add s390x port

27 files changed, 1097 insertions, 0 deletions

diff --git a/arch/s390x/atomic_arch.h b/arch/s390x/atomic_arch.h
new file mode 100644
index 00000000..9b0e1df9
--- /dev/null
+++ b/arch/s390x/atomic_arch.h
@@ -0,0 +1,30 @@
+#define a_cas a_cas
+static inline int a_cas(volatile int *p, int t, int s)
+{
+	__asm__ __volatile__ (
+		"cs %0, %2, %1"
+		: "+d"(t), "+Q"(*p) : "d"(s) : "memory", "cc");
+	return t;
+}
+
+#define a_cas_p a_cas_p
+static inline void *a_cas_p(volatile void *p, void *t, void *s)
+{
+	__asm__ __volatile__ (
+		"csg %0, %2, %1"
+		: "+d"(t), "+Q"(*(void *volatile *)p) : "d"(s)
+		: "memory", "cc");
+	return t;
+}
+
+#define a_barrier a_barrier
+static inline void a_barrier()
+{
+	__asm__ __volatile__ ("bcr 15,0" : : : "memory");
+}
+
+#define a_crash a_crash
+static inline void a_crash()
+{
+	__asm__ __volatile__ (".insn e,0");
+}
diff --git a/arch/s390x/bits/alltypes.h.in b/arch/s390x/bits/alltypes.h.in
new file mode 100644
index 00000000..1a838462
--- /dev/null
+++ b/arch/s390x/bits/alltypes.h.in
@@ -0,0 +1,26 @@
+#define _Addr long
+#define _Int64 long
+#define _Reg long
+
+TYPEDEF __builtin_va_list va_list;
+TYPEDEF __builtin_va_list __isoc_va_list;
+
+#ifndef __cplusplus
+TYPEDEF int wchar_t;
+#endif
+
+TYPEDEF double float_t;
+TYPEDEF double double_t;
+
+TYPEDEF struct { long long __ll; long double __ld; } max_align_t;
+
+TYPEDEF long time_t;
+TYPEDEF long suseconds_t;
+
+TYPEDEF struct { union { int __i[14]; volatile int __vi[14]; unsigned long __s[7]; } __u; } pthread_attr_t;
+TYPEDEF struct { union { int __i[10]; volatile int __vi[10]; volatile void *volatile __p[5]; } __u; } pthread_mutex_t;
+TYPEDEF struct { union { int __i[10]; volatile int __vi[10]; volatile void *volatile __p[5]; } __u; } mtx_t;
+TYPEDEF struct { union { int __i[12]; volatile int __vi[12]; void *__p[6]; } __u; } pthread_cond_t;
+TYPEDEF struct { union { int __i[12]; volatile int __vi[12]; void *__p[6]; } __u; } cnd_t;
+TYPEDEF struct { union { int __i[14]; volatile int __vi[14]; void *__p[7]; } __u; } pthread_rwlock_t;
+TYPEDEF struct { union { int __i[8]; volatile int __vi[8]; void *__p[4]; } __u; } pthread_barrier_t;
diff --git a/arch/s390x/bits/endian.h b/arch/s390x/bits/endian.h
new file mode 100644
index 00000000..ef074b77
--- /dev/null
+++ b/arch/s390x/bits/endian.h
@@ -0,0 +1 @@
+#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/arch/s390x/bits/fcntl.h b/arch/s390x/bits/fcntl.h
new file mode 100644
index 00000000..1eca6ba5
--- /dev/null
+++ b/arch/s390x/bits/fcntl.h
@@ -0,0 +1,40 @@
+#define O_CREAT        0100
+#define O_EXCL         0200
+#define O_NOCTTY       0400
+#define O_TRUNC       01000
+#define O_APPEND      02000
+#define O_NONBLOCK    04000
+#define O_DSYNC      010000
+#define O_SYNC     04010000
+#define O_RSYNC    04010000
+#define O_DIRECTORY 0200000
+#define O_NOFOLLOW  0400000
+#define O_CLOEXEC  02000000
+
+#define O_ASYNC      020000
+#define O_DIRECT     040000
+#define O_LARGEFILE 0100000
+#define O_NOATIME  01000000
+#define O_PATH    010000000
+#define O_TMPFILE 020200000
+#define O_NDELAY O_NONBLOCK
+
+#define F_DUPFD  0
+#define F_GETFD  1
+#define F_SETFD  2
+#define F_GETFL  3
+#define F_SETFL  4
+
+#define F_GETLK  5
+#define F_SETLK  6
+#define F_SETLKW 7
+
+#define F_SETOWN 8
+#define F_GETOWN 9
+#define F_SETSIG 10
+#define F_GETSIG 11
+
+#define F_SETOWN_EX 15
+#define F_GETOWN_EX 16
+
+#define F_GETOWNER_UIDS 17
diff --git a/arch/s390x/bits/fenv.h b/arch/s390x/bits/fenv.h
new file mode 100644
index 00000000..773dad91
--- /dev/null
+++ b/arch/s390x/bits/fenv.h
@@ -0,0 +1,17 @@
+#define FE_TONEAREST	0
+#define FE_TOWARDZERO	1
+#define FE_UPWARD	2
+#define FE_DOWNWARD	3
+
+#define FE_INEXACT	0x00080000
+#define FE_UNDERFLOW	0x00100000
+#define FE_OVERFLOW	0x00200000
+#define FE_DIVBYZERO	0x00400000
+#define FE_INVALID	0x00800000
+
+#define FE_ALL_EXCEPT	0x00f80000
+
+typedef unsigned fexcept_t;
+typedef unsigned fenv_t;
+
+#define FE_DFL_ENV ((const fenv_t *)-1)
diff --git a/arch/s390x/bits/float.h b/arch/s390x/bits/float.h
new file mode 100644
index 00000000..90b73bee
--- /dev/null
+++ b/arch/s390x/bits/float.h
@@ -0,0 +1,16 @@
+#define FLT_EVAL_METHOD 1
+
+#define LDBL_TRUE_MIN 6.47517511943802511092443895822764655e-4966L
+#define LDBL_MIN 3.36210314311209350626267781732175260e-4932L
+#define LDBL_MAX 1.18973149535723176508575932662800702e+4932L
+#define LDBL_EPSILON 1.92592994438723585305597794258492732e-34L
+
+#define LDBL_MANT_DIG 113
+#define LDBL_MIN_EXP (-16381)
+#define LDBL_MAX_EXP 16384
+
+#define LDBL_DIG 33
+#define LDBL_MIN_10_EXP (-4931)
+#define LDBL_MAX_10_EXP 4932
+
+#define DECIMAL_DIG 36
diff --git a/arch/s390x/bits/ioctl.h b/arch/s390x/bits/ioctl.h
new file mode 100644
index 00000000..11196e15
--- /dev/null
+++ b/arch/s390x/bits/ioctl.h
@@ -0,0 +1,195 @@
+#define _IOC(a,b,c,d) ( ((a)<<30) | ((b)<<8) | (c) | ((d)<<16) )
+#define _IOC_NONE  0U
+#define _IOC_WRITE 1U
+#define _IOC_READ  2U
+
+#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0)
+#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c))
+#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c))
+#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c))
+
+#define TCGETS		0x5401
+#define TCSETS		0x5402
+#define TCSETSW		0x5403
+#define TCSETSF		0x5404
+#define TCGETA		0x5405
+#define TCSETA		0x5406
+#define TCSETAW		0x5407
+#define TCSETAF		0x5408
+#define TCSBRK		0x5409
+#define TCXONC		0x540A
+#define TCFLSH		0x540B
+#define TIOCEXCL	0x540C
+#define TIOCNXCL	0x540D
+#define TIOCSCTTY	0x540E
+#define TIOCGPGRP	0x540F
+#define TIOCSPGRP	0x5410
+#define TIOCOUTQ	0x5411
+#define TIOCSTI		0x5412
+#define TIOCGWINSZ	0x5413
+#define TIOCSWINSZ	0x5414
+#define TIOCMGET	0x5415
+#define TIOCMBIS	0x5416
+#define TIOCMBIC	0x5417
+#define TIOCMSET	0x5418
+#define TIOCGSOFTCAR	0x5419
+#define TIOCSSOFTCAR	0x541A
+#define FIONREAD	0x541B
+#define TIOCINQ		FIONREAD
+#define TIOCLINUX	0x541C
+#define TIOCCONS	0x541D
+#define TIOCGSERIAL	0x541E
+#define TIOCSSERIAL	0x541F
+#define TIOCPKT		0x5420
+#define FIONBIO		0x5421
+#define TIOCNOTTY	0x5422
+#define TIOCSETD	0x5423
+#define TIOCGETD	0x5424
+#define TCSBRKP		0x5425
+#define TIOCTTYGSTRUCT	0x5426
+#define TIOCSBRK	0x5427
+#define TIOCCBRK	0x5428
+#define TIOCGSID	0x5429
+#define TIOCGPTN	0x80045430
+#define TIOCSPTLCK	0x40045431
+#define TCGETX		0x5432
+#define TCSETX		0x5433
+#define TCSETXF		0x5434
+#define TCSETXW		0x5435
+
+#define FIONCLEX	0x5450
+#define FIOCLEX		0x5451
+#define FIOASYNC	0x5452
+#define TIOCSERCONFIG	0x5453
+#define TIOCSERGWILD	0x5454
+#define TIOCSERSWILD	0x5455
+#define TIOCGLCKTRMIOS	0x5456
+#define TIOCSLCKTRMIOS	0x5457
+#define TIOCSERGSTRUCT	0x5458
+#define TIOCSERGETLSR   0x5459
+#define TIOCSERGETMULTI 0x545A
+#define TIOCSERSETMULTI 0x545B
+
+#define TIOCMIWAIT	0x545C
+#define TIOCGICOUNT	0x545D
+#define FIOQSIZE	0x545E
+
+#define TIOCPKT_DATA		 0
+#define TIOCPKT_FLUSHREAD	 1
+#define TIOCPKT_FLUSHWRITE	 2
+#define TIOCPKT_STOP		 4
+#define TIOCPKT_START		 8
+#define TIOCPKT_NOSTOP		16
+#define TIOCPKT_DOSTOP		32
+#define TIOCPKT_IOCTL		64
+
+#define TIOCSER_TEMT    0x01
+
+struct winsize {
+	unsigned short ws_row;
+	unsigned short ws_col;
+	unsigned short ws_xpixel;
+	unsigned short ws_ypixel;
+};
+
+#define TIOCM_LE        0x001
+#define TIOCM_DTR       0x002
+#define TIOCM_RTS       0x004
+#define TIOCM_ST        0x008
+#define TIOCM_SR        0x010
+#define TIOCM_CTS       0x020
+#define TIOCM_CAR       0x040
+#define TIOCM_RNG       0x080
+#define TIOCM_DSR       0x100
+#define TIOCM_CD        TIOCM_CAR
+#define TIOCM_RI        TIOCM_RNG
+#define TIOCM_OUT1      0x2000
+#define TIOCM_OUT2      0x4000
+#define TIOCM_LOOP      0x8000
+#define TIOCM_MODEM_BITS TIOCM_OUT2
+
+#define N_TTY           0
+#define N_SLIP          1
+#define N_MOUSE         2
+#define N_PPP           3
+#define N_STRIP         4
+#define N_AX25          5
+#define N_X25           6
+#define N_6PACK         7
+#define N_MASC          8
+#define N_R3964         9
+#define N_PROFIBUS_FDL  10
+#define N_IRDA          11
+#define N_SMSBLOCK      12
+#define N_HDLC          13
+#define N_SYNC_PPP      14
+#define N_HCI           15
+
+#define FIOSETOWN       0x8901
+#define SIOCSPGRP       0x8902
+#define FIOGETOWN       0x8903
+#define SIOCGPGRP       0x8904
+#define SIOCATMARK      0x8905
+#define SIOCGSTAMP      0x8906
+
+#define SIOCADDRT       0x890B
+#define SIOCDELRT       0x890C
+#define SIOCRTMSG       0x890D
+
+#define SIOCGIFNAME     0x8910
+#define SIOCSIFLINK     0x8911
+#define SIOCGIFCONF     0x8912
+#define SIOCGIFFLAGS    0x8913
+#define SIOCSIFFLAGS    0x8914
+#define SIOCGIFADDR     0x8915
+#define SIOCSIFADDR     0x8916
+#define SIOCGIFDSTADDR  0x8917
+#define SIOCSIFDSTADDR  0x8918
+#define SIOCGIFBRDADDR  0x8919
+#define SIOCSIFBRDADDR  0x891a
+#define SIOCGIFNETMASK  0x891b
+#define SIOCSIFNETMASK  0x891c
+#define SIOCGIFMETRIC   0x891d
+#define SIOCSIFMETRIC   0x891e
+#define SIOCGIFMEM      0x891f
+#define SIOCSIFMEM      0x8920
+#define SIOCGIFMTU      0x8921
+#define SIOCSIFMTU      0x8922
+#define SIOCSIFHWADDR   0x8924
+#define SIOCGIFENCAP    0x8925
+#define SIOCSIFENCAP    0x8926
+#define SIOCGIFHWADDR   0x8927
+#define SIOCGIFSLAVE    0x8929
+#define SIOCSIFSLAVE    0x8930
+#define SIOCADDMULTI    0x8931
+#define SIOCDELMULTI    0x8932
+#define SIOCGIFINDEX    0x8933
+#define SIOGIFINDEX     SIOCGIFINDEX
+#define SIOCSIFPFLAGS   0x8934
+#define SIOCGIFPFLAGS   0x8935
+#define SIOCDIFADDR     0x8936
+#define SIOCSIFHWBROADCAST 0x8937
+#define SIOCGIFCOUNT    0x8938
+
+#define SIOCGIFBR       0x8940
+#define SIOCSIFBR       0x8941
+
+#define SIOCGIFTXQLEN   0x8942
+#define SIOCSIFTXQLEN   0x8943
+
+#define SIOCDARP        0x8953
+#define SIOCGARP        0x8954
+#define SIOCSARP        0x8955
+
+#define SIOCDRARP       0x8960
+#define SIOCGRARP       0x8961
+#define SIOCSRARP       0x8962
+
+#define SIOCGIFMAP      0x8970
+#define SIOCSIFMAP      0x8971
+
+#define SIOCADDDLCI     0x8980
+#define SIOCDELDLCI     0x8981
+
+#define SIOCDEVPRIVATE		0x89F0
+#define SIOCPROTOPRIVATE	0x89E0
diff --git a/arch/s390x/bits/ipc.h b/arch/s390x/bits/ipc.h
new file mode 100644
index 00000000..4710c12b
--- /dev/null
+++ b/arch/s390x/bits/ipc.h
@@ -0,0 +1,14 @@
+struct ipc_perm {
+	key_t __ipc_perm_key;
+	uid_t uid;
+	gid_t gid;
+	uid_t cuid;
+	gid_t cgid;
+	mode_t mode;
+	unsigned short __pad1;
+	unsigned short __ipc_perm_seq;
+	unsigned long __pad2;
+	unsigned long __pad3;
+};
+
+#define IPC_64 0x100
diff --git a/arch/s390x/bits/limits.h b/arch/s390x/bits/limits.h
new file mode 100644
index 00000000..792a30b9
--- /dev/null
+++ b/arch/s390x/bits/limits.h
@@ -0,0 +1,8 @@
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define PAGE_SIZE 4096
+#define LONG_BIT 64
+#endif
+
+#define LONG_MAX  0x7fffffffffffffffL
+#define LLONG_MAX  0x7fffffffffffffffLL
diff --git a/arch/s390x/bits/link.h b/arch/s390x/bits/link.h
new file mode 100644
index 00000000..923aac57
--- /dev/null
+++ b/arch/s390x/bits/link.h
@@ -0,0 +1 @@
+typedef uint64_t Elf_Symndx;
diff --git a/arch/s390x/bits/msg.h b/arch/s390x/bits/msg.h
new file mode 100644
index 00000000..2e23ca27
--- /dev/null
+++ b/arch/s390x/bits/msg.h
@@ -0,0 +1,12 @@
+struct msqid_ds {
+	struct ipc_perm msg_perm;
+	time_t msg_stime;
+	time_t msg_rtime;
+	time_t msg_ctime;
+	unsigned long msg_cbytes;
+	msgqnum_t msg_qnum;
+	msglen_t msg_qbytes;
+	pid_t msg_lspid;
+	pid_t msg_lrpid;
+	unsigned long __unused[2];
+};
diff --git a/arch/s390x/bits/posix.h b/arch/s390x/bits/posix.h
new file mode 100644
index 00000000..c37b94c1
--- /dev/null
+++ b/arch/s390x/bits/posix.h
@@ -0,0 +1,2 @@
+#define _POSIX_V6_LP64_OFF64  1
+#define _POSIX_V7_LP64_OFF64  1
diff --git a/arch/s390x/bits/reg.h b/arch/s390x/bits/reg.h
new file mode 100644
index 00000000..2633f39d
--- /dev/null
+++ b/arch/s390x/bits/reg.h
@@ -0,0 +1,2 @@
+#undef __WORDSIZE
+#define __WORDSIZE 64
diff --git a/arch/s390x/bits/sem.h b/arch/s390x/bits/sem.h
new file mode 100644
index 00000000..644f68a0
--- /dev/null
+++ b/arch/s390x/bits/sem.h
@@ -0,0 +1,7 @@
+struct semid_ds {
+	struct ipc_perm sem_perm;
+	time_t sem_otime;
+	time_t sem_ctime;
+	unsigned short __pad[3], sem_nsems;
+	unsigned long __unused[2];
+};
diff --git a/arch/s390x/bits/setjmp.h b/arch/s390x/bits/setjmp.h
new file mode 100644
index 00000000..b2bd9748
--- /dev/null
+++ b/arch/s390x/bits/setjmp.h
@@ -0,0 +1 @@
+typedef unsigned long __jmp_buf[18];
diff --git a/arch/s390x/bits/shm.h b/arch/s390x/bits/shm.h
new file mode 100644
index 00000000..6652d659
--- /dev/null
+++ b/arch/s390x/bits/shm.h
@@ -0,0 +1,25 @@
+#define SHMLBA 4096
+
+struct shmid_ds {
+	struct ipc_perm shm_perm;
+	size_t shm_segsz;
+	time_t shm_atime;
+	time_t shm_dtime;
+	time_t shm_ctime;
+	pid_t shm_cpid;
+	pid_t shm_lpid;
+	unsigned long shm_nattch;
+	unsigned long __pad1;
+	unsigned long __pad2;
+};
+
+struct shminfo {
+	unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
+};
+
+struct shm_info {
+	int __used_ids;
+	unsigned long shm_tot, shm_rss, shm_swp;
+	unsigned long __swap_attempts, __swap_successes;
+};
+
diff --git a/arch/s390x/bits/signal.h b/arch/s390x/bits/signal.h
new file mode 100644
index 00000000..c8665832
--- /dev/null
+++ b/arch/s390x/bits/signal.h
@@ -0,0 +1,106 @@
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+
+#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define MINSIGSTKSZ 4096
+#define SIGSTKSZ    10240
+#endif
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+
+typedef unsigned long greg_t, gregset_t[27];
+
+typedef struct {
+	unsigned long mask;
+	unsigned long addr;
+} __psw_t;
+
+typedef union {
+	double d;
+	float f;
+} fpreg_t;
+
+typedef struct {
+	unsigned fpc;
+	fpreg_t fprs[16];
+} fpregset_t;
+
+typedef struct
+{
+	__psw_t psw;
+	unsigned long gregs[16];
+	unsigned aregs[16];
+	fpregset_t fpregs;
+} mcontext_t;
+
+#else
+
+typedef struct {
+	unsigned long __regs1[18];
+	unsigned __regs2[18];
+	double __regs3[16];
+} mcontext_t;
+
+#endif
+
+struct sigaltstack {
+	void *ss_sp;
+	int ss_flags;
+	size_t ss_size;
+};
+
+typedef struct __ucontext {
+	unsigned long uc_flags;
+	struct __ucontext *uc_link;
+	stack_t uc_stack;
+	mcontext_t uc_mcontext;
+	sigset_t uc_sigmask;
+} ucontext_t;
+
+#define SA_NOCLDSTOP  1U
+#define SA_NOCLDWAIT  2U
+#define SA_SIGINFO    4U
+#define SA_ONSTACK    0x08000000U
+#define SA_RESTART    0x10000000U
+#define SA_NODEFER    0x40000000U
+#define SA_RESETHAND  0x80000000U
+#define SA_RESTORER   0x04000000U
+
+#endif
+
+#define SIGHUP    1
+#define SIGINT    2
+#define SIGQUIT   3
+#define SIGILL    4
+#define SIGTRAP   5
+#define SIGABRT   6
+#define SIGIOT    SIGABRT
+#define SIGBUS    7
+#define SIGFPE    8
+#define SIGKILL   9
+#define SIGUSR1   10
+#define SIGSEGV   11
+#define SIGUSR2   12
+#define SIGPIPE   13
+#define SIGALRM   14
+#define SIGTERM   15
+#define SIGSTKFLT 16
+#define SIGCHLD   17
+#define SIGCONT   18
+#define SIGSTOP   19
+#define SIGTSTP   20
+#define SIGTTIN   21
+#define SIGTTOU   22
+#define SIGURG    23
+#define SIGXCPU   24
+#define SIGXFSZ   25
+#define SIGVTALRM 26
+#define SIGPROF   27
+#define SIGWINCH  28
+#define SIGIO     29
+#define SIGPOLL   SIGIO
+#define SIGPWR    30
+#define SIGSYS    31
+#define SIGUNUSED SIGSYS
+
+#define _NSIG 65
diff --git a/arch/s390x/bits/socket.h b/arch/s390x/bits/socket.h
new file mode 100644
index 00000000..2b81bfec
--- /dev/null
+++ b/arch/s390x/bits/socket.h
@@ -0,0 +1,44 @@
+struct msghdr {
+	void *msg_name;
+	socklen_t msg_namelen;
+	struct iovec *msg_iov;
+	int __pad1, msg_iovlen;
+	void *msg_control;
+	int __pad2;
+	socklen_t msg_controllen;
+	int msg_flags;
+};
+
+struct cmsghdr {
+	int __pad1;
+	socklen_t cmsg_len;
+	int cmsg_level;
+	int cmsg_type;
+};
+
+#define SO_DEBUG        1
+#define SO_REUSEADDR    2
+#define SO_TYPE         3
+#define SO_ERROR        4
+#define SO_DONTROUTE    5
+#define SO_BROADCAST    6
+#define SO_SNDBUF       7
+#define SO_RCVBUF       8
+#define SO_KEEPALIVE    9
+#define SO_OOBINLINE    10
+#define SO_NO_CHECK     11
+#define SO_PRIORITY     12
+#define SO_LINGER       13
+#define SO_BSDCOMPAT    14
+#define SO_REUSEPORT    15
+#define SO_PASSCRED     16
+#define SO_PEERCRED     17
+#define SO_RCVLOWAT     18
+#define SO_SNDLOWAT     19
+#define SO_RCVTIMEO     20
+#define SO_SNDTIMEO     21
+#define SO_ACCEPTCONN   30
+#define SO_SNDBUFFORCE  32
+#define SO_RCVBUFFORCE  33
+#define SO_PROTOCOL     38
+#define SO_DOMAIN       39
diff --git a/arch/s390x/bits/stat.h b/arch/s390x/bits/stat.h
new file mode 100644
index 00000000..2db4ad02
--- /dev/null
+++ b/arch/s390x/bits/stat.h
@@ -0,0 +1,16 @@
+struct stat {
+	dev_t st_dev;
+	ino_t st_ino;
+	nlink_t st_nlink;
+	mode_t st_mode;
+	uid_t st_uid;
+	gid_t st_gid;
+	dev_t st_rdev;
+	off_t st_size;
+	struct timespec st_atim;
+	struct timespec st_mtim;
+	struct timespec st_ctim;
+	blksize_t st_blksize;
+	blkcnt_t st_blocks;
+	unsigned long __unused[3];
+};
diff --git a/arch/s390x/bits/statfs.h b/arch/s390x/bits/statfs.h
new file mode 100644
index 00000000..6617358a
--- /dev/null
+++ b/arch/s390x/bits/statfs.h
@@ -0,0 +1,7 @@
+struct statfs {
+	unsigned f_type, f_bsize;
+	fsblkcnt_t f_blocks, f_bfree, f_bavail;
+	fsfilcnt_t f_files, f_ffree;
+	fsid_t f_fsid;
+	unsigned f_namelen, f_frsize, f_flags, f_spare[4];
+};
diff --git a/arch/s390x/bits/stdint.h b/arch/s390x/bits/stdint.h
new file mode 100644
index 00000000..1bb147f2
--- /dev/null
+++ b/arch/s390x/bits/stdint.h
@@ -0,0 +1,20 @@
+typedef int32_t int_fast16_t;
+typedef int32_t int_fast32_t;
+typedef uint32_t uint_fast16_t;
+typedef uint32_t uint_fast32_t;
+
+#define INT_FAST16_MIN  INT32_MIN
+#define INT_FAST32_MIN  INT32_MIN
+
+#define INT_FAST16_MAX  INT32_MAX
+#define INT_FAST32_MAX  INT32_MAX
+
+#define UINT_FAST16_MAX UINT32_MAX
+#define UINT_FAST32_MAX UINT32_MAX
+
+#define INTPTR_MIN      INT64_MIN
+#define INTPTR_MAX      INT64_MAX
+#define UINTPTR_MAX     UINT64_MAX
+#define PTRDIFF_MIN     INT64_MIN
+#define PTRDIFF_MAX     INT64_MAX
+#define SIZE_MAX        UINT64_MAX
diff --git a/arch/s390x/bits/syscall.h.in b/arch/s390x/bits/syscall.h.in
new file mode 100644
index 00000000..1b8fdf0c
--- /dev/null
+++ b/arch/s390x/bits/syscall.h.in
@@ -0,0 +1,323 @@
+#define __NR_exit                         1
+#define __NR_fork                         2
+#define __NR_read                         3
+#define __NR_write                        4
+#define __NR_open                         5
+#define __NR_close                        6
+#define __NR_restart_syscall              7
+#define __NR_creat                        8
+#define __NR_link                         9
+#define __NR_unlink                      10
+#define __NR_execve                      11
+#define __NR_chdir                       12
+#define __NR_mknod                       14
+#define __NR_chmod                       15
+#define __NR_lseek                       19
+#define __NR_getpid                      20
+#define __NR_mount                       21
+#define __NR_umount                      22
+#define __NR_ptrace                      26
+#define __NR_alarm                       27
+#define __NR_pause                       29
+#define __NR_utime                       30
+#define __NR_access                      33
+#define __NR_nice                        34
+#define __NR_sync                        36
+#define __NR_kill                        37
+#define __NR_rename                      38
+#define __NR_mkdir                       39
+#define __NR_rmdir                       40
+#define __NR_dup                         41
+#define __NR_pipe                        42
+#define __NR_times                       43
+#define __NR_brk                         45
+#define __NR_signal                      48
+#define __NR_acct                        51
+#define __NR_umount2                     52
+#define __NR_ioctl                       54
+#define __NR_fcntl                       55
+#define __NR_setpgid                     57
+#define __NR_umask                       60
+#define __NR_chroot                      61
+#define __NR_ustat                       62
+#define __NR_dup2                        63
+#define __NR_getppid                     64
+#define __NR_getpgrp                     65
+#define __NR_setsid                      66
+#define __NR_sigaction                   67
+#define __NR_sigsuspend                  72
+#define __NR_sigpending                  73
+#define __NR_sethostname                 74
+#define __NR_setrlimit                   75
+#define __NR_getrusage                   77
+#define __NR_gettimeofday                78
+#define __NR_settimeofday                79
+#define __NR_symlink                     83
+#define __NR_readlink                    85
+#define __NR_uselib                      86
+#define __NR_swapon                      87
+#define __NR_reboot                      88
+#define __NR_readdir                     89
+#define __NR_mmap                        90
+#define __NR_munmap                      91
+#define __NR_truncate                    92
+#define __NR_ftruncate                   93
+#define __NR_fchmod                      94
+#define __NR_getpriority                 96
+#define __NR_setpriority                 97
+#define __NR_statfs                      99
+#define __NR_fstatfs                    100
+#define __NR_socketcall                 102
+#define __NR_syslog                     103
+#define __NR_setitimer                  104
+#define __NR_getitimer                  105
+#define __NR_stat                       106
+#define __NR_lstat                      107
+#define __NR_fstat                      108
+#define __NR_lookup_dcookie             110
+#define __NR_vhangup                    111
+#define __NR_idle                       112
+#define __NR_wait4                      114
+#define __NR_swapoff                    115
+#define __NR_sysinfo                    116
+#define __NR_ipc                        117
+#define __NR_fsync                      118
+#define __NR_sigreturn                  119
+#define __NR_clone                      120
+#define __NR_setdomainname              121
+#define __NR_uname                      122
+#define __NR_adjtimex                   124
+#define __NR_mprotect                   125
+#define __NR_sigprocmask                126
+#define __NR_create_module              127
+#define __NR_init_module                128
+#define __NR_delete_module              129
+#define __NR_get_kernel_syms            130
+#define __NR_quotactl                   131
+#define __NR_getpgid                    132
+#define __NR_fchdir                     133
+#define __NR_bdflush                    134
+#define __NR_sysfs                      135
+#define __NR_personality                136
+#define __NR_afs_syscall                137
+#define __NR_getdents                   141
+#define __NR_select                     142
+#define __NR_flock                      143
+#define __NR_msync                      144
+#define __NR_readv                      145
+#define __NR_writev                     146
+#define __NR_getsid                     147
+#define __NR_fdatasync                  148
+#define __NR__sysctl                    149
+#define __NR_mlock                      150
+#define __NR_munlock                    151
+#define __NR_mlockall                   152
+#define __NR_munlockall                 153
+#define __NR_sched_setparam             154
+#define __NR_sched_getparam             155
+#define __NR_sched_setscheduler         156
+#define __NR_sched_getscheduler         157
+#define __NR_sched_yield                158
+#define __NR_sched_get_priority_max     159
+#define __NR_sched_get_priority_min     160
+#define __NR_sched_rr_get_interval      161
+#define __NR_nanosleep                  162
+#define __NR_mremap                     163
+#define __NR_query_module               167
+#define __NR_poll                       168
+#define __NR_nfsservctl                 169
+#define __NR_prctl                      172
+#define __NR_rt_sigreturn               173
+#define __NR_rt_sigaction               174
+#define __NR_rt_sigprocmask             175
+#define __NR_rt_sigpending              176
+#define __NR_rt_sigtimedwait            177
+#define __NR_rt_sigqueueinfo            178
+#define __NR_rt_sigsuspend              179
+#define __NR_pread64                    180
+#define __NR_pwrite64                   181
+#define __NR_getcwd                     183
+#define __NR_capget                     184
+#define __NR_capset                     185
+#define __NR_sigaltstack                186
+#define __NR_sendfile                   187
+#define __NR_getpmsg                    188
+#define __NR_putpmsg                    189
+#define __NR_vfork                      190
+#define __NR_getrlimit                  191
+#define __NR_lchown                     198
+#define __NR_getuid                     199
+#define __NR_getgid                     200
+#define __NR_geteuid                    201
+#define __NR_getegid                    202
+#define __NR_setreuid                   203
+#define __NR_setregid                   204
+#define __NR_getgroups                  205
+#define __NR_setgroups                  206
+#define __NR_fchown                     207
+#define __NR_setresuid                  208
+#define __NR_getresuid                  209
+#define __NR_setresgid                  210
+#define __NR_getresgid                  211
+#define __NR_chown                      212
+#define __NR_setuid                     213
+#define __NR_setgid                     214
+#define __NR_setfsuid                   215
+#define __NR_setfsgid                   216
+#define __NR_pivot_root                 217
+#define __NR_mincore                    218
+#define __NR_madvise                    219
+#define __NR_getdents64                 220
+#define __NR_readahead                  222
+#define __NR_setxattr                   224
+#define __NR_lsetxattr                  225
+#define __NR_fsetxattr                  226
+#define __NR_getxattr                   227
+#define __NR_lgetxattr                  228
+#define __NR_fgetxattr                  229
+#define __NR_listxattr                  230
+#define __NR_llistxattr                 231
+#define __NR_flistxattr                 232
+#define __NR_removexattr                233
+#define __NR_lremovexattr               234
+#define __NR_fremovexattr               235
+#define __NR_gettid                     236
+#define __NR_tkill                      237
+#define __NR_futex                      238
+#define __NR_sched_setaffinity          239
+#define __NR_sched_getaffinity          240
+#define __NR_tgkill                     241
+#define __NR_io_setup                   243
+#define __NR_io_destroy                 244
+#define __NR_io_getevents               245
+#define __NR_io_submit                  246
+#define __NR_io_cancel                  247
+#define __NR_exit_group                 248
+#define __NR_epoll_create               249
+#define __NR_epoll_ctl                  250
+#define __NR_epoll_wait                 251
+#define __NR_set_tid_address            252
+#define __NR_fadvise64                  253
+#define __NR_timer_create               254
+#define __NR_timer_settime              255
+#define __NR_timer_gettime              256
+#define __NR_timer_getoverrun           257
+#define __NR_timer_delete               258
+#define __NR_clock_settime              259
+#define __NR_clock_gettime              260
+#define __NR_clock_getres               261
+#define __NR_clock_nanosleep            262
+#define __NR_statfs64                   265
+#define __NR_fstatfs64                  266
+#define __NR_remap_file_pages           267
+#define __NR_mbind                      268
+#define __NR_get_mempolicy              269
+#define __NR_set_mempolicy              270
+#define __NR_mq_open                    271
+#define __NR_mq_unlink                  272
+#define __NR_mq_timedsend               273
+#define __NR_mq_timedreceive            274
+#define __NR_mq_notify                  275
+#define __NR_mq_getsetattr              276
+#define __NR_kexec_load                 277
+#define __NR_add_key                    278
+#define __NR_request_key                279
+#define __NR_keyctl                     280
+#define __NR_waitid                     281
+#define __NR_ioprio_set                 282
+#define __NR_ioprio_get                 283
+#define __NR_inotify_init               284
+#define __NR_inotify_add_watch          285
+#define __NR_inotify_rm_watch           286
+#define __NR_migrate_pages              287
+#define __NR_openat                     288
+#define __NR_mkdirat                    289
+#define __NR_mknodat                    290
+#define __NR_fchownat                   291
+#define __NR_futimesat                  292
+#define __NR_newfstatat                 293
+#define __NR_unlinkat                   294
+#define __NR_renameat                   295
+#define __NR_linkat                     296
+#define __NR_symlinkat                  297
+#define __NR_readlinkat                 298
+#define __NR_fchmodat                   299
+#define __NR_faccessat                  300
+#define __NR_pselect6                   301
+#define __NR_ppoll                      302
+#define __NR_unshare                    303
+#define __NR_set_robust_list            304
+#define __NR_get_robust_list            305
+#define __NR_splice                     306
+#define __NR_sync_file_range            307
+#define __NR_tee                        308
+#define __NR_vmsplice                   309
+#define __NR_move_pages                 310
+#define __NR_getcpu                     311
+#define __NR_epoll_pwait                312
+#define __NR_utimes                     313
+#define __NR_fallocate                  314
+#define __NR_utimensat                  315
+#define __NR_signalfd                   316
+#define __NR_timerfd                    317
+#define __NR_eventfd                    318
+#define __NR_timerfd_create             319
+#define __NR_timerfd_settime            320
+#define __NR_timerfd_gettime            321
+#define __NR_signalfd4                  322
+#define __NR_eventfd2                   323
+#define __NR_inotify_init1              324
+#define __NR_pipe2                      325
+#define __NR_dup3                       326
+#define __NR_epoll_create1              327
+#define __NR_preadv                     328
+#define __NR_pwritev                    329
+#define __NR_rt_tgsigqueueinfo          330
+#define __NR_perf_event_open            331
+#define __NR_fanotify_init              332
+#define __NR_fanotify_mark              333
+#define __NR_prlimit64                  334
+#define __NR_name_to_handle_at          335
+#define __NR_open_by_handle_at          336
+#define __NR_clock_adjtime              337
+#define __NR_syncfs                     338
+#define __NR_setns                      339
+#define __NR_process_vm_readv           340
+#define __NR_process_vm_writev          341
+#define __NR_s390_runtime_instr         342
+#define __NR_kcmp                       343
+#define __NR_finit_module               344
+#define __NR_sched_setattr              345
+#define __NR_sched_getattr              346
+#define __NR_renameat2                  347
+#define __NR_seccomp                    348
+#define __NR_getrandom                  349
+#define __NR_memfd_create               350
+#define __NR_bpf                        351
+#define __NR_s390_pci_mmio_write        352
+#define __NR_s390_pci_mmio_read         353
+#define __NR_execveat                   354
+#define __NR_userfaultfd                355
+#define __NR_membarrier                 356
+#define __NR_recvmmsg                   357
+#define __NR_sendmmsg                   358
+#define __NR_socket                     359
+#define __NR_socketpair                 360
+#define __NR_bind                       361
+#define __NR_connect                    362
+#define __NR_listen                     363
+#define __NR_accept4                    364
+#define __NR_getsockopt                 365
+#define __NR_setsockopt                 366
+#define __NR_getsockname                367
+#define __NR_getpeername                368
+#define __NR_sendto                     369
+#define __NR_sendmsg                    370
+#define __NR_recvfrom                   371
+#define __NR_recvmsg                    372
+#define __NR_shutdown                   373
+#define __NR_mlock2                     374
+#define __NR_copy_file_range            375
+#define __NR_preadv2                    376
+#define __NR_pwritev2                   377
+
diff --git a/arch/s390x/bits/user.h b/arch/s390x/bits/user.h
new file mode 100644
index 00000000..d2065b5e
--- /dev/null
+++ b/arch/s390x/bits/user.h
@@ -0,0 +1,62 @@
+#undef __WORDSIZE
+#define __WORDSIZE 64
+
+typedef union {
+	double d;
+	float f;
+} elf_fpreg_t;
+
+typedef struct {
+	unsigned fpc;
+	fpreg_t fprs[16];
+} elf_fpregset_t;
+
+#define ELF_NGREG 27
+typedef unsigned long elf_greg_t, elf_gregset_t[ELG_NGREG];
+
+struct _user_psw_struct {
+	unsigned long mask, addr;
+};
+
+struct _user_fpregs_struct {
+	unsigned fpc;
+	double fprs[16];
+};
+
+struct _user_regs_struct {
+	struct _user_psw_struct psw;
+	unsigned long gprs[16];
+	unsigned acrs[16];
+	unsigned long orig_gpr2;
+	struct _user_fpregs_struct fp_regs;
+	struct _user_per_struct per_info;
+	unsigned long ieee_instruction_pointer;
+};
+
+struct _user_per_struct {
+	unsigned long control_regs[3];
+	unsigned single_step       : 1;
+	unsigned instruction_fetch : 1;
+	unsigned                   : 30;
+	unsigned long starting_addr, ending_addr;
+	unsigned short perc_atmid;
+	unsigned long address;
+	unsigned char access_id;
+} per_struct;
+
+struct user {
+	struct _user_regs_struct regs;
+	unsigned long u_tsize, u_dsize, u_ssize;
+	unsigned long start_code, start_stack;
+	long signal;
+	struct _user_regs_struct *u_ar0;
+	unsigned long magic;
+	char u_comm[32];
+};
+
+#define PAGE_MASK            (~(PAGE_SIZE-1))
+#define NBPG                 PAGE_SIZE
+#define UPAGES               1
+#define HOST_TEXT_START_ADDR (u.start_code)
+#define HOST_STACK_END_ADDR  (u.start_stack + u.u_ssize * NBPG)
+
diff --git a/arch/s390x/crt_arch.h b/arch/s390x/crt_arch.h
new file mode 100644
index 00000000..92091a10
--- /dev/null
+++ b/arch/s390x/crt_arch.h
@@ -0,0 +1,17 @@
+__asm__(
+".text\n"
+".global " START "\n"
+".type   " START ", %function\n"
+START ":\n"
+"	lgr  %r2, %r15\n"
+"	larl %r3, 1f\n"
+"	agf  %r3, 0(%r3)\n"
+"	aghi %r15, -160\n"
+"	lghi %r0, 0\n"
+"	stg  %r0, 0(%r15)\n"
+"	jg " START "_c\n"
+"	.align 8\n"
+".weak   _DYNAMIC\n"
+".hidden _DYNAMIC\n"
+"1:	.long _DYNAMIC-.\n"
+);
diff --git a/arch/s390x/pthread_arch.h b/arch/s390x/pthread_arch.h
new file mode 100644
index 00000000..bd90016d
--- /dev/null
+++ b/arch/s390x/pthread_arch.h
@@ -0,0 +1,14 @@
+static inline struct pthread *__pthread_self()
+{
+	struct pthread *self;
+	__asm__ __volatile__ (
+		"ear  %0, %%a0\n"
+		"sllg %0, %0, 32\n"
+		"ear  %0, %%a1\n"
+		: "=r"(self));
+	return self;
+}
+
+#define TP_ADJ(p) (p)
+
+#define MC_PC psw.addr
diff --git a/arch/s390x/reloc.h b/arch/s390x/reloc.h
new file mode 100644
index 00000000..a238dc65
--- /dev/null
+++ b/arch/s390x/reloc.h
@@ -0,0 +1,15 @@
+#include <endian.h>
+
+#define LDSO_ARCH "s390x"
+
+#define REL_SYMBOLIC    R_390_64
+#define REL_GOT         R_390_GLOB_DAT
+#define REL_PLT         R_390_JMP_SLOT
+#define REL_RELATIVE    R_390_RELATIVE
+#define REL_COPY        R_390_COPY
+#define REL_DTPMOD      R_390_TLS_DTPMOD
+#define REL_DTPOFF      R_390_TLS_DTPOFF
+#define REL_TPOFF       R_390_TLS_TPOFF
+
+#define CRTJMP(pc,sp) __asm__ __volatile__( \
+	"lgr %%r15,%1; br %0" : : "r"(pc), "r"(sp) : "memory" )
diff --git a/arch/s390x/syscall_arch.h b/arch/s390x/syscall_arch.h
new file mode 100644
index 00000000..afb99852
--- /dev/null
+++ b/arch/s390x/syscall_arch.h
@@ -0,0 +1,76 @@
+#define __SYSCALL_LL_E(x) (x)
+#define __SYSCALL_LL_O(x) (x)
+
+#define __asm_syscall(ret, ...) do { \
+	__asm__ __volatile__ ("svc 0\n" \
+	: ret : __VA_ARGS__ : "memory"); \
+	return r2; \
+	} while (0)
+
+static inline long __syscall0(long n)
+{
+	register long r1 __asm__("r1") = n;
+	register long r2 __asm__("r2");
+	__asm_syscall("=r"(r2), "r"(r1));
+}
+
+static inline long __syscall1(long n, long a)
+{
+	register long r1 __asm__("r1") = n;
+	register long r2 __asm__("r2") = a;
+	__asm_syscall("+r"(r2), "r"(r1));
+}
+
+static inline long __syscall2(long n, long a, long b)
+{
+	register long r1 __asm__("r1") = n;
+	register long r2 __asm__("r2") = a;
+	register long r3 __asm__("r3") = b;
+	__asm_syscall("+r"(r2), "r"(r1), "r"(r3));
+}
+
+static inline long __syscall3(long n, long a, long b, long c)
+{
+	register long r1 __asm__("r1") = n;
+	register long r2 __asm__("r2") = a;
+	register long r3 __asm__("r3") = b;
+	register long r4 __asm__("r4") = c;
+	__asm_syscall("+r"(r2), "r"(r1), "r"(r3), "r"(r4));
+}
+
+static inline long __syscall4(long n, long a, long b, long c, long d)
+{
+	register long r1 __asm__("r1") = n;
+	register long r2 __asm__("r2") = a;
+	register long r3 __asm__("r3") = b;
+	register long r4 __asm__("r4") = c;
+	register long r5 __asm__("r5") = d;
+	__asm_syscall("+r"(r2), "r"(r1), "r"(r3), "r"(r4), "r"(r5));
+}
+
+static inline long __syscall5(long n, long a, long b, long c, long d, long e)
+{
+	register long r1 __asm__("r1") = n;
+	register long r2 __asm__("r2") = a;
+	register long r3 __asm__("r3") = b;
+	register long r4 __asm__("r4") = c;
+	register long r5 __asm__("r5") = d;
+	register long r6 __asm__("r6") = e;
+	__asm_syscall("+r"(r2), "r"(r1), "r"(r3), "r"(r4), "r"(r5), "r"(r6));
+}
+
+static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
+{
+	if (n == SYS_mmap) return __syscall1(n, (long)(long[]){a,b,c,d,e,f});
+
+	register long r1 __asm__("r1") = n;
+	register long r2 __asm__("r2") = a;
+	register long r3 __asm__("r3") = b;
+	register long r4 __asm__("r4") = c;
+	register long r5 __asm__("r5") = d;
+	register long r6 __asm__("r6") = e;
+	register long r7 __asm__("r7") = f;
+	__asm_syscall("+r"(r2), "r"(r1), "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7));
+}
+
+#define SYSCALL_USE_SOCKETCALL