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comparison src/share/vm/c1/c1_Runtime1.cpp @ 6446:c8759f9f9e3c

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added Log.printf() for more flexibility in debugging snippets
author Doug Simon <doug.simon@oracle.com>
date Wed, 26 Sep 2012 18:15:11 +0200
parents 7d6f44854ee3
children 3bba61323b38
comparison
equal deleted inserted replaced
6445:a2299c2fc0c6 6446:c8759f9f9e3c
801 } 801 }
802 } 802 }
803 if (newline) { 803 if (newline) {
804 tty->cr(); 804 tty->cr();
805 } 805 }
806 JRT_END
807
808 JRT_ENTRY(void, Runtime1::graal_log_printf(JavaThread* thread, oop format, jlong val))
809 char buf[1025];
810 assert(format != NULL && java_lang_String::is_instance(format), "must be");
811
812 typeArrayOop value = java_lang_String::value(format);
813 int offset = java_lang_String::offset(format);
814 int length = java_lang_String::length(format);
815
816 assert(value != NULL, "fmtString must be a literal");
817 assert(length >= 0 && length <= 1024, "format must be between 0 and 1024 characters");
818 length = MIN2(length, 1024);
819
820 int index = 0;
821 while (index < length) {
822 buf[index] = value->char_at(index + offset);
823 index++;
824 }
825 buf[index++] = 0;
826 tty->print(buf, val);
806 JRT_END 827 JRT_END
807 828
808 JRT_ENTRY(void, Runtime1::graal_log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline)) 829 JRT_ENTRY(void, Runtime1::graal_log_primitive(JavaThread* thread, jchar typeChar, jlong value, jboolean newline))
809 union { 830 union {
810 jlong l; 831 jlong l;