From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 60927 invoked by alias); 23 Jan 2016 23:18:16 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 60915 invoked by uid 89); 23 Jan 2016 23:18:16 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS autolearn=ham version=3.3.2 spammy=noproto, Argument, 8138, sk:type_co X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Sat, 23 Jan 2016 23:18:15 +0000 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) by mx1.redhat.com (Postfix) with ESMTPS id BD833C0AC923 for ; Sat, 23 Jan 2016 23:18:13 +0000 (UTC) Received: from pinnacle.lan (ovpn-113-155.phx2.redhat.com [10.3.113.155]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u0NNICiA027060 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA256 bits=256 verify=NO) for ; Sat, 23 Jan 2016 18:18:13 -0500 Date: Sat, 23 Jan 2016 23:18:00 -0000 From: Kevin Buettner To: gdb-patches@sourceware.org Subject: [PATCH] rx: Treat scalars larger than 8 bytes as aggregates in rx_push_dummy_call Message-ID: <20160123161811.1c92dd3d@pinnacle.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-IsSubscribed: yes X-SW-Source: 2016-01/txt/msg00598.txt.bz2 This patch fixes the following failures (which are also GDB internal errors) for the -m64bit-doubles multilib: FAIL: gdb.base/callfuncs.exp: p t_double_complex_values(dc1, dc2) (GDB internal error) FAIL: gdb.base/callfuncs.exp: p t_double_complex_values(dc3, dc4) (GDB internal error) FAIL: gdb.base/callfuncs.exp: p t_double_complex_many_args(dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4) (GDB internal error) FAIL: gdb.base/callfuncs.exp: p t_double_complex_many_args(dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1) (GDB internal error) FAIL: gdb.base/callfuncs.exp: p t_long_double_complex_values(ldc1, ldc2) (GDB internal error) FAIL: gdb.base/callfuncs.exp: p t_long_double_complex_values(ldc3, ldc4) (GDB internal error) FAIL: gdb.base/callfuncs.exp: p t_long_double_complex_many_args(ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4) (GDB internal error) FAIL: gdb.base/callfuncs.exp: p t_long_double_complex_many_args(ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1,ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1) (GDB internal error) FAIL: gdb.base/callfuncs.exp: noproto: p t_double_complex_values(dc1, dc2) (GDB internal error) FAIL: gdb.base/callfuncs.exp: noproto: p t_double_complex_values(dc3, dc4) (GDB internal error) FAIL: gdb.base/callfuncs.exp: noproto: p t_double_complex_many_args(dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4, dc1, dc2, dc3, dc4) (GDB internal error) FAIL: gdb.base/callfuncs.exp: noproto: p t_double_complex_many_args(dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1, dc1) (GDB internal error) FAIL: gdb.base/callfuncs.exp: noproto: p t_long_double_complex_values(ldc1, ldc2) (GDB internal error) FAIL: gdb.base/callfuncs.exp: noproto: p t_long_double_complex_values(ldc3, ldc4) (GDB internal error) FAIL: gdb.base/callfuncs.exp: noproto: p t_long_double_complex_many_args(ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4, ldc1, ldc2, ldc3, ldc4) (GDB internal error) FAIL: gdb.base/callfuncs.exp: noproto: p t_long_double_complex_many_args(ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1,ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1, ldc1) (GDB internal error) FAIL: gdb.base/varargs.exp: print find_max_double_real(4, dc1, dc2, dc3, dc4) (GDB internal error) FAIL: gdb.base/varargs.exp: print find_max_long_double_real(4, ldc1, ldc2, ldc3, ldc4) (GDB internal error) The assertion failure which is tripped is: gdb_assert (arg_size <= 4); While it may seem that the patch ought to disallow scalars larger than 4, scalars of size 8 are explicitly handled by the code elsewhere. This came up because gcc has a complex type that is 16 bytes in length when 64-bit doubles are used. gdb/ChangeLog: * rx-tdep.c (rx_push_dummy_call): Treat scalars larger than 8 bytes as aggregates. --- gdb/rx-tdep.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/gdb/rx-tdep.c b/gdb/rx-tdep.c index 2732608..904aebd 100644 --- a/gdb/rx-tdep.c +++ b/gdb/rx-tdep.c @@ -813,7 +813,8 @@ rx_push_dummy_call (struct gdbarch *gdbarch, struct value *function, struct_addr); } else if (TYPE_CODE (arg_type) != TYPE_CODE_STRUCT - && TYPE_CODE (arg_type) != TYPE_CODE_UNION) + && TYPE_CODE (arg_type) != TYPE_CODE_UNION + && arg_size <= 8) { /* Argument is a scalar. */ if (arg_size == 8)