| /* |
| * Copyright (c) 2015, 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/referenceProcessor.hpp" |
| #include "runtime/arguments.hpp" |
| #include "runtime/commandLineFlagConstraintList.hpp" |
| #include "runtime/commandLineFlagConstraintsCompiler.hpp" |
| #include "runtime/commandLineFlagConstraintsGC.hpp" |
| #include "runtime/commandLineFlagConstraintsRuntime.hpp" |
| #include "runtime/os.hpp" |
| #include "utilities/macros.hpp" |
| |
| class CommandLineFlagConstraint_bool : public CommandLineFlagConstraint { |
| CommandLineFlagConstraintFunc_bool _constraint; |
| |
| public: |
| // the "name" argument must be a string literal |
| CommandLineFlagConstraint_bool(const char* name, |
| CommandLineFlagConstraintFunc_bool func, |
| ConstraintType type) : CommandLineFlagConstraint(name, type) { |
| _constraint=func; |
| } |
| |
| Flag::Error apply_bool(bool value, bool verbose) { |
| return _constraint(value, verbose); |
| } |
| }; |
| |
| class CommandLineFlagConstraint_int : public CommandLineFlagConstraint { |
| CommandLineFlagConstraintFunc_int _constraint; |
| |
| public: |
| // the "name" argument must be a string literal |
| CommandLineFlagConstraint_int(const char* name, |
| CommandLineFlagConstraintFunc_int func, |
| ConstraintType type) : CommandLineFlagConstraint(name, type) { |
| _constraint=func; |
| } |
| |
| Flag::Error apply_int(int value, bool verbose) { |
| return _constraint(value, verbose); |
| } |
| }; |
| |
| class CommandLineFlagConstraint_intx : public CommandLineFlagConstraint { |
| CommandLineFlagConstraintFunc_intx _constraint; |
| |
| public: |
| // the "name" argument must be a string literal |
| CommandLineFlagConstraint_intx(const char* name, |
| CommandLineFlagConstraintFunc_intx func, |
| ConstraintType type) : CommandLineFlagConstraint(name, type) { |
| _constraint=func; |
| } |
| |
| Flag::Error apply_intx(intx value, bool verbose) { |
| return _constraint(value, verbose); |
| } |
| }; |
| |
| class CommandLineFlagConstraint_uint : public CommandLineFlagConstraint { |
| CommandLineFlagConstraintFunc_uint _constraint; |
| |
| public: |
| // the "name" argument must be a string literal |
| CommandLineFlagConstraint_uint(const char* name, |
| CommandLineFlagConstraintFunc_uint func, |
| ConstraintType type) : CommandLineFlagConstraint(name, type) { |
| _constraint=func; |
| } |
| |
| Flag::Error apply_uint(uint value, bool verbose) { |
| return _constraint(value, verbose); |
| } |
| }; |
| |
| class CommandLineFlagConstraint_uintx : public CommandLineFlagConstraint { |
| CommandLineFlagConstraintFunc_uintx _constraint; |
| |
| public: |
| // the "name" argument must be a string literal |
| CommandLineFlagConstraint_uintx(const char* name, |
| CommandLineFlagConstraintFunc_uintx func, |
| ConstraintType type) : CommandLineFlagConstraint(name, type) { |
| _constraint=func; |
| } |
| |
| Flag::Error apply_uintx(uintx value, bool verbose) { |
| return _constraint(value, verbose); |
| } |
| }; |
| |
| class CommandLineFlagConstraint_uint64_t : public CommandLineFlagConstraint { |
| CommandLineFlagConstraintFunc_uint64_t _constraint; |
| |
| public: |
| // the "name" argument must be a string literal |
| CommandLineFlagConstraint_uint64_t(const char* name, |
| CommandLineFlagConstraintFunc_uint64_t func, |
| ConstraintType type) : CommandLineFlagConstraint(name, type) { |
| _constraint=func; |
| } |
| |
| Flag::Error apply_uint64_t(uint64_t value, bool verbose) { |
| return _constraint(value, verbose); |
| } |
| }; |
| |
| class CommandLineFlagConstraint_size_t : public CommandLineFlagConstraint { |
| CommandLineFlagConstraintFunc_size_t _constraint; |
| |
| public: |
| // the "name" argument must be a string literal |
| CommandLineFlagConstraint_size_t(const char* name, |
| CommandLineFlagConstraintFunc_size_t func, |
| ConstraintType type) : CommandLineFlagConstraint(name, type) { |
| _constraint=func; |
| } |
| |
| Flag::Error apply_size_t(size_t value, bool verbose) { |
| return _constraint(value, verbose); |
| } |
| }; |
| |
| class CommandLineFlagConstraint_double : public CommandLineFlagConstraint { |
| CommandLineFlagConstraintFunc_double _constraint; |
| |
| public: |
| // the "name" argument must be a string literal |
| CommandLineFlagConstraint_double(const char* name, |
| CommandLineFlagConstraintFunc_double func, |
| ConstraintType type) : CommandLineFlagConstraint(name, type) { |
| _constraint=func; |
| } |
| |
| Flag::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*/) { /* NOP */ } |
| void emit_constraint_ccstr(const char* /*name*/) { /* NOP */ } |
| void emit_constraint_ccstrlist(const char* /*name*/) { /* NOP */ } |
| void emit_constraint_int(const char* /*name*/) { /* NOP */ } |
| void emit_constraint_intx(const char* /*name*/) { /* NOP */ } |
| void emit_constraint_uint(const char* /*name*/) { /* NOP */ } |
| void emit_constraint_uintx(const char* /*name*/) { /* NOP */ } |
| void emit_constraint_uint64_t(const char* /*name*/) { /* NOP */ } |
| void emit_constraint_size_t(const char* /*name*/) { /* NOP */ } |
| void emit_constraint_double(const char* /*name*/) { /* NOP */ } |
| |
| // CommandLineFlagConstraint emitting code functions if function argument is provided |
| void emit_constraint_bool(const char* name, CommandLineFlagConstraintFunc_bool func, CommandLineFlagConstraint::ConstraintType type) { |
| CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_bool(name, func, type)); |
| } |
| void emit_constraint_int(const char* name, CommandLineFlagConstraintFunc_int func, CommandLineFlagConstraint::ConstraintType type) { |
| CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_int(name, func, type)); |
| } |
| void emit_constraint_intx(const char* name, CommandLineFlagConstraintFunc_intx func, CommandLineFlagConstraint::ConstraintType type) { |
| CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_intx(name, func, type)); |
| } |
| void emit_constraint_uint(const char* name, CommandLineFlagConstraintFunc_uint func, CommandLineFlagConstraint::ConstraintType type) { |
| CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_uint(name, func, type)); |
| } |
| void emit_constraint_uintx(const char* name, CommandLineFlagConstraintFunc_uintx func, CommandLineFlagConstraint::ConstraintType type) { |
| CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_uintx(name, func, type)); |
| } |
| void emit_constraint_uint64_t(const char* name, CommandLineFlagConstraintFunc_uint64_t func, CommandLineFlagConstraint::ConstraintType type) { |
| CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_uint64_t(name, func, type)); |
| } |
| void emit_constraint_size_t(const char* name, CommandLineFlagConstraintFunc_size_t func, CommandLineFlagConstraint::ConstraintType type) { |
| CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_size_t(name, func, type)); |
| } |
| void emit_constraint_double(const char* name, CommandLineFlagConstraintFunc_double func, CommandLineFlagConstraint::ConstraintType type) { |
| CommandLineFlagConstraintList::add(new CommandLineFlagConstraint_double(name, func, type)); |
| } |
| |
| // Generate code to call emit_constraint_xxx function |
| #define EMIT_CONSTRAINT_PRODUCT_FLAG(type, name, value, doc) ); emit_constraint_##type(#name |
| #define EMIT_CONSTRAINT_COMMERCIAL_FLAG(type, name, value, doc) ); emit_constraint_##type(#name |
| #define EMIT_CONSTRAINT_DIAGNOSTIC_FLAG(type, name, value, doc) ); emit_constraint_##type(#name |
| #define EMIT_CONSTRAINT_EXPERIMENTAL_FLAG(type, name, value, doc) ); emit_constraint_##type(#name |
| #define EMIT_CONSTRAINT_MANAGEABLE_FLAG(type, name, value, doc) ); emit_constraint_##type(#name |
| #define EMIT_CONSTRAINT_PRODUCT_RW_FLAG(type, name, value, doc) ); emit_constraint_##type(#name |
| #define EMIT_CONSTRAINT_PD_PRODUCT_FLAG(type, name, doc) ); emit_constraint_##type(#name |
| #define EMIT_CONSTRAINT_DEVELOPER_FLAG(type, name, value, doc) ); emit_constraint_##type(#name |
| #define EMIT_CONSTRAINT_PD_DEVELOPER_FLAG(type, name, doc) ); emit_constraint_##type(#name |
| #define EMIT_CONSTRAINT_NOTPRODUCT_FLAG(type, name, value, doc) ); emit_constraint_##type(#name |
| #define EMIT_CONSTRAINT_LP64_PRODUCT_FLAG(type, name, value, doc) ); emit_constraint_##type(#name |
| |
| // Generate func argument to pass into emit_constraint_xxx functions |
| #define EMIT_CONSTRAINT_CHECK(func, type) , func, CommandLineFlagConstraint::type |
| |
| // the "name" argument must be a string literal |
| #define INITIAL_CONSTRAINTS_SIZE 72 |
| GrowableArray<CommandLineFlagConstraint*>* CommandLineFlagConstraintList::_constraints = NULL; |
| CommandLineFlagConstraint::ConstraintType CommandLineFlagConstraintList::_validating_type = CommandLineFlagConstraint::AtParse; |
| |
| // Check the ranges of all flags that have them or print them out and exit if requested |
| void CommandLineFlagConstraintList::init(void) { |
| _constraints = new (ResourceObj::C_HEAP, mtInternal) GrowableArray<CommandLineFlagConstraint*>(INITIAL_CONSTRAINTS_SIZE, true); |
| |
| emit_constraint_no(NULL RUNTIME_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_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)); |
| |
| 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)); |
| |
| |
| #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_NOTPRODUCT_FLAG, |
| IGNORE_RANGE, |
| EMIT_CONSTRAINT_CHECK)); |
| #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_EXPERIMENTAL_FLAG, |
| EMIT_CONSTRAINT_NOTPRODUCT_FLAG, |
| IGNORE_RANGE, |
| EMIT_CONSTRAINT_CHECK)); |
| #endif // COMPILER2 |
| |
| #if INCLUDE_ALL_GCS |
| emit_constraint_no(NULL G1_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_EXPERIMENTAL_FLAG, |
| EMIT_CONSTRAINT_NOTPRODUCT_FLAG, |
| EMIT_CONSTRAINT_MANAGEABLE_FLAG, |
| EMIT_CONSTRAINT_PRODUCT_RW_FLAG, |
| IGNORE_RANGE, |
| EMIT_CONSTRAINT_CHECK)); |
| #endif // INCLUDE_ALL_GCS |
| } |
| |
| // Find constraints by name and return only if found constraint's type is equal or lower than current validating type. |
| CommandLineFlagConstraint* CommandLineFlagConstraintList::find_if_needs_check(const char* name) { |
| CommandLineFlagConstraint* found = NULL; |
| for (int i=0; i<length(); i++) { |
| CommandLineFlagConstraint* constraint = at(i); |
| if ((strcmp(constraint->name(), name) == 0) && |
| (constraint->type() <= _validating_type)) { |
| found = constraint; |
| break; |
| } |
| } |
| return found; |
| } |
| |
| // Check constraints for specific constraint type. |
| bool CommandLineFlagConstraintList::check_constraints(CommandLineFlagConstraint::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++) { |
| CommandLineFlagConstraint* constraint = at(i); |
| if (type != constraint->type()) continue; |
| const char* name = constraint->name(); |
| Flag* flag = Flag::find_flag(name, strlen(name), true, true); |
| // We must check for NULL here as lp64_product flags on 32 bit architecture |
| // can generate constraint check (despite that they are declared as constants), |
| // but they will not be returned by Flag::find_flag() |
| if (flag != NULL) { |
| if (flag->is_bool()) { |
| bool value = flag->get_bool(); |
| if (constraint->apply_bool(value, true) != Flag::SUCCESS) status = false; |
| } else if (flag->is_int()) { |
| int value = flag->get_int(); |
| if (constraint->apply_int(value, true) != Flag::SUCCESS) status = false; |
| } else if (flag->is_uint()) { |
| uint value = flag->get_uint(); |
| if (constraint->apply_uint(value, true) != Flag::SUCCESS) status = false; |
| } else if (flag->is_intx()) { |
| intx value = flag->get_intx(); |
| if (constraint->apply_intx(value, true) != Flag::SUCCESS) status = false; |
| } else if (flag->is_uintx()) { |
| uintx value = flag->get_uintx(); |
| if (constraint->apply_uintx(value, true) != Flag::SUCCESS) status = false; |
| } else if (flag->is_uint64_t()) { |
| uint64_t value = flag->get_uint64_t(); |
| if (constraint->apply_uint64_t(value, true) != Flag::SUCCESS) status = false; |
| } else if (flag->is_size_t()) { |
| size_t value = flag->get_size_t(); |
| if (constraint->apply_size_t(value, true) != Flag::SUCCESS) status = false; |
| } else if (flag->is_double()) { |
| double value = flag->get_double(); |
| if (constraint->apply_double(value, true) != Flag::SUCCESS) status = false; |
| } |
| } |
| } |
| return status; |
| } |