From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/probes_helper.h | 67 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 jni/ruby/probes_helper.h

(limited to 'jni/ruby/probes_helper.h')

diff --git a/jni/ruby/probes_helper.h b/jni/ruby/probes_helper.h
new file mode 100644
index 0000000..f01cbc3
--- /dev/null
+++ b/jni/ruby/probes_helper.h
@@ -0,0 +1,67 @@
+#ifndef RUBY_PROBES_HELPER_H
+#define RUBY_PROBES_HELPER_H
+
+#include "ruby/ruby.h"
+#include "probes.h"
+
+VALUE rb_class_path_no_cache(VALUE _klass);
+
+#define RUBY_DTRACE_HOOK(name, th, klazz, id) \
+do { \
+    if (RUBY_DTRACE_##name##_ENABLED()) { \
+	VALUE _klass = (klazz); \
+	ID _id = (id); \
+	const char * classname; \
+	const char * methodname; \
+	const char * filename; \
+	if (!_klass) { \
+	    rb_thread_method_id_and_class((th), &_id, &_klass); \
+	} \
+	if (_klass) { \
+	    if (RB_TYPE_P(_klass, T_ICLASS)) { \
+		_klass = RBASIC(_klass)->klass; \
+	    } \
+	    else if (FL_TEST(_klass, FL_SINGLETON)) { \
+		_klass = rb_iv_get(_klass, "__attached__"); \
+	    } \
+	    switch (TYPE(_klass)) { \
+		case T_CLASS: \
+		case T_ICLASS: \
+		case T_MODULE: \
+		{ \
+		    VALUE _name = rb_class_path_no_cache(_klass); \
+		    if (!NIL_P(_name)) { \
+		        classname = StringValuePtr(_name); \
+		    } \
+		    else {			 \
+		        classname = "<unknown>"; \
+		    } \
+		    methodname = rb_id2name(_id); \
+		    filename   = rb_sourcefile(); \
+		    if (classname && methodname && filename) { \
+		        RUBY_DTRACE_##name( \
+				classname, \
+				methodname, \
+				filename, \
+				rb_sourceline()); \
+		    } \
+		    break; \
+		} \
+	    } \
+	} \
+    } \
+} while (0)
+
+#define RUBY_DTRACE_METHOD_ENTRY_HOOK(th, klass, id) \
+    RUBY_DTRACE_HOOK(METHOD_ENTRY, th, klass, id)
+
+#define RUBY_DTRACE_METHOD_RETURN_HOOK(th, klass, id) \
+    RUBY_DTRACE_HOOK(METHOD_RETURN, th, klass, id)
+
+#define RUBY_DTRACE_CMETHOD_ENTRY_HOOK(th, klass, id) \
+    RUBY_DTRACE_HOOK(CMETHOD_ENTRY, th, klass, id)
+
+#define RUBY_DTRACE_CMETHOD_RETURN_HOOK(th, klass, id) \
+    RUBY_DTRACE_HOOK(CMETHOD_RETURN, th, klass, id)
+
+#endif /* RUBY_PROBES_HELPER_H */
-- 
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