2005-07-12 Graydon Hoare <graydon@redhat.com>

	* elaborate.cxx
	(semantic_pass_symbols): Only enter body if non-null.
	(semantic_pass_types): Likewise.
	(semantic_pass): Pass session to register_standard_tapsets.
	* translate.cxx
	(builtin_collector): New struct.
	(hookup_builtins): New function.
	(translate_pass): Only translate functions with bodies.
	(c_unparser::emit_common_header): Likewise, and call hookup_builtins.
	* tapsets.hh (builtin_function): New class.
	(register_standard_tapsets): Change parameter to session.
	* tapsets.cc (bultin_function::*): Implement class.
	(register_standard_tapsets): Register printk, log, warn.
	* testsuite/transok/six.stp: New test.

1 files changed, 19 insertions, 1 deletions

diff --git a/tapsets.h b/tapsets.h
index 774fa59b..e2f5a8db 100644
--- a/tapsets.h
+++ b/tapsets.h
@@ -13,8 +13,26 @@
 #include "staptree.h"
 #include "elaborate.h"
 
+
+// Helper class for describing builtin functions. Calls to builtins
+// are typechecked and emitted, but the builtin definitions are *not*
+// emitted by the translator (in fact, they have no definitions in
+// systemtap language); they are assumed to exist outside the
+// translator, in the runtime library.
+
+class 
+builtin_function
+{
+  functiondecl *f;
+  token *id(std::string const & name);
+ public:
+  builtin_function(exp_type e, std::string const & name);
+  builtin_function & arg(exp_type e, std::string const & name);
+  void bind(systemtap_session & sess);
+};
+
 void 
-register_standard_tapsets(match_node * root);
+register_standard_tapsets(systemtap_session & sess);
 
 
 #endif // TAPSETS_H