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comparison src/share/vm/graal/graalRuntime.cpp @ 21031:e1c063565b3c

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Graal Services: use services files in jre/lib/graal/services
author Gilles Duboscq <gilles.m.duboscq@oracle.com>
date Wed, 15 Apr 2015 18:21:00 +0200
parents 23433619a7cd
children 4527d2428f37
comparison
equal deleted inserted replaced
21030:c8166c23047d 21031:e1c063565b3c
628 JVM_ENTRY(jobject, JVM_GetGraalRuntime(JNIEnv *env, jclass c)) 628 JVM_ENTRY(jobject, JVM_GetGraalRuntime(JNIEnv *env, jclass c))
629 GraalRuntime::initialize_HotSpotGraalRuntime(); 629 GraalRuntime::initialize_HotSpotGraalRuntime();
630 return GraalRuntime::get_HotSpotGraalRuntime_jobject(); 630 return GraalRuntime::get_HotSpotGraalRuntime_jobject();
631 JVM_END 631 JVM_END
632 632
633 // private static String[] Graal.getServiceImpls(Class service) 633 // private static String[] Services.getServiceImpls(Class service)
634 JVM_ENTRY(jobject, JVM_GetGraalServiceImpls(JNIEnv *env, jclass c, jclass serviceClass)) 634 JVM_ENTRY(jobject, JVM_GetGraalServiceImpls(JNIEnv *env, jclass c, jclass serviceClass))
635 HandleMark hm; 635 HandleMark hm;
636 ResourceMark rm;
636 KlassHandle serviceKlass(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(serviceClass))); 637 KlassHandle serviceKlass(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(serviceClass)));
637 return JNIHandles::make_local(THREAD, GraalRuntime::get_service_impls(serviceKlass, THREAD)()); 638 return JNIHandles::make_local(THREAD, GraalRuntime::get_service_impls(serviceKlass, THREAD)());
638 JVM_END 639 JVM_END
639 640
640 // private static TruffleRuntime Truffle.createRuntime() 641 // private static TruffleRuntime Truffle.createRuntime()
1072 vm_abort(false); 1073 vm_abort(false);
1073 } 1074 }
1074 return klass; 1075 return klass;
1075 } 1076 }
1076 1077
1078 Handle GraalRuntime::get_service_impls(KlassHandle serviceKlass, TRAPS) {
1079 const char* home = Arguments::get_java_home();
1080 const char* serviceName = serviceKlass->external_name();
1081 size_t path_len = strlen(home) + strlen("/lib/graal/services/") + strlen(serviceName) + 1;
1082 char* path = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, path_len);
1083 char sep = os::file_separator()[0];
1084 sprintf(path, "%s%clib%cgraal%cservices%c%s", home, sep, sep, sep, sep, serviceName);
1085 struct stat st;
1086 if (os::stat(path, &st) == 0) {
1087 int file_handle = os::open(path, 0, 0);
1088 if (file_handle != -1) {
1089 char* buffer = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, st.st_size + 1);
1090 int num_read = (int) os::read(file_handle, (char*) buffer, st.st_size);
1091 if (num_read == -1) {
1092 warning("Error reading file %s due to %s", path, strerror(errno));
1093 } else if (num_read != st.st_size) {
1094 warning("Only read %d of " SIZE_FORMAT " bytes from %s", num_read, (size_t) st.st_size, path);
1095 }
1096 os::close(file_handle);
1097 if (num_read == st.st_size) {
1098 buffer[num_read] = '\0';
1099 GrowableArray<char*>* implNames = new GrowableArray<char*>();
1100 char* line = buffer;
1101 while (line - buffer < num_read) {
1102 char* nl = strchr(line, '\n');
1103 if (nl != NULL) {
1104 *nl = '\0';
1105 }
1106 // Turn all '.'s into '/'s
1107 for (size_t index = 0; line[index] != '\0'; index++) {
1108 if (line[index] == '.') {
1109 line[index] = '/';
1110 }
1111 }
1112 implNames->append(line);
1113 if (nl != NULL) {
1114 line = nl + 1;
1115 } else {
1116 // File without newline at the end
1117 break;
1118 }
1119 }
1120
1121 objArrayOop servicesOop = oopFactory::new_objArray(serviceKlass(), implNames->length(), CHECK_NH);
1122 objArrayHandle services(THREAD, servicesOop);
1123 for (int i = 0; i < implNames->length(); ++i) {
1124 char* implName = implNames->at(i);
1125 Handle service = create_Service(implName, CHECK_NH);
1126 services->obj_at_put(i, service());
1127 }
1128 return services;
1129 }
1130 } else {
1131 warning("Error opening file %s due to %s", path, strerror(errno));
1132 }
1133 } else {
1134 warning("Error opening file %s due to %s", path, strerror(errno));
1135 }
1136 return Handle();
1137 }
1138
1077 #include "graalRuntime.inline.hpp" 1139 #include "graalRuntime.inline.hpp"