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2.5-18.1

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This commit is contained in:
Jakub Jelinek
2007-07-12 18:26:36 +00:00
parent 7d58530341
commit 0ecb606cb6
6215 changed files with 494638 additions and 305010 deletions
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8
sysdeps/unix/sysv/linux/sh/Dist
View File

@ -1,8 +0,0 @@
clone.S
pipe.S
setresuid.c
setresgid.c
setfsuid.c
setfsgid.c
sys/io.h
sys/user.h

4
sysdeps/unix/sysv/linux/sh/Makefile
View File

@ -5,3 +5,7 @@ endif
ifeq ($(subdir),misc)
sysdep_headers += sys/io.h
endif
ifeq ($(subdir),stdlib)
gen-as-const-headers += ucontext_i.sym
endif

106
sysdeps/unix/sysv/linux/sh/bits/fcntl.h
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@ -1,5 +1,5 @@
/* O_*, F_*, FD_* bit values for Linux.
Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004
Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@ -22,8 +22,11 @@
# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
#endif
#include <sys/types.h>
#ifdef __USE_GNU
# include <bits/uio.h>
#endif
/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
located on an ext2 file system */
@ -43,18 +46,18 @@
#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_DIRECT 040000 /* Direct disk access. */
# define O_DIRECTORY 0200000 /* Must be a directory. */
# define O_NOFOLLOW 0400000 /* Do not follow links. */
# define O_NOATIME 01000000 /* Do not set atime. */
#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. */
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. */
# define O_RSYNC O_SYNC /* Synchronize read operations. */
#endif
#ifdef __USE_LARGEFILE64
@ -70,15 +73,15 @@
#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). */
# define F_SETLKW 7 /* Set record locking info (blocking). */
#else
# define F_GETLK F_GETLK64 /* Get record locking info. */
# 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). */
#define F_SETLKW64 14 /* Set record locking info (blocking). */
#if defined __USE_BSD || defined __USE_UNIX98
# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
@ -90,20 +93,26 @@
# define F_GETSIG 11 /* Get number of signal to be sent. */
#endif
/* For F_[GET|SET]FL. */
#ifdef __USE_GNU
# define F_SETLEASE 1024 /* Set a lease. */
# define F_GETLEASE 1025 /* Enquire what lease is active. */
# define F_NOTIFY 1026 /* Request notfications on a directory. */
#endif
/* For F_[GET|SET]FD. */
#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. */
#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. */
/* 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
@ -111,9 +120,27 @@
# define LOCK_UN 8 /* remove lock */
#endif
#ifdef __USE_GNU
# define LOCK_MAND 32 /* This is a mandatory flock: */
# define LOCK_READ 64 /* ... which allows concurrent read operations. */
# define LOCK_WRITE 128 /* ... which allows concurrent write operations. */
# define LOCK_RW 192 /* ... Which allows concurrent read & write operations. */
#endif
#ifdef __USE_GNU
/* Types of directory notifications that may be requested with F_NOTIFY. */
# define DN_ACCESS 0x00000001 /* File accessed. */
# define DN_MODIFY 0x00000002 /* File modified. */
# define DN_CREATE 0x00000004 /* File created. */
# define DN_DELETE 0x00000008 /* File removed. */
# define DN_RENAME 0x00000010 /* File renamed. */
# define DN_ATTRIB 0x00000020 /* File changed attibutes. */
# define DN_MULTISHOT 0x80000000 /* Don't remove notifier. */
#endif
struct flock
{
short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
short int l_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. */
@ -128,7 +155,7 @@ struct flock
#ifdef __USE_LARGEFILE64
struct flock64
{
short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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. */
@ -150,16 +177,61 @@ struct flock64
#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_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
#ifdef __USE_GNU
/* Flags for SYNC_FILE_RANGE. */
# define SYNC_FILE_RANGE_WAIT_BEFORE 1 /* Wait upon writeout of all pages
in the range before performing the
write. */
# define SYNC_FILE_RANGE_WRITE 2 /* Initiate writeout of all those
dirty pages in the range which are
not presently under writeback. */
# define SYNC_FILE_RANGE_WAIT_AFTER 4 /* Wait upon writeout of all pages in
the range after performing the
write. */
/* Flags for SPLICE and VMSPLICE. */
# define SPLICE_F_MOVE 1 /* Move pages instead of copying. */
# define SPLICE_F_NONBLOCK 2 /* Don't block on the pipe splicing
(but we may still block on the fd
we splice from/to). */
# define SPLICE_F_MORE 4 /* Expect more data. */
# define SPLICE_F_GIFT 8 /* Pages passed in are a gift. */
#endif
__BEGIN_DECLS
#ifdef __USE_GNU
/* Provide kernel hint to read ahead. */
extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
__THROW;
/* Selective file content synch'ing. */
extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
unsigned int __flags);
/* Splice address range into a pipe. */
extern int vmsplice (int __fdout, const struct iovec *__iov, size_t __count,
unsigned int __flags);
/* Splice two files together. */
extern int splice (int __fdin, __off64_t *__offin, int __fdout,
__off64_t *__offout, size_t __len, unsigned int __flags)
__THROW;
/* In-kernel implementation of tee for pipe buffers. */
extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
__THROW;
#endif
__END_DECLS

8
sysdeps/unix/sysv/linux/sh/bits/mman.h
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@ -1,5 +1,5 @@
/* Definitions for POSIX memory map interface. Linux/SH version.
Copyright (C) 1997, 1999, 2000, 2003 Free Software Foundation, Inc.
Copyright (C) 1997,1999,2000,2003,2005,2006 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
@ -61,6 +61,8 @@
# 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. */
# define MAP_POPULATE 0x8000 /* Populate (prefault) pagetables. */
# define MAP_NONBLOCK 0x10000 /* Do not block on IO. */
#endif
/* Flags to `msync'. */
@ -76,6 +78,7 @@
/* Flags for `mremap'. */
#ifdef __USE_GNU
# define MREMAP_MAYMOVE 1
# define MREMAP_FIXED 2
#endif
/* Advice to `madvise'. */
@ -85,6 +88,9 @@
# define MADV_SEQUENTIAL 2 /* Expect sequential page references. */
# define MADV_WILLNEED 3 /* Will need these pages. */
# define MADV_DONTNEED 4 /* Don't need these pages. */
# define MADV_REMOVE 9 /* Remove these pages and resources. */
# define MADV_DONTFORK 10 /* Do not inherit across fork. */
# define MADV_DOFORK 11 /* Do inherit across fork. */
#endif
/* The POSIX people had to invent similar names for the same things. */

70
sysdeps/unix/sysv/linux/sh/chown.c
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@ -1 +1,69 @@
#include <sysdeps/unix/sysv/linux/m68k/chown.c>
/* Copyright (C) 1998,2000,2002,2003,2006 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. */
#include <errno.h>
#include <unistd.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <linux/posix_types.h>
#include <kernel-features.h>
#ifdef __NR_chown32
# if __ASSUME_32BITUIDS == 0
/* This variable is shared with all files that need to check for 32bit
uids. */
extern int __libc_missing_32bit_uids;
# endif
#endif /* __NR_chown32 */
int
__chown (const char *file, uid_t owner, gid_t group)
{
#if __ASSUME_32BITUIDS > 0
return INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
#else
# ifdef __NR_chown32
if (__libc_missing_32bit_uids <= 0)
{
int result;
int saved_errno = errno;
result = INLINE_SYSCALL (chown32, 3, CHECK_STRING (file), owner, group);
if (result == 0 || errno != ENOSYS)
return result;
__set_errno (saved_errno);
__libc_missing_32bit_uids = 1;
}
# endif /* __NR_chown32 */
if (((owner + 1) > (gid_t) ((__kernel_uid_t) -1U))
|| ((group + 1) > (gid_t) ((__kernel_gid_t) -1U)))
{
__set_errno (EINVAL);
return -1;
}
return INLINE_SYSCALL (chown, 3, CHECK_STRING (file), owner, group);
#endif
}
libc_hidden_def (__chown)
weak_alias (__chown, chown)

1
sysdeps/unix/sysv/linux/sh/fchownat.c Normal file
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@ -0,0 +1 @@
#include <sysdeps/unix/sysv/linux/i386/fchownat.c>

1
sysdeps/unix/sysv/linux/sh/fxstatat.c Normal file
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@ -0,0 +1 @@
#include <sysdeps/unix/sysv/linux/i386/fxstatat.c>

145
sysdeps/unix/sysv/linux/sh/makecontext.S Normal file
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@ -0,0 +1,145 @@
/* Create new context.
Copyright (C) 2005 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. */
#include <sysdep.h>
#include "ucontext_i.h"
/* void __makecontext (struct ucontext *ucp, void (*func)(), int argc, ...);
__makecontext sets up a stack and registers for context to run a given
function. The registers are set up like this:
r4-r7: parameters 1 to 4
r8 : uc_link from ucontext structure
pc : (*func) pointer
pr : address of exitcode
r15 : stack pointer for func. */
.text
.align 5
ENTRY(__makecontext)
mov #4, r3
mov.l @(oSS_SP,r4), r1
mov.l @(oSS_SIZE,r4), r2
add r1, r2
cmp/gt r6, r3
bf/s 1f
shlr2 r2
sub r6, r2
add r3, r2
1:
shll2 r2
mov #oR15, r0
mov.l @(oLINK,r4), r1
mov.l r2, @(r0,r4)
mov.l r1, @(oR8,r4)
mov #oPC, r0
mov.l r5, @(r0,r4)
cmp/pl r6
bf/s .L1
dt r6
mov.l r7, @(oR4,r4)
cmp/pl r6
bf/s .L1
dt r6
mov.l @(0,r15), r1
mov.l r1, @(oR5,r4)
cmp/pl r6
bf/s .L1
dt r6
mov.l @(4,r15), r1
mov.l r1, @(oR6,r4)
cmp/pl r6
bf/s .L1
dt r6
mov.l @(8,r15), r1
mov.l r1, @(oR7,r4)
mov #12,r0
.L0:
cmp/pl r6
bf/s .L1
dt r6
mov.l @(r0,r15), r1
mov.l r1, @r2
add #4, r0
bra .L0
add #4, r2
.L1:
#ifdef PIC
mova .Lexitcode, r0
#else
mov.l .L2, r0
#endif
add #oPR, r4
rts
mov.l r0, @r4
#ifndef PIC
.align 2
.L2:
.long .Lexitcode
#endif
cfi_endproc
.align 5
.Lexitcode:
tst r8, r8
bt/s 2f
mov r8, r4
#ifdef PIC
mova .Lgot, r0
mov.l .Lgot, r12
add r0, r12
mov.l .L3, r1
bsrf r1
.LPCS0:
nop
#else
mov.l .L3, r1
jsr @r1
nop
#endif
2:
mov.l .L4, r1
#ifdef PIC
add r12, r1
#endif
jsr @r1
mov r0, r4
0:
bra 0b
nop
.align 2
#ifdef PIC
.Lgot:
.long _GLOBAL_OFFSET_TABLE_
.L3:
.long __setcontext@PLT-(.LPCS0+2-(.))
.L4:
.long HIDDEN_JUMPTARGET(exit)@GOTOFF
#else
.L3:
.long __setcontext
.L4:
.long HIDDEN_JUMPTARGET(exit)
#endif
cfi_startproc
PSEUDO_END(__makecontext)
weak_alias (__makecontext, makecontext)

96
sysdeps/unix/sysv/linux/sh/pread.c
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@ -1,3 +1,93 @@
#define NO_SGIDEFS_H
#define _MIPS_SIM -1
#include <sysdeps/unix/sysv/linux/mips/pread.c>
/* Copyright (C) 1997, 1998, 2000, 2002, 2003, 2004, 2006
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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. */
#include <assert.h>
#include <errno.h>
#include <unistd.h>
#include <endian.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <kernel-features.h>
#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */
# ifdef __NR_pread
# error "__NR_pread and __NR_pread64 both defined???"
# endif
# define __NR_pread __NR_pread64
#endif
#if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0
# if __ASSUME_PREAD_SYSCALL == 0
static ssize_t __emulate_pread (int fd, void *buf, size_t count,
off_t offset) internal_function;
# endif
ssize_t
__libc_pread (fd, buf, count, offset)
int fd;
void *buf;
size_t count;
off_t offset;
{
ssize_t result;
if (SINGLE_THREAD_P)
{
/* First try the syscall. */
result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR (offset >> 31, offset));
# if __ASSUME_PREAD_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use the emulation. */
result = __emulate_pread (fd, buf, count, offset);
# endif
return result;
}
int oldtype = LIBC_CANCEL_ASYNC ();
/* First try the syscall. */
result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR (offset >> 31, offset));
# if __ASSUME_PREAD_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use the emulation. */
result = __emulate_pread (fd, buf, count, offset);
# endif
LIBC_CANCEL_RESET (oldtype);
return result;
}
strong_alias (__libc_pread, __pread)
weak_alias (__libc_pread, pread)
# define __libc_pread(fd, buf, count, offset) \
static internal_function __emulate_pread (fd, buf, count, offset)
#endif
#if __ASSUME_PREAD_SYSCALL == 0
# include <sysdeps/posix/pread.c>
#endif

97
sysdeps/unix/sysv/linux/sh/pread64.c
View File

@ -1,3 +1,94 @@
#define NO_SGIDEFS_H
#define _MIPS_SIM -1
#include <sysdeps/unix/sysv/linux/mips/pread64.c>
/* Copyright (C) 1997, 1998, 2000, 2002, 2003, 2004, 2006
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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. */
#include <errno.h>
#include <unistd.h>
#include <endian.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <kernel-features.h>
#ifdef __NR_pread64 /* Newer kernels renamed but it's the same. */
# ifdef __NR_pread
# error "__NR_pread and __NR_pread64 both defined???"
# endif
# define __NR_pread __NR_pread64
#endif
#if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0
# if __ASSUME_PREAD_SYSCALL == 0
static ssize_t __emulate_pread64 (int fd, void *buf, size_t count,
off64_t offset) internal_function;
# endif
ssize_t
__libc_pread64 (fd, buf, count, offset)
int fd;
void *buf;
size_t count;
off64_t offset;
{
ssize_t result;
if (SINGLE_THREAD_P)
{
/* First try the syscall. */
result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
# if __ASSUME_PREAD_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use the emulation. */
result = __emulate_pread64 (fd, buf, count, offset);
# endif
return result;
}
int oldtype = LIBC_CANCEL_ASYNC ();
/* First try the syscall. */
result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
# if __ASSUME_PREAD_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use the emulation. */
result = __emulate_pread64 (fd, buf, count, offset);
# endif
LIBC_CANCEL_RESET (oldtype);
return result;
}
weak_alias (__libc_pread64, __pread64)
weak_alias (__libc_pread64, pread64)
# define __libc_pread64(fd, buf, count, offset) \
static internal_function __emulate_pread64 (fd, buf, count, offset)
#endif
#if __ASSUME_PREAD_SYSCALL == 0
# include <sysdeps/posix/pread64.c>
#endif

96
sysdeps/unix/sysv/linux/sh/pwrite.c
View File

@ -1,3 +1,93 @@
#define NO_SGIDEFS_H
#define _MIPS_SIM -1
#include <sysdeps/unix/sysv/linux/mips/pwrite.c>
/* Copyright (C) 1997, 1998, 2000, 2002, 2003, 2004, 2006
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
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. */
#include <assert.h>
#include <errno.h>
#include <unistd.h>
#include <endian.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <kernel-features.h>
#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */
# ifdef __NR_pwrite
# error "__NR_pwrite and __NR_pwrite64 both defined???"
# endif
# define __NR_pwrite __NR_pwrite64
#endif
#if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
# if __ASSUME_PWRITE_SYSCALL == 0
static ssize_t __emulate_pwrite (int fd, const void *buf, size_t count,
off_t offset) internal_function;
# endif
ssize_t
__libc_pwrite (fd, buf, count, offset)
int fd;
const void *buf;
size_t count;
off_t offset;
{
ssize_t result;
if (SINGLE_THREAD_P)
{
/* First try the syscall. */
result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR (offset >> 31, offset));
# if __ASSUME_PWRITE_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use the emulation. */
result = __emulate_pwrite (fd, buf, count, offset);
# endif
return result;
}
int oldtype = LIBC_CANCEL_ASYNC ();
/* First try the syscall. */
result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR (offset >> 31, offset));
# if __ASSUME_PWRITE_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use the emulation. */
result = __emulate_pwrite (fd, buf, count, offset);
# endif
LIBC_CANCEL_RESET (oldtype);
return result;
}
strong_alias (__libc_pwrite, __pwrite)
weak_alias (__libc_pwrite, pwrite)
# define __libc_pwrite(fd, buf, count, offset) \
static internal_function __emulate_pwrite (fd, buf, count, offset)
#endif
#if __ASSUME_PWRITE_SYSCALL == 0
# include <sysdeps/posix/pwrite.c>
#endif

99
sysdeps/unix/sysv/linux/sh/pwrite64.c
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@ -1,3 +1,96 @@
#define NO_SGIDEFS_H
#define _MIPS_SIM -1
#include <sysdeps/unix/sysv/linux/mips/pwrite64.c>
/* Copyright (C) 1997, 1998, 2000, 2002, 2003, 2004, 2006
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ralf Baechle <ralf@gnu.org>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <unistd.h>
#include <endian.h>
#include <sysdep-cancel.h>
#include <sys/syscall.h>
#include <bp-checks.h>
#include <kernel-features.h>
#ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */
# ifdef __NR_pwrite
# error "__NR_pwrite and __NR_pwrite64 both defined???"
# endif
# define __NR_pwrite __NR_pwrite64
#endif
#if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
# if __ASSUME_PWRITE_SYSCALL == 0
static ssize_t __emulate_pwrite64 (int fd, const void *buf, size_t count,
off64_t offset) internal_function;
# endif
ssize_t
__libc_pwrite64 (fd, buf, count, offset)
int fd;
const void *buf;
size_t count;
off64_t offset;
{
ssize_t result;
if (SINGLE_THREAD_P)
{
/* First try the syscall. */
result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
# if __ASSUME_PWRITE_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use the emulation. */
result = __emulate_pwrite64 (fd, buf, count, offset);
# endif
return result;
}
int oldtype = LIBC_CANCEL_ASYNC ();
/* First try the syscall. */
result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0,
__LONG_LONG_PAIR ((off_t) (offset >> 32),
(off_t) (offset & 0xffffffff)));
# if __ASSUME_PWRITE_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use the emulation. */
result = __emulate_pwrite64 (fd, buf, count, offset);
# endif
LIBC_CANCEL_RESET (oldtype);
return result;
}
weak_alias (__libc_pwrite64, __pwrite64)
libc_hidden_weak (__pwrite64)
weak_alias (__libc_pwrite64, pwrite64)
# define __libc_pwrite64(fd, buf, count, offset) \
static internal_function __emulate_pwrite64 (fd, buf, count, offset)
#endif
#if __ASSUME_PWRITE_SYSCALL == 0
# include <sysdeps/posix/pwrite64.c>
#endif

88
sysdeps/unix/sysv/linux/sh/sh3/getcontext.S Normal file
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/* Save current context.
Copyright (C) 2005 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. */
#include <sysdep.h>
#include "ucontext_i.h"
/* int __getcontext (ucontext_t *uc); */
.text
.align 5
ENTRY(__getcontext)
/* Return value of getcontext. R0 is the only register whose
value is not preserved. */
mov #0, r0
mov.l r0, @(oR0,r4)
mov.l r1, @(oR1,r4)
mov.l r2, @(oR2,r4)
mov.l r3, @(oR3,r4)
mov.l r4, @(oR4,r4)
mov.l r5, @(oR5,r4)
mov.l r6, @(oR6,r4)
mov.l r7, @(oR7,r4)
mov r4, r0
add #(oMACL+4), r0
sts.l macl, @-r0
sts.l mach, @-r0
stc.l gbr, @-r0
/* Save T flag to SR. */
movt r1
mov.l r1, @-r0
sts.l pr, @-r0
/* The return address of getcontext is the restart pc. */
sts.l pr, @-r0
mov.l r15, @-r0
mov.l r14, @-r0
mov.l r13, @-r0
mov.l r12, @-r0
mov.l r11, @-r0
mov.l r10, @-r0
mov.l r9, @-r0
mov.l r8, @-r0
/* sigprocmask (SIG_BLOCK, NULL, &uc->uc_sigmask). */
mov r4, r6
add #oSIGMASK, r6
mov #SIG_BLOCK, r4
mov #0, r5
mov #+SYS_ify(sigprocmask), r3
trapa #0x13
mov r0, r1
mov #-12, r2
shad r2, r1
not r1, r1 // r1=0 means r0 = -1 to -4095
tst r1, r1 // i.e. error in linux
bf .Lgetcontext_end
.Lsyscall_error:
SYSCALL_ERROR_HANDLER
.Lgetcontext_end:
/* All done, return 0 for success. */
mov #0, r0
.Lpseudo_end:
rts
nop
PSEUDO_END(__getcontext)
weak_alias (__getcontext, getcontext)

99
sysdeps/unix/sysv/linux/sh/sh3/setcontext.S Normal file
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@ -0,0 +1,99 @@
/* Install given context.
Copyright (C) 2005 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. */
#include <sysdep.h>
#include "ucontext_i.h"
/* int __setcontext (const ucontext_t *uc); */
.text
.align 5
ENTRY(__setcontext)
mov r4, r8
/* sigprocmask (SIG_SETMASK, &uc->uc_sigmask, NULL). */
mov r4, r5
add #oSIGMASK, r5
mov #SIG_SETMASK, r4
mov #0, r6
mov #+SYS_ify(sigprocmask), r3
trapa #0x13
mov r0, r1
mov #-12, r2
shad r2, r1
not r1, r1 // r1=0 means r0 = -1 to -4095
tst r1, r1 // i.e. error in linux
bf .Lsetcontext_restore
.Lsyscall_error:
SYSCALL_ERROR_HANDLER
.Lpseudo_end:
rts
nop
.Lsetcontext_restore:
mov r8, r0
add #(oPC), r0
mov.l @r0+, r2
lds.l @r0+, pr
/* Restore T frag. */
mov.l @r0+, r1
shlr r1
/* Skip GBR which is used for thread pointer. */
add #4, r0
lds.l @r0+, mach
lds.l @r0+, macl
mov r8, r0
add #(oR9), r0
mov.l @r0+, r9
mov.l @r0+, r10
mov.l @r0+, r11
mov.l @r0+, r12
mov.l @r0+, r13
mov.l @r0+, r14
mov.l @r0+, r15
mov r8, r0
mov.l @(oR0,r0), r1
mov.l r1, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r1, 0)
mov.l r2, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r2, 0)
mov.l @(oR1,r0), r1
mov.l @(oR2,r0), r2
mov.l @(oR3,r0), r3
mov.l @(oR4,r0), r4
mov.l @(oR5,r0), r5
mov.l @(oR6,r0), r6
mov.l @(oR7,r0), r7
mov.l @(oR8,r0), r8
mov.l @r15+, r0
jmp @r0
mov.l @r15+, r0
PSEUDO_END(__setcontext)
weak_alias (__setcontext, setcontext)

132
sysdeps/unix/sysv/linux/sh/sh3/swapcontext.S Normal file
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/* Save current context and install the given one.
Copyright (C) 2005 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. */
#include <sysdep.h>
#include "ucontext_i.h"
/* int __swapcontext (ucontext_t *ouc, const ucontext_t *uc); */
.text
.align 5
ENTRY(__swapcontext)
/* Return value of getcontext. R0 is the only register whose
value is not preserved. */
mov #0, r0
mov.l r0, @(oR0,r4)
mov.l r1, @(oR1,r4)
mov.l r2, @(oR2,r4)
mov.l r3, @(oR3,r4)
mov.l r4, @(oR4,r4)
mov.l r5, @(oR5,r4)
mov.l r6, @(oR6,r4)
mov.l r7, @(oR7,r4)
mov r4, r0
add #(oMACL+4), r0
sts.l macl, @-r0
sts.l mach, @-r0
stc.l gbr, @-r0
/* Save T flag to SR. */
movt r1
mov.l r1, @-r0
sts.l pr, @-r0
/* The return address of getcontext is the restart pc. */
sts.l pr, @-r0
mov.l r15, @-r0
mov.l r14, @-r0
mov.l r13, @-r0
mov.l r12, @-r0
mov.l r11, @-r0
mov.l r10, @-r0
mov.l r9, @-r0
mov.l r8, @-r0
mov r5, r8
/* sigprocmask (SIG_SETMASK, &uc->uc_sigmask, &ouc->uc_sigmask). */
add #oSIGMASK, r5
mov r4, r6
add #oSIGMASK, r6
mov #SIG_SETMASK, r4
mov #+SYS_ify(sigprocmask), r3
trapa #0x13
mov r0, r1
mov #-12, r2
shad r2, r1
not r1, r1 // r1=0 means r0 = -1 to -4095
tst r1, r1 // i.e. error in linux
bf .Lswapcontext_restore
.Lsyscall_error:
SYSCALL_ERROR_HANDLER
.Lpseudo_end:
rts
nop
.Lswapcontext_restore:
mov r8, r0
add #(oPC), r0
mov.l @r0+, r2
lds.l @r0+, pr
/* Restore T frag. */
mov.l @r0+, r1
shlr r1
/* Skip GBR which is used for thread pointer. */
add #4, r0
lds.l @r0+, mach
lds.l @r0+, macl
mov r8, r0
add #(oR9), r0
mov.l @r0+, r9
mov.l @r0+, r10
mov.l @r0+, r11
mov.l @r0+, r12
mov.l @r0+, r13
mov.l @r0+, r14
mov.l @r0+, r15
mov r8, r0
mov.l @(oR0,r0), r1
mov.l r1, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r1, 0)
mov.l r2, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r2, 0)
mov.l @(oR1,r0), r1
mov.l @(oR2,r0), r2
mov.l @(oR3,r0), r3
mov.l @(oR4,r0), r4
mov.l @(oR5,r0), r5
mov.l @(oR6,r0), r6
mov.l @(oR7,r0), r7
mov.l @(oR8,r0), r8
mov.l @r15+, r0
jmp @r0
mov.l @r15+, r0
PSEUDO_END(__swapcontext)
weak_alias (__swapcontext, swapcontext)

102
sysdeps/unix/sysv/linux/sh/sh3/sys/ucontext.h Normal file
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@ -0,0 +1,102 @@
/* Copyright (C) 1999, 2000, 2001, 2005 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. */
/* Where is System V/SH ABI? */
#ifndef _SYS_UCONTEXT_H
#define _SYS_UCONTEXT_H 1
#include <features.h>
#include <signal.h>
/* We need the signal context definitions even if they are not used
included in <signal.h>. */
#include <bits/sigcontext.h>
typedef int greg_t;
/* Number of general registers. */
#define NFPREG 16
/* Container for all general registers. */
typedef greg_t gregset_t[NFPREG];
#ifdef __USE_GNU
/* Number of each register is the `gregset_t' array. */
enum
{
R0 = 0,
#define R0 R0
R1 = 1,
#define R1 R1
R2 = 2,
#define R2 R2
R3 = 3,
#define R3 R3
R4 = 4,
#define R4 R4
R5 = 5,
#define R5 R5
R6 = 6,
#define R6 R6
R7 = 7,
#define R7 R7
R8 = 8,
#define R8 R8
R9 = 9,
#define R9 R9
R10 = 10,
#define R10 R10
R11 = 11,
#define R11 R11
R12 = 12,
#define R12 R12
R13 = 13,
#define R13 R13
R14 = 14,
#define R14 R14
R15 = 15,
#define R15 R15
};
#endif
/* Context to describe whole processor state. */
typedef struct
{
unsigned int oldmask;
gregset_t gregs;
unsigned int pc;
unsigned int pr;
unsigned int sr;
unsigned int gbr;
unsigned int mach;
unsigned int macl;
} mcontext_t;
/* Userlevel context. */
typedef struct ucontext
{
unsigned long int uc_flags;
struct ucontext *uc_link;
stack_t uc_stack;
mcontext_t uc_mcontext;
__sigset_t uc_sigmask;
} ucontext_t;
#endif /* sys/ucontext.h */

38
sysdeps/unix/sysv/linux/sh/sh3/ucontext_i.sym Normal file
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@ -0,0 +1,38 @@
#include <stddef.h>
#include <signal.h>
#include <sys/ucontext.h>
--
SIG_BLOCK
SIG_SETMASK
#define ucontext(member) offsetof (ucontext_t, member)
#define mcontext(member) ucontext (uc_mcontext.member)
oLINK ucontext (uc_link)
oSS_SP ucontext (uc_stack.ss_sp)
oSS_SIZE ucontext (uc_stack.ss_size)
oR0 mcontext (gregs[R0])
oR1 mcontext (gregs[R1])
oR2 mcontext (gregs[R2])
oR3 mcontext (gregs[R3])
oR4 mcontext (gregs[R4])
oR5 mcontext (gregs[R5])
oR6 mcontext (gregs[R6])
oR7 mcontext (gregs[R7])
oR8 mcontext (gregs[R8])
oR9 mcontext (gregs[R9])
oR10 mcontext (gregs[R10])
oR11 mcontext (gregs[R11])
oR12 mcontext (gregs[R12])
oR13 mcontext (gregs[R13])
oR14 mcontext (gregs[R14])
oR15 mcontext (gregs[R15])
oPC mcontext (pc)
oPR mcontext (pr)
oSR mcontext (sr)
oGBR mcontext (gbr)
oMACH mcontext (mach)
oMACL mcontext (macl)
oSIGMASK ucontext (uc_sigmask)

131
sysdeps/unix/sysv/linux/sh/sh4/getcontext.S Normal file
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/* Save current context.
Copyright (C) 2005 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. */
#include <sysdep.h>
#include "ucontext_i.h"
/* int __getcontext (ucontext_t *uc); */
.text
.align 5
ENTRY(__getcontext)
/* Return value of getcontext. R0 is the only register whose
value is not preserved. */
mov #0, r0
mov.l r0, @(oR0,r4)
mov.l r1, @(oR1,r4)
mov.l r2, @(oR2,r4)
mov.l r3, @(oR3,r4)
mov.l r4, @(oR4,r4)
mov.l r5, @(oR5,r4)
mov.l r6, @(oR6,r4)
mov.l r7, @(oR7,r4)
mov r4, r0
add #(oMACL+4), r0
sts.l macl, @-r0
sts.l mach, @-r0
stc.l gbr, @-r0
/* Save T flag to SR. */
movt r1
mov.l r1, @-r0
sts.l pr, @-r0
/* The return address of getcontext is the restart pc. */
sts.l pr, @-r0
mov.l r15, @-r0
mov.l r14, @-r0
mov.l r13, @-r0
mov.l r12, @-r0
mov.l r11, @-r0
mov.l r10, @-r0
mov.l r9, @-r0
mov.l r8, @-r0
mov r4, r0
/* We need 2 add instruction because oFPUL+4 > 127. */
add #124,r0
add #(oFPUL+4-124),r0
sts.l fpul, @-r0
sts.l fpscr, @-r0
frchg
fmov.s fr15, @-r0
fmov.s fr14, @-r0
fmov.s fr13, @-r0
fmov.s fr12, @-r0
fmov.s fr11, @-r0
fmov.s fr10, @-r0
fmov.s fr9, @-r0
fmov.s fr8, @-r0
fmov.s fr7, @-r0
fmov.s fr6, @-r0
fmov.s fr5, @-r0
fmov.s fr4, @-r0
fmov.s fr3, @-r0
fmov.s fr2, @-r0
fmov.s fr1, @-r0
fmov.s fr0, @-r0
frchg
fmov.s fr15, @-r0
fmov.s fr14, @-r0
fmov.s fr13, @-r0
fmov.s fr12, @-r0
fmov.s fr11, @-r0
fmov.s fr10, @-r0
fmov.s fr9, @-r0
fmov.s fr8, @-r0
fmov.s fr7, @-r0
fmov.s fr6, @-r0
fmov.s fr5, @-r0
fmov.s fr4, @-r0
fmov.s fr3, @-r0
fmov.s fr2, @-r0
fmov.s fr1, @-r0
fmov.s fr0, @-r0
/* sigprocmask (SIG_BLOCK, NULL, &uc->uc_sigmask). */
mov r4, r6
/* We need 2 add instruction because oSIGMASK > 127. */
add #(oSIGMASK/2), r6
add #(oSIGMASK/2), r6
mov #SIG_BLOCK, r4
mov #0, r5
mov #+SYS_ify(sigprocmask), r3
trapa #0x13
mov r0, r1
mov #-12, r2
shad r2, r1
not r1, r1 // r1=0 means r0 = -1 to -4095
tst r1, r1 // i.e. error in linux
bf .Lgetcontext_end
.Lsyscall_error:
SYSCALL_ERROR_HANDLER
.Lgetcontext_end:
/* All done, return 0 for success. */
mov #0, r0
.Lpseudo_end:
rts
nop
PSEUDO_END(__getcontext)
weak_alias (__getcontext, getcontext)

139
sysdeps/unix/sysv/linux/sh/sh4/setcontext.S Normal file
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/* Install given context.
Copyright (C) 2005 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. */
#include <sysdep.h>
#include "ucontext_i.h"
/* int __setcontext (const ucontext_t *uc); */
.text
.align 5
ENTRY(__setcontext)
mov r4, r8
/* sigprocmask (SIG_SETMASK, &uc->uc_sigmask, NULL). */
mov r4, r5
add #(oSIGMASK/2), r5
add #(oSIGMASK/2), r5
mov #SIG_SETMASK, r4
mov #0, r6
mov #+SYS_ify(sigprocmask), r3
trapa #0x13
mov r0, r1
mov #-12, r2
shad r2, r1
not r1, r1 // r1=0 means r0 = -1 to -4095
tst r1, r1 // i.e. error in linux
bf .Lsetcontext_restore
.Lsyscall_error:
SYSCALL_ERROR_HANDLER
.Lpseudo_end:
rts
nop
.Lsetcontext_restore:
mov r8, r0
add #(oFR0),r0
fmov.s @r0+, fr0
fmov.s @r0+, fr1
fmov.s @r0+, fr2
fmov.s @r0+, fr3
fmov.s @r0+, fr4
fmov.s @r0+, fr5
fmov.s @r0+, fr6
fmov.s @r0+, fr7
fmov.s @r0+, fr8
fmov.s @r0+, fr9
fmov.s @r0+, fr10
fmov.s @r0+, fr11
fmov.s @r0+, fr12
fmov.s @r0+, fr13
fmov.s @r0+, fr14
fmov.s @r0+, fr15
frchg
fmov.s @r0+, fr0
fmov.s @r0+, fr1
fmov.s @r0+, fr2
fmov.s @r0+, fr3
fmov.s @r0+, fr4
fmov.s @r0+, fr5
fmov.s @r0+, fr6
fmov.s @r0+, fr7
fmov.s @r0+, fr8
fmov.s @r0+, fr9
fmov.s @r0+, fr10
fmov.s @r0+, fr11
fmov.s @r0+, fr12
fmov.s @r0+, fr13
fmov.s @r0+, fr14
fmov.s @r0+, fr15
frchg
lds.l @r0+, fpscr
lds.l @r0+, fpul
mov r8, r0
add #(oPC), r0
mov.l @r0+, r2
lds.l @r0+, pr
/* Restore T frag. */
mov.l @r0+, r1
shlr r1
/* Skip GBR which is used for thread pointer. */
add #4, r0
lds.l @r0+, mach
lds.l @r0+, macl
mov r8, r0
add #(oR9), r0
mov.l @r0+, r9
mov.l @r0+, r10
mov.l @r0+, r11
mov.l @r0+, r12
mov.l @r0+, r13
mov.l @r0+, r14
mov.l @r0+, r15
mov r8, r0
mov.l @(oR0,r0), r1
mov.l r1, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r1, 0)
mov.l r2, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r2, 0)
mov.l @(oR1,r0), r1
mov.l @(oR2,r0), r2
mov.l @(oR3,r0), r3
mov.l @(oR4,r0), r4
mov.l @(oR5,r0), r5
mov.l @(oR6,r0), r6
mov.l @(oR7,r0), r7
mov.l @(oR8,r0), r8
mov.l @r15+, r0
jmp @r0
mov.l @r15+, r0
PSEUDO_END(__setcontext)
weak_alias (__setcontext, setcontext)

214
sysdeps/unix/sysv/linux/sh/sh4/swapcontext.S Normal file
View File

@ -0,0 +1,214 @@
/* Save current context and install the given one.
Copyright (C) 2005 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. */
#include <sysdep.h>
#include "ucontext_i.h"
/* int __swapcontext (ucontext_t *ouc, const ucontext_t *uc); */
.text
.align 5
ENTRY(__swapcontext)
/* Return value of getcontext. R0 is the only register whose
value is not preserved. */
mov #0, r0
mov.l r0, @(oR0,r4)
mov.l r1, @(oR1,r4)
mov.l r2, @(oR2,r4)
mov.l r3, @(oR3,r4)
mov.l r4, @(oR4,r4)
mov.l r5, @(oR5,r4)
mov.l r6, @(oR6,r4)
mov.l r7, @(oR7,r4)
mov r4, r0
add #(oMACL+4), r0
sts.l macl, @-r0
sts.l mach, @-r0
stc.l gbr, @-r0
/* Save T flag to SR. */
movt r1
mov.l r1, @-r0
sts.l pr, @-r0
/* The return address of getcontext is the restart pc. */
sts.l pr, @-r0
mov.l r15, @-r0
mov.l r14, @-r0
mov.l r13, @-r0
mov.l r12, @-r0
mov.l r11, @-r0
mov.l r10, @-r0
mov.l r9, @-r0
mov.l r8, @-r0
mov r4, r0
/* We need 2 add instruction because oFPUL+4 >= 127. */
add #124,r0
add #(oFPUL+4-124),r0
sts.l fpul, @-r0
sts.l fpscr, @-r0
frchg
fmov.s fr15, @-r0
fmov.s fr14, @-r0
fmov.s fr13, @-r0
fmov.s fr12, @-r0
fmov.s fr11, @-r0
fmov.s fr10, @-r0
fmov.s fr9, @-r0
fmov.s fr8, @-r0
fmov.s fr7, @-r0
fmov.s fr6, @-r0
fmov.s fr5, @-r0
fmov.s fr4, @-r0
fmov.s fr3, @-r0
fmov.s fr2, @-r0
fmov.s fr1, @-r0
fmov.s fr0, @-r0
frchg
fmov.s fr15, @-r0
fmov.s fr14, @-r0
fmov.s fr13, @-r0
fmov.s fr12, @-r0
fmov.s fr11, @-r0
fmov.s fr10, @-r0
fmov.s fr9, @-r0
fmov.s fr8, @-r0
fmov.s fr7, @-r0
fmov.s fr6, @-r0
fmov.s fr5, @-r0
fmov.s fr4, @-r0
fmov.s fr3, @-r0
fmov.s fr2, @-r0
fmov.s fr1, @-r0
fmov.s fr0, @-r0
mov r5, r8
/* sigprocmask (SIG_SETMASK, &uc->uc_sigmask, &ouc->uc_sigmask). */
mov #oSIGMASK, r1
extu.b r1, r1
add r1, r5
mov r4, r6
add r1, r6
mov #SIG_SETMASK, r4
mov #+SYS_ify(sigprocmask), r3
trapa #0x13
mov r0, r1
mov #-12, r2
shad r2, r1
not r1, r1 // r1=0 means r0 = -1 to -4095
tst r1, r1 // i.e. error in linux
bf .Lswapcontext_restore
.Lsyscall_error:
SYSCALL_ERROR_HANDLER
.Lpseudo_end:
rts
nop
.Lswapcontext_restore:
mov r8, r0
add #(oFR0),r0
fmov.s @r0+, fr0
fmov.s @r0+, fr1
fmov.s @r0+, fr2
fmov.s @r0+, fr3
fmov.s @r0+, fr4
fmov.s @r0+, fr5
fmov.s @r0+, fr6
fmov.s @r0+, fr7
fmov.s @r0+, fr8
fmov.s @r0+, fr9
fmov.s @r0+, fr10
fmov.s @r0+, fr11
fmov.s @r0+, fr12
fmov.s @r0+, fr13
fmov.s @r0+, fr14
fmov.s @r0+, fr15
frchg
fmov.s @r0+, fr0
fmov.s @r0+, fr1
fmov.s @r0+, fr2
fmov.s @r0+, fr3
fmov.s @r0+, fr4
fmov.s @r0+, fr5
fmov.s @r0+, fr6
fmov.s @r0+, fr7
fmov.s @r0+, fr8
fmov.s @r0+, fr9
fmov.s @r0+, fr10
fmov.s @r0+, fr11
fmov.s @r0+, fr12
fmov.s @r0+, fr13
fmov.s @r0+, fr14
fmov.s @r0+, fr15
frchg
lds.l @r0+, fpscr
lds.l @r0+, fpul
mov r8, r0
add #(oPC), r0
mov.l @r0+, r2
lds.l @r0+, pr
/* Restore T frag. */
mov.l @r0+, r1
shlr r1
/* Skip GBR which is used for thread pointer. */
add #4, r0
lds.l @r0+, mach
lds.l @r0+, macl
mov r8, r0
add #(oR9), r0
mov.l @r0+, r9
mov.l @r0+, r10
mov.l @r0+, r11
mov.l @r0+, r12
mov.l @r0+, r13
mov.l @r0+, r14
mov.l @r0+, r15
mov r8, r0
mov.l @(oR0,r0), r1
mov.l r1, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r1, 0)
mov.l r2, @-r15
cfi_adjust_cfa_offset(4)
cfi_rel_offset (r2, 0)
mov.l @(oR1,r0), r1
mov.l @(oR2,r0), r2
mov.l @(oR3,r0), r3
mov.l @(oR4,r0), r4
mov.l @(oR5,r0), r5
mov.l @(oR6,r0), r6
mov.l @(oR7,r0), r7
mov.l @(oR8,r0), r8
mov.l @r15+, r0
jmp @r0
mov.l @r15+, r0
PSEUDO_END(__swapcontext)
weak_alias (__swapcontext, swapcontext)

12
sysdeps/unix/sysv/linux/sh/sys/ucontext.h → sysdeps/unix/sysv/linux/sh/sh4/sys/ucontext.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
/* Copyright (C) 1999, 2000, 2001, 2005 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
@ -87,13 +87,19 @@ typedef freg_t fpregset_t[NFPREG];
/* Context to describe whole processor state. */
typedef struct
{
unsigned int oldmask;
gregset_t gregs;
unsigned int pc;
unsigned int pr;
unsigned int sr;
unsigned int gbr;
unsigned int mach;
unsigned int macl;
fpregset_t fpregs;
fpregset_t xfpregs;
unsigned int fpscr;
unsigned int fpul;
unsigned int macl;
unsigned int mach;
unsigned int ownedfp;
} mcontext_t;
/* Userlevel context. */

73
sysdeps/unix/sysv/linux/sh/sh4/ucontext_i.sym Normal file
View File

@ -0,0 +1,73 @@
#include <stddef.h>
#include <signal.h>
#include <sys/ucontext.h>
--
SIG_BLOCK
SIG_SETMASK
#define ucontext(member) offsetof (ucontext_t, member)
#define mcontext(member) ucontext (uc_mcontext.member)
oLINK ucontext (uc_link)
oSS_SP ucontext (uc_stack.ss_sp)
oSS_SIZE ucontext (uc_stack.ss_size)
oR0 mcontext (gregs[R0])
oR1 mcontext (gregs[R1])
oR2 mcontext (gregs[R2])
oR3 mcontext (gregs[R3])
oR4 mcontext (gregs[R4])
oR5 mcontext (gregs[R5])
oR6 mcontext (gregs[R6])
oR7 mcontext (gregs[R7])
oR8 mcontext (gregs[R8])
oR9 mcontext (gregs[R9])
oR10 mcontext (gregs[R10])
oR11 mcontext (gregs[R11])
oR12 mcontext (gregs[R12])
oR13 mcontext (gregs[R13])
oR14 mcontext (gregs[R14])
oR15 mcontext (gregs[R15])
oPC mcontext (pc)
oPR mcontext (pr)
oSR mcontext (sr)
oGBR mcontext (gbr)
oMACH mcontext (mach)
oMACL mcontext (macl)
oFR0 mcontext (fpregs[0])
oFR1 mcontext (fpregs[1])
oFR2 mcontext (fpregs[2])
oFR3 mcontext (fpregs[3])
oFR4 mcontext (fpregs[4])
oFR5 mcontext (fpregs[5])
oFR6 mcontext (fpregs[6])
oFR7 mcontext (fpregs[7])
oFR8 mcontext (fpregs[8])
oFR9 mcontext (fpregs[9])
oFR10 mcontext (fpregs[10])
oFR11 mcontext (fpregs[11])
oFR12 mcontext (fpregs[12])
oFR13 mcontext (fpregs[13])
oFR14 mcontext (fpregs[14])
oFR15 mcontext (fpregs[15])
oXFR0 mcontext (xfpregs[0])
oXFR1 mcontext (xfpregs[1])
oXFR2 mcontext (xfpregs[2])
oXFR3 mcontext (xfpregs[3])
oXFR4 mcontext (xfpregs[4])
oXFR5 mcontext (xfpregs[5])
oXFR6 mcontext (xfpregs[6])
oXFR7 mcontext (xfpregs[7])
oXFR8 mcontext (xfpregs[8])
oXFR9 mcontext (xfpregs[9])
oXFR10 mcontext (xfpregs[10])
oXFR11 mcontext (xfpregs[11])
oXFR12 mcontext (xfpregs[12])
oXFR13 mcontext (xfpregs[13])
oXFR14 mcontext (xfpregs[14])
oXFR15 mcontext (xfpregs[15])
oFPSCR mcontext (fpscr)
oFPUL mcontext (fpul)
oOWNEDFP mcontext (ownedfp)
oSIGMASK ucontext (uc_sigmask)

10
sysdeps/unix/sysv/linux/sh/socket.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
/* Copyright (C) 1999, 2000, 2003, 2004, 2005 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
@ -33,7 +33,11 @@
The .S files for the other calls just #define socket and #include this. */
#ifndef __socket
#ifndef NO_WEAK_ALIAS
#define __socket P(__,socket)
#else
#define __socket socket
#endif
#endif
#define PUSHARGS_1 mov.l r4,@-r15; \
@ -84,7 +88,6 @@
#endif
.globl __socket
cfi_startproc
ENTRY (__socket)
/* This will not work in the case of a socket call being interrupted
by a signal. If the signal handler uses any stack the arguments
@ -165,7 +168,6 @@ ENTRY (__socket)
bra .Lsyscall_error
nop
#endif
cfi_endproc
.align 2
.L1:
@ -173,4 +175,6 @@ ENTRY (__socket)
PSEUDO_END (__socket)
#ifndef NO_WEAK_ALIAS
weak_alias (__socket, socket)
#endif

4
sysdeps/unix/sysv/linux/sh/sysdep.S
View File

@ -1,4 +1,5 @@
/* Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
/* Copyright (C) 1995, 1996, 1997, 1998, 1999, 2005
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
@ -27,6 +28,7 @@
ENTRY (__syscall_error)
neg r4, r0
cfi_endproc
#define __syscall_error __syscall_error_1
#include <sysdeps/unix/sh/sysdep.S>

35
sysdeps/unix/sysv/linux/sh/sysdep.h
View File

@ -1,5 +1,5 @@
/* Copyright (C) 1992,1993,1995,1996,1997,1998,1999,2000,2002,2003,2004
Free Software Foundation, Inc.
/* Copyright (C) 1992,1993,1995,1996,1997,1998,1999,2000,2002,2003,2004,
2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>, August 1995.
Changed by Kaz Kojima, <kkojima@rr.iij4u.or.jp>.
@ -24,6 +24,7 @@
/* There is some commonality. */
#include <sysdeps/unix/sh/sysdep.h>
#include <tls.h>
/* For Linux we can use the system call table in the header file
/usr/include/asm/unistd.h
@ -104,7 +105,7 @@
mova 0f,r0; \
add r0,r12; \
mov.l 1f,r0; \
mov.l r1,@(r0,r12)
mov.l r1,@(r0,r12); \
bra .Lpseudo_end; \
mov _IMM1,r0; \
.align 2; \
@ -140,13 +141,22 @@
# define SYSCALL_ERROR_HANDLER \
neg r0,r1; \
mov.l r14,@-r15; \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (r14, 0); \
mov.l r12,@-r15; \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (r12, 0); \
mov.l r1,@-r15; \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (r1, 0); \
mov.l 0f,r12; \
mova 0f,r0; \
add r0,r12; \
sts.l pr,@-r15; \
cfi_adjust_cfa_offset (4); \
cfi_rel_offset (pr, 0); \
mov r15,r14; \
cfi_def_cfa_register (r14); \
mov.l 1f,r1; \
bsrf r1; \
nop; \
@ -359,4 +369,23 @@
#endif /* __ASSEMBLER__ */
/* Pointer mangling support. */
#if defined NOT_IN_libc && defined IS_IN_rtld
/* We cannot use the thread descriptor because in ld.so we use setjmp
earlier than the descriptor is initialized. Using a global variable
is too complicated here since we have no PC-relative addressing mode. */
#else
# ifdef __ASSEMBLER__
# define PTR_MANGLE(reg, tmp) \
stc gbr,tmp; mov.l @(POINTER_GUARD,tmp),tmp; xor tmp,reg
# define PTR_MANGLE2(reg, tmp) xor tmp,reg
# define PTR_DEMANGLE(reg, tmp) PTR_MANGLE (reg, tmp)
# define PTR_DEMANGLE2(reg, tmp) PTR_MANGLE2 (reg, tmp)
# else
# define PTR_MANGLE(var) \
(var) = (void *) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ())
# define PTR_DEMANGLE(var) PTR_MANGLE (var)
# endif
#endif
#endif /* linux/sh/sysdep.h */