[for-9.2,0/6] linux-user: Fix elf load and vdso alignment

Message ID	20241112203757.804320-1-richard.henderson@linaro.org
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; From: Richard Henderson <richard.henderson@linaro.org> To: qemu-devel@nongnu.org Subject: [PATCH for-9.2 0/6] linux-user: Fix elf load and vdso alignment Date: Tue, 12 Nov 2024 12:37:51 -0800 Message-ID: <20241112203757.804320-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::52e; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action Precedence: list Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org
Series	linux-user: Fix elf load and vdso alignment \| expand [for-9.2,0/6] linux-user: Fix elf load and vdso alignment [1/6] linux-user: Honor elf alignment when placing images [2/6] linux-user: Drop image_info.alignment [3/6] linux-user/aarch64: Reduce vdso alignment to 4k [4/6] linux-user/arm: Reduce vdso alignment to 4k [5/6] linux-user/loongarch64: Reduce vdso alignment to 4k [6/6] linux-user/ppc: Reduce vdso alignment to 4k

Message ID

20241112203757.804320-1-richard.henderson@linaro.org

Headers

Received-SPF: pass (google.com: domain of
 qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as
 permitted sender) client-ip=209.51.188.17;
From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PATCH for-9.2 0/6] linux-user: Fix elf load and vdso alignment
Date: Tue, 12 Nov 2024 12:37:51 -0800
Message-ID: <20241112203757.804320-1-richard.henderson@linaro.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Received-SPF: pass client-ip=2607:f8b0:4864:20::52e;
 envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52e.google.com
X-Spam_score_int: -20
X-Spam_score: -2.1
X-Spam_bar: --
X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,
 DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,
 RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,
 SPF_PASS=-0.001 autolearn=ham autolearn_force=no
X-Spam_action: no action
X-BeenThere: qemu-devel@nongnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
 <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
 <mailto:qemu-devel-request@nongnu.org?subject=subscribe>
Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org
Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org

Series

linux-user: Fix elf load and vdso alignment | expand

Message

Richard Henderson Nov. 12, 2024, 8:37 p.m. UTC

GDB picked up that we weren't properly honoring alignment.
After fixing that, reduce vdso alignment to minimum page size.


r~


Richard Henderson (6):
  linux-user: Honor elf alignment when placing images
  linux-user: Drop image_info.alignment
  linux-user/aarch64: Reduce vdso alignment to 4k
  linux-user/arm: Reduce vdso alignment to 4k
  linux-user/loongarch64: Reduce vdso alignment to 4k
  linux-user/ppc: Reduce vdso alignment to 4k

 linux-user/qemu.h                    |   1 -
 linux-user/elfload.c                 |  38 ++++++++++++++++++++-------
 linux-user/aarch64/Makefile.vdso     |   5 ++--
 linux-user/aarch64/vdso-be.so        | Bin 3224 -> 3224 bytes
 linux-user/aarch64/vdso-le.so        | Bin 3224 -> 3224 bytes
 linux-user/arm/Makefile.vdso         |   2 +-
 linux-user/arm/vdso-be.so            | Bin 2648 -> 2648 bytes
 linux-user/arm/vdso-le.so            | Bin 2648 -> 2648 bytes
 linux-user/loongarch64/Makefile.vdso |   3 ++-
 linux-user/loongarch64/vdso.so       | Bin 3560 -> 3560 bytes
 linux-user/ppc/Makefile.vdso         |   6 +++--
 linux-user/ppc/vdso-32.so            | Bin 3020 -> 3020 bytes
 linux-user/ppc/vdso-64.so            | Bin 3896 -> 3896 bytes
 linux-user/ppc/vdso-64le.so          | Bin 3896 -> 3896 bytes
 14 files changed, 39 insertions(+), 16 deletions(-)