superh port

2024-12-15 03:05:15 +00:00 · 2013-10-05 05:13:18 -05:00 · 2013-10-05 05:13:18 -05:00 · 3a3c813e08
commit 3a3c813e08
parent d05aaedaab
46 changed files with 2350 additions and 0 deletions
--- a/arch/superh/atomic.h
+++ b/arch/superh/atomic.h
@ -0,0 +1,87 @@
+#ifndef _INTERNAL_ATOMIC_H
+#define _INTERNAL_ATOMIC_H
+
+#include <stdint.h>
+
+static inline int a_ctz_l(unsigned long x)
+{
+	static const char debruijn32[32] = {
+		0, 1, 23, 2, 29, 24, 19, 3, 30, 27, 25, 11, 20, 8, 4, 13,
+		31, 22, 28, 18, 26, 10, 7, 12, 21, 17, 9, 6, 16, 5, 15, 14
+	};
+	return debruijn32[(x&-x)*0x076be629 >> 27];
+}
+
+static inline int a_ctz_64(uint64_t x)
+{
+	uint32_t y = x;
+	if (!y) {
+		y = x>>32;
+		return 32 + a_ctz_l(y);
+	}
+	return a_ctz_l(y);
+}
+
+int  __sh_cas(volatile int *, int, int);
+int  __sh_swap(volatile int *, int);
+int  __sh_fetch_add(volatile int *, int);
+void __sh_store(volatile int *, int);
+void __sh_and(volatile int *, int);
+void __sh_or(volatile int *, int);
+
+#define a_cas(p,t,s)     __sh_cas(p,t,s)
+#define a_swap(x,v)      __sh_swap(x,v)
+#define a_fetch_add(x,v) __sh_fetch_add(x, v)
+#define a_store(x,v)     __sh_store(x, v)
+#define a_and(x,v)       __sh_and(x, v)
+#define a_or(x,v)        __sh_or(x, v)
+
+static inline void *a_cas_p(volatile void *p, void *t, void *s)
+{
+	return (void *)a_cas(p, (int)t, (int)s);
+}
+
+static inline long a_cas_l(volatile void *p, long t, long s)
+{
+	return a_cas(p, t, s);
+}
+
+static inline void a_inc(volatile int *x)
+{
+	a_fetch_add(x, 1);
+}
+
+static inline void a_dec(volatile int *x)
+{
+	a_fetch_add(x, -1);
+}
+
+static inline void a_spin()
+{
+}
+
+static inline void a_crash()
+{
+	*(volatile char *)0=0;
+}
+
+static inline void a_or_l(volatile void *p, long v)
+{
+	a_or(p, v);
+}
+
+static inline void a_and_64(volatile uint64_t *p, uint64_t v)
+{
+	union { uint64_t v; uint32_t r[2]; } u = { v };
+	a_and((int *)p,   u.r[0]);
+	a_and((int *)p+1, u.r[1]);
+}
+
+static inline void a_or_64(volatile uint64_t *p, uint64_t v)
+{
+	union { uint64_t v; uint32_t r[2]; } u = { v };
+	a_or((int *)p,   u.r[0]);
+	a_or((int *)p+1, u.r[1]);
+}
+
+#endif
--- a/arch/superh/bits/alltypes.h.in
+++ b/arch/superh/bits/alltypes.h.in
@ -0,0 +1,23 @@
+#define _Addr int
+#define _Int64 long long
+#define _Reg int
+
+TYPEDEF __builtin_va_list va_list;
+TYPEDEF __builtin_va_list __isoc_va_list;
+
+#ifndef __cplusplus
+TYPEDEF long wchar_t;
+#endif
+TYPEDEF unsigned wint_t;
+
+TYPEDEF float float_t;
+TYPEDEF double double_t;
+
+TYPEDEF long time_t;
+TYPEDEF long suseconds_t;
+
+TYPEDEF struct { union { int __i[9]; unsigned __s[9]; } __u; } pthread_attr_t;
+TYPEDEF struct { union { int __i[6]; void *__p[6]; } __u; } pthread_mutex_t;
+TYPEDEF struct { union { int __i[12]; void *__p[12]; } __u; } pthread_cond_t;
+TYPEDEF struct { union { int __i[8]; void *__p[8]; } __u; } pthread_rwlock_t;
+TYPEDEF struct { union { int __i[5]; void *__p[5]; } __u; } pthread_barrier_t;
--- a/arch/superh/bits/endian.h
+++ b/arch/superh/bits/endian.h
@ -0,0 +1,5 @@
+#if __LITTLE_ENDIAN__
+#define __BYTE_ORDER __LITTLE_ENDIAN
+#else
+#define __BYTE_ORDER __BIG_ENDIAN
+#endif
--- a/arch/superh/bits/errno.h
+++ b/arch/superh/bits/errno.h
@ -0,0 +1,134 @@
+#define EPERM            1
+#define ENOENT           2
+#define ESRCH            3
+#define EINTR            4
+#define EIO              5
+#define ENXIO            6
+#define E2BIG            7
+#define ENOEXEC          8
+#define EBADF            9
+#define ECHILD          10
+#define EAGAIN          11
+#define ENOMEM          12
+#define EACCES          13
+#define EFAULT          14
+#define ENOTBLK         15
+#define EBUSY           16
+#define EEXIST          17
+#define EXDEV           18
+#define ENODEV          19
+#define ENOTDIR         20
+#define EISDIR          21
+#define EINVAL          22
+#define ENFILE          23
+#define EMFILE          24
+#define ENOTTY          25
+#define ETXTBSY         26
+#define EFBIG           27
+#define ENOSPC          28
+#define ESPIPE          29
+#define EROFS           30
+#define EMLINK          31
+#define EPIPE           32
+#define EDOM            33
+#define ERANGE          34
+#define EDEADLK         35
+#define ENAMETOOLONG    36
+#define ENOLCK          37
+#define ENOSYS          38
+#define ENOTEMPTY       39
+#define ELOOP           40
+#define EWOULDBLOCK     EAGAIN
+#define ENOMSG          42
+#define EIDRM           43
+#define ECHRNG          44
+#define EL2NSYNC        45
+#define EL3HLT          46
+#define EL3RST          47
+#define ELNRNG          48
+#define EUNATCH         49
+#define ENOCSI          50
+#define EL2HLT          51
+#define EBADE           52
+#define EBADR           53
+#define EXFULL          54
+#define ENOANO          55
+#define EBADRQC         56
+#define EBADSLT         57
+#define EDEADLOCK       EDEADLK
+#define EBFONT          59
+#define ENOSTR          60
+#define ENODATA         61
+#define ETIME           62
+#define ENOSR           63
+#define ENONET          64
+#define ENOPKG          65
+#define EREMOTE         66
+#define ENOLINK         67
+#define EADV            68
+#define ESRMNT          69
+#define ECOMM           70
+#define EPROTO          71
+#define EMULTIHOP       72
+#define EDOTDOT         73
+#define EBADMSG         74
+#define EOVERFLOW       75
+#define ENOTUNIQ        76
+#define EBADFD          77
+#define EREMCHG         78
+#define ELIBACC         79
+#define ELIBBAD         80
+#define ELIBSCN         81
+#define ELIBMAX         82
+#define ELIBEXEC        83
+#define EILSEQ          84
+#define ERESTART        85
+#define ESTRPIPE        86
+#define EUSERS          87
+#define ENOTSOCK        88
+#define EDESTADDRREQ    89
+#define EMSGSIZE        90
+#define EPROTOTYPE      91
+#define ENOPROTOOPT     92
+#define EPROTONOSUPPORT 93
+#define ESOCKTNOSUPPORT 94
+#define EOPNOTSUPP      95
+#define ENOTSUP         EOPNOTSUPP
+#define EPFNOSUPPORT    96
+#define EAFNOSUPPORT    97
+#define EADDRINUSE      98
+#define EADDRNOTAVAIL   99
+#define ENETDOWN        100
+#define ENETUNREACH     101
+#define ENETRESET       102
+#define ECONNABORTED    103
+#define ECONNRESET      104
+#define ENOBUFS         105
+#define EISCONN         106
+#define ENOTCONN        107
+#define ESHUTDOWN       108
+#define ETOOMANYREFS    109
+#define ETIMEDOUT       110
+#define ECONNREFUSED    111
+#define EHOSTDOWN       112
+#define EHOSTUNREACH    113
+#define EALREADY        114
+#define EINPROGRESS     115
+#define ESTALE          116
+#define EUCLEAN         117
+#define ENOTNAM         118
+#define ENAVAIL         119
+#define EISNAM          120
+#define EREMOTEIO       121
+#define EDQUOT          122
+#define ENOMEDIUM       123
+#define EMEDIUMTYPE     124
+#define ECANCELED       125
+#define ENOKEY          126
+#define EKEYEXPIRED     127
+#define EKEYREVOKED     128
+#define EKEYREJECTED    129
+#define EOWNERDEAD      130
+#define ENOTRECOVERABLE 131
+#define ERFKILL         132
+#define EHWPOISON       133
--- a/arch/superh/bits/fcntl.h
+++ b/arch/superh/bits/fcntl.h
@ -0,0 +1,39 @@
+#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_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_SETOWN 8
+#define F_GETOWN 9
+#define F_SETSIG 10
+#define F_GETSIG 11
+
+#define F_GETLK 12
+#define F_SETLK 13
+#define F_SETLKW 14
+
+#define F_SETOWN_EX 15
+#define F_GETOWN_EX 16
+
+#define F_GETOWNER_UIDS 17
--- a/arch/superh/bits/fenv.h
+++ b/arch/superh/bits/fenv.h
@ -0,0 +1,17 @@
+#define FE_TONEAREST  0
+#define FE_TOWARDZERO 1
+
+#define FE_INEXACT    0x04
+#define FE_UNDERFLOW  0x08
+#define FE_OVERFLOW   0x10
+#define FE_DIVBYZERO  0x20
+#define FE_INVALID    0x40
+#define FE_ALL_EXCEPT 0x7c
+
+typedef unsigned long fexcept_t;
+
+typedef struct {
+	unsigned long __cw;
+} fenv_t;
+
+#define FE_DFL_ENV    ((const fenv_t *) -1)
--- a/arch/superh/bits/float.h
+++ b/arch/superh/bits/float.h
@ -0,0 +1,17 @@
+#define FLT_ROUNDS 1
+#define FLT_EVAL_METHOD 0
+
+#define LDBL_TRUE_MIN 4.94065645841246544177e-324L
+#define LDBL_MIN 2.22507385850720138309e-308L
+#define LDBL_MAX 1.79769313486231570815e+308L
+#define LDBL_EPSILON 2.22044604925031308085e-16L
+
+#define LDBL_MANT_DIG 53
+#define LDBL_MIN_EXP (-1021)
+#define LDBL_MAX_EXP 1024
+
+#define LDBL_DIG 15
+#define LDBL_MIN_10_EXP (-307)
+#define LDBL_MAX_10_EXP 308
+
+#define DECIMAL_DIG 17
--- a/arch/superh/bits/io.h
+++ b/arch/superh/bits/io.h
--- a/arch/superh/bits/ioctl.h
+++ b/arch/superh/bits/ioctl.h
@ -0,0 +1,205 @@
+#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 FIOCLEX             _IO('f',  1)
+#define FIONCLEX            _IO('f',  2)
+#define FIOASYNC            _IOW('f', 125, int)
+#define FIONBIO             _IOW('f', 126, int)
+#define FIONREAD            _IOR('f', 127, int)
+#define TIOCINQ             FIONREAD
+#define FIOQSIZE            _IOR('f', 128, char[8])
+
+#define TCGETA              _IOR('t', 23, char[18])
+#define TCSETA              _IOW('t', 24, char[18])
+#define TCSETAW             _IOW('t', 25, char[18])
+#define TCSETAF             _IOW('t', 28, char[18])
+
+#define TCSBRK              _IO('t', 29)
+#define TCXONC              _IO('t', 30)
+#define TCFLSH              _IO('t', 31)
+
+#define TIOCSWINSZ          _IOW('t', 103, char[8])
+#define TIOCGWINSZ          _IOR('t', 104, char[8])
+#define TIOCSTART           _IO('t',  110)
+#define TIOCSTOP            _IO('t',  111)
+#define TIOCOUTQ            _IOR('t', 115, int)
+
+#define TIOCSPGRP           _IOW('t', 118, int)
+#define TIOCGPGRP           _IOR('t', 119, int)
+
+#define TIOCEXCL            _IO('T', 12)
+#define TIOCNXCL            _IO('T', 13)
+#define TIOCSCTTY           _IO('T', 14)
+
+#define TIOCSTI             _IOW('T', 18, char)
+#define TIOCMGET            _IOR('T', 21, unsigned int)
+#define TIOCMBIS            _IOW('T', 22, unsigned int)
+#define TIOCMBIC            _IOW('T', 23, unsigned int)
+#define TIOCMSET            _IOW('T', 24, unsigned int)
+#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 TIOCGSOFTCAR        _IOR('T', 25, unsigned int)
+#define TIOCSSOFTCAR        _IOW('T', 26, unsigned int)
+#define TIOCLINUX           _IOW('T', 28, char)
+#define TIOCCONS            _IO('T',  29)
+#define TIOCGSERIAL         _IOR('T', 30, char[60])
+#define TIOCSSERIAL         _IOW('T', 31, char[60])
+#define TIOCPKT             _IOW('T', 32, int)
+#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 TIOCNOTTY           _IO('T',  34)
+#define TIOCSETD            _IOW('T', 35, int)
+#define TIOCGETD            _IOR('T', 36, int)
+#define TCSBRKP             _IOW('T', 37, int)
+#define TIOCSBRK            _IO('T',  39)
+#define TIOCCBRK            _IO('T',  40)
+#define TIOCGSID            _IOR('T', 41, int)
+#define TCGETS              _IOR('T', 42, char[44])
+#define TCSETS              _IOW('T', 43, char[44])
+#define TCSETSW             _IOW('T', 44, char[44])
+#define TCSETSF             _IOW('T', 45, char[44])
+#define TIOCGPTN            _IOR('T', 48, unsigned int)
+#define TIOCSPTLCK          _IOW('T', 49, int)
+#define TIOCGDEV            _IOR('T', 50, unsigned int)
+#define TIOCSIG             _IOW('T', 54, int)
+#define TIOCVHANGUP         _IO('T',  55)
+#define TIOCGPKT            _IOR('T', 56, int)
+#define TIOCGPTLCK          _IOR('T', 57, int)
+#define TIOCGEXCL           _IOR('T', 64, int)
+
+#define TIOCSERCONFIG       _IO('T',  83)
+#define TIOCSERGWILD        _IOR('T', 84, int)
+#define TIOCSERSWILD        _IOW('T', 85, int)
+#define TIOCGLCKTRMIOS      _IO('T',  86)
+#define TIOCSLCKTRMIOS      _IO('T',  87)
+#define TIOCSERGSTRUCT      _IOR('T', 88, char[216])
+#define TIOCSERGETLSR       _IOR('T', 89, unsigned int)
+#define TIOCSER_TEMT        0x01
+#define TIOCSERGETMULTI     _IOR('T', 90, char[168])
+#define TIOCSERSETMULTI     _IOW('T', 91, char[168])
+
+#define TIOCMIWAIT          _IO('T', 92)
+#define TIOCGICOUNT         _IO('T', 93)
+
+struct winsize {
+    unsigned short ws_row;
+    unsigned short ws_col;
+    unsigned short ws_xpixel;
+    unsigned short ws_ypixel;
+};
+
+#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 FIOGETOWN       _IOR('f', 123, int)
+#define FIOSETOWN       _IOW('f', 124, int)
+
+#define SIOCATMARK      _IOR('s', 7, int)
+#define SIOCSPGRP       _IOW('s', 8, int)
+#define SIOCGPGRP       _IOW('s', 9, int)
+#define SIOCGSTAMP      _IOR('s', 100, char[8])
+
+#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
--- a/arch/superh/bits/ipc.h
+++ b/arch/superh/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;
+	int __ipc_perm_seq;
+	long __pad1;
+	long __pad2;
+};
+
+#define IPC_64 0x100
--- a/arch/superh/bits/limits.h
+++ b/arch/superh/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 32
+#endif
+
+#define LONG_MAX  0x7fffffffL
+#define LLONG_MAX  0x7fffffffffffffffLL
--- a/arch/superh/bits/mman.h
+++ b/arch/superh/bits/mman.h
@ -0,0 +1,62 @@
+#define MAP_FAILED ((void *) -1)
+
+#define	PROT_NONE      0
+#define	PROT_READ      1
+#define	PROT_WRITE     2
+#define	PROT_EXEC      4
+#define	PROT_GROWSDOWN 0x01000000
+#define	PROT_GROWSUP   0x02000000
+
+#define	MAP_SHARED     0x01
+#define	MAP_PRIVATE    0x02
+#define	MAP_FIXED      0x10
+
+#define MAP_TYPE       0x0f
+#define MAP_FILE       0x00
+#define MAP_ANON       0x20
+#define MAP_ANONYMOUS  MAP_ANON
+#define MAP_32BIT      0x40
+#define MAP_NORESERVE  0x4000
+#define MAP_GROWSDOWN  0x0100
+#define MAP_DENYWRITE  0x0800
+#define MAP_EXECUTABLE 0x1000
+#define MAP_LOCKED     0x2000
+#define MAP_POPULATE   0x8000
+#define MAP_NONBLOCK   0x10000
+#define MAP_STACK      0x20000
+#define MAP_HUGETLB    0x40000
+
+#define POSIX_MADV_NORMAL       0
+#define POSIX_MADV_RANDOM       1
+#define POSIX_MADV_SEQUENTIAL   2
+#define POSIX_MADV_WILLNEED     3
+#define POSIX_MADV_DONTNEED     4
+
+#define MS_ASYNC        1
+#define MS_INVALIDATE   2
+#define MS_SYNC         4
+
+#define MCL_CURRENT     1
+#define MCL_FUTURE      2
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define MADV_NORMAL      0
+#define MADV_RANDOM      1
+#define MADV_SEQUENTIAL  2
+#define MADV_WILLNEED    3
+#define MADV_DONTNEED    4
+#define MADV_REMOVE      9
+#define MADV_DONTFORK    10
+#define MADV_DOFORK      11
+#define MADV_MERGEABLE   12
+#define MADV_UNMERGEABLE 13
+#define MADV_HUGEPAGE    14
+#define MADV_NOHUGEPAGE  15
+#define MADV_DONTDUMP    16
+#define MADV_DODUMP      17
+#define MADV_HWPOISON    100
+#define MADV_SOFT_OFFLINE 101
+
+#define MREMAP_MAYMOVE  1
+#define MREMAP_FIXED    2
+#endif
--- a/arch/superh/bits/msg.h
+++ b/arch/superh/bits/msg.h
@ -0,0 +1,16 @@
+struct msqid_ds
+{
+	struct ipc_perm msg_perm;
+	time_t msg_stime;
+	int __unused1;
+	time_t msg_rtime;
+	int __unused2;
+	time_t msg_ctime;
+	int __unused3;
+	unsigned long msg_cbytes;
+	msgqnum_t msg_qnum;
+	msglen_t msg_qbytes;
+	pid_t msg_lspid;
+	pid_t msg_lrpid;
+	unsigned long __unused[2];
+};
--- a/arch/superh/bits/posix.h
+++ b/arch/superh/bits/posix.h
@ -0,0 +1,2 @@
+#define _POSIX_V6_ILP32_OFFBIG  1
+#define _POSIX_V7_ILP32_OFFBIG  1
--- a/arch/superh/bits/setjmp.h
+++ b/arch/superh/bits/setjmp.h
@ -0,0 +1 @@
+typedef unsigned long __jmp_buf[13];
--- a/arch/superh/bits/shm.h
+++ b/arch/superh/bits/shm.h
@ -0,0 +1,28 @@
+#define SHMLBA 16384
+
+struct shmid_ds
+{
+	struct ipc_perm shm_perm;
+	size_t shm_segsz;
+	time_t shm_atime;
+	int __unused1;
+	time_t shm_dtime;
+	int __unused2;
+	time_t shm_ctime;
+	int __unused3;
+	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;
+};
--- a/arch/superh/bits/signal.h
+++ b/arch/superh/bits/signal.h
@ -0,0 +1,76 @@
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+typedef int greg_t, gregset_t[16];
+typedef int freg_t, fpregset_t[16];
+typedef struct sigcontext {
+	unsigned long oldmask;
+	unsigned long sc_regs[16];
+	unsigned long sc_pc, sc_pr, sc_sr;
+	unsigned long sc_gbr, sc_mach, sc_macl;
+	unsigned long sc_fpregs[16];
+	unsigned long sc_xfpregs[16];
+	unsigned int sc_fpscr, sc_fpul, sc_ownedfp;
+} mcontext_t;
+#else
+typedef struct {
+	unsigned long __regs[58];
+} mcontext_t;
+#endif
+
+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  1
+#define SA_NOCLDWAIT  2
+#define SA_SIGINFO    4
+#define SA_ONSTACK    0x08000000
+#define SA_RESTART    0x10000000
+#define SA_NODEFER    0x40000000
+#define SA_RESETHAND  0x80000000
+#define SA_RESTORER   0x04000000
+
+#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   29
+#define SIGPWR    30
+#define SIGSYS    31
+#define SIGUNUSED SIGSYS
+
+#define _NSIG 65
--- a/arch/superh/bits/socket.h
+++ b/arch/superh/bits/socket.h
@ -0,0 +1,17 @@
+struct msghdr
+{
+	void *msg_name;
+	socklen_t msg_namelen;
+	struct iovec *msg_iov;
+	int msg_iovlen;
+	void *msg_control;
+	socklen_t msg_controllen;
+	int msg_flags;
+};
+
+struct cmsghdr
+{
+	socklen_t cmsg_len;
+	int cmsg_level;
+	int cmsg_type;
+};
--- a/arch/superh/bits/stat.h
+++ b/arch/superh/bits/stat.h
@ -0,0 +1,22 @@
+/* copied from kernel definition, but with padding replaced
+ * by the corresponding correctly-sized userspace types. */
+
+struct stat
+{
+	dev_t st_dev;
+	int __st_dev_padding;
+	long __st_ino_truncated;
+	mode_t st_mode;
+	nlink_t st_nlink;
+	uid_t st_uid;
+	gid_t st_gid;
+	dev_t st_rdev;
+	int __st_rdev_padding;
+	off_t st_size;
+	blksize_t st_blksize;
+	blkcnt_t st_blocks;
+	struct timespec st_atim;
+	struct timespec st_mtim;
+	struct timespec st_ctim;
+	ino_t st_ino;
+};
--- a/arch/superh/bits/statfs.h
+++ b/arch/superh/bits/statfs.h
@ -0,0 +1,7 @@
+struct statfs {
+	unsigned long f_type, f_bsize;
+	fsblkcnt_t f_blocks, f_bfree, f_bavail;
+	fsfilcnt_t f_files, f_ffree;
+	fsid_t f_fsid;
+	unsigned long f_namelen, f_frsize, f_flags, f_spare[4];
+};
--- a/arch/superh/bits/stdarg.h
+++ b/arch/superh/bits/stdarg.h
@ -0,0 +1,4 @@
+#define va_start(v,l)   __builtin_va_start(v,l)
+#define va_end(v)       __builtin_va_end(v)
+#define va_arg(v,l)     __builtin_va_arg(v,l)
+#define va_copy(d,s)    __builtin_va_copy(d,s)
--- a/arch/superh/bits/stdint.h
+++ b/arch/superh/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      INT32_MIN
+#define INTPTR_MAX      INT32_MAX
+#define UINTPTR_MAX     UINT32_MAX
+#define PTRDIFF_MIN     INT32_MIN
+#define PTRDIFF_MAX     INT32_MAX
+#define SIZE_MAX        UINT32_MAX
--- a/arch/superh/bits/syscall.h
+++ b/arch/superh/bits/syscall.h
@ -0,0 +1,684 @@
+#define __NR_restart_syscall        0
+#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_waitpid                7
+#define __NR_creat                  8
+#define __NR_link                   9
+#define __NR_unlink                 10
+#define __NR_execve                 11
+#define __NR_chdir                  12
+#define __NR_time                   13
+#define __NR_mknod                  14
+#define __NR_chmod                  15
+#define __NR_lchown                 16
+#define __NR_oldstat                18
+#define __NR_lseek                  19
+#define __NR_getpid                 20
+#define __NR_mount                  21
+#define __NR_umount                 22
+#define __NR_setuid                 23
+#define __NR_getuid                 24
+#define __NR_stime                  25
+#define __NR_ptrace                 26
+#define __NR_alarm                  27
+#define __NR_oldfstat               28
+#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_setgid                 46
+#define __NR_getgid                 47
+#define __NR_signal                 48
+#define __NR_geteuid                49
+#define __NR_getegid                50
+#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_sgetmask               68
+#define __NR_ssetmask               69
+#define __NR_setreuid               70
+#define __NR_setregid               71
+#define __NR_sigsuspend             72
+#define __NR_sigpending             73
+#define __NR_sethostname            74
+#define __NR_setrlimit              75
+#define __NR_getrlimit              76
+#define __NR_getrusage              77
+#define __NR_gettimeofday           78
+#define __NR_settimeofday           79
+#define __NR_getgroups              80
+#define __NR_setgroups              81
+#define __NR_symlink                83
+#define __NR_oldlstat               84
+#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_fchown                 95
+#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_olduname               109
+#define __NR_vhangup                111
+#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_cacheflush             123
+#define __NR_adjtimex               124
+#define __NR_mprotect               125
+#define __NR_sigprocmask            126
+#define __NR_init_module            128
+#define __NR_delete_module          129
+#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_setfsuid               138
+#define __NR_setfsgid               139
+#define __NR__llseek                140
+#define __NR_getdents               141
+#define __NR__newselect             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_setresuid              164
+#define __NR_getresuid              165
+#define __NR_poll                   168
+#define __NR_nfsservctl             169
+#define __NR_setresgid              170
+#define __NR_getresgid              171
+#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_chown                  182
+#define __NR_getcwd                 183
+#define __NR_capget                 184
+#define __NR_capset                 185
+#define __NR_sigaltstack            186
+#define __NR_sendfile               187
+#define __NR_vfork                  190
+#define __NR_ugetrlimit             191
+#define __NR_mmap2                  192
+#define __NR_truncate64             193
+#define __NR_ftruncate64            194
+#define __NR_stat64                 195
+#define __NR_lstat64                196
+#define __NR_fstat64                197
+#define __NR_lchown32               198
+#define __NR_getuid32               199
+#define __NR_getgid32               200
+#define __NR_geteuid32              201
+#define __NR_getegid32              202
+#define __NR_setreuid32             203
+#define __NR_setregid32             204
+#define __NR_getgroups32            205
+#define __NR_setgroups32            206
+#define __NR_fchown32               207
+#define __NR_setresuid32            208
+#define __NR_getresuid32            209
+#define __NR_setresgid32            210
+#define __NR_getresgid32            211
+#define __NR_chown32                212
+#define __NR_setuid32               213
+#define __NR_setgid32               214
+#define __NR_setfsuid32             215
+#define __NR_setfsgid32             216
+#define __NR_pivot_root             217
+#define __NR_mincore                218
+#define __NR_madvise                219
+#define __NR_getdents64             220
+#define __NR_fcntl64                221
+#define __NR_gettid                 224
+#define __NR_readahead              225
+#define __NR_setxattr               226
+#define __NR_lsetxattr              227
+#define __NR_fsetxattr              228
+#define __NR_getxattr               229
+#define __NR_lgetxattr              230
+#define __NR_fgetxattr              231
+#define __NR_listxattr              232
+#define __NR_llistxattr             233
+#define __NR_flistxattr             234
+#define __NR_removexattr            235
+#define __NR_lremovexattr           236
+#define __NR_fremovexattr           237
+#define __NR_tkill                  238
+#define __NR_sendfile64             239
+#define __NR_futex                  240
+#define __NR_sched_setaffinity      241
+#define __NR_sched_getaffinity      242
+#define __NR_io_setup               245
+#define __NR_io_destroy             246
+#define __NR_io_getevents           247
+#define __NR_io_submit              248
+#define __NR_io_cancel              249
+#define __NR_fadvise64              250
+#define __NR_exit_group             252
+#define __NR_lookup_dcookie         253
+#define __NR_epoll_create           254
+#define __NR_epoll_ctl              255
+#define __NR_epoll_wait             256
+#define __NR_remap_file_pages       257
+#define __NR_set_tid_address        258
+#define __NR_timer_create           259
+#define __NR_timer_settime          260
+#define __NR_timer_gettime          261
+#define __NR_timer_getoverrun       262
+#define __NR_timer_delete           263
+#define __NR_clock_settime          264
+#define __NR_clock_gettime          265
+#define __NR_clock_getres           266
+#define __NR_clock_nanosleep        267
+#define __NR_statfs64               268
+#define __NR_fstatfs64              269
+#define __NR_tgkill                 270
+#define __NR_utimes                 271
+#define __NR_fadvise64_64           272
+#define __NR_mbind                  274
+#define __NR_get_mempolicy          275
+#define __NR_set_mempolicy          276
+#define __NR_mq_open                277
+#define __NR_mq_unlink              278
+#define __NR_mq_timedsend           279
+#define __NR_mq_timedreceive        280
+#define __NR_mq_notify              281
+#define __NR_mq_getsetattr          282
+#define __NR_kexec_load             283
+#define __NR_waitid                 284
+#define __NR_add_key                285
+#define __NR_request_key            286
+#define __NR_keyctl                 287
+#define __NR_ioprio_set             288
+#define __NR_ioprio_get             289
+#define __NR_inotify_init           290
+#define __NR_inotify_add_watch      291
+#define __NR_inotify_rm_watch       292
+#define __NR_migrate_pages          294
+#define __NR_openat                 295
+#define __NR_mkdirat                296
+#define __NR_mknodat                297
+#define __NR_fchownat               298
+#define __NR_futimesat              299
+#define __NR_fstatat64              300
+#define __NR_unlinkat               301
+#define __NR_renameat               302
+#define __NR_linkat                 303
+#define __NR_symlinkat              304
+#define __NR_readlinkat             305
+#define __NR_fchmodat               306
+#define __NR_faccessat              307
+#define __NR_pselect6               308
+#define __NR_ppoll                  309
+#define __NR_unshare                310
+#define __NR_set_robust_list        311
+#define __NR_get_robust_list        312
+#define __NR_splice                 313
+#define __NR_sync_file_range        314
+#define __NR_tee                    315
+#define __NR_vmsplice               316
+#define __NR_move_pages             317
+#define __NR_getcpu                 318
+#define __NR_epoll_pwait            319
+#define __NR_utimensat              320
+#define __NR_signalfd               321
+#define __NR_timerfd_create         322
+#define __NR_eventfd                323
+#define __NR_fallocate              324
+#define __NR_timerfd_settime        325
+#define __NR_timerfd_gettime        326
+#define __NR_signalfd4              327
+#define __NR_eventfd2               328
+#define __NR_epoll_create1          329
+#define __NR_dup3                   330
+#define __NR_pipe2                  331
+#define __NR_inotify_init1          332
+#define __NR_preadv                 333
+#define __NR_pwritev                334
+#define __NR_rt_tgsigqueueinfo      335
+#define __NR_perf_event_open        336
+#define __NR_fanotify_init          337
+#define __NR_fanotify_mark          338
+#define __NR_prlimit64              339
+#define __NR_socket                 340
+#define __NR_bind                   341
+#define __NR_connect                342
+#define __NR_listen                 343
+#define __NR_accept                 344
+#define __NR_getsockname            345
+#define __NR_getpeername            346
+#define __NR_socketpair             347
+#define __NR_send                   348
+#define __NR_sendto                 349
+#define __NR_recv                   350
+#define __NR_recvfrom               351
+#define __NR_shutdown               352
+#define __NR_setsockopt             353
+#define __NR_getsockopt             354
+#define __NR_sendmsg                355
+#define __NR_recvmsg                356
+#define __NR_recvmmsg               357
+#define __NR_accept4                358
+#define __NR_name_to_handle_at      359
+#define __NR_open_by_handle_at      360
+#define __NR_clock_adjtime          361
+#define __NR_syncfs                 362
+#define __NR_sendmmsg               363
+#define __NR_setns                  364
+#define __NR_process_vm_readv       365
+#define __NR_process_vm_writev      366
+#define __NR_kcmp                   367
+#define __NR_finit_module           368
+
+
+/* Repeated with SYS_ prefix */
+
+#define SYS_restart_syscall         0
+#define SYS_exit                    1
+#define SYS_fork                    2
+#define SYS_read                    3
+#define SYS_write                   4
+#define SYS_open                    5
+#define SYS_close                   6
+#define SYS_waitpid                 7
+#define SYS_creat                   8
+#define SYS_link                    9
+#define SYS_unlink                  10
+#define SYS_execve                  11
+#define SYS_chdir                   12
+#define SYS_time                    13
+#define SYS_mknod                   14
+#define SYS_chmod                   15
+#define SYS_lchown                  16
+#define SYS_oldstat                 18
+#define SYS_lseek                   19
+#define SYS_getpid                  20
+#define SYS_mount                   21
+#define SYS_umount                  22
+#define SYS_setuid                  23
+#define SYS_getuid                  24
+#define SYS_stime                   25
+#define SYS_ptrace                  26
+#define SYS_alarm                   27
+#define SYS_oldfstat                28
+#define SYS_pause                   29
+#define SYS_utime                   30
+#define SYS_access                  33
+#define SYS_nice                    34
+#define SYS_sync                    36
+#define SYS_kill                    37
+#define SYS_rename                  38
+#define SYS_mkdir                   39
+#define SYS_rmdir                   40
+#define SYS_dup                     41
+#define SYS_pipe                    42
+#define SYS_times                   43
+#define SYS_brk                     45
+#define SYS_setgid                  46
+#define SYS_getgid                  47
+#define SYS_signal                  48
+#define SYS_geteuid                 49
+#define SYS_getegid                 50
+#define SYS_acct                    51
+#define SYS_umount2                 52
+#define SYS_ioctl                   54
+#define SYS_fcntl                   55
+#define SYS_setpgid                 57
+#define SYS_umask                   60
+#define SYS_chroot                  61
+#define SYS_ustat                   62
+#define SYS_dup2                    63
+#define SYS_getppid                 64
+#define SYS_getpgrp                 65
+#define SYS_setsid                  66
+#define SYS_sigaction               67
+#define SYS_sgetmask                68
+#define SYS_ssetmask                69
+#define SYS_setreuid                70
+#define SYS_setregid                71
+#define SYS_sigsuspend              72
+#define SYS_sigpending              73
+#define SYS_sethostname             74
+#define SYS_setrlimit               75
+#define SYS_getrlimit               76
+#define SYS_getrusage               77
+#define SYS_gettimeofday            78
+#define SYS_settimeofday            79
+#define SYS_getgroups               80
+#define SYS_setgroups               81
+#define SYS_symlink                 83
+#define SYS_oldlstat                84
+#define SYS_readlink                85
+#define SYS_uselib                  86
+#define SYS_swapon                  87
+#define SYS_reboot                  88
+#define SYS_readdir                 89
+#define SYS_mmap                    90
+#define SYS_munmap                  91
+#define SYS_truncate                92
+#define SYS_ftruncate               93
+#define SYS_fchmod                  94
+#define SYS_fchown                  95
+#define SYS_getpriority             96
+#define SYS_setpriority             97
+#define SYS_statfs                  99
+#define SYS_fstatfs                 100
+#define SYS_socketcall              102
+#define SYS_syslog                  103
+#define SYS_setitimer               104
+#define SYS_getitimer               105
+#define SYS_stat                    106
+#define SYS_lstat                   107
+#define SYS_fstat                   108
+#define SYS_olduname                109
+#define SYS_vhangup                 111
+#define SYS_wait4                   114
+#define SYS_swapoff                 115
+#define SYS_sysinfo                 116
+#define SYS_ipc                     117
+#define SYS_fsync                   118
+#define SYS_sigreturn               119
+#define SYS_clone                   120
+#define SYS_setdomainname           121
+#define SYS_uname                   122
+#define SYS_cacheflush              123
+#define SYS_adjtimex                124
+#define SYS_mprotect                125
+#define SYS_sigprocmask             126
+#define SYS_init_module             128
+#define SYS_delete_module           129
+#define SYS_quotactl                131
+#define SYS_getpgid                 132
+#define SYS_fchdir                  133
+#define SYS_bdflush                 134
+#define SYS_sysfs                   135
+#define SYS_personality             136
+#define SYS_setfsuid                138
+#define SYS_setfsgid                139
+#define SYS__llseek                 140
+#define SYS_getdents                141
+#define SYS__newselect              142
+#define SYS_flock                   143
+#define SYS_msync                   144
+#define SYS_readv                   145
+#define SYS_writev                  146
+#define SYS_getsid                  147
+#define SYS_fdatasync               148
+#define SYS__sysctl                 149
+#define SYS_mlock                   150
+#define SYS_munlock                 151
+#define SYS_mlockall                152
+#define SYS_munlockall              153
+#define SYS_sched_setparam          154
+#define SYS_sched_getparam          155
+#define SYS_sched_setscheduler      156
+#define SYS_sched_getscheduler      157
+#define SYS_sched_yield             158
+#define SYS_sched_get_priority_max  159
+#define SYS_sched_get_priority_min  160
+#define SYS_sched_rr_get_interval   161
+#define SYS_nanosleep               162
+#define SYS_mremap                  163
+#define SYS_setresuid               164
+#define SYS_getresuid               165
+#define SYS_poll                    168
+#define SYS_nfsservctl              169
+#define SYS_setresgid               170
+#define SYS_getresgid               171
+#define SYS_prctl                   172
+#define SYS_rt_sigreturn            173
+#define SYS_rt_sigaction            174
+#define SYS_rt_sigprocmask          175
+#define SYS_rt_sigpending           176
+#define SYS_rt_sigtimedwait         177
+#define SYS_rt_sigqueueinfo         178
+#define SYS_rt_sigsuspend           179
+#define SYS_pread64                 180
+#define SYS_pwrite64                181
+#define SYS_chown                   182
+#define SYS_getcwd                  183
+#define SYS_capget                  184
+#define SYS_capset                  185
+#define SYS_sigaltstack             186
+#define SYS_sendfile                187
+#define SYS_vfork                   190
+#define SYS_ugetrlimit              191
+#define SYS_mmap2                   192
+#define SYS_truncate64              193
+#define SYS_ftruncate64             194
+#define SYS_stat64                  195
+#define SYS_lstat64                 196
+#define SYS_fstat64                 197
+#define SYS_lchown32                198
+#define SYS_getuid32                199
+#define SYS_getgid32                200
+#define SYS_geteuid32               201
+#define SYS_getegid32               202
+#define SYS_setreuid32              203
+#define SYS_setregid32              204
+#define SYS_getgroups32             205
+#define SYS_setgroups32             206
+#define SYS_fchown32                207
+#define SYS_setresuid32             208
+#define SYS_getresuid32             209
+#define SYS_setresgid32             210
+#define SYS_getresgid32             211
+#define SYS_chown32                 212
+#define SYS_setuid32                213
+#define SYS_setgid32                214
+#define SYS_setfsuid32              215
+#define SYS_setfsgid32              216
+#define SYS_pivot_root              217
+#define SYS_mincore                 218
+#define SYS_madvise                 219
+#define SYS_getdents64              220
+#define SYS_fcntl64                 221
+#define SYS_gettid                  224
+#define SYS_readahead               225
+#define SYS_setxattr                226
+#define SYS_lsetxattr               227
+#define SYS_fsetxattr               228
+#define SYS_getxattr                229
+#define SYS_lgetxattr               230
+#define SYS_fgetxattr               231
+#define SYS_listxattr               232
+#define SYS_llistxattr              233
+#define SYS_flistxattr              234
+#define SYS_removexattr             235
+#define SYS_lremovexattr            236
+#define SYS_fremovexattr            237
+#define SYS_tkill                   238
+#define SYS_sendfile64              239
+#define SYS_futex                   240
+#define SYS_sched_setaffinity       241
+#define SYS_sched_getaffinity       242
+#define SYS_io_setup                245
+#define SYS_io_destroy              246
+#define SYS_io_getevents            247
+#define SYS_io_submit               248
+#define SYS_io_cancel               249
+#define SYS_fadvise64               250
+#define SYS_exit_group              252
+#define SYS_lookup_dcookie          253
+#define SYS_epoll_create            254
+#define SYS_epoll_ctl               255
+#define SYS_epoll_wait              256
+#define SYS_remap_file_pages        257
+#define SYS_set_tid_address         258
+#define SYS_timer_create            259
+#define SYS_timer_settime           260
+#define SYS_timer_gettime           261
+#define SYS_timer_getoverrun        262
+#define SYS_timer_delete            263
+#define SYS_clock_settime           264
+#define SYS_clock_gettime           265
+#define SYS_clock_getres            266
+#define SYS_clock_nanosleep         267
+#define SYS_statfs64                268
+#define SYS_fstatfs64               269
+#define SYS_tgkill                  270
+#define SYS_utimes                  271
+#define SYS_fadvise64_64            272
+#define SYS_mbind                   274
+#define SYS_get_mempolicy           275
+#define SYS_set_mempolicy           276
+#define SYS_mq_open                 277
+#define SYS_mq_unlink               278
+#define SYS_mq_timedsend            279
+#define SYS_mq_timedreceive         280
+#define SYS_mq_notify               281
+#define SYS_mq_getsetattr           282
+#define SYS_kexec_load              283
+#define SYS_waitid                  284
+#define SYS_add_key                 285
+#define SYS_request_key             286
+#define SYS_keyctl                  287
+#define SYS_ioprio_set              288
+#define SYS_ioprio_get              289
+#define SYS_inotify_init            290
+#define SYS_inotify_add_watch       291
+#define SYS_inotify_rm_watch        292
+#define SYS_migrate_pages           294
+#define SYS_openat                  295
+#define SYS_mkdirat                 296
+#define SYS_mknodat                 297
+#define SYS_fchownat                298
+#define SYS_futimesat               299
+#define SYS_fstatat64               300
+#define SYS_unlinkat                301
+#define SYS_renameat                302
+#define SYS_linkat                  303
+#define SYS_symlinkat               304
+#define SYS_readlinkat              305
+#define SYS_fchmodat                306
+#define SYS_faccessat               307
+#define SYS_pselect6                308
+#define SYS_ppoll                   309
+#define SYS_unshare                 310
+#define SYS_set_robust_list         311
+#define SYS_get_robust_list         312
+#define SYS_splice                  313
+#define SYS_sync_file_range         314
+#define SYS_tee                     315
+#define SYS_vmsplice                316
+#define SYS_move_pages              317
+#define SYS_getcpu                  318
+#define SYS_epoll_pwait             319
+#define SYS_utimensat               320
+#define SYS_signalfd                321
+#define SYS_timerfd_create          322
+#define SYS_eventfd                 323
+#define SYS_fallocate               324
+#define SYS_timerfd_settime         325
+#define SYS_timerfd_gettime         326
+#define SYS_signalfd4               327
+#define SYS_eventfd2                328
+#define SYS_epoll_create1           329
+#define SYS_dup3                    330
+#define SYS_pipe2                   331
+#define SYS_inotify_init1           332
+#define SYS_preadv                  333
+#define SYS_pwritev                 334
+#define SYS_rt_tgsigqueueinfo       335
+#define SYS_perf_event_open         336
+#define SYS_fanotify_init           337
+#define SYS_fanotify_mark           338
+#define SYS_prlimit64               339
+#define SYS_socket                  340
+#define SYS_bind                    341
+#define SYS_connect                 342
+#define SYS_listen                  343
+#define SYS_accept                  344
+#define SYS_getsockname             345
+#define SYS_getpeername             346
+#define SYS_socketpair              347
+#define SYS_send                    348
+#define SYS_sendto                  349
+#define SYS_recv                    350
+#define SYS_recvfrom                351
+#define SYS_shutdown                352
+#define SYS_setsockopt              353
+#define SYS_getsockopt              354
+#define SYS_sendmsg                 355
+#define SYS_recvmsg                 356
+#define SYS_recvmmsg                357
+#define SYS_accept4                 358
+#define SYS_name_to_handle_at       359
+#define SYS_open_by_handle_at       360
+#define SYS_clock_adjtime           361
+#define SYS_syncfs                  362
+#define SYS_sendmmsg                363
+#define SYS_setns                   364
+#define SYS_process_vm_readv        365
+#define SYS_process_vm_writev       366
+#define SYS_kcmp                    367
+#define SYS_finit_module            368
--- a/arch/superh/bits/termios.h
+++ b/arch/superh/bits/termios.h
@ -0,0 +1,160 @@
+struct termios
+{
+	tcflag_t c_iflag;
+	tcflag_t c_oflag;
+	tcflag_t c_cflag;
+	tcflag_t c_lflag;
+	cc_t c_line;
+	cc_t c_cc[NCCS];
+	speed_t __c_ispeed;
+	speed_t __c_ospeed;
+};
+
+#define VINTR     0
+#define VQUIT     1
+#define VERASE    2
+#define VKILL     3
+#define VEOF      4
+#define VTIME     5
+#define VMIN      6
+#define VSWTC     7
+#define VSTART    8
+#define VSTOP     9
+#define VSUSP    10
+#define VEOL     11
+#define VREPRINT 12
+#define VDISCARD 13
+#define VWERASE  14
+#define VLNEXT   15
+#define VEOL2    16
+
+#define IGNBRK  0000001
+#define BRKINT  0000002
+#define IGNPAR  0000004
+#define PARMRK  0000010
+#define INPCK   0000020
+#define ISTRIP  0000040
+#define INLCR   0000100
+#define IGNCR   0000200
+#define ICRNL   0000400
+#define IUCLC   0001000
+#define IXON    0002000
+#define IXANY   0004000
+#define IXOFF   0010000
+#define IMAXBEL 0020000
+#define IUTF8   0040000
+
+#define OPOST  0000001
+#define OLCUC  0000002
+#define ONLCR  0000004
+#define OCRNL  0000010
+#define ONOCR  0000020
+#define ONLRET 0000040
+#define OFILL  0000100
+#define OFDEL  0000200
+#define NLDLY  0000400
+#define NL0    0000000
+#define NL1    0000400
+#define CRDLY  0003000
+#define CR0    0000000
+#define CR1    0001000
+#define CR2    0002000
+#define CR3    0003000
+#define TABDLY 0014000
+#define TAB0   0000000
+#define TAB1   0004000
+#define TAB2   0010000
+#define TAB3   0014000
+#define BSDLY  0020000
+#define BS0    0000000
+#define BS1    0020000
+#define FFDLY  0100000
+#define FF0    0000000
+#define FF1    0100000
+
+#define VTDLY  0040000
+#define VT0    0000000
+#define VT1    0040000
+
+#define B0       0000000
+#define B50      0000001
+#define B75      0000002
+#define B110     0000003
+#define B134     0000004
+#define B150     0000005
+#define B200     0000006
+#define B300     0000007
+#define B600     0000010
+#define B1200    0000011
+#define B1800    0000012
+#define B2400    0000013
+#define B4800    0000014
+#define B9600    0000015
+#define B19200   0000016
+#define B38400   0000017
+
+#define B57600   0010001
+#define B115200  0010002
+#define B230400  0010003
+#define B460800  0010004
+#define B500000  0010005
+#define B576000  0010006
+#define B921600  0010007
+#define B1000000 0010010
+#define B1152000 0010011
+#define B1500000 0010012
+#define B2000000 0010013
+#define B2500000 0010014
+#define B3000000 0010015
+#define B3500000 0010016
+#define B4000000 0010017
+
+#define CBAUD    0010017
+
+#define CSIZE  0000060
+#define CS5    0000000
+#define CS6    0000020
+#define CS7    0000040
+#define CS8    0000060
+#define CSTOPB 0000100
+#define CREAD  0000200
+#define PARENB 0000400
+#define PARODD 0001000
+#define HUPCL  0002000
+#define CLOCAL 0004000
+
+#define ISIG   0000001
+#define ICANON 0000002
+#define ECHO   0000010
+#define ECHOE  0000020
+#define ECHOK  0000040
+#define ECHONL 0000100
+#define NOFLSH 0000200
+#define TOSTOP 0000400
+#define IEXTEN 0100000
+
+#define ECHOCTL 0001000
+#define ECHOPRT 0002000
+#define ECHOKE 0004000
+#define FLUSHO 0010000
+#define PENDIN 0040000
+
+#define TCOOFF 0
+#define TCOON  1
+#define TCIOFF 2
+#define TCION  3
+
+#define TCIFLUSH  0
+#define TCOFLUSH  1
+#define TCIOFLUSH 2
+
+#define TCSANOW   0
+#define TCSADRAIN 1
+#define TCSAFLUSH 2
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define CBAUDEX 0010000
+#define CRTSCTS  020000000000
+#define EXTPROC 0200000
+#define XTABS  0014000
+#endif
--- a/arch/superh/crt_arch.h
+++ b/arch/superh/crt_arch.h
@ -0,0 +1,9 @@
+__asm__("\
+.global _start \n\
+_start: \n\
+	mov r15, r4 \n\
+	mov #-16, r0 \n\
+	and r0, r15 \n\
+	bsr __cstart \n\
+	nop \n\
+");
--- a/arch/superh/pthread_arch.h
+++ b/arch/superh/pthread_arch.h
@ -0,0 +1,11 @@
+static inline struct pthread *__pthread_self()
+{
+	char *self;
+	__asm__ __volatile__ ("stc gbr,%0" : "=r" (self) );
+	return (struct pthread *) (self + 8 - sizeof(struct pthread));
+}
+
+#define TLS_ABOVE_TP
+#define TP_ADJ(p) ((char *)(p) + sizeof(struct pthread) - 8)
+
+#define CANCEL_REG_IP 17
--- a/arch/superh/reloc.h
+++ b/arch/superh/reloc.h
@ -0,0 +1,47 @@
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define ENDIAN_SUFFIX "l"
+#else
+#define ENDIAN_SUFFIX ""
+#endif
+
+#define LDSO_ARCH "sh" ENDIAN_SUFFIX
+
+#define IS_COPY(x) ((x) == R_SH_COPY)
+#define IS_PLT(x)  ((x) == R_SH_JMP_SLOT)
+
+static inline void do_single_reloc(
+	struct dso *self, unsigned char *base_addr,
+	size_t *reloc_addr, int type, size_t addend,
+	Sym *sym, size_t sym_size,
+	struct symdef def, size_t sym_val)
+{
+	switch(type) {
+	case R_SH_GLOB_DAT:
+	case R_SH_JMP_SLOT:
+		*reloc_addr = sym_val;
+		break;
+	case R_SH_RELATIVE:
+		*reloc_addr = (size_t)base_addr + addend;
+		break;
+	case R_SH_DIR32:
+		*reloc_addr = sym_val + addend;
+		break;
+	case R_SH_REL32:
+		*reloc_addr = sym_val + addend - (size_t)reloc_addr + (size_t)base_addr;
+		break;
+	case R_SH_COPY:
+		memcpy(reloc_addr, (void *)sym_val, sym_size);
+		break;
+	case R_SH_TLS_DTPMOD32:
+		*reloc_addr += def.dso ? def.dso->tls_id : self->tls_id;
+		break;
+	case R_SH_TLS_DTPOFF32:
+		*reloc_addr += def.sym->st_value;
+		break;
+	case R_SH_TLS_TPOFF32:
+		*reloc_addr += def.sym
+			? def.sym->st_value + def.dso->tls_offset + 8
+			: self->tls_offset + 8;
+		break;
+	}
+}
--- a/arch/superh/src/__fpsrc_values.c
+++ b/arch/superh/src/__fpsrc_values.c
@ -0,0 +1,2 @@
+/* used by gcc for switching the FPU between single and double precision */
+const unsigned long __fpscr_values[2] = { 0, 0x80000 };
--- a/arch/superh/src/atomic.c
+++ b/arch/superh/src/atomic.c
@ -0,0 +1,146 @@
+#include "libc.h"
+
+#define LLSC_CLOBBERS   "r0", "t", "memory"
+#define LLSC_START(mem)            \
+	"0:	movli.l @" mem ", r0\n"
+#define LLSC_END(mem)              \
+	"1:	movco.l r0, @" mem "\n"    \
+	"	bf 0b\n"                   \
+	"	synco\n"
+
+/* gusa is a hack in the kernel which lets you create a sequence of instructions
+ * which will be restarted if the process is preempted in the middle of the
+ * sequence. It will do for implementing atomics on non-smp systems. ABI is:
+ * r0  = address of first instruction after the atomic sequence
+ * r1  = original stack pointer
+ * r15 = -1 * length of atomic sequence in bytes
+ */
+#define GUSA_CLOBBERS   "r0", "r1", "memory"
+#define GUSA_START(mem,old,nop)    \
+	"	.align 2\n"                \
+	"	mova 1f, r0\n"             \
+	nop                            \
+	"	mov r15, r1\n"             \
+	"	mov #(0f-1f), r15\n"       \
+	"0:	mov.l @" mem ", " old "\n"
+/* the target of mova must be 4 byte aligned, so we may need a nop */
+#define GUSA_START_ODD(mem,old)  GUSA_START(mem,old,"")
+#define GUSA_START_EVEN(mem,old) GUSA_START(mem,old,"\tnop\n")
+#define GUSA_END(mem,new)          \
+	"	mov.l " new ", @" mem "\n" \
+	"1:	mov r1, r15\n"
+
+#define CPU_HAS_LLSC 0x0040
+
+int __sh_cas(volatile int *p, int t, int s)
+{
+	int old;
+	if (__hwcap & CPU_HAS_LLSC) {
+		__asm__ __volatile__(
+			LLSC_START("%1")
+			"	mov r0, %0\n"
+			"	cmp/eq %0, %2\n"
+			"	bf 1f\n"
+			"	mov %3, r0\n"
+			LLSC_END("%1")
+			: "=&r"(old) : "r"(p), "r"(t), "r"(s) : LLSC_CLOBBERS);
+	} else {
+		__asm__ __volatile__(
+			GUSA_START_EVEN("%1", "%0")
+			"	cmp/eq %0, %2\n"
+			"	bf 1f\n"
+			GUSA_END("%1", "%3")
+			: "=&r"(old) : "r"(p), "r"(t), "r"(s) : GUSA_CLOBBERS, "t");
+	}
+	return old;
+}
+
+int __sh_swap(volatile int *x, int v)
+{
+	int old;
+	if (__hwcap & CPU_HAS_LLSC) {
+		__asm__ __volatile__(
+			LLSC_START("%1")
+			"	mov r0, %0\n"
+			"	mov %2, r0\n"
+			LLSC_END("%1")
+			: "=&r"(old) : "r"(x), "r"(v) : LLSC_CLOBBERS);
+	} else {
+		__asm__ __volatile__(
+			GUSA_START_EVEN("%1", "%0")
+			GUSA_END("%1", "%2")
+			: "=&r"(old) : "r"(x), "r"(v) : GUSA_CLOBBERS);
+	}
+	return old;
+}
+
+int __sh_fetch_add(volatile int *x, int v)
+{
+	int old, dummy;
+	if (__hwcap & CPU_HAS_LLSC) {
+		__asm__ __volatile__(
+			LLSC_START("%1")
+			"	mov r0, %0\n"
+			"	add %2, r0\n"
+			LLSC_END("%1")
+			: "=&r"(old) : "r"(x), "r"(v) : LLSC_CLOBBERS);
+	} else {
+		__asm__ __volatile__(
+			GUSA_START_EVEN("%2", "%0")
+			"	mov %0, %1\n"
+			"	add %3, %1\n"
+			GUSA_END("%2", "%1")
+			: "=&r"(old), "=&r"(dummy) : "r"(x), "r"(v) : GUSA_CLOBBERS);
+	}
+	return old;
+}
+
+void __sh_store(volatile int *p, int x)
+{
+	if (__hwcap & CPU_HAS_LLSC) {
+		__asm__ __volatile__(
+			"	mov.l %1, @%0\n"
+			"	synco\n"
+			: : "r"(p), "r"(x) : "memory");
+	} else {
+		__asm__ __volatile__(
+			"	mov.l %1, @%0\n"
+			: : "r"(p), "r"(x) : "memory");
+	}
+}
+
+void __sh_and(volatile int *x, int v)
+{
+	int dummy;
+	if (__hwcap & CPU_HAS_LLSC) {
+		__asm__ __volatile__(
+			LLSC_START("%0")
+			"	and %1, r0\n"
+			LLSC_END("%0")
+			: : "r"(x), "r"(v) : LLSC_CLOBBERS);
+	} else {
+		__asm__ __volatile__(
+			GUSA_START_ODD("%1", "%0")
+			"	and %2, %0\n"
+			GUSA_END("%1", "%0")
+			: "=&r"(dummy) : "r"(x), "r"(v) : GUSA_CLOBBERS);
+	}
+}
+
+void __sh_or(volatile int *x, int v)
+{
+	int dummy;
+	if (__hwcap & CPU_HAS_LLSC) {
+		__asm__ __volatile__(
+			LLSC_START("%0")
+			"	or %1, r0\n"
+			LLSC_END("%0")
+			: : "r"(x), "r"(v) : LLSC_CLOBBERS);
+	} else {
+		__asm__ __volatile__(
+			GUSA_START_ODD("%1", "%0")
+			"	or %2, %0\n"
+			GUSA_END("%1", "%0")
+			: "=&r"(dummy) : "r"(x), "r"(v) : GUSA_CLOBBERS);
+	}
+}
--- a/arch/superh/syscall_arch.h
+++ b/arch/superh/syscall_arch.h
@ -0,0 +1,87 @@
+#define __SYSCALL_LL_E(x) \
+((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
+((union { long long ll; long l[2]; }){ .ll = x }).l[1]
+#define __SYSCALL_LL_O(x) __SYSCALL_LL_E((x))
+
+/* The extra OR instructions are to work around a hardware bug:
+ * http://documentation.renesas.com/doc/products/mpumcu/tu/tnsh7456ae.pdf
+ */
+#define __asm_syscall(trapno, ...) do {   \
+	__asm__ __volatile__ (                \
+		"trapa #" #trapno "\n"            \
+		"or r0, r0\n"                     \
+		"or r0, r0\n"                     \
+		"or r0, r0\n"                     \
+		"or r0, r0\n"                     \
+		"or r0, r0\n"                     \
+	: "=r"(r0) : __VA_ARGS__ : "memory"); \
+	return r0;                            \
+	} while (0)
+
+static inline long __syscall0(long n)
+{
+	register long r3 __asm__("r3") = n;
+	register long r0 __asm__("r0");
+	__asm_syscall(16, "r"(r3));
+}
+
+static inline long __syscall1(long n, long a)
+{
+	register long r3 __asm__("r3") = n;
+	register long r4 __asm__("r4") = a;
+	register long r0 __asm__("r0");
+	__asm_syscall(17, "r"(r3), "r"(r4));
+}
+
+static inline long __syscall2(long n, long a, long b)
+{
+	register long r3 __asm__("r3") = n;
+	register long r4 __asm__("r4") = a;
+	register long r5 __asm__("r5") = b;
+	register long r0 __asm__("r0");
+	__asm_syscall(18, "r"(r3), "r"(r4), "r"(r5));
+}
+
+static inline long __syscall3(long n, long a, long b, long c)
+{
+	register long r3 __asm__("r3") = n;
+	register long r4 __asm__("r4") = a;
+	register long r5 __asm__("r5") = b;
+	register long r6 __asm__("r6") = c;
+	register long r0 __asm__("r0");
+	__asm_syscall(19, "r"(r3), "r"(r4), "r"(r5), "r"(r6));
+}
+
+static inline long __syscall4(long n, long a, long b, long c, long d)
+{
+	register long r3 __asm__("r3") = n;
+	register long r4 __asm__("r4") = a;
+	register long r5 __asm__("r5") = b;
+	register long r6 __asm__("r6") = c;
+	register long r7 __asm__("r7") = d;
+	register long r0 __asm__("r0");
+	__asm_syscall(20, "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7));
+}
+
+static inline long __syscall5(long n, long a, long b, long c, long d, long e)
+{
+	register long r3 __asm__("r3") = n;
+	register long r4 __asm__("r4") = a;
+	register long r5 __asm__("r5") = b;
+	register long r6 __asm__("r6") = c;
+	register long r7 __asm__("r7") = d;
+	register long r0 __asm__("r0") = e;
+	__asm_syscall(21, "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7), "0"(r0));
+}
+
+static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
+{
+	register long r3 __asm__("r3") = n;
+	register long r4 __asm__("r4") = a;
+	register long r5 __asm__("r5") = b;
+	register long r6 __asm__("r6") = c;
+	register long r7 __asm__("r7") = d;
+	register long r0 __asm__("r0") = e;
+	register long r1 __asm__("r1") = f;
+	__asm_syscall(22, "r"(r3), "r"(r4), "r"(r5), "r"(r6), "r"(r7), "0"(r0), "r"(r1));
+}
--- a/4
+++ b/4
@ -229,6 +229,7 @@ x86_64*) ARCH=x86_64 ;;
 mips-*|mipsel-*) ARCH=mips ;;
 microblaze-*) ARCH=microblaze ;;
 powerpc-*) ARCH=powerpc ;;
+sh-*) ARCH=superh ;;
 unknown) fail "$0: unable to detect target arch; try $0 --target=..." ;;
 *) fail "$0: unknown or unsupported target \"$target\"" ;;
 esac
@ -418,6 +419,9 @@ test "$ARCH" = "mips" && trycppif "_MIPSEL || __MIPSEL || __MIPSEL__" "$t" \
 test "$ARCH" = "microblaze" && trycppif __MICROBLAZEEL__ "$t" \
 && SUBARCH=${SUBARCH}el

+test "$ARCH" = "superh" && trycppif __LITTLE_ENDIAN__ "$t" \
+&& SUBARCH=${SUBARCH}el
+
 test "$SUBARCH" \
 && printf "configured for %s variant: %s\n" "$ARCH" "$ARCH$SUBARCH"

--- a/crt/superh/crti.s
+++ b/crt/superh/crti.s
@ -0,0 +1,13 @@
+.section .init
+.global  _init
+.type    _init, @function
+_init:
+	sts.l pr, @-r15
+	nop
+
+.section .fini
+.global  _fini
+.type    _fini, @function
+_fini:
+	sts.l pr, @-r15
+	nop
--- a/crt/superh/crtn.s
+++ b/crt/superh/crtn.s
@ -0,0 +1,9 @@
+.section .init
+	lds.l @r15+, pr
+	rts
+	 nop
+
+.section .fini
+	lds.l @r15+, pr
+	rts
+	 nop
--- a/src/fenv/superh/fenv.s
+++ b/src/fenv/superh/fenv.s
@ -0,0 +1,74 @@
+.global fegetround
+.type   fegetround, @function
+fegetround:
+	sts fpscr, r0
+	rts
+	 and #3, r0
+
+.global __fesetround
+.type   __fesetround, @function
+__fesetround:
+	sts fpscr, r0
+	or  r4, r0
+	lds r0, fpscr
+	rts
+	 mov #0, r0
+
+.global fetestexcept
+.type   fetestexcept, @function
+fetestexcept:
+	sts fpscr, r0
+	and r4, r0
+	rts
+	 and #0x7c, r0
+
+.global feclearexcept
+.type   feclearexcept, @function
+feclearexcept:
+	mov r4, r0
+	and #0x7c, r0
+	not r0, r4
+	sts fpscr, r0
+	and r4, r0
+	lds r0, fpscr
+	rts
+	 mov #0, r0
+
+.global feraiseexcept
+.type   feraiseexcept, @function
+feraiseexcept:
+	mov r4, r0
+	and #0x7c, r0
+	sts fpscr, r4
+	or  r4, r0
+	lds r0, fpscr
+	rts
+	 mov #0, r0
+
+.global fegetenv
+.type   fegetenv, @function
+fegetenv:
+	sts fpscr, r0
+	mov.l r0, @r4
+	rts
+	 mov #0, r0
+
+.global fesetenv
+.type   fesetenv, @function
+fesetenv:
+	mov r4, r0
+	cmp/eq #-1, r0
+	bf 1f
+
+	! the default environment is complicated by the fact that we need to
+	! preserve the current precision bit, which we do not know a priori
+	sts fpscr, r0
+	mov #8, r1
+	swap.w r1, r1
+	bra 2f
+	 and r1, r0
+
+1:	mov.l @r4, r0      ! non-default environment
+2:	lds r0, fpscr
+	rts
+	 mov #0, r0
--- a/src/internal/superh/syscall.s
+++ b/src/internal/superh/syscall.s
@ -0,0 +1,22 @@
+.global __syscall
+.type   __syscall, @function
+__syscall:
+	! The kernel syscall entry point documents that the trap number indicates
+	! the number of arguments being passed, but it then ignores that information.
+	! Since we do not actually know how many arguments are being passed, we will
+	! say there are six, since that is the maximum we support here.
+	mov r4, r3
+	mov r5, r4
+	mov r6, r5
+	mov r7, r6
+	mov.l @r15, r7
+	mov.l @(4,r15), r0
+	mov.l @(8,r15), r1
+	trapa #22
+	or r0, r0
+	or r0, r0
+	or r0, r0
+	or r0, r0
+	or r0, r0
+	rts
+	 nop
--- a/src/ldso/superh/dlsym.s
+++ b/src/ldso/superh/dlsym.s
@ -0,0 +1,10 @@
+.text
+.global dlsym
+.type   dlsym, @function
+dlsym:
+	mov.l L1, r0
+	braf  r0
+1:	 mov.l @r15, r6
+
+.align 2
+L1:	.long __dlsym@PLT-(1b-.)
--- a/src/ldso/superh/start.s
+++ b/src/ldso/superh/start.s
@ -0,0 +1,26 @@
+.text
+.global _start
+.type   _start, @function
+_start:
+	mov.l  @r15, r4
+	mov    r15, r5
+	mov.l  L1, r0
+	bsrf   r0
+	 add   #4, r5
+
+2:	mov    r0, r2
+	mov.l  @r15+, r1
+1:	mov.l  @r15+, r0
+	cmp/eq #-1, r0
+	bt/s   1b
+	 add   #-1, r1
+
+	add    #1, r1
+	mov.l  r0, @-r15
+	mov.l  r1, @-r15
+	mov    #0, r4
+	jmp    @r2
+	 nop
+
+.align 2
+L1:	.long __dynlink@PLT-(2b-.)
--- a/src/setjmp/superh/longjmp.s
+++ b/src/setjmp/superh/longjmp.s
@ -0,0 +1,26 @@
+.global _longjmp
+.global longjmp
+.type   _longjmp, @function
+.type   longjmp,  @function
+_longjmp:
+longjmp:
+	mov.l  @r4+, r8
+	mov.l  @r4+, r9
+	mov.l  @r4+, r10
+	mov.l  @r4+, r11
+	mov.l  @r4+, r12
+	mov.l  @r4+, r13
+	mov.l  @r4+, r14
+	mov.l  @r4+, r15
+	lds.l  @r4+, pr
+	fmov.s @r4+, fr12
+	fmov.s @r4+, fr13
+	fmov.s @r4+, fr14
+	fmov.s @r4+, fr15
+
+	tst  r5, r5
+	movt r0
+	add  r5, r0
+
+	rts
+	 nop
--- a/src/setjmp/superh/setjmp.s
+++ b/src/setjmp/superh/setjmp.s
@ -0,0 +1,25 @@
+.global __setjmp
+.global _setjmp
+.global setjmp
+.type   __setjmp, @function
+.type   _setjmp,  @function
+.type   setjmp,   @function
+__setjmp:
+_setjmp:
+setjmp:
+	add   #52, r4
+	fmov.s fr15, @-r4
+	fmov.s fr14, @-r4
+	fmov.s fr13, @-r4
+	fmov.s fr12, @-r4
+	sts.l  pr,   @-r4
+	mov.l  r15   @-r4
+	mov.l  r14,  @-r4
+	mov.l  r13,  @-r4
+	mov.l  r12,  @-r4
+	mov.l  r11,  @-r4
+	mov.l  r10,  @-r4
+	mov.l  r9,   @-r4
+	mov.l  r8,   @-r4
+	rts
+	 mov  #0, r0
--- a/src/signal/superh/restore.s
+++ b/src/signal/superh/restore.s
@ -0,0 +1,24 @@
+.global __restore
+.type   __restore, @function
+__restore:
+	mov   #119, r3  !__NR_sigreturn
+	trapa #16
+
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+
+.global __restore_rt
+.type   __restore_rt, @function
+__restore_rt:
+	mov   #100, r3  !__NR_rt_sigreturn
+	add   #73, r3
+	trapa #16
+
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
--- a/src/signal/superh/sigsetjmp.s
+++ b/src/signal/superh/sigsetjmp.s
@ -0,0 +1,27 @@
+.global sigsetjmp
+.type   sigsetjmp, @function
+sigsetjmp:
+	mov.l r5, @(36,r4)
+	tst r5, r5
+	bf  2f
+
+	sts.l pr, @-r15
+	mov.l r4, @-r15
+	mov r4, r6
+	add #40, r6
+	mov #0, r5
+	mov #2, r4
+	mov.l L1, r0
+	bsrf  r0
+	 nop
+1:	mov.l @r15+, r4
+	lds.l @r15+, pr
+
+2:	mov.l L2, r0
+	braf  r0
+	 nop
+3:
+
+.align 2
+L1:	.long pthread_sigmask@PLT-(1b-.)
+L2:	.long setjmp@PLT-(3b-.)
--- a/src/thread/superh/__set_thread_area.s
+++ b/src/thread/superh/__set_thread_area.s
@ -0,0 +1,5 @@
+.global __set_thread_area
+.type   __set_thread_area, @function
+__set_thread_area:
+	rts
+	 ldc r4, gbr
--- a/src/thread/superh/__unmapself.s
+++ b/src/thread/superh/__unmapself.s
@ -0,0 +1,22 @@
+.text
+.global __unmapself
+.type   __unmapself, @function
+__unmapself:
+	mov   #91, r3  ! SYS_munmap
+	trapa #18
+
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+
+	mov   #1, r3   ! SYS_exit
+	mov   #0, r4
+	trapa #17
+
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
+	or    r0, r0
--- a/src/thread/superh/clone.s
+++ b/src/thread/superh/clone.s
@ -0,0 +1,47 @@
+.text
+.global __clone
+.type   __clone, @function
+__clone:
+! incoming: fn stack flags arg ptid tls      ctid
+!           r4 r5    r6    r7  @r15 @(4,r15) @(8,r15)
+
+	mov   #-16, r0
+	and   r0, r5
+
+	mov   r4, r1         ! r1 = fn
+	mov   r7, r2         ! r2 = arg
+
+	mov   #120,     r3   ! r3 = __NR_clone
+	mov   r6,       r4   ! r4 = flags
+	!mov  r5,       r5   ! r5 = stack
+	mov.l @r15,     r6   ! r6 = ptid
+	mov.l @(8,r15), r7   ! r7 = ctid
+	mov.l @(4,r15), r0   ! r0 = tls
+	trapa #21
+
+	or r0, r0
+	or r0, r0
+	or r0, r0
+	or r0, r0
+	or r0, r0
+
+	cmp/eq #0, r0
+	bt     1f
+
+	! we are the parent, return
+	rts
+	 nop
+
+1:	! we are the child, call fn(arg)
+	jsr    @r1
+	 mov   r2, r4
+
+	mov   #1, r3   ! __NR_exit
+	mov   r0, r4
+	trapa #17
+
+	or   r0, r0
+	or   r0, r0
+	or   r0, r0
+	or   r0, r0
+	or   r0, r0
--- a/src/thread/superh/syscall_cp.s
+++ b/src/thread/superh/syscall_cp.s
@ -0,0 +1,39 @@
+.text
+.global __syscall_cp_asm
+.type   __syscall_cp_asm, @function
+__syscall_cp_asm:
+
+.global __cp_begin
+__cp_begin:
+	mov.l @r4, r4
+	tst   r4, r4
+	bt    2f
+
+	mov.l L1, r0
+	braf  r0
+	 nop
+1:
+
+.align 2
+L1:	.long __cancel@PLT-(1b-.)
+
+2:	mov   r5, r3
+	mov   r6, r4
+	mov   r7, r5
+	mov.l @r15, r6
+	mov.l @(4,r15), r7
+	mov.l @(8,r15), r0
+	mov.l @(12,r15), r1
+	trapa #22
+
+.global __cp_end
+__cp_end:
+	! work around hardware bug
+	or   r0, r0
+	or   r0, r0
+	or   r0, r0
+	or   r0, r0
+	or   r0, r0
+
+	rts
+	 nop
--- a/src/unistd/superh/pipe.s
+++ b/src/unistd/superh/pipe.s
@ -0,0 +1,27 @@
+.global pipe
+.type   pipe, @function
+pipe:
+	mov    #42, r3
+	trapa  #17
+
+	! work around hardware bug
+	or     r0, r0
+	or     r0, r0
+	or     r0, r0
+	or     r0, r0
+	or     r0, r0
+
+	cmp/pz r0
+	bt     1f
+
+	mov.l  L1, r1
+	braf   r1
+	 mov   r0, r4
+
+1:	mov.l  r0, @(0,r4)
+	mov.l  r1, @(4,r4)
+	rts
+	 mov   #0, r0
+
+.align 2
+L1:	.long __syscall_ret@PLT-(1b-.)