riscv: Check that vdso does not contain any dynamic relocations

.github/scripts/patches.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+# SPDX-FileCopyrightText: 2023 Rivos Inc.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -euo pipefail
+
+d=$(dirname "${BASH_SOURCE[0]}")
+
+parallel_log=$(mktemp -p /build)
+basesha=$(git log -1 --pretty=%H .github/scripts/patches.sh)
+patches=( $(git rev-list --reverse ${basesha}..HEAD) )
+
+echo "git-tip begin"
+git log -1 $(git log -1 --pretty=%H .github/scripts/patches.sh)^
+echo "git-tip end"
+
+patch_tot=${#patches[@]}
+rc=0
+cnt=1
+
+(while true ; do sleep 30; echo .; done) &
+progress=$!
+
+parallel -j 4 --joblog ${parallel_log} --colsep=, bash ${d}/patches/patch_tester.sh \
+	 {1} {2} {3} :::: <(
+    for i in "${patches[@]}"; do
+        echo ${i},${cnt},${patch_tot}
+        cnt=$(( cnt + 1 ))
+    done) || rc=1
+kill $progress
+cat ${parallel_log}
+

.github/scripts/patches/patch_tester.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+# SPDX-FileCopyrightText: 2023 Rivos Inc.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+set -euo pipefail
+
+d=$(dirname "${BASH_SOURCE[0]}")
+
+sha1=$1
+patch_num=$2
+patch_tot=$3
+
+worktree=$(mktemp -d -p /build)
+git worktree add $worktree ${sha1} &>/dev/null
+cd $worktree
+
+rc=0
+tests=( $(ls ${d}/tests/*.sh) )
+tcnt=1
+for j in "${tests[@]}"; do
+    git reset --hard ${sha1} &>/dev/null
+    msg="Patch ${patch_num}/${patch_tot}: Test ${tcnt}/${#tests[@]}: ${j}"
+    echo "::group::${msg}"
+    testrc=0
+    bash ${j} || testrc=$?
+    echo "::endgroup::"
+    if (( $testrc == 250 )); then
+        rc=1
+        echo "::warning::WARN ${msg}"
+    elif (( $testrc )); then
+        rc=1
+        echo "::error::FAIL ${msg}"
+    else
+        echo "::notice::OK ${msg}"
+    fi
+    tcnt=$(( tcnt + 1 ))
+done
+
+git worktree remove $worktree &>/dev/null || true
+
+exit $rc

.github/scripts/patches/tests/build_rv32_defconfig.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (c) 2022 by Rivos Inc.
+
+tmpdir=build
+tmpfile=$(mktemp -p /build)
+rc=0
+
+tuxmake --wrapper ccache --target-arch riscv --directory . \
+        --environment=KBUILD_BUILD_TIMESTAMP=@1621270510 \
+        --environment=KBUILD_BUILD_USER=tuxmake --environment=KBUILD_BUILD_HOST=tuxmake \
+        -o $tmpdir --toolchain llvm -z none -k rv32_defconfig \
+        CROSS_COMPILE=riscv64-linux- \
+        >$tmpfile 2>/dev/null || rc=1
+
+if [ $rc -ne 0 ]; then
+        grep "\(warning\|error\):" $tmpfile
+fi
+
+rm -rf $tmpdir $tmpfile
+
+exit $rc

.github/scripts/patches/tests/build_rv64_clang_allmodconfig.sh

@@ -0,0 +1,108 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (C) 2019 Netronome Systems, Inc.
+
+# Modified tests/patch/build_defconfig_warn.sh for RISC-V builds
+
+tmpfile_e=$(mktemp -p /build)
+tmpfile_o=$(mktemp -p /build)
+tmpfile_n=$(mktemp -p /build)
+
+tmpdir_b=build_llvm
+tmpdir_o=output
+
+rc=0
+
+echo "Redirect to $tmpfile_o and $tmpfile_n"
+
+HEAD=$(git rev-parse HEAD)
+
+echo "Tree base:"
+git log -1 --pretty='%h ("%s")' HEAD~
+
+echo "Building the whole tree with the patch"
+
+tuxmake --wrapper ccache --target-arch riscv -e PATH=$PATH --directory . \
+        --environment=KBUILD_BUILD_TIMESTAMP=@1621270510 \
+        --environment=KBUILD_BUILD_USER=tuxmake --environment=KBUILD_BUILD_HOST=tuxmake \
+        -o $tmpdir_o -b $tmpdir_b --toolchain llvm -z none --kconfig allmodconfig \
+        -K CONFIG_WERROR=n -K CONFIG_RANDSTRUCT_NONE=y -K CONFIG_SAMPLES=n W=1 \
+        CROSS_COMPILE=riscv64-linux- \
+        config default \
+        >$tmpfile_e 2>/dev/null || rc=1
+
+if [ $rc -eq 1 ]; then
+        grep "\(error\):" $tmpfile_e
+        rm -rf $tmpdir_o $tmpfile_o $tmpfile_n $tmpdir_b $tmpfile_e
+        exit $rc
+fi
+
+current=$(grep -c "\(warning\|error\):" $tmpfile_n)
+
+git checkout -q HEAD~
+
+echo "Building the tree before the patch"
+
+tuxmake --wrapper ccache --target-arch riscv -e PATH=$PATH --directory . \
+        --environment=KBUILD_BUILD_TIMESTAMP=@1621270510 \
+        --environment=KBUILD_BUILD_USER=tuxmake --environment=KBUILD_BUILD_HOST=tuxmake \
+        -o $tmpdir_o -b $tmpdir_b --toolchain llvm -z none --kconfig allmodconfig \
+        -K CONFIG_WERROR=n -K CONFIG_RANDSTRUCT_NONE=y W=1 \
+        CROSS_COMPILE=riscv64-linux- \
+        config default \
+        >$tmpfile_o 2>/dev/null
+
+incumbent=$(grep -c "\(warning\|error\):" $tmpfile_o)
+
+git checkout -q $HEAD
+
+echo "Building the tree with the patch"
+
+tuxmake --wrapper ccache --target-arch riscv -e PATH=$PATH --directory . \
+        --environment=KBUILD_BUILD_TIMESTAMP=@1621270510 \
+        --environment=KBUILD_BUILD_USER=tuxmake --environment=KBUILD_BUILD_HOST=tuxmake \
+        -o $tmpdir_o -b $tmpdir_b --toolchain llvm -z none --kconfig allmodconfig \
+        -K CONFIG_WERROR=n -K CONFIG_RANDSTRUCT_NONE=y W=1 \
+        CROSS_COMPILE=riscv64-linux- \
+        config default \
+        >$tmpfile_n 2>/dev/null || rc=1
+
+if [ $rc -eq 1 ]; then
+        grep "\(warning\|error\):" $tmpfile_n
+        rm -rf $tmpdir_o $tmpfile_o $tmpfile_n $tmpdir_b
+        exit $rc
+fi
+
+current=$(grep -c "\(warning\|error\):" $tmpfile_n)
+
+if [ $current -gt $incumbent ]; then
+        echo "New errors added:"
+
+        tmpfile_errors_before=$(mktemp -p /build)
+        tmpfile_errors_now=$(mktemp -p /build)
+        grep "\(warning\|error\):" $tmpfile_o | sort | uniq -c > $tmpfile_errors_before
+        grep "\(warning\|error\):" $tmpfile_n | sort | uniq -c > $tmpfile_errors_now
+
+        diff -U 0 $tmpfile_errors_before $tmpfile_errors_now
+
+        rm $tmpfile_errors_before $tmpfile_errors_now
+
+        echo "Per-file breakdown"
+        tmpfile_fo=$(mktemp -p /build)
+        tmpfile_fn=$(mktemp -p /build)
+
+        grep "\(warning\|error\):" $tmpfile_o | sed -n 's@\(^\.\./[/a-zA-Z0-9_.-]*.[ch]\):.*@\1@p' | sort | uniq -c \
+          > $tmpfile_fo
+        grep "\(warning\|error\):" $tmpfile_n | sed -n 's@\(^\.\./[/a-zA-Z0-9_.-]*.[ch]\):.*@\1@p' | sort | uniq -c \
+          > $tmpfile_fn
+
+        diff -U 0 $tmpfile_fo $tmpfile_fn
+        rm $tmpfile_fo $tmpfile_fn
+        echo "pre: $incumbent post: $current"
+        rc=1
+fi
+
+rm -rf $tmpdir_o $tmpfile_o $tmpfile_n $tmpdir_b $tmpfile_e
+
+exit $rc

.github/scripts/patches/tests/build_rv64_gcc_allmodconfig.sh

@@ -0,0 +1,107 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (C) 2019 Netronome Systems, Inc.
+
+# Modified tests/patch/build_defconfig_warn.sh for RISC-V builds
+
+tmpfile_e=$(mktemp -p /build)
+tmpfile_o=$(mktemp -p /build)
+tmpfile_n=$(mktemp -p /build)
+
+tmpdir_b=build_gcc
+tmpdir_o=output
+
+rc=0
+
+echo "Redirect to $tmpfile_o and $tmpfile_n"
+
+HEAD=$(git rev-parse HEAD)
+
+echo "Tree base:"
+git log -1 --pretty='%h ("%s")' HEAD~
+
+echo "Building the whole tree with the patch"
+
+tuxmake --wrapper ccache --target-arch riscv -e PATH=$PATH --directory . \
+        --environment=KBUILD_BUILD_TIMESTAMP=@1621270510 \
+        --environment=KBUILD_BUILD_USER=tuxmake --environment=KBUILD_BUILD_HOST=tuxmake \
+        -o $tmpdir_o -b $tmpdir_b --toolchain gcc -z none --kconfig allmodconfig \
+        -K CONFIG_WERROR=n -K CONFIG_GCC_PLUGINS=n W=1 \
+        CROSS_COMPILE=riscv64-linux- \
+        config default \
+        >$tmpfile_e 2>/dev/null || rc=1
+
+if [ $rc -eq 1 ]; then
+        grep "\(error\):" $tmpfile_e
+        rm -rf $tmpdir_o $tmpfile_o $tmpfile_n $tmpdir_b $tmpfile_e
+        exit $rc
+fi
+
+git checkout -q HEAD~
+
+echo "Building the tree before the patch"
+
+tuxmake --wrapper ccache --target-arch riscv -e PATH=$PATH --directory . \
+        --environment=KBUILD_BUILD_TIMESTAMP=@1621270510 \
+        --environment=KBUILD_BUILD_USER=tuxmake --environment=KBUILD_BUILD_HOST=tuxmake \
+        -o $tmpdir_o -b $tmpdir_b --toolchain gcc -z none --kconfig allmodconfig \
+        -K CONFIG_WERROR=n -K CONFIG_GCC_PLUGINS=n W=1 \
+        CROSS_COMPILE=riscv64-linux- \
+        config default \
+        >$tmpfile_o 2>/dev/null
+
+incumbent=$(grep -c "\(warning\|error\):" $tmpfile_o)
+
+git checkout -q $HEAD
+
+echo "Building the tree with the patch"
+
+tuxmake --wrapper ccache --target-arch riscv -e PATH=$PATH --directory . \
+        --environment=KBUILD_BUILD_TIMESTAMP=@1621270510 \
+        --environment=KBUILD_BUILD_USER=tuxmake --environment=KBUILD_BUILD_HOST=tuxmake \
+        -o $tmpdir_o -b $tmpdir_b --toolchain gcc -z none --kconfig allmodconfig \
+        -K CONFIG_WERROR=n -K CONFIG_GCC_PLUGINS=n W=1 \
+        CROSS_COMPILE=riscv64-linux- \
+        config default \
+        >$tmpfile_n 2>/dev/null || rc=1
+
+if [ $rc -eq 1 ]; then
+        grep "\(warning\|error\):" $tmpfile_n
+        rm -rf $tmpdir_o $tmpfile_o $tmpfile_n $tmpdir_b
+        exit $rc
+fi
+
+current=$(grep -c "\(warning\|error\):" $tmpfile_n)
+
+if [ $current -gt $incumbent ]; then
+        echo "New errors added:"
+
+        tmpfile_errors_before=$(mktemp -p /build)
+        tmpfile_errors_now=$(mktemp -p /build)
+        grep "\(warning\|error\):" $tmpfile_o | sort | uniq -c > $tmpfile_errors_before
+        grep "\(warning\|error\):" $tmpfile_n | sort | uniq -c > $tmpfile_errors_now
+
+        diff -U 0 $tmpfile_errors_before $tmpfile_errors_now
+
+        rm $tmpfile_errors_before $tmpfile_errors_now
+
+        echo "Per-file breakdown"
+        tmpfile_fo=$(mktemp -p /build)
+        tmpfile_fn=$(mktemp -p /build)
+
+        grep "\(warning\|error\):" $tmpfile_o | sed -n 's@\(^\.\./[/a-zA-Z0-9_.-]*.[ch]\):.*@\1@p' | sort | uniq -c \
+          > $tmpfile_fo
+        grep "\(warning\|error\):" $tmpfile_n | sed -n 's@\(^\.\./[/a-zA-Z0-9_.-]*.[ch]\):.*@\1@p' | sort | uniq -c \
+          > $tmpfile_fn
+
+        diff -U 0 $tmpfile_fo $tmpfile_fn
+        rm $tmpfile_fo $tmpfile_fn
+        echo "pre: $incumbent post: $current"
+
+        rc=1
+fi
+
+rm -rf $tmpdir_o $tmpfile_o $tmpfile_n $tmpdir_b $tmpfile_e
+
+exit $rc

.github/scripts/patches/tests/build_rv64_nommu_k210_defconfig.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (c) 2022 by Rivos Inc.
+
+tmpdir=$(mktemp -d -p /build)
+tmpfile=$(mktemp -p /build)
+rc=0
+
+tuxmake --wrapper ccache --target-arch riscv --directory . \
+        --environment=KBUILD_BUILD_TIMESTAMP=@1621270510 \
+        --environment=KBUILD_BUILD_USER=tuxmake --environment=KBUILD_BUILD_HOST=tuxmake \
+        -o $tmpdir --toolchain gcc -z none -k nommu_k210_defconfig \
+        CROSS_COMPILE=riscv64-linux- \
+        >$tmpfile 2>/dev/null || rc=1
+
+if [ $rc -ne 0 ]; then
+        grep "\(warning\|error\):" $tmpfile
+fi
+
+rm -rf $tmpdir $tmpfile
+
+exit $rc

.github/scripts/patches/tests/build_rv64_nommu_virt_defconfig.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright (c) 2022 by Rivos Inc.
+
+tmpdir=$(mktemp -d -p /build)
+tmpfile=$(mktemp -p /build)
+rc=0
+
+tuxmake --wrapper ccache --target-arch riscv --directory . \
+        --environment=KBUILD_BUILD_TIMESTAMP=@1621270510 \
+        --environment=KBUILD_BUILD_USER=tuxmake --environment=KBUILD_BUILD_HOST=tuxmake \
+        -o $tmpdir --toolchain gcc -z none -k nommu_virt_defconfig \
+        CROSS_COMPILE=riscv64-linux- \
+        >$tmpfile 2>/dev/null || rc=1
+
+if [ $rc -ne 0 ]; then
+        grep "\(warning\|error\):" $tmpfile
+fi
+
+rm -rf $tmpdir $tmpfile
+
+exit $rc