Add linux/userfaultfd.h header file to host glibc am: 9993489d1c
Original change: https://android-review.googlesource.com/c/platform/prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.17-4.8/+/1999534
Change-Id: Ie5d1af79ff70f9eba3e1b4d67286def30114ed9c
diff --git a/sysroot-patches/glibc-2.17-add-userfaultfd.patch b/sysroot-patches/glibc-2.17-add-userfaultfd.patch
new file mode 100644
index 0000000..fb3a19a
--- /dev/null
+++ b/sysroot-patches/glibc-2.17-add-userfaultfd.patch
@@ -0,0 +1,147 @@
+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
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
