--- a/hotspot/src/share/vm/jvmci/jvmci_globals.cpp Tue Feb 23 10:22:56 2016 +0000
+++ b/hotspot/src/share/vm/jvmci/jvmci_globals.cpp Mon Feb 22 23:37:29 2016 -0800
@@ -24,6 +24,8 @@
#include "precompiled.hpp"
#include "jvmci/jvmci_globals.hpp"
+#include "utilities/defaultStream.hpp"
+#include "runtime/globals_extension.hpp"
JVMCI_FLAGS(MATERIALIZE_DEVELOPER_FLAG, \
MATERIALIZE_PD_DEVELOPER_FLAG, \
@@ -34,3 +36,185 @@
MATERIALIZE_NOTPRODUCT_FLAG,
IGNORE_RANGE, \
IGNORE_CONSTRAINT)
+
+#define JVMCI_IGNORE_FLAG_FOUR_PARAM(type, name, value, doc)
+#define JVMCI_IGNORE_FLAG_THREE_PARAM(type, name, doc)
+
+// Return true if jvmci flags are consistent.
+bool JVMCIGlobals::check_jvmci_flags_are_consistent() {
+ if (EnableJVMCI) {
+ return true;
+ }
+
+ // "FLAG_IS_DEFAULT" fail count.
+ int fail_count = 0;
+ // Number of "FLAG_IS_DEFAULT" fails that should be skipped before code
+ // detect real consistency failure.
+ int skip_fail_count;
+
+ // EnableJVMCI flag is false here.
+ // If any other flag is changed, consistency check should fail.
+ // JVMCI_FLAGS macros added below can handle all JVMCI flags automatically.
+ // But it contains check for EnableJVMCI flag too, which is required to be
+ // skipped. This can't be handled easily!
+ // So the code looks for at-least two flag changes to detect consistency
+ // failure when EnableJVMCI flag is changed.
+ // Otherwise one flag change is sufficient to detect consistency failure.
+ // Set skip_fail_count to 0 if EnableJVMCI flag is default.
+ // Set skip_fail_count to 1 if EnableJVMCI flag is changed.
+ // This value will be used to skip fails in macro expanded code later.
+ if (!FLAG_IS_DEFAULT(EnableJVMCI)) {
+ skip_fail_count = 1;
+ } else {
+ skip_fail_count = 0;
+ }
+
+#define EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(FLAG) \
+ if (!FLAG_IS_DEFAULT(FLAG)) { \
+ fail_count++; \
+ if (fail_count > skip_fail_count) { \
+ return false; \
+ } \
+ }
+
+#define JVMCI_DIAGNOSTIC_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name)
+#define JVMCI_EXPERIMENTAL_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name)
+
+ // Check consistency of diagnostic flags if UnlockDiagnosticVMOptions is true
+ // or not default. UnlockDiagnosticVMOptions is default true in debug builds.
+ if (UnlockDiagnosticVMOptions || !FLAG_IS_DEFAULT(UnlockDiagnosticVMOptions)) {
+ JVMCI_FLAGS(JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_IGNORE_FLAG_THREE_PARAM, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_IGNORE_FLAG_THREE_PARAM, \
+ JVMCI_DIAGNOSTIC_FLAG_VALUE_CHANGED_CHECK_CODE, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ IGNORE_RANGE, \
+ IGNORE_CONSTRAINT)
+ }
+
+ // Check consistency of experimental flags if UnlockExperimentalVMOptions is
+ // true or not default.
+ if (UnlockExperimentalVMOptions || !FLAG_IS_DEFAULT(UnlockExperimentalVMOptions)) {
+ JVMCI_FLAGS(JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_IGNORE_FLAG_THREE_PARAM, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_IGNORE_FLAG_THREE_PARAM, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_EXPERIMENTAL_FLAG_VALUE_CHANGED_CHECK_CODE, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ IGNORE_RANGE, \
+ IGNORE_CONSTRAINT)
+ }
+
+#ifndef PRODUCT
+#define JVMCI_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name)
+#define JVMCI_PD_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name)
+#define JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name)
+#else
+#define JVMCI_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc)
+#define JVMCI_PD_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, doc)
+#define JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc)
+#endif
+
+#define JVMCI_PD_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name)
+#define JVMCI_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE(type, name, value, doc) EMIT_FLAG_VALUE_CHANGED_CHECK_CODE(name)
+
+ JVMCI_FLAGS(JVMCI_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE, \
+ JVMCI_PD_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE, \
+ JVMCI_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE, \
+ JVMCI_PD_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE, \
+ IGNORE_RANGE, \
+ IGNORE_CONSTRAINT)
+
+#undef EMIT_FLAG_VALUE_CHANGED_CHECK_CODE
+#undef JVMCI_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE
+#undef JVMCI_PD_DEVELOP_FLAG_VALUE_CHANGED_CHECK_CODE
+#undef JVMCI_NOTPRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE
+#undef JVMCI_DIAGNOSTIC_FLAG_VALUE_CHANGED_CHECK_CODE
+#undef JVMCI_PD_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE
+#undef JVMCI_PRODUCT_FLAG_VALUE_CHANGED_CHECK_CODE
+#undef JVMCI_EXPERIMENTAL_FLAG_VALUE_CHANGED_CHECK_CODE
+
+ return true;
+}
+
+// Print jvmci arguments inconsistency error message.
+void JVMCIGlobals::print_jvmci_args_inconsistency_error_message() {
+ const char* error_msg = "Improperly specified VM option '%s'\n";
+ jio_fprintf(defaultStream::error_stream(), "EnableJVMCI must be enabled\n");
+
+#define EMIT_CHECK_PRINT_ERR_MSG_CODE(FLAG) \
+ if (!FLAG_IS_DEFAULT(FLAG)) { \
+ if (strcmp(#FLAG, "EnableJVMCI")) { \
+ jio_fprintf(defaultStream::error_stream(), error_msg, #FLAG); \
+ } \
+ }
+
+#define JVMCI_DIAGNOSTIC_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name)
+#define JVMCI_EXPERIMENTAL_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name)
+
+ if (UnlockDiagnosticVMOptions || !FLAG_IS_DEFAULT(UnlockDiagnosticVMOptions)) {
+ JVMCI_FLAGS(JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_IGNORE_FLAG_THREE_PARAM, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_IGNORE_FLAG_THREE_PARAM, \
+ JVMCI_DIAGNOSTIC_FLAG_CHECK_PRINT_ERR_MSG_CODE, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ IGNORE_RANGE, \
+ IGNORE_CONSTRAINT)
+ }
+
+ if (UnlockExperimentalVMOptions || !FLAG_IS_DEFAULT(UnlockExperimentalVMOptions)) {
+ JVMCI_FLAGS(JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_IGNORE_FLAG_THREE_PARAM, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_IGNORE_FLAG_THREE_PARAM, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_EXPERIMENTAL_FLAG_CHECK_PRINT_ERR_MSG_CODE, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ IGNORE_RANGE, \
+ IGNORE_CONSTRAINT)
+ }
+
+#ifndef PRODUCT
+#define JVMCI_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name)
+#define JVMCI_PD_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name)
+#define JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name)
+#else
+#define JVMCI_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc)
+#define JVMCI_PD_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, doc)
+#define JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc)
+#endif
+
+#define JVMCI_PD_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name)
+#define JVMCI_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE(type, name, value, doc) EMIT_CHECK_PRINT_ERR_MSG_CODE(name)
+
+ JVMCI_FLAGS(JVMCI_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE, \
+ JVMCI_PD_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE, \
+ JVMCI_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE, \
+ JVMCI_PD_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_IGNORE_FLAG_FOUR_PARAM, \
+ JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE, \
+ IGNORE_RANGE, \
+ IGNORE_CONSTRAINT)
+
+#undef EMIT_CHECK_PRINT_ERR_MSG_CODE
+#undef JVMCI_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE
+#undef JVMCI_PD_DEVELOP_FLAG_CHECK_PRINT_ERR_MSG_CODE
+#undef JVMCI_NOTPRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE
+#undef JVMCI_PD_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE
+#undef JVMCI_PRODUCT_FLAG_CHECK_PRINT_ERR_MSG_CODE
+#undef JVMCI_DIAGNOSTIC_FLAG_CHECK_PRINT_ERR_MSG_CODE
+#undef JVMCI_EXPERIMENTAL_FLAG_CHECK_PRINT_ERR_MSG_CODE
+
+}
+
+#undef JVMCI_IGNORE_FLAG_FOUR_PARAM
+#undef JVMCI_IGNORE_FLAG_THREE_PARAM