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comparison src/share/vm/graal/graalRuntime.hpp @ 15870:fe608a56e3f7

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made HotSpotOptions processing faster by removing use of service loader in VM startup and only doing work for options specified on the command line
author Doug Simon <doug.simon@oracle.com>
date Fri, 23 May 2014 19:36:34 +0200
parents b7fb36e57da8
children 6aa352b260f4
comparison
equal deleted inserted replaced
15869:387b15da0f68 15870:fe608a56e3f7
29 #include "runtime/deoptimization.hpp" 29 #include "runtime/deoptimization.hpp"
30 30
31 class GraalRuntime: public CHeapObj<mtCompiler> { 31 class GraalRuntime: public CHeapObj<mtCompiler> {
32 private: 32 private:
33 33
34 static address _external_deopt_i2c_entry; 34 static address _external_deopt_i2c_entry;
35
36 /**
37 * Reads the OptionValue object from a specified static field.
38 *
39 * @throws LinkageError if the field could not be resolved
40 */
41 static Handle get_OptionValue(const char* declaringClass, const char* fieldName, const char* fieldSig, TRAPS);
42
43 /**
44 * Parses the string form of a numeric, float or double option into a jlong (using raw bits for floats/doubles).
45 *
46 * @param spec 'i', 'f' or 'd' (see HotSpotOptions.setOption())
47 * @param name name option option
48 * @param value string value to parse
49 * @throws InternalError if value could not be parsed according to spec
50 */
51 static jlong parse_primitive_option_value(char spec, Handle name, const char* value, TRAPS);
52
53 /**
54 * Loads default option value overrides from a <jre_home>/lib/graal.options if it exists. Each
55 * line in this file must have the format of a Graal command line option without the
56 * leading "-G:" prefix. These option values are set prior to processing of any Graal
57 * options present on the command line.
58 */
59 static void parse_graal_options_file(KlassHandle hotSpotOptionsClass, TRAPS);
60
61 /**
62 * Parses a given argument and sets the denoted Graal option.
63 *
64 * @throws InternalError if there was a problem parsing or setting the option
65 */
66 static void parse_argument(KlassHandle hotSpotOptionsClass, char* arg, TRAPS);
67
68 /**
69 * Searches for a Graal option denoted by a given name and sets it value.
70 *
71 * @returns true if the option was found
72 * @throws InternalError if there was a problem setting the option's value
73 */
74 static bool set_option(KlassHandle hotSpotOptionsClass, const char* name, int name_len, Handle name_handle, const char* value, TRAPS);
35 75
36 public: 76 public:
37 77
38 static void initialize_natives(JNIEnv *env, jclass c2vmClass); 78 static void initialize_natives(JNIEnv *env, jclass c2vmClass);
39 static BufferBlob* initialize_buffer_blob(); 79 static BufferBlob* initialize_buffer_blob();
80
81 static bool parse_arguments(KlassHandle hotSpotOptionsClass, TRAPS);
82
40 static BasicType kindToBasicType(jchar ch); 83 static BasicType kindToBasicType(jchar ch);
41 static address create_external_deopt_i2c(); 84 static address create_external_deopt_i2c();
42 static address get_external_deopt_i2c_entry() {return _external_deopt_i2c_entry;} 85 static address get_external_deopt_i2c_entry() {return _external_deopt_i2c_entry;}
43 86
44 // The following routines are all called from compiled Graal code 87 // The following routines are all called from compiled Graal code