From patchwork Thu Mar 12 18:33:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vineet Gupta X-Patchwork-Id: 38534 Return-Path: X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from smtprelay-out1.synopsys.com (smtprelay-out1.synopsys.com [149.117.73.133]) by sourceware.org (Postfix) with ESMTPS id 0826439450F8 for ; Thu, 12 Mar 2020 18:33:35 +0000 (GMT) Received: from mailhost.synopsys.com (sv2-mailhost2.synopsys.com [10.205.2.134]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by smtprelay-out1.synopsys.com (Postfix) with ESMTPS id 19B3243B8C; Thu, 12 Mar 2020 18:33:33 +0000 (UTC) Received: from vineetg-Latitude-E7450.internal.synopsys.com (vineetg-latitude-e7450.internal.synopsys.com [10.10.161.32]) by mailhost.synopsys.com (Postfix) with ESMTP id 9F283A00A4; Thu, 12 Mar 2020 18:33:26 +0000 (UTC) From: Vineet Gupta To: libc-alpha@sourceware.org Cc: linux-snps-arc@lists.infradead.org, Vineet Gupta Subject: [PATCH v2] Force 64-bit time based syscalls for TIMESIZE==64 Date: Thu, 12 Mar 2020 11:33:25 -0700 Message-Id: <20200312183325.594-1-vgupta@synopsys.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <87r1yjhv8l.fsf@oldenburg2.str.redhat.com> References: <87r1yjhv8l.fsf@oldenburg2.str.redhat.com> MIME-Version: 1.0 X-Spam-Status: No, score=-27.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Mar 2020 18:33:36 -0000 Signed-off-by: Vineet Gupta --- Changes since v1 - don't redirect these to 64-bit variants --- sysdeps/unix/sysv/linux/generic/sysdep.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/sysdeps/unix/sysv/linux/generic/sysdep.h b/sysdeps/unix/sysv/linux/generic/sysdep.h index 40b4b955ca1b..21facbad818a 100644 --- a/sysdeps/unix/sysv/linux/generic/sysdep.h +++ b/sysdeps/unix/sysv/linux/generic/sysdep.h @@ -17,6 +17,7 @@ . */ #include +#include #include #include #include @@ -25,3 +26,25 @@ #ifdef __NR_llseek # define __NR__llseek __NR_llseek #endif + +#if __WORDSIZE == 32 && __TIMESIZE == 64 + +/* Don't provide 32-bit time syscalls. + Older variants of asm-generic ABIs can provide those (e.g. ARC). */ + +# undef __NR_futex +# undef __NR_rt_sigtimedwait +# undef __NR_ppoll +# undef __NR_utimensat +# undef __NR_pselect6 +# undef __NR_recvmmsg +# undef __NR_semtimedop +# undef __NR_mq_timedreceive +# undef __NR_mq_timedsend +# undef __NR_clock_getres +# undef __NR_timerfd_settime +# undef __NR_timerfd_gettime +# undef __NR_sched_rr_get_interval +# undef __NR_clock_adjtime + +#endif