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-rw-r--r--tools/include/nolibc/sys.h131
1 files changed, 95 insertions, 36 deletions
diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index 5d624dc63a42..856249a11890 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -12,15 +12,17 @@
/* system includes */
#include <asm/unistd.h>
-#include <asm/signal.h> // for SIGCHLD
+#include <asm/signal.h> /* for SIGCHLD */
#include <asm/ioctls.h>
#include <asm/mman.h>
#include <linux/fs.h>
#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 <linux/fcntl.h> /* for O_* and AT_* */
+#include <linux/stat.h> /* for statx() */
+#include <linux/reboot.h> /* for LINUX_REBOOT_* */
+#include <linux/prctl.h>
#include "arch.h"
#include "errno.h"
@@ -322,7 +324,7 @@ static __attribute__((noreturn,unused))
void sys_exit(int status)
{
my_syscall1(__NR_exit, status & 255);
- while(1); // shut the "noreturn" warnings.
+ while(1); /* shut the "noreturn" warnings. */
}
static __attribute__((noreturn,unused))
@@ -336,6 +338,7 @@ void exit(int status)
* pid_t fork(void);
*/
+#ifndef sys_fork
static __attribute__((unused))
pid_t sys_fork(void)
{
@@ -351,6 +354,7 @@ pid_t sys_fork(void)
#error Neither __NR_clone nor __NR_fork defined, cannot implement sys_fork()
#endif
}
+#endif
static __attribute__((unused))
pid_t fork(void)
@@ -858,7 +862,7 @@ int open(const char *path, int flags, ...)
va_list args;
va_start(args, flags);
- mode = va_arg(args, mode_t);
+ mode = va_arg(args, int);
va_end(args);
}
@@ -873,6 +877,32 @@ int open(const char *path, int flags, ...)
/*
+ * int prctl(int option, unsigned long arg2, unsigned long arg3,
+ * unsigned long arg4, unsigned long arg5);
+ */
+
+static __attribute__((unused))
+int sys_prctl(int option, unsigned long arg2, unsigned long arg3,
+ unsigned long arg4, unsigned long arg5)
+{
+ return my_syscall5(__NR_prctl, option, arg2, arg3, arg4, arg5);
+}
+
+static __attribute__((unused))
+int prctl(int option, unsigned long arg2, unsigned long arg3,
+ unsigned long arg4, unsigned long arg5)
+{
+ int ret = sys_prctl(option, arg2, arg3, arg4, arg5);
+
+ if (ret < 0) {
+ SET_ERRNO(-ret);
+ ret = -1;
+ }
+ return ret;
+}
+
+
+/*
* int pivot_root(const char *new, const char *old);
*/
@@ -909,7 +939,7 @@ int sys_poll(struct pollfd *fds, int nfds, int timeout)
t.tv_sec = timeout / 1000;
t.tv_nsec = (timeout % 1000) * 1000000;
}
- return my_syscall4(__NR_ppoll, fds, nfds, (timeout >= 0) ? &t : NULL, NULL);
+ return my_syscall5(__NR_ppoll, fds, nfds, (timeout >= 0) ? &t : NULL, NULL, 0);
#elif defined(__NR_poll)
return my_syscall3(__NR_poll, fds, nfds, timeout);
#else
@@ -1131,23 +1161,26 @@ int sys_stat(const char *path, struct stat *buf)
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;
+ 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_atim.tv_sec = statx.stx_atime.tv_sec;
+ buf->st_atim.tv_nsec = statx.stx_atime.tv_nsec;
+ buf->st_mtim.tv_sec = statx.stx_mtime.tv_sec;
+ buf->st_mtim.tv_nsec = statx.stx_mtime.tv_nsec;
+ buf->st_ctim.tv_sec = statx.stx_ctime.tv_sec;
+ buf->st_ctim.tv_nsec = statx.stx_ctime.tv_nsec;
return ret;
}
#else
@@ -1165,19 +1198,22 @@ int sys_stat(const char *path, struct stat *buf)
#else
#error Neither __NR_newfstatat nor __NR_stat defined, cannot implement sys_stat()
#endif
- buf->st_dev = stat.st_dev;
- buf->st_ino = stat.st_ino;
- buf->st_mode = stat.st_mode;
- buf->st_nlink = stat.st_nlink;
- buf->st_uid = stat.st_uid;
- buf->st_gid = stat.st_gid;
- buf->st_rdev = stat.st_rdev;
- buf->st_size = stat.st_size;
- buf->st_blksize = stat.st_blksize;
- buf->st_blocks = stat.st_blocks;
- buf->st_atime = stat.st_atime;
- buf->st_mtime = stat.st_mtime;
- buf->st_ctime = stat.st_ctime;
+ buf->st_dev = stat.st_dev;
+ buf->st_ino = stat.st_ino;
+ buf->st_mode = stat.st_mode;
+ buf->st_nlink = stat.st_nlink;
+ buf->st_uid = stat.st_uid;
+ buf->st_gid = stat.st_gid;
+ buf->st_rdev = stat.st_rdev;
+ buf->st_size = stat.st_size;
+ buf->st_blksize = stat.st_blksize;
+ buf->st_blocks = stat.st_blocks;
+ buf->st_atim.tv_sec = stat.st_atime;
+ buf->st_atim.tv_nsec = stat.st_atime_nsec;
+ buf->st_mtim.tv_sec = stat.st_mtime;
+ buf->st_mtim.tv_nsec = stat.st_mtime_nsec;
+ buf->st_ctim.tv_sec = stat.st_ctime;
+ buf->st_ctim.tv_nsec = stat.st_ctime_nsec;
return ret;
}
#endif
@@ -1365,6 +1401,29 @@ ssize_t write(int fd, const void *buf, size_t count)
return ret;
}
+
+/*
+ * int memfd_create(const char *name, unsigned int flags);
+ */
+
+static __attribute__((unused))
+int sys_memfd_create(const char *name, unsigned int flags)
+{
+ return my_syscall2(__NR_memfd_create, name, flags);
+}
+
+static __attribute__((unused))
+int memfd_create(const char *name, unsigned int flags)
+{
+ ssize_t ret = sys_memfd_create(name, flags);
+
+ if (ret < 0) {
+ SET_ERRNO(-ret);
+ ret = -1;
+ }
+ return ret;
+}
+
/* make sure to include all global symbols */
#include "nolibc.h"
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-31 15:26:15 +0300