From 8c4958cd53ce9265c2639dd3a90d38848edc3895 Mon Sep 17 00:00:00 2001 From: Khem Raj Date: Thu, 10 Jun 2021 19:44:35 -0700 Subject: libssp-nonshared: Use a different implementation for __stack_chk_fail Signed-off-by: Khem Raj Signed-off-by: Richard Purdie --- meta/recipes-core/musl/libssp-nonshared.bb | 11 +++--- .../recipes-core/musl/libssp-nonshared/ssp-local.c | 45 ---------------------- .../recipes-core/musl/libssp-nonshared/stack_chk.c | 40 +++++++++++++++++++ 3 files changed, 46 insertions(+), 50 deletions(-) delete mode 100644 meta/recipes-core/musl/libssp-nonshared/ssp-local.c create mode 100644 meta/recipes-core/musl/libssp-nonshared/stack_chk.c diff --git a/meta/recipes-core/musl/libssp-nonshared.bb b/meta/recipes-core/musl/libssp-nonshared.bb index bae8c81cc7..81c87e8e8d 100644 --- a/meta/recipes-core/musl/libssp-nonshared.bb +++ b/meta/recipes-core/musl/libssp-nonshared.bb @@ -2,11 +2,12 @@ # Released under the MIT license (see COPYING.MIT for the terms) SUMMARY = "Minimal libssp_nonshared.a must needed for ssp to work with gcc on musl" -LICENSE = "GPL-3.0-with-GCC-exception" -LIC_FILES_CHKSUM = "file://ssp-local.c;beginline=1;endline=32;md5=c06d391208c0cfcbc541a6728ed65cc4" +LICENSE = "BSD-3-Clause" +LIC_FILES_CHKSUM = "file://stack_chk.c;beginline=1;endline=30;md5=97e59d9deee678a9332c9ddb2ab6360d" SECTION = "libs" -SRC_URI = "file://ssp-local.c" +# Sourced from https://github.com/intel/linux-sgx/blob/master/sdk/compiler-rt/stack_chk.c +SRC_URI = "file://stack_chk.c" INHIBIT_DEFAULT_DEPS = "1" @@ -19,8 +20,8 @@ do_configure[noexec] = "1" S = "${WORKDIR}" do_compile() { - ${CC} ${CPPFLAGS} ${CFLAGS} -fPIE -c ssp-local.c -o ssp-local.o - ${AR} r libssp_nonshared.a ssp-local.o + ${CC} ${CPPFLAGS} ${CFLAGS} -fPIE -c stack_chk.c -o stack_chk.o + ${AR} r libssp_nonshared.a stack_chk.o } do_install() { install -Dm 0644 ${B}/libssp_nonshared.a ${D}${base_libdir}/libssp_nonshared.a diff --git a/meta/recipes-core/musl/libssp-nonshared/ssp-local.c b/meta/recipes-core/musl/libssp-nonshared/ssp-local.c deleted file mode 100644 index 8f51afa2c1..0000000000 --- a/meta/recipes-core/musl/libssp-nonshared/ssp-local.c +++ /dev/null @@ -1,45 +0,0 @@ -/* Stack protector support. - Copyright (C) 2005-2018 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 3, or (at your option) any later -version. - -In addition to the permissions in the GNU General Public License, the -Free Software Foundation gives you unlimited permission to link the -compiled version of this file into combinations with other programs, -and to distribute those combinations without any restriction coming -from the use of this file. (The General Public License restrictions -do apply in other respects; for example, they cover modification of -the file, and distribution when not linked into a combine -executable.) - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -extern void __stack_chk_fail (void); - -/* Some targets can avoid loading a GP for calls to hidden functions. - Using this entry point may avoid the load of a GP entirely for the - function, making the overall code smaller. */ - -void -__attribute__((visibility ("hidden"))) -__stack_chk_fail_local (void) -{ - __stack_chk_fail (); -} diff --git a/meta/recipes-core/musl/libssp-nonshared/stack_chk.c b/meta/recipes-core/musl/libssp-nonshared/stack_chk.c new file mode 100644 index 0000000000..097aae24b6 --- /dev/null +++ b/meta/recipes-core/musl/libssp-nonshared/stack_chk.c @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2011-2021 Intel Corporation. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +extern void __attribute__((noreturn)) __stack_chk_fail(void); + +void +__attribute__((noreturn)) +__attribute__((visibility ("hidden"))) +__stack_chk_fail_local (void) +{ + __stack_chk_fail (); +} -- cgit 1.2.3-korg