
                                                    NULL, (void*) xmlout,
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   460
                                                    NULL, (void*) out,
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   461
                                                    options(), 0/*nice new line*/)
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   462
      :
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   463
      (address)
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   464
      (*Disassembler::_decode_instructions)(start, end,
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   465
                                            NULL, (void*) xmlout,
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   466
                                            NULL, (void*) out,
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   467
                                            options());
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   468
  }
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   469
14384
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   470
  return use_new_version ?
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   471
    (address)
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   472
    (*Disassembler::_decode_instructions_virtual)((uintptr_t)start, (uintptr_t)end,
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   473
                                                  start, end - start,
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   474
                                                  &event_to_env,  (void*) this,
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   475
                                                  &printf_to_env, (void*) this,
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   476
                                                  options(), 0/*nice new line*/)
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   477
    :
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   478
    (address)
801df8025142 8000489: older builds of hsdis don't work anymore after 6879063
minqi
parents: 13897
diff changeset
   479
    (*Disassembler::_decode_instructions)(start, end,
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   480
                                          &event_to_env,  (void*) this,
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   481
                                          &printf_to_env, (void*) this,
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   482
                                          options());
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   483
}
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   484
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   485
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   486
void Disassembler::decode(CodeBlob* cb, outputStream* st) {
35542
9dccb7f9f656 8071374: -XX:+PrintAssembly -XX:+PrintSignatureHandlers crash fastdebug VM with assert(limit == __null || limit <= nm->code_end()) in RelocIterator::initialize
vlivanov
parents: 33585
diff changeset
   487
  ttyLocker ttyl;
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   488
  if (!load_library())  return;
33160
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   489
  if (cb->is_nmethod()) {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   490
    decode((nmethod*)cb, st);
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   491
    return;
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   492
  }
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   493
  decode_env env(cb, st);
33160
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   494
  env.output()->print_cr("----------------------------------------------------------------------");
42650
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   495
  if (cb->is_aot()) {
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   496
    env.output()->print("A ");
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   497
    if (cb->is_compiled()) {
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   498
      CompiledMethod* cm = (CompiledMethod*)cb;
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   499
      env.output()->print("%d ",cm->compile_id());
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   500
      cm->method()->method_holder()->name()->print_symbol_on(env.output());
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   501
      env.output()->print(".");
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   502
      cm->method()->name()->print_symbol_on(env.output());
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   503
      cm->method()->signature()->print_symbol_on(env.output());
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   504
    } else {
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   505
      env.output()->print_cr("%s", cb->name());
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   506
    }
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   507
  } else {
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   508
    env.output()->print_cr("%s", cb->name());
1f304d0c888b 8171008: Integrate AOT compiler into JDK
kvn
parents: 40010
diff changeset
   509
  }
33198
dlong
parents: 33148 33160
diff changeset
   510
  env.output()->print_cr(" at  [" PTR_FORMAT ", " PTR_FORMAT "]  " JLONG_FORMAT " bytes", p2i(cb->code_begin()), p2i(cb->code_end()), ((jlong)(cb->code_end() - cb->code_begin())) * sizeof(unsigned char*));
6418
6671edbd230e 6978355: renaming for 6961697
twisti
parents: 6187
diff changeset
   511
  env.decode_instructions(cb->code_begin(), cb->code_end());
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   512
}
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   513
50528
1fd4844371bb 8204680: Disassembly does not display code strings in stubs
aph
parents: 49754
diff changeset
   514
void Disassembler::decode(address start, address end, outputStream* st, CodeStrings c,
1fd4844371bb 8204680: Disassembly does not display code strings in stubs
aph
parents: 49754
diff changeset
   515
                          ptrdiff_t offset) {
35542
9dccb7f9f656 8071374: -XX:+PrintAssembly -XX:+PrintSignatureHandlers crash fastdebug VM with assert(limit == __null || limit <= nm->code_end()) in RelocIterator::initialize
vlivanov
parents: 33585
diff changeset
   516
  ttyLocker ttyl;
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   517
  if (!load_library())  return;
50528
1fd4844371bb 8204680: Disassembly does not display code strings in stubs
aph
parents: 49754
diff changeset
   518
  decode_env env(CodeCache::find_blob_unsafe(start), st, c, offset);
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   519
  env.decode_instructions(start, end);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   520
}
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   521
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   522
void Disassembler::decode(nmethod* nm, outputStream* st) {
35542
9dccb7f9f656 8071374: -XX:+PrintAssembly -XX:+PrintSignatureHandlers crash fastdebug VM with assert(limit == __null || limit <= nm->code_end()) in RelocIterator::initialize
vlivanov
parents: 33585
diff changeset
   523
  ttyLocker ttyl;
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   524
  if (!load_library())  return;
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   525
  decode_env env(nm, st);
33160
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   526
  env.output()->print_cr("----------------------------------------------------------------------");
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   527
6418
6671edbd230e 6978355: renaming for 6961697
twisti
parents: 6187
diff changeset
   528
  unsigned char* p   = nm->code_begin();
6671edbd230e 6978355: renaming for 6961697
twisti
parents: 6187
diff changeset
   529
  unsigned char* end = nm->code_end();
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   530
33160
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   531
  nm->method()->method_holder()->name()->print_symbol_on(env.output());
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   532
  env.output()->print(".");
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   533
  nm->method()->name()->print_symbol_on(env.output());
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   534
  nm->method()->signature()->print_symbol_on(env.output());
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   535
#if INCLUDE_JVMCI
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   536
  {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   537
    char buffer[O_BUFLEN];
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   538
    char* jvmciName = nm->jvmci_installed_code_name(buffer, O_BUFLEN);
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   539
    if (jvmciName != NULL) {
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   540
      env.output()->print(" (%s)", jvmciName);
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   541
    }
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   542
  }
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   543
#endif
33198
dlong
parents: 33148 33160
diff changeset
   544
  env.output()->print_cr("  [" PTR_FORMAT ", " PTR_FORMAT "]  " JLONG_FORMAT " bytes", p2i(p), p2i(end), ((jlong)(end - p)));
33160
c59f1676d27e 8136421: JEP 243: Java-Level JVM Compiler Interface
twisti
parents: 31592
diff changeset
   545
7433
b418028612ad 6961690: load oops from constant table on SPARC
twisti
parents: 7397
diff changeset
   546
  // Print constant table.
b418028612ad 6961690: load oops from constant table on SPARC
twisti
parents: 7397
diff changeset
   547
  if (nm->consts_size() > 0) {
b418028612ad 6961690: load oops from constant table on SPARC
twisti
parents: 7397
diff changeset
   548
    nm->print_nmethod_labels(env.output(), nm->consts_begin());
b418028612ad 6961690: load oops from constant table on SPARC
twisti
parents: 7397
diff changeset
   549
    int offset = 0;
b418028612ad 6961690: load oops from constant table on SPARC
twisti
parents: 7397
diff changeset
   550
    for (address p = nm->consts_begin(); p < nm->consts_end(); p += 4, offset += 4) {
b418028612ad 6961690: load oops from constant table on SPARC
twisti
parents: 7397
diff changeset
   551
      if ((offset % 8) == 0) {
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   552
        env.output()->print_cr("  " PTR_FORMAT " (offset: %4d): " PTR32_FORMAT "   " PTR64_FORMAT, p2i(p), offset, *((int32_t*) p), *((int64_t*) p));
7433
b418028612ad 6961690: load oops from constant table on SPARC
twisti
parents: 7397
diff changeset
   553
      } else {
33148
68fa8b6c4340 8042893: compiler: PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC needs to be removed from source files
david
parents: 31592
diff changeset
   554
        env.output()->print_cr("  " PTR_FORMAT " (offset: %4d): " PTR32_FORMAT,                    p2i(p), offset, *((int32_t*) p));
7433
b418028612ad 6961690: load oops from constant table on SPARC
twisti
parents: 7397
diff changeset
   555
      }
b418028612ad 6961690: load oops from constant table on SPARC
twisti
parents: 7397
diff changeset
   556
    }
b418028612ad 6961690: load oops from constant table on SPARC
twisti
parents: 7397
diff changeset
   557
  }
b418028612ad 6961690: load oops from constant table on SPARC
twisti
parents: 7397
diff changeset
   558
347
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   559
  env.decode_instructions(p, end);
df859fcca515 6667042: PrintAssembly option does not work without special plugin
jrose
parents:
diff changeset
   560
}