From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-x42f.google.com (mail-pf1-x42f.google.com [IPv6:2607:f8b0:4864:20::42f]) by sourceware.org (Postfix) with ESMTPS id 06EE43858D33 for ; Sat, 20 Mar 2021 19:20:35 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 06EE43858D33 Received: by mail-pf1-x42f.google.com with SMTP id q5so8217381pfh.10 for ; Sat, 20 Mar 2021 12:20:34 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=Y9B+aYAer3a6JZ8esqHS8TBDU3vedhIN6EUXgGSW0kA=; b=dOkXsi34hjDjJ3D2t4k2q3I6pA3dsPDXeEG7ybnfPCldVcSdQPKq0vPINbBbl5L947 +YOB6VMAru63ndPzt3b6NJvHrlnYqYFZNIGjOWPJTfQ9hec5zO6IG4+o/+gn4TGMP5aQ DP0Rdik6izCXb85eyQlJZrqPy2mzeFOAV76aanqWfC7x0ghlKLLY3USJt5oQZt8opIRW ApMZYp4UC+hJstj/z6WcF6g3uRhBF2Orp9eVOQ3QeI0de3qHRQxGIHpfOAcAOmuZcMWx Dm1pe38lNmmTH3APvj8LblRKRHVjP2E5HmbXXvmy9+AfxAzYXhSnzS4KXo7Jn8WYKaJB OqPA== X-Gm-Message-State: AOAM532y/lVXF8u0caui0KzVCFFbavnwg+8is7BehPM/hgfsJp51GPpc xC1/InjYLxjnxZp0Es1z7mo= X-Google-Smtp-Source: ABdhPJz3crGs/NHMJiX69OnOTYV8XoW2pnzhiBOwQx4lcynEbZn0BtK6fLXjIpSADW7jaIwgBbN9aw== X-Received: by 2002:a05:6a00:14cc:b029:200:5f06:2ded with SMTP id w12-20020a056a0014ccb02902005f062dedmr14560697pfu.65.1616268034159; Sat, 20 Mar 2021 12:20:34 -0700 (PDT) Received: from gnu-cfl-2.localdomain ([172.56.38.37]) by smtp.gmail.com with ESMTPSA id j21sm9095721pfc.114.2021.03.20.12.20.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 Mar 2021 12:20:33 -0700 (PDT) Received: from gnu-cfl-2.?040none?041 (localhost [IPv6:::1]) by gnu-cfl-2.localdomain (Postfix) with ESMTP id 3654B1A015E; Sat, 20 Mar 2021 12:20:32 -0700 (PDT) From: "H.J. Lu" To: libc-alpha@sourceware.org Cc: Florian Weimer , Joseph Myers , Vedvyas Shanbhogue , "Kirill A . Shutemov" , Szabolcs Nagy Subject: RFC [PATCH v3 0/2] : An API for tagged address Date: Sat, 20 Mar 2021 12:20:29 -0700 Message-Id: <20210320192031.713194-1-hjl.tools@gmail.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-3030.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP 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: Sat, 20 Mar 2021 19:20:36 -0000 Changes in v3: 1. set_tagged_address_mask can be only called once before main. 2. Add more tests. --- By default, the number of the address bits used in address translation is the number of address bits. But it can be changed by ARM Top-byte Ignore (TBI) or Intel Linear Address Masking (LAM). provides an API for tagged address manipulation. H.J. Lu (2): : An API for tagged address : Update libc.abilist files NEWS | 2 + bits/tagged-address.h | 28 +++++++++ csu/libc-start.c | 3 + elf/dl-support.c | 5 ++ include/sys/tagged-address.h | 9 +++ manual/Makefile | 3 +- manual/ctype.texi | 2 +- manual/memory.texi | 2 +- manual/tagged-address.texi | 58 +++++++++++++++++++ misc/Makefile | 33 +++++++++-- misc/Versions | 7 +++ misc/set-tagged-address-mask.c | 41 +++++++++++++ misc/sys/tagged-address.h | 56 ++++++++++++++++++ misc/tagged-address.c | 55 ++++++++++++++++++ misc/tst-tagged-address-1-static.c | 1 + misc/tst-tagged-address-1.c | 53 +++++++++++++++++ misc/tst-tagged-address-2-static.c | 1 + misc/tst-tagged-address-2.c | 44 ++++++++++++++ misc/tst-tagged-address-3-static.c | 1 + misc/tst-tagged-address-3.c | 48 +++++++++++++++ misc/tst-tagged-address-4-static.c | 1 + misc/tst-tagged-address-4.c | 35 +++++++++++ misc/tst-tagged-address-5.c | 25 ++++++++ misc/tst-tagged-address-6.c | 34 +++++++++++ misc/tst-tagged-address-7.c | 40 +++++++++++++ misc/tst-tagged-address-mod-5.c | 45 ++++++++++++++ misc/tst-tagged-address-mod-6.c | 34 +++++++++++ misc/tst-tagged-address-mod-7.c | 34 +++++++++++ sysdeps/generic/inline-tagged-address.h | 43 ++++++++++++++ sysdeps/generic/ldsodefs.h | 4 ++ sysdeps/mach/hurd/i386/libc.abilist | 5 ++ sysdeps/unix/sysv/linux/aarch64/libc.abilist | 5 ++ sysdeps/unix/sysv/linux/alpha/libc.abilist | 5 ++ sysdeps/unix/sysv/linux/arc/libc.abilist | 5 ++ sysdeps/unix/sysv/linux/arm/be/libc.abilist | 5 ++ sysdeps/unix/sysv/linux/arm/le/libc.abilist | 5 ++ sysdeps/unix/sysv/linux/csky/libc.abilist | 5 ++ sysdeps/unix/sysv/linux/hppa/libc.abilist | 5 ++ sysdeps/unix/sysv/linux/i386/libc.abilist | 5 ++ sysdeps/unix/sysv/linux/ia64/libc.abilist | 5 ++ .../sysv/linux/m68k/coldfire/libc.abilist | 5 ++ .../unix/sysv/linux/m68k/m680x0/libc.abilist | 5 ++ .../sysv/linux/microblaze/be/libc.abilist | 5 ++ .../sysv/linux/microblaze/le/libc.abilist | 5 ++ .../sysv/linux/mips/mips32/fpu/libc.abilist | 5 ++ .../sysv/linux/mips/mips32/nofpu/libc.abilist | 5 ++ .../sysv/linux/mips/mips64/n32/libc.abilist | 5 ++ .../sysv/linux/mips/mips64/n64/libc.abilist | 5 ++ sysdeps/unix/sysv/linux/nios2/libc.abilist | 5 ++ .../linux/powerpc/powerpc32/fpu/libc.abilist | 5 ++ .../powerpc/powerpc32/nofpu/libc.abilist | 5 ++ .../linux/powerpc/powerpc64/be/libc.abilist | 5 ++ .../linux/powerpc/powerpc64/le/libc.abilist | 5 ++ .../unix/sysv/linux/riscv/rv32/libc.abilist | 5 ++ .../unix/sysv/linux/riscv/rv64/libc.abilist | 5 ++ .../unix/sysv/linux/s390/s390-32/libc.abilist | 5 ++ .../unix/sysv/linux/s390/s390-64/libc.abilist | 5 ++ sysdeps/unix/sysv/linux/sh/be/libc.abilist | 5 ++ sysdeps/unix/sysv/linux/sh/le/libc.abilist | 5 ++ .../sysv/linux/sparc/sparc32/libc.abilist | 5 ++ .../sysv/linux/sparc/sparc64/libc.abilist | 5 ++ .../unix/sysv/linux/x86_64/64/libc.abilist | 5 ++ .../unix/sysv/linux/x86_64/x32/libc.abilist | 5 ++ 63 files changed, 904 insertions(+), 8 deletions(-) create mode 100644 bits/tagged-address.h create mode 100644 include/sys/tagged-address.h create mode 100644 manual/tagged-address.texi create mode 100644 misc/set-tagged-address-mask.c create mode 100644 misc/sys/tagged-address.h create mode 100644 misc/tagged-address.c create mode 100644 misc/tst-tagged-address-1-static.c create mode 100644 misc/tst-tagged-address-1.c create mode 100644 misc/tst-tagged-address-2-static.c create mode 100644 misc/tst-tagged-address-2.c create mode 100644 misc/tst-tagged-address-3-static.c create mode 100644 misc/tst-tagged-address-3.c create mode 100644 misc/tst-tagged-address-4-static.c create mode 100644 misc/tst-tagged-address-4.c create mode 100644 misc/tst-tagged-address-5.c create mode 100644 misc/tst-tagged-address-6.c create mode 100644 misc/tst-tagged-address-7.c create mode 100644 misc/tst-tagged-address-mod-5.c create mode 100644 misc/tst-tagged-address-mod-6.c create mode 100644 misc/tst-tagged-address-mod-7.c create mode 100644 sysdeps/generic/inline-tagged-address.h -- 2.30.2