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src/share/vm/runtime/commandLineFlagConstraintList.hpp
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@@ -47,17 +47,31 @@
typedef Flag::Error (*CommandLineFlagConstraintFunc_uint64_t)(bool verbose, uint64_t* value);
typedef Flag::Error (*CommandLineFlagConstraintFunc_size_t)(bool verbose, size_t* value);
typedef Flag::Error (*CommandLineFlagConstraintFunc_double)(bool verbose, double* value);
class CommandLineFlagConstraint : public CHeapObj<mtInternal> {
+public:
+ // During VM initialization, constraint validation will be done order of ConstraintType.
+ enum ConstraintType {
+ // Will be validated during argument processing (Arguments::parse_argument).
+ AtParse = 0,
+ // Will be validated by CommandLineFlagConstraintList::check_constraints(AfterErgo).
+ AfterErgo = 1,
+ // Will be validated by CommandLineFlagConstraintList::check_constraints(AfterMemoryInit).
+ AfterMemoryInit = 2
+ };
+
private:
const char* _name;
+ ConstraintType _validate_type;
+
public:
// the "name" argument must be a string literal
- CommandLineFlagConstraint(const char* name) { _name=name; };
+ CommandLineFlagConstraint(const char* name, ConstraintType type) { _name=name; _validate_type=type; };
~CommandLineFlagConstraint() {};
- const char* name() { return _name; }
+ const char* name() const { return _name; }
+ ConstraintType type() const { return _validate_type; }
virtual Flag::Error apply_bool(bool* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; };
virtual Flag::Error apply_int(int* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; };
virtual Flag::Error apply_intx(intx* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; };
virtual Flag::Error apply_uint(uint* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; };
virtual Flag::Error apply_uintx(uintx* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; };
@@ -67,14 +81,19 @@
};
class CommandLineFlagConstraintList : public AllStatic {
private:
static GrowableArray<CommandLineFlagConstraint*>* _constraints;
+ // Latest constraint validation type.
+ static CommandLineFlagConstraint::ConstraintType _validating_type;
public:
static void init();
static int length() { return (_constraints != NULL) ? _constraints->length() : 0; }
static CommandLineFlagConstraint* at(int i) { return (_constraints != NULL) ? _constraints->at(i) : NULL; }
- static CommandLineFlagConstraint* find(const char* name);
+ static CommandLineFlagConstraint* find_if_needs_check(const char* name);
static void add(CommandLineFlagConstraint* constraint) { _constraints->append(constraint); }
+ // True if 'AfterErgo' or later constraint functions are validated.
+ static bool validated_after_ergo() { return _validating_type >= CommandLineFlagConstraint::AfterErgo; };
+ static bool check_constraints(CommandLineFlagConstraint::ConstraintType type);
};
#endif /* SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTLIST_HPP */
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