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src/share/vm/runtime/sharedRuntime.cpp
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*** 53,62 ****
--- 53,63 ----
#include "runtime/biasedLocking.hpp"
#include "runtime/compilationPolicy.hpp"
#include "runtime/handles.inline.hpp"
#include "runtime/init.hpp"
#include "runtime/interfaceSupport.hpp"
+ #include "runtime/java.hpp"
#include "runtime/javaCalls.hpp"
#include "runtime/sharedRuntime.hpp"
#include "runtime/stubRoutines.hpp"
#include "runtime/vframe.hpp"
#include "runtime/vframeArray.hpp"
*** 1931,1978 ****
Klass* target_klass = vfst.method()->constants()->klass_at(
cc.index(), thread);
return generate_class_cast_message(caster_klass, target_klass);
}
! char* SharedRuntime::generate_class_cast_message(
! Klass* caster_klass, Klass* target_klass) {
! const char* caster_klass_name = caster_klass->external_name();
! Klass* c_klass = caster_klass->is_objArray_klass() ?
! ObjArrayKlass::cast(caster_klass)->bottom_klass() : caster_klass;
! ModuleEntry* caster_module;
! const char* caster_module_name;
! if (c_klass->is_instance_klass()) {
! caster_module = InstanceKlass::cast(c_klass)->module();
! caster_module_name = caster_module->is_named() ?
! caster_module->name()->as_C_string() : UNNAMED_MODULE;
! } else {
! caster_module_name = "java.base";
! }
! const char* target_klass_name = target_klass->external_name();
! Klass* t_klass = target_klass->is_objArray_klass() ?
! ObjArrayKlass::cast(target_klass)->bottom_klass() : target_klass;
! ModuleEntry* target_module;
! const char* target_module_name;
! if (t_klass->is_instance_klass()) {
! target_module = InstanceKlass::cast(t_klass)->module();
! target_module_name = target_module->is_named() ?
! target_module->name()->as_C_string(): UNNAMED_MODULE;
} else {
! target_module_name = "java.base";
}
! size_t msglen = strlen(caster_klass_name) + strlen(caster_module_name) +
! strlen(target_klass_name) + strlen(target_module_name) + 50;
char* message = NEW_RESOURCE_ARRAY(char, msglen);
if (NULL == message) {
// Shouldn't happen, but don't cause even more problems if it does
! message = const_cast<char*>(caster_klass_name);
} else {
! jio_snprintf(message, msglen, "%s (in module: %s) cannot be cast to %s (in module: %s)",
! caster_klass_name, caster_module_name, target_klass_name, target_module_name);
}
return message;
}
JRT_LEAF(void, SharedRuntime::reguard_yellow_pages())
--- 1932,2037 ----
Klass* target_klass = vfst.method()->constants()->klass_at(
cc.index(), thread);
return generate_class_cast_message(caster_klass, target_klass);
}
! // The caller of class_loader_and_module_name() (or one of its callers)
! // must use a ResourceMark in order to correctly free the result.
! const char* class_loader_and_module_name(Klass* klass) {
! const char* delim = "/";
! int delim_len = strlen(delim);
!
! const char* fqn = klass->external_name();
! // Length of message to return; always include FQN
! size_t msglen = strlen(fqn) + 1;
!
! bool has_cl_name = false;
! bool has_mod_name = false;
! bool has_version = false;
!
! // Use class loader name, if exists and not builtin
! const char* class_loader_name = "";
! ClassLoaderData* cld = klass->class_loader_data();
! if (cld == NULL || !cld->is_builtin_class_loader_data()) {
! // If not builtin, look for internal name
! oop loader = klass->class_loader();
! if (loader != NULL) {
! oopDesc* class_loader = java_lang_ClassLoader::name(loader);
! if (class_loader != NULL && class_loader->klass() != NULL) {
! class_loader_name = class_loader->klass()->internal_name();
! if (class_loader_name != NULL && class_loader_name[0] != '\0') {
! has_cl_name = true;
! msglen += strlen(class_loader_name) + delim_len;
! }
! }
! }
! }
! const char* module_name = "";
! const char* version = "";
! Klass* bottom_klass = klass->is_objArray_klass() ?
! ObjArrayKlass::cast(klass)->bottom_klass() : klass;
! if (bottom_klass->is_instance_klass()) {
! ModuleEntry* module = InstanceKlass::cast(bottom_klass)->module();
! // Use module name, if exists
! if (module->is_named()) {
! has_mod_name = true;
! module_name = module->name()->as_C_string();
! msglen += strlen(module_name);
! // Use version if exists and is not a jdk module
! if (module->is_non_jdk_module() && module->version() != NULL) {
! has_version = true;
! version = module->version()->as_C_string();
! msglen += strlen("@") + strlen(version);
! }
! }
} else {
! // klass is an array of primitives, so its module is java.base
! module_name = "java.base";
}
! if (has_cl_name || has_mod_name) {
! msglen += delim_len;
! }
!
! char* message = NEW_RESOURCE_ARRAY(char, msglen);
!
! // Just return the FQN if error in allocating string
! if (message == NULL) {
! return fqn;
! }
!
! jio_snprintf(message, msglen, "%s%s%s%s%s%s%s",
! class_loader_name,
! (has_cl_name) ? delim : "",
! (has_mod_name) ? module_name : "",
! (has_version) ? "@" : "",
! (has_version) ? version : "",
! (has_cl_name || has_mod_name) ? delim : "",
! fqn);
! return message;
! }
!
! char* SharedRuntime::generate_class_cast_message(
! Klass* caster_klass, Klass* target_klass) {
!
! const char* caster_name = class_loader_and_module_name(caster_klass);
!
! const char* target_name = class_loader_and_module_name(target_klass);
!
! size_t msglen = strlen(caster_name) + strlen(" cannot be cast to ") + strlen(target_name) + 1;
char* message = NEW_RESOURCE_ARRAY(char, msglen);
if (NULL == message) {
// Shouldn't happen, but don't cause even more problems if it does
! message = const_cast<char*>(caster_klass->external_name());
} else {
! jio_snprintf(message,
! msglen,
! "%s cannot be cast to %s",
! caster_name,
! target_name);
}
return message;
}
JRT_LEAF(void, SharedRuntime::reguard_yellow_pages())
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