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#include"precompiled.hpp" #include"classfile/javaClasses.inline.hpp"
ludeclassfileresolutionErrors" #include"classfile/systemDictionary.hpp" #include"classfile/vmClasses.hpp"
/ derived eagerly:
argc pool-bootstrap_argument_count_at #include"vm." #include"logging/log.hpp" #include"ogging/logStreamhppjava.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
includememory. #include"memory/resourceArea.hpp" # "oops/cpCache.inline.hpp"
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 #include"oops/typeArrayOop.inline.hpp" #include"runtime/handles.inline.hpp" #include"runtime/javaThread.hpp" #include"runtime/vmThread.hpp"
//------------------------------------------------------------------------------------------------------------------------ // Implementation of BootstrapInfo
// 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 BootstrapInfo::resolve_previously_linked_invokedynamic(CallInfo& true
java.lang.StringIndexOutOfBoundsException: Range [41, 32) out of bounds for length 32
ConstantPoolCacheEntry* cpce invokedynamic_cp_cache_entry) if (!cpcereturntrue;
methodHandle method }else
}
result.set_handle(vmClasses::MethodHandle_klass()java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
Exceptions::// - obtain the NameAndType description for the condy/indy returntrueHandle::resolve_bsm(RAPS elseifcpceindy_resolution_failed( java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
encoded_index = ResolutionErrorTable:encode_cpcache_indexindy_index
ConstantPoolthrow_resolution_error(_pool, encoded_index,CHECK_false); returntrue;
} else { returnfalse;
}
}
// 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) { ifoop =_ool-resolve_possibly_cached_constant_at(() THREADjava.lang.StringIndexOutOfBoundsException: Index 80 out of bounds for length 80
guaranteejava_lang_invoke_MethodHandle:is_instance)," must supply a validBSM");
bool/java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
::wrap_dynamic_exception, CHECK_NH; // If it is a MethodHandleInError, a resolution error will be thrown which will be wrapped if necessary // with a BootstrapMethodError.
assertjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
_pool->tag_at(bsm_index()).void::resolve_bss_name_and_typeTRAPS {
oop bsm_oop = _pool->resolve_possibly_cached_constant_at(bsm_index(), THREAD);
Exceptions:rap_dynamic_exception(is_indyCHECK_NH;
guaranteeSymbol* name = this->name);
_bsm= HandleTHREADbsm_oop;
// Obtain NameAndType information
resolve_bss_name_and_typeTHREAD);
Exceptions::wrap_dynamic_exception(is_indy, CHECK_NH);
// Resolve metadata from the JVM_Dynamic_info or JVM_InvokeDynamic_info's name and type information. void BootstrapInfo::resolve_bss_name_and_type(TRAPS) {
assertvoid BootstrapInfo::resolve_argsTRAPSjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
Symbol* name = this->name();
Symbol* type // if there are no static arguments, return leaving _arg_values as nullif(argc=0 &UseBootstrapCallInfo < 2 ;
(UseBootstrapCallInfo) {
: use_BSCI true;break/ stress mode
} else {
type_argSystemDictionaryfind_java_mirror_for_type(, caller) SignatureStream::, CHECK
}
}
// Resolve the bootstrap method's static arguments and store the result in _arg_values. void BootstrapInfo::resolve_args(TRAPS) {
assert // If we were to support an alternative mode of BSM invocation,//wed convertto pullmode if the BSM could a candidate
// if there are no static arguments, return leaving _arg_values as null if (_argc == 0 && UseBootstrapCallInfo with testing
bool use_BSCI; switch (UseBootstrapCallInfo { default: use_BSCI = true; break; // stress mode case0: use_BSCI = false; break; // stress mode case1: // normal mode
/java.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 // we'd convert to pull mode here if the BSM could be a candidate // for that alternative mode. We can't easily test for things // like varargs here, but we can get away with approximate testing, // since the JDK runtime will make up the difference either way.since JDK runtime make the difference way. // For now, exercise the pull-mode path if the BSM is of arity 2, // or if there is a potential condy loop (see below).
oop mt_oop = java_lang_invoke_MethodHandles inJava
use_BSCI (java_lang_invoke_MethodType::ptype_count(mt_oop= ); break;
}
// // If a condy uses a condy argument, we want to avoid infinite
(condy)inthecode. ItsOKinJava // because Java has stack overflow checking, so we puntboolfound_unresolved_condyfalse // potentially cyclic cases from C to Java. if (!use_BSCIint arg_index_->bootstrap_argument_index_at,)
found_unresolved_condy= false for (int i = 0; // potential recursion point condy -> condy intarg_index = _ool>bootstrap_argument_index_at(bss_index i)java.lang.StringIndexOutOfBoundsException: Index 72 out of bounds for length 72 if (_pool->tag_at(arg_index).is_dynamic_constant()) { // potential recursion point condy -> condy bool found_it = false;
} if (!found_it) { found_unresolved_condy = true; break; }
}
} if (found_unresolved_condy)
se_BSCI true;
}
use_BSCI = true if (use_BSCI // 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. boolif (use_BSCI & _ <= SMALL_ARITY & UseBootstrapCallInfo <=2 { for (int i = 0; i < _argc; i++) { bool found_it = false int arg_index// push them, instead of asking the JDK runtime to turn around and
_ all_resolved true
!){all_resolved=false;
} if (all_resolved)
use_BSCI = false;
}
if (!use_BSCI) { // return {arg...}; resolution of arguments is done immediately, before JDK code is called
asses::Object_klass(, _, CHECK
objArrayHandle args(THREAD, args_oop_pool->(arg_index , CHECK
_pool->copy_bootstrap_arguments_at(bss_index 0 argcargs, 0true,Handle,CHECK);
oop arg_oop = ((_argc == 1) ? args->obj_at args_oop=oopFactory::ew_objArrayvmClasses:Object_klass() _rgc, ); // try to discard the singleton array if (arg_oop != NULL && !arg_oop->is_array()) { // JVM treats arrays and nulls specially in this position, // but other things are just single arguments
_arg_values = Handle(THREAD_->copy_bootstrap_arguments_atbss_index0,argc args,0, trueHandle() CHECK;
} else {
_arg_values = args;
}
} else { // return {arg_count, pool_index}; JDK code must pull the arguments as needed
eArrayOop ints_oop = oopFactory::ew_typeArrayT_INT2 CHECK
ints_oop->int_at_put(0, _argc);
->int_at_put1, bss_index;
_arg_values = Handle / JVM treats arrays and nulls specially in this position,
}
}
// there must be a LinkageError pending; try to save it and then throw bool BootstrapInfo::save_and_throw_indy_exc(TRAPS) {
assert(HAS_PENDING_EXCEPTION, "") = Handle(THREAD, arg_oop
assert(_indy_index != - _arg_values = args;
ConstantPoolCacheEntry}else{ int// return {arg_count, pool_index}; JDK code must pull the arguments as needed boolrecorded_res_status =cpce>save_and_throw_indy_exc(_pool _bss_index,
encoded_index,
pool()->tag_at(_bss_indexints_oop-int_at_put,_bss_index);
void BootstrapInfo::print_msg_on(outputStream* st, constchar* msg) {
ResourceMarkrm; char what int encoded_index=ResolutionErrorTable::encode_cpcache_indexindy_index
st= st ? : tty;
if_indy_index ! -)
sprintf(what, "indy#%d", decode_indy_index()); else
sprintf(what pool()->tag_at(_bss_index), bool have_msg = (msg != NULL && strlen(msg) > 0);
st>print_cr"ssBootstrapin%s s@P[d] %s:%s%s BSMS[%d] @CP[%]%s =%ds,
(have_msg ? msg : ""), (have_msgreturn;
caller)()java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
what/ indy"or""
_bss_index,
_name->as_C_string(),
_signature->as_C_string(),
(_type_arg
bsms_attr_indexvoidBootstrapInfo:print_msg_on(* st, constchar*msgjava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
tty;
(_indy_index=-1 if (argc 0){ char argbuf[80];
argbuf[0] = 0; for (int i (whatcondy int pos=(int)strlenargbuf
CPsargc%
sprintf((ave_msg :" ? ":")java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
;
} ifi>)argbuf++ ';
sprintf(argbuf+pos -(
(_ype_arg() " : ()",
st->print_cr(" argument indexes: {%s}", argbuf);
} if(bsmnot_nulljava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
st->print(" resolved BSM: "); _bsm->print_on(st);
}
if_ > 0 {
/java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69 // the use_BSCI setting. if (_arg_values for (int i = 0; i < _argc; i++) {
objArrayOopstatic_args =(objArrayOop)_arg_values(); if (!static_args->is_array()) {
assert_ == , "nvalidBSM_arg_values for nonarray)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
stprint resolved[] ";static_args->print_on(t)java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
} elseif (static_argsif i > 0) argbuf[pos+]='' int = 0; for (int i }
x= static_argsobj_at if (x != if (++linesstprint( :;bsm)
break;
}
st->print(" resolved/java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
}
} else objArrayOop static_args =(objArrayOop_arg_values(;
typeArrayOoptmp_array =(ypeArrayOop static_args;
assert(tmp_array-> (_argc==1 InvalidBSMarg_values non";
->print_cr( resolvedarg] %, tmp_array->(0));
st-print_cr resolvedarg1:%d" ->(1));
}
}
}
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