3 files changed, 36 insertions, 0 deletions
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_cmds.c b/usr/src/cmd/mdb/common/mdb/mdb_cmds.c
index ad6a388b49..cd50cdce17 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_cmds.c
+++ b/usr/src/cmd/mdb/common/mdb/mdb_cmds.c
@@ -3205,6 +3205,7 @@ const mdb_dcmd_t mdb_dcmd_builtins[] = {
 	{ "typeset", "[+/-t] var ...", "set variable attributes", cmd_typeset },
 	{ "typedef", "[-c model | -d | -l | -r file | -w file ] [type] [name]",
 		"create synthetic types", cmd_typedef, cmd_typedef_help },
+	{ "typelist", NULL, "list known types", cmd_typelist },
 	{ "unset", "[name ...]", "unset variables", cmd_unset },
 	{ "vars", "[-npt]", "print listing of variables", cmd_vars },
 	{ "version", NULL, "print debugger version string", cmd_version },
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_ctf.c b/usr/src/cmd/mdb/common/mdb/mdb_ctf.c
index f2854bb6d6..9cc7c6f1a0 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_ctf.c
+++ b/usr/src/cmd/mdb/common/mdb/mdb_ctf.c
@@ -2272,3 +2272,35 @@ mdb_ctf_synthetics_to_file(const char *file)
 
 	return (err);
 }
+
+static int
+cmd_typelist_type(mdb_ctf_id_t id, void *arg)
+{
+	char buf[1024];
+
+	if (mdb_ctf_type_name(id, buf, sizeof (buf)) != NULL) {
+		mdb_printf("%s\n", buf);
+	}
+	return (0);
+}
+
+static int
+cmd_typelist_module(void *data, const mdb_map_t *mp, const char *name)
+{
+	(void) mdb_ctf_type_iter(name, cmd_typelist_type, data);
+	return (0);
+}
+
+int
+cmd_typelist(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
+{
+	if ((flags & DCMD_ADDRSPEC) != 0) {
+		return (DCMD_USAGE);
+	}
+
+	(void) mdb_tgt_object_iter(mdb.m_target, cmd_typelist_module, NULL);
+	(void) mdb_ctf_type_iter(MDB_CTF_SYNTHETIC_ITER, cmd_typelist_type,
+	    NULL);
+
+	return (DCMD_OK);
+}
diff --git a/usr/src/cmd/mdb/common/mdb/mdb_ctf.h b/usr/src/cmd/mdb/common/mdb/mdb_ctf.h
index 74bc8e95da..639e7b2bdc 100644
--- a/usr/src/cmd/mdb/common/mdb/mdb_ctf.h
+++ b/usr/src/cmd/mdb/common/mdb/mdb_ctf.h
@@ -35,6 +35,7 @@
 
 #ifdef _MDB
 #include <sys/machelf.h>
+#include <mdb/mdb_modapi.h>
 #endif
 
 /*
@@ -159,6 +160,8 @@ extern int mdb_ctf_synthetics_init(void);			/* Internal */
 extern void mdb_ctf_synthetics_fini(void);			/* Internal */
 extern int mdb_ctf_synthetics_from_file(const char *);		/* Internal */
 extern int mdb_ctf_synthetics_to_file(const char *);		/* Internal */
+extern int cmd_typelist(uintptr_t, uint_t, int,			/* Internal */
+    const mdb_arg_t *);
 
 #endif