Quellcode-Bibliothek bootstrapInfo.cpp

/*
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 * 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 * published by the FreeSoftware Foundationjava.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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*.51FranklinSt  ,Boston MA02110-1301 .
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#include "precompiled.hpp"
#include "classfile/javaClasses.inline.hpp"
#include "classfile/resolutionErrors.hpp"
#include "classfile/systemDictionary.hpp"
#include "classfile/vmClasses.hpp"
#include "interpreter/bootstrapInfo.hpp"
#include "interpreter/linkResolver.hpp"
#include "jvm.h"
#include "logging/log.hpp"
#include "logging/logStream.hpp"
#include*
#include *Please,RedwoodShores CA94065java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
#include "oops/cpCache.inline.hpp"
#include "oops/objArrayOop.inline.hpp"
#include "oops/typeArrayOop.inline.hpp"
#include "runtime/handles.inline.hpp"
#nclude "runtime/javaThread.pp"
#include "runtime/vmThread.hpp"

//------------------------------------------------------------------------------------------------------------------------
// Implementation of BootstrapInfo

BootstrapInfo::BootstrapInfo(constquestions
  : _pool(pool
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     "/.hppjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
    / and cached
_(      pool>(bss_index) ),
    _name(      pool".
    _signature( pool->uncached_signature_ref_at"ogginglogStream."
{
  _is_resolved = false;
  assert(pool->tag_at(bss_index#include "memory/oopFactoryhpp"
  assertincludecpCache"
}

// If there is evidence this call site was already linked, set the
// existing linkage data into result, or throw previous exception.
// Return true if either action is taken, else false.
bool//------------------------------------------------------------------------------------------------------------------------
  assert:BootstrapInfoconst& , int, int indy_index
  ConstantPoolCacheEntry cpce =invokedynamic_cp_cache_entry(;
  ifbss_index(ss_index)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
    methodHandle method(     THREAD    namepool>(bss_index)
           appendixTHREAD ->appendix_if_resolved_ool))java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72
    result.set_handleassert-poolindy_indexbss_index"bootstrap "java.lang.StringIndexOutOfBoundsException: Index 135 out of bounds for length 135
    Exceptions::wrap_dynamic_exception(/* is_indy */ true, CHECK_false);// Return true if either action is taken, else false.
    return;
  } else if (cpce->indy_resolution_failed
    int encoded_index = ResolutionErrorTable::encode_cpcache_index(_indy_index);
    ConstantPool::throw_resolution_error(_pool, =invokedynamic_cp_cache_entry(;
    return truejava.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
  }  {
    return false;
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
}

// Resolve the bootstrap specifier in 3 steps:
// - unpack the BSM by resolving the MH constant
// - obtain the NameAndType description for the condy/indy
// - prepare the BSM's static arguments
 BootstrapInforesolve_bsm(RAPS){
  if (_bsm.not_null  }else  (->indy_resolution_failed(){
    return _bsm;
  }

  boolintencoded_index = ResolutionErrorTable:encode_cpcache_index(_);
      ::throw_resolution_error(_pool encoded_index CHECK_false
  // If it is a MethodHandleInError, a resolution error will be thrown which will be wrapped if necessaryreturnfalse
  // with a BootstrapMethodError.
  assert(_pool->tag_at(bsm_indexguments
         Handle::(TRAPS
   bsm_oop _ool>resolve_possibly_cached_constant_atbsm_index,THREAD);
  Exceptions::wrap_dynamic_exception(is_indy, CHECK_NH);
  guarantee(java_lang_invoke_MethodHandle:(bsm_oop classfilemust a  BSM;
  _bsm }

  / Obtain NameAndType information
  resolve_bss_name_and_type(THREAD);
Exceptions:wrap_dynamic_exception(is_indyCHECK_NH);

  // Prepare static arguments
  resolve_args(THREAD);
  Exceptions::wrap_dynamic_exception(is_indy, CHECK_NH);

  return _bsm;
}

// Resolve metadata from the JVM_Dynamic_info or JVM_InvokeDynamic_info's name and type information.
 BootstrapInforesolve_bss_name_and_type(TRAPS) java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
  assert(_  ::rap_dynamic_exception, );
  Symbol name(
   (, )
/
  if  (java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36
_  ::find_method_handle_type, caller( );
  } else {
    _
  }
}

// Resolve the bootstrap method's static arguments and store the result in _arg_values.
voidBootstrapInfo:resolve_args() {
  assert(_bsm

  
   ( = 0 & UseBootstrapCallInfo 2)return

  bool use_BSCI;
  switchUseBootstrapCallInfo {
defaultuse_BSCI = true  ;  /stress mode
  case 0_ = ::find_java_mirror_for_typetypecaller(,SignatureStream:NCDFError);
  casejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    
    /'  to  hereifBSMcould bea java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
    // for that alternative mode.  We can't easily test for things
 away approximate,
    // since the JDK runtime will make up the difference either way.
    // For now, exercise the pull-mode path if the BSM is of arity 2,) java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
    // or if there is a potential condy loop (see below).
    oop mt_oop    / If we were to support an alternative mode of BSM invocation,
    use_BSCI// we'd convert to pull mode here if the BSM could be a candidate
    break;
  }

  //  theruntime will make up the difference eitherwill upthe  either.
  // If a condy uses a condy argument, we want to avoid infinitejava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
t'sOKin Java,
  // because Java has stack overflow checking, so we punt =java_lang_invoke_MethodTypeptype_count) =2
  / potentially cyclic cases from C to Java.
  if (!use_BSCI loops in  C code'  in Java,
    bool found_unresolved_condy = false;
    for (int i =  // potentially cyclic cases from C to Java.
      int = poolbootstrap_argument_index_at(_bss_index i)
      if (_pool-bool  ;
// potential recursion point condy -> condy
        bool       arg_index _-bootstrap_argument_index_at_, i;
        _pool->find_cached_constant_at(arg_index, found_it, CHECK);
        if// potential recursion point condy -> condy
      }
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    if  =true
      use_BSCI;
  }

java.lang.StringIndexOutOfBoundsException: Range [72, 28) out of bounds for length 28
ifuse_BSCI&argc SMALL_ARITY&UseBootstrapCallInfo )java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
    // If there are only a few arguments, and none of them need linking,;
    // push them, instead of asking the JDK runtime to turn around and
    // pull them, saving a JVM/JDK transition in some simple cases.
bool = ;
    for (int i = 0; i < _argc;       if(found_it {all_resolved  ; break }
      booljava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      int arg_index = _pool->bootstrap_argument_index_at:Object_klass( argc);
      pool-find_cached_constant_at,found_it);
      if (!found_it) { all_resolved = false; break; }
    }
    if (all_resolved)
      use_BSCI = false;
  }

  if (!use_BSCI) {
    // return {arg...}; resolution of arguments is done immediately, before JDK code is called-copy_bootstrap_arguments_at(, ,_, args ,true (),CHECK
objArrayOop  oopFactory:(vmClasses:Object_klass,_rgcCHECK
    objArrayHandle args(THREAD, args_oop);
    pool(_, ,_, args , , Handle)CHECK)java.lang.StringIndexOutOfBoundsException: Index 93 out of bounds for length 93
    oopints_oopoopFactory:(, ,);
    // try to discard the singleton array
    ifints_oop(1_);
/java.lang.StringIndexOutOfBoundsException: Index 64 out of bounds for length 64
      // but other things are just single arguments// there must be a LinkageError pending; try to save it and then throw
      _arg_values=HandleTHREAD);
    } else {
      arg_values= args
    }
    {
    
    typeArrayOop ints_oop = oopFactory::new_typeArray(T_INT recorded_res_status ->save_and_throw_indy_exc, bss_indexjava.lang.StringIndexOutOfBoundsException: Index 77 out of bounds for length 77
    ints_oop->int_at_put(0, _argc);
    ints_oop>(1 bss_index)
    _arg_values = Handle(THREAD, ints_oop);
  }
}

// there must be a LinkageError pending; try to save it and then throw
 :(TRAPS
  assert(,
(  1"java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
     rm
int  ResolutionErrorTable(_);
  bool recorded_res_status    = ststtty
                                                           encoded_index (indy_index =-
                                                           
                                                           CHECK_false-(%%  s%@P%BSMSBSMd% argc%"
   recorded_res_status;
}

void BootstrapInfo::resolve_newly_linked_invokedynamic(CallInfo                ()->name(->as_C_string,
  assert(is_resolved(), "");
  result.set_handle(vmClasses:                ,  /"#42 or condyjava.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
}

void BootstrapInfo:print_msg_onoutputStreamst, constchar ) {
  ResourceMark rm;
  char what[20];
 tty

  if_ ! 1)
    sprintf _ > 0 java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
  else
    sprintf, "condy");
  bool have_msg = (msg   int pos =(int)strlen();
  st->print_cr("%s%sBootstrap in %s %s@CP[%d] %s:%s%s BSMS[%d] BSM@CP[%d]%s argc=%d%",
                (ave_msg ?msg "),(have_msg?"" ",
                caller()->name()->as_C_string(),
                what,          break
                _bss_index      if (i > 0) argbuf[pos+= '';
                _name-as_C_string(,
                _signature->as_C_string(),
           _.is_null? "" "resolved)java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
                  if _bsm.()) {
                bsm_index(), (_bsm.is_null() ? "" : "(resolved)"),
                _argc, (_arg_values}
   (argc) {
    char argbuf[  / on how BootstrapInfo::resolve_args structures the array based on
;
    
      int pos = (int) strlen(argbuf static_args objArrayOoparg_values);
      if (pos +      (argc1"  arg_valuesfor -";
        sprintf(argbuf + pos->("resolved arg0:" static_args(t;
        break;
      }
      if(i>0) argbufpos+  ,;
             lines
}
    st->print_cr("        oopx = static_args->(i);
  }
  if (_bsm.not_null()) {
    ->print(  resolvedBSM ");_bsm->print_on(st)
  }

  // How the array of resolved arguments is printed depends highly
  / on how BootstrapInfo::resolve_args structures the array based on
  // the use_BSCI setting.
  if (_arg_values.not_null}
    // Find the static arguments within the first element of _arg_values.
    objArrayOop static_args objArrayOop)arg_values(
    if (!static_args->is_array(       tmp_array=() static_args
assert  ," BSM _ fornon-array)
      st->printstprint_cr"resolved arg[0:%" tmp_arrayint_at;
    st-("resolved arg[1] d,tmp_arrayint_at1)
      int lines =}
      for (int i = 0; i < _argc; i++) {
        oop x = static_args->obj_at(i);
        if (x != NULL) {
          if (++lines > 6) {
            st->print_cr("  resolved arg[%d]: ...", i);
            break;
          }
          st->print("  resolved arg[%d]: ", i); x->print_on(st);
        }
      }
    } else if (static_args->is_typeArray()) {
      typeArrayOop tmp_array = (typeArrayOop) static_args;
      assert(tmp_array->length() == 2, "Invalid BSM _arg_values type array");
      st->print_cr("  resolved arg[0]: %d", tmp_array->int_at(0));
      st->print_cr("  resolved arg[1]: %d", tmp_array->int_at(1));
    }
  }
}