1 files changed, 99 insertions, 1 deletions

diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index b5f8cd35c03b..5d624dc63a42 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -11,7 +11,6 @@
 #include "std.h"
 
 /* system includes */
-#include <asm/fcntl.h>   // for O_*
 #include <asm/unistd.h>
 #include <asm/signal.h>  // for SIGCHLD
 #include <asm/ioctls.h>
@@ -20,6 +19,8 @@
 #include <linux/loop.h>
 #include <linux/time.h>
 #include <linux/auxvec.h>
+#include <linux/fcntl.h> // for O_* and AT_*
+#include <linux/stat.h>  // for statx()
 
 #include "arch.h"
 #include "errno.h"
@@ -411,6 +412,27 @@ int getdents64(int fd, struct linux_dirent64 *dirp, int count)
 
 
 /*
+ * uid_t geteuid(void);
+ */
+
+static __attribute__((unused))
+uid_t sys_geteuid(void)
+{
+#ifdef __NR_geteuid32
+	return my_syscall0(__NR_geteuid32);
+#else
+	return my_syscall0(__NR_geteuid);
+#endif
+}
+
+static __attribute__((unused))
+uid_t geteuid(void)
+{
+	return sys_geteuid();
+}
+
+
+/*
  * pid_t getpgid(pid_t pid);
  */
 
@@ -545,6 +567,27 @@ int gettimeofday(struct timeval *tv, struct timezone *tz)
 
 
 /*
+ * uid_t getuid(void);
+ */
+
+static __attribute__((unused))
+uid_t sys_getuid(void)
+{
+#ifdef __NR_getuid32
+	return my_syscall0(__NR_getuid32);
+#else
+	return my_syscall0(__NR_getuid);
+#endif
+}
+
+static __attribute__((unused))
+uid_t getuid(void)
+{
+	return sys_getuid();
+}
+
+
+/*
  * int ioctl(int fd, unsigned long req, void *value);
  */
 
@@ -1048,12 +1091,66 @@ pid_t setsid(void)
 	return ret;
 }
 
+#if defined(__NR_statx)
+/*
+ * int statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf);
+ */
+
+static __attribute__((unused))
+int sys_statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf)
+{
+	return my_syscall5(__NR_statx, fd, path, flags, mask, buf);
+}
+
+static __attribute__((unused))
+int statx(int fd, const char *path, int flags, unsigned int mask, struct statx *buf)
+{
+	int ret = sys_statx(fd, path, flags, mask, buf);
+
+	if (ret < 0) {
+		SET_ERRNO(-ret);
+		ret = -1;
+	}
+	return ret;
+}
+#endif
 
 /*
  * int stat(const char *path, struct stat *buf);
  * Warning: the struct stat's layout is arch-dependent.
  */
 
+#if defined(__NR_statx) && !defined(__NR_newfstatat) && !defined(__NR_stat)
+/*
+ * Maybe we can just use statx() when available for all architectures?
+ */
+static __attribute__((unused))
+int sys_stat(const char *path, struct stat *buf)
+{
+	struct statx statx;
+	long ret;
+
+	ret = sys_statx(AT_FDCWD, path, AT_NO_AUTOMOUNT, STATX_BASIC_STATS, &statx);
+	buf->st_dev     = ((statx.stx_dev_minor & 0xff)
+			  | (statx.stx_dev_major << 8)
+			  | ((statx.stx_dev_minor & ~0xff) << 12));
+	buf->st_ino     = statx.stx_ino;
+	buf->st_mode    = statx.stx_mode;
+	buf->st_nlink   = statx.stx_nlink;
+	buf->st_uid     = statx.stx_uid;
+	buf->st_gid     = statx.stx_gid;
+	buf->st_rdev    = ((statx.stx_rdev_minor & 0xff)
+			  | (statx.stx_rdev_major << 8)
+			  | ((statx.stx_rdev_minor & ~0xff) << 12));
+	buf->st_size    = statx.stx_size;
+	buf->st_blksize = statx.stx_blksize;
+	buf->st_blocks  = statx.stx_blocks;
+	buf->st_atime   = statx.stx_atime.tv_sec;
+	buf->st_mtime   = statx.stx_mtime.tv_sec;
+	buf->st_ctime   = statx.stx_ctime.tv_sec;
+	return ret;
+}
+#else
 static __attribute__((unused))
 int sys_stat(const char *path, struct stat *buf)
 {
@@ -1083,6 +1180,7 @@ int sys_stat(const char *path, struct stat *buf)
 	buf->st_ctime   = stat.st_ctime;
 	return ret;
 }
+#endif
 
 static __attribute__((unused))
 int stat(const char *path, struct stat *buf)