--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/runtime/flags/jvmFlagConstraintList.cpp Mon Apr 23 10:59:39 2018 -0500
@@ -0,0 +1,368 @@
+/*
+ * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "classfile/stringTable.hpp"
+#include "classfile/symbolTable.hpp"
+#include "gc/shared/jvmFlagConstraintsGC.hpp"
+#include "runtime/arguments.hpp"
+#include "runtime/flags/jvmFlag.hpp"
+#include "runtime/flags/jvmFlagConstraintList.hpp"
+#include "runtime/flags/jvmFlagConstraintsCompiler.hpp"
+#include "runtime/flags/jvmFlagConstraintsRuntime.hpp"
+#include "runtime/os.hpp"
+#include "utilities/macros.hpp"
+#ifdef COMPILER1
+#include "c1/c1_globals.hpp"
+#endif
+#ifdef COMPILER2
+#include "opto/c2_globals.hpp"
+#endif
+
+class JVMFlagConstraint_bool : public JVMFlagConstraint {
+ JVMFlagConstraintFunc_bool _constraint;
+ const bool* _ptr;
+
+public:
+ // the "name" argument must be a string literal
+ JVMFlagConstraint_bool(const char* name, const bool* ptr,
+ JVMFlagConstraintFunc_bool func,
+ ConstraintType type) : JVMFlagConstraint(name, type), _constraint(func), _ptr(ptr) {}
+
+ JVMFlag::Error apply(bool verbose) {
+ bool value = *_ptr;
+ return _constraint(value, verbose);
+ }
+
+ JVMFlag::Error apply_bool(bool value, bool verbose) {
+ return _constraint(value, verbose);
+ }
+};
+
+class JVMFlagConstraint_int : public JVMFlagConstraint {
+ JVMFlagConstraintFunc_int _constraint;
+ const int* _ptr;
+
+public:
+ // the "name" argument must be a string literal
+ JVMFlagConstraint_int(const char* name, const int* ptr,
+ JVMFlagConstraintFunc_int func,
+ ConstraintType type) : JVMFlagConstraint(name, type), _constraint(func), _ptr(ptr) {}
+
+ JVMFlag::Error apply(bool verbose) {
+ int value = *_ptr;
+ return _constraint(value, verbose);
+ }
+
+ JVMFlag::Error apply_int(int value, bool verbose) {
+ return _constraint(value, verbose);
+ }
+};
+
+class JVMFlagConstraint_intx : public JVMFlagConstraint {
+ JVMFlagConstraintFunc_intx _constraint;
+ const intx* _ptr;
+
+public:
+ // the "name" argument must be a string literal
+ JVMFlagConstraint_intx(const char* name, const intx* ptr,
+ JVMFlagConstraintFunc_intx func,
+ ConstraintType type) : JVMFlagConstraint(name, type), _constraint(func), _ptr(ptr) {}
+
+ JVMFlag::Error apply(bool verbose) {
+ intx value = *_ptr;
+ return _constraint(value, verbose);
+ }
+
+ JVMFlag::Error apply_intx(intx value, bool verbose) {
+ return _constraint(value, verbose);
+ }
+};
+
+class JVMFlagConstraint_uint : public JVMFlagConstraint {
+ JVMFlagConstraintFunc_uint _constraint;
+ const uint* _ptr;
+
+public:
+ // the "name" argument must be a string literal
+ JVMFlagConstraint_uint(const char* name, const uint* ptr,
+ JVMFlagConstraintFunc_uint func,
+ ConstraintType type) : JVMFlagConstraint(name, type), _constraint(func), _ptr(ptr) {}
+
+ JVMFlag::Error apply(bool verbose) {
+ uint value = *_ptr;
+ return _constraint(value, verbose);
+ }
+
+ JVMFlag::Error apply_uint(uint value, bool verbose) {
+ return _constraint(value, verbose);
+ }
+};
+
+class JVMFlagConstraint_uintx : public JVMFlagConstraint {
+ JVMFlagConstraintFunc_uintx _constraint;
+ const uintx* _ptr;
+
+public:
+ // the "name" argument must be a string literal
+ JVMFlagConstraint_uintx(const char* name, const uintx* ptr,
+ JVMFlagConstraintFunc_uintx func,
+ ConstraintType type) : JVMFlagConstraint(name, type), _constraint(func), _ptr(ptr) {}
+
+ JVMFlag::Error apply(bool verbose) {
+ uintx value = *_ptr;
+ return _constraint(value, verbose);
+ }
+
+ JVMFlag::Error apply_uintx(uintx value, bool verbose) {
+ return _constraint(value, verbose);
+ }
+};
+
+class JVMFlagConstraint_uint64_t : public JVMFlagConstraint {
+ JVMFlagConstraintFunc_uint64_t _constraint;
+ const uint64_t* _ptr;
+
+public:
+ // the "name" argument must be a string literal
+ JVMFlagConstraint_uint64_t(const char* name, const uint64_t* ptr,
+ JVMFlagConstraintFunc_uint64_t func,
+ ConstraintType type) : JVMFlagConstraint(name, type), _constraint(func), _ptr(ptr) {}
+
+ JVMFlag::Error apply(bool verbose) {
+ uint64_t value = *_ptr;
+ return _constraint(value, verbose);
+ }
+
+ JVMFlag::Error apply_uint64_t(uint64_t value, bool verbose) {
+ return _constraint(value, verbose);
+ }
+};
+
+class JVMFlagConstraint_size_t : public JVMFlagConstraint {
+ JVMFlagConstraintFunc_size_t _constraint;
+ const size_t* _ptr;
+public:
+ // the "name" argument must be a string literal
+ JVMFlagConstraint_size_t(const char* name, const size_t* ptr,
+ JVMFlagConstraintFunc_size_t func,
+ ConstraintType type) : JVMFlagConstraint(name, type), _constraint(func), _ptr(ptr) {}
+
+ JVMFlag::Error apply(bool verbose) {
+ size_t value = *_ptr;
+ return _constraint(value, verbose);
+ }
+
+ JVMFlag::Error apply_size_t(size_t value, bool verbose) {
+ return _constraint(value, verbose);
+ }
+};
+
+class JVMFlagConstraint_double : public JVMFlagConstraint {
+ JVMFlagConstraintFunc_double _constraint;
+ const double* _ptr;
+
+public:
+ // the "name" argument must be a string literal
+ JVMFlagConstraint_double(const char* name, const double* ptr,
+ JVMFlagConstraintFunc_double func,
+ ConstraintType type) : JVMFlagConstraint(name, type), _constraint(func), _ptr(ptr) {}
+
+ JVMFlag::Error apply(bool verbose) {
+ double value = *_ptr;
+ return _constraint(value, verbose);
+ }
+
+ JVMFlag::Error apply_double(double value, bool verbose) {
+ return _constraint(value, verbose);
+ }
+};
+
+// No constraint emitting
+void emit_constraint_no(...) { /* NOP */ }
+
+// No constraint emitting if function argument is NOT provided
+void emit_constraint_bool(const char* /*name*/, const bool* /*value*/) { /* NOP */ }
+void emit_constraint_ccstr(const char* /*name*/, const ccstr* /*value*/) { /* NOP */ }
+void emit_constraint_ccstrlist(const char* /*name*/, const ccstrlist* /*value*/) { /* NOP */ }
+void emit_constraint_int(const char* /*name*/, const int* /*value*/) { /* NOP */ }
+void emit_constraint_intx(const char* /*name*/, const intx* /*value*/) { /* NOP */ }
+void emit_constraint_uint(const char* /*name*/, const uint* /*value*/) { /* NOP */ }
+void emit_constraint_uintx(const char* /*name*/, const uintx* /*value*/) { /* NOP */ }
+void emit_constraint_uint64_t(const char* /*name*/, const uint64_t* /*value*/) { /* NOP */ }
+void emit_constraint_size_t(const char* /*name*/, const size_t* /*value*/) { /* NOP */ }
+void emit_constraint_double(const char* /*name*/, const double* /*value*/) { /* NOP */ }
+
+// JVMFlagConstraint emitting code functions if function argument is provided
+void emit_constraint_bool(const char* name, const bool* ptr, JVMFlagConstraintFunc_bool func, JVMFlagConstraint::ConstraintType type) {
+ JVMFlagConstraintList::add(new JVMFlagConstraint_bool(name, ptr, func, type));
+}
+void emit_constraint_int(const char* name, const int* ptr, JVMFlagConstraintFunc_int func, JVMFlagConstraint::ConstraintType type) {
+ JVMFlagConstraintList::add(new JVMFlagConstraint_int(name, ptr, func, type));
+}
+void emit_constraint_intx(const char* name, const intx* ptr, JVMFlagConstraintFunc_intx func, JVMFlagConstraint::ConstraintType type) {
+ JVMFlagConstraintList::add(new JVMFlagConstraint_intx(name, ptr, func, type));
+}
+void emit_constraint_uint(const char* name, const uint* ptr, JVMFlagConstraintFunc_uint func, JVMFlagConstraint::ConstraintType type) {
+ JVMFlagConstraintList::add(new JVMFlagConstraint_uint(name, ptr, func, type));
+}
+void emit_constraint_uintx(const char* name, const uintx* ptr, JVMFlagConstraintFunc_uintx func, JVMFlagConstraint::ConstraintType type) {
+ JVMFlagConstraintList::add(new JVMFlagConstraint_uintx(name, ptr, func, type));
+}
+void emit_constraint_uint64_t(const char* name, const uint64_t* ptr, JVMFlagConstraintFunc_uint64_t func, JVMFlagConstraint::ConstraintType type) {
+ JVMFlagConstraintList::add(new JVMFlagConstraint_uint64_t(name, ptr, func, type));
+}
+void emit_constraint_size_t(const char* name, const size_t* ptr, JVMFlagConstraintFunc_size_t func, JVMFlagConstraint::ConstraintType type) {
+ JVMFlagConstraintList::add(new JVMFlagConstraint_size_t(name, ptr, func, type));
+}
+void emit_constraint_double(const char* name, const double* ptr, JVMFlagConstraintFunc_double func, JVMFlagConstraint::ConstraintType type) {
+ JVMFlagConstraintList::add(new JVMFlagConstraint_double(name, ptr, func, type));
+}
+
+// Generate code to call emit_constraint_xxx function
+#define EMIT_CONSTRAINT_PRODUCT_FLAG(type, name, value, doc) ); emit_constraint_##type(#name,&name
+#define EMIT_CONSTRAINT_COMMERCIAL_FLAG(type, name, value, doc) ); emit_constraint_##type(#name,&name
+#define EMIT_CONSTRAINT_DIAGNOSTIC_FLAG(type, name, value, doc) ); emit_constraint_##type(#name,&name
+#define EMIT_CONSTRAINT_EXPERIMENTAL_FLAG(type, name, value, doc) ); emit_constraint_##type(#name,&name
+#define EMIT_CONSTRAINT_MANAGEABLE_FLAG(type, name, value, doc) ); emit_constraint_##type(#name,&name
+#define EMIT_CONSTRAINT_PRODUCT_RW_FLAG(type, name, value, doc) ); emit_constraint_##type(#name,&name
+#define EMIT_CONSTRAINT_PD_PRODUCT_FLAG(type, name, doc) ); emit_constraint_##type(#name,&name
+#define EMIT_CONSTRAINT_PD_DIAGNOSTIC_FLAG(type, name, doc) ); emit_constraint_##type(#name,&name
+#ifndef PRODUCT
+#define EMIT_CONSTRAINT_DEVELOPER_FLAG(type, name, value, doc) ); emit_constraint_##type(#name,&name
+#define EMIT_CONSTRAINT_PD_DEVELOPER_FLAG(type, name, doc) ); emit_constraint_##type(#name,&name
+#define EMIT_CONSTRAINT_NOTPRODUCT_FLAG(type, name, value, doc) ); emit_constraint_##type(#name,&name
+#else
+#define EMIT_CONSTRAINT_DEVELOPER_FLAG(type, name, value, doc) ); emit_constraint_no(#name,&name
+#define EMIT_CONSTRAINT_PD_DEVELOPER_FLAG(type, name, doc) ); emit_constraint_no(#name,&name
+#define EMIT_CONSTRAINT_NOTPRODUCT_FLAG(type, name, value, doc) ); emit_constraint_no(#name,&name
+#endif
+#ifdef _LP64
+#define EMIT_CONSTRAINT_LP64_PRODUCT_FLAG(type, name, value, doc) ); emit_constraint_##type(#name,&name
+#else
+#define EMIT_CONSTRAINT_LP64_PRODUCT_FLAG(type, name, value, doc) ); emit_constraint_no(#name,&name
+#endif
+
+// Generate func argument to pass into emit_constraint_xxx functions
+#define EMIT_CONSTRAINT_CHECK(func, type) , func, JVMFlagConstraint::type
+
+// the "name" argument must be a string literal
+#define INITIAL_CONSTRAINTS_SIZE 72
+GrowableArray<JVMFlagConstraint*>* JVMFlagConstraintList::_constraints = NULL;
+JVMFlagConstraint::ConstraintType JVMFlagConstraintList::_validating_type = JVMFlagConstraint::AtParse;
+
+// Check the ranges of all flags that have them or print them out and exit if requested
+void JVMFlagConstraintList::init(void) {
+ _constraints = new (ResourceObj::C_HEAP, mtArguments) GrowableArray<JVMFlagConstraint*>(INITIAL_CONSTRAINTS_SIZE, true);
+
+ emit_constraint_no(NULL VM_FLAGS(EMIT_CONSTRAINT_DEVELOPER_FLAG,
+ EMIT_CONSTRAINT_PD_DEVELOPER_FLAG,
+ EMIT_CONSTRAINT_PRODUCT_FLAG,
+ EMIT_CONSTRAINT_PD_PRODUCT_FLAG,
+ EMIT_CONSTRAINT_DIAGNOSTIC_FLAG,
+ EMIT_CONSTRAINT_PD_DIAGNOSTIC_FLAG,
+ EMIT_CONSTRAINT_EXPERIMENTAL_FLAG,
+ EMIT_CONSTRAINT_NOTPRODUCT_FLAG,
+ EMIT_CONSTRAINT_MANAGEABLE_FLAG,
+ EMIT_CONSTRAINT_PRODUCT_RW_FLAG,
+ EMIT_CONSTRAINT_LP64_PRODUCT_FLAG,
+ IGNORE_RANGE,
+ EMIT_CONSTRAINT_CHECK,
+ IGNORE_WRITEABLE));
+
+ EMIT_CONSTRAINTS_FOR_GLOBALS_EXT
+
+ emit_constraint_no(NULL ARCH_FLAGS(EMIT_CONSTRAINT_DEVELOPER_FLAG,
+ EMIT_CONSTRAINT_PRODUCT_FLAG,
+ EMIT_CONSTRAINT_DIAGNOSTIC_FLAG,
+ EMIT_CONSTRAINT_EXPERIMENTAL_FLAG,
+ EMIT_CONSTRAINT_NOTPRODUCT_FLAG,
+ IGNORE_RANGE,
+ EMIT_CONSTRAINT_CHECK,
+ IGNORE_WRITEABLE));
+
+
+#ifdef COMPILER1
+ emit_constraint_no(NULL C1_FLAGS(EMIT_CONSTRAINT_DEVELOPER_FLAG,
+ EMIT_CONSTRAINT_PD_DEVELOPER_FLAG,
+ EMIT_CONSTRAINT_PRODUCT_FLAG,
+ EMIT_CONSTRAINT_PD_PRODUCT_FLAG,
+ EMIT_CONSTRAINT_DIAGNOSTIC_FLAG,
+ EMIT_CONSTRAINT_PD_DIAGNOSTIC_FLAG,
+ EMIT_CONSTRAINT_NOTPRODUCT_FLAG,
+ IGNORE_RANGE,
+ EMIT_CONSTRAINT_CHECK,
+ IGNORE_WRITEABLE));
+#endif // COMPILER1
+
+#ifdef COMPILER2
+ emit_constraint_no(NULL C2_FLAGS(EMIT_CONSTRAINT_DEVELOPER_FLAG,
+ EMIT_CONSTRAINT_PD_DEVELOPER_FLAG,
+ EMIT_CONSTRAINT_PRODUCT_FLAG,
+ EMIT_CONSTRAINT_PD_PRODUCT_FLAG,
+ EMIT_CONSTRAINT_DIAGNOSTIC_FLAG,
+ EMIT_CONSTRAINT_PD_DIAGNOSTIC_FLAG,
+ EMIT_CONSTRAINT_EXPERIMENTAL_FLAG,
+ EMIT_CONSTRAINT_NOTPRODUCT_FLAG,
+ IGNORE_RANGE,
+ EMIT_CONSTRAINT_CHECK,
+ IGNORE_WRITEABLE));
+#endif // COMPILER2
+}
+
+JVMFlagConstraint* JVMFlagConstraintList::find(const char* name) {
+ JVMFlagConstraint* found = NULL;
+ for (int i=0; i<length(); i++) {
+ JVMFlagConstraint* constraint = at(i);
+ if (strcmp(constraint->name(), name) == 0) {
+ found = constraint;
+ break;
+ }
+ }
+ return found;
+}
+
+// Find constraints by name and return only if found constraint's type is equal or lower than current validating type.
+JVMFlagConstraint* JVMFlagConstraintList::find_if_needs_check(const char* name) {
+ JVMFlagConstraint* found = NULL;
+ JVMFlagConstraint* constraint = find(name);
+ if (constraint && (constraint->type() <= _validating_type)) {
+ found = constraint;
+ }
+ return found;
+}
+
+// Check constraints for specific constraint type.
+bool JVMFlagConstraintList::check_constraints(JVMFlagConstraint::ConstraintType type) {
+ guarantee(type > _validating_type, "Constraint check is out of order.");
+ _validating_type = type;
+
+ bool status = true;
+ for (int i=0; i<length(); i++) {
+ JVMFlagConstraint* constraint = at(i);
+ if (type != constraint->type()) continue;
+ if (constraint->apply(true) != JVMFlag::SUCCESS) status = false;
+ }
+ return status;
+}