From patchwork Fri Oct 22 18:37:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Noah Goldstein X-Patchwork-Id: 46537 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id CE11F3858416 for ; Fri, 22 Oct 2021 18:38:31 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CE11F3858416 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1634927911; bh=1ZPhSBFN9zM4D0Vqglx2cg0CAO3L5cUrskbGavsaUVE=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=qVtcmF2K9W8K/3fFdrRVrgZ22SF9mhPhJrJdbIyWuvwrCZ5qqADQLmTwwLvl4O0ph X0bWUYzwU+FIaN2ZW+aNoWXOMMUeR+A1LSNR93n2gQWcL3MThchHwhlQGjUUniu0jM 9/1M/al0l2Gnuw0WKElMwPB3D+tdsu1muzPWPGuw= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from mail-il1-x12c.google.com (mail-il1-x12c.google.com [IPv6:2607:f8b0:4864:20::12c]) by sourceware.org (Postfix) with ESMTPS id 5C1383857C52 for ; Fri, 22 Oct 2021 18:38:09 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 5C1383857C52 Received: by mail-il1-x12c.google.com with SMTP id j3so5282259ilr.6 for ; Fri, 22 Oct 2021 11:38:09 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=1ZPhSBFN9zM4D0Vqglx2cg0CAO3L5cUrskbGavsaUVE=; b=S2kCWI0yKFUVKde40XQmngJxHGaQCAn+tH2+OJ05Z+C6j+hgFzQ1O3JwuNb5T2ejfi J2sK222utRRgZ472re9Aze1RqbAhJkpF6RaACO36ac17rx82O26uMIpesmhEEtyrL6VR Mpeffw5eMcqJb4q5OzBTILbuyZ7jJlbH6Dt+3ls6Y5GBrxGenO5DLry0mKu0AbK/LQES NQE6mq7GXra7RGeOII5TK0iLEKXIZejV4mm58pndHH0ReUu17EMrTU3KbmqFwCCDyxvl Au9s3MmHPEDxuj5m3TVrZPWrJlxrMldisarfTaY/t+0o6BVJ3CH6LhqDsH86wBUzdWDR C/aQ== X-Gm-Message-State: AOAM530pkxxi246nUvXMmR6TInknGSsm3Slkx+d6ga/ftE1rpQTtmt0a B+mCes3VxzkEFJeo2nWHDZeDP/n6IRQ= X-Google-Smtp-Source: ABdhPJwDCjITQD5JjmCXWuYMnl/0huFGghTkMTw2lI536XKmPUzUZd74ZQuTbC4NWIMf4h/nINqmmA== X-Received: by 2002:a05:6e02:1d8b:: with SMTP id h11mr998741ila.94.1634927888532; Fri, 22 Oct 2021 11:38:08 -0700 (PDT) Received: from localhost.localdomain (node-17-161.flex.volo.net. [76.191.17.161]) by smtp.googlemail.com with ESMTPSA id w11sm4460094ior.40.2021.10.22.11.38.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Oct 2021 11:38:08 -0700 (PDT) To: libc-alpha@sourceware.org Subject: [PATCH v11 2/4] String: Add hidden defs for __memcmpeq() to enable internal usage Date: Fri, 22 Oct 2021 13:37:17 -0500 Message-Id: <20211022183718.1860579-2-goldstein.w.n@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210927203827.2852935-1-goldstein.w.n@gmail.com> References: <20210927203827.2852935-1-goldstein.w.n@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-11.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) 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-Patchwork-Original-From: Noah Goldstein via Libc-alpha From: Noah Goldstein Reply-To: Noah Goldstein Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" No bug. This commit adds hidden defs for all declarations of __memcmpeq. This enables usage of __memcmpeq without the PLT for usage internal to GLIBC. --- include/string.h | 1 + string/memcmp.c | 1 + sysdeps/aarch64/memcmp.S | 1 + sysdeps/csky/abiv2/memcmp.S | 1 + sysdeps/i386/i686/memcmp.S | 1 + sysdeps/i386/i686/multiarch/memcmp.c | 1 + sysdeps/i386/memcmp.S | 1 + sysdeps/ia64/memcmp.S | 1 + sysdeps/powerpc/powerpc32/405/memcmp.S | 1 + sysdeps/powerpc/powerpc32/power4/memcmp.S | 1 + sysdeps/powerpc/powerpc32/power7/memcmp.S | 1 + sysdeps/powerpc/powerpc64/le/power10/memcmp.S | 1 + sysdeps/powerpc/powerpc64/power4/memcmp.S | 1 + sysdeps/powerpc/powerpc64/power7/memcmp.S | 1 + sysdeps/powerpc/powerpc64/power8/memcmp.S | 1 + sysdeps/s390/memcmp-z900.S | 1 + sysdeps/s390/memcmp.c | 1 + sysdeps/sparc/sparc64/memcmp.S | 1 + sysdeps/x86_64/memcmp.S | 1 + sysdeps/x86_64/multiarch/memcmp.c | 1 + 20 files changed, 20 insertions(+) diff --git a/include/string.h b/include/string.h index 81dab39891..21f641a413 100644 --- a/include/string.h +++ b/include/string.h @@ -112,6 +112,7 @@ extern char *__strsep_g (char **__stringp, const char *__delim); libc_hidden_proto (__strsep_g) libc_hidden_proto (strnlen) libc_hidden_proto (__strnlen) +libc_hidden_proto (__memcmpeq) libc_hidden_proto (memmem) extern __typeof (memmem) __memmem; libc_hidden_proto (__memmem) diff --git a/string/memcmp.c b/string/memcmp.c index 6e93a3128f..dc1a94e6ea 100644 --- a/string/memcmp.c +++ b/string/memcmp.c @@ -360,4 +360,5 @@ libc_hidden_builtin_def(memcmp) weak_alias (memcmp, bcmp) # undef __memcmpeq strong_alias (memcmp, __memcmpeq) +libc_hidden_def (__memcmpeq) #endif diff --git a/sysdeps/aarch64/memcmp.S b/sysdeps/aarch64/memcmp.S index 37f37b9191..5dc4ee5f0b 100644 --- a/sysdeps/aarch64/memcmp.S +++ b/sysdeps/aarch64/memcmp.S @@ -180,3 +180,4 @@ weak_alias (memcmp, bcmp) #undef __memcmpeq strong_alias (memcmp, __memcmpeq) libc_hidden_builtin_def (memcmp) +libc_hidden_def (__memcmpeq) diff --git a/sysdeps/csky/abiv2/memcmp.S b/sysdeps/csky/abiv2/memcmp.S index 2a4ae577b0..9aacfd4cab 100644 --- a/sysdeps/csky/abiv2/memcmp.S +++ b/sysdeps/csky/abiv2/memcmp.S @@ -140,4 +140,5 @@ END (memcmp) weak_alias (memcmp, bcmp) strong_alias (memcmp, __memcmpeq) libc_hidden_def (memcmp) +libc_hidden_def (__memcmpeq) .weak memcmp diff --git a/sysdeps/i386/i686/memcmp.S b/sysdeps/i386/i686/memcmp.S index acc702bd34..c5e4453898 100644 --- a/sysdeps/i386/i686/memcmp.S +++ b/sysdeps/i386/i686/memcmp.S @@ -414,3 +414,4 @@ weak_alias (memcmp, __memcmpeq) strong_alias (memcmp, __memcmpeq) #endif libc_hidden_builtin_def (memcmp) +libc_hidden_def (__memcmpeq) diff --git a/sysdeps/i386/i686/multiarch/memcmp.c b/sysdeps/i386/i686/multiarch/memcmp.c index 3b2815edbc..eb7cb9f2e2 100644 --- a/sysdeps/i386/i686/multiarch/memcmp.c +++ b/sysdeps/i386/i686/multiarch/memcmp.c @@ -30,4 +30,5 @@ libc_ifunc_redirected (__redirect_memcmp, memcmp, IFUNC_SELECTOR ()); weak_alias (memcmp, bcmp) strong_alias (memcmp, __memcmpeq) +libc_hidden_def (__memcmpeq) #endif diff --git a/sysdeps/i386/memcmp.S b/sysdeps/i386/memcmp.S index 02473c2c0c..f224db4681 100644 --- a/sysdeps/i386/memcmp.S +++ b/sysdeps/i386/memcmp.S @@ -73,3 +73,4 @@ weak_alias (memcmp, bcmp) #undef __memcmpeq strong_alias (memcmp, __memcmpeq) libc_hidden_builtin_def (memcmp) +libc_hidden_def (__memcmpeq) diff --git a/sysdeps/ia64/memcmp.S b/sysdeps/ia64/memcmp.S index 7722908751..3ab04d4f8a 100644 --- a/sysdeps/ia64/memcmp.S +++ b/sysdeps/ia64/memcmp.S @@ -162,3 +162,4 @@ END(memcmp) weak_alias (memcmp, bcmp) strong_alias (memcmp, __memcmpeq) libc_hidden_builtin_def (memcmp) +libc_hidden_def (__memcmpeq) diff --git a/sysdeps/powerpc/powerpc32/405/memcmp.S b/sysdeps/powerpc/powerpc32/405/memcmp.S index c2836040a7..339091be0d 100644 --- a/sysdeps/powerpc/powerpc32/405/memcmp.S +++ b/sysdeps/powerpc/powerpc32/405/memcmp.S @@ -127,3 +127,4 @@ END (memcmp) libc_hidden_builtin_def (memcmp) weak_alias (memcmp,bcmp) strong_alias (memcmp, __memcmpeq) +libc_hidden_def (__memcmpeq) diff --git a/sysdeps/powerpc/powerpc32/power4/memcmp.S b/sysdeps/powerpc/powerpc32/power4/memcmp.S index f58e34aba5..0df97dbf49 100644 --- a/sysdeps/powerpc/powerpc32/power4/memcmp.S +++ b/sysdeps/powerpc/powerpc32/power4/memcmp.S @@ -1374,3 +1374,4 @@ END (memcmp) libc_hidden_builtin_def (memcmp) weak_alias (memcmp, bcmp) strong_alias (memcmp, __memcmpeq) +libc_hidden_def (__memcmpeq) diff --git a/sysdeps/powerpc/powerpc32/power7/memcmp.S b/sysdeps/powerpc/powerpc32/power7/memcmp.S index f8deb4e32c..25be9a7f51 100644 --- a/sysdeps/powerpc/powerpc32/power7/memcmp.S +++ b/sysdeps/powerpc/powerpc32/power7/memcmp.S @@ -1374,3 +1374,4 @@ END (memcmp) libc_hidden_builtin_def (memcmp) weak_alias (memcmp, bcmp) strong_alias (memcmp, __memcmpeq) +libc_hidden_def (__memcmpeq) diff --git a/sysdeps/powerpc/powerpc64/le/power10/memcmp.S b/sysdeps/powerpc/powerpc64/le/power10/memcmp.S index f81c73a29c..b0cd3ddde7 100644 --- a/sysdeps/powerpc/powerpc64/le/power10/memcmp.S +++ b/sysdeps/powerpc/powerpc64/le/power10/memcmp.S @@ -178,3 +178,4 @@ END (MEMCMP) libc_hidden_builtin_def (memcmp) weak_alias (memcmp, bcmp) strong_alias (memcmp, __memcmpeq) +libc_hidden_def (__memcmpeq) diff --git a/sysdeps/powerpc/powerpc64/power4/memcmp.S b/sysdeps/powerpc/powerpc64/power4/memcmp.S index cc82be115f..3731bb0a73 100644 --- a/sysdeps/powerpc/powerpc64/power4/memcmp.S +++ b/sysdeps/powerpc/powerpc64/power4/memcmp.S @@ -1375,3 +1375,4 @@ END (MEMCMP) libc_hidden_builtin_def (memcmp) weak_alias (memcmp, bcmp) strong_alias (memcmp, __memcmpeq) +libc_hidden_def (__memcmpeq) diff --git a/sysdeps/powerpc/powerpc64/power7/memcmp.S b/sysdeps/powerpc/powerpc64/power7/memcmp.S index 3044f7ede9..29ae19d843 100644 --- a/sysdeps/powerpc/powerpc64/power7/memcmp.S +++ b/sysdeps/powerpc/powerpc64/power7/memcmp.S @@ -1060,3 +1060,4 @@ END (MEMCMP) libc_hidden_builtin_def (memcmp) weak_alias (memcmp, bcmp) strong_alias (memcmp, __memcmpeq) +libc_hidden_def (__memcmpeq) diff --git a/sysdeps/powerpc/powerpc64/power8/memcmp.S b/sysdeps/powerpc/powerpc64/power8/memcmp.S index 0c6a154502..897a5713ce 100644 --- a/sysdeps/powerpc/powerpc64/power8/memcmp.S +++ b/sysdeps/powerpc/powerpc64/power8/memcmp.S @@ -1443,3 +1443,4 @@ END (MEMCMP) libc_hidden_builtin_def (memcmp) weak_alias (memcmp, bcmp) strong_alias (memcmp, __memcmpeq) +libc_hidden_def (__memcmpeq) diff --git a/sysdeps/s390/memcmp-z900.S b/sysdeps/s390/memcmp-z900.S index d625bf90dd..5808f9365d 100644 --- a/sysdeps/s390/memcmp-z900.S +++ b/sysdeps/s390/memcmp-z900.S @@ -165,6 +165,7 @@ END(MEMCMP_Z196) strong_alias (MEMCMP_DEFAULT, memcmp) weak_alias (memcmp, bcmp) strong_alias (memcmp, __memcmpeq) +libc_hidden_def (__memcmpeq) #endif #if defined SHARED && IS_IN (libc) diff --git a/sysdeps/s390/memcmp.c b/sysdeps/s390/memcmp.c index 52c20af772..cc58279389 100644 --- a/sysdeps/s390/memcmp.c +++ b/sysdeps/s390/memcmp.c @@ -47,4 +47,5 @@ s390_libc_ifunc_expr (__redirect_memcmp, memcmp, ) weak_alias (memcmp, bcmp); strong_alias (memcmp, __memcmpeq) +libc_hidden_def (__memcmpeq) #endif diff --git a/sysdeps/sparc/sparc64/memcmp.S b/sysdeps/sparc/sparc64/memcmp.S index fefeee5f5d..d237945554 100644 --- a/sysdeps/sparc/sparc64/memcmp.S +++ b/sysdeps/sparc/sparc64/memcmp.S @@ -140,3 +140,4 @@ weak_alias (memcmp, bcmp) #undef __memcmpeq strong_alias (memcmp, __memcmpeq) libc_hidden_builtin_def (memcmp) +libc_hidden_def (__memcmpeq) diff --git a/sysdeps/x86_64/memcmp.S b/sysdeps/x86_64/memcmp.S index 2fa79edd47..7e77c4e5a1 100644 --- a/sysdeps/x86_64/memcmp.S +++ b/sysdeps/x86_64/memcmp.S @@ -366,3 +366,4 @@ weak_alias (memcmp, __memcmpeq) strong_alias (memcmp, __memcmpeq) #endif libc_hidden_builtin_def (memcmp) +libc_hidden_builtin_def (__memcmpeq) diff --git a/sysdeps/x86_64/multiarch/memcmp.c b/sysdeps/x86_64/multiarch/memcmp.c index 4a3aad2c9c..7b3409b1dd 100644 --- a/sysdeps/x86_64/multiarch/memcmp.c +++ b/sysdeps/x86_64/multiarch/memcmp.c @@ -31,6 +31,7 @@ libc_ifunc_redirected (__redirect_memcmp, memcmp, IFUNC_SELECTOR ()); weak_alias (memcmp, bcmp) # undef __memcmpeq strong_alias (memcmp, __memcmpeq) +libc_hidden_def (__memcmpeq) # ifdef SHARED __hidden_ver1 (memcmp, __GI_memcmp, __redirect_memcmp)