probes_helper.h

   1 #ifndef RUBY_PROBES_HELPER_H
   2 #define RUBY_PROBES_HELPER_H
   3
   4 #include "ruby/ruby.h"
   5
   6 struct ruby_dtrace_method_hook_args {
   7     const char *classname;
   8     const char *methodname;
   9     const char *filename;
  10     int line_no;
  11     volatile VALUE klass;
  12     volatile VALUE name;
  13 };
  14
  15 MJIT_SYMBOL_EXPORT_BEGIN
  16 NOINLINE(int rb_dtrace_setup(rb_execution_context_t *, VALUE, ID, struct ruby_dtrace_method_hook_args *));
  17 MJIT_SYMBOL_EXPORT_END
  18
  19 #define RUBY_DTRACE_METHOD_HOOK(name, ec, klazz, id) \
  20 do { \
  21     if (UNLIKELY(RUBY_DTRACE_##name##_ENABLED())) { \
  22         struct ruby_dtrace_method_hook_args args; \
  23         if (rb_dtrace_setup(ec, klazz, id, &args)) { \
  24             RUBY_DTRACE_##name(args.classname, \
  25                                args.methodname, \
  26                                args.filename, \
  27                                args.line_no); \
  28         } \
  29     } \
  30 } while (0)
  31
  32 #define RUBY_DTRACE_METHOD_ENTRY_HOOK(ec, klass, id) \
  33     RUBY_DTRACE_METHOD_HOOK(METHOD_ENTRY, ec, klass, id)
  34
  35 #define RUBY_DTRACE_METHOD_RETURN_HOOK(ec, klass, id) \
  36     RUBY_DTRACE_METHOD_HOOK(METHOD_RETURN, ec, klass, id)
  37
  38 #define RUBY_DTRACE_CMETHOD_ENTRY_HOOK(ec, klass, id) \
  39     RUBY_DTRACE_METHOD_HOOK(CMETHOD_ENTRY, ec, klass, id)
  40
  41 #define RUBY_DTRACE_CMETHOD_RETURN_HOOK(ec, klass, id) \
  42     RUBY_DTRACE_METHOD_HOOK(CMETHOD_RETURN, ec, klass, id)
  43
  44 #endif /* RUBY_PROBES_HELPER_H */