From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30862 invoked by alias); 17 Sep 2009 02:36:11 -0000 Received: (qmail 30853 invoked by uid 22791); 17 Sep 2009 02:36:10 -0000 X-SWARE-Spam-Status: No, hits=-2.3 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from mout5.freenet.de (HELO mout5.freenet.de) (195.4.92.95) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 17 Sep 2009 02:36:05 +0000 Received: from [195.4.92.25] (helo=15.mx.freenet.de) by mout5.freenet.de with esmtpa (ID ralf.corsepius@freenet.de) (port 25) (Exim 4.69 #92) id 1Mo6qo-0001jG-He; Thu, 17 Sep 2009 04:36:02 +0200 Received: from hsi-kbw-078-043-127-065.hsi4.kabel-badenwuerttemberg.de ([78.43.127.65]:60027 helo=[192.168.1.104]) by 15.mx.freenet.de with esmtpsa (ID ralf.corsepius@freenet.de) (TLSv1:AES256-SHA:256) (port 465) (Exim 4.69 #94) id 1Mo6qo-0001LD-Ed; Thu, 17 Sep 2009 04:36:02 +0200 Message-ID: <4AB1A090.8030701@rtems.org> Date: Thu, 17 Sep 2009 02:36:00 -0000 From: Ralf Corsepius User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Thunderbird/3.0b3 MIME-Version: 1.0 To: "gdb-patches@sourceware.org" CC: Joel Sherrill Subject: sparc-tdep.c: __builtin___memcpy_chk overflows destination buffer Content-Type: multipart/mixed; boundary="------------080204090003010503040108" X-IsSubscribed: yes 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 X-SW-Source: 2009-09/txt/msg00556.txt.bz2 This is a multi-part message in MIME format. --------------080204090003010503040108 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-length: 1743 Hi, building gdb-6.8.91 for sparc-rtems* (sparc-elf) on F11/x86_64 raises this warning: gcc -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -I. -I../../gdb-6.8.91/gdb -I../../gdb-6.8.91/gdb/common -I../../gdb-6.8.91/gdb/config -DLOCALEDIR="\"/opt/rtems-4.10/share/locale\"" -DHAVE_CONFIG_H -I../../gdb-6.8.91/gdb/../include/opcode -I../bfd -I../../gdb-6.8.91/gdb/../bfd -I../../gdb-6.8.91/gdb/../include -I../libdecnumber -I../../gdb-6.8.91/gdb/../libdecnumber -I../../gdb-6.8.91/gdb/gnulib -Ignulib -DMI_OUT=1 -DTUI=1 -Wall -Wdeclaration-after-statement -Wpointer-arith -Wformat-nonliteral -Wno-pointer-sign -Wno-unused -Wno-switch -Wno-char-subscripts -c -o sparc-tdep.o -MT sparc-tdep.o -MMD -MP -MF .deps/sparc-tdep.Tpo ../../gdb-6.8.91/gdb/sparc-tdep.c In file included from /usr/include/string.h:641, from gnulib/string.h:24, from ../../gdb-6.8.91/gdb/gdb_string.h:26, from ../../gdb-6.8.91/gdb/vec.h:26, from ../../gdb-6.8.91/gdb/breakpoint.h:26, from ../../gdb-6.8.91/gdb/inferior.h:37, from ../../gdb-6.8.91/gdb/sparc-tdep.c:32: In function 'memcpy', inlined from 'sparc32_store_return_value' at ../../gdb-6.8.91/gdb/sparc-tdep.c:1112, inlined from 'sparc32_return_value' at ../../gdb-6.8.91/gdb/sparc-tdep.c:1170: /usr/include/bits/string3.h:52: warning: call to __builtin___memcpy_chk will always overflow destination buffer The patch below is what I am including into the rtems-gdb patches. I don't have write access to gdb-cvs, and would appreciate it, if somebody else would apply the patch for me. TIA, Ralf --------------080204090003010503040108 Content-Type: text/plain; name="sparc-gdb-6.8.91-gdb-sim.diff" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="sparc-gdb-6.8.91-gdb-sim.diff" Content-length: 871 MjAwOS0wOS0xNwlSYWxmIENvcnPDqXBpdXMgPHJhbGYuY29yc2VwaXVzQHJ0 ZW1zLm9yZz4KCgkqIHNwYXJjLXRkZXAuYyAoc3BhcmMzMl9zdG9yZV9yZXR1 cm5fdmFsdWUpOiBVc2Ugc2l6ZV90IGFzIAoJcmV0dXJuIHR5cGUgb2YgVFlQ RV9MRU5HVEgodHlwZSkuCgoKZGlmZiAtTmF1ciBnZGItNi44LjkxLm9yaWcv Z2RiL3NwYXJjLXRkZXAuYyBnZGItNi44LjkxL2dkYi9zcGFyYy10ZGVwLmMK LS0tIGdkYi02LjguOTEub3JpZy9nZGIvc3BhcmMtdGRlcC5jCTIwMDktMDkt MDcgMTk6NTI6NDEuMDAwMDAwMDAwICswMjAwCisrKyBnZGItNi44LjkxL2dk Yi9zcGFyYy10ZGVwLmMJMjAwOS0wOS0xNyAwMzo0Mzo0OC4wMDAwMDAwMDAg KzAyMDAKQEAgLTExMDAsNyArMTEwMCw3IEBACiBzcGFyYzMyX3N0b3JlX3Jl dHVybl92YWx1ZSAoc3RydWN0IHR5cGUgKnR5cGUsIHN0cnVjdCByZWdjYWNo ZSAqcmVnY2FjaGUsCiAJCQkgICAgY29uc3QgZ2RiX2J5dGUgKnZhbGJ1ZikK IHsKLSAgaW50IGxlbiA9IFRZUEVfTEVOR1RIICh0eXBlKTsKKyAgc2l6ZV90 IGxlbiA9IFRZUEVfTEVOR1RIICh0eXBlKTsKICAgZ2RiX2J5dGUgYnVmWzhd OwogCiAgIGdkYl9hc3NlcnQgKCFzcGFyY19zdHJ1Y3R1cmVfb3JfdW5pb25f cCAodHlwZSkpOwo= --------------080204090003010503040108--