From patchwork Tue Feb 14 08:41:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: stsp X-Patchwork-Id: 55491 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 03A5B3858280 for ; Tue, 14 Feb 2023 08:44:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 03A5B3858280 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1676364241; bh=IQeoZMYgKf+pQac1gTl3ZPNBeOOZyCHwI5oAlwtX+Dc=; h=To:Cc:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From:Reply-To:From; b=H7E5rpDYQABw7E7A3uUq2G91mGczgABm04hInQNiX/gIsmDb6ExrqAmEsyntpwV+o GH5QusnokfoQ4KTiq7X3Z3pvU5PscxgQh9OxWXocjsjEsvCbxtRsXAkrXegDruet/A /VQZ9dcX7gP8M/DbMV/v3mXdr5KxuwTlk2XZFvqI= X-Original-To: libc-alpha@sourceware.org Delivered-To: libc-alpha@sourceware.org Received: from forward107p.mail.yandex.net (forward107p.mail.yandex.net [77.88.28.115]) by sourceware.org (Postfix) with ESMTPS id 4B4703858412 for ; Tue, 14 Feb 2023 08:43:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 4B4703858412 Received: from myt5-18b0513eae63.qloud-c.yandex.net (myt5-18b0513eae63.qloud-c.yandex.net [IPv6:2a02:6b8:c12:571f:0:640:18b0:513e]) by forward107p.mail.yandex.net (Yandex) with ESMTP id AB6965571DB3 for ; Tue, 14 Feb 2023 11:41:30 +0300 (MSK) Received: by myt5-18b0513eae63.qloud-c.yandex.net (smtp/Yandex) with ESMTPSA id TfeMal0YnuQ1-WCPptVBg; Tue, 14 Feb 2023 11:41:30 +0300 X-Yandex-Fwd: 1 To: libc-alpha@sourceware.org Cc: Stas Sergeev Subject: [PATCH v4 0/2] implement dlmem() function Date: Tue, 14 Feb 2023 13:41:21 +0500 Message-Id: <20230214084123.2056067-1-stsp2@yandex.ru> X-Mailer: git-send-email 2.37.2 MIME-Version: 1.0 X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) 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: Stas Sergeev via Libc-alpha From: stsp Reply-To: Stas Sergeev Errors-To: libc-alpha-bounces+patchwork=sourceware.org@sourceware.org Sender: "Libc-alpha" Changes in v4: - re-target to GLIBC_2.38 - add tst-auditdlmem.c test-case to test auditing - drop length page-aligning in tst-dlmem: mmap() aligns length on its own - bugfix: in do_mmapcpy() allow mmaps past end of buffer Changes in v3: - Changed prototype of dlmem() (and all the internal machinery) to use "const unsigned char *buffer" instead of "const char *buffer". Changes in v2: - use instead of "../test-skeleton.c" - re-target to GLIBC_2.37 - update all libc.abilist files Patch 1: fix memory management bug in _dl_new_object() Patch 2: implement dlmem() itself Stas Sergeev (2): elf: strdup() l_name if no realname [BZ #30100] dlfcn,elf: implement dlmem() function [BZ #11767] dlfcn/Makefile | 5 +- dlfcn/Versions | 3 + dlfcn/dlmem.c | 105 +++ dlfcn/tst-dlmem.c | 92 ++ elf/dl-load.c | 862 +++++++++++------- elf/dl-load.h | 8 +- elf/dl-main.h | 20 + elf/dl-map-segments.h | 23 +- elf/dl-object.c | 2 +- elf/dl-open.c | 37 +- elf/rtld.c | 1 + include/dlfcn.h | 4 + manual/dynlink.texi | 1 + sysdeps/generic/ldsodefs.h | 7 + sysdeps/mach/hurd/i386/libc.abilist | 1 + sysdeps/unix/sysv/linux/aarch64/libc.abilist | 1 + sysdeps/unix/sysv/linux/alpha/libc.abilist | 1 + sysdeps/unix/sysv/linux/arc/libc.abilist | 1 + sysdeps/unix/sysv/linux/arm/be/libc.abilist | 1 + sysdeps/unix/sysv/linux/arm/le/libc.abilist | 1 + sysdeps/unix/sysv/linux/csky/libc.abilist | 1 + sysdeps/unix/sysv/linux/hppa/libc.abilist | 1 + sysdeps/unix/sysv/linux/i386/libc.abilist | 1 + sysdeps/unix/sysv/linux/ia64/libc.abilist | 1 + .../sysv/linux/loongarch/lp64/libc.abilist | 1 + .../sysv/linux/m68k/coldfire/libc.abilist | 1 + .../unix/sysv/linux/m68k/m680x0/libc.abilist | 1 + .../sysv/linux/microblaze/be/libc.abilist | 1 + .../sysv/linux/microblaze/le/libc.abilist | 1 + .../sysv/linux/mips/mips32/fpu/libc.abilist | 1 + .../sysv/linux/mips/mips32/nofpu/libc.abilist | 1 + .../sysv/linux/mips/mips64/n32/libc.abilist | 1 + .../sysv/linux/mips/mips64/n64/libc.abilist | 1 + sysdeps/unix/sysv/linux/nios2/libc.abilist | 1 + sysdeps/unix/sysv/linux/or1k/libc.abilist | 1 + .../linux/powerpc/powerpc32/fpu/libc.abilist | 1 + .../powerpc/powerpc32/nofpu/libc.abilist | 1 + .../linux/powerpc/powerpc64/be/libc.abilist | 1 + .../linux/powerpc/powerpc64/le/libc.abilist | 1 + .../unix/sysv/linux/riscv/rv32/libc.abilist | 1 + .../unix/sysv/linux/riscv/rv64/libc.abilist | 1 + .../unix/sysv/linux/s390/s390-32/libc.abilist | 1 + .../unix/sysv/linux/s390/s390-64/libc.abilist | 1 + sysdeps/unix/sysv/linux/sh/be/libc.abilist | 1 + sysdeps/unix/sysv/linux/sh/le/libc.abilist | 1 + .../sysv/linux/sparc/sparc32/libc.abilist | 1 + .../sysv/linux/sparc/sparc64/libc.abilist | 1 + .../unix/sysv/linux/x86_64/64/libc.abilist | 1 + .../unix/sysv/linux/x86_64/x32/libc.abilist | 1 + 49 files changed, 860 insertions(+), 345 deletions(-) create mode 100644 dlfcn/dlmem.c create mode 100644 dlfcn/tst-dlmem.c