1 files changed, 23 insertions, 5 deletions

diff --git a/usr/src/lib/libdtrace/common/dt_cc.c b/usr/src/lib/libdtrace/common/dt_cc.c
index f4b0509b4a..5d38704ffe 100644
--- a/usr/src/lib/libdtrace/common/dt_cc.c
+++ b/usr/src/lib/libdtrace/common/dt_cc.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2011, Joyent Inc. All rights reserved.
+ * Copyright (c) 2013, Joyent Inc. All rights reserved.
  * Copyright (c) 2012 by Delphix. All rights reserved.
  */
 
@@ -662,6 +662,8 @@ dt_action_printflike(dtrace_hdl_t *dtp, dt_node_t *dnp, dtrace_stmtdesc_t *sdp,
 static void
 dt_action_trace(dtrace_hdl_t *dtp, dt_node_t *dnp, dtrace_stmtdesc_t *sdp)
 {
+	int ctflib;
+
 	dtrace_actdesc_t *ap = dt_stmt_action(dtp, sdp);
 	boolean_t istrace = (dnp->dn_ident->di_id == DT_ACT_TRACE);
 	const char *act = istrace ?  "trace" : "print";
@@ -693,7 +695,10 @@ dt_action_trace(dtrace_hdl_t *dtp, dt_node_t *dnp, dtrace_stmtdesc_t *sdp)
 	 * like arrays and function pointers that can't be resolved by
 	 * ctf_type_lookup().  This is later processed by dtrace_dof_create()
 	 * and turned into a reference into the string table so that we can
-	 * get the type information when we process the data after the fact.
+	 * get the type information when we process the data after the fact.  In
+	 * the case where we are referring to userland CTF data, we also need to
+	 * to identify which ctf container in question we care about and encode
+	 * that within the name.
 	 */
 	if (dnp->dn_ident->di_id == DT_ACT_PRINT) {
 		dt_node_t *dret;
@@ -703,12 +708,25 @@ dt_action_trace(dtrace_hdl_t *dtp, dt_node_t *dnp, dtrace_stmtdesc_t *sdp)
 		dret = yypcb->pcb_dret;
 		dmp = dt_module_lookup_by_ctf(dtp, dret->dn_ctfp);
 
-		n = snprintf(NULL, 0, "%s`%d", dmp->dm_name, dret->dn_type) + 1;
+		if (dmp->dm_pid != 0) {
+			ctflib = dt_module_getlibid(dtp, dmp, dret->dn_ctfp);
+			assert(ctflib >= 0);
+			n = snprintf(NULL, 0, "%s`%d`%d", dmp->dm_name,
+			    ctflib, dret->dn_type) + 1;
+		} else {
+			n = snprintf(NULL, 0, "%s`%d", dmp->dm_name,
+			    dret->dn_type) + 1;
+		}
 		sdp->dtsd_strdata = dt_alloc(dtp, n);
 		if (sdp->dtsd_strdata == NULL)
 			longjmp(yypcb->pcb_jmpbuf, EDT_NOMEM);
-		(void) snprintf(sdp->dtsd_strdata, n, "%s`%d", dmp->dm_name,
-		    dret->dn_type);
+		if (dmp->dm_pid != 0) {
+			(void) snprintf(sdp->dtsd_strdata, n, "%s`%d`%d",
+			    dmp->dm_name, ctflib, dret->dn_type);
+		} else {
+			(void) snprintf(sdp->dtsd_strdata, n, "%s`%d",
+			    dmp->dm_name, dret->dn_type);
+		}
 	}
 
 	ap->dtad_difo = dt_as(yypcb);