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Update.
2000-10-26 Kazumoto Kojima <kkojima@rr.iij4u.or.jp> Yutaka Niibe <gniibe@chroot.org> * sysdeps/sh/dl-machine.h (elf_machine_rela): Handle in place relocation which is generated by new ld. * sysdeps/sh/elf/initfini.c (_init): Preseted __fpscr_values. (_fini): Delete an obsolete register prefix. * sysdeps/unix/sysv/linux/sh/Versions: Add __xstat64, __fxstat64, __lxstat64, alphasort64, glob64, readdir64, readdir64_r, scandir64 and versionsort64 as the 2.2-versioned symbols. * sysdeps/unix/sysv/linux/sh/bits/fcntl.h: New file. * sysdeps/unix/sysv/linux/sh/brk.c: Changes for the new system call calling convention of the kernel. * sysdeps/unix/sysv/linux/sh/pipe.S: Likewise. * sysdeps/unix/sysv/linux/sh/socket.S: Likewise. * sysdeps/unix/sysv/linux/sh/clone.S: Likewise. * sysdeps/unix/sysv/linux/sh/vfork.S: Likewise. * sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/sh/fcntl.c: New file. * sysdeps/unix/sysv/linux/sh/lockf64.c: New file. * sysdeps/unix/sysv/linux/sh/sys/user.h: Include the kernel header file and delete the definitions of struct user and user_fp. * sysdeps/unix/sysv/linux/sh/syscall.S: New file. * sysdeps/unix/sysv/linux/sh/syscalls.list: Remove entries for s_ioctl, s_ipc, s_llseek, s_chown, s_fchown, s_lchown, s_execve, rt_sigaction, rt_sigpending, rt_sigprocmask, rt_sigqueueinfo, rt_sigsuspend, rt_sigtimedwait, s_getcwd, s_getdents, s_getgroups, s_getpriority, s_getegid, s_geteuid, s_getuid, getresgid, getresuid, s_getrlimit, s_poll, s_pread64, s_ptrace, s_pwrite64, s_reboot, s_setrlimit, s_sigaction, s_sigpending, s_sigprocmask, s_sigsuspend, s_setfsgid, s_setfsuid, s_setgid, s_setgroups, s_setregid, s_setresgid, s_setresuid, s_setreuid, s_setuid, s_sysctl, s_ugetrlimit, s_ustat, sys_fstat, sys_lstat, sys_mknod, sys_readv, sys_stat, sys_writev and syscall.
This commit is contained in:
Ulrich Drepper
parent
85471284c7
commit
876f963440
35
ChangeLog
35
ChangeLog
@ -1,3 +1,38 @@
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2000-10-26 Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
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Yutaka Niibe <gniibe@chroot.org>
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* sysdeps/sh/dl-machine.h (elf_machine_rela): Handle in place
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relocation which is generated by new ld.
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* sysdeps/sh/elf/initfini.c (_init): Preseted __fpscr_values.
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(_fini): Delete an obsolete register prefix.
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* sysdeps/unix/sysv/linux/sh/Versions: Add __xstat64, __fxstat64,
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__lxstat64, alphasort64, glob64, readdir64, readdir64_r, scandir64
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and versionsort64 as the 2.2-versioned symbols.
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* sysdeps/unix/sysv/linux/sh/bits/fcntl.h: New file.
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* sysdeps/unix/sysv/linux/sh/brk.c: Changes for the new system call
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calling convention of the kernel.
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* sysdeps/unix/sysv/linux/sh/pipe.S: Likewise.
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* sysdeps/unix/sysv/linux/sh/socket.S: Likewise.
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* sysdeps/unix/sysv/linux/sh/clone.S: Likewise.
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* sysdeps/unix/sysv/linux/sh/vfork.S: Likewise.
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* sysdeps/unix/sysv/linux/sh/sysdep.h: Likewise.
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* sysdeps/unix/sysv/linux/sh/fcntl.c: New file.
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* sysdeps/unix/sysv/linux/sh/lockf64.c: New file.
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* sysdeps/unix/sysv/linux/sh/sys/user.h: Include the kernel header
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file and delete the definitions of struct user and user_fp.
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* sysdeps/unix/sysv/linux/sh/syscall.S: New file.
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* sysdeps/unix/sysv/linux/sh/syscalls.list: Remove entries for
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s_ioctl, s_ipc, s_llseek, s_chown, s_fchown, s_lchown, s_execve,
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rt_sigaction, rt_sigpending, rt_sigprocmask, rt_sigqueueinfo,
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rt_sigsuspend, rt_sigtimedwait, s_getcwd, s_getdents, s_getgroups,
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s_getpriority, s_getegid, s_geteuid, s_getuid, getresgid, getresuid,
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s_getrlimit, s_poll, s_pread64, s_ptrace, s_pwrite64, s_reboot,
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s_setrlimit, s_sigaction, s_sigpending, s_sigprocmask, s_sigsuspend,
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s_setfsgid, s_setfsuid, s_setgid, s_setgroups, s_setregid,
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s_setresgid, s_setresuid, s_setreuid, s_setuid, s_sysctl,
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s_ugetrlimit, s_ustat, sys_fstat, sys_lstat, sys_mknod, sys_readv,
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sys_stat, sys_writev and syscall.
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2000-10-25 Ulrich Drepper <drepper@redhat.com>
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* io/test-lfs.c (do_prepare): Rewrite so it doesn't fail on systems
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@ -30,10 +30,10 @@ testandset (int *spinlock)
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int ret;
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__asm__ __volatile__(
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"tas.b %1\n\t"
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"tas.b @%1\n\t"
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"movt %0"
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: "=z" (ret), "=m" (*spinlock)
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: /* "1" (*spinlock) */
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: "=z" (ret)
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: "r" (spinlock)
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: "memory", "cc");
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return ret;
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@ -433,7 +433,12 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
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#ifndef RTLD_BOOTSTRAP
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if (map != &_dl_rtld_map) /* Already done in rtld itself. */
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#endif
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*reloc_addr = map->l_addr + reloc->r_addend;
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{
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if (reloc->r_addend)
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*reloc_addr = map->l_addr + reloc->r_addend;
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else
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*reloc_addr += map->l_addr;
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}
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}
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else if (ELF32_R_TYPE (reloc->r_info) != R_SH_NONE)
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{
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@ -80,6 +80,12 @@ _init:
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.L23:
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.long __gmon_start__
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#endif
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.data
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.global __fpscr_values
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__fpscr_values:
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.long 0
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.long 0x80000
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.previous
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1:
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ALIGN
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END_INIT
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@ -114,7 +120,7 @@ __gmon_start__:
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.global _fini
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.type _fini,@function
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_fini:
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mov.l r12,@-$r15
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mov.l r12,@-r15
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mov.l r14,@-r15
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sts.l pr,@-r15
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#ifdef SHARED
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@ -1,6 +1,24 @@
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libc {
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GLIBC_2.2 {
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# functions used in other libraries
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__xstat64; __fxstat64; __lxstat64;
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# a*
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alphasort64;
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# g*
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glob64;
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# New rlimit interface
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getrlimit; setrlimit; getrlimit64;
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# r*
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readdir64; readdir64_r;
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# s*
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scandir64;
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# v*
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versionsort64;
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}
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}
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155
sysdeps/unix/sysv/linux/sh/bits/fcntl.h
Normal file
155
sysdeps/unix/sysv/linux/sh/bits/fcntl.h
Normal file
@ -0,0 +1,155 @@
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/* O_*, F_*, FD_* bit values for Linux.
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Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _FCNTL_H
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# error "Never use <bits/fcntl.h> directly; include <fcntl.h> instead."
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#endif
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#include <sys/types.h>
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/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
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located on an ext2 file system */
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#define O_ACCMODE 0003
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#define O_RDONLY 00
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#define O_WRONLY 01
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#define O_RDWR 02
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#define O_CREAT 0100 /* not fcntl */
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#define O_EXCL 0200 /* not fcntl */
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#define O_NOCTTY 0400 /* not fcntl */
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#define O_TRUNC 01000 /* not fcntl */
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#define O_APPEND 02000
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#define O_NONBLOCK 04000
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#define O_NDELAY O_NONBLOCK
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#define O_SYNC 010000
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#define O_FSYNC O_SYNC
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#define O_ASYNC 020000
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#ifdef __USE_GNU
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# define O_DIRECT 040000 /* Direct disk access. */
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# define O_DIRECTORY 0200000 /* Must be a directory. */
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# define O_NOFOLLOW 0400000 /* Do not follow links. */
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#endif
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/* For now Linux has synchronisity options for data and read operations.
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We define the symbols here but let them do the same as O_SYNC since
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this is a superset. */
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#if defined __USE_POSIX199309 || defined __USE_UNIX98
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# define O_DSYNC O_SYNC /* Synchronize data. */
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# define O_RSYNC O_SYNC /* Synchronize read operations. */
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#endif
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#ifdef __USE_LARGEFILE64
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# define O_LARGEFILE 0100000
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#endif
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/* Values for the second argument to `fcntl'. */
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#define F_DUPFD 0 /* Duplicate file descriptor. */
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#define F_GETFD 1 /* Get file descriptor flags. */
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#define F_SETFD 2 /* Set file descriptor flags. */
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#define F_GETFL 3 /* Get file status flags. */
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#define F_SETFL 4 /* Set file status flags. */
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#ifndef __USE_FILE_OFFSET64
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# define F_GETLK 5 /* Get record locking info. */
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# define F_SETLK 6 /* Set record locking info (non-blocking). */
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# define F_SETLKW 7 /* Set record locking info (blocking). */
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#else
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# define F_GETLK F_GETLK64 /* Get record locking info. */
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# define F_SETLK F_SETLK64 /* Set record locking info (non-blocking).*/
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# define F_SETLKW F_SETLKW64 /* Set record locking info (blocking). */
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#endif
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#define F_GETLK64 12 /* Get record locking info. */
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#define F_SETLK64 13 /* Set record locking info (non-blocking). */
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#define F_SETLKW64 14 /* Set record locking info (blocking). */
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#if defined __USE_BSD || defined __USE_XOPEN2K
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# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */
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# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */
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#endif
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#ifdef __USE_GNU
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# define F_SETSIG 10 /* Set number of signal to be sent. */
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# define F_GETSIG 11 /* Get number of signal to be sent. */
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#endif
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/* For F_[GET|SET]FL. */
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#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
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/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
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#define F_RDLCK 0 /* Read lock. */
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#define F_WRLCK 1 /* Write lock. */
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#define F_UNLCK 2 /* Remove lock. */
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/* For old implementation of bsd flock(). */
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#define F_EXLCK 4 /* or 3 */
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#define F_SHLCK 8 /* or 4 */
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#ifdef __USE_BSD
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/* Operations for bsd flock(), also used by the kernel implementation. */
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# define LOCK_SH 1 /* shared lock */
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# define LOCK_EX 2 /* exclusive lock */
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# define LOCK_NB 4 /* or'd with one of the above to prevent
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blocking */
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# define LOCK_UN 8 /* remove lock */
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#endif
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struct flock
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{
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short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
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#ifndef __USE_FILE_OFFSET64
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__off_t l_start; /* Offset where the lock begins. */
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__off_t l_len; /* Size of the locked area; zero means until EOF. */
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#else
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__off64_t l_start; /* Offset where the lock begins. */
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__off64_t l_len; /* Size of the locked area; zero means until EOF. */
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#endif
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__pid_t l_pid; /* Process holding the lock. */
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};
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#ifdef __USE_LARGEFILE64
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struct flock64
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{
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short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
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short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
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__off64_t l_start; /* Offset where the lock begins. */
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__off64_t l_len; /* Size of the locked area; zero means until EOF. */
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__pid_t l_pid; /* Process holding the lock. */
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};
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#endif
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/* Define some more compatibility macros to be backward compatible with
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BSD systems which did not managed to hide these kernel macros. */
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#ifdef __USE_BSD
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# define FAPPEND O_APPEND
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# define FFSYNC O_FSYNC
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# define FASYNC O_ASYNC
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# define FNONBLOCK O_NONBLOCK
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# define FNDELAY O_NDELAY
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#endif /* Use BSD. */
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/* Advise to `posix_fadvise'. */
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#ifdef __USE_XOPEN2K
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# define POSIX_FADV_NORMAL 0 /* No further special treatment. */
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# define POSIX_FADV_RANDOM 1 /* Expect random page references. */
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# define POSIX_FADV_SEQUENTIAL 2 /* Expect sequential page references. */
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# define POSIX_FADV_WILLNEED 3 /* Will need these pages. */
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# define POSIX_FADV_DONTNEED 4 /* Don't need these pages. */
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# define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */
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#endif
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@ -28,14 +28,12 @@ int
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__brk (void *addr)
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{
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void *newbrk;
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register long r3 asm ("%r3") = SYS_ify (brk);
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register long r4 asm ("%r4") = (long)addr;
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asm ("mov %1, r4\n"
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"mov %2, r0\n"
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"trapa #0\n" /* do the system call */
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"mov r0, %0;" /* keep the return value */
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: "=r"(newbrk)
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: "r"(addr), "i" (SYS_ify (brk))
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: "r0");
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asm volatile ("trapa #0x11"
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: "=z"(newbrk)
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: "r" (r3), "r" (r4));
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__curbrk = newbrk;
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@ -61,8 +61,8 @@ ENTRY(__clone)
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/* do the system call */
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mov r6, r4
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mov #+SYS_ify(clone), r0
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trapa #0
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mov #+SYS_ify(clone), r3
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trapa #0x12
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mov r0, r1
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mov #-12, r2
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shad r2, r1
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1
sysdeps/unix/sysv/linux/sh/fcntl.c
Normal file
1
sysdeps/unix/sysv/linux/sh/fcntl.c
Normal file
@ -0,0 +1 @@
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#include <sysdeps/unix/sysv/linux/i386/fcntl.c>
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1
sysdeps/unix/sysv/linux/sh/lockf64.c
Normal file
1
sysdeps/unix/sysv/linux/sh/lockf64.c
Normal file
@ -0,0 +1 @@
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#include <sysdeps/unix/sysv/linux/i386/lockf64.c>
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@ -19,8 +19,8 @@
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#include <sysdep.h>
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ENTRY (__libc_pipe)
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mov #+__NR_pipe, r0
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trapa #0
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mov #+__NR_pipe, r3
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trapa #0x10
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mov r0, r3
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mov #-12, r2
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shad r2, r3
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@ -66,8 +66,8 @@ ENTRY (__socket)
|
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/* Do the system call trap. */
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mov #+P(SOCKOP_,socket), r4
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mov r15, r5
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mov.l .L1,r0
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trapa #0
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mov.l .L1,r3
|
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trapa #0x12
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|
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/* Pop args off the stack */
|
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P(POPARGS_,NARGS)
|
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|
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@ -21,48 +21,6 @@
|
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|
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#include <features.h>
|
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|
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/* <sys/ptrace.h> and <linux/ptrace.h> both define the PTRACE_* macros.
|
||||
This leads to compilation problems with programs which include both
|
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user.h and ptrace.h (eg: GDB). Do not include <linux/ptrace.h> here. */
|
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#include <asm/ptrace.h>
|
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|
||||
struct user_fp
|
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{
|
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struct fp_reg
|
||||
{
|
||||
unsigned int sign1:1;
|
||||
unsigned int unused:15;
|
||||
unsigned int sign2:1;
|
||||
unsigned int exponent:14;
|
||||
unsigned int j:1;
|
||||
unsigned int mantissa1:31;
|
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unsigned int mantissa0:32;
|
||||
} fpregs[8];
|
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unsigned int fpsr:32;
|
||||
unsigned int fpcr:32;
|
||||
};
|
||||
|
||||
struct user
|
||||
{
|
||||
struct pt_regs regs; /* General registers */
|
||||
int u_fpvalid; /* True if math co-processor being used. */
|
||||
|
||||
unsigned long int u_tsize; /* Text segment size (pages). */
|
||||
unsigned long int u_dsize; /* Data segment size (pages). */
|
||||
unsigned long int u_ssize; /* Stack segment size (pages). */
|
||||
|
||||
unsigned long start_code; /* Starting virtual address of text. */
|
||||
unsigned long start_stack; /* Starting virtual address of stack. */
|
||||
|
||||
long int signal; /* Signal that caused the core dump. */
|
||||
int reserved; /* No longer used */
|
||||
struct pt_regs *u_ar0; /* help gdb to find the general registers. */
|
||||
|
||||
unsigned long magic; /* uniquely identify a core file */
|
||||
char u_comm[32]; /* User command that was responsible */
|
||||
int u_debugreg[8];
|
||||
struct user_fp u_fp; /* Floating point registers */
|
||||
struct user_fp_struct *u_fp0; /* help gdb to find the FP registers. */
|
||||
};
|
||||
#include <asm/user.h>
|
||||
|
||||
#endif /* sys/user.h */
|
||||
|
||||
68
sysdeps/unix/sysv/linux/sh/syscall.S
Normal file
68
sysdeps/unix/sysv/linux/sh/syscall.S
Normal file
@ -0,0 +1,68 @@
|
||||
/* Copyright (C) 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 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. */
|
||||
|
||||
#include <sysdep.h>
|
||||
|
||||
ENTRY (__syscall)
|
||||
mov r4, r3 // syscall number
|
||||
mov r5, r4 // p1
|
||||
mov r6, r5 // p2
|
||||
mov r7, r6 // p3
|
||||
mov.l @r15, r7 // p4
|
||||
mov.l @(4,r15), r0 // p5
|
||||
mov.l @(8,r15), r1 // p6
|
||||
mov.l @(12,r15), r2 // p7
|
||||
trapa #0x17
|
||||
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 1f
|
||||
mov.l .L2, r1
|
||||
#ifdef SHARED
|
||||
mov r0, r4
|
||||
mov.l r12, @-r15
|
||||
sts.l pr, @-r15
|
||||
mov.l 0f, r12
|
||||
mova 0f, r0
|
||||
add r0, r12
|
||||
mova .L2, r0
|
||||
add r0, r1
|
||||
jsr @r1
|
||||
nop
|
||||
lds.l @r15+, pr
|
||||
rts
|
||||
mov.l @r15+, r12
|
||||
.align 2
|
||||
0:
|
||||
.long _GLOBAL_OFFSET_TABLE_
|
||||
#else
|
||||
jmp @r1
|
||||
mov r0, r4
|
||||
#endif
|
||||
1:
|
||||
rts
|
||||
nop
|
||||
|
||||
.align 2
|
||||
.L2:
|
||||
.long PLTJMP(C_SYMBOL_NAME(__syscall_error))
|
||||
PSEUDO_END (__syscall)
|
||||
|
||||
weak_alias (__syscall, syscall)
|
||||
@ -1,54 +1,2 @@
|
||||
# File name Caller Syscall name # args Strong name Weak names
|
||||
|
||||
s_ioctl ioctl ioctl 3 __syscall_ioctl
|
||||
s_ipc msgget ipc 5 __syscall_ipc
|
||||
s_llseek llseek _llseek 5 __syscall__llseek
|
||||
s_chown chown chown 3 __syscall_chown
|
||||
s_fchown fchown fchown 3 __syscall_fchown
|
||||
s_lchown lchown lchown 3 __syscall_lchown
|
||||
s_execve execve execve 3 __syscall_execve
|
||||
rt_sigaction - rt_sigaction 4 __syscall_rt_sigaction
|
||||
rt_sigpending - rt_sigpending 2 __syscall_rt_sigpending
|
||||
rt_sigprocmask - rt_sigprocmask 4 __syscall_rt_sigprocmask
|
||||
rt_sigqueueinfo - rt_sigqueueinfo 3 __syscall_rt_sigqueueinfo
|
||||
rt_sigsuspend - rt_sigsuspend 2 __syscall_rt_sigsuspend
|
||||
rt_sigtimedwait - rt_sigtimedwait 4 __syscall_rt_sigtimedwait
|
||||
s_getcwd getcwd getcwd 2 __syscall_getcwd
|
||||
s_getdents getdents getdents 3 __syscall_getdents
|
||||
s_getgroups getgroups getgroups 2 __syscall_getgroups
|
||||
s_getpriority getpriority getpriority 2 __syscall_getpriority
|
||||
s_getegid getegid getegid 0 __syscall_getegid
|
||||
s_geteuid geteuid geteuid 0 __syscall_geteuid
|
||||
s_getuid getuid getuid 0 __syscall_getuid
|
||||
getresgid - getresgid 3 getresgid
|
||||
getresuid - getresuid 3 getresuid
|
||||
s_getrlimit getrlimit getrlimit 2 __syscall_getrlimit
|
||||
s_poll poll poll 3 __syscall_poll
|
||||
s_pread64 pread64 pread 5 __syscall_pread
|
||||
s_ptrace ptrace ptrace 4 __syscall_ptrace
|
||||
s_pwrite64 pwrite64 pwrite 5 __syscall_pwrite
|
||||
s_reboot reboot reboot 3 __syscall_reboot
|
||||
s_setrlimit setrlimit setrlimit 2 __syscall_setrlimit
|
||||
s_sigaction sigaction sigaction 3 __syscall_sigaction
|
||||
s_sigpending sigpending sigpending 1 __syscall_sigpending
|
||||
s_sigprocmask sigprocmask sigprocmask 3 __syscall_sigprocmask
|
||||
s_sigsuspend sigsuspend sigsuspend 3 __syscall_sigsuspend
|
||||
s_setfsgid setfsgid setfsgid 1 __syscall_setfsgid
|
||||
s_setfsuid setfsuid setfsuid 1 __syscall_setfsuid
|
||||
s_setgid setgid setgid 1 __syscall_setgid
|
||||
s_setgroups setgroups setgroups 2 __syscall_setgroups
|
||||
s_setregid setregid setregid 2 __syscall_setregid
|
||||
s_setresgid setresgid setresgid 3 __syscall_setresgid
|
||||
s_setresuid setresuid setresuid 3 __syscall_setresuid
|
||||
s_setreuid setreuid setreuid 2 __syscall_setreuid
|
||||
s_setuid setuid setuid 1 __syscall_setuid
|
||||
s_sysctl sysctl _sysctl 1 __syscall__sysctl
|
||||
s_ugetrlimit getrlimit ugetrlimit 2 __syscall_ugetrlimit
|
||||
s_ustat ustat ustat 2 __syscall_ustat
|
||||
sys_fstat fxstat fstat 2 __syscall_fstat
|
||||
sys_lstat lxstat lstat 2 __syscall_lstat
|
||||
sys_mknod xmknod mknod 3 __syscall_mknod
|
||||
sys_readv readv readv 3 __syscall_readv
|
||||
sys_stat xstat stat 2 __syscall_stat
|
||||
sys_writev writev writev 3 __syscall_writev
|
||||
syscall - syscall 5 syscall
|
||||
|
||||
@ -103,29 +103,105 @@
|
||||
|
||||
#define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
|
||||
|
||||
#define SYSCALL_INST0 trapa #0
|
||||
#define SYSCALL_INST1 trapa #0
|
||||
#define SYSCALL_INST2 trapa #0
|
||||
#define SYSCALL_INST3 trapa #0
|
||||
#define SYSCALL_INST4 trapa #0
|
||||
#define SYSCALL_INST5 trapa #1
|
||||
#define SYSCALL_INST6 trapa #2
|
||||
#define SYSCALL_INST0 trapa #0x10
|
||||
#define SYSCALL_INST1 trapa #0x11
|
||||
#define SYSCALL_INST2 trapa #0x12
|
||||
#define SYSCALL_INST3 trapa #0x13
|
||||
#define SYSCALL_INST4 trapa #0x14
|
||||
#define SYSCALL_INST5 mov.l @(0,r15),r0; trapa #0x15
|
||||
#define SYSCALL_INST6 mov.l @(0,r15),r0; mov.l @(4,r15),r1; trapa #0x16
|
||||
|
||||
#undef DO_CALL
|
||||
#define DO_CALL(args, syscall_name) \
|
||||
mov.l 1f,r0; \
|
||||
SYSCALL_INST##args; \
|
||||
bra 2f; \
|
||||
nop; \
|
||||
.align 2; \
|
||||
1: .long SYS_ify(syscall_name); \
|
||||
#define DO_CALL(args, syscall_name) \
|
||||
mov.l 1f,r3; \
|
||||
SYSCALL_INST##args; \
|
||||
bra 2f; \
|
||||
nop; \
|
||||
.align 2; \
|
||||
1: .long SYS_ify (syscall_name); \
|
||||
2:
|
||||
|
||||
#else /* not __ASSEMBLER__ */
|
||||
|
||||
#define SYSCALL_INST_STR0 "trapa #0x10\n\t"
|
||||
#define SYSCALL_INST_STR1 "trapa #0x11\n\t"
|
||||
#define SYSCALL_INST_STR2 "trapa #0x12\n\t"
|
||||
#define SYSCALL_INST_STR3 "trapa #0x13\n\t"
|
||||
#define SYSCALL_INST_STR4 "trapa #0x14\n\t"
|
||||
#define SYSCALL_INST_STR5 "trapa #0x15\n\t"
|
||||
#define SYSCALL_INST_STR6 "trapa #0x16\n\t"
|
||||
|
||||
#define ASMFMT_0
|
||||
#define ASMFMT_1 \
|
||||
, "r" (r4)
|
||||
#define ASMFMT_2 \
|
||||
, "r" (r4), "r" (r5)
|
||||
#define ASMFMT_3 \
|
||||
, "r" (r4), "r" (r5), "r" (r6)
|
||||
#define ASMFMT_4 \
|
||||
, "r" (r4), "r" (r5), "r" (r6), "r" (r7)
|
||||
#define ASMFMT_5 \
|
||||
, "r" (r4), "r" (r5), "r" (r6), "r" (r7), "0" (r0)
|
||||
#define ASMFMT_6 \
|
||||
, "r" (r4), "r" (r5), "r" (r6), "r" (r7), "0" (r0), "r" (r1)
|
||||
#define ASMFMT_7 \
|
||||
, "r" (r4), "r" (r5), "r" (r6), "r" (r7), "0" (r0), "r" (r1), "r" (r2)
|
||||
|
||||
#define SUBSTITUTE_ARGS_0()
|
||||
#define SUBSTITUTE_ARGS_1(arg1) \
|
||||
register long r4 asm ("%r4") = (long)(arg1)
|
||||
#define SUBSTITUTE_ARGS_2(arg1, arg2) \
|
||||
register long r4 asm ("%r4") = (long)(arg1); \
|
||||
register long r5 asm ("%r5") = (long)(arg2)
|
||||
#define SUBSTITUTE_ARGS_3(arg1, arg2, arg3) \
|
||||
register long r4 asm ("%r4") = (long)(arg1); \
|
||||
register long r5 asm ("%r5") = (long)(arg2); \
|
||||
register long r6 asm ("%r6") = (long)(arg3)
|
||||
#define SUBSTITUTE_ARGS_4(arg1, arg2, arg3, arg4) \
|
||||
register long r4 asm ("%r4") = (long)(arg1); \
|
||||
register long r5 asm ("%r5") = (long)(arg2); \
|
||||
register long r6 asm ("%r6") = (long)(arg3); \
|
||||
register long r7 asm ("%r7") = (long)(arg4)
|
||||
#define SUBSTITUTE_ARGS_5(arg1, arg2, arg3, arg4, arg5) \
|
||||
register long r4 asm ("%r4") = (long)(arg1); \
|
||||
register long r5 asm ("%r5") = (long)(arg2); \
|
||||
register long r6 asm ("%r6") = (long)(arg3); \
|
||||
register long r7 asm ("%r7") = (long)(arg4); \
|
||||
register long r0 asm ("%r0") = (long)(arg5)
|
||||
#define SUBSTITUTE_ARGS_6(arg1, arg2, arg3, arg4, arg5, arg6) \
|
||||
register long r4 asm ("%r4") = (long)(arg1); \
|
||||
register long r5 asm ("%r5") = (long)(arg2); \
|
||||
register long r6 asm ("%r6") = (long)(arg3); \
|
||||
register long r7 asm ("%r7") = (long)(arg4); \
|
||||
register long r0 asm ("%r0") = (long)(arg5); \
|
||||
register long r1 asm ("%r1") = (long)(arg6)
|
||||
#define SUBSTITUTE_ARGS_7(arg1, arg2, arg3, arg4, arg5, arg6, arg7) \
|
||||
register long r4 asm ("%r4") = (long)(arg1); \
|
||||
register long r5 asm ("%r5") = (long)(arg2); \
|
||||
register long r6 asm ("%r6") = (long)(arg3); \
|
||||
register long r7 asm ("%r7") = (long)(arg4); \
|
||||
register long r0 asm ("%r0") = (long)(arg5) \
|
||||
register long r1 asm ("%r1") = (long)(arg6); \
|
||||
register long r2 asm ("%r2") = (long)(arg7)
|
||||
|
||||
#undef INLINE_SYSCALL
|
||||
#define INLINE_SYSCALL(name, nr, args...) \
|
||||
__syscall_##name(args)
|
||||
#define INLINE_SYSCALL(name, nr, args...) \
|
||||
({ \
|
||||
unsigned long resultvar; \
|
||||
register long r3 asm ("%r3") = SYS_ify (name); \
|
||||
SUBSTITUTE_ARGS_##nr(args); \
|
||||
\
|
||||
asm volatile (SYSCALL_INST_STR##nr \
|
||||
: "=z" (resultvar) \
|
||||
: "r" (r3) ASMFMT_##nr \
|
||||
: "memory"); \
|
||||
\
|
||||
if (resultvar >= 0xfffff001) \
|
||||
{ \
|
||||
__set_errno (-resultvar); \
|
||||
resultvar = 0xffffffff; \
|
||||
} \
|
||||
(int) resultvar; })
|
||||
|
||||
#endif /* __ASSEMBLER__ */
|
||||
|
||||
|
||||
@ -28,8 +28,8 @@
|
||||
ENTRY (__vfork)
|
||||
|
||||
#ifdef __NR_vfork
|
||||
mov #+__NR_vfork, r0
|
||||
trapa #0
|
||||
mov.w .L3, r3
|
||||
trapa #0x10
|
||||
mov r0, r1
|
||||
mov #-12, r2
|
||||
shad r2, r1
|
||||
@ -63,6 +63,7 @@ ENTRY (__vfork)
|
||||
#endif
|
||||
.L1:
|
||||
.word -ENOSYS
|
||||
.L3: .word __NR_vfork
|
||||
1:
|
||||
rts
|
||||
nop
|
||||
@ -70,8 +71,8 @@ ENTRY (__vfork)
|
||||
#endif
|
||||
|
||||
/* If we don't have vfork, fork is close enough. */
|
||||
mov #+__NR_fork, r0
|
||||
trapa #0
|
||||
mov #+__NR_fork, r3
|
||||
trapa #0x10
|
||||
mov r0, r1
|
||||
mov #-12, r2
|
||||
shad r2, r1
|
||||
|
||||
Loading…
Reference in New Issue
Block a user