From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <hjl@sourceware.org>
Received: by sourceware.org (Postfix, from userid 1039)
 id 71BCB3857806; Wed, 16 Mar 2022 13:44:30 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 71BCB3857806
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: quoted-printable
From: H.J. Lu <hjl@sourceware.org>
To: bfd-cvs@sourceware.org, gdb-cvs@sourceware.org
Subject: [binutils-gdb] gprofng: Define ATTRIBUTE_FALLTHROUGH
X-Act-Checkin: binutils-gdb
X-Git-Author: H.J. Lu <hjl.tools@gmail.com>
X-Git-Refname: refs/heads/master
X-Git-Oldrev: 0c857ef4dfc083b6f5ef2d32182b8db24c5f8d55
X-Git-Newrev: c5edd3b8847f118bd022c473b126695fb39f6412
Message-Id: <20220316134430.71BCB3857806@sourceware.org>
Date: Wed, 16 Mar 2022 13:44:30 +0000 (GMT)
X-BeenThere: gdb-cvs@sourceware.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gdb-cvs mailing list <gdb-cvs.sourceware.org>
List-Unsubscribe: <https://sourceware.org/mailman/options/gdb-cvs>,
 <mailto:gdb-cvs-request@sourceware.org?subject=unsubscribe>
List-Archive: <https://sourceware.org/pipermail/gdb-cvs/>
List-Help: <mailto:gdb-cvs-request@sourceware.org?subject=help>
List-Subscribe: <https://sourceware.org/mailman/listinfo/gdb-cvs>,
 <mailto:gdb-cvs-request@sourceware.org?subject=subscribe>
X-List-Received-Date: Wed, 16 Mar 2022 13:44:30 -0000

https://sourceware.org/git/gitweb.cgi?p=3Dbinutils-gdb.git;h=3Dc5edd3b8847f=
118bd022c473b126695fb39f6412

commit c5edd3b8847f118bd022c473b126695fb39f6412
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Mar 15 08:49:01 2022 -0700

    gprofng: Define ATTRIBUTE_FALLTHROUGH
   =20
    Define ATTRIBUTE_FALLTHROUGH to __attribute__ ((fallthrough)) only for
    GCC 7 or above.
   =20
            PR gprof/28969
            * common/gp-defs.h (ATTRIBUTE_FALLTHROUGH): New.
            * src/gp-collect-app.cc (collect::check_args): Replace
            /* FALLTHROUGH */ with ATTRIBUTE_FALLTHROUGH.

Diff:
---
 gprofng/common/gp-defs.h      | 8 ++++++++
 gprofng/src/gp-collect-app.cc | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/gprofng/common/gp-defs.h b/gprofng/common/gp-defs.h
index 440bfb1c5e2..e92c33e101b 100644
--- a/gprofng/common/gp-defs.h
+++ b/gprofng/common/gp-defs.h
@@ -55,4 +55,12 @@
 #define WSIZE_32            1
 #endif
=20
+#ifndef ATTRIBUTE_FALLTHROUGH
+# if (GCC_VERSION >=3D 7000)
+#  define ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__))
+# else
+#  define ATTRIBUTE_FALLTHROUGH	/* Fall through */
+# endif
+#endif
+
 #endif
diff --git a/gprofng/src/gp-collect-app.cc b/gprofng/src/gp-collect-app.cc
index a40cf8fb9be..34874b8c296 100644
--- a/gprofng/src/gp-collect-app.cc
+++ b/gprofng/src/gp-collect-app.cc
@@ -848,7 +848,7 @@ collect::check_args (int argc, char *argv[])
 	  }
 	case 'O':
 	  overwriteExp =3D true;
-          /* FALLTHROUGH */
+	  ATTRIBUTE_FALLTHROUGH
 	case 'o':
 	  if (precheck =3D=3D 1)
 	    {