56 * Gets the host architecture name for the purpose of finding the corresponding
57 * {@linkplain HotSpotJVMCIBackendFactory backend}.
58 */
59 String getHostArchitectureName() {
60 String arch = Services.getSavedProperty("os.arch");
61 switch (arch) {
62 case "x86_64":
63 return "amd64";
64
65 default:
66 return arch;
67 }
68 }
69
70 final boolean useDeferredInitBarriers = getFlag("ReduceInitialCardMarks", Boolean.class);
71
72 final boolean useCompressedOops = getFlag("UseCompressedOops", Boolean.class);
73
74 final int objectAlignment = getFlag("ObjectAlignmentInBytes", Integer.class);
75
76 final int hubOffset = getFieldOffset("oopDesc::_metadata._klass", Integer.class, "Klass*");
77
78 final int subklassOffset = getFieldOffset("Klass::_subklass", Integer.class, "Klass*");
79 final int superOffset = getFieldOffset("Klass::_super", Integer.class, "Klass*");
80 final int nextSiblingOffset = getFieldOffset("Klass::_next_sibling", Integer.class, "Klass*");
81 final int superCheckOffsetOffset = getFieldOffset("Klass::_super_check_offset", Integer.class, "juint");
82 final int secondarySuperCacheOffset = getFieldOffset("Klass::_secondary_super_cache", Integer.class, "Klass*");
83
84 final int classLoaderDataOffset = getFieldOffset("Klass::_class_loader_data", Integer.class, "ClassLoaderData*");
85
86 /**
87 * The offset of the _java_mirror field (of type {@link Class}) in a Klass.
88 */
89 final int javaMirrorOffset = getFieldOffset("Klass::_java_mirror", Integer.class, "OopHandle");
90
91 final int klassAccessFlagsOffset = getFieldOffset("Klass::_access_flags", Integer.class, "AccessFlags");
92 final int klassLayoutHelperOffset = getFieldOffset("Klass::_layout_helper", Integer.class, "jint");
93
94 final int klassLayoutHelperNeutralValue = getConstant("Klass::_lh_neutral_value", Integer.class);
95 final int klassLayoutHelperInstanceSlowPathBit = getConstant("Klass::_lh_instance_slow_path_bit", Integer.class);
96
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56 * Gets the host architecture name for the purpose of finding the corresponding
57 * {@linkplain HotSpotJVMCIBackendFactory backend}.
58 */
59 String getHostArchitectureName() {
60 String arch = Services.getSavedProperty("os.arch");
61 switch (arch) {
62 case "x86_64":
63 return "amd64";
64
65 default:
66 return arch;
67 }
68 }
69
70 final boolean useDeferredInitBarriers = getFlag("ReduceInitialCardMarks", Boolean.class);
71
72 final boolean useCompressedOops = getFlag("UseCompressedOops", Boolean.class);
73
74 final int objectAlignment = getFlag("ObjectAlignmentInBytes", Integer.class);
75
76 // TODO: Lilliput. Probably ok.
77 final int hubOffset = 4; // getFieldOffset("oopDesc::_metadata._klass", Integer.class, "Klass*");
78
79 final int subklassOffset = getFieldOffset("Klass::_subklass", Integer.class, "Klass*");
80 final int superOffset = getFieldOffset("Klass::_super", Integer.class, "Klass*");
81 final int nextSiblingOffset = getFieldOffset("Klass::_next_sibling", Integer.class, "Klass*");
82 final int superCheckOffsetOffset = getFieldOffset("Klass::_super_check_offset", Integer.class, "juint");
83 final int secondarySuperCacheOffset = getFieldOffset("Klass::_secondary_super_cache", Integer.class, "Klass*");
84
85 final int classLoaderDataOffset = getFieldOffset("Klass::_class_loader_data", Integer.class, "ClassLoaderData*");
86
87 /**
88 * The offset of the _java_mirror field (of type {@link Class}) in a Klass.
89 */
90 final int javaMirrorOffset = getFieldOffset("Klass::_java_mirror", Integer.class, "OopHandle");
91
92 final int klassAccessFlagsOffset = getFieldOffset("Klass::_access_flags", Integer.class, "AccessFlags");
93 final int klassLayoutHelperOffset = getFieldOffset("Klass::_layout_helper", Integer.class, "jint");
94
95 final int klassLayoutHelperNeutralValue = getConstant("Klass::_lh_neutral_value", Integer.class);
96 final int klassLayoutHelperInstanceSlowPathBit = getConstant("Klass::_lh_instance_slow_path_bit", Integer.class);
97
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