795 lines
24 KiB
C
795 lines
24 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#define _GNU_SOURCE
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/* platform-specific include files coming from the compiler */
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#include <limits.h>
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/* libc-specific include files
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* The program may be built in 3 ways:
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* $(CC) -nostdlib -include /path/to/nolibc.h => NOLIBC already defined
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* $(CC) -nostdlib -I/path/to/nolibc/sysroot => _NOLIBC_* guards are present
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* $(CC) with default libc => NOLIBC* never defined
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*/
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#ifndef NOLIBC
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifndef _NOLIBC_STDIO_H
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/* standard libcs need more includes */
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#include <linux/reboot.h>
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#include <sys/io.h>
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#include <sys/ioctl.h>
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#include <sys/mount.h>
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#include <sys/reboot.h>
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#include <sys/stat.h>
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#include <sys/syscall.h>
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#include <sys/sysmacros.h>
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#include <sys/time.h>
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#include <sys/wait.h>
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#include <dirent.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <poll.h>
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#include <sched.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <unistd.h>
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#endif
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#endif
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/* will be used by nolibc by getenv() */
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char **environ;
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/* definition of a series of tests */
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struct test {
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const char *name; // test name
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int (*func)(int min, int max); // handler
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};
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#ifndef _NOLIBC_STDLIB_H
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char *itoa(int i)
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{
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static char buf[12];
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int ret;
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ret = snprintf(buf, sizeof(buf), "%d", i);
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return (ret >= 0 && ret < sizeof(buf)) ? buf : "#err";
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}
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#endif
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#define CASE_ERR(err) \
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case err: return #err
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/* returns the error name (e.g. "ENOENT") for common errors, "SUCCESS" for 0,
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* or the decimal value for less common ones.
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*/
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const char *errorname(int err)
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{
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switch (err) {
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case 0: return "SUCCESS";
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CASE_ERR(EPERM);
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CASE_ERR(ENOENT);
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CASE_ERR(ESRCH);
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CASE_ERR(EINTR);
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CASE_ERR(EIO);
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CASE_ERR(ENXIO);
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CASE_ERR(E2BIG);
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CASE_ERR(ENOEXEC);
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CASE_ERR(EBADF);
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CASE_ERR(ECHILD);
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CASE_ERR(EAGAIN);
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CASE_ERR(ENOMEM);
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CASE_ERR(EACCES);
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CASE_ERR(EFAULT);
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CASE_ERR(ENOTBLK);
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CASE_ERR(EBUSY);
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CASE_ERR(EEXIST);
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CASE_ERR(EXDEV);
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CASE_ERR(ENODEV);
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CASE_ERR(ENOTDIR);
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CASE_ERR(EISDIR);
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CASE_ERR(EINVAL);
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CASE_ERR(ENFILE);
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CASE_ERR(EMFILE);
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CASE_ERR(ENOTTY);
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CASE_ERR(ETXTBSY);
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CASE_ERR(EFBIG);
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CASE_ERR(ENOSPC);
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CASE_ERR(ESPIPE);
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CASE_ERR(EROFS);
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CASE_ERR(EMLINK);
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CASE_ERR(EPIPE);
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CASE_ERR(EDOM);
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CASE_ERR(ERANGE);
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CASE_ERR(ENOSYS);
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default:
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return itoa(err);
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}
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}
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static int pad_spc(int llen, int cnt, const char *fmt, ...)
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{
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va_list args;
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int len;
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int ret;
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for (len = 0; len < cnt - llen; len++)
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putchar(' ');
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va_start(args, fmt);
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ret = vfprintf(stdout, fmt, args);
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va_end(args);
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return ret < 0 ? ret : ret + len;
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}
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/* The tests below are intended to be used by the macroes, which evaluate
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* expression <expr>, print the status to stdout, and update the "ret"
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* variable to count failures. The functions themselves return the number
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* of failures, thus either 0 or 1.
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*/
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#define EXPECT_ZR(cond, expr) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_zr(expr, llen); } while (0)
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static int expect_zr(int expr, int llen)
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{
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int ret = !(expr == 0);
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llen += printf(" = %d ", expr);
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pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n");
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return ret;
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}
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#define EXPECT_NZ(cond, expr, val) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_nz(expr, llen; } while (0)
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static int expect_nz(int expr, int llen)
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{
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int ret = !(expr != 0);
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llen += printf(" = %d ", expr);
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pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n");
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return ret;
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}
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#define EXPECT_EQ(cond, expr, val) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_eq(expr, llen, val); } while (0)
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static int expect_eq(int expr, int llen, int val)
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{
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int ret = !(expr == val);
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llen += printf(" = %d ", expr);
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pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n");
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return ret;
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}
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#define EXPECT_NE(cond, expr, val) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_ne(expr, llen, val); } while (0)
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static int expect_ne(int expr, int llen, int val)
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{
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int ret = !(expr != val);
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llen += printf(" = %d ", expr);
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pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n");
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return ret;
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}
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#define EXPECT_GE(cond, expr, val) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_ge(expr, llen, val); } while (0)
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static int expect_ge(int expr, int llen, int val)
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{
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int ret = !(expr >= val);
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llen += printf(" = %d ", expr);
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pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n");
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return ret;
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}
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#define EXPECT_GT(cond, expr, val) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_gt(expr, llen, val); } while (0)
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static int expect_gt(int expr, int llen, int val)
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{
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int ret = !(expr > val);
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llen += printf(" = %d ", expr);
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pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n");
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return ret;
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}
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#define EXPECT_LE(cond, expr, val) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_le(expr, llen, val); } while (0)
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static int expect_le(int expr, int llen, int val)
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{
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int ret = !(expr <= val);
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llen += printf(" = %d ", expr);
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pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n");
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return ret;
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}
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#define EXPECT_LT(cond, expr, val) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_lt(expr, llen, val); } while (0)
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static int expect_lt(int expr, int llen, int val)
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{
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int ret = !(expr < val);
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llen += printf(" = %d ", expr);
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pad_spc(llen, 40, ret ? "[FAIL]\n" : " [OK]\n");
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return ret;
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}
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#define EXPECT_SYSZR(cond, expr) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_syszr(expr, llen); } while (0)
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static int expect_syszr(int expr, int llen)
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{
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int ret = 0;
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if (expr) {
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ret = 1;
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llen += printf(" = %d %s ", expr, errorname(errno));
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llen += pad_spc(llen, 40, "[FAIL]\n");
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} else {
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llen += printf(" = %d ", expr);
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llen += pad_spc(llen, 40, " [OK]\n");
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}
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return ret;
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}
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#define EXPECT_SYSEQ(cond, expr, val) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_syseq(expr, llen, val); } while (0)
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static int expect_syseq(int expr, int llen, int val)
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{
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int ret = 0;
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if (expr != val) {
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ret = 1;
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llen += printf(" = %d %s ", expr, errorname(errno));
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llen += pad_spc(llen, 40, "[FAIL]\n");
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} else {
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llen += printf(" = %d ", expr);
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llen += pad_spc(llen, 40, " [OK]\n");
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}
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return ret;
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}
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#define EXPECT_SYSNE(cond, expr, val) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_sysne(expr, llen, val); } while (0)
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static int expect_sysne(int expr, int llen, int val)
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{
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int ret = 0;
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if (expr == val) {
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ret = 1;
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llen += printf(" = %d %s ", expr, errorname(errno));
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llen += pad_spc(llen, 40, "[FAIL]\n");
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} else {
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llen += printf(" = %d ", expr);
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llen += pad_spc(llen, 40, " [OK]\n");
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}
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return ret;
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}
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#define EXPECT_SYSER(cond, expr, expret, experr) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_syserr(expr, expret, experr, llen); } while (0)
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static int expect_syserr(int expr, int expret, int experr, int llen)
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{
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int ret = 0;
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int _errno = errno;
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llen += printf(" = %d %s ", expr, errorname(_errno));
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if (expr != expret || _errno != experr) {
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ret = 1;
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llen += printf(" != (%d %s) ", expret, errorname(experr));
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llen += pad_spc(llen, 40, "[FAIL]\n");
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} else {
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llen += pad_spc(llen, 40, " [OK]\n");
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}
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return ret;
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}
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#define EXPECT_PTRZR(cond, expr) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_ptrzr(expr, llen); } while (0)
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static int expect_ptrzr(const void *expr, int llen)
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{
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int ret = 0;
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llen += printf(" = <%p> ", expr);
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if (expr) {
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ret = 1;
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llen += pad_spc(llen, 40, "[FAIL]\n");
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} else {
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llen += pad_spc(llen, 40, " [OK]\n");
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}
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return ret;
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}
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#define EXPECT_PTRNZ(cond, expr) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_ptrnz(expr, llen); } while (0)
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static int expect_ptrnz(const void *expr, int llen)
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{
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int ret = 0;
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llen += printf(" = <%p> ", expr);
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if (!expr) {
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ret = 1;
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llen += pad_spc(llen, 40, "[FAIL]\n");
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} else {
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llen += pad_spc(llen, 40, " [OK]\n");
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}
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return ret;
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}
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#define EXPECT_STRZR(cond, expr) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_strzr(expr, llen); } while (0)
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static int expect_strzr(const char *expr, int llen)
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{
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int ret = 0;
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llen += printf(" = <%s> ", expr);
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if (expr) {
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ret = 1;
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llen += pad_spc(llen, 40, "[FAIL]\n");
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} else {
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llen += pad_spc(llen, 40, " [OK]\n");
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}
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return ret;
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}
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#define EXPECT_STRNZ(cond, expr) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_strnz(expr, llen); } while (0)
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static int expect_strnz(const char *expr, int llen)
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{
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int ret = 0;
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llen += printf(" = <%s> ", expr);
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if (!expr) {
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ret = 1;
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llen += pad_spc(llen, 40, "[FAIL]\n");
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} else {
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llen += pad_spc(llen, 40, " [OK]\n");
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}
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return ret;
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}
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#define EXPECT_STREQ(cond, expr, cmp) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_streq(expr, llen, cmp); } while (0)
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static int expect_streq(const char *expr, int llen, const char *cmp)
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{
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int ret = 0;
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llen += printf(" = <%s> ", expr);
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if (strcmp(expr, cmp) != 0) {
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ret = 1;
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llen += pad_spc(llen, 40, "[FAIL]\n");
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} else {
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llen += pad_spc(llen, 40, " [OK]\n");
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}
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return ret;
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}
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#define EXPECT_STRNE(cond, expr, cmp) \
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do { if (!cond) pad_spc(llen, 40, "[SKIPPED]\n"); else ret += expect_strne(expr, llen, cmp); } while (0)
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static int expect_strne(const char *expr, int llen, const char *cmp)
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{
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int ret = 0;
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llen += printf(" = <%s> ", expr);
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if (strcmp(expr, cmp) == 0) {
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ret = 1;
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llen += pad_spc(llen, 40, "[FAIL]\n");
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} else {
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llen += pad_spc(llen, 40, " [OK]\n");
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}
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return ret;
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}
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/* declare tests based on line numbers. There must be exactly one test per line. */
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#define CASE_TEST(name) \
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case __LINE__: llen += printf("%d %s", test, #name);
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/* used by some syscall tests below */
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int test_getdents64(const char *dir)
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{
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char buffer[4096];
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int fd, ret;
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int err;
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ret = fd = open(dir, O_RDONLY | O_DIRECTORY, 0);
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if (ret < 0)
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return ret;
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ret = getdents64(fd, (void *)buffer, sizeof(buffer));
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err = errno;
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close(fd);
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errno = err;
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return ret;
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}
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static int test_getpagesize(void)
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{
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long x = getpagesize();
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int c;
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if (x < 0)
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return x;
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#if defined(__x86_64__) || defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)
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/*
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* x86 family is always 4K page.
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*/
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c = (x == 4096);
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#elif defined(__aarch64__)
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/*
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* Linux aarch64 supports three values of page size: 4K, 16K, and 64K
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* which are selected at kernel compilation time.
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*/
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c = (x == 4096 || x == (16 * 1024) || x == (64 * 1024));
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#else
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/*
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* Assuming other architectures must have at least 4K page.
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*/
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c = (x >= 4096);
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#endif
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return !c;
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}
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/* Run syscall tests between IDs <min> and <max>.
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* Return 0 on success, non-zero on failure.
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*/
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int run_syscall(int min, int max)
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{
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struct stat stat_buf;
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int proc;
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int test;
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int tmp;
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int ret = 0;
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void *p1, *p2;
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/* <proc> indicates whether or not /proc is mounted */
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proc = stat("/proc", &stat_buf) == 0;
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for (test = min; test >= 0 && test <= max; test++) {
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int llen = 0; // line length
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/* avoid leaving empty lines below, this will insert holes into
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* test numbers.
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*/
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switch (test + __LINE__ + 1) {
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CASE_TEST(getpid); EXPECT_SYSNE(1, getpid(), -1); break;
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CASE_TEST(getppid); EXPECT_SYSNE(1, getppid(), -1); break;
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#ifdef NOLIBC
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CASE_TEST(gettid); EXPECT_SYSNE(1, gettid(), -1); break;
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#endif
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CASE_TEST(getpgid_self); EXPECT_SYSNE(1, getpgid(0), -1); break;
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CASE_TEST(getpgid_bad); EXPECT_SYSER(1, getpgid(-1), -1, ESRCH); break;
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CASE_TEST(kill_0); EXPECT_SYSZR(1, kill(getpid(), 0)); break;
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CASE_TEST(kill_CONT); EXPECT_SYSZR(1, kill(getpid(), 0)); break;
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CASE_TEST(kill_BADPID); EXPECT_SYSER(1, kill(INT_MAX, 0), -1, ESRCH); break;
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CASE_TEST(sbrk); if ((p1 = p2 = sbrk(4096)) != (void *)-1) p2 = sbrk(-4096); EXPECT_SYSZR(1, (p2 == (void *)-1) || p2 == p1); break;
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CASE_TEST(brk); EXPECT_SYSZR(1, brk(sbrk(0))); break;
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CASE_TEST(chdir_root); EXPECT_SYSZR(1, chdir("/")); 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_net); EXPECT_SYSZR(proc, chmod("/proc/self/net", 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(1, chroot("/")); break;
|
|
CASE_TEST(chroot_blah); EXPECT_SYSER(1, chroot("/proc/self/blah"), -1, ENOENT); break;
|
|
CASE_TEST(chroot_exe); EXPECT_SYSER(proc, chroot("/proc/self/exe"), -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(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(getpagesize); EXPECT_SYSZR(1, test_getpagesize()); break;
|
|
CASE_TEST(ioctl_tiocinq); EXPECT_SYSZR(1, ioctl(0, TIOCINQ, &tmp)); break;
|
|
CASE_TEST(ioctl_tiocinq); EXPECT_SYSZR(1, ioctl(0, TIOCINQ, &tmp)); break;
|
|
CASE_TEST(link_root1); EXPECT_SYSER(1, link("/", "/"), -1, EEXIST); break;
|
|
CASE_TEST(link_blah); EXPECT_SYSER(1, link("/proc/self/blah", "/blah"), -1, ENOENT); break;
|
|
CASE_TEST(link_dir); EXPECT_SYSER(1, link("/", "/blah"), -1, EPERM); break;
|
|
CASE_TEST(link_cross); EXPECT_SYSER(proc, link("/proc/self/net", "/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(open_tty); EXPECT_SYSNE(1, tmp = open("/dev/null", 0), -1); if (tmp != -1) close(tmp); break;
|
|
CASE_TEST(open_blah); EXPECT_SYSER(1, tmp = open("/proc/self/blah", 0), -1, ENOENT); if (tmp != -1) close(tmp); 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((void *)1, 1, 0), -1, EFAULT); break;
|
|
CASE_TEST(read_badf); EXPECT_SYSER(1, read(-1, &tmp, 1), -1, EBADF); 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(symlink_root); EXPECT_SYSER(1, symlink("/", "/"), -1, EEXIST); 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 __LINE__:
|
|
return ret; /* must be last */
|
|
/* note: do not set any defaults so as to permit holes above */
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int run_stdlib(int min, int max)
|
|
{
|
|
int test;
|
|
int tmp;
|
|
int ret = 0;
|
|
void *p1, *p2;
|
|
|
|
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(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(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 __LINE__:
|
|
return ret; /* must be last */
|
|
/* note: do not set any defaults so as to permit holes above */
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* 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) {
|
|
/* 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));
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 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)
|
|
mount("/proc", "/proc", "proc", 0, 0);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* This is the definition of known test names, with their functions */
|
|
static struct test test_names[] = {
|
|
/* add new tests here */
|
|
{ .name = "syscall", .func = run_syscall },
|
|
{ .name = "stdlib", .func = run_stdlib },
|
|
{ 0 }
|
|
};
|
|
|
|
int main(int argc, char **argv, char **envp)
|
|
{
|
|
int min = 0;
|
|
int max = __INT_MAX__;
|
|
int ret = 0;
|
|
int err;
|
|
int idx;
|
|
char *test;
|
|
|
|
environ = 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 (!test)
|
|
test = getenv("NOLIBC_TEST");
|
|
|
|
if (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(LINUX_REBOOT_CMD_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.
|
|
*/
|
|
#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
|
|
}
|
|
|
|
printf("Exiting with status %d\n", !!ret);
|
|
return !!ret;
|
|
}
|