128 return JVMFlag::VIOLATES_CONSTRAINT;
129 }
130
131 return JVMFlag::SUCCESS;
132 }
133
134 JVMFlag::Error CompileThresholdConstraintFunc(intx value, bool verbose) {
135 if (value < 0 || value > INT_MAX >> InvocationCounter::count_shift) {
136 JVMFlag::printError(verbose,
137 "CompileThreshold (" INTX_FORMAT ") "
138 "must be between 0 and %d\n",
139 value,
140 INT_MAX >> InvocationCounter::count_shift);
141 return JVMFlag::VIOLATES_CONSTRAINT;
142 }
143
144 return JVMFlag::SUCCESS;
145 }
146
147 JVMFlag::Error OnStackReplacePercentageConstraintFunc(intx value, bool verbose) {
148 int backward_branch_limit;
149 if (ProfileInterpreter) {
150 if (OnStackReplacePercentage < InterpreterProfilePercentage) {
151 JVMFlag::printError(verbose,
152 "OnStackReplacePercentage (" INTX_FORMAT ") must be "
153 "larger than InterpreterProfilePercentage (" INTX_FORMAT ")\n",
154 OnStackReplacePercentage, InterpreterProfilePercentage);
155 return JVMFlag::VIOLATES_CONSTRAINT;
156 }
157
158 backward_branch_limit = ((CompileThreshold * (OnStackReplacePercentage - InterpreterProfilePercentage)) / 100)
159 << InvocationCounter::count_shift;
160
161 if (backward_branch_limit < 0) {
162 JVMFlag::printError(verbose,
163 "CompileThreshold * (InterpreterProfilePercentage - OnStackReplacePercentage) / 100 = "
164 INTX_FORMAT " "
165 "must be between 0 and %d, try changing "
166 "CompileThreshold, InterpreterProfilePercentage, and/or OnStackReplacePercentage\n",
167 (CompileThreshold * (OnStackReplacePercentage - InterpreterProfilePercentage)) / 100,
168 INT_MAX >> InvocationCounter::count_shift);
169 return JVMFlag::VIOLATES_CONSTRAINT;
170 }
171 } else {
172 if (OnStackReplacePercentage < 0 ) {
173 JVMFlag::printError(verbose,
174 "OnStackReplacePercentage (" INTX_FORMAT ") must be "
175 "non-negative\n", OnStackReplacePercentage);
176 return JVMFlag::VIOLATES_CONSTRAINT;
177 }
178
179 backward_branch_limit = ((CompileThreshold * OnStackReplacePercentage) / 100)
180 << InvocationCounter::count_shift;
181
182 if (backward_branch_limit < 0) {
183 JVMFlag::printError(verbose,
184 "CompileThreshold * OnStackReplacePercentage / 100 = " INTX_FORMAT " "
185 "must be between 0 and %d, try changing "
186 "CompileThreshold and/or OnStackReplacePercentage\n",
187 (CompileThreshold * OnStackReplacePercentage) / 100,
188 INT_MAX >> InvocationCounter::count_shift);
189 return JVMFlag::VIOLATES_CONSTRAINT;
190 }
191 }
192 return JVMFlag::SUCCESS;
193 }
194
195 JVMFlag::Error CodeCacheSegmentSizeConstraintFunc(uintx value, bool verbose) {
196 if (CodeCacheSegmentSize < (uintx)CodeEntryAlignment) {
197 JVMFlag::printError(verbose,
198 "CodeCacheSegmentSize (" UINTX_FORMAT ") must be "
199 "larger than or equal to CodeEntryAlignment (" INTX_FORMAT ") "
200 "to align entry points\n",
201 CodeCacheSegmentSize, CodeEntryAlignment);
202 return JVMFlag::VIOLATES_CONSTRAINT;
203 }
204
205 if (CodeCacheSegmentSize < sizeof(jdouble)) {
206 JVMFlag::printError(verbose,
207 "CodeCacheSegmentSize (" UINTX_FORMAT ") must be "
208 "at least " SIZE_FORMAT " to align constants\n",
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128 return JVMFlag::VIOLATES_CONSTRAINT;
129 }
130
131 return JVMFlag::SUCCESS;
132 }
133
134 JVMFlag::Error CompileThresholdConstraintFunc(intx value, bool verbose) {
135 if (value < 0 || value > INT_MAX >> InvocationCounter::count_shift) {
136 JVMFlag::printError(verbose,
137 "CompileThreshold (" INTX_FORMAT ") "
138 "must be between 0 and %d\n",
139 value,
140 INT_MAX >> InvocationCounter::count_shift);
141 return JVMFlag::VIOLATES_CONSTRAINT;
142 }
143
144 return JVMFlag::SUCCESS;
145 }
146
147 JVMFlag::Error OnStackReplacePercentageConstraintFunc(intx value, bool verbose) {
148 int64_t max_percentage_limit = ((int64_t)INT_MAX>>InvocationCounter::count_shift)*100;
149 max_percentage_limit = CompileThreshold == 0 ? max_percentage_limit : max_percentage_limit/CompileThreshold;
150
151 if (ProfileInterpreter) {
152 if (value < InterpreterProfilePercentage) {
153 JVMFlag::printError(verbose,
154 "OnStackReplacePercentage (" INTX_FORMAT ") must be "
155 "larger than InterpreterProfilePercentage (" INTX_FORMAT ")\n",
156 value, InterpreterProfilePercentage);
157 return JVMFlag::VIOLATES_CONSTRAINT;
158 }
159
160 max_percentage_limit += InterpreterProfilePercentage;
161 if (value > max_percentage_limit) {
162 JVMFlag::printError(verbose,
163 "OnStackReplacePercentage (" INTX_FORMAT ") must be between 0 and " INT64_FORMAT "\n",
164 value,
165 max_percentage_limit);
166 return JVMFlag::VIOLATES_CONSTRAINT;
167 }
168 } else {
169 if (value < 0) {
170 JVMFlag::printError(verbose,
171 "OnStackReplacePercentage (" INTX_FORMAT ") must be "
172 "non-negative\n", value);
173 return JVMFlag::VIOLATES_CONSTRAINT;
174 }
175
176 if (value > max_percentage_limit) {
177 JVMFlag::printError(verbose,
178 "OnStackReplacePercentage (" INTX_FORMAT ") must be between 0 and " INT64_FORMAT "\n",
179 value,
180 max_percentage_limit);
181 return JVMFlag::VIOLATES_CONSTRAINT;
182 }
183 }
184 return JVMFlag::SUCCESS;
185 }
186
187 JVMFlag::Error CodeCacheSegmentSizeConstraintFunc(uintx value, bool verbose) {
188 if (CodeCacheSegmentSize < (uintx)CodeEntryAlignment) {
189 JVMFlag::printError(verbose,
190 "CodeCacheSegmentSize (" UINTX_FORMAT ") must be "
191 "larger than or equal to CodeEntryAlignment (" INTX_FORMAT ") "
192 "to align entry points\n",
193 CodeCacheSegmentSize, CodeEntryAlignment);
194 return JVMFlag::VIOLATES_CONSTRAINT;
195 }
196
197 if (CodeCacheSegmentSize < sizeof(jdouble)) {
198 JVMFlag::printError(verbose,
199 "CodeCacheSegmentSize (" UINTX_FORMAT ") must be "
200 "at least " SIZE_FORMAT " to align constants\n",
|