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8141068: refactor -XXFlags= code in preparation for removal

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Reviewed-by: dcubed, gthornbr, coleenp
This commit is contained in:
Ron Durbin 2015-11-11 14:57:27 -08:00
parent f02593b51a
commit 409697a74e
2 changed files with 20 additions and 23 deletions
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30
hotspot/src/share/vm/runtime/arguments.cpp
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@ -74,6 +74,7 @@ do { \
} \
} while(0)
char* Arguments::_jvm_flags_file = NULL;
char** Arguments::_jvm_flags_array = NULL;
int Arguments::_num_jvm_flags = 0;
char** Arguments::_jvm_args_array = NULL;
@ -3957,7 +3958,6 @@ static bool use_vm_log() {
#endif // PRODUCT
jint Arguments::insert_vm_options_file(const JavaVMInitArgs* args,
char** flags_file,
char** vm_options_file,
const int vm_options_file_pos,
ScopedVMInitArgs *vm_options_file_args,
@ -3976,13 +3976,12 @@ jint Arguments::insert_vm_options_file(const JavaVMInitArgs* args,
}
jint Arguments::match_special_option_and_act(const JavaVMInitArgs* args,
char ** flags_file,
char ** vm_options_file,
ScopedVMInitArgs* vm_options_file_args,
ScopedVMInitArgs* args_out) {
// Remaining part of option string
const char* tail;
int vm_options_file_pos = -1;
ScopedVMInitArgs vm_options_file_args;
for (int index = 0; index < args->nOptions; index++) {
const JavaVMOption* option = args->options + index;
@ -3990,12 +3989,7 @@ jint Arguments::match_special_option_and_act(const JavaVMInitArgs* args,
continue;
}
if (match_option(option, "-XX:Flags=", &tail)) {
*flags_file = (char *) tail;
if (*flags_file == NULL) {
jio_fprintf(defaultStream::error_stream(),
"Cannot copy flags_file name.\n");
return JNI_ENOMEM;
}
Arguments::set_jvm_flags_file(tail);
continue;
}
if (match_option(option, "-XX:VMOptionsFile=", &tail)) {
@ -4011,9 +4005,9 @@ jint Arguments::match_special_option_and_act(const JavaVMInitArgs* args,
*vm_options_file = (char *) tail;
vm_options_file_pos = index; // save position of -XX:VMOptionsFile
// If there's a VMOptionsFile, parse that (also can set flags_file)
jint code = insert_vm_options_file(args, flags_file, vm_options_file,
jint code = insert_vm_options_file(args, vm_options_file,
vm_options_file_pos,
vm_options_file_args, args_out);
&vm_options_file_args, args_out);
if (code != JNI_OK) {
return code;
}
@ -4109,16 +4103,12 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
// If flag "-XX:Flags=flags-file" is used it will be the first option to be processed.
const char* hotspotrc = ".hotspotrc";
char* flags_file = NULL;
char* vm_options_file = NULL;
bool settings_file_specified = false;
bool needs_hotspotrc_warning = false;
ScopedVMInitArgs java_tool_options_args;
ScopedVMInitArgs java_options_args;
ScopedVMInitArgs modified_cmd_line_args;
// Pass in vm_options_file_args to keep memory for flags_file from being
// deallocated if found in the vm options file.
ScopedVMInitArgs vm_options_file_args;
jint code =
parse_java_tool_options_environment_variable(&java_tool_options_args);
@ -4132,13 +4122,12 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
}
code = match_special_option_and_act(java_tool_options_args.get(),
&flags_file, NULL, NULL, NULL);
NULL, NULL);
if (code != JNI_OK) {
return code;
}
code = match_special_option_and_act(args, &flags_file, &vm_options_file,
&vm_options_file_args,
code = match_special_option_and_act(args, &vm_options_file,
&modified_cmd_line_args);
if (code != JNI_OK) {
return code;
@ -4150,12 +4139,13 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
args = modified_cmd_line_args.get();
}
code = match_special_option_and_act(java_options_args.get(), &flags_file,
NULL, NULL, NULL);
code = match_special_option_and_act(java_options_args.get(),
NULL, NULL);
if (code != JNI_OK) {
return code;
}
const char * flags_file = Arguments::get_jvm_flags_file();
settings_file_specified = (flags_file != NULL);
if (IgnoreUnrecognizedVMOptions) {