| diff --git a/sysroot/usr/include/linux/userfaultfd.h b/sysroot/usr/include/linux/userfaultfd.h |
| new file mode 100644 |
| index 0000000..ca7b7a5 |
| --- /dev/null |
| +++ b/sysroot/usr/include/linux/userfaultfd.h |
| @@ -0,0 +1,141 @@ |
| +/**************************************************************************** |
| + **************************************************************************** |
| + *** |
| + *** This header was automatically generated from a Linux kernel header |
| + *** of the same name, to make information necessary for userspace to |
| + *** call into the kernel available to libc. It contains only constants, |
| + *** structures, and macros generated from the original header, and thus, |
| + *** contains no copyrightable information. |
| + *** |
| + *** To edit the content of this header, modify the corresponding |
| + *** source file (e.g. under external/kernel-headers/original/) then |
| + *** run bionic/libc/kernel/tools/update_all.py |
| + *** |
| + *** Any manual change here will be lost the next time this script will |
| + *** be run. You've been warned! |
| + *** |
| + **************************************************************************** |
| + ****************************************************************************/ |
| +#ifndef _LINUX_USERFAULTFD_H |
| +#define _LINUX_USERFAULTFD_H |
| +#include <linux/types.h> |
| +#define UFFD_API ((__u64) 0xAA) |
| +#define UFFD_API_REGISTER_MODES (UFFDIO_REGISTER_MODE_MISSING | UFFDIO_REGISTER_MODE_WP | UFFDIO_REGISTER_MODE_MINOR) |
| +#define UFFD_API_FEATURES (UFFD_FEATURE_PAGEFAULT_FLAG_WP | UFFD_FEATURE_EVENT_FORK | UFFD_FEATURE_EVENT_REMAP | UFFD_FEATURE_EVENT_REMOVE | UFFD_FEATURE_EVENT_UNMAP | UFFD_FEATURE_MISSING_HUGETLBFS | UFFD_FEATURE_MISSING_SHMEM | UFFD_FEATURE_SIGBUS | UFFD_FEATURE_THREAD_ID | UFFD_FEATURE_MINOR_HUGETLBFS | UFFD_FEATURE_MINOR_SHMEM) |
| +#define UFFD_API_IOCTLS ((__u64) 1 << _UFFDIO_REGISTER | (__u64) 1 << _UFFDIO_UNREGISTER | (__u64) 1 << _UFFDIO_API) |
| +#define UFFD_API_RANGE_IOCTLS ((__u64) 1 << _UFFDIO_WAKE | (__u64) 1 << _UFFDIO_COPY | (__u64) 1 << _UFFDIO_ZEROPAGE | (__u64) 1 << _UFFDIO_WRITEPROTECT | (__u64) 1 << _UFFDIO_CONTINUE) |
| +#define UFFD_API_RANGE_IOCTLS_BASIC ((__u64) 1 << _UFFDIO_WAKE | (__u64) 1 << _UFFDIO_COPY | (__u64) 1 << _UFFDIO_CONTINUE) |
| +#define _UFFDIO_REGISTER (0x00) |
| +#define _UFFDIO_UNREGISTER (0x01) |
| +#define _UFFDIO_WAKE (0x02) |
| +#define _UFFDIO_COPY (0x03) |
| +#define _UFFDIO_ZEROPAGE (0x04) |
| +#define _UFFDIO_WRITEPROTECT (0x06) |
| +#define _UFFDIO_CONTINUE (0x07) |
| +#define _UFFDIO_API (0x3F) |
| +#define UFFDIO 0xAA |
| +#define UFFDIO_API _IOWR(UFFDIO, _UFFDIO_API, struct uffdio_api) |
| +#define UFFDIO_REGISTER _IOWR(UFFDIO, _UFFDIO_REGISTER, struct uffdio_register) |
| +#define UFFDIO_UNREGISTER _IOR(UFFDIO, _UFFDIO_UNREGISTER, struct uffdio_range) |
| +#define UFFDIO_WAKE _IOR(UFFDIO, _UFFDIO_WAKE, struct uffdio_range) |
| +#define UFFDIO_COPY _IOWR(UFFDIO, _UFFDIO_COPY, struct uffdio_copy) |
| +#define UFFDIO_ZEROPAGE _IOWR(UFFDIO, _UFFDIO_ZEROPAGE, struct uffdio_zeropage) |
| +#define UFFDIO_WRITEPROTECT _IOWR(UFFDIO, _UFFDIO_WRITEPROTECT, struct uffdio_writeprotect) |
| +#define UFFDIO_CONTINUE _IOWR(UFFDIO, _UFFDIO_CONTINUE, struct uffdio_continue) |
| +struct uffd_msg { |
| + __u8 event; |
| + __u8 reserved1; |
| + __u16 reserved2; |
| + __u32 reserved3; |
| + union { |
| + struct { |
| + __u64 flags; |
| + __u64 address; |
| + union { |
| + __u32 ptid; |
| + } feat; |
| + } pagefault; |
| + struct { |
| + __u32 ufd; |
| + } fork; |
| + struct { |
| + __u64 from; |
| + __u64 to; |
| + __u64 len; |
| + } remap; |
| + struct { |
| + __u64 start; |
| + __u64 end; |
| + } remove; |
| + struct { |
| + __u64 reserved1; |
| + __u64 reserved2; |
| + __u64 reserved3; |
| + } reserved; |
| + } arg; |
| +} __packed; |
| +#define UFFD_EVENT_PAGEFAULT 0x12 |
| +#define UFFD_EVENT_FORK 0x13 |
| +#define UFFD_EVENT_REMAP 0x14 |
| +#define UFFD_EVENT_REMOVE 0x15 |
| +#define UFFD_EVENT_UNMAP 0x16 |
| +#define UFFD_PAGEFAULT_FLAG_WRITE (1 << 0) |
| +#define UFFD_PAGEFAULT_FLAG_WP (1 << 1) |
| +#define UFFD_PAGEFAULT_FLAG_MINOR (1 << 2) |
| +struct uffdio_api { |
| + __u64 api; |
| +#define UFFD_FEATURE_PAGEFAULT_FLAG_WP (1 << 0) |
| +#define UFFD_FEATURE_EVENT_FORK (1 << 1) |
| +#define UFFD_FEATURE_EVENT_REMAP (1 << 2) |
| +#define UFFD_FEATURE_EVENT_REMOVE (1 << 3) |
| +#define UFFD_FEATURE_MISSING_HUGETLBFS (1 << 4) |
| +#define UFFD_FEATURE_MISSING_SHMEM (1 << 5) |
| +#define UFFD_FEATURE_EVENT_UNMAP (1 << 6) |
| +#define UFFD_FEATURE_SIGBUS (1 << 7) |
| +#define UFFD_FEATURE_THREAD_ID (1 << 8) |
| +#define UFFD_FEATURE_MINOR_HUGETLBFS (1 << 9) |
| +#define UFFD_FEATURE_MINOR_SHMEM (1 << 10) |
| + __u64 features; |
| + __u64 ioctls; |
| +}; |
| +struct uffdio_range { |
| + __u64 start; |
| + __u64 len; |
| +}; |
| +struct uffdio_register { |
| + struct uffdio_range range; |
| +#define UFFDIO_REGISTER_MODE_MISSING ((__u64) 1 << 0) |
| +#define UFFDIO_REGISTER_MODE_WP ((__u64) 1 << 1) |
| +#define UFFDIO_REGISTER_MODE_MINOR ((__u64) 1 << 2) |
| + __u64 mode; |
| + __u64 ioctls; |
| +}; |
| +struct uffdio_copy { |
| + __u64 dst; |
| + __u64 src; |
| + __u64 len; |
| +#define UFFDIO_COPY_MODE_DONTWAKE ((__u64) 1 << 0) |
| +#define UFFDIO_COPY_MODE_WP ((__u64) 1 << 1) |
| + __u64 mode; |
| + __s64 copy; |
| +}; |
| +struct uffdio_zeropage { |
| + struct uffdio_range range; |
| +#define UFFDIO_ZEROPAGE_MODE_DONTWAKE ((__u64) 1 << 0) |
| + __u64 mode; |
| + __s64 zeropage; |
| +}; |
| +struct uffdio_writeprotect { |
| + struct uffdio_range range; |
| +#define UFFDIO_WRITEPROTECT_MODE_WP ((__u64) 1 << 0) |
| +#define UFFDIO_WRITEPROTECT_MODE_DONTWAKE ((__u64) 1 << 1) |
| + __u64 mode; |
| +}; |
| +struct uffdio_continue { |
| + struct uffdio_range range; |
| +#define UFFDIO_CONTINUE_MODE_DONTWAKE ((__u64) 1 << 0) |
| + __u64 mode; |
| + __s64 mapped; |
| +}; |
| +#define UFFD_USER_MODE_ONLY 1 |
| +#endif |