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-rw-r--r--tools/testing/selftests/nolibc/Makefile58
-rw-r--r--tools/testing/selftests/nolibc/nolibc-test.c216
-rwxr-xr-xtools/testing/selftests/nolibc/run-tests.sh28
3 files changed, 257 insertions, 45 deletions
diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile
index 40dd95228051..7d14a7c0cb62 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -1,19 +1,21 @@
# 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
+# 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)
$(error Only absolute O= parameters are supported)
endif
-endif
-
-# we're in ".../tools/testing/selftests/nolibc"
-ifeq ($(srctree),)
-srctree := $(patsubst %/tools/testing/selftests/,%,$(dir $(CURDIR)))
+objtree := $(O)
+else
+objtree ?= $(srctree)
endif
ifeq ($(ARCH),)
@@ -21,7 +23,7 @@ include $(srctree)/scripts/subarch.include
ARCH = $(SUBARCH)
endif
-objtree ?= $(srctree)
+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
@@ -41,6 +43,7 @@ objtree ?= $(srctree)
# 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
@@ -49,6 +52,8 @@ ARCH_ppc64 = powerpc
ARCH_ppc64le = powerpc
ARCH_mips32le = mips
ARCH_mips32be = mips
+ARCH_riscv32 = riscv
+ARCH_riscv64 = riscv
ARCH := $(or $(ARCH_$(XARCH)),$(XARCH))
# kernel image names by architecture
@@ -63,6 +68,8 @@ 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_s390 = arch/s390/boot/bzImage
IMAGE_loongarch = arch/loongarch/boot/vmlinuz.efi
IMAGE = $(objtree)/$(IMAGE_$(XARCH))
@@ -80,6 +87,8 @@ DEFCONFIG_ppc = pmac32_defconfig
DEFCONFIG_ppc64 = powernv_be_defconfig
DEFCONFIG_ppc64le = powernv_defconfig
DEFCONFIG_riscv = defconfig
+DEFCONFIG_riscv32 = rv32_defconfig
+DEFCONFIG_riscv64 = defconfig
DEFCONFIG_s390 = defconfig
DEFCONFIG_loongarch = defconfig
DEFCONFIG = $(DEFCONFIG_$(XARCH))
@@ -102,6 +111,8 @@ 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_s390 = s390x
QEMU_ARCH_loongarch = loongarch64
QEMU_ARCH = $(QEMU_ARCH_$(XARCH))
@@ -128,9 +139,11 @@ QEMU_ARGS_ppc = -M g3beige -append "console=ttyS0 panic=-1 $(TEST:%=NOLIB
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_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_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 = $(QEMU_ARGS_$(XARCH)) $(QEMU_ARGS_BIOS) $(QEMU_ARGS_EXTRA)
+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.
@@ -152,12 +165,25 @@ 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) \
- $(CFLAGS_$(XARCH)) $(CFLAGS_STACKPROTECTOR)
+ $(CFLAGS_$(XARCH)) $(CFLAGS_STACKPROTECTOR) $(CFLAGS_EXTRA)
LDFLAGS :=
+LIBGCC := -lgcc
+
+ifneq ($(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) printf("failure\n"); else if (s) printf("warning\n"); else printf("success\n");; \
+ 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:
@@ -204,11 +230,11 @@ sysroot/$(ARCH)/include:
ifneq ($(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 -lgcc
+ -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 -lgcc
+ -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
diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index 6ba4f8275ac4..0e0e3b48a8c3 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -27,6 +27,7 @@
#include <sys/syscall.h>
#include <sys/sysmacros.h>
#include <sys/time.h>
+#include <sys/utsname.h>
#include <sys/wait.h>
#include <dirent.h>
#include <errno.h>
@@ -63,6 +64,14 @@ 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 */
@@ -293,7 +302,10 @@ int expect_syszr(int expr, int llen)
{
int ret = 0;
- if (expr) {
+ if (errno == ENOSYS) {
+ llen += printf(" = ENOSYS");
+ result(llen, SKIPPED);
+ } else if (expr) {
ret = 1;
llen += printf(" = %d %s ", expr, errorname(errno));
result(llen, FAIL);
@@ -333,7 +345,10 @@ int expect_sysne(int expr, int llen, int val)
{
int ret = 0;
- if (expr == val) {
+ 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);
@@ -358,7 +373,9 @@ int expect_syserr2(int expr, int expret, int experr1, int experr2, int llen)
int _errno = errno;
llen += printf(" = %d %s ", expr, errorname(_errno));
- if (expr != expret || (_errno != experr1 && _errno != experr2)) {
+ 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));
@@ -533,7 +550,7 @@ int expect_strzr(const char *expr, int llen)
{
int ret = 0;
- llen += printf(" = <%s> ", expr);
+ llen += printf(" = <%s> ", expr ? expr : "(null)");
if (expr) {
ret = 1;
result(llen, FAIL);
@@ -552,7 +569,7 @@ int expect_strnz(const char *expr, int llen)
{
int ret = 0;
- llen += printf(" = <%s> ", expr);
+ llen += printf(" = <%s> ", expr ? expr : "(null)");
if (!expr) {
ret = 1;
result(llen, FAIL);
@@ -600,6 +617,70 @@ int expect_strne(const char *expr, int llen, const char *cmp)
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) \
@@ -613,9 +694,10 @@ static void constructor1(void)
}
__attribute__((constructor))
-static void constructor2(void)
+static void constructor2(int argc, char **argv, char **envp)
{
- constructor_test_value *= 2;
+ if (argc && argv && envp)
+ constructor_test_value *= 2;
}
int run_startup(int min, int max)
@@ -761,6 +843,45 @@ int test_stat_timestamps(void)
return 0;
}
+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;
@@ -883,6 +1004,7 @@ int run_syscall(int min, int max)
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;
@@ -895,6 +1017,9 @@ int run_syscall(int min, int max)
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 */
@@ -910,9 +1035,9 @@ int run_syscall(int min, int max)
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(1, sbrk(0), (void *)-1); break;
- CASE_TEST(sbrk); if ((p1 = p2 = sbrk(4096)) != (void *)-1) p2 = sbrk(-4096); EXPECT_SYSZR(1, (p2 == (void *)-1) || p2 == p1); break;
- CASE_TEST(brk); EXPECT_SYSZR(1, brk(sbrk(0))); 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;
@@ -966,6 +1091,8 @@ int run_syscall(int min, int max)
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(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;
@@ -991,6 +1118,14 @@ int run_stdlib(int min, int max)
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.
*/
@@ -1007,6 +1142,17 @@ int run_stdlib(int min, int max)
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(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;
@@ -1057,6 +1203,26 @@ int run_stdlib(int min, int max)
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 __LINE__:
return ret; /* must be last */
@@ -1071,19 +1237,20 @@ int run_stdlib(int min, int max)
static int expect_vfprintf(int llen, int c, const char *expected, const char *fmt, ...)
{
- int ret, fd;
+ int ret, pipefd[2];
ssize_t w, r;
char buf[100];
FILE *memfile;
va_list args;
- fd = open("/tmp", O_TMPFILE | O_EXCL | O_RDWR, 0600);
- if (fd == -1) {
- result(llen, SKIPPED);
- return 0;
+ ret = pipe(pipefd);
+ if (ret == -1) {
+ llen += printf(" pipe() != %s", strerror(errno));
+ result(llen, FAIL);
+ return 1;
}
- memfile = fdopen(fd, "w+");
+ memfile = fdopen(pipefd[1], "w");
if (!memfile) {
result(llen, FAIL);
return 1;
@@ -1099,13 +1266,10 @@ static int expect_vfprintf(int llen, int c, const char *expected, const char *fm
return 1;
}
- fflush(memfile);
- lseek(fd, 0, SEEK_SET);
-
- r = read(fd, buf, sizeof(buf) - 1);
-
fclose(memfile);
+ r = read(pipefd[0], buf, sizeof(buf) - 1);
+
if (r != w) {
llen += printf(" written(%d) != read(%d)", (int)w, (int)r);
result(llen, FAIL);
@@ -1165,7 +1329,8 @@ static int run_protection(int min __attribute__((unused)),
int max __attribute__((unused)))
{
pid_t pid;
- int llen = 0, status;
+ int llen = 0, ret;
+ siginfo_t siginfo = {};
struct rlimit rlimit = { 0, 0 };
llen += printf("0 -fstackprotector ");
@@ -1203,10 +1368,11 @@ static int run_protection(int min __attribute__((unused)),
return 1;
default:
- pid = waitpid(pid, &status, 0);
+ ret = waitid(P_PID, pid, &siginfo, WEXITED);
- if (pid == -1 || !WIFSIGNALED(status) || WTERMSIG(status) != SIGABRT) {
- llen += printf("waitpid()");
+ if (ret != 0 || siginfo.si_signo != SIGCHLD ||
+ siginfo.si_code != CLD_KILLED || siginfo.si_status != SIGABRT) {
+ llen += printf("waitid()");
result(llen, FAIL);
return 1;
}
diff --git a/tools/testing/selftests/nolibc/run-tests.sh b/tools/testing/selftests/nolibc/run-tests.sh
index c0a5a7cea9fa..9c5160c53881 100755
--- a/tools/testing/selftests/nolibc/run-tests.sh
+++ b/tools/testing/selftests/nolibc/run-tests.sh
@@ -15,9 +15,11 @@ 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"
+werror=1
+llvm=
+archs="i386 x86_64 arm64 arm mips32le mips32be ppc ppc64 ppc64le riscv32 riscv64 s390 loongarch"
-TEMP=$(getopt -o 'j:d:c:b:a:m:ph' -n "$0" -- "$@")
+TEMP=$(getopt -o 'j:d:c:b:a:m:pelh' -n "$0" -- "$@")
eval set -- "$TEMP"
unset TEMP
@@ -40,6 +42,8 @@ Options:
-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
}
@@ -66,6 +70,12 @@ while true; do
'-m')
test_mode="$2"
shift 2; continue ;;
+ '-e')
+ werror=0
+ shift; continue ;;
+ '-l')
+ llvm=1
+ shift; continue ;;
'-h')
print_usage
exit 0
@@ -133,9 +143,19 @@ 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}/${arch}"
- MAKE=(make -j"${nproc}" XARCH="${arch}" CROSS_COMPILE="${cross_compile}" O="${build_dir}")
+ if [ "$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}")
mkdir -p "$build_dir"
if [ "$test_mode" = "system" ] && [ ! -f "${build_dir}/.config" ]; then
@@ -153,7 +173,7 @@ test_arch() {
exit 1
esac
printf '%-15s' "$arch:"
- swallow_output "${MAKE[@]}" "$test_target" V=1
+ swallow_output "${MAKE[@]}" CFLAGS_EXTRA="$CFLAGS_EXTRA" "$test_target" V=1
cp run.out run.out."${arch}"
"${MAKE[@]}" report | grep passed
}
generated by cgit (git 2.34.1) at 2025-07-28 21:47:54 +0000