diff options
Diffstat (limited to 'tools/testing/selftests/nolibc')
| -rw-r--r-- | tools/testing/selftests/nolibc/.gitignore | 7 | ||||
| -rw-r--r-- | tools/testing/selftests/nolibc/Makefile | 341 | ||||
| -rw-r--r-- | tools/testing/selftests/nolibc/nolibc-test-linkage.c | 24 | ||||
| -rw-r--r-- | tools/testing/selftests/nolibc/nolibc-test-linkage.h | 9 | ||||
| -rw-r--r-- | tools/testing/selftests/nolibc/nolibc-test.c | 1973 | ||||
| -rwxr-xr-x | tools/testing/selftests/nolibc/run-tests.sh | 210 |
6 files changed, 2564 insertions, 0 deletions
diff --git a/tools/testing/selftests/nolibc/.gitignore b/tools/testing/selftests/nolibc/.gitignore new file mode 100644 index 000000000000..35d247a0d5bd --- /dev/null +++ b/tools/testing/selftests/nolibc/.gitignore @@ -0,0 +1,7 @@ +/initramfs/ +/initramfs.cpio +/libc-test +/nolibc-test +/run.out +/run.out.* +/sysroot/ diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile new file mode 100644 index 000000000000..94176ffe4646 --- /dev/null +++ b/tools/testing/selftests/nolibc/Makefile @@ -0,0 +1,341 @@ +# SPDX-License-Identifier: GPL-2.0 +# Makefile for nolibc tests +# we're in ".../tools/testing/selftests/nolibc" +ifeq ($(srctree),) +srctree := $(patsubst %/tools/testing/selftests/,%,$(dir $(CURDIR))) +endif + +include $(srctree)/tools/scripts/utilities.mak +# We need this for the "__cc-option" macro. +include $(srctree)/scripts/Makefile.compiler + +ifneq ($(O),) +ifneq ($(call is-absolute,$(O)),y) +$(error Only absolute O= parameters are supported) +endif +objtree := $(O) +else +objtree ?= $(srctree) +endif + +ifeq ($(ARCH),) +include $(srctree)/scripts/subarch.include +ARCH = $(SUBARCH) +endif + +cc-option = $(call __cc-option, $(CC),$(CLANG_CROSS_FLAGS),$(1),$(2)) + +# 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 +# a few specific values which are mapped like this: +# +# XARCH | ARCH | config +# -------------|-----------|------------------------- +# ppc | powerpc | 32 bits +# ppc64 | powerpc | 64 bits big endian +# ppc64le | powerpc | 64 bits little endian +# +# It is recommended to only use XARCH, though it does not harm if +# ARCH is already set. For simplicity, ARCH is sufficient for all +# architectures where both are equal. + +# configure default variants for target kernel supported architectures +XARCH_powerpc = ppc +XARCH_mips = mips32le +XARCH_riscv = riscv64 +XARCH = $(or $(XARCH_$(ARCH)),$(ARCH)) + +# map from user input variants to their kernel supported architectures +ARCH_armthumb = arm +ARCH_ppc = powerpc +ARCH_ppc64 = powerpc +ARCH_ppc64le = powerpc +ARCH_mips32le = mips +ARCH_mips32be = mips +ARCH_riscv32 = riscv +ARCH_riscv64 = riscv +ARCH_s390x = s390 +ARCH_sparc32 = sparc +ARCH_sparc64 = sparc +ARCH := $(or $(ARCH_$(XARCH)),$(XARCH)) + +# kernel image names by architecture +IMAGE_i386 = arch/x86/boot/bzImage +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_armthumb = arch/arm/boot/zImage +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_riscv32 = arch/riscv/boot/Image +IMAGE_riscv64 = arch/riscv/boot/Image +IMAGE_s390x = arch/s390/boot/bzImage +IMAGE_s390 = arch/s390/boot/bzImage +IMAGE_loongarch = arch/loongarch/boot/vmlinuz.efi +IMAGE_sparc32 = arch/sparc/boot/image +IMAGE_sparc64 = arch/sparc/boot/image +IMAGE_m68k = vmlinux +IMAGE = $(objtree)/$(IMAGE_$(XARCH)) +IMAGE_NAME = $(notdir $(IMAGE)) + +# default kernel configurations that appear to be usable +DEFCONFIG_i386 = defconfig +DEFCONFIG_x86_64 = defconfig +DEFCONFIG_x86 = defconfig +DEFCONFIG_arm64 = defconfig +DEFCONFIG_arm = multi_v7_defconfig +DEFCONFIG_armthumb = multi_v7_defconfig +DEFCONFIG_mips32le = malta_defconfig +DEFCONFIG_mips32be = malta_defconfig generic/eb.config +DEFCONFIG_ppc = pmac32_defconfig +DEFCONFIG_ppc64 = powernv_be_defconfig +DEFCONFIG_ppc64le = powernv_defconfig +DEFCONFIG_riscv = defconfig +DEFCONFIG_riscv32 = rv32_defconfig +DEFCONFIG_riscv64 = defconfig +DEFCONFIG_s390x = defconfig +DEFCONFIG_s390 = defconfig compat.config +DEFCONFIG_loongarch = defconfig +DEFCONFIG_sparc32 = sparc32_defconfig +DEFCONFIG_sparc64 = sparc64_defconfig +DEFCONFIG_m68k = virt_defconfig +DEFCONFIG = $(DEFCONFIG_$(XARCH)) + +EXTRACONFIG_m68k = -e CONFIG_BLK_DEV_INITRD +EXTRACONFIG = $(EXTRACONFIG_$(XARCH)) +EXTRACONFIG_arm = -e CONFIG_NAMESPACES +EXTRACONFIG_armthumb = -e CONFIG_NAMESPACES + +# optional tests to run (default = all) +TEST = + +# QEMU_ARCH: arch names used by qemu +QEMU_ARCH_i386 = i386 +QEMU_ARCH_x86_64 = x86_64 +QEMU_ARCH_x86 = x86_64 +QEMU_ARCH_arm64 = aarch64 +QEMU_ARCH_arm = arm +QEMU_ARCH_armthumb = arm +QEMU_ARCH_mips32le = mipsel # works with malta_defconfig +QEMU_ARCH_mips32be = mips +QEMU_ARCH_ppc = ppc +QEMU_ARCH_ppc64 = ppc64 +QEMU_ARCH_ppc64le = ppc64 +QEMU_ARCH_riscv = riscv64 +QEMU_ARCH_riscv32 = riscv32 +QEMU_ARCH_riscv64 = riscv64 +QEMU_ARCH_s390x = s390x +QEMU_ARCH_s390 = s390x +QEMU_ARCH_loongarch = loongarch64 +QEMU_ARCH_sparc32 = sparc +QEMU_ARCH_sparc64 = sparc64 +QEMU_ARCH_m68k = m68k +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_armthumb = -M virt -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_riscv32 = -M virt -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)" +QEMU_ARGS_riscv64 = -M virt -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)" +QEMU_ARGS_s390x = -M s390-ccw-virtio -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)" +QEMU_ARGS_s390 = -M s390-ccw-virtio -append "console=ttyS0 panic=-1 $(TEST:%=NOLIBC_TEST=%)" +QEMU_ARGS_loongarch = -M virt -append "console=ttyS0,115200 panic=-1 $(TEST:%=NOLIBC_TEST=%)" +QEMU_ARGS_sparc32 = -M SS-5 -m 256M -append "console=ttyS0,115200 panic=-1 $(TEST:%=NOLIBC_TEST=%)" +QEMU_ARGS_sparc64 = -M sun4u -append "console=ttyS0,115200 panic=-1 $(TEST:%=NOLIBC_TEST=%)" +QEMU_ARGS_m68k = -M virt -append "console=ttyGF0,115200 panic=-1 $(TEST:%=NOLIBC_TEST=%)" +QEMU_ARGS = -m 1G $(QEMU_ARGS_$(XARCH)) $(QEMU_ARGS_BIOS) $(QEMU_ARGS_EXTRA) + +# OUTPUT is only set when run from the main makefile, otherwise +# it defaults to this nolibc directory. +OUTPUT ?= $(CURDIR)/ + +ifeq ($(V),1) +Q= +else +Q=@ +endif + +CFLAGS_i386 = $(call cc-option,-m32) +CFLAGS_arm = -marm +CFLAGS_armthumb = -mthumb -march=armv6t2 +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_s390x = -m64 +CFLAGS_s390 = -m31 +CFLAGS_mips32le = -EL -mabi=32 -fPIC +CFLAGS_mips32be = -EB -mabi=32 +CFLAGS_sparc32 = $(call cc-option,-m32) +ifeq ($(origin XARCH),command line) +CFLAGS_XARCH = $(CFLAGS_$(XARCH)) +endif +CFLAGS_STACKPROTECTOR ?= $(call cc-option,-mstack-protector-guard=global $(call cc-option,-fstack-protector-all)) +CFLAGS_SANITIZER ?= $(call cc-option,-fsanitize=undefined -fsanitize-trap=all) +CFLAGS ?= -Os -fno-ident -fno-asynchronous-unwind-tables -std=c89 -W -Wall -Wextra \ + $(call cc-option,-fno-stack-protector) $(call cc-option,-Wmissing-prototypes) \ + $(CFLAGS_XARCH) $(CFLAGS_STACKPROTECTOR) $(CFLAGS_SANITIZER) $(CFLAGS_EXTRA) +LDFLAGS := + +LIBGCC := -lgcc + +ifneq ($(LLVM),) +# Not needed for clang +LIBGCC := +endif + +# Modify CFLAGS based on LLVM= +include $(srctree)/tools/scripts/Makefile.include + +# GCC uses "s390", clang "systemz" +CLANG_CROSS_FLAGS := $(subst --target=s390-linux,--target=systemz-linux,$(CLANG_CROSS_FLAGS)) + +REPORT ?= awk '/\[OK\][\r]*$$/{p++} /\[FAIL\][\r]*$$/{if (!f) printf("\n"); f++; print;} /\[SKIPPED\][\r]*$$/{s++} \ + END{ printf("\n%3d test(s): %3d passed, %3d skipped, %3d failed => status: ", p+s+f, p, s, f); \ + if (f || !p) printf("failure\n"); else if (s) printf("warning\n"); else printf("success\n");; \ + printf("\nSee all results in %s\n", ARGV[1]); }' + +help: + @echo "Supported targets under selftests/nolibc:" + @echo " all call the \"run\" target below" + @echo " help this help" + @echo " sysroot create the nolibc sysroot here (uses \$$ARCH)" + @echo " nolibc-test build the executable (uses \$$CC and \$$CROSS_COMPILE)" + @echo " libc-test build an executable using the compiler's default libc instead" + @echo " run-user runs the executable under QEMU (uses \$$XARCH, \$$TEST)" + @echo " initramfs.cpio prepare the initramfs archive with nolibc-test" + @echo " initramfs prepare the initramfs tree with nolibc-test" + @echo " defconfig create a fresh new default config (uses \$$XARCH)" + @echo " kernel (re)build the kernel (uses \$$XARCH)" + @echo " kernel-standalone (re)build the kernel with the initramfs (uses \$$XARCH)" + @echo " run runs the kernel in QEMU after building it (uses \$$XARCH, \$$TEST)" + @echo " rerun runs a previously prebuilt kernel in QEMU (uses \$$XARCH, \$$TEST)" + @echo " clean clean the sysroot, initramfs, build and output files" + @echo "" + @echo "The output file is \"run.out\". Test ranges may be passed using \$$TEST." + @echo "" + @echo "Currently using the following variables:" + @echo " ARCH = $(ARCH)" + @echo " XARCH = $(XARCH)" + @echo " CROSS_COMPILE = $(CROSS_COMPILE)" + @echo " CC = $(CC)" + @echo " OUTPUT = $(OUTPUT)" + @echo " TEST = $(TEST)" + @echo " QEMU_ARCH = $(if $(QEMU_ARCH),$(QEMU_ARCH),UNKNOWN_ARCH) [determined from \$$XARCH]" + @echo " IMAGE_NAME = $(if $(IMAGE_NAME),$(IMAGE_NAME),UNKNOWN_ARCH) [determined from \$$XARCH]" + @echo "" + +all: run + +sysroot: sysroot/$(ARCH)/include + +sysroot/$(ARCH)/include: + $(Q)rm -rf sysroot/$(ARCH) sysroot/sysroot + $(QUIET_MKDIR)mkdir -p sysroot + $(Q)$(MAKE) -C $(srctree) outputmakefile + $(Q)$(MAKE) -C $(srctree)/tools/include/nolibc ARCH=$(ARCH) OUTPUT=$(CURDIR)/sysroot/ headers_standalone headers_check + $(Q)mv sysroot/sysroot sysroot/$(ARCH) + +ifneq ($(NOLIBC_SYSROOT),0) +nolibc-test: nolibc-test.c nolibc-test-linkage.c sysroot/$(ARCH)/include + $(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \ + -nostdlib -nostdinc -static -Isysroot/$(ARCH)/include nolibc-test.c nolibc-test-linkage.c $(LIBGCC) +else +nolibc-test: nolibc-test.c nolibc-test-linkage.c + $(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ \ + -nostdlib -static -include $(srctree)/tools/include/nolibc/nolibc.h nolibc-test.c nolibc-test-linkage.c $(LIBGCC) +endif + +libc-test: nolibc-test.c nolibc-test-linkage.c + $(QUIET_CC)$(HOSTCC) -o $@ nolibc-test.c nolibc-test-linkage.c + +# local libc-test +run-libc-test: libc-test + $(Q)./libc-test > "$(CURDIR)/run.out" || : + $(Q)$(REPORT) $(CURDIR)/run.out + +# local nolibc-test +run-nolibc-test: nolibc-test + $(Q)./nolibc-test > "$(CURDIR)/run.out" || : + $(Q)$(REPORT) $(CURDIR)/run.out + +# qemu user-land test +run-user: nolibc-test + $(Q)qemu-$(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' | $(objtree)/usr/gen_init_cpio - > initramfs.cpio + +initramfs: nolibc-test + $(QUIET_MKDIR)mkdir -p initramfs + $(call QUIET_INSTALL, initramfs/init) + $(Q)cp nolibc-test initramfs/init + +defconfig: + $(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(DEFCONFIG) + $(Q)if [ -n "$(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: | defconfig + $(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(IMAGE_NAME) < /dev/null + +kernel-standalone: initramfs | defconfig + $(Q)$(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 "$(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 "$(IMAGE)" -initrd initramfs.cpio -serial stdio $(QEMU_ARGS) > "$(CURDIR)/run.out" + $(Q)$(REPORT) $(CURDIR)/run.out + +# report with existing test log +report: + $(Q)$(REPORT) $(CURDIR)/run.out + +clean: + $(call QUIET_CLEAN, sysroot) + $(Q)rm -rf sysroot + $(call QUIET_CLEAN, nolibc-test) + $(Q)rm -f nolibc-test + $(call QUIET_CLEAN, libc-test) + $(Q)rm -f libc-test + $(call QUIET_CLEAN, initramfs.cpio) + $(Q)rm -rf initramfs.cpio + $(call QUIET_CLEAN, initramfs) + $(Q)rm -rf initramfs + $(call QUIET_CLEAN, run.out) + $(Q)rm -rf run.out + +.PHONY: sysroot/$(ARCH)/include diff --git a/tools/testing/selftests/nolibc/nolibc-test-linkage.c b/tools/testing/selftests/nolibc/nolibc-test-linkage.c new file mode 100644 index 000000000000..0636d1b6e808 --- /dev/null +++ b/tools/testing/selftests/nolibc/nolibc-test-linkage.c @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#include "nolibc-test-linkage.h" + +#include <errno.h> + +void *linkage_test_errno_addr(void) +{ + return &errno; +} + +int linkage_test_constructor_test_value = 0; + +__attribute__((constructor)) +static void constructor1(void) +{ + linkage_test_constructor_test_value |= 1 << 0; +} + +__attribute__((constructor)) +static void constructor2(void) +{ + linkage_test_constructor_test_value |= 1 << 1; +} diff --git a/tools/testing/selftests/nolibc/nolibc-test-linkage.h b/tools/testing/selftests/nolibc/nolibc-test-linkage.h new file mode 100644 index 000000000000..c66473070d73 --- /dev/null +++ b/tools/testing/selftests/nolibc/nolibc-test-linkage.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef _NOLIBC_TEST_LINKAGE_H +#define _NOLIBC_TEST_LINKAGE_H + +void *linkage_test_errno_addr(void); +extern int linkage_test_constructor_test_value; + +#endif /* _NOLIBC_TEST_LINKAGE_H */ diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c new file mode 100644 index 000000000000..dbe13000fb1a --- /dev/null +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -0,0 +1,1973 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#define _GNU_SOURCE +#define _LARGEFILE64_SOURCE + +/* libc-specific include files + * The program may be built in 3 ways: + * $(CC) -nostdlib -include /path/to/nolibc.h => NOLIBC already defined + * $(CC) -nostdlib -I/path/to/nolibc/sysroot => _NOLIBC_* guards are present + * $(CC) with default libc => NOLIBC* never defined + */ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/auxv.h> +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/mount.h> +#include <sys/prctl.h> +#include <sys/random.h> +#include <sys/reboot.h> +#include <sys/resource.h> +#include <sys/stat.h> +#include <sys/syscall.h> +#include <sys/sysmacros.h> +#include <sys/time.h> +#include <sys/timerfd.h> +#include <sys/utsname.h> +#include <sys/wait.h> +#include <dirent.h> +#include <errno.h> +#include <fcntl.h> +#include <poll.h> +#include <sched.h> +#include <signal.h> +#include <stdarg.h> +#include <stddef.h> +#include <stdint.h> +#include <time.h> +#include <unistd.h> +#include <limits.h> +#include <ctype.h> + +#pragma GCC diagnostic ignored "-Wmissing-prototypes" + +#include "nolibc-test-linkage.h" + +/* for the type of int_fast16_t and int_fast32_t, musl differs from glibc and nolibc */ +#define SINT_MAX_OF_TYPE(type) (((type)1 << (sizeof(type) * 8 - 2)) - (type)1 + ((type)1 << (sizeof(type) * 8 - 2))) +#define SINT_MIN_OF_TYPE(type) (-SINT_MAX_OF_TYPE(type) - 1) + +/* will be used to test initialization of environ */ +static char **test_envp; + +/* will be used to test initialization of argv */ +static char **test_argv; + +/* will be used to test initialization of argc */ +static int test_argc; + +/* will be used by some test cases as readable file, please don't write it */ +static const char *argv0; + +/* will be used by constructor tests */ +static int constructor_test_value; + +static const int is_nolibc = +#ifdef NOLIBC + 1 +#else + 0 +#endif +; + +/* definition of a series of tests */ +struct test { + const char *name; /* test name */ + int (*func)(int min, int max); /* handler */ +}; + +#ifndef _NOLIBC_STDLIB_H +char *itoa(int i) +{ + static char buf[12]; + int ret; + + ret = snprintf(buf, sizeof(buf), "%d", i); + return (ret >= 0 && ret < sizeof(buf)) ? buf : "#err"; +} +#endif + +#define CASE_ERR(err) \ + case err: return #err + +/* returns the error name (e.g. "ENOENT") for common errors, "SUCCESS" for 0, + * or the decimal value for less common ones. + */ +static const char *errorname(int err) +{ + switch (err) { + case 0: return "SUCCESS"; + CASE_ERR(EPERM); + CASE_ERR(ENOENT); + CASE_ERR(ESRCH); + CASE_ERR(EINTR); + CASE_ERR(EIO); + CASE_ERR(ENXIO); + CASE_ERR(E2BIG); + CASE_ERR(ENOEXEC); + CASE_ERR(EBADF); + CASE_ERR(ECHILD); + CASE_ERR(EAGAIN); + CASE_ERR(ENOMEM); + CASE_ERR(EACCES); + CASE_ERR(EFAULT); + CASE_ERR(ENOTBLK); + CASE_ERR(EBUSY); + CASE_ERR(EEXIST); + CASE_ERR(EXDEV); + CASE_ERR(ENODEV); + CASE_ERR(ENOTDIR); + CASE_ERR(EISDIR); + CASE_ERR(EINVAL); + CASE_ERR(ENFILE); + CASE_ERR(EMFILE); + CASE_ERR(ENOTTY); + CASE_ERR(ETXTBSY); + CASE_ERR(EFBIG); + CASE_ERR(ENOSPC); + CASE_ERR(ESPIPE); + CASE_ERR(EROFS); + CASE_ERR(EMLINK); + CASE_ERR(EPIPE); + CASE_ERR(EDOM); + CASE_ERR(ERANGE); + CASE_ERR(ENOSYS); + CASE_ERR(EOVERFLOW); + default: + return itoa(err); + } +} + +static void align_result(size_t llen) +{ + const size_t align = 64; + char buf[align]; + size_t n; + + if (llen >= align) + return; + + n = align - llen; + memset(buf, ' ', n); + buf[n] = '\0'; + fputs(buf, stdout); +} + +enum RESULT { + OK, + FAIL, + SKIPPED, +}; + +static void result(int llen, enum RESULT r) +{ + const char *msg; + + if (r == OK) + msg = " [OK]"; + else if (r == SKIPPED) + msg = "[SKIPPED]"; + else + msg = " [FAIL]"; + + align_result(llen); + puts(msg); +} + +/* The tests below are intended to be used by the macroes, which evaluate + * expression <expr>, print the status to stdout, and update the "ret" + * variable to count failures. The functions themselves return the number + * of failures, thus either 0 or 1. + */ + +#define EXPECT_ZR(cond, expr) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_zr(expr, llen); } while (0) + +static __attribute__((unused)) +int expect_zr(int expr, int llen) +{ + int ret = !(expr == 0); + + llen += printf(" = %d ", expr); + result(llen, ret ? FAIL : OK); + return ret; +} + + +#define EXPECT_NZ(cond, expr, val) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_nz(expr, llen; } while (0) + +static __attribute__((unused)) +int expect_nz(int expr, int llen) +{ + int ret = !(expr != 0); + + llen += printf(" = %d ", expr); + result(llen, ret ? FAIL : OK); + return ret; +} + + +#define EXPECT_EQ(cond, expr, val) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_eq(expr, llen, val); } while (0) + +static __attribute__((unused)) +int expect_eq(uint64_t expr, int llen, uint64_t val) +{ + int ret = !(expr == val); + + llen += printf(" = %lld ", (long long)expr); + result(llen, ret ? FAIL : OK); + return ret; +} + + +#define EXPECT_NE(cond, expr, val) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_ne(expr, llen, val); } while (0) + +static __attribute__((unused)) +int expect_ne(int expr, int llen, int val) +{ + int ret = !(expr != val); + + llen += printf(" = %d ", expr); + result(llen, ret ? FAIL : OK); + return ret; +} + + +#define EXPECT_GE(cond, expr, val) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_ge(expr, llen, val); } while (0) + +static __attribute__((unused)) +int expect_ge(int expr, int llen, int val) +{ + int ret = !(expr >= val); + + llen += printf(" = %d ", expr); + result(llen, ret ? FAIL : OK); + return ret; +} + + +#define EXPECT_GT(cond, expr, val) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_gt(expr, llen, val); } while (0) + +static __attribute__((unused)) +int expect_gt(int expr, int llen, int val) +{ + int ret = !(expr > val); + + llen += printf(" = %d ", expr); + result(llen, ret ? FAIL : OK); + return ret; +} + + +#define EXPECT_LE(cond, expr, val) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_le(expr, llen, val); } while (0) + +static __attribute__((unused)) +int expect_le(int expr, int llen, int val) +{ + int ret = !(expr <= val); + + llen += printf(" = %d ", expr); + result(llen, ret ? FAIL : OK); + return ret; +} + + +#define EXPECT_LT(cond, expr, val) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_lt(expr, llen, val); } while (0) + +static __attribute__((unused)) +int expect_lt(int expr, int llen, int val) +{ + int ret = !(expr < val); + + llen += printf(" = %d ", expr); + result(llen, ret ? FAIL : OK); + return ret; +} + + +#define EXPECT_SYSZR(cond, expr) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_syszr(expr, llen); } while (0) + +static __attribute__((unused)) +int expect_syszr(int expr, int llen) +{ + int ret = 0; + + if (errno == ENOSYS) { + llen += printf(" = ENOSYS"); + result(llen, SKIPPED); + } else if (expr) { + ret = 1; + llen += printf(" = %d %s ", expr, errorname(errno)); + result(llen, FAIL); + } else { + llen += printf(" = %d ", expr); + result(llen, OK); + } + return ret; +} + + +#define EXPECT_SYSEQ(cond, expr, val) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_syseq(expr, llen, val); } while (0) + +static __attribute__((unused)) +int expect_syseq(int expr, int llen, int val) +{ + int ret = 0; + + if (expr != val) { + ret = 1; + llen += printf(" = %d %s ", expr, errorname(errno)); + result(llen, FAIL); + } else { + llen += printf(" = %d ", expr); + result(llen, OK); + } + return ret; +} + + +#define EXPECT_SYSNE(cond, expr, val) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_sysne(expr, llen, val); } while (0) + +static __attribute__((unused)) +int expect_sysne(int expr, int llen, int val) +{ + int ret = 0; + + if (errno == ENOSYS) { + llen += printf(" = ENOSYS"); + result(llen, SKIPPED); + } else if (expr == val) { + ret = 1; + llen += printf(" = %d %s ", expr, errorname(errno)); + result(llen, FAIL); + } else { + llen += printf(" = %d ", expr); + result(llen, OK); + } + return ret; +} + + +#define EXPECT_SYSER2(cond, expr, expret, experr1, experr2) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_syserr2(expr, expret, experr1, experr2, llen); } while (0) + +#define EXPECT_SYSER(cond, expr, expret, experr) \ + EXPECT_SYSER2(cond, expr, expret, experr, 0) + +static __attribute__((unused)) +int expect_syserr2(int expr, int expret, int experr1, int experr2, int llen) +{ + int ret = 0; + int _errno = errno; + + llen += printf(" = %d %s ", expr, errorname(_errno)); + if (errno == ENOSYS) { + result(llen, SKIPPED); + } else if (expr != expret || (_errno != experr1 && _errno != experr2)) { + ret = 1; + if (experr2 == 0) + llen += printf(" != (%d %s) ", expret, errorname(experr1)); + else + llen += printf(" != (%d %s %s) ", expret, errorname(experr1), errorname(experr2)); + result(llen, FAIL); + } else { + result(llen, OK); + } + return ret; +} + + +#define EXPECT_PTRZR(cond, expr) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_ptrzr(expr, llen); } while (0) + +static __attribute__((unused)) +int expect_ptrzr(const void *expr, int llen) +{ + int ret = 0; + + llen += printf(" = <%p> ", expr); + if (expr) { + ret = 1; + result(llen, FAIL); + } else { + result(llen, OK); + } + return ret; +} + + +#define EXPECT_PTRNZ(cond, expr) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_ptrnz(expr, llen); } while (0) + +static __attribute__((unused)) +int expect_ptrnz(const void *expr, int llen) +{ + int ret = 0; + + llen += printf(" = <%p> ", expr); + if (!expr) { + ret = 1; + result(llen, FAIL); + } else { + result(llen, OK); + } + return ret; +} + +#define EXPECT_PTREQ(cond, expr, cmp) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_ptreq(expr, llen, cmp); } while (0) + +static __attribute__((unused)) +int expect_ptreq(const void *expr, int llen, const void *cmp) +{ + int ret = 0; + + llen += printf(" = <%p> ", expr); + if (expr != cmp) { + ret = 1; + result(llen, FAIL); + } else { + result(llen, OK); + } + return ret; +} + +#define EXPECT_PTRNE(cond, expr, cmp) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_ptrne(expr, llen, cmp); } while (0) + +static __attribute__((unused)) +int expect_ptrne(const void *expr, int llen, const void *cmp) +{ + int ret = 0; + + llen += printf(" = <%p> ", expr); + if (expr == cmp) { + ret = 1; + result(llen, FAIL); + } else { + result(llen, OK); + } + return ret; +} + +#define EXPECT_PTRGE(cond, expr, cmp) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_ptrge(expr, llen, cmp); } while (0) + +static __attribute__((unused)) +int expect_ptrge(const void *expr, int llen, const void *cmp) +{ + int ret = !(expr >= cmp); + + llen += printf(" = <%p> ", expr); + result(llen, ret ? FAIL : OK); + return ret; +} + +#define EXPECT_PTRGT(cond, expr, cmp) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_ptrgt(expr, llen, cmp); } while (0) + +static __attribute__((unused)) +int expect_ptrgt(const void *expr, int llen, const void *cmp) +{ + int ret = !(expr > cmp); + + llen += printf(" = <%p> ", expr); + result(llen, ret ? FAIL : OK); + return ret; +} + + +#define EXPECT_PTRLE(cond, expr, cmp) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_ptrle(expr, llen, cmp); } while (0) + +static __attribute__((unused)) +int expect_ptrle(const void *expr, int llen, const void *cmp) +{ + int ret = !(expr <= cmp); + + llen += printf(" = <%p> ", expr); + result(llen, ret ? FAIL : OK); + return ret; +} + + +#define EXPECT_PTRLT(cond, expr, cmp) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_ptrlt(expr, llen, cmp); } while (0) + +static __attribute__((unused)) +int expect_ptrlt(const void *expr, int llen, const void *cmp) +{ + int ret = !(expr < cmp); + + llen += printf(" = <%p> ", expr); + result(llen, ret ? FAIL : OK); + return ret; +} + +#define EXPECT_PTRER2(cond, expr, expret, experr1, experr2) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_ptrerr2(expr, expret, experr1, experr2, llen); } while (0) + +#define EXPECT_PTRER(cond, expr, expret, experr) \ + EXPECT_PTRER2(cond, expr, expret, experr, 0) + +static __attribute__((unused)) +int expect_ptrerr2(const void *expr, const void *expret, int experr1, int experr2, int llen) +{ + int ret = 0; + int _errno = errno; + + llen += printf(" = <%p> %s ", expr, errorname(_errno)); + if (expr != expret || (_errno != experr1 && _errno != experr2)) { + ret = 1; + if (experr2 == 0) + llen += printf(" != (<%p> %s) ", expret, errorname(experr1)); + else + llen += printf(" != (<%p> %s %s) ", expret, errorname(experr1), errorname(experr2)); + result(llen, FAIL); + } else { + result(llen, OK); + } + return ret; +} + +#define EXPECT_STRZR(cond, expr) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_strzr(expr, llen); } while (0) + +static __attribute__((unused)) +int expect_strzr(const char *expr, int llen) +{ + int ret = 0; + + llen += printf(" = <%s> ", expr ? expr : "(null)"); + if (expr) { + ret = 1; + result(llen, FAIL); + } else { + result(llen, OK); + } + return ret; +} + + +#define EXPECT_STRNZ(cond, expr) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_strnz(expr, llen); } while (0) + +static __attribute__((unused)) +int expect_strnz(const char *expr, int llen) +{ + int ret = 0; + + llen += printf(" = <%s> ", expr ? expr : "(null)"); + if (!expr) { + ret = 1; + result(llen, FAIL); + } else { + result(llen, OK); + } + return ret; +} + + +#define EXPECT_STREQ(cond, expr, cmp) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_streq(expr, llen, cmp); } while (0) + +static __attribute__((unused)) +int expect_streq(const char *expr, int llen, const char *cmp) +{ + int ret = 0; + + llen += printf(" = <%s> ", expr); + if (strcmp(expr, cmp) != 0) { + ret = 1; + result(llen, FAIL); + } else { + result(llen, OK); + } + return ret; +} + + +#define EXPECT_STRNE(cond, expr, cmp) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_strne(expr, llen, cmp); } while (0) + +static __attribute__((unused)) +int expect_strne(const char *expr, int llen, const char *cmp) +{ + int ret = 0; + + llen += printf(" = <%s> ", expr); + if (strcmp(expr, cmp) == 0) { + ret = 1; + result(llen, FAIL); + } else { + result(llen, OK); + } + return ret; +} + +#define EXPECT_STRBUFEQ(cond, expr, buf, val, cmp) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_str_buf_eq(expr, buf, val, llen, cmp); } while (0) + +static __attribute__((unused)) +int expect_str_buf_eq(size_t expr, const char *buf, size_t val, int llen, const char *cmp) +{ + llen += printf(" = %lu <%s> ", (unsigned long)expr, buf); + if (strcmp(buf, cmp) != 0) { + result(llen, FAIL); + return 1; + } + if (expr != val) { + result(llen, FAIL); + return 1; + } + + result(llen, OK); + return 0; +} + +#define EXPECT_STRTOX(cond, func, input, base, expected, chars, expected_errno) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_strtox(llen, func, input, base, expected, chars, expected_errno); } while (0) + +static __attribute__((unused)) +int expect_strtox(int llen, void *func, const char *input, int base, intmax_t expected, int expected_chars, int expected_errno) +{ + char *endptr; + int actual_errno, actual_chars; + intmax_t r; + + errno = 0; + if (func == strtol) { + r = strtol(input, &endptr, base); + } else if (func == strtoul) { + r = strtoul(input, &endptr, base); + } else { + result(llen, FAIL); + return 1; + } + actual_errno = errno; + actual_chars = endptr - input; + + llen += printf(" %lld = %lld", (long long)expected, (long long)r); + if (r != expected) { + result(llen, FAIL); + return 1; + } + if (expected_chars == -1) { + if (*endptr != '\0') { + result(llen, FAIL); + return 1; + } + } else if (expected_chars != actual_chars) { + result(llen, FAIL); + return 1; + } + if (actual_errno != expected_errno) { + result(llen, FAIL); + return 1; + } + + result(llen, OK); + return 0; +} + +/* declare tests based on line numbers. There must be exactly one test per line. */ +#define CASE_TEST(name) \ + case __LINE__: llen += printf("%d %s", test, #name); + +/* constructors validate that they are executed in definition order */ +__attribute__((constructor)) +static void constructor1(void) +{ + constructor_test_value |= 1 << 0; +} + +__attribute__((constructor)) +static void constructor2(int argc, char **argv, char **envp) +{ + if (argc && argv && envp) + constructor_test_value |= 1 << 1; +} + +int run_startup(int min, int max) +{ + int test; + int ret = 0; + /* kernel at least passes HOME and TERM, shell passes more */ + int env_total = 2; + /* checking NULL for argv/argv0, environ and _auxv is not enough, let's compare with sbrk(0) or &end */ + extern char end; + char *brk = sbrk(0) != (void *)-1 ? sbrk(0) : &end; + /* differ from nolibc, both glibc and musl have no global _auxv */ + const unsigned long *test_auxv = (void *)-1; +#ifdef NOLIBC + test_auxv = _auxv; +#endif + + for (test = min; test >= 0 && test <= max; test++) { + int llen = 0; /* line length */ + + /* avoid leaving empty lines below, this will insert holes into + * test numbers. + */ + switch (test + __LINE__ + 1) { + CASE_TEST(argc); EXPECT_GE(1, test_argc, 1); break; + CASE_TEST(argv_addr); EXPECT_PTRGT(1, test_argv, brk); break; + CASE_TEST(argv_environ); EXPECT_PTRLT(1, test_argv, environ); break; + CASE_TEST(argv_total); EXPECT_EQ(1, environ - test_argv - 1, test_argc ?: 1); break; + CASE_TEST(argv0_addr); EXPECT_PTRGT(1, argv0, brk); break; + CASE_TEST(argv0_str); EXPECT_STRNZ(1, argv0 > brk ? argv0 : NULL); break; + CASE_TEST(argv0_len); EXPECT_GE(1, argv0 > brk ? strlen(argv0) : 0, 1); break; + CASE_TEST(environ_addr); EXPECT_PTRGT(1, environ, brk); break; + CASE_TEST(environ_envp); EXPECT_PTREQ(1, environ, test_envp); break; + CASE_TEST(environ_auxv); EXPECT_PTRLT(test_auxv != (void *)-1, environ, test_auxv); break; + CASE_TEST(environ_total); EXPECT_GE(test_auxv != (void *)-1, (void *)test_auxv - (void *)environ - 1, env_total); break; + CASE_TEST(environ_HOME); EXPECT_PTRNZ(1, getenv("HOME")); break; + CASE_TEST(auxv_addr); EXPECT_PTRGT(test_auxv != (void *)-1, test_auxv, brk); break; + CASE_TEST(auxv_AT_UID); EXPECT_EQ(1, getauxval(AT_UID), getuid()); break; + CASE_TEST(constructor); EXPECT_EQ(is_nolibc, constructor_test_value, 0x3); break; + CASE_TEST(linkage_errno); EXPECT_PTREQ(1, linkage_test_errno_addr(), &errno); break; + CASE_TEST(linkage_constr); EXPECT_EQ(1, linkage_test_constructor_test_value, 0x3); break; + case __LINE__: + return ret; /* must be last */ + /* note: do not set any defaults so as to permit holes above */ + } + } + return ret; +} + + +/* used by some syscall tests below */ +int test_getdents64(const char *dir) +{ + char buffer[4096]; + int fd, ret; + int err; + + ret = fd = open(dir, O_RDONLY | O_DIRECTORY, 0); + if (ret < 0) + return ret; + + ret = getdents64(fd, (void *)buffer, sizeof(buffer)); + err = errno; + close(fd); + + errno = err; + return ret; +} + +static int test_dirent(void) +{ + int comm = 0, cmdline = 0; + struct dirent dirent, *result; + DIR *dir; + int ret; + + dir = opendir("/proc/self"); + if (!dir) + return 1; + + while (1) { + errno = 0; + ret = readdir_r(dir, &dirent, &result); + if (ret != 0) + return 1; + if (!result) + break; + + if (strcmp(dirent.d_name, "comm") == 0) + comm++; + else if (strcmp(dirent.d_name, "cmdline") == 0) + cmdline++; + } + + if (errno) + return 1; + + ret = closedir(dir); + if (ret) + return 1; + + if (comm != 1 || cmdline != 1) + return 1; + + return 0; +} + +int test_getrandom(void) +{ + uint64_t rng = 0; + ssize_t ret; + + ret = getrandom(&rng, sizeof(rng), GRND_NONBLOCK); + if (ret == -1 && errno == EAGAIN) + return 0; /* No entropy available yet */ + + if (ret != sizeof(rng)) + return ret; + + if (!rng) { + errno = EINVAL; + return -1; + } + + return 0; +} + +int test_getpagesize(void) +{ + int x = getpagesize(); + int c; + + if (x < 0) + return x; + +#if defined(__x86_64__) || defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) + /* + * x86 family is always 4K page. + */ + c = (x == 4096); +#elif defined(__aarch64__) + /* + * Linux aarch64 supports three values of page size: 4K, 16K, and 64K + * which are selected at kernel compilation time. + */ + c = (x == 4096 || x == (16 * 1024) || x == (64 * 1024)); +#else + /* + * Assuming other architectures must have at least 4K page. + */ + c = (x >= 4096); +#endif + + return !c; +} + +int test_file_stream(void) +{ + FILE *f; + int r; + + f = fopen("/dev/null", "r"); + if (!f) + return -1; + + errno = 0; + r = fwrite("foo", 1, 3, f); + if (r != 0 || errno != EBADF) { + fclose(f); + return -1; + } + + r = fclose(f); + if (r == EOF) + return -1; + + return 0; +} + +int test_fork(void) +{ + int status; + pid_t pid; + + /* flush the printf buffer to avoid child flush it */ + fflush(stdout); + fflush(stderr); + + pid = fork(); + + switch (pid) { + case -1: + return 1; + + case 0: + exit(123); + + default: + pid = waitpid(pid, &status, 0); + + return pid == -1 || !WIFEXITED(status) || WEXITSTATUS(status) != 123; + } +} + +int test_stat_timestamps(void) +{ + struct stat st; + + if (sizeof(st.st_atim.tv_sec) != sizeof(st.st_atime)) + return 1; + + if (stat("/proc/self/", &st) && stat(argv0, &st) && stat("/", &st)) + return 1; + + if (st.st_atim.tv_sec != st.st_atime || st.st_atim.tv_nsec > 1000000000) + return 1; + + if (st.st_mtim.tv_sec != st.st_mtime || st.st_mtim.tv_nsec > 1000000000) + return 1; + + if (st.st_ctim.tv_sec != st.st_ctime || st.st_ctim.tv_nsec > 1000000000) + return 1; + + return 0; +} + +int test_timer(void) +{ + struct itimerspec timerspec; + struct sigevent evp; + timer_t timer; + int ret; + + evp.sigev_notify = SIGEV_NONE; + + ret = timer_create(CLOCK_MONOTONIC, &evp, &timer); + if (ret) + return ret; + + timerspec = (struct itimerspec) { + .it_value.tv_sec = 1000000, + }; + ret = timer_settime(timer, 0, &timerspec, NULL); + if (ret) + goto err; + + timerspec = (struct itimerspec) { + .it_value.tv_sec = -1, + .it_value.tv_nsec = -1, + .it_interval.tv_sec = -1, + .it_interval.tv_nsec = -1, + }; + ret = timer_gettime(timer, &timerspec); + if (ret) + goto err; + + errno = EINVAL; + ret = -1; + + if (timerspec.it_interval.tv_sec || timerspec.it_interval.tv_nsec) + goto err; + + if (timerspec.it_value.tv_sec > 1000000) + goto err; + + ret = timer_delete(timer); + if (ret) + return ret; + + return 0; + +err: + timer_delete(timer); + return ret; +} + +int test_timerfd(void) +{ + struct itimerspec timerspec; + int timer, ret; + + timer = timerfd_create(CLOCK_MONOTONIC, 0); + if (timer == -1) + return -1; + + timerspec = (struct itimerspec) { + .it_value.tv_sec = 1000000, + }; + ret = timerfd_settime(timer, 0, &timerspec, NULL); + if (ret) + goto err; + + timerspec = (struct itimerspec) { + .it_value.tv_sec = -1, + .it_value.tv_nsec = -1, + .it_interval.tv_sec = -1, + .it_interval.tv_nsec = -1, + }; + ret = timerfd_gettime(timer, &timerspec); + if (ret) + goto err; + + errno = EINVAL; + ret = -1; + + if (timerspec.it_interval.tv_sec || timerspec.it_interval.tv_nsec) + goto err; + + if (timerspec.it_value.tv_sec > 1000000) + goto err; + + ret = close(timer); + if (ret) + return ret; + + return 0; + +err: + close(timer); + return ret; +} + +int test_uname(void) +{ + struct utsname buf; + char osrelease[sizeof(buf.release)]; + ssize_t r; + int fd; + + memset(&buf.domainname, 'P', sizeof(buf.domainname)); + + if (uname(&buf)) + return 1; + + if (strncmp("Linux", buf.sysname, sizeof(buf.sysname))) + return 1; + + fd = open("/proc/sys/kernel/osrelease", O_RDONLY); + if (fd == -1) + return 1; + + r = read(fd, osrelease, sizeof(osrelease)); + if (r == -1) + return 1; + + close(fd); + + if (osrelease[r - 1] == '\n') + r--; + + /* Validate one of the later fields to ensure field sizes are correct */ + if (strncmp(osrelease, buf.release, r)) + return 1; + + /* Ensure the field domainname is set, it is missing from struct old_utsname */ + if (strnlen(buf.domainname, sizeof(buf.domainname)) == sizeof(buf.domainname)) + return 1; + + return 0; +} + +int test_mmap_munmap(void) +{ + int ret, fd, i, page_size; + void *mem; + size_t file_size, length, mem_length; + off_t offset, pa_offset; + struct stat stat_buf; + const char * const files[] = { + "/dev/zero", + "/proc/1/exe", "/proc/self/exe", + argv0, + NULL + }; + + page_size = getpagesize(); + if (page_size < 0) + return 1; + + /* find a right file to mmap, existed and accessible */ + for (i = 0; files[i] != NULL; i++) { + ret = fd = open(files[i], O_RDONLY); + if (ret == -1) + continue; + else + break; + } + if (ret == -1) + return 1; + + ret = stat(files[i], &stat_buf); + if (ret == -1) + goto end; + + /* file size of the special /dev/zero is 0, let's assign one manually */ + if (i == 0) + file_size = 3*page_size; + else + file_size = stat_buf.st_size; + + offset = file_size - 1; + if (offset < 0) + offset = 0; + length = file_size - offset; + pa_offset = offset & ~(page_size - 1); + mem_length = length + offset - pa_offset; + + mem = mmap(NULL, mem_length, PROT_READ, MAP_SHARED, fd, pa_offset); + if (mem == MAP_FAILED) { + ret = 1; + goto end; + } + + mem = mremap(mem, mem_length, mem_length * 2, MREMAP_MAYMOVE, 0); + if (mem == MAP_FAILED) { + munmap(mem, mem_length); + ret = 1; + goto end; + } + + ret = munmap(mem, mem_length * 2); + +end: + close(fd); + return !!ret; +} + +int test_pipe(void) +{ + const char *const msg = "hello, nolibc"; + int pipefd[2]; + char buf[32]; + size_t len; + + if (pipe(pipefd) == -1) + return 1; + + write(pipefd[1], msg, strlen(msg)); + close(pipefd[1]); + len = read(pipefd[0], buf, sizeof(buf)); + close(pipefd[0]); + + if (len != strlen(msg)) + return 1; + + 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; +} + +int test_openat(void) +{ + int dev, null; + + dev = openat(AT_FDCWD, "/dev", O_DIRECTORY); + if (dev < 0) + return -1; + + null = openat(dev, "null", O_RDONLY); + close(dev); + if (null < 0) + return -1; + + close(null); + return 0; +} + +int test_namespace(void) +{ + int original_ns, new_ns, ret; + ino_t original_ns_ino; + struct stat stat_buf; + + original_ns = open("/proc/self/ns/uts", O_RDONLY); + if (original_ns == -1) + return -1; + + ret = fstat(original_ns, &stat_buf); + if (ret) + goto out; + + original_ns_ino = stat_buf.st_ino; + + ret = unshare(CLONE_NEWUTS); + if (ret) + goto out; + + new_ns = open("/proc/self/ns/uts", O_RDONLY); + if (new_ns == -1) { + ret = new_ns; + goto out; + } + + ret = fstat(new_ns, &stat_buf); + close(new_ns); + if (ret) + goto out; + + if (stat_buf.st_ino == original_ns_ino) { + errno = EINVAL; + ret = -1; + goto out; + } + + ret = setns(original_ns, CLONE_NEWUTS); + if (ret) + goto out; + + new_ns = open("/proc/self/ns/uts", O_RDONLY); + if (new_ns == -1) { + ret = new_ns; + goto out; + } + + ret = fstat(new_ns, &stat_buf); + if (ret) + goto out; + + close(new_ns); + + if (stat_buf.st_ino != original_ns_ino) { + errno = EINVAL; + ret = -1; + goto out; + } + + ret = 0; + +out: + close(original_ns); + return ret; +} + +/* Run syscall tests between IDs <min> and <max>. + * Return 0 on success, non-zero on failure. + */ +int run_syscall(int min, int max) +{ + struct timeval tv; + struct timezone tz; + struct timespec ts; + struct stat stat_buf; + int euid0; + int proc; + int test; + int tmp; + int ret = 0; + void *p1, *p2; + int has_gettid = 1; + int has_brk; + + /* <proc> indicates whether or not /proc is mounted */ + proc = stat("/proc", &stat_buf) == 0; + + /* this will be used to skip certain tests that can't be run unprivileged */ + euid0 = geteuid() == 0; + + /* from 2.30, glibc provides gettid() */ +#if defined(__GLIBC_MINOR__) && defined(__GLIBC__) + has_gettid = __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 30); +#endif + + /* on musl setting brk()/sbrk() always fails */ + has_brk = brk(0) == 0; + + for (test = min; test >= 0 && test <= max; test++) { + int llen = 0; /* line length */ + + /* avoid leaving empty lines below, this will insert holes into + * test numbers. + */ + switch (test + __LINE__ + 1) { + CASE_TEST(access); EXPECT_SYSZR(proc, access("/proc/self", R_OK)); break; + CASE_TEST(access_bad); EXPECT_SYSER(proc, access("/proc/self", W_OK), -1, EPERM); break; + CASE_TEST(clock_getres); EXPECT_SYSZR(1, clock_getres(CLOCK_MONOTONIC, &ts)); break; + CASE_TEST(clock_gettime); EXPECT_SYSZR(1, clock_gettime(CLOCK_MONOTONIC, &ts)); break; + CASE_TEST(clock_settime); EXPECT_SYSER(1, clock_settime(CLOCK_MONOTONIC, &ts), -1, EINVAL); break; + CASE_TEST(getpid); EXPECT_SYSNE(1, getpid(), -1); break; + CASE_TEST(getppid); EXPECT_SYSNE(1, getppid(), -1); break; + CASE_TEST(gettid); EXPECT_SYSNE(has_gettid, gettid(), -1); break; + CASE_TEST(getpgid_self); EXPECT_SYSNE(1, getpgid(0), -1); break; + CASE_TEST(getpgid_bad); EXPECT_SYSER(1, getpgid(-1), -1, ESRCH); break; + CASE_TEST(kill_0); EXPECT_SYSZR(1, kill(getpid(), 0)); break; + CASE_TEST(kill_CONT); EXPECT_SYSZR(1, kill(getpid(), 0)); break; + CASE_TEST(kill_BADPID); EXPECT_SYSER(1, kill(INT_MAX, 0), -1, ESRCH); break; + CASE_TEST(sbrk_0); EXPECT_PTRNE(has_brk, sbrk(0), (void *)-1); break; + CASE_TEST(sbrk); if ((p1 = p2 = sbrk(4096)) != (void *)-1) p2 = sbrk(-4096); EXPECT_SYSZR(has_brk, (p2 == (void *)-1) || p2 == p1); break; + CASE_TEST(brk); EXPECT_SYSZR(has_brk, brk(sbrk(0))); break; + CASE_TEST(chdir_root); EXPECT_SYSZR(1, chdir("/")); chdir(getenv("PWD")); break; + CASE_TEST(chdir_dot); EXPECT_SYSZR(1, chdir(".")); break; + CASE_TEST(chdir_blah); EXPECT_SYSER(1, chdir("/blah"), -1, ENOENT); break; + CASE_TEST(chmod_argv0); EXPECT_SYSZR(1, chmod(argv0, 0555)); break; + CASE_TEST(chmod_self); EXPECT_SYSER(proc, chmod("/proc/self", 0555), -1, EPERM); break; + CASE_TEST(chown_self); EXPECT_SYSER(proc, chown("/proc/self", 0, 0), -1, EPERM); break; + CASE_TEST(chroot_root); EXPECT_SYSZR(euid0, chroot("/")); break; + CASE_TEST(chroot_blah); EXPECT_SYSER(1, chroot("/proc/self/blah"), -1, ENOENT); break; + CASE_TEST(chroot_exe); EXPECT_SYSER(1, chroot(argv0), -1, ENOTDIR); break; + CASE_TEST(close_m1); EXPECT_SYSER(1, close(-1), -1, EBADF); break; + CASE_TEST(close_dup); EXPECT_SYSZR(1, close(dup(0))); break; + CASE_TEST(dup_0); tmp = dup(0); EXPECT_SYSNE(1, tmp, -1); close(tmp); break; + CASE_TEST(dup_m1); tmp = dup(-1); EXPECT_SYSER(1, tmp, -1, EBADF); if (tmp != -1) close(tmp); break; + CASE_TEST(dup2_0); tmp = dup2(0, 100); EXPECT_SYSNE(1, tmp, -1); close(tmp); break; + CASE_TEST(dup2_m1); tmp = dup2(-1, 100); EXPECT_SYSER(1, tmp, -1, EBADF); if (tmp != -1) close(tmp); break; + CASE_TEST(dup3_0); tmp = dup3(0, 100, 0); EXPECT_SYSNE(1, tmp, -1); close(tmp); break; + CASE_TEST(dup3_m1); tmp = dup3(-1, 100, 0); EXPECT_SYSER(1, tmp, -1, EBADF); if (tmp != -1) close(tmp); break; + CASE_TEST(execve_root); EXPECT_SYSER(1, execve("/", (char*[]){ [0] = "/", [1] = NULL }, NULL), -1, EACCES); break; + CASE_TEST(file_stream); EXPECT_SYSZR(1, test_file_stream()); break; + CASE_TEST(fork); EXPECT_SYSZR(1, test_fork()); break; + CASE_TEST(getdents64_root); EXPECT_SYSNE(1, test_getdents64("/"), -1); break; + CASE_TEST(getdents64_null); EXPECT_SYSER(1, test_getdents64("/dev/null"), -1, ENOTDIR); break; + CASE_TEST(directories); EXPECT_SYSZR(proc, test_dirent()); break; + CASE_TEST(getrandom); EXPECT_SYSZR(1, test_getrandom()); break; + CASE_TEST(gettimeofday_tv); EXPECT_SYSZR(1, gettimeofday(&tv, NULL)); break; + 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(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; + CASE_TEST(link_cross); EXPECT_SYSER(proc, link("/proc/self/cmdline", "/blah"), -1, EXDEV); break; + CASE_TEST(lseek_m1); EXPECT_SYSER(1, lseek(-1, 0, SEEK_SET), -1, EBADF); break; + CASE_TEST(lseek_0); EXPECT_SYSER(1, lseek(0, 0, SEEK_SET), -1, ESPIPE); break; + CASE_TEST(mkdir_root); EXPECT_SYSER(1, mkdir("/", 0755), -1, EEXIST); break; + CASE_TEST(mmap_bad); EXPECT_PTRER(1, mmap(NULL, 0, PROT_READ, MAP_PRIVATE, 0, 0), MAP_FAILED, EINVAL); break; + CASE_TEST(munmap_bad); EXPECT_SYSER(1, munmap(NULL, 0), -1, EINVAL); break; + CASE_TEST(mmap_munmap_good); EXPECT_SYSZR(1, test_mmap_munmap()); break; + CASE_TEST(open_tty); EXPECT_SYSNE(1, tmp = open("/dev/null", O_RDONLY), -1); if (tmp != -1) close(tmp); break; + CASE_TEST(open_blah); EXPECT_SYSER(1, tmp = open("/proc/self/blah", O_RDONLY), -1, ENOENT); if (tmp != -1) close(tmp); break; + CASE_TEST(openat_dir); EXPECT_SYSZR(1, test_openat()); break; + CASE_TEST(pipe); EXPECT_SYSZR(1, test_pipe()); break; + CASE_TEST(poll_null); EXPECT_SYSZR(1, poll(NULL, 0, 0)); break; + CASE_TEST(poll_stdout); EXPECT_SYSNE(1, ({ struct pollfd fds = { 1, POLLOUT, 0}; poll(&fds, 1, 0); }), -1); break; + 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; + CASE_TEST(select_stdout); EXPECT_SYSNE(1, ({ fd_set fds; FD_ZERO(&fds); FD_SET(1, &fds); select(2, NULL, &fds, NULL, NULL); }), -1); break; + CASE_TEST(select_fault); EXPECT_SYSER(1, select(1, (void *)1, NULL, NULL, 0), -1, EFAULT); break; + CASE_TEST(stat_blah); EXPECT_SYSER(1, stat("/proc/self/blah", &stat_buf), -1, ENOENT); break; + CASE_TEST(stat_fault); EXPECT_SYSER(1, stat(NULL, &stat_buf), -1, EFAULT); break; + CASE_TEST(stat_timestamps); EXPECT_SYSZR(1, test_stat_timestamps()); break; + CASE_TEST(symlink_root); EXPECT_SYSER(1, symlink("/", "/"), -1, EEXIST); break; + CASE_TEST(timer); EXPECT_SYSZR(1, test_timer()); break; + CASE_TEST(timerfd); EXPECT_SYSZR(1, test_timerfd()); break; + CASE_TEST(uname); EXPECT_SYSZR(proc, test_uname()); break; + CASE_TEST(uname_fault); EXPECT_SYSER(1, uname(NULL), -1, EFAULT); break; + CASE_TEST(unlink_root); EXPECT_SYSER(1, unlink("/"), -1, EISDIR); break; + CASE_TEST(unlink_blah); EXPECT_SYSER(1, unlink("/proc/self/blah"), -1, ENOENT); break; + CASE_TEST(wait_child); EXPECT_SYSER(1, wait(&tmp), -1, ECHILD); break; + CASE_TEST(waitpid_min); EXPECT_SYSER(1, waitpid(INT_MIN, &tmp, WNOHANG), -1, ESRCH); break; + CASE_TEST(waitpid_child); EXPECT_SYSER(1, waitpid(getpid(), &tmp, WNOHANG), -1, ECHILD); break; + CASE_TEST(write_badf); EXPECT_SYSER(1, write(-1, &tmp, 1), -1, EBADF); break; + CASE_TEST(write_zero); EXPECT_SYSZR(1, write(1, &tmp, 0)); break; + CASE_TEST(syscall_noargs); EXPECT_SYSEQ(1, syscall(__NR_getpid), getpid()); break; + CASE_TEST(syscall_args); EXPECT_SYSER(1, syscall(__NR_statx, 0, NULL, 0, 0, NULL), -1, EFAULT); break; + CASE_TEST(namespace); EXPECT_SYSZR(euid0 && proc, test_namespace()); break; + case __LINE__: + return ret; /* must be last */ + /* note: do not set any defaults so as to permit holes above */ + } + } + return ret; +} + +int test_difftime(void) +{ + if (difftime(200., 100.) != 100.) + return 1; + + if (difftime(100., 200.) != -100.) + return 1; + + return 0; +} + +int run_stdlib(int min, int max) +{ + int test; + int ret = 0; + + for (test = min; test >= 0 && test <= max; test++) { + int llen = 0; /* line length */ + + /* For functions that take a long buffer, like strlcat() + * Add some more chars after the \0, to test functions that overwrite the buffer set + * the \0 at the exact right position. + */ + char buf[10] = "test123456"; + buf[4] = '\0'; + + + /* avoid leaving empty lines below, this will insert holes into + * test numbers. + */ + switch (test + __LINE__ + 1) { + CASE_TEST(getenv_TERM); EXPECT_STRNZ(1, getenv("TERM")); break; + CASE_TEST(getenv_blah); EXPECT_STRZR(1, getenv("blah")); break; + CASE_TEST(setcmp_blah_blah); EXPECT_EQ(1, strcmp("blah", "blah"), 0); break; + CASE_TEST(setcmp_blah_blah2); EXPECT_NE(1, strcmp("blah", "blah2"), 0); break; + CASE_TEST(setncmp_blah_blah); EXPECT_EQ(1, strncmp("blah", "blah", 10), 0); break; + CASE_TEST(setncmp_blah_blah4); EXPECT_EQ(1, strncmp("blah", "blah4", 4), 0); break; + CASE_TEST(setncmp_blah_blah5); EXPECT_NE(1, strncmp("blah", "blah5", 5), 0); break; + CASE_TEST(setncmp_blah_blah6); EXPECT_NE(1, strncmp("blah", "blah6", 6), 0); break; + CASE_TEST(strchr_foobar_o); EXPECT_STREQ(1, strchr("foobar", 'o'), "oobar"); break; + CASE_TEST(strchr_foobar_z); EXPECT_STRZR(1, strchr("foobar", 'z')); break; + CASE_TEST(strrchr_foobar_o); EXPECT_STREQ(1, strrchr("foobar", 'o'), "obar"); break; + CASE_TEST(strrchr_foobar_z); EXPECT_STRZR(1, strrchr("foobar", 'z')); break; + CASE_TEST(strlcat_0); EXPECT_STRBUFEQ(is_nolibc, strlcat(buf, "bar", 0), buf, 3, "test"); break; + CASE_TEST(strlcat_1); EXPECT_STRBUFEQ(is_nolibc, strlcat(buf, "bar", 1), buf, 4, "test"); break; + CASE_TEST(strlcat_5); EXPECT_STRBUFEQ(is_nolibc, strlcat(buf, "bar", 5), buf, 7, "test"); break; + CASE_TEST(strlcat_6); EXPECT_STRBUFEQ(is_nolibc, strlcat(buf, "bar", 6), buf, 7, "testb"); break; + CASE_TEST(strlcat_7); EXPECT_STRBUFEQ(is_nolibc, strlcat(buf, "bar", 7), buf, 7, "testba"); break; + CASE_TEST(strlcat_8); EXPECT_STRBUFEQ(is_nolibc, strlcat(buf, "bar", 8), buf, 7, "testbar"); break; + CASE_TEST(strlcpy_0); EXPECT_STRBUFEQ(is_nolibc, strlcpy(buf, "bar", 0), buf, 3, "test"); break; + CASE_TEST(strlcpy_1); EXPECT_STRBUFEQ(is_nolibc, strlcpy(buf, "bar", 1), buf, 3, ""); break; + CASE_TEST(strlcpy_2); EXPECT_STRBUFEQ(is_nolibc, strlcpy(buf, "bar", 2), buf, 3, "b"); break; + CASE_TEST(strlcpy_3); EXPECT_STRBUFEQ(is_nolibc, strlcpy(buf, "bar", 3), buf, 3, "ba"); break; + CASE_TEST(strlcpy_4); EXPECT_STRBUFEQ(is_nolibc, strlcpy(buf, "bar", 4), buf, 3, "bar"); break; + CASE_TEST(strstr_foobar_foo); EXPECT_STREQ(1, strstr("foobar", "foo"), "foobar"); break; + CASE_TEST(strstr_foobar_bar); EXPECT_STREQ(1, strstr("foobar", "bar"), "bar"); break; + CASE_TEST(strstr_foobar_baz); EXPECT_PTREQ(1, strstr("foobar", "baz"), NULL); break; + CASE_TEST(memcmp_20_20); EXPECT_EQ(1, memcmp("aaa\x20", "aaa\x20", 4), 0); break; + CASE_TEST(memcmp_20_60); EXPECT_LT(1, memcmp("aaa\x20", "aaa\x60", 4), 0); break; + CASE_TEST(memcmp_60_20); EXPECT_GT(1, memcmp("aaa\x60", "aaa\x20", 4), 0); break; + CASE_TEST(memcmp_20_e0); EXPECT_LT(1, memcmp("aaa\x20", "aaa\xe0", 4), 0); break; + CASE_TEST(memcmp_e0_20); EXPECT_GT(1, memcmp("aaa\xe0", "aaa\x20", 4), 0); break; + CASE_TEST(memcmp_80_e0); EXPECT_LT(1, memcmp("aaa\x80", "aaa\xe0", 4), 0); break; + CASE_TEST(memcmp_e0_80); EXPECT_GT(1, memcmp("aaa\xe0", "aaa\x80", 4), 0); break; + CASE_TEST(limit_int8_max); EXPECT_EQ(1, INT8_MAX, (int8_t) 0x7f); break; + CASE_TEST(limit_int8_min); EXPECT_EQ(1, INT8_MIN, (int8_t) 0x80); break; + CASE_TEST(limit_uint8_max); EXPECT_EQ(1, UINT8_MAX, (uint8_t) 0xff); break; + CASE_TEST(limit_int16_max); EXPECT_EQ(1, INT16_MAX, (int16_t) 0x7fff); break; + CASE_TEST(limit_int16_min); EXPECT_EQ(1, INT16_MIN, (int16_t) 0x8000); break; + CASE_TEST(limit_uint16_max); EXPECT_EQ(1, UINT16_MAX, (uint16_t) 0xffff); break; + CASE_TEST(limit_int32_max); EXPECT_EQ(1, INT32_MAX, (int32_t) 0x7fffffff); break; + CASE_TEST(limit_int32_min); EXPECT_EQ(1, INT32_MIN, (int32_t) 0x80000000); break; + CASE_TEST(limit_uint32_max); EXPECT_EQ(1, UINT32_MAX, (uint32_t) 0xffffffff); break; + CASE_TEST(limit_int64_max); EXPECT_EQ(1, INT64_MAX, (int64_t) 0x7fffffffffffffff); break; + CASE_TEST(limit_int64_min); EXPECT_EQ(1, INT64_MIN, (int64_t) 0x8000000000000000); break; + CASE_TEST(limit_uint64_max); EXPECT_EQ(1, UINT64_MAX, (uint64_t) 0xffffffffffffffff); break; + CASE_TEST(limit_int_least8_max); EXPECT_EQ(1, INT_LEAST8_MAX, (int_least8_t) 0x7f); break; + CASE_TEST(limit_int_least8_min); EXPECT_EQ(1, INT_LEAST8_MIN, (int_least8_t) 0x80); break; + CASE_TEST(limit_uint_least8_max); EXPECT_EQ(1, UINT_LEAST8_MAX, (uint_least8_t) 0xff); break; + CASE_TEST(limit_int_least16_max); EXPECT_EQ(1, INT_LEAST16_MAX, (int_least16_t) 0x7fff); break; + CASE_TEST(limit_int_least16_min); EXPECT_EQ(1, INT_LEAST16_MIN, (int_least16_t) 0x8000); break; + CASE_TEST(limit_uint_least16_max); EXPECT_EQ(1, UINT_LEAST16_MAX, (uint_least16_t) 0xffff); break; + CASE_TEST(limit_int_least32_max); EXPECT_EQ(1, INT_LEAST32_MAX, (int_least32_t) 0x7fffffff); break; + CASE_TEST(limit_int_least32_min); EXPECT_EQ(1, INT_LEAST32_MIN, (int_least32_t) 0x80000000); break; + CASE_TEST(limit_uint_least32_max); EXPECT_EQ(1, UINT_LEAST32_MAX, (uint_least32_t) 0xffffffffU); break; + CASE_TEST(limit_int_least64_min); EXPECT_EQ(1, INT_LEAST64_MIN, (int_least64_t) 0x8000000000000000LL); break; + CASE_TEST(limit_int_least64_max); EXPECT_EQ(1, INT_LEAST64_MAX, (int_least64_t) 0x7fffffffffffffffLL); break; + CASE_TEST(limit_uint_least64_max); EXPECT_EQ(1, UINT_LEAST64_MAX, (uint_least64_t) 0xffffffffffffffffULL); break; + CASE_TEST(limit_int_fast8_max); EXPECT_EQ(1, INT_FAST8_MAX, (int_fast8_t) 0x7f); break; + CASE_TEST(limit_int_fast8_min); EXPECT_EQ(1, INT_FAST8_MIN, (int_fast8_t) 0x80); break; + CASE_TEST(limit_uint_fast8_max); EXPECT_EQ(1, UINT_FAST8_MAX, (uint_fast8_t) 0xff); break; + CASE_TEST(limit_int_fast16_min); EXPECT_EQ(1, INT_FAST16_MIN, (int_fast16_t) SINT_MIN_OF_TYPE(int_fast16_t)); break; + CASE_TEST(limit_int_fast16_max); EXPECT_EQ(1, INT_FAST16_MAX, (int_fast16_t) SINT_MAX_OF_TYPE(int_fast16_t)); break; + CASE_TEST(limit_uint_fast16_max); EXPECT_EQ(1, UINT_FAST16_MAX, (uint_fast16_t) UINTPTR_MAX); break; + CASE_TEST(limit_int_fast32_min); EXPECT_EQ(1, INT_FAST32_MIN, (int_fast32_t) SINT_MIN_OF_TYPE(int_fast32_t)); break; + CASE_TEST(limit_int_fast32_max); EXPECT_EQ(1, INT_FAST32_MAX, (int_fast32_t) SINT_MAX_OF_TYPE(int_fast32_t)); break; + CASE_TEST(limit_uint_fast32_max); EXPECT_EQ(1, UINT_FAST32_MAX, (uint_fast32_t) UINTPTR_MAX); break; + CASE_TEST(limit_int_fast64_min); EXPECT_EQ(1, INT_FAST64_MIN, (int_fast64_t) INT64_MIN); break; + CASE_TEST(limit_int_fast64_max); EXPECT_EQ(1, INT_FAST64_MAX, (int_fast64_t) INT64_MAX); break; + CASE_TEST(limit_uint_fast64_max); EXPECT_EQ(1, UINT_FAST64_MAX, (uint_fast64_t) UINT64_MAX); break; + CASE_TEST(sizeof_long_sane); EXPECT_EQ(1, sizeof(long) == 8 || sizeof(long) == 4, 1); break; + CASE_TEST(limit_intptr_min); EXPECT_EQ(1, INTPTR_MIN, sizeof(long) == 8 ? (intptr_t) 0x8000000000000000LL : (intptr_t) 0x80000000); break; + CASE_TEST(limit_intptr_max); EXPECT_EQ(1, INTPTR_MAX, sizeof(long) == 8 ? (intptr_t) 0x7fffffffffffffffLL : (intptr_t) 0x7fffffff); break; + CASE_TEST(limit_uintptr_max); EXPECT_EQ(1, UINTPTR_MAX, sizeof(long) == 8 ? (uintptr_t) 0xffffffffffffffffULL : (uintptr_t) 0xffffffffU); break; + CASE_TEST(limit_ptrdiff_min); EXPECT_EQ(1, PTRDIFF_MIN, sizeof(long) == 8 ? (ptrdiff_t) 0x8000000000000000LL : (ptrdiff_t) 0x80000000); break; + CASE_TEST(limit_ptrdiff_max); EXPECT_EQ(1, PTRDIFF_MAX, sizeof(long) == 8 ? (ptrdiff_t) 0x7fffffffffffffffLL : (ptrdiff_t) 0x7fffffff); break; + CASE_TEST(limit_size_max); EXPECT_EQ(1, SIZE_MAX, sizeof(long) == 8 ? (size_t) 0xffffffffffffffffULL : (size_t) 0xffffffffU); break; + CASE_TEST(strtol_simple); EXPECT_STRTOX(1, strtol, "35", 10, 35, -1, 0); break; + CASE_TEST(strtol_positive); EXPECT_STRTOX(1, strtol, "+35", 10, 35, -1, 0); break; + CASE_TEST(strtol_negative); EXPECT_STRTOX(1, strtol, "-35", 10, -35, -1, 0); break; + CASE_TEST(strtol_hex_auto); EXPECT_STRTOX(1, strtol, "0xFF", 0, 255, -1, 0); break; + CASE_TEST(strtol_base36); EXPECT_STRTOX(1, strtol, "12yZ", 36, 50507, -1, 0); break; + CASE_TEST(strtol_cutoff); EXPECT_STRTOX(1, strtol, "1234567890", 8, 342391, 7, 0); break; + CASE_TEST(strtol_octal_auto); EXPECT_STRTOX(1, strtol, "011", 0, 9, -1, 0); break; + CASE_TEST(strtol_hex_00); EXPECT_STRTOX(1, strtol, "0x00", 16, 0, -1, 0); break; + CASE_TEST(strtol_hex_FF); EXPECT_STRTOX(1, strtol, "FF", 16, 255, -1, 0); break; + CASE_TEST(strtol_hex_ff); EXPECT_STRTOX(1, strtol, "ff", 16, 255, -1, 0); break; + CASE_TEST(strtol_hex_prefix); EXPECT_STRTOX(1, strtol, "0xFF", 16, 255, -1, 0); break; + CASE_TEST(strtol_trailer); EXPECT_STRTOX(1, strtol, "35foo", 10, 35, 2, 0); break; + CASE_TEST(strtol_overflow); EXPECT_STRTOX(1, strtol, "0x8000000000000000", 16, LONG_MAX, -1, ERANGE); break; + CASE_TEST(strtol_underflow); EXPECT_STRTOX(1, strtol, "-0x8000000000000001", 16, LONG_MIN, -1, ERANGE); break; + CASE_TEST(strtoul_negative); EXPECT_STRTOX(1, strtoul, "-0x1", 16, ULONG_MAX, 4, 0); break; + CASE_TEST(strtoul_overflow); EXPECT_STRTOX(1, strtoul, "0x10000000000000000", 16, ULONG_MAX, -1, ERANGE); break; + CASE_TEST(strerror_success); EXPECT_STREQ(is_nolibc, strerror(0), "errno=0"); break; + CASE_TEST(strerror_EINVAL); EXPECT_STREQ(is_nolibc, strerror(EINVAL), "errno=22"); break; + CASE_TEST(strerror_int_max); EXPECT_STREQ(is_nolibc, strerror(INT_MAX), "errno=2147483647"); break; + CASE_TEST(strerror_int_min); EXPECT_STREQ(is_nolibc, strerror(INT_MIN), "errno=-2147483648"); break; + CASE_TEST(tolower); EXPECT_EQ(1, tolower('A'), 'a'); break; + CASE_TEST(tolower_noop); EXPECT_EQ(1, tolower('a'), 'a'); break; + CASE_TEST(toupper); EXPECT_EQ(1, toupper('a'), 'A'); break; + CASE_TEST(toupper_noop); EXPECT_EQ(1, toupper('A'), 'A'); break; + CASE_TEST(abs); EXPECT_EQ(1, abs(-10), 10); break; + CASE_TEST(abs_noop); EXPECT_EQ(1, abs(10), 10); break; + CASE_TEST(difftime); EXPECT_ZR(1, test_difftime()); break; + + case __LINE__: + return ret; /* must be last */ + /* note: do not set any defaults so as to permit holes above */ + } + } + return ret; +} + +#define EXPECT_VFPRINTF(c, expected, fmt, ...) \ + ret += expect_vfprintf(llen, c, expected, fmt, ##__VA_ARGS__) + +static int expect_vfprintf(int llen, int c, const char *expected, const char *fmt, ...) +{ + char buf[100]; + va_list args; + ssize_t w; + int ret; + + + va_start(args, fmt); + /* Only allow writing 21 bytes, to test truncation */ + w = vsnprintf(buf, 21, fmt, args); + va_end(args); + + if (w != c) { + llen += printf(" written(%d) != %d", (int)w, c); + result(llen, FAIL); + return 1; + } + + llen += printf(" \"%s\" = \"%s\"", expected, buf); + ret = strncmp(expected, buf, c); + + result(llen, ret ? FAIL : OK); + return ret; +} + +static int test_scanf(void) +{ + unsigned long long ull; + unsigned long ul; + unsigned int u; + long long ll; + long l; + void *p; + int i; + + /* return __LINE__ to point to the specific failure */ + + /* test EOF */ + if (sscanf("", "foo") != EOF) + return __LINE__; + + /* test simple literal without placeholder */ + if (sscanf("foo", "foo") != 0) + return __LINE__; + + /* test single placeholder */ + if (sscanf("123", "%d", &i) != 1) + return __LINE__; + + if (i != 123) + return __LINE__; + + /* test multiple place holders and separators */ + if (sscanf("a123b456c0x90", "a%db%uc%p", &i, &u, &p) != 3) + return __LINE__; + + if (i != 123) + return __LINE__; + + if (u != 456) + return __LINE__; + + if (p != (void *)0x90) + return __LINE__; + + /* test space handling */ + if (sscanf("a b1", "a b%d", &i) != 1) + return __LINE__; + + if (i != 1) + return __LINE__; + + /* test literal percent */ + if (sscanf("a%1", "a%%%d", &i) != 1) + return __LINE__; + + if (i != 1) + return __LINE__; + + /* test stdint.h types */ + if (sscanf("1|2|3|4|5|6", + "%d|%ld|%lld|%u|%lu|%llu", + &i, &l, &ll, &u, &ul, &ull) != 6) + return __LINE__; + + if (i != 1 || l != 2 || ll != 3 || + u != 4 || ul != 5 || ull != 6) + return __LINE__; + + return 0; +} + +int test_strerror(void) +{ + char buf[100]; + ssize_t ret; + + memset(buf, 'A', sizeof(buf)); + + errno = EINVAL; + ret = snprintf(buf, sizeof(buf), "%m"); + if (is_nolibc) { + if (ret < 6 || memcmp(buf, "errno=", 6)) + return 1; + } + + return 0; +} + +static int run_printf(int min, int max) +{ + int test; + int ret = 0; + + for (test = min; test >= 0 && test <= max; test++) { + int llen = 0; /* line length */ + + /* avoid leaving empty lines below, this will insert holes into + * test numbers. + */ + switch (test + __LINE__ + 1) { + CASE_TEST(empty); EXPECT_VFPRINTF(0, "", ""); break; + CASE_TEST(simple); EXPECT_VFPRINTF(3, "foo", "foo"); break; + CASE_TEST(string); EXPECT_VFPRINTF(3, "foo", "%s", "foo"); break; + CASE_TEST(number); EXPECT_VFPRINTF(4, "1234", "%d", 1234); break; + CASE_TEST(negnumber); EXPECT_VFPRINTF(5, "-1234", "%d", -1234); break; + CASE_TEST(unsigned); EXPECT_VFPRINTF(5, "12345", "%u", 12345); break; + CASE_TEST(char); EXPECT_VFPRINTF(1, "c", "%c", 'c'); break; + CASE_TEST(hex); EXPECT_VFPRINTF(1, "f", "%x", 0xf); break; + CASE_TEST(pointer); EXPECT_VFPRINTF(3, "0x1", "%p", (void *) 0x1); break; + CASE_TEST(uintmax_t); EXPECT_VFPRINTF(20, "18446744073709551615", "%ju", 0xffffffffffffffffULL); break; + CASE_TEST(intmax_t); EXPECT_VFPRINTF(20, "-9223372036854775807", "%jd", 0x8000000000000001LL); break; + CASE_TEST(truncation); EXPECT_VFPRINTF(25, "01234567890123456789", "%s", "0123456789012345678901234"); break; + CASE_TEST(string_width); EXPECT_VFPRINTF(10, " 1", "%10s", "1"); break; + CASE_TEST(number_width); EXPECT_VFPRINTF(10, " 1", "%10d", 1); break; + CASE_TEST(width_trunc); EXPECT_VFPRINTF(25, " ", "%25d", 1); break; + CASE_TEST(scanf); EXPECT_ZR(1, test_scanf()); break; + CASE_TEST(strerror); EXPECT_ZR(1, test_strerror()); break; + case __LINE__: + return ret; /* must be last */ + /* note: do not set any defaults so as to permit holes above */ + } + } + return ret; +} + +__attribute__((no_sanitize("undefined"))) +static int smash_stack(void) +{ + char buf[100]; + volatile char *ptr = buf; + size_t i; + + for (i = 0; i < 200; i++) + ptr[i] = 'P'; + + return 1; +} + +static int run_protection(int min __attribute__((unused)), + int max __attribute__((unused))) +{ + pid_t pid; + int llen = 0, status; + struct rlimit rlimit = { 0, 0 }; + + llen += printf("0 -fstackprotector "); + +#if !defined(_NOLIBC_STACKPROTECTOR) + llen += printf("not supported"); + result(llen, SKIPPED); + return 0; +#endif + +#if defined(_NOLIBC_STACKPROTECTOR) + if (!__stack_chk_guard) { + llen += printf("__stack_chk_guard not initialized"); + result(llen, FAIL); + return 1; + } +#endif + + pid = -1; + pid = fork(); + + switch (pid) { + case -1: + llen += printf("fork()"); + result(llen, FAIL); + return 1; + + case 0: + close(STDOUT_FILENO); + close(STDERR_FILENO); + + prctl(PR_SET_DUMPABLE, 0, 0, 0, 0); + setrlimit(RLIMIT_CORE, &rlimit); + smash_stack(); + return 1; + + default: + pid = waitpid(pid, &status, 0); + + if (pid == -1 || !WIFSIGNALED(status) || WTERMSIG(status) != SIGABRT) { + llen += printf("waitpid()"); + result(llen, FAIL); + return 1; + } + result(llen, OK); + return 0; + } +} + +/* prepare what needs to be prepared for pid 1 (stdio, /dev, /proc, etc) */ +int prepare(void) +{ + struct stat stat_buf; + + /* It's possible that /dev doesn't even exist or was not mounted, so + * we'll try to create it, mount it, or create minimal entries into it. + * We want at least /dev/null and /dev/console. + */ + if (stat("/dev/.", &stat_buf) == 0 || mkdir("/dev", 0755) == 0) { + if (stat("/dev/console", &stat_buf) != 0 || + stat("/dev/null", &stat_buf) != 0 || + stat("/dev/zero", &stat_buf) != 0) { + /* try devtmpfs first, otherwise fall back to manual creation */ + if (mount("/dev", "/dev", "devtmpfs", 0, 0) != 0) { + mknod("/dev/console", 0600 | S_IFCHR, makedev(5, 1)); + mknod("/dev/null", 0666 | S_IFCHR, makedev(1, 3)); + mknod("/dev/zero", 0666 | S_IFCHR, makedev(1, 5)); + } + } + } + + /* If no /dev/console was found before calling init, stdio is closed so + * we need to reopen it from /dev/console. If it failed above, it will + * still fail here and we cannot emit a message anyway. + */ + if (close(dup(1)) == -1) { + int fd = open("/dev/console", O_RDWR); + + if (fd >= 0) { + if (fd != 0) + dup2(fd, 0); + if (fd != 1) + dup2(fd, 1); + if (fd != 2) + dup2(fd, 2); + if (fd > 2) + close(fd); + puts("\nSuccessfully reopened /dev/console."); + } + } + + /* try to mount /proc if not mounted. Silently fail otherwise */ + if (stat("/proc/.", &stat_buf) == 0 || mkdir("/proc", 0755) == 0) { + if (stat("/proc/self", &stat_buf) != 0) { + /* If not mountable, remove /proc completely to avoid misuse */ + if (mount("none", "/proc", "proc", 0, 0) != 0) + rmdir("/proc"); + } + } + + /* some tests rely on a writable /tmp */ + mkdir("/tmp", 0755); + + return 0; +} + +/* This is the definition of known test names, with their functions */ +static const struct test test_names[] = { + /* add new tests here */ + { .name = "startup", .func = run_startup }, + { .name = "syscall", .func = run_syscall }, + { .name = "stdlib", .func = run_stdlib }, + { .name = "printf", .func = run_printf }, + { .name = "protection", .func = run_protection }, + { 0 } +}; + +static int is_setting_valid(char *test) +{ + int idx, len, test_len, valid = 0; + char delimiter; + + if (!test) + return valid; + + test_len = strlen(test); + + for (idx = 0; test_names[idx].name; idx++) { + len = strlen(test_names[idx].name); + if (test_len < len) + continue; + + if (strncmp(test, test_names[idx].name, len) != 0) + continue; + + delimiter = test[len]; + if (delimiter != ':' && delimiter != ',' && delimiter != '\0') + continue; + + valid = 1; + break; + } + + return valid; +} + +int main(int argc, char **argv, char **envp) +{ + int min = 0; + int max = INT_MAX; + int ret = 0; + int err; + int idx; + char *test; + + argv0 = argv[0]; + test_argc = argc; + test_argv = argv; + test_envp = envp; + + /* when called as init, it's possible that no console was opened, for + * example if no /dev file system was provided. We'll check that fd#1 + * was opened, and if not we'll attempt to create and open /dev/console + * and /dev/null that we'll use for later tests. + */ + if (getpid() == 1) + prepare(); + + /* the definition of a series of tests comes from either argv[1] or the + * "NOLIBC_TEST" environment variable. It's made of a comma-delimited + * series of test names and optional ranges: + * syscall:5-15[:.*],stdlib:8-10 + */ + test = argv[1]; + if (!is_setting_valid(test)) + test = getenv("NOLIBC_TEST"); + + if (is_setting_valid(test)) { + char *comma, *colon, *dash, *value; + + do { + comma = strchr(test, ','); + if (comma) + *(comma++) = '\0'; + + colon = strchr(test, ':'); + if (colon) + *(colon++) = '\0'; + + for (idx = 0; test_names[idx].name; idx++) { + if (strcmp(test, test_names[idx].name) == 0) + break; + } + + if (test_names[idx].name) { + /* The test was named, it will be called at least + * once. We may have an optional range at <colon> + * here, which defaults to the full range. + */ + do { + min = 0; max = INT_MAX; + value = colon; + if (value && *value) { + colon = strchr(value, ':'); + if (colon) + *(colon++) = '\0'; + + dash = strchr(value, '-'); + if (dash) + *(dash++) = '\0'; + + /* support :val: :min-max: :min-: :-max: */ + if (*value) + min = atoi(value); + if (!dash) + max = min; + else if (*dash) + max = atoi(dash); + + value = colon; + } + + /* now's time to call the test */ + printf("Running test '%s'\n", test_names[idx].name); + err = test_names[idx].func(min, max); + ret += err; + printf("Errors during this test: %d\n\n", err); + } while (colon && *colon); + } else + printf("Ignoring unknown test name '%s'\n", test); + + test = comma; + } while (test && *test); + } else { + /* no test mentioned, run everything */ + for (idx = 0; test_names[idx].name; idx++) { + printf("Running test '%s'\n", test_names[idx].name); + err = test_names[idx].func(min, max); + ret += err; + printf("Errors during this test: %d\n\n", err); + } + } + + printf("Total number of errors: %d\n", ret); + + if (getpid() == 1) { + /* we're running as init, there's no other process on the + * system, thus likely started from a VM for a quick check. + * Exiting will provoke a kernel panic that may be reported + * as an error by Qemu or the hypervisor, while stopping + * cleanly will often be reported as a success. This allows + * to use the output of this program for bisecting kernels. + */ + printf("Leaving init with final status: %d\n", !!ret); + if (ret == 0) + reboot(RB_POWER_OFF); +#if defined(__x86_64__) + /* QEMU started with "-device isa-debug-exit -no-reboot" will + * exit with status code 2N+1 when N is written to 0x501. We + * hard-code the syscall here as it's arch-dependent. + */ + else if (syscall(__NR_ioperm, 0x501, 1, 1) == 0) + __asm__ volatile ("outb %%al, %%dx" :: "d"(0x501), "a"(0)); + /* if it does nothing, fall back to the regular panic */ +#endif + } + + printf("Exiting with status %d\n", !!ret); + return !!ret; +} diff --git a/tools/testing/selftests/nolibc/run-tests.sh b/tools/testing/selftests/nolibc/run-tests.sh new file mode 100755 index 000000000000..8277599e6441 --- /dev/null +++ b/tools/testing/selftests/nolibc/run-tests.sh @@ -0,0 +1,210 @@ +#!/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 +werror=1 +llvm= +all_archs=( + i386 x86_64 + arm64 arm armthumb + mips32le mips32be + ppc ppc64 ppc64le + riscv32 riscv64 + s390x s390 + loongarch + sparc32 sparc64 + m68k +) +archs="${all_archs[@]}" + +TEMP=$(getopt -o 'j:d:c:b:a:m:pelh' -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}) + -e Disable -Werror + -l Build with LLVM/clang +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="$2" + shift 2; continue ;; + '-e') + werror=0 + shift; continue ;; + '-l') + llvm=1 + shift; continue ;; + '-h') + print_usage + exit 0 + ;; + '--') + shift; break ;; + *) + echo 'Internal error!' >&2; exit 1 ;; + esac +done + +if [[ -n "$*" ]]; then + archs="$*" +fi + +crosstool_arch() { + case "$1" in + arm64) echo aarch64;; + armthumb) echo arm;; + ppc) echo powerpc;; + ppc64) echo powerpc64;; + ppc64le) echo powerpc64;; + riscv) echo riscv64;; + loongarch) echo loongarch64;; + mips*) echo mips;; + s390*) echo s390;; + sparc*) echo sparc64;; + *) echo "$1";; + esac +} + +crosstool_abi() { + case "$1" in + arm | armthumb) echo linux-gnueabi;; + *) echo linux;; + esac +} + +download_crosstool() { + arch="$(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 "$1") + + if [ ! -d "${download_location}gcc-${crosstool_version}-nolibc/${ct_arch}-${ct_abi}/bin/." ]; then + echo "No toolchain found in ${download_location}gcc-${crosstool_version}-nolibc/${ct_arch}-${ct_abi}." + echo "Did you install the toolchains or set the correct arch ? Rerun with -h for help." + return 1 + fi + + cross_compile=$(realpath "${download_location}gcc-${crosstool_version}-nolibc/${ct_arch}-${ct_abi}/bin/${ct_arch}-${ct_abi}-") + build_dir="${build_location}/${arch}" + if [ "$werror" -ne 0 ]; then + CFLAGS_EXTRA="$CFLAGS_EXTRA -Werror" + fi + MAKE=(make -j"${nproc}" XARCH="${arch}" CROSS_COMPILE="${cross_compile}" LLVM="${llvm}" O="${build_dir}") + + case "$test_mode" in + 'system') + test_target=run + ;; + 'user') + test_target=run-user + ;; + *) + echo "Unknown mode $test_mode" + exit 1 + esac + printf '%-15s' "$arch:" + if [ "$arch" = "s390" ] && ([ "$llvm" = "1" ] || [ "$test_mode" = "user" ]); then + echo "Unsupported configuration" + return + fi + if [ "$arch" = "m68k" ] && [ "$llvm" = "1" ]; then + echo "Unsupported configuration" + return + fi + + mkdir -p "$build_dir" + swallow_output "${MAKE[@]}" defconfig + swallow_output "${MAKE[@]}" CFLAGS_EXTRA="$CFLAGS_EXTRA" "$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 |