71 public class HotSpotCompiledCodeBuilder {
72 public static class Options {
73 // @formatter:off
74 @Option(help = "Controls whether the source position information of snippets and method substitutions" +
75 " are exposed to HotSpot. Can be useful when profiling to get more precise position information.")
76 public static final OptionKey<Boolean> ShowSubstitutionSourceInfo = new OptionKey<>(false);
77 }
78
79 public static HotSpotCompiledCode createCompiledCode(CodeCacheProvider codeCache, ResolvedJavaMethod method, HotSpotCompilationRequest compRequest, CompilationResult compResult, OptionValues options) {
80 String name = compResult.getName();
81
82 byte[] targetCode = compResult.getTargetCode();
83 int targetCodeSize = compResult.getTargetCodeSize();
84
85 Site[] sites = getSortedSites(compResult, options, codeCache.shouldDebugNonSafepoints() && method != null);
86
87 Assumption[] assumptions = compResult.getAssumptions();
88
89 ResolvedJavaMethod[] methods = compResult.getMethods();
90
91 List<CodeAnnotation> annotations = compResult.getAnnotations();
92 Comment[] comments = new Comment[annotations.size()];
93 if (!annotations.isEmpty()) {
94 for (int i = 0; i < comments.length; i++) {
95 CodeAnnotation annotation = annotations.get(i);
96 String text;
97 if (annotation instanceof CodeComment) {
98 CodeComment codeComment = (CodeComment) annotation;
99 text = codeComment.value;
100 } else if (annotation instanceof JumpTable) {
101 JumpTable jumpTable = (JumpTable) annotation;
102 text = "JumpTable [" + jumpTable.low + " .. " + jumpTable.high + "]";
103 } else {
104 text = annotation.toString();
105 }
106 comments[i] = new Comment(annotation.position, text);
107 }
108 }
109
110 DataSection data = compResult.getDataSection();
111 byte[] dataSection = new byte[data.getSectionSize()];
112
113 ByteBuffer buffer = ByteBuffer.wrap(dataSection).order(ByteOrder.nativeOrder());
114 List<DataPatch> patches = new ArrayList<>();
115 data.buildDataSection(buffer, (position, vmConstant) -> {
116 patches.add(new DataPatch(position, new ConstantReference(vmConstant)));
117 });
118
119 int dataSectionAlignment = data.getSectionAlignment();
120 DataPatch[] dataSectionPatches = patches.toArray(new DataPatch[patches.size()]);
121
122 int totalFrameSize = compResult.getTotalFrameSize();
123 StackSlot customStackArea = compResult.getCustomStackArea();
124 boolean isImmutablePIC = compResult.isImmutablePIC();
125
126 if (method instanceof HotSpotResolvedJavaMethod) {
127 HotSpotResolvedJavaMethod hsMethod = (HotSpotResolvedJavaMethod) method;
128 int entryBCI = compResult.getEntryBCI();
129 boolean hasUnsafeAccess = compResult.hasUnsafeAccess();
130
131 int id;
132 long jvmciEnv;
133 if (compRequest != null) {
134 id = compRequest.getId();
135 jvmciEnv = compRequest.getJvmciEnv();
136 } else {
137 id = hsMethod.allocateCompileId(entryBCI);
138 jvmciEnv = 0L;
139 }
140 return new HotSpotCompiledNmethod(name, targetCode, targetCodeSize, sites, assumptions, methods, comments, dataSection, dataSectionAlignment, dataSectionPatches, isImmutablePIC,
141 totalFrameSize, customStackArea, hsMethod, entryBCI, id, jvmciEnv, hasUnsafeAccess);
142 } else {
143 return new HotSpotCompiledCode(name, targetCode, targetCodeSize, sites, assumptions, methods, comments, dataSection, dataSectionAlignment, dataSectionPatches, isImmutablePIC,
144 totalFrameSize, customStackArea);
145 }
146 }
147
148 static class SiteComparator implements Comparator<Site> {
149
150 /**
151 * Defines an order for sorting {@link Infopoint}s based on their
152 * {@linkplain Infopoint#reason reasons}. This is used to choose which infopoint to preserve
153 * when multiple infopoints collide on the same PC offset. A negative order value implies a
154 * non-optional infopoint (i.e., must be preserved).
155 */
156 static final Map<InfopointReason, Integer> HOTSPOT_INFOPOINT_SORT_ORDER = new EnumMap<>(InfopointReason.class);
157
158 static {
159 HOTSPOT_INFOPOINT_SORT_ORDER.put(InfopointReason.SAFEPOINT, -4);
160 HOTSPOT_INFOPOINT_SORT_ORDER.put(InfopointReason.CALL, -3);
161 HOTSPOT_INFOPOINT_SORT_ORDER.put(InfopointReason.IMPLICIT_EXCEPTION, -2);
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71 public class HotSpotCompiledCodeBuilder {
72 public static class Options {
73 // @formatter:off
74 @Option(help = "Controls whether the source position information of snippets and method substitutions" +
75 " are exposed to HotSpot. Can be useful when profiling to get more precise position information.")
76 public static final OptionKey<Boolean> ShowSubstitutionSourceInfo = new OptionKey<>(false);
77 }
78
79 public static HotSpotCompiledCode createCompiledCode(CodeCacheProvider codeCache, ResolvedJavaMethod method, HotSpotCompilationRequest compRequest, CompilationResult compResult, OptionValues options) {
80 String name = compResult.getName();
81
82 byte[] targetCode = compResult.getTargetCode();
83 int targetCodeSize = compResult.getTargetCodeSize();
84
85 Site[] sites = getSortedSites(compResult, options, codeCache.shouldDebugNonSafepoints() && method != null);
86
87 Assumption[] assumptions = compResult.getAssumptions();
88
89 ResolvedJavaMethod[] methods = compResult.getMethods();
90
91 List<CodeAnnotation> annotations = compResult.getCodeAnnotations();
92 Comment[] comments = new Comment[annotations.size()];
93 if (!annotations.isEmpty()) {
94 for (int i = 0; i < comments.length; i++) {
95 CodeAnnotation annotation = annotations.get(i);
96 String text;
97 if (annotation instanceof CodeComment) {
98 CodeComment codeComment = (CodeComment) annotation;
99 text = codeComment.value;
100 } else if (annotation instanceof JumpTable) {
101 JumpTable jumpTable = (JumpTable) annotation;
102 text = "JumpTable [" + jumpTable.low + " .. " + jumpTable.high + "]";
103 } else {
104 text = annotation.toString();
105 }
106 comments[i] = new Comment(annotation.position, text);
107 }
108 }
109
110 DataSection data = compResult.getDataSection();
111 byte[] dataSection = new byte[data.getSectionSize()];
112
113 ByteBuffer buffer = ByteBuffer.wrap(dataSection).order(ByteOrder.nativeOrder());
114 List<DataPatch> patches = new ArrayList<>();
115 data.buildDataSection(buffer, (position, vmConstant) -> {
116 patches.add(new DataPatch(position, new ConstantReference(vmConstant)));
117 });
118
119 int dataSectionAlignment = data.getSectionAlignment();
120 DataPatch[] dataSectionPatches = patches.toArray(new DataPatch[patches.size()]);
121
122 int totalFrameSize = compResult.getTotalFrameSize();
123 StackSlot customStackArea = compResult.getCustomStackArea();
124 boolean isImmutablePIC = compResult.isImmutablePIC();
125
126 if (method instanceof HotSpotResolvedJavaMethod) {
127 HotSpotResolvedJavaMethod hsMethod = (HotSpotResolvedJavaMethod) method;
128 int entryBCI = compResult.getEntryBCI();
129 boolean hasUnsafeAccess = compResult.hasUnsafeAccess();
130
131 int id;
132 long jvmciCompileState;
133 if (compRequest != null) {
134 id = compRequest.getId();
135 jvmciCompileState = compRequest.getJvmciEnv();
136 } else {
137 id = hsMethod.allocateCompileId(entryBCI);
138 jvmciCompileState = 0L;
139 }
140 return new HotSpotCompiledNmethod(name, targetCode, targetCodeSize, sites, assumptions, methods, comments, dataSection, dataSectionAlignment, dataSectionPatches, isImmutablePIC,
141 totalFrameSize, customStackArea, hsMethod, entryBCI, id, jvmciCompileState, hasUnsafeAccess);
142 } else {
143 return new HotSpotCompiledCode(name, targetCode, targetCodeSize, sites, assumptions, methods, comments, dataSection, dataSectionAlignment, dataSectionPatches, isImmutablePIC,
144 totalFrameSize, customStackArea);
145 }
146 }
147
148 static class SiteComparator implements Comparator<Site> {
149
150 /**
151 * Defines an order for sorting {@link Infopoint}s based on their
152 * {@linkplain Infopoint#reason reasons}. This is used to choose which infopoint to preserve
153 * when multiple infopoints collide on the same PC offset. A negative order value implies a
154 * non-optional infopoint (i.e., must be preserved).
155 */
156 static final Map<InfopointReason, Integer> HOTSPOT_INFOPOINT_SORT_ORDER = new EnumMap<>(InfopointReason.class);
157
158 static {
159 HOTSPOT_INFOPOINT_SORT_ORDER.put(InfopointReason.SAFEPOINT, -4);
160 HOTSPOT_INFOPOINT_SORT_ORDER.put(InfopointReason.CALL, -3);
161 HOTSPOT_INFOPOINT_SORT_ORDER.put(InfopointReason.IMPLICIT_EXCEPTION, -2);
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