diff options
| -rw-r--r-- | tools/testing/selftests/nolibc/nolibc-test.c | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 662dea691749..78bced95ac63 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -1,17 +1,41 @@ // SPDX-License-Identifier: GPL-2.0 +#define _GNU_SOURCE + /* platform-specific include files coming from the compiler */ #include <limits.h> /* libc-specific include files - * The program may be built in 2 ways: + * 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 + * $(CC) -nostdlib -I/path/to/nolibc/sysroot => _NOLIBC_* guards are present + * $(CC) with default libc => NOLIBC* never defined */ #ifndef NOLIBC #include <stdio.h> #include <stdlib.h> #include <string.h> +#ifndef _NOLIBC_STDIO_H +/* standard libcs need more includes */ +#include <linux/reboot.h> +#include <sys/io.h> +#include <sys/ioctl.h> +#include <sys/mount.h> +#include <sys/reboot.h> +#include <sys/stat.h> +#include <sys/syscall.h> +#include <sys/sysmacros.h> +#include <sys/time.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 <unistd.h> +#endif #endif /* will be used by nolibc by getenv() */ @@ -23,6 +47,17 @@ struct test { 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 @@ -431,7 +466,9 @@ int run_syscall(int min, int max) switch (test + __LINE__ + 1) { CASE_TEST(getpid); EXPECT_SYSNE(1, getpid(), -1); break; CASE_TEST(getppid); EXPECT_SYSNE(1, getppid(), -1); break; +#ifdef NOLIBC CASE_TEST(gettid); EXPECT_SYSNE(1, gettid(), -1); break; +#endif 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; @@ -460,9 +497,11 @@ int run_syscall(int min, int max) 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(gettimeofday_null); EXPECT_SYSZR(1, gettimeofday(NULL, NULL)); break; +#ifdef NOLIBC CASE_TEST(gettimeofday_bad1); EXPECT_SYSER(1, gettimeofday((void *)1, NULL), -1, EFAULT); break; CASE_TEST(gettimeofday_bad2); EXPECT_SYSER(1, gettimeofday(NULL, (void *)1), -1, EFAULT); break; CASE_TEST(gettimeofday_bad2); EXPECT_SYSER(1, gettimeofday(NULL, (void *)1), -1, EFAULT); break; +#endif CASE_TEST(ioctl_tiocinq); EXPECT_SYSZR(1, ioctl(0, TIOCINQ, &tmp)); break; CASE_TEST(ioctl_tiocinq); EXPECT_SYSZR(1, ioctl(0, TIOCINQ, &tmp)); break; CASE_TEST(link_root1); EXPECT_SYSER(1, link("/", "/"), -1, EEXIST); break; @@ -703,7 +742,11 @@ int main(int argc, char **argv, char **envp) * exit with status code 2N+1 when N is written to 0x501. We * hard-code the syscall here as it's arch-dependent. */ +#if defined(_NOLIBC_SYS_H) else if (my_syscall3(__NR_ioperm, 0x501, 1, 1) == 0) +#else + else if (ioperm(0x501, 1, 1) == 0) +#endif asm volatile ("outb %%al, %%dx" :: "d"(0x501), "a"(0)); /* if it does nothing, fall back to the regular panic */ #endif |