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-rw-r--r--libc/sysdeps/linux/tile/bits/byteswap.h35
-rw-r--r--libc/sysdeps/linux/tile/bits/endian.h11
-rw-r--r--libc/sysdeps/linux/tile/bits/fcntl.h228
-rw-r--r--libc/sysdeps/linux/tile/bits/kernel_types.h45
-rw-r--r--libc/sysdeps/linux/tile/bits/mman.h38
-rw-r--r--libc/sysdeps/linux/tile/bits/setjmp.h34
-rw-r--r--libc/sysdeps/linux/tile/bits/shm.h90
-rw-r--r--libc/sysdeps/linux/tile/bits/sigcontextinfo.h31
-rw-r--r--libc/sysdeps/linux/tile/bits/stackinfo.h11
-rw-r--r--libc/sysdeps/linux/tile/bits/syscalls.h151
-rw-r--r--libc/sysdeps/linux/tile/bits/uClibc_arch_features.h39
-rw-r--r--libc/sysdeps/linux/tile/bits/wordsize.h11
12 files changed, 724 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/tile/bits/byteswap.h b/libc/sysdeps/linux/tile/bits/byteswap.h
new file mode 100644
index 000000000..524a35576
--- /dev/null
+++ b/libc/sysdeps/linux/tile/bits/byteswap.h
@@ -0,0 +1,35 @@
+/* Copyright (C) 2011-2018 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#if !defined _BYTESWAP_H && !defined _NETINET_IN_H && !defined _ENDIAN_H
+# error "Never use <bits/byteswap.h> directly; include <byteswap.h> instead."
+#endif
+
+#ifndef _BITS_BYTESWAP_H
+#define _BITS_BYTESWAP_H 1
+
+#include <bits/types.h>
+
+/* gcc __builtin_bswap64() can constant-fold, etc, so always use it. */
+#define __bswap_16(x) ((unsigned short)(__builtin_bswap32(x) >> 16))
+#define __bswap_32(x) ((unsigned int)__builtin_bswap32(x))
+#define __bswap_64(x) ((__uint64_t)__builtin_bswap64(x))
+
+#define __bswap_constant_16(x) __bswap_16(x)
+#define __bswap_constant_32(x) __bswap_32(x)
+#define __bswap_constant_64(x) __bswap_64(x)
+
+#endif /* _BITS_BYTESWAP_H */
diff --git a/libc/sysdeps/linux/tile/bits/endian.h b/libc/sysdeps/linux/tile/bits/endian.h
new file mode 100644
index 000000000..835042a7a
--- /dev/null
+++ b/libc/sysdeps/linux/tile/bits/endian.h
@@ -0,0 +1,11 @@
+/* Set endianness for tile. */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#if defined __BIG_ENDIAN__
+# define __BYTE_ORDER __BIG_ENDIAN
+#else
+# define __BYTE_ORDER __LITTLE_ENDIAN
+#endif
diff --git a/libc/sysdeps/linux/tile/bits/fcntl.h b/libc/sysdeps/linux/tile/bits/fcntl.h
new file mode 100644
index 000000000..3cb4d2caf
--- /dev/null
+++ b/libc/sysdeps/linux/tile/bits/fcntl.h
@@ -0,0 +1,228 @@
+/* O_*, F_*, FD_* bit values for Linux.
+ *
+ * Licensed under the LGPL v2.1 or later, see the file
+ * COPYING.LIB in this tarball.
+ */
+
+#ifndef _FCNTL_H
+# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+#include <sys/types.h>
+#ifdef __USE_GNU
+# include <bits/uio.h>
+#endif
+
+/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
+ located on an ext2 file system */
+#define O_ACCMODE 0003
+#define O_RDONLY 00
+#define O_WRONLY 01
+#define O_RDWR 02
+#define O_CREAT 0100 /* not fcntl */
+#define O_EXCL 0200 /* not fcntl */
+#define O_NOCTTY 0400 /* not fcntl */
+#define O_TRUNC 01000 /* not fcntl */
+#define O_APPEND 02000
+#define O_NONBLOCK 04000
+#define O_NDELAY O_NONBLOCK
+#define O_SYNC 010000
+#define O_FSYNC O_SYNC
+#define O_ASYNC 020000
+
+#ifdef __USE_XOPEN2K8
+# define O_DIRECTORY 0200000 /* Must be a directory. */
+# define O_NOFOLLOW 0400000 /* Do not follow links. */
+# define O_CLOEXEC 02000000 /* Set close_on_exec. */
+#endif
+
+#ifdef __USE_GNU
+# define O_DIRECT 040000 /* Direct disk access. */
+# define O_NOATIME 01000000 /* Do not set atime. */
+# define O_PATH 010000000 /* Resolve pathname but do not open file. */
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE 0100000
+#endif
+
+/* For now Linux has synchronisity options for data and read operations.
+ We define the symbols here but let them do the same as O_SYNC since
+ this is a superset. */
+#if defined __USE_POSIX199309 || defined __USE_UNIX98
+# define O_DSYNC O_SYNC /* Synchronize data. */
+# define O_RSYNC O_SYNC /* Synchronize read operations. */
+#endif
+
+/* Values for the second argument to `fcntl'. */
+#define F_DUPFD 0 /* Duplicate file descriptor. */
+#define F_GETFD 1 /* Get file descriptor flags. */
+#define F_SETFD 2 /* Set file descriptor flags. */
+#define F_GETFL 3 /* Get file status flags. */
+#define F_SETFL 4 /* Set file status flags. */
+
+#ifndef __USE_FILE_OFFSET64
+# define F_GETLK 5 /* Get record locking info. */
+# define F_SETLK 6 /* Set record locking info (non-blocking). */
+# define F_SETLKW 7 /* Set record locking info (blocking). */
+#else
+# define F_GETLK F_GETLK64 /* Get record locking info. */
+# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/
+# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
+#endif
+#define F_GETLK64 12 /* Get record locking info. */
+#define F_SETLK64 13 /* Set record locking info (non-blocking). */
+#define F_SETLKW64 14 /* Set record locking info (blocking). */
+
+#if defined __USE_BSD || defined __USE_XOPEN2K
+# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
+# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETSIG 10 /* Set number of signal to be sent. */
+# define F_GETSIG 11 /* Get number of signal to be sent. */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETLEASE 1024 /* Set a lease. */
+# define F_GETLEASE 1025 /* Enquire what lease is active. */
+# define F_NOTIFY 1026 /* Request notfications on a directory. */
+# define F_DUPFD_CLOEXEC 1030 /* Duplicate file descriptor with
+ close-on-exit set on new fd. */
+# define F_SETPIPE_SZ 1031 /* Set pipe page size array. */
+# define F_GETPIPE_SZ 1032 /* Get pipe page size array. */
+#endif
+
+/* For F_[GET|SET]FL. */
+#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
+
+/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
+#define F_RDLCK 0 /* Read lock. */
+#define F_WRLCK 1 /* Write lock. */
+#define F_UNLCK 2 /* Remove lock. */
+
+/* For old implementation of bsd flock(). */
+#define F_EXLCK 4 /* or 3 */
+#define F_SHLCK 8 /* or 4 */
+
+#ifdef __USE_BSD
+/* Operations for bsd flock(), also used by the kernel implementation. */
+# define LOCK_SH 1 /* shared lock */
+# define LOCK_EX 2 /* exclusive lock */
+# define LOCK_NB 4 /* or'd with one of the above to prevent
+ blocking */
+# define LOCK_UN 8 /* remove lock */
+#endif
+
+#ifdef __USE_GNU
+# define LOCK_MAND 32 /* This is a mandatory flock: */
+# define LOCK_READ 64 /* ... which allows concurrent read operations. */
+# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */
+# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */
+#endif
+
+#ifdef __USE_GNU
+/* Types of directory notifications that may be requested with F_NOTIFY. */
+# define DN_ACCESS 0x00000001 /* File accessed. */
+# define DN_MODIFY 0x00000002 /* File modified. */
+# define DN_CREATE 0x00000004 /* File created. */
+# define DN_DELETE 0x00000008 /* File removed. */
+# define DN_RENAME 0x00000010 /* File renamed. */
+# define DN_ATTRIB 0x00000020 /* File changed attibutes. */
+# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
+#endif
+
+struct flock
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+#ifndef __USE_FILE_OFFSET64
+ __off_t l_start; /* Offset where the lock begins. */
+ __off_t l_len; /* Size of the locked area; zero means until EOF. */
+#else
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+#endif
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+
+#ifdef __USE_LARGEFILE64
+struct flock64
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+#endif
+
+/* Define some more compatibility macros to be backward compatible with
+ BSD systems which did not managed to hide these kernel macros. */
+#ifdef __USE_BSD
+# define FAPPEND O_APPEND
+# define FFSYNC O_FSYNC
+# define FASYNC O_ASYNC
+# define FNONBLOCK O_NONBLOCK
+# define FNDELAY O_NDELAY
+#endif /* Use BSD. */
+
+/* Advise to `posix_fadvise'. */
+#ifdef __USE_XOPEN2K
+# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
+# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
+# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
+# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
+# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
+# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
+#endif
+
+#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
+/* Flags for SYNC_FILE_RANGE. */
+# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
+ in the range before performing the
+ write. */
+# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
+ dirty pages in the range which are
+ not presently under writeback. */
+# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
+ the range after performing the
+ write. */
+
+/* Flags for SPLICE and VMSPLICE. */
+# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
+# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
+ (but we may still block on the fd
+ we splice from/to). */
+# define SPLICE_F_MORE 4 /* Expect more data. */
+# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
+#endif
+
+__BEGIN_DECLS
+
+#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
+
+/* Provide kernel hint to read ahead. */
+extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
+ __THROW;
+
+/* Selective file content synch'ing. */
+extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
+ unsigned int __flags);
+
+/* Splice address range into a pipe. */
+extern ssize_t vmsplice (int __fdout, const struct iovec *__iov,
+ size_t __count, unsigned int __flags);
+
+/* Splice two files together. */
+extern ssize_t splice (int __fdin, __off64_t *__offin, int __fdout,
+ __off64_t *__offout, size_t __len,
+ unsigned int __flags);
+
+/* In-kernel implementation of tee for pipe buffers. */
+extern ssize_t tee (int __fdin, int __fdout, size_t __len,
+ unsigned int __flags);
+
+#endif
+__END_DECLS
diff --git a/libc/sysdeps/linux/tile/bits/kernel_types.h b/libc/sysdeps/linux/tile/bits/kernel_types.h
new file mode 100644
index 000000000..a17c03445
--- /dev/null
+++ b/libc/sysdeps/linux/tile/bits/kernel_types.h
@@ -0,0 +1,45 @@
+/*
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB
+ * in this tarball.
+ */
+
+#ifndef __ASM_GENERIC_POSIX_TYPES_H
+#define __ASM_GENERIC_POSIX_TYPES_H
+
+typedef unsigned short __kernel_dev_t;
+typedef unsigned long __kernel_ino_t;
+typedef unsigned short __kernel_mode_t;
+typedef unsigned short __kernel_nlink_t;
+typedef long __kernel_off_t;
+typedef int __kernel_pid_t;
+typedef unsigned short __kernel_ipc_pid_t;
+typedef unsigned short __kernel_uid_t;
+typedef unsigned short __kernel_gid_t;
+typedef unsigned int __kernel_size_t;
+typedef int __kernel_ssize_t;
+typedef int __kernel_ptrdiff_t;
+typedef long __kernel_time_t;
+typedef long __kernel_suseconds_t;
+typedef long __kernel_clock_t;
+typedef int __kernel_daddr_t;
+typedef char * __kernel_caddr_t;
+typedef unsigned short __kernel_uid16_t;
+typedef unsigned short __kernel_gid16_t;
+typedef unsigned int __kernel_uid32_t;
+typedef unsigned int __kernel_gid32_t;
+typedef unsigned short __kernel_old_uid_t;
+typedef unsigned short __kernel_old_gid_t;
+typedef long long __kernel_loff_t;
+typedef __kernel_dev_t __kernel_old_dev_t;
+typedef long __kernel_long_t;
+typedef unsigned long __kernel_ulong_t;
+
+typedef struct {
+#ifdef __USE_ALL
+ int val[2];
+#else
+ int __val[2];
+#endif
+} __kernel_fsid_t;
+
+#endif
diff --git a/libc/sysdeps/linux/tile/bits/mman.h b/libc/sysdeps/linux/tile/bits/mman.h
new file mode 100644
index 000000000..9fe3b9849
--- /dev/null
+++ b/libc/sysdeps/linux/tile/bits/mman.h
@@ -0,0 +1,38 @@
+/* Copyright (C) 2011-2018 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _SYS_MMAN_H
+# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
+#endif
+
+/* The following definitions basically come from the kernel headers.
+ But the kernel header is not namespace clean. */
+
+#ifdef __USE_MISC
+/* These are Linux-specific. */
+# define MAP_NONBLOCK 0x00080 /* Do not block on IO. */
+# define MAP_GROWSDOWN 0x00100 /* Stack-like segment. */
+# define MAP_STACK MAP_GROWSDOWN /* Provide convenience alias. */
+# define MAP_LOCKED 0x00200 /* Lock the mapping. */
+# define MAP_NORESERVE 0x00400 /* Don't check for reservations. */
+# define MAP_DENYWRITE 0x00800 /* ETXTBSY */
+# define MAP_EXECUTABLE 0x01000 /* Mark it as an executable. */
+# define MAP_POPULATE 0x00040 /* Populate (prefault) pagetables. */
+# define MAP_HUGETLB 0x04000 /* Create huge page mapping. */
+#endif
+
+/* Include generic Linux declarations. */
+#include <bits/mman-linux.h>
diff --git a/libc/sysdeps/linux/tile/bits/setjmp.h b/libc/sysdeps/linux/tile/bits/setjmp.h
new file mode 100644
index 000000000..47b46db46
--- /dev/null
+++ b/libc/sysdeps/linux/tile/bits/setjmp.h
@@ -0,0 +1,34 @@
+/* Copyright (C) 2011-2018 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+/* Define the machine-dependent type `jmp_buf'. TILE version. */
+#ifndef _BITS_SETJMP_H
+#define _BITS_SETJMP_H 1
+
+#if !defined _SETJMP_H && !defined _PTHREAD_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#ifndef _ASM
+
+#define __need_int_reg_t
+#include <arch/abi.h>
+
+typedef __uint_reg_t __jmp_buf[32];
+
+#endif
+
+#endif /* bits/setjmp.h */
diff --git a/libc/sysdeps/linux/tile/bits/shm.h b/libc/sysdeps/linux/tile/bits/shm.h
new file mode 100644
index 000000000..dbe4851f9
--- /dev/null
+++ b/libc/sysdeps/linux/tile/bits/shm.h
@@ -0,0 +1,90 @@
+/*
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB
+ * in this tarball.
+ */
+
+#ifndef _SYS_SHM_H
+# error "Never include <bits/shm.h> directly; use <sys/shm.h> instead."
+#endif
+
+#include <bits/types.h>
+
+/* Permission flag for shmget. */
+#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
+#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+
+/* Flags for `shmat'. */
+#define SHM_RDONLY 010000 /* attach read-only else read-write */
+#define SHM_RND 020000 /* round attach address to SHMLBA */
+#define SHM_REMAP 040000 /* take-over region on attach */
+
+/* Commands for `shmctl'. */
+#define SHM_LOCK 11 /* lock segment (root only) */
+#define SHM_UNLOCK 12 /* unlock segment (root only) */
+
+__BEGIN_DECLS
+
+/* Segment low boundary address multiple. */
+#define SHMLBA (__getpagesize () << 2)
+extern int __getpagesize (void) __THROW __attribute__ ((__const__));
+
+
+/* Type to count number of attaches. */
+typedef unsigned long int shmatt_t;
+
+/* Data structure describing a set of semaphores. */
+struct shmid_ds
+ {
+ struct ipc_perm shm_perm; /* operation permission struct */
+ size_t shm_segsz; /* size of segment in bytes */
+ __time_t shm_atime; /* time of last shmat() */
+ unsigned long int __unused1;
+ __time_t shm_dtime; /* time of last shmdt() */
+ unsigned long int __unused2;
+ __time_t shm_ctime; /* time of last change by shmctl() */
+ unsigned long int __unused3;
+ __pid_t shm_cpid; /* pid of creator */
+ __pid_t shm_lpid; /* pid of last shmop */
+ shmatt_t shm_nattch; /* number of current attaches */
+ unsigned long int __unused4;
+ unsigned long int __unused5;
+ };
+
+#ifdef __USE_MISC
+
+/* ipcs ctl commands */
+# define SHM_STAT 13
+# define SHM_INFO 14
+
+/* shm_mode upper byte flags */
+# define SHM_DEST 01000 /* segment will be destroyed on last detach */
+# define SHM_LOCKED 02000 /* segment will not be swapped */
+# define SHM_HUGETLB 04000 /* segment is mapped via hugetlb */
+# define SHM_NORESERVE 010000 /* don't check for reservations */
+
+struct shminfo
+ {
+ unsigned long int shmmax;
+ unsigned long int shmmin;
+ unsigned long int shmmni;
+ unsigned long int shmseg;
+ unsigned long int shmall;
+ unsigned long int __unused1;
+ unsigned long int __unused2;
+ unsigned long int __unused3;
+ unsigned long int __unused4;
+ };
+
+struct shm_info
+ {
+ int used_ids;
+ unsigned long int shm_tot; /* total allocated shm */
+ unsigned long int shm_rss; /* total resident shm */
+ unsigned long int shm_swp; /* total swapped shm */
+ unsigned long int swap_attempts;
+ unsigned long int swap_successes;
+ };
+
+#endif /* __USE_MISC */
+
+__END_DECLS
diff --git a/libc/sysdeps/linux/tile/bits/sigcontextinfo.h b/libc/sysdeps/linux/tile/bits/sigcontextinfo.h
new file mode 100644
index 000000000..b5a857d4f
--- /dev/null
+++ b/libc/sysdeps/linux/tile/bits/sigcontextinfo.h
@@ -0,0 +1,31 @@
+/*
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB
+ * in this tarball.
+ */
+
+/* Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>, 1998.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#define SIGCONTEXT int _code, struct sigcontext *
+#define SIGCONTEXT_EXTRA_ARGS _code,
+#define GET_PC(ctx) ((void *) (ctx)->sc_pc)
+#define GET_FRAME(ctx) ((void *) __builtin_frame_address (1))
+#define GET_STACK(ctx) ((void *) (ctx)->sc_usp)
+#define CALL_SIGHANDLER(handler, signo, ctx) \
+ (handler)((signo), SIGCONTEXT_EXTRA_ARGS (ctx))
diff --git a/libc/sysdeps/linux/tile/bits/stackinfo.h b/libc/sysdeps/linux/tile/bits/stackinfo.h
new file mode 100644
index 000000000..a9fd8173b
--- /dev/null
+++ b/libc/sysdeps/linux/tile/bits/stackinfo.h
@@ -0,0 +1,11 @@
+/*
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB
+ * in this tarball.
+ */
+
+#ifndef _STACKINFO_H
+#define _STACKINFO_H 1
+
+#define _STACK_GROWS_DOWN 1
+
+#endif
diff --git a/libc/sysdeps/linux/tile/bits/syscalls.h b/libc/sysdeps/linux/tile/bits/syscalls.h
new file mode 100644
index 000000000..f4447a888
--- /dev/null
+++ b/libc/sysdeps/linux/tile/bits/syscalls.h
@@ -0,0 +1,151 @@
+/* Copyright (C) 2011-2018 Free Software Foundation, Inc.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _BITS_SYSCALLS_H
+#define _BITS_SYSCALLS_H
+#ifndef _SYSCALL_H
+# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
+#endif
+
+/* Define a macro which expands inline into the wrapper code for a system
+ call. */
+# undef INLINE_SYSCALL
+# define INLINE_SYSCALL(name, nr, args...) \
+ ({ \
+ INTERNAL_SYSCALL_DECL (_sc_err); \
+ unsigned long _sc_val = INTERNAL_SYSCALL (name, _sc_err, nr, args); \
+ if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (_sc_val, _sc_err), 0)) \
+ { \
+ __set_errno (INTERNAL_SYSCALL_ERRNO (_sc_val, _sc_err)); \
+ _sc_val = -1; \
+ } \
+ (long) _sc_val; \
+ })
+
+#undef INTERNAL_SYSCALL
+#define INTERNAL_SYSCALL(name, err, nr, args...) \
+ internal_syscall##nr (SYS_ify (name), err, args)
+
+#undef INTERNAL_SYSCALL_NCS
+#define INTERNAL_SYSCALL_NCS(number, err, nr, args...) \
+ internal_syscall##nr (number, err, args)
+
+#undef INTERNAL_SYSCALL_DECL
+#define INTERNAL_SYSCALL_DECL(err) int err
+
+#undef INTERNAL_SYSCALL_ERROR_P
+#define INTERNAL_SYSCALL_ERROR_P(val, err) ({ (void) (val); (err) != 0; })
+
+#undef INTERNAL_SYSCALL_ERRNO
+#define INTERNAL_SYSCALL_ERRNO(val, err) ({ (void) (val); (err); })
+
+#define internal_syscall0(num, err, dummy...) \
+ ({ \
+ long _sys_result, __SYSCALL_CLOBBER_DECLS; \
+ __asm__ __volatile__ ( \
+ "swint1" \
+ : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \
+ : "R10" (num) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result; \
+ })
+
+#define internal_syscall1(num, err, arg0) \
+ ({ \
+ long _sys_result, __SYSCALL_CLOBBER_DECLS; \
+ __asm__ __volatile__ ( \
+ "swint1" \
+ : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \
+ : "R10" (num), "R00" (arg0) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result; \
+ })
+
+#define internal_syscall2(num, err, arg0, arg1) \
+ ({ \
+ long _sys_result, __SYSCALL_CLOBBER_DECLS; \
+ __asm__ __volatile__ ( \
+ "swint1" \
+ : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \
+ : "R10" (num), "R00" (arg0), "R01" (arg1) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result; \
+ })
+
+#define internal_syscall3(num, err, arg0, arg1, arg2) \
+ ({ \
+ long _sys_result, __SYSCALL_CLOBBER_DECLS; \
+ __asm__ __volatile__ ( \
+ "swint1" \
+ : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \
+ : "R10" (num), "R00" (arg0), "R01" (arg1), "R02" (arg2) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result; \
+ })
+
+#define internal_syscall4(num, err, arg0, arg1, arg2, arg3) \
+ ({ \
+ long _sys_result, __SYSCALL_CLOBBER_DECLS; \
+ __asm__ __volatile__ ( \
+ "swint1" \
+ : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \
+ : "R10" (num), "R00" (arg0), "R01" (arg1), "R02" (arg2), \
+ "R03" (arg3) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result; \
+ })
+
+#define internal_syscall5(num, err, arg0, arg1, arg2, arg3, arg4) \
+ ({ \
+ long _sys_result, __SYSCALL_CLOBBER_DECLS; \
+ __asm__ __volatile__ ( \
+ "swint1" \
+ : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \
+ : "R10" (num), "R00" (arg0), "R01" (arg1), "R02" (arg2), \
+ "R03" (arg3), "R04" (arg4) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result; \
+ })
+
+#define internal_syscall6(num, err, arg0, arg1, arg2, arg3, arg4, arg5) \
+ ({ \
+ long _sys_result, __SYSCALL_CLOBBER_DECLS; \
+ __asm__ __volatile__ ( \
+ "swint1" \
+ : "=R00" (_sys_result), "=R01" (err), __SYSCALL_CLOBBER_OUTPUTS \
+ : "R10" (num), "R00" (arg0), "R01" (arg1), "R02" (arg2), \
+ "R03" (arg3), "R04" (arg4), "R05" (arg5) \
+ : __SYSCALL_CLOBBERS); \
+ _sys_result; \
+ })
+
+#undef __SYSCALL_CLOBBERS
+#define __SYSCALL_CLOBBERS \
+ "r6", "r7", \
+ "r8", "r9", "r11", "r12", "r13", "r14", "r15", \
+ "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \
+ "r24", "r25", "r26", "r27", "r28", "r29", "memory"
+
+/* gcc doesn't seem to allow an input operand to be clobbered, so we
+ fake it with dummy outputs. */
+#define __SYSCALL_CLOBBER_DECLS \
+ _clobber_r2, _clobber_r3, _clobber_r4, _clobber_r5, _clobber_r10
+
+#define __SYSCALL_CLOBBER_OUTPUTS \
+ "=R02" (_clobber_r2), "=R03" (_clobber_r3), "=R04" (_clobber_r4), \
+ "=R05" (_clobber_r5), "=R10" (_clobber_r10)
+
+#endif
diff --git a/libc/sysdeps/linux/tile/bits/uClibc_arch_features.h b/libc/sysdeps/linux/tile/bits/uClibc_arch_features.h
new file mode 100644
index 000000000..1472b18ab
--- /dev/null
+++ b/libc/sysdeps/linux/tile/bits/uClibc_arch_features.h
@@ -0,0 +1,39 @@
+/*
+ * Track misc arch-specific features that aren't config options
+ */
+
+#ifndef _BITS_UCLIBC_ARCH_FEATURES_H
+#define _BITS_UCLIBC_ARCH_FEATURES_H
+
+#define __UCLIBC_ABORT_INSTRUCTION__ "ill"
+
+/* can your target use syscall6() for mmap ? */
+#undef __UCLIBC_MMAP_HAS_6_ARGS__
+
+#define __UCLIBC_SYSCALL_ALIGN_64BIT__
+
+/* does your target have a broken create_module() ? */
+#define __UCLIBC_BROKEN_CREATE_MODULE__
+
+/* does your target have to worry about older [gs]etrlimit() ? */
+#define __UCLIBC_HANDLE_OLDER_RLIMIT__
+
+/* does your target have an asm .set ? */
+#define __UCLIBC_HAVE_ASM_SET_DIRECTIVE__
+
+/* define if target doesn't like .global */
+#undef __UCLIBC_ASM_GLOBAL_DIRECTIVE__
+
+/* define if target supports .weak */
+#define __UCLIBC_HAVE_ASM_WEAK_DIRECTIVE__
+
+/* define if target supports .weakext */
+#undef __UCLIBC_HAVE_ASM_WEAKEXT_DIRECTIVE__
+
+/* define if target supports IEEE signed zero floats */
+#define __UCLIBC_HAVE_SIGNED_ZERO__
+
+/* define if target supports CFI pseudo ops */
+#define __UCLIBC_HAVE_ASM_CFI_DIRECTIVES__
+
+#endif /* _BITS_UCLIBC_ARCH_FEATURES_H */
diff --git a/libc/sysdeps/linux/tile/bits/wordsize.h b/libc/sysdeps/linux/tile/bits/wordsize.h
new file mode 100644
index 000000000..9dc4da5de
--- /dev/null
+++ b/libc/sysdeps/linux/tile/bits/wordsize.h
@@ -0,0 +1,11 @@
+/* Determine the wordsize from the preprocessor defines. */
+
+#ifdef __LP64__
+# define __WORDSIZE 64
+# define __WORDSIZE_TIME64_COMPAT32 1
+#else
+# define __WORDSIZE 32
+# define __WORDSIZE_TIME64_COMPAT32 0
+# define __WORDSIZE32_SIZE_ULONG 0
+# define __WORDSIZE32_PTRDIFF_LONG 0
+#endif