From: markj <markj@FreeBSD.org>
Date: Sat, 24 Oct 2015 03:14:36 +0000 (+0000)
Subject: DWARF emitted by clang 3.7 encodes array sizes using the DW_AT_count
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=3ef7519b6e055158d1266eb7951bd9a932dcb96c;p=people%2Fliuw%2Ffreebsd.git

DWARF emitted by clang 3.7 encodes array sizes using the DW_AT_count
attribute rather than DW_AT_upper_bound. Teach ctfconvert about this so that
array type sizes are encoded correctly.

PR:		203772
MFC after:	1 week
---

diff --git a/cddl/contrib/opensolaris/tools/ctf/cvt/dwarf.c b/cddl/contrib/opensolaris/tools/ctf/cvt/dwarf.c
index b7cb66fee9a..e439f04616a 100644
--- a/cddl/contrib/opensolaris/tools/ctf/cvt/dwarf.c
+++ b/cddl/contrib/opensolaris/tools/ctf/cvt/dwarf.c
@@ -683,6 +683,10 @@ tdesc_array_create(dwarf_t *dw, Dwarf_Die dim, tdesc_t *arrtdp,
 		ar->ad_nelems = uval + 1;
 	else if (die_signed(dw, dim, DW_AT_upper_bound, &sval, 0))
 		ar->ad_nelems = sval + 1;
+	else if (die_unsigned(dw, dim, DW_AT_count, &uval, 0))
+		ar->ad_nelems = uval;
+	else if (die_signed(dw, dim, DW_AT_count, &sval, 0))
+		ar->ad_nelems = sval;
 	else
 		ar->ad_nelems = 0;