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-rw-r--r--tools/testing/selftests/nolibc/.gitignore1
-rw-r--r--tools/testing/selftests/nolibc/Makefile65
-rw-r--r--tools/testing/selftests/nolibc/nolibc-test.c47
-rwxr-xr-xtools/testing/selftests/nolibc/run-tests.sh169
4 files changed, 261 insertions, 21 deletions
diff --git a/tools/testing/selftests/nolibc/.gitignore b/tools/testing/selftests/nolibc/.gitignore
index 5119f9f7af..35d247a0d5 100644
--- a/tools/testing/selftests/nolibc/.gitignore
+++ b/tools/testing/selftests/nolibc/.gitignore
@@ -3,4 +3,5 @@
/libc-test
/nolibc-test
/run.out
+/run.out.*
/sysroot/
diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile
index a0fc07253b..40dd952280 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -1,9 +1,16 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for nolibc tests
include ../../../scripts/Makefile.include
+include ../../../scripts/utilities.mak
# We need this for the "cc-option" macro.
include ../../../build/Build.include
+ifneq ($(O),)
+ifneq ($(call is-absolute,$(O)),y)
+$(error Only absolute O= parameters are supported)
+endif
+endif
+
# we're in ".../tools/testing/selftests/nolibc"
ifeq ($(srctree),)
srctree := $(patsubst %/tools/testing/selftests/,%,$(dir $(CURDIR)))
@@ -14,6 +21,8 @@ include $(srctree)/scripts/subarch.include
ARCH = $(SUBARCH)
endif
+objtree ?= $(srctree)
+
# XARCH extends the kernel's ARCH with a few variants of the same
# architecture that only differ by the configuration, the toolchain
# and the Qemu program used. It is copied as-is into ARCH except for
@@ -31,12 +40,15 @@ endif
# configure default variants for target kernel supported architectures
XARCH_powerpc = ppc
+XARCH_mips = mips32le
XARCH = $(or $(XARCH_$(ARCH)),$(ARCH))
# map from user input variants to their kernel supported architectures
ARCH_ppc = powerpc
ARCH_ppc64 = powerpc
ARCH_ppc64le = powerpc
+ARCH_mips32le = mips
+ARCH_mips32be = mips
ARCH := $(or $(ARCH_$(XARCH)),$(XARCH))
# kernel image names by architecture
@@ -45,14 +57,15 @@ IMAGE_x86_64 = arch/x86/boot/bzImage
IMAGE_x86 = arch/x86/boot/bzImage
IMAGE_arm64 = arch/arm64/boot/Image
IMAGE_arm = arch/arm/boot/zImage
-IMAGE_mips = vmlinuz
+IMAGE_mips32le = vmlinuz
+IMAGE_mips32be = vmlinuz
IMAGE_ppc = vmlinux
IMAGE_ppc64 = vmlinux
IMAGE_ppc64le = arch/powerpc/boot/zImage
IMAGE_riscv = arch/riscv/boot/Image
IMAGE_s390 = arch/s390/boot/bzImage
IMAGE_loongarch = arch/loongarch/boot/vmlinuz.efi
-IMAGE = $(IMAGE_$(XARCH))
+IMAGE = $(objtree)/$(IMAGE_$(XARCH))
IMAGE_NAME = $(notdir $(IMAGE))
# default kernel configurations that appear to be usable
@@ -61,7 +74,8 @@ DEFCONFIG_x86_64 = defconfig
DEFCONFIG_x86 = defconfig
DEFCONFIG_arm64 = defconfig
DEFCONFIG_arm = multi_v7_defconfig
-DEFCONFIG_mips = malta_defconfig
+DEFCONFIG_mips32le = malta_defconfig
+DEFCONFIG_mips32be = malta_defconfig
DEFCONFIG_ppc = pmac32_defconfig
DEFCONFIG_ppc64 = powernv_be_defconfig
DEFCONFIG_ppc64le = powernv_defconfig
@@ -70,6 +84,9 @@ DEFCONFIG_s390 = defconfig
DEFCONFIG_loongarch = defconfig
DEFCONFIG = $(DEFCONFIG_$(XARCH))
+EXTRACONFIG_mips32be = -d CONFIG_CPU_LITTLE_ENDIAN -e CONFIG_CPU_BIG_ENDIAN
+EXTRACONFIG = $(EXTRACONFIG_$(XARCH))
+
# optional tests to run (default = all)
TEST =
@@ -79,7 +96,8 @@ QEMU_ARCH_x86_64 = x86_64
QEMU_ARCH_x86 = x86_64
QEMU_ARCH_arm64 = aarch64
QEMU_ARCH_arm = arm
-QEMU_ARCH_mips = mipsel # works with malta_defconfig
+QEMU_ARCH_mips32le = mipsel # works with malta_defconfig
+QEMU_ARCH_mips32be = mips
QEMU_ARCH_ppc = ppc
QEMU_ARCH_ppc64 = ppc64
QEMU_ARCH_ppc64le = ppc64
@@ -88,20 +106,31 @@ QEMU_ARCH_s390 = s390x
QEMU_ARCH_loongarch = loongarch64
QEMU_ARCH = $(QEMU_ARCH_$(XARCH))
+QEMU_ARCH_USER_ppc64le = ppc64le
+QEMU_ARCH_USER = $(or $(QEMU_ARCH_USER_$(XARCH)),$(QEMU_ARCH_$(XARCH)))
+
+QEMU_BIOS_DIR = /usr/share/edk2/
+QEMU_BIOS_loongarch = $(QEMU_BIOS_DIR)/loongarch64/OVMF_CODE.fd
+
+ifneq ($(QEMU_BIOS_$(XARCH)),)
+QEMU_ARGS_BIOS = -bios $(QEMU_BIOS_$(XARCH))
+endif
+
# QEMU_ARGS : some arch-specific args to pass to qemu
QEMU_ARGS_i386 = -M pc -append "console=ttyS0,9600 i8042.noaux panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_x86_64 = -M pc -append "console=ttyS0,9600 i8042.noaux panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_x86 = -M pc -append "console=ttyS0,9600 i8042.noaux panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_arm64 = -M virt -cpu cortex-a53 -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_arm = -M virt -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)"
-QEMU_ARGS_mips = -M malta -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)"
+QEMU_ARGS_mips32le = -M malta -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)"
+QEMU_ARGS_mips32be = -M malta -append "panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_ppc = -M g3beige -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_ppc64 = -M powernv -append "console=hvc0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_ppc64le = -M powernv -append "console=hvc0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_riscv = -M virt -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_s390 = -M s390-ccw-virtio -m 1G -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
QEMU_ARGS_loongarch = -M virt -append "console=ttyS0,115200 panic=-1 $(TEST:%=NOLIBC_TEST=%)"
-QEMU_ARGS = $(QEMU_ARGS_$(XARCH)) $(QEMU_ARGS_EXTRA)
+QEMU_ARGS = $(QEMU_ARGS_$(XARCH)) $(QEMU_ARGS_BIOS) $(QEMU_ARGS_EXTRA)
# OUTPUT is only set when run from the main makefile, otherwise
# it defaults to this nolibc directory.
@@ -118,7 +147,8 @@ CFLAGS_ppc = -m32 -mbig-endian -mno-vsx $(call cc-option,-mmultiple)
CFLAGS_ppc64 = -m64 -mbig-endian -mno-vsx $(call cc-option,-mmultiple)
CFLAGS_ppc64le = -m64 -mlittle-endian -mno-vsx $(call cc-option,-mabi=elfv2)
CFLAGS_s390 = -m64
-CFLAGS_mips = -EL
+CFLAGS_mips32le = -EL -mabi=32 -fPIC
+CFLAGS_mips32be = -EB -mabi=32
CFLAGS_STACKPROTECTOR ?= $(call cc-option,-mstack-protector-guard=global $(call cc-option,-fstack-protector-all))
CFLAGS ?= -Os -fno-ident -fno-asynchronous-unwind-tables -std=c89 -W -Wall -Wextra \
$(call cc-option,-fno-stack-protector) \
@@ -167,7 +197,8 @@ sysroot: sysroot/$(ARCH)/include
sysroot/$(ARCH)/include:
$(Q)rm -rf sysroot/$(ARCH) sysroot/sysroot
$(QUIET_MKDIR)mkdir -p sysroot
- $(Q)$(MAKE) -C ../../../include/nolibc ARCH=$(ARCH) OUTPUT=$(CURDIR)/sysroot/ headers_standalone
+ $(Q)$(MAKE) -C $(srctree) outputmakefile
+ $(Q)$(MAKE) -C $(srctree)/tools/include/nolibc ARCH=$(ARCH) OUTPUT=$(CURDIR)/sysroot/ headers_standalone
$(Q)mv sysroot/sysroot sysroot/$(ARCH)
ifneq ($(NOLIBC_SYSROOT),0)
@@ -177,7 +208,7 @@ nolibc-test: nolibc-test.c nolibc-test-linkage.c sysroot/$(ARCH)/include
else
nolibc-test: nolibc-test.c nolibc-test-linkage.c
$(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \
- -nostdlib -static -include ../../../include/nolibc/nolibc.h nolibc-test.c nolibc-test-linkage.c -lgcc
+ -nostdlib -static -include $(srctree)/tools/include/nolibc/nolibc.h nolibc-test.c nolibc-test-linkage.c -lgcc
endif
libc-test: nolibc-test.c nolibc-test-linkage.c
@@ -195,11 +226,11 @@ run-nolibc-test: nolibc-test
# qemu user-land test
run-user: nolibc-test
- $(Q)qemu-$(QEMU_ARCH) ./nolibc-test > "$(CURDIR)/run.out" || :
+ $(Q)qemu-$(QEMU_ARCH_USER) ./nolibc-test > "$(CURDIR)/run.out" || :
$(Q)$(REPORT) $(CURDIR)/run.out
initramfs.cpio: kernel nolibc-test
- $(QUIET_GEN)echo 'file /init nolibc-test 755 0 0' | $(srctree)/usr/gen_init_cpio - > initramfs.cpio
+ $(QUIET_GEN)echo 'file /init nolibc-test 755 0 0' | $(objtree)/usr/gen_init_cpio - > initramfs.cpio
initramfs: nolibc-test
$(QUIET_MKDIR)mkdir -p initramfs
@@ -208,21 +239,25 @@ initramfs: nolibc-test
defconfig:
$(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) mrproper $(DEFCONFIG) prepare
+ $(Q)if [ -n "$(EXTRACONFIG)" ]; then \
+ $(srctree)/scripts/config --file $(objtree)/.config $(EXTRACONFIG); \
+ $(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) olddefconfig < /dev/null; \
+ fi
kernel:
- $(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(IMAGE_NAME)
+ $(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(IMAGE_NAME) < /dev/null
kernel-standalone: initramfs
- $(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(IMAGE_NAME) CONFIG_INITRAMFS_SOURCE=$(CURDIR)/initramfs
+ $(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(IMAGE_NAME) CONFIG_INITRAMFS_SOURCE=$(CURDIR)/initramfs < /dev/null
# run the tests after building the kernel
run: kernel initramfs.cpio
- $(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(srctree)/$(IMAGE)" -initrd initramfs.cpio -serial stdio $(QEMU_ARGS) > "$(CURDIR)/run.out"
+ $(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(IMAGE)" -initrd initramfs.cpio -serial stdio $(QEMU_ARGS) > "$(CURDIR)/run.out"
$(Q)$(REPORT) $(CURDIR)/run.out
# re-run the tests from an existing kernel
rerun:
- $(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(srctree)/$(IMAGE)" -initrd initramfs.cpio -serial stdio $(QEMU_ARGS) > "$(CURDIR)/run.out"
+ $(Q)qemu-system-$(QEMU_ARCH) -display none -no-reboot -kernel "$(IMAGE)" -initrd initramfs.cpio -serial stdio $(QEMU_ARGS) > "$(CURDIR)/run.out"
$(Q)$(REPORT) $(CURDIR)/run.out
# report with existing test log
diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index e173014f6b..6ba4f8275a 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -22,6 +22,7 @@
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/reboot.h>
+#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/sysmacros.h>
@@ -130,11 +131,17 @@ static const char *errorname(int err)
}
}
-static void putcharn(char c, size_t n)
+static void align_result(size_t llen)
{
- char buf[64];
+ const size_t align = 64;
+ char buf[align];
+ size_t n;
- memset(buf, c, n);
+ if (llen >= align)
+ return;
+
+ n = align - llen;
+ memset(buf, ' ', n);
buf[n] = '\0';
fputs(buf, stdout);
}
@@ -156,8 +163,7 @@ static void result(int llen, enum RESULT r)
else
msg = " [FAIL]";
- if (llen < 64)
- putcharn(' ', 64 - llen);
+ align_result(llen);
puts(msg);
}
@@ -834,6 +840,33 @@ int test_pipe(void)
return !!memcmp(buf, msg, len);
}
+int test_rlimit(void)
+{
+ struct rlimit rlim = {
+ .rlim_cur = 1 << 20,
+ .rlim_max = 1 << 21,
+ };
+ int ret;
+
+ ret = setrlimit(RLIMIT_CORE, &rlim);
+ if (ret)
+ return -1;
+
+ rlim.rlim_cur = 0;
+ rlim.rlim_max = 0;
+
+ ret = getrlimit(RLIMIT_CORE, &rlim);
+ if (ret)
+ return -1;
+
+ if (rlim.rlim_cur != 1 << 20)
+ return -1;
+ if (rlim.rlim_max != 1 << 21)
+ return -1;
+
+ return 0;
+}
+
/* Run syscall tests between IDs <min> and <max>.
* Return 0 on success, non-zero on failure.
@@ -905,7 +938,6 @@ int run_syscall(int min, int max)
CASE_TEST(gettimeofday_tv_tz);EXPECT_SYSZR(1, gettimeofday(&tv, &tz)); break;
CASE_TEST(getpagesize); EXPECT_SYSZR(1, test_getpagesize()); break;
CASE_TEST(ioctl_tiocinq); EXPECT_SYSZR(1, ioctl(0, TIOCINQ, &tmp)); break;
- CASE_TEST(ioctl_tiocinq); EXPECT_SYSZR(1, ioctl(0, TIOCINQ, &tmp)); break;
CASE_TEST(link_root1); EXPECT_SYSER(1, link("/", "/"), -1, EEXIST); break;
CASE_TEST(link_blah); EXPECT_SYSER(1, link("/proc/self/blah", "/blah"), -1, ENOENT); break;
CASE_TEST(link_dir); EXPECT_SYSER(euid0, link("/", "/blah"), -1, EPERM); break;
@@ -924,6 +956,7 @@ int run_syscall(int min, int max)
CASE_TEST(poll_fault); EXPECT_SYSER(1, poll(NULL, 1, 0), -1, EFAULT); break;
CASE_TEST(prctl); EXPECT_SYSER(1, prctl(PR_SET_NAME, (unsigned long)NULL, 0, 0, 0), -1, EFAULT); break;
CASE_TEST(read_badf); EXPECT_SYSER(1, read(-1, &tmp, 1), -1, EBADF); break;
+ CASE_TEST(rlimit); EXPECT_SYSZR(1, test_rlimit()); break;
CASE_TEST(rmdir_blah); EXPECT_SYSER(1, rmdir("/blah"), -1, ENOENT); break;
CASE_TEST(sched_yield); EXPECT_SYSZR(1, sched_yield()); break;
CASE_TEST(select_null); EXPECT_SYSZR(1, ({ struct timeval tv = { 0 }; select(0, NULL, NULL, NULL, &tv); })); break;
@@ -1133,6 +1166,7 @@ static int run_protection(int min __attribute__((unused)),
{
pid_t pid;
int llen = 0, status;
+ struct rlimit rlimit = { 0, 0 };
llen += printf("0 -fstackprotector ");
@@ -1164,6 +1198,7 @@ static int run_protection(int min __attribute__((unused)),
close(STDERR_FILENO);
prctl(PR_SET_DUMPABLE, 0, 0, 0, 0);
+ setrlimit(RLIMIT_CORE, &rlimit);
smash_stack();
return 1;
diff --git a/tools/testing/selftests/nolibc/run-tests.sh b/tools/testing/selftests/nolibc/run-tests.sh
new file mode 100755
index 0000000000..c0a5a7cea9
--- /dev/null
+++ b/tools/testing/selftests/nolibc/run-tests.sh
@@ -0,0 +1,169 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# Test runner for nolibc tests
+
+set -e
+
+trap 'echo Aborting...' 'ERR'
+
+crosstool_version=13.2.0
+hostarch=x86_64
+nproc=$(( $(nproc) + 2))
+cache_dir="${XDG_CACHE_HOME:-"$HOME"/.cache}"
+download_location="${cache_dir}/crosstools/"
+build_location="$(realpath "${cache_dir}"/nolibc-tests/)"
+perform_download=0
+test_mode=system
+archs="i386 x86_64 arm64 arm mips32le mips32be ppc ppc64 ppc64le riscv s390 loongarch"
+
+TEMP=$(getopt -o 'j:d:c:b:a:m:ph' -n "$0" -- "$@")
+
+eval set -- "$TEMP"
+unset TEMP
+
+print_usage() {
+ cat <<EOF
+Run nolibc testsuite for multiple architectures with crosstools
+
+Usage:
+ $0 [options] <architectures>
+
+Known architectures:
+ ${archs}
+
+Options:
+ -j [N] Allow N jobs at once (default: ${nproc})
+ -p Allow download of toolchains
+ -d [DIR] Download location for toolchains (default: ${download_location})
+ -c [VERSION] Version of toolchains to use (default: ${crosstool_version})
+ -a [ARCH] Host architecture of toolchains to use (default: ${hostarch})
+ -b [DIR] Build location (default: ${build_location})
+ -m [MODE] Test mode user/system (default: ${test_mode})
+EOF
+}
+
+while true; do
+ case "$1" in
+ '-j')
+ nproc="$2"
+ shift 2; continue ;;
+ '-p')
+ perform_download=1
+ shift; continue ;;
+ '-d')
+ download_location="$2"
+ shift 2; continue ;;
+ '-c')
+ crosstool_version="$2"
+ shift 2; continue ;;
+ '-a')
+ hostarch="$2"
+ shift 2; continue ;;
+ '-b')
+ build_location="$(realpath "$2")"
+ shift 2; continue ;;
+ '-m')
+ test_mode="$2"
+ shift 2; continue ;;
+ '-h')
+ print_usage
+ exit 0
+ ;;
+ '--')
+ shift; break ;;
+ *)
+ echo 'Internal error!' >&2; exit 1 ;;
+ esac
+done
+
+if [[ -n "$*" ]]; then
+ archs="$*"
+fi
+
+crosstool_arch() {
+ case "$1" in
+ arm64) echo aarch64;;
+ ppc) echo powerpc;;
+ ppc64) echo powerpc64;;
+ ppc64le) echo powerpc64;;
+ riscv) echo riscv64;;
+ loongarch) echo loongarch64;;
+ mips*) echo mips;;
+ *) echo "$1";;
+ esac
+}
+
+crosstool_abi() {
+ case "$1" in
+ arm) echo linux-gnueabi;;
+ *) echo linux;;
+ esac
+}
+
+download_crosstool() {
+ arch="$(crosstool_arch "$1")"
+ abi="$(crosstool_abi "$1")"
+
+ archive_name="${hostarch}-gcc-${crosstool_version}-nolibc-${arch}-${abi}.tar.gz"
+ url="https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/${hostarch}/${crosstool_version}/${archive_name}"
+ archive="${download_location}${archive_name}"
+ stamp="${archive}.stamp"
+
+ [ -f "${stamp}" ] && return
+
+ echo "Downloading crosstools ${arch} ${crosstool_version}"
+ mkdir -p "${download_location}"
+ curl -o "${archive}" --fail --continue-at - "${url}"
+ tar -C "${download_location}" -xf "${archive}"
+ touch "${stamp}"
+}
+
+# capture command output, print it on failure
+# mimics chronic(1) from moreutils
+function swallow_output() {
+ if ! OUTPUT="$("$@" 2>&1)"; then
+ echo "$OUTPUT"
+ return 1
+ fi
+ return 0
+}
+
+test_arch() {
+ arch=$1
+ ct_arch=$(crosstool_arch "$arch")
+ ct_abi=$(crosstool_abi "$1")
+ cross_compile=$(realpath "${download_location}gcc-${crosstool_version}-nolibc/${ct_arch}-${ct_abi}/bin/${ct_arch}-${ct_abi}-")
+ build_dir="${build_location}/${arch}"
+ MAKE=(make -j"${nproc}" XARCH="${arch}" CROSS_COMPILE="${cross_compile}" O="${build_dir}")
+
+ mkdir -p "$build_dir"
+ if [ "$test_mode" = "system" ] && [ ! -f "${build_dir}/.config" ]; then
+ swallow_output "${MAKE[@]}" defconfig
+ fi
+ case "$test_mode" in
+ 'system')
+ test_target=run
+ ;;
+ 'user')
+ test_target=run-user
+ ;;
+ *)
+ echo "Unknown mode $test_mode"
+ exit 1
+ esac
+ printf '%-15s' "$arch:"
+ swallow_output "${MAKE[@]}" "$test_target" V=1
+ cp run.out run.out."${arch}"
+ "${MAKE[@]}" report | grep passed
+}
+
+if [ "$perform_download" -ne 0 ]; then
+ for arch in $archs; do
+ download_crosstool "$arch"
+ done
+fi
+
+for arch in $archs; do
+ test_arch "$arch"
+done
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 04:17:47 +0000