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-rw-r--r--libc/sysdeps/linux/frv/bits/elf-fdpic.h104
-rw-r--r--libc/sysdeps/linux/frv/bits/endian.h7
-rw-r--r--libc/sysdeps/linux/frv/bits/fcntl.h156
-rw-r--r--libc/sysdeps/linux/frv/bits/kernel_stat.h57
-rw-r--r--libc/sysdeps/linux/frv/bits/kernel_types.h43
-rw-r--r--libc/sysdeps/linux/frv/bits/mman.h75
-rw-r--r--libc/sysdeps/linux/frv/bits/setjmp.h53
-rw-r--r--libc/sysdeps/linux/frv/bits/stackinfo.h28
-rw-r--r--libc/sysdeps/linux/frv/bits/syscalls.h129
-rw-r--r--libc/sysdeps/linux/frv/bits/wordsize.h19
10 files changed, 671 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/frv/bits/elf-fdpic.h b/libc/sysdeps/linux/frv/bits/elf-fdpic.h
new file mode 100644
index 000000000..f47d9493c
--- /dev/null
+++ b/libc/sysdeps/linux/frv/bits/elf-fdpic.h
@@ -0,0 +1,104 @@
+/* Copyright 2003 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public License as
+published by the Free Software Foundation; either version 2.1 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#ifndef _BITS_ELF_FDPIC_H
+#define _BITS_ELF_FDPIC_H
+
+/* These data structures are described in the FDPIC ABI extension.
+ The kernel passes a process a memory map, such that for every LOAD
+ segment there is an elf32_fdpic_loadseg entry. A pointer to an
+ elf32_fdpic_loadmap is passed in GR8 at start-up, and a pointer to
+ an additional such map is passed in GR9 for the interpreter, when
+ there is one. */
+
+#include <elf.h>
+
+/* This data structure represents a PT_LOAD segment. */
+struct elf32_fdpic_loadseg
+{
+ /* Core address to which the segment is mapped. */
+ Elf32_Addr addr;
+ /* VMA recorded in the program header. */
+ Elf32_Addr p_vaddr;
+ /* Size of this segment in memory. */
+ Elf32_Word p_memsz;
+};
+
+struct elf32_fdpic_loadmap {
+ /* Protocol version number, must be zero. */
+ Elf32_Half version;
+ /* Number of segments in this map. */
+ Elf32_Half nsegs;
+ /* The actual memory map. */
+ struct elf32_fdpic_loadseg segs[/*nsegs*/];
+};
+
+struct elf32_fdpic_loadaddr {
+ struct elf32_fdpic_loadmap *map;
+ void *got_value;
+};
+
+/* Map a pointer's VMA to its corresponding address according to the
+ load map. */
+inline static void *
+__reloc_pointer (void *p,
+ const struct elf32_fdpic_loadmap *map)
+{
+ int c;
+
+#if 0
+ if (map->version != 0)
+ /* Crash. */
+ ((void(*)())0)();
+#endif
+
+ /* No special provision is made for NULL. We don't want NULL
+ addresses to go through relocation, so they shouldn't be in
+ .rofixup sections, and, if they're present in dynamic
+ relocations, they shall be mapped to the NULL address without
+ undergoing relocations. */
+
+ for (c = 0;
+ /* Take advantage of the fact that the loadmap is ordered by
+ virtual addresses. In general there will only be 2 entries,
+ so it's not profitable to do a binary search. */
+ c < map->nsegs && p >= (void*)map->segs[c].p_vaddr;
+ c++)
+ {
+ /* This should be computed as part of the pointer comparison
+ above, but we want to use the carry in the comparison, so we
+ can't convert it to an integer type beforehand. */
+ unsigned long offset = p - (void*)map->segs[c].p_vaddr;
+ /* We explicitly refrain from checking for one-past-the-end.
+ Zero-sized objects aren't legal, and it's expected that array
+ addresses will be relocated before the addend that would make
+ it one-past-the-end is added. This gives us a reasonable speed
+ up, and we couldn't possibly disambiguate all cases anyway. */
+ if (offset < map->segs[c].p_memsz)
+ return (char*)map->segs[c].addr + offset;
+ }
+
+ /* We might want to crash instead. */
+ return (void*)-1;
+}
+
+# define __RELOC_POINTER(ptr, loadaddr) \
+ (__reloc_pointer ((void*)(ptr), \
+ (loadaddr).map))
+
+#endif /* _BITS_ELF_FDPIC_H */
diff --git a/libc/sysdeps/linux/frv/bits/endian.h b/libc/sysdeps/linux/frv/bits/endian.h
new file mode 100644
index 000000000..0564c5921
--- /dev/null
+++ b/libc/sysdeps/linux/frv/bits/endian.h
@@ -0,0 +1,7 @@
+/* frv is little-endian. */
+
+#ifndef _ENDIAN_H
+# error "Never use <bits/endian.h> directly; include <endian.h> instead."
+#endif
+
+#define __BYTE_ORDER __BIG_ENDIAN
diff --git a/libc/sysdeps/linux/frv/bits/fcntl.h b/libc/sysdeps/linux/frv/bits/fcntl.h
new file mode 100644
index 000000000..69a20966d
--- /dev/null
+++ b/libc/sysdeps/linux/frv/bits/fcntl.h
@@ -0,0 +1,156 @@
+/* O_*, F_*, FD_* bit values for Linux.
+ Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _FCNTL_H
+# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
+#endif
+
+
+#include <sys/types.h>
+
+/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
+ located on an ext2 file system */
+#define O_ACCMODE 0003
+#define O_RDONLY 00
+#define O_WRONLY 01
+#define O_RDWR 02
+#define O_CREAT 0100 /* not fcntl */
+#define O_EXCL 0200 /* not fcntl */
+#define O_NOCTTY 0400 /* not fcntl */
+#define O_TRUNC 01000 /* not fcntl */
+#define O_APPEND 02000
+#define O_NONBLOCK 04000
+#define O_NDELAY O_NONBLOCK
+#define O_SYNC 010000
+#define O_FSYNC O_SYNC
+#define O_ASYNC 020000
+
+#ifdef __USE_GNU
+# define O_DIRECT 040000 /* Direct disk access. */
+# define O_DIRECTORY 0200000 /* Must be a directory. */
+# define O_NOFOLLOW 0400000 /* Do not follow links. */
+# define O_STREAMING 04000000/* streaming access */
+#endif
+
+/* For now Linux has synchronisity options for data and read operations.
+ We define the symbols here but let them do the same as O_SYNC since
+ this is a superset. */
+#if defined __USE_POSIX199309 || defined __USE_UNIX98
+# define O_DSYNC O_SYNC /* Synchronize data. */
+# define O_RSYNC O_SYNC /* Synchronize read operations. */
+#endif
+
+#ifdef __USE_LARGEFILE64
+# define O_LARGEFILE 0100000
+#endif
+
+/* Values for the second argument to `fcntl'. */
+#define F_DUPFD 0 /* Duplicate file descriptor. */
+#define F_GETFD 1 /* Get file descriptor flags. */
+#define F_SETFD 2 /* Set file descriptor flags. */
+#define F_GETFL 3 /* Get file status flags. */
+#define F_SETFL 4 /* Set file status flags. */
+#ifndef __USE_FILE_OFFSET64
+# define F_GETLK 5 /* Get record locking info. */
+# define F_SETLK 6 /* Set record locking info (non-blocking). */
+# define F_SETLKW 7 /* Set record locking info (blocking). */
+#else
+# define F_GETLK F_GETLK64 /* Get record locking info. */
+# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/
+# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
+#endif
+#define F_GETLK64 12 /* Get record locking info. */
+#define F_SETLK64 13 /* Set record locking info (non-blocking). */
+#define F_SETLKW64 14 /* Set record locking info (blocking). */
+
+#if defined __USE_BSD || defined __USE_XOPEN2K
+# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
+# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */
+#endif
+
+#ifdef __USE_GNU
+# define F_SETSIG 10 /* Set number of signal to be sent. */
+# define F_GETSIG 11 /* Get number of signal to be sent. */
+#endif
+
+/* For F_[GET|SET]FL. */
+#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
+
+/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
+#define F_RDLCK 0 /* Read lock. */
+#define F_WRLCK 1 /* Write lock. */
+#define F_UNLCK 2 /* Remove lock. */
+
+/* For old implementation of bsd flock(). */
+#define F_EXLCK 4 /* or 3 */
+#define F_SHLCK 8 /* or 4 */
+
+#ifdef __USE_BSD
+/* Operations for bsd flock(), also used by the kernel implementation. */
+# define LOCK_SH 1 /* shared lock */
+# define LOCK_EX 2 /* exclusive lock */
+# define LOCK_NB 4 /* or'd with one of the above to prevent
+ blocking */
+# define LOCK_UN 8 /* remove lock */
+#endif
+
+struct flock
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+#ifndef __USE_FILE_OFFSET64
+ __off_t l_start; /* Offset where the lock begins. */
+ __off_t l_len; /* Size of the locked area; zero means until EOF. */
+#else
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+#endif
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+
+#ifdef __USE_LARGEFILE64
+struct flock64
+ {
+ short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
+ short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
+ __off64_t l_start; /* Offset where the lock begins. */
+ __off64_t l_len; /* Size of the locked area; zero means until EOF. */
+ __pid_t l_pid; /* Process holding the lock. */
+ };
+#endif
+
+/* Define some more compatibility macros to be backward compatible with
+ BSD systems which did not managed to hide these kernel macros. */
+#ifdef __USE_BSD
+# define FAPPEND O_APPEND
+# define FFSYNC O_FSYNC
+# define FASYNC O_ASYNC
+# define FNONBLOCK O_NONBLOCK
+# define FNDELAY O_NDELAY
+#endif /* Use BSD. */
+
+/* Advise to `posix_fadvise'. */
+#ifdef __USE_XOPEN2K
+# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
+# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
+# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
+# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
+# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
+# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
+#endif
diff --git a/libc/sysdeps/linux/frv/bits/kernel_stat.h b/libc/sysdeps/linux/frv/bits/kernel_stat.h
new file mode 100644
index 000000000..c6fc95328
--- /dev/null
+++ b/libc/sysdeps/linux/frv/bits/kernel_stat.h
@@ -0,0 +1,57 @@
+#ifndef _BITS_STAT_STRUCT_H
+#define _BITS_STAT_STRUCT_H
+
+/* This file provides whatever this particular arch's kernel thinks
+ * struct kernel_stat should look like... It turns out each arch has a
+ * different opinion on the subject... */
+
+struct kernel_stat {
+ unsigned short st_dev;
+ unsigned short __pad1;
+ unsigned long st_ino;
+ unsigned short st_mode;
+ unsigned short st_nlink;
+ unsigned short st_uid;
+ unsigned short st_gid;
+ unsigned short st_rdev;
+ unsigned short __pad2;
+ unsigned long st_size;
+ unsigned long st_blksize;
+ unsigned long st_blocks;
+ unsigned long st_atime;
+ unsigned long __unused1;
+ unsigned long st_mtime;
+ unsigned long __unused2;
+ unsigned long st_ctime;
+ unsigned long __unused3;
+ unsigned long __unused4;
+ unsigned long __unused5;
+};
+
+struct kernel_stat64 {
+ unsigned char __pad0[6];
+ unsigned short st_dev;
+ unsigned char __pad1[2];
+#define _HAVE_STAT64___ST_INO
+ unsigned long __st_ino;
+ unsigned int st_mode;
+ unsigned int st_nlink;
+ unsigned long st_uid;
+ unsigned long st_gid;
+ unsigned char __pad2[6];
+ unsigned short st_rdev;
+ unsigned char __pad3[2];
+ long long st_size;
+ unsigned long st_blksize;
+ unsigned long __pad4; /* future possible st_blocks high bits */
+ unsigned long st_blocks; /* Number 512-byte blocks allocated. */
+ unsigned long st_atime;
+ unsigned long __pad5;
+ unsigned long st_mtime;
+ unsigned long __pad6;
+ unsigned long st_ctime;
+ unsigned long __pad7; /* will be high 32 bits of ctime someday */
+ unsigned long long st_ino;
+};
+
+#endif /* _BITS_STAT_STRUCT_H */
diff --git a/libc/sysdeps/linux/frv/bits/kernel_types.h b/libc/sysdeps/linux/frv/bits/kernel_types.h
new file mode 100644
index 000000000..3d3f6304c
--- /dev/null
+++ b/libc/sysdeps/linux/frv/bits/kernel_types.h
@@ -0,0 +1,43 @@
+/* Note that we use the exact same include guard #define names
+ * as asm/posix_types.h. This will avoid gratuitous conflicts
+ * with the posix_types.h kernel header, and will ensure that
+ * our private content, and not the kernel header, will win.
+ * -Erik
+ */
+#ifndef _ASM_POSIX_TYPES_H
+#define _ASM_POSIX_TYPES_H
+
+typedef unsigned short __kernel_dev_t;
+typedef unsigned long __kernel_ino_t;
+typedef unsigned short __kernel_mode_t;
+typedef unsigned short __kernel_nlink_t;
+typedef long __kernel_off_t;
+typedef int __kernel_pid_t;
+typedef unsigned short __kernel_ipc_pid_t;
+typedef unsigned short __kernel_uid_t;
+typedef unsigned short __kernel_gid_t;
+typedef unsigned int __kernel_size_t;
+typedef int __kernel_ssize_t;
+typedef int __kernel_ptrdiff_t;
+typedef long __kernel_time_t;
+typedef long __kernel_suseconds_t;
+typedef long __kernel_clock_t;
+typedef int __kernel_daddr_t;
+typedef char * __kernel_caddr_t;
+typedef unsigned short __kernel_uid16_t;
+typedef unsigned short __kernel_gid16_t;
+typedef unsigned int __kernel_uid32_t;
+typedef unsigned int __kernel_gid32_t;
+typedef unsigned short __kernel_old_uid_t;
+typedef unsigned short __kernel_old_gid_t;
+typedef long long __kernel_loff_t;
+
+typedef struct {
+#ifdef __USE_ALL
+ int val[2];
+#else
+ int __val[2];
+#endif
+} __kernel_fsid_t;
+
+#endif /* _ASM_POSIX_TYPES_H */
diff --git a/libc/sysdeps/linux/frv/bits/mman.h b/libc/sysdeps/linux/frv/bits/mman.h
new file mode 100644
index 000000000..9e87f804c
--- /dev/null
+++ b/libc/sysdeps/linux/frv/bits/mman.h
@@ -0,0 +1,75 @@
+/* Definitions for POSIX memory map interface. Linux/frv version.
+ Copyright (C) 1997 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _SYS_MMAN_H
+# error "Never use <bits/mman.h> directly; include <sys/mman.h> instead."
+#endif
+
+/* The following definitions basically come from the kernel headers.
+ But the kernel header is not namespace clean. */
+
+
+/* Protections are chosen from these bits, OR'd together. The
+ implementation does not necessarily support PROT_EXEC or PROT_WRITE
+ without PROT_READ. The only guarantees are that no writing will be
+ allowed without PROT_WRITE and no access will be allowed for PROT_NONE. */
+
+#define PROT_READ 0x1 /* Page can be read. */
+#define PROT_WRITE 0x2 /* Page can be written. */
+#define PROT_EXEC 0x4 /* Page can be executed. */
+#define PROT_NONE 0x0 /* Page can not be accessed. */
+
+/* Sharing types (must choose one and only one of these). */
+#define MAP_SHARED 0x01 /* Share changes. */
+#define MAP_PRIVATE 0x02 /* Changes are private. */
+#ifdef __USE_MISC
+# define MAP_TYPE 0x0f /* Mask for type of mapping. */
+#endif
+
+/* Other flags. */
+#define MAP_FIXED 0x10 /* Interpret addr exactly. */
+#ifdef __USE_MISC
+# define MAP_FILE 0
+# define MAP_ANONYMOUS 0x20 /* Don't use a file. */
+# define MAP_ANON MAP_ANONYMOUS
+#endif
+
+/* These are Linux-specific. */
+#ifdef __USE_MISC
+# define MAP_GROWSDOWN 0x0100 /* Stack-like segment. */
+# define MAP_DENYWRITE 0x0800 /* ETXTBSY */
+# define MAP_EXECUTABLE 0x1000 /* Mark it as an executable. */
+# define MAP_LOCKED 0x2000 /* Lock the mapping. */
+# define MAP_NORESERVE 0x4000 /* Don't check for reservations. */
+#endif
+
+/* Flags to `msync'. */
+#define MS_ASYNC 1 /* Sync memory asynchronously. */
+#define MS_SYNC 4 /* Synchronous memory sync. */
+#define MS_INVALIDATE 2 /* Invalidate the caches. */
+
+/* Flags for `mlockall'. */
+#define MCL_CURRENT 1 /* Lock all currently mapped pages. */
+#define MCL_FUTURE 2 /* Lock all additions to address
+ space. */
+
+/* Flags for `mremap'. */
+#ifdef __USE_GNU
+# define MREMAP_MAYMOVE 1
+#endif
diff --git a/libc/sysdeps/linux/frv/bits/setjmp.h b/libc/sysdeps/linux/frv/bits/setjmp.h
new file mode 100644
index 000000000..5c20c4f54
--- /dev/null
+++ b/libc/sysdeps/linux/frv/bits/setjmp.h
@@ -0,0 +1,53 @@
+/* Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Define the machine-dependent type `jmp_buf'. FRV version. */
+
+#ifndef _SETJMP_H
+# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
+#endif
+
+#define __SETJMP_NUM_INT 32 /* number of integer registers to save */
+#define __SETJMP_NUM_DBL 32 /* number of double registers to save */
+
+#define __SETJMP_INT(x) (x)
+#define __SETJMP_DBL(x) (__SETJMP_NUM_INT+(x))
+#define __SETJMP_LR (__SETJMP_NUM_INT+__SETJMP_NUM_DBL)
+#define __SETJMP_SP (__SETJMP_LR+1)
+#define __SETJMP_FP (__SETJMP_SP+1)
+
+
+#ifndef _ASM
+typedef struct
+/* Demand 64-bit alignment such that we can use std/ldd in
+ setjmp/longjmp. */
+__attribute__((__aligned__(8)))
+ {
+ /* Callee-saved registers. */
+ unsigned long __ints[__SETJMP_NUM_INT]; /* integer registers */
+ unsigned long __dbls[__SETJMP_NUM_DBL]; /* double registers */
+ unsigned long __lr; /* linkage register */
+ unsigned long __sp; /* stack pointer */
+ unsigned long __fp; /* frame pointer */
+ } __jmp_buf[1];
+#endif
+
+/* Test if longjmp to JMPBUF would unwind the frame
+ containing a local variable at ADDRESS. */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+ ((unsigned long) (address) < (jmpbuf)->__sp)
diff --git a/libc/sysdeps/linux/frv/bits/stackinfo.h b/libc/sysdeps/linux/frv/bits/stackinfo.h
new file mode 100644
index 000000000..03412e009
--- /dev/null
+++ b/libc/sysdeps/linux/frv/bits/stackinfo.h
@@ -0,0 +1,28 @@
+/* Copyright (C) 2001 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+/* This file contains a bit of information about the stack allocation
+ of the processor. */
+
+#ifndef _STACKINFO_H
+#define _STACKINFO_H 1
+
+/* On FRV the stack grows down. */
+#define _STACK_GROWS_DOWN 1
+
+#endif /* stackinfo.h */
diff --git a/libc/sysdeps/linux/frv/bits/syscalls.h b/libc/sysdeps/linux/frv/bits/syscalls.h
new file mode 100644
index 000000000..552f7e7c4
--- /dev/null
+++ b/libc/sysdeps/linux/frv/bits/syscalls.h
@@ -0,0 +1,129 @@
+#ifndef _BITS_SYSCALLS_H
+#define _BITS_SYSCALLS_H
+#ifndef _SYSCALL_H
+# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
+#endif
+
+/* This includes the `__NR_<name>' syscall numbers taken from the Linux kernel
+ * header files. It also defines the traditional `SYS_<name>' macros for older
+ * programs. */
+#include <bits/sysnum.h>
+
+#ifndef __set_errno
+# define __set_errno(val) ((*__errno_location ()) = (val))
+#endif
+#ifndef SYS_ify
+# define SYS_ify(syscall_name) (__NR_##syscall_name)
+#endif
+
+#ifndef __ASSEMBLER__
+
+/* user-visible error numbers are in the range -1 - -4095: see <asm-frv/errno.h> */
+#define __syscall_return(type, res) \
+do { \
+ unsigned long __sr2 = (res); \
+ if ((unsigned long)(__sr2) >= (unsigned long)(-4095)) { \
+ __set_errno (-(__sr2)); \
+ __sr2 = -1; \
+ } \
+ return (type) (__sr2); \
+} while (0)
+
+/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
+
+#define _syscall0(type,name) \
+type name(void) \
+{ \
+register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
+register unsigned long __sc0 __asm__ ("gr8"); \
+__asm__ __volatile__ ("tra gr0,gr0" \
+ : "=r" (__sc0) \
+ : "r" (__scnum)); \
+__syscall_return(type,__sc0); \
+}
+
+#define _syscall1(type,name,type1,arg1) \
+type name(type1 arg1) \
+{ \
+register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
+register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
+__asm__ __volatile__ ("tra gr0,gr0" \
+ : "+r" (__sc0) \
+ : "r" (__scnum)); \
+__syscall_return(type,__sc0); \
+}
+
+#define _syscall2(type,name,type1,arg1,type2,arg2) \
+type name(type1 arg1,type2 arg2) \
+{ \
+register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
+register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
+register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
+__asm__ __volatile__ ("tra gr0,gr0" \
+ : "+r" (__sc0) \
+ : "r" (__scnum), "r" (__sc1)); \
+__syscall_return(type,__sc0); \
+}
+
+#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
+type name(type1 arg1,type2 arg2,type3 arg3) \
+{ \
+register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
+register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
+register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
+register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \
+__asm__ __volatile__ ("tra gr0,gr0" \
+ : "+r" (__sc0) \
+ : "r" (__scnum), "r" (__sc1), "r" (__sc2)); \
+__syscall_return(type,__sc0); \
+}
+
+#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
+{ \
+register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
+register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
+register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
+register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \
+register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \
+__asm__ __volatile__ ("tra gr0,gr0" \
+ : "+r" (__sc0) \
+ : "r" (__scnum), "r" (__sc1), "r" (__sc2), "r" (__sc3)); \
+__syscall_return(type,__sc0); \
+}
+
+#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \
+{ \
+register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
+register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
+register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
+register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \
+register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \
+register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5; \
+__asm__ __volatile__ ("tra gr0,gr0" \
+ : "+r" (__sc0) \
+ : "r" (__scnum), "r" (__sc1), "r" (__sc2), \
+ "r" (__sc3), "r" (__sc4)); \
+__syscall_return(type,__sc0); \
+}
+
+#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5, type6, arg6) \
+type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \
+{ \
+register unsigned long __scnum __asm__ ("gr7") = (__NR_##name); \
+register unsigned long __sc0 __asm__ ("gr8") = (unsigned long) arg1; \
+register unsigned long __sc1 __asm__ ("gr9") = (unsigned long) arg2; \
+register unsigned long __sc2 __asm__ ("gr10") = (unsigned long) arg3; \
+register unsigned long __sc3 __asm__ ("gr11") = (unsigned long) arg4; \
+register unsigned long __sc4 __asm__ ("gr12") = (unsigned long) arg5; \
+register unsigned long __sc5 __asm__ ("gr13") = (unsigned long) arg6; \
+__asm__ __volatile__ ("tra gr0,gr0" \
+ : "+r" (__sc0) \
+ : "r" (__scnum), "r" (__sc1), "r" (__sc2), \
+ "r" (__sc3), "r" (__sc4), "r" (__sc5)); \
+__syscall_return(type,__sc0); \
+}
+
+#endif /* __ASSEMBLER__ */
+#endif /* _BITS_SYSCALLS_H */
diff --git a/libc/sysdeps/linux/frv/bits/wordsize.h b/libc/sysdeps/linux/frv/bits/wordsize.h
new file mode 100644
index 000000000..ba643b60a
--- /dev/null
+++ b/libc/sysdeps/linux/frv/bits/wordsize.h
@@ -0,0 +1,19 @@
+/* Copyright (C) 1999 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#define __WORDSIZE 32