Support for running Linux binaries under emulation is going away.

Remove "option COMPAT_LINUX" and everything directly tied to it from the
kernel and the corresponding man page documentation.

ok visa@ guenther@

2 files changed, 0 insertions, 823 deletions

diff --git a/sys/arch/i386/i386/linux_machdep.c b/sys/arch/i386/i386/linux_machdep.c
deleted file mode 100644
index 3ada48c99fe..00000000000
--- a/sys/arch/i386/i386/linux_machdep.c
+++ /dev/null
@@ -1,686 +0,0 @@
-/*	$OpenBSD: linux_machdep.c,v 1.46 2014/12/16 18:30:03 tedu Exp $	*/
-/*	$NetBSD: linux_machdep.c,v 1.29 1996/05/03 19:42:11 christos Exp $	*/
-
-/*
- * Copyright (c) 1995 Frank van der Linden
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *      This product includes software developed for the NetBSD Project
- *      by Frank van der Linden
- * 4. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/signalvar.h>
-#include <sys/kernel.h>
-#include <sys/proc.h>
-#include <sys/user.h>
-#include <sys/buf.h>
-#include <sys/reboot.h>
-#include <sys/conf.h>
-#include <sys/file.h>
-#include <sys/malloc.h>
-#include <sys/mbuf.h>
-#include <sys/msgbuf.h>
-#include <sys/mount.h>
-#include <sys/device.h>
-#include <sys/sysctl.h>
-#include <sys/syscallargs.h>
-#include <sys/filedesc.h>
-
-#include <uvm/uvm_extern.h>
-
-#include <compat/linux/linux_types.h>
-#include <compat/linux/linux_signal.h>
-#include <compat/linux/linux_syscallargs.h>
-#include <compat/linux/linux_util.h>
-#include <compat/linux/linux_ioctl.h>
-
-#include <machine/cpu.h>
-#include <machine/cpufunc.h>
-#include <machine/psl.h>
-#include <machine/reg.h>
-#include <machine/segments.h>
-#include <machine/specialreg.h>
-#include <machine/sysarch.h>
-#include <machine/vm86.h>
-#include <machine/linux_machdep.h>
-
-/*
- * To see whether wsdisplay is configured (for virtual console ioctl calls).
- */
-#include "wsdisplay.h"
-#include <sys/ioctl.h>
-#if NWSDISPLAY > 0 && defined(WSDISPLAY_COMPAT_USL)
-#include <dev/wscons/wsconsio.h>
-#include <dev/wscons/wsdisplay_usl_io.h>
-#endif
-
-#ifdef USER_LDT
-#include <machine/cpu.h>
-int linux_read_ldt(struct proc *, struct linux_sys_modify_ldt_args *,
-    register_t *);
-int linux_write_ldt(struct proc *, struct linux_sys_modify_ldt_args *,
-    register_t *);
-#endif
-
-/*
- * Deal with some i386-specific things in the Linux emulation code.
- * This means just signals for now, will include stuff like
- * I/O map permissions and V86 mode sometime.
- */
-
-/*
- * Send an interrupt to process.
- *
- * Stack is set up to allow sigcode stored
- * in u. to call routine, followed by kcall
- * to sigreturn routine below.  After sigreturn
- * resets the signal mask, the stack, and the
- * frame pointer, it returns to the user
- * specified pc, psl.
- */
-
-void
-linux_sendsig(sig_t catcher, int sig, int mask, u_long code, int type,
-    union sigval val)
-{
-	struct proc *p = curproc;
-	struct trapframe *tf;
-	struct linux_sigframe *fp, frame;
-	struct sigacts *psp = p->p_p->ps_sigacts;
-	int oonstack;
-
-	tf = p->p_md.md_regs;
-	oonstack = p->p_sigstk.ss_flags & SS_ONSTACK;
-
-	/*
-	 * Allocate space for the signal handler context.
-	 */
-	if ((p->p_sigstk.ss_flags & SS_DISABLE) == 0 && !oonstack &&
-	    (psp->ps_sigonstack & sigmask(sig))) {
-		fp = (struct linux_sigframe *)((char *)p->p_sigstk.ss_sp +
-		    p->p_sigstk.ss_size - sizeof(struct linux_sigframe));
-		p->p_sigstk.ss_flags |= SS_ONSTACK;
-	} else {
-		fp = (struct linux_sigframe *)tf->tf_esp - 1;
-	}
-
-	frame.sf_handler = catcher;
-	frame.sf_sig = bsd_to_linux_sig[sig];
-
-	/*
-	 * Build the signal context to be used by sigreturn.
-	 */
-	frame.sf_sc.sc_mask   = mask;
-#ifdef VM86
-	if (tf->tf_eflags & PSL_VM) {
-		frame.sf_sc.sc_gs = tf->tf_vm86_gs;
-		frame.sf_sc.sc_fs = tf->tf_vm86_fs;
-		frame.sf_sc.sc_es = tf->tf_vm86_es;
-		frame.sf_sc.sc_ds = tf->tf_vm86_ds;
-		frame.sf_sc.sc_eflags = get_vflags(p);
-	} else
-#endif
-	{
-		frame.sf_sc.sc_fs = tf->tf_fs;
-		frame.sf_sc.sc_gs = tf->tf_gs;
-		frame.sf_sc.sc_es = tf->tf_es;
-		frame.sf_sc.sc_ds = tf->tf_ds;
-		frame.sf_sc.sc_eflags = tf->tf_eflags;
-	}
-	frame.sf_sc.sc_edi = tf->tf_edi;
-	frame.sf_sc.sc_esi = tf->tf_esi;
-	frame.sf_sc.sc_ebp = tf->tf_ebp;
-	frame.sf_sc.sc_ebx = tf->tf_ebx;
-	frame.sf_sc.sc_edx = tf->tf_edx;
-	frame.sf_sc.sc_ecx = tf->tf_ecx;
-	frame.sf_sc.sc_eax = tf->tf_eax;
-	frame.sf_sc.sc_eip = tf->tf_eip;
-	frame.sf_sc.sc_cs = tf->tf_cs;
-	frame.sf_sc.sc_esp_at_signal = tf->tf_esp;
-	frame.sf_sc.sc_ss = tf->tf_ss;
-	frame.sf_sc.sc_err = tf->tf_err;
-	frame.sf_sc.sc_trapno = tf->tf_trapno;
-
-	if (copyout(&frame, fp, sizeof(frame)) != 0) {
-		/*
-		 * Process has trashed its stack; give it an illegal
-		 * instruction to halt it in its tracks.
-		 */
-		sigexit(p, SIGILL);
-		/* NOTREACHED */
-	}
-
-	/*
-	 * Build context to run handler in.
-	 */
-	tf->tf_es = GSEL(GUDATA_SEL, SEL_UPL);
-	tf->tf_ds = GSEL(GUDATA_SEL, SEL_UPL);
-	tf->tf_eip = p->p_p->ps_sigcode;
-	tf->tf_cs = GSEL(GUCODE_SEL, SEL_UPL);
-	tf->tf_eflags &= ~(PSL_T|PSL_D|PSL_VM|PSL_AC);
-	tf->tf_esp = (int)fp;
-	tf->tf_ss = GSEL(GUDATA_SEL, SEL_UPL);
-}
-
-/*
- * System call to cleanup state after a signal
- * has been taken.  Reset signal mask and
- * stack state from context left by sendsig (above).
- * Return to previous pc and psl as specified by
- * context left by sendsig. Check carefully to
- * make sure that the user has not modified the
- * psl to gain improper privileges or to cause
- * a machine fault.
- */
-int
-linux_sys_sigreturn(struct proc *p, void *v, register_t *retval)
-{
-	struct linux_sys_sigreturn_args /* {
-		syscallarg(struct linux_sigcontext *) scp;
-	} */ *uap = v;
-	struct linux_sigcontext *scp, context;
-	struct trapframe *tf;
-
-	tf = p->p_md.md_regs;
-
-	/*
-	 * The trampoline code hands us the context.
-	 * It is unsafe to keep track of it ourselves, in the event that a
-	 * program jumps out of a signal handler.
-	 */
-	scp = SCARG(uap, scp);
-	if (copyin((caddr_t)scp, &context, sizeof(*scp)) != 0)
-		return (EFAULT);
-
-	/*
-	 * Restore signal context.
-	 */
-#ifdef VM86
-	if (context.sc_eflags & PSL_VM) {
-		tf->tf_vm86_gs = context.sc_gs;
-		tf->tf_vm86_fs = context.sc_fs;
-		tf->tf_vm86_es = context.sc_es;
-		tf->tf_vm86_ds = context.sc_ds;
-		set_vflags(p, context.sc_eflags);
-	} else
-#endif
-	{
-		/*
-		 * Check for security violations.  If we're returning to
-		 * protected mode, the CPU will validate the segment registers
-		 * automatically and generate a trap on violations.  We handle
-		 * the trap, rather than doing all of the checking here.
-		 */
-		if (((context.sc_eflags ^ tf->tf_eflags) & PSL_USERSTATIC) != 0 ||
-		    !USERMODE(context.sc_cs, context.sc_eflags))
-			return (EINVAL);
-
-		tf->tf_fs = context.sc_fs;
-		tf->tf_gs = context.sc_gs;
-		tf->tf_es = context.sc_es;
-		tf->tf_ds = context.sc_ds;
-		tf->tf_eflags = context.sc_eflags;
-	}
-	tf->tf_edi = context.sc_edi;
-	tf->tf_esi = context.sc_esi;
-	tf->tf_ebp = context.sc_ebp;
-	tf->tf_ebx = context.sc_ebx;
-	tf->tf_edx = context.sc_edx;
-	tf->tf_ecx = context.sc_ecx;
-	tf->tf_eax = context.sc_eax;
-	tf->tf_eip = context.sc_eip;
-	tf->tf_cs = context.sc_cs;
-	tf->tf_esp = context.sc_esp_at_signal;
-	tf->tf_ss = context.sc_ss;
-
-	p->p_sigstk.ss_flags &= ~SS_ONSTACK;
-	p->p_sigmask = context.sc_mask & ~sigcantmask;
-
-	return (EJUSTRETURN);
-}
-
-int
-linux_sys_rt_sigreturn(struct proc *p, void *v, register_t *retval)
-{
-	return(ENOSYS);
-}
-
-#ifdef USER_LDT
-
-int
-linux_read_ldt(struct proc *p, struct linux_sys_modify_ldt_args *uap,
-    register_t *retval)
-{
-	struct i386_get_ldt_args gl;
-	int error;
-	caddr_t sg;
-	char *parms;
-
-	if (user_ldt_enable == 0)
-		return (ENOSYS);
-
-	sg = stackgap_init(p);
-
-	gl.start = 0;
-	gl.desc = SCARG(uap, ptr);
-	gl.num = SCARG(uap, bytecount) / sizeof(union descriptor);
-
-	parms = stackgap_alloc(&sg, sizeof(gl));
-
-	if ((error = copyout(&gl, parms, sizeof(gl))) != 0)
-		return (error);
-
-	if ((error = i386_get_ldt(p, parms, retval)) != 0)
-		return (error);
-
-	*retval *= sizeof(union descriptor);
-	return (0);
-}
-
-struct linux_ldt_info {
-	u_int entry_number;
-	u_long base_addr;
-	u_int limit;
-	u_int seg_32bit:1;
-	u_int contents:2;
-	u_int read_exec_only:1;
-	u_int limit_in_pages:1;
-	u_int seg_not_present:1;
-};
-
-int
-linux_write_ldt(struct proc *p, struct linux_sys_modify_ldt_args *uap,
-    register_t *retval)
-{
-	struct linux_ldt_info ldt_info;
-	struct segment_descriptor sd;
-	struct i386_set_ldt_args sl;
-	int error;
-	caddr_t sg;
-	char *parms;
-
-	if (user_ldt_enable == 0)
-		return (ENOSYS);
-
-	if (SCARG(uap, bytecount) != sizeof(ldt_info))
-		return (EINVAL);
-	if ((error = copyin(SCARG(uap, ptr), &ldt_info, sizeof(ldt_info))) != 0)
-		return error;
-	if (ldt_info.contents == 3)
-		return (EINVAL);
-
-	sg = stackgap_init(p);
-
-	sd.sd_lobase = ldt_info.base_addr & 0xffffff;
-	sd.sd_hibase = (ldt_info.base_addr >> 24) & 0xff;
-	sd.sd_lolimit = ldt_info.limit & 0xffff;
-	sd.sd_hilimit = (ldt_info.limit >> 16) & 0xf;
-	sd.sd_type =
-	    16 | (ldt_info.contents << 2) | (!ldt_info.read_exec_only << 1);
-	sd.sd_dpl = SEL_UPL;
-	sd.sd_p = !ldt_info.seg_not_present;
-	sd.sd_def32 = ldt_info.seg_32bit;
-	sd.sd_gran = ldt_info.limit_in_pages;
-
-	sl.start = ldt_info.entry_number;
-	sl.desc = stackgap_alloc(&sg, sizeof(sd));
-	sl.num = 1;
-
-#if 0
-	printf("linux_write_ldt: idx=%d, base=%x, limit=%x\n",
-	    ldt_info.entry_number, ldt_info.base_addr, ldt_info.limit);
-#endif
-
-	parms = stackgap_alloc(&sg, sizeof(sl));
-
-	if ((error = copyout(&sd, sl.desc, sizeof(sd))) != 0)
-		return (error);
-	if ((error = copyout(&sl, parms, sizeof(sl))) != 0)
-		return (error);
-
-	if ((error = i386_set_ldt(p, parms, retval)) != 0)
-		return (error);
-
-	*retval = 0;
-	return (0);
-}
-
-#endif /* USER_LDT */
-
-int
-linux_sys_modify_ldt(struct proc *p, void *v, register_t *retval)
-{
-	struct linux_sys_modify_ldt_args /* {
-		syscallarg(int) func;
-		syscallarg(void *) ptr;
-		syscallarg(size_t) bytecount;
-	} */ *uap = v;
-
-	switch (SCARG(uap, func)) {
-#ifdef USER_LDT
-	case 0:
-		return (linux_read_ldt(p, uap, retval));
-
-	case 1:
-		return (linux_write_ldt(p, uap, retval));
-#endif /* USER_LDT */
-
-	default:
-		return (ENOSYS);
-	}
-}
-
-/*
- * XXX Pathetic hack to make svgalib work. This will fake the major
- * device number of an opened VT so that svgalib likes it. grmbl.
- * Should probably do it 'wrong the right way' and use a mapping
- * array for all major device numbers, and map linux_mknod too.
- */
-dev_t
-linux_fakedev(dev_t dev)
-{
-
-	if (major(dev) == NATIVE_CONS_MAJOR)
-		return makedev(LINUX_CONS_MAJOR, (minor(dev) + 1));
-	return dev;
-}
-
-/*
- * We come here in a last attempt to satisfy a Linux ioctl() call
- */
-int
-linux_machdepioctl(struct proc *p, void *v, register_t *retval)
-{
-	struct linux_sys_ioctl_args /* {
-		syscallarg(int) fd;
-		syscallarg(u_long) com;
-		syscallarg(caddr_t) data;
-	} */ *uap = v;
-	struct sys_ioctl_args bia;
-	u_long com;
-	int error;
-#if (NWSDISPLAY > 0 && defined(WSDISPLAY_COMPAT_USL))
-	struct vt_mode lvt;
-	caddr_t bvtp, sg;
-#endif
-	struct filedesc *fdp;
-	struct file *fp;
-	int fd;
-	int (*ioctlf)(struct file *, u_long, caddr_t, struct proc *);
-	struct ioctl_pt pt;
-
-	fd = SCARG(uap, fd);
-	SCARG(&bia, fd) = SCARG(uap, fd);
-	SCARG(&bia, data) = SCARG(uap, data);
-	com = SCARG(uap, com);
-
-	fdp = p->p_fd;
-	if ((fp = fd_getfile(fdp, fd)) == NULL)
-		return (EBADF);
-
-	switch (com) {
-#if (NWSDISPLAY > 0 && defined(WSDISPLAY_COMPAT_USL))
-	case LINUX_KDGKBMODE:
-		com = KDGKBMODE;
-		break;
-	case LINUX_KDSKBMODE:
-		com = KDSKBMODE;
-		if ((unsigned)SCARG(uap, data) == LINUX_K_MEDIUMRAW)
-			SCARG(&bia, data) = (caddr_t)K_RAW;
-		break;
-	case LINUX_KIOCSOUND:
-		SCARG(&bia, data) =
-			(caddr_t)(((unsigned long)SCARG(&bia, data)) & 0xffff);
-		/* FALLTHROUGH */
-	case LINUX_KDMKTONE:
-		com = KDMKTONE;
-		break;
-	case LINUX_KDSETMODE:
-		com = KDSETMODE;
-		break;
-	case LINUX_KDGETMODE:
-#if NWSDISPLAY > 0 && defined(WSDISPLAY_COMPAT_USL)
-		com = WSDISPLAYIO_GMODE;
-#else
-		com = KDGETMODE;
-#endif
-		break;
-	case LINUX_KDENABIO:
-		com = KDENABIO;
-		break;
-	case LINUX_KDDISABIO:
-		com = KDDISABIO;
-		break;
-	case LINUX_KDGETLED:
-		com = KDGETLED;
-		break;
-	case LINUX_KDSETLED:
-		com = KDSETLED;
-		break;
-	case LINUX_VT_OPENQRY:
-		com = VT_OPENQRY;
-		break;
-	case LINUX_VT_GETMODE: {
-		int sig;
-
-		SCARG(&bia, com) = VT_GETMODE;
-		if ((error = sys_ioctl(p, &bia, retval)))
-			return error;
-		if ((error = copyin(SCARG(uap, data), (caddr_t)&lvt,
-		    sizeof (struct vt_mode))))
-			return error;
-		/* We need to bounds check here in case there
-		   is a race with another thread */
-		if ((error = bsd_to_linux_signal(lvt.relsig, &sig)))
-			return error;
-		lvt.relsig = sig;
-
-		if ((error = bsd_to_linux_signal(lvt.acqsig, &sig)))
-			return error;
-		lvt.acqsig = sig;
-		
-		if ((error = bsd_to_linux_signal(lvt.frsig, &sig)))
-			return error;
-		lvt.frsig = sig;
-
-		return copyout((caddr_t)&lvt, SCARG(uap, data),
-		    sizeof (struct vt_mode));
-	}
-	case LINUX_VT_SETMODE: {
-		int sig;
-
-		com = VT_SETMODE;
-		if ((error = copyin(SCARG(uap, data), (caddr_t)&lvt,
-		    sizeof (struct vt_mode))))
-			return error;
-		if ((error = linux_to_bsd_signal(lvt.relsig, &sig)))
-			return error;
-		lvt.relsig = sig;
-
-		if ((error = linux_to_bsd_signal(lvt.acqsig, &sig)))
-			return error;
-		lvt.acqsig = sig;
-
-		if ((error = linux_to_bsd_signal(lvt.frsig, &sig)))
-			return error;
-		lvt.frsig = sig;
-
-		sg = stackgap_init(p);
-		bvtp = stackgap_alloc(&sg, sizeof (struct vt_mode));
-		if ((error = copyout(&lvt, bvtp, sizeof (struct vt_mode))))
-			return error;
-		SCARG(&bia, data) = bvtp;
-		break;
-	}
-	case LINUX_VT_DISALLOCATE:
-		/* XXX should use WSDISPLAYIO_DELSCREEN */
-		return 0;
-	case LINUX_VT_RELDISP:
-		com = VT_RELDISP;
-		break;
-	case LINUX_VT_ACTIVATE:
-		com = VT_ACTIVATE;
-		break;
-	case LINUX_VT_WAITACTIVE:
-		com = VT_WAITACTIVE;
-		break;
-	case LINUX_VT_GETSTATE:
-		com = VT_GETSTATE;
-		break;
-	case LINUX_KDGKBTYPE:
-	{
-		char tmp = KB_101;
-
-		/* This is what Linux does */
-		return copyout(&tmp, SCARG(uap, data), sizeof(char));
-	}
-#endif
-	default:
-		/*
-		 * Unknown to us. If it's on a device, just pass it through
-		 * using PTIOCLINUX, the device itself might be able to
-		 * make some sense of it.
-		 * XXX hack: if the function returns EJUSTRETURN,
-		 * it has stuffed a sysctl return value in pt.data.
-		 */
-		FREF(fp);
-		ioctlf = fp->f_ops->fo_ioctl;
-		pt.com = SCARG(uap, com);
-		pt.data = SCARG(uap, data);
-		error = ioctlf(fp, PTIOCLINUX, (caddr_t)&pt, p);
-		FRELE(fp, p);
-		if (error == EJUSTRETURN) {
-			retval[0] = (register_t)pt.data;
-			error = 0;
-		}
-
-		if (error == ENOTTY)
-			printf("linux_machdepioctl: invalid ioctl %08lx\n",
-			    com);
-		return (error);
-	}
-	SCARG(&bia, com) = com;
-	return sys_ioctl(p, &bia, retval);
-}
-
-/*
- * Set I/O permissions for a process. Just set the maximum level
- * right away (ignoring the argument), otherwise we would have
- * to rely on I/O permission maps, which are not implemented.
- */
-int
-linux_sys_iopl(struct proc *p, void *v, register_t *retval)
-{
-#if 0
-	struct linux_sys_iopl_args /* {
-		syscallarg(int) level;
-	} */ *uap = v;
-#endif
-	struct trapframe *fp = p->p_md.md_regs;
-
-	if (suser(p, 0) != 0)
-		return EPERM;
-	if (securelevel > 0)
-		return EPERM;
-	fp->tf_eflags |= PSL_IOPL;
-	*retval = 0;
-	return 0;
-}
-
-/*
- * See above. If a root process tries to set access to an I/O port,
- * just let it have the whole range.
- */
-int
-linux_sys_ioperm(struct proc *p, void *v, register_t *retval)
-{
-	struct linux_sys_ioperm_args /* {
-		syscallarg(unsigned int) lo;
-		syscallarg(unsigned int) hi;
-		syscallarg(int) val;
-	} */ *uap = v;
-	struct trapframe *fp = p->p_md.md_regs;
-
-	if (suser(p, 0) != 0)
-		return EPERM;
-	if (securelevel > 0)
-		return EPERM;
-	if (SCARG(uap, val))
-		fp->tf_eflags |= PSL_IOPL;
-	*retval = 0;
-	return 0;
-}
-
-int
-linux_sys_set_thread_area(struct proc *p, void *v, register_t *retval)
-{
-	struct linux_sys_set_thread_area_args *uap = v;
-	struct l_segment_descriptor ldesc;
-	int error;
-
-	error = copyin(SCARG(uap, desc), &ldesc, sizeof ldesc);
-	if (error != 0)
-		return error;
-
-	if (ldesc.entry_number == -1) {
-		ldesc.entry_number = GUGS_SEL;
-		if ((error = copyout(&ldesc, SCARG(uap, desc), sizeof ldesc)))
-			return error;
-	} else if (ldesc.entry_number != GUGS_SEL)
-		return EINVAL;
-
-	return i386_set_threadbase(p, ldesc.base_addr, TSEG_GS);
-}
-
-int
-linux_sys_get_thread_area(struct proc *p, void *v, register_t *retval)
-{
-	struct linux_sys_get_thread_area_args *uap = v;
-	struct l_segment_descriptor info;
-	int error;
-	int idx;
-
-	error = copyin(SCARG(uap, desc), &info, sizeof(info));
-	if (error)
-		return error;
-
-	idx = info.entry_number;
-	if (idx != GUGS_SEL)
-		return (EINVAL);
-
-	info.base_addr = i386_get_threadbase(p, TSEG_GS);
-	info.limit = atop(VM_MAXUSER_ADDRESS) - 1;
-	info.seg_32bit = 1;
-	info.contents = 0;
-	info.read_exec_only = 0;	/* SDT_MEMRWA */
-	info.limit_in_pages = 1;
-	info.seg_not_present = 0;
-	info.useable = 1;
-
-	return (copyout(&info, SCARG(uap, desc), sizeof(SCARG(uap, desc))));
-}
diff --git a/sys/arch/i386/include/linux_machdep.h b/sys/arch/i386/include/linux_machdep.h
deleted file mode 100644
index 4b9b2f5bcc8..00000000000
--- a/sys/arch/i386/include/linux_machdep.h
+++ /dev/null
@@ -1,137 +0,0 @@
-/*	$OpenBSD: linux_machdep.h,v 1.10 2011/04/04 21:50:41 pirofti Exp $	*/
-/*	$NetBSD: linux_machdep.h,v 1.5 1996/05/03 19:26:28 christos Exp $	*/
-
-/*
- * Copyright (c) 1995 Frank van der Linden
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *      This product includes software developed for the NetBSD Project
- *      by Frank van der Linden
- * 4. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _LINUX_MACHDEP_H
-#define _LINUX_MACHDEP_H
-
-/*
- * The Linux sigcontext, pretty much a standard 386 trapframe.
- */
-
-struct linux_sigcontext {
-	int	sc_gs;
-	int	sc_fs;
-	int     sc_es;
-	int     sc_ds;
-	int     sc_edi;
-	int     sc_esi;
-	int     sc_ebp;
-	int	sc_esp;
-	int     sc_ebx;
-	int     sc_edx;
-	int     sc_ecx;
-	int     sc_eax;
-	int     sc_trapno;
-	int     sc_err;
-	int     sc_eip;
-	int     sc_cs;
-	int     sc_eflags;
-	int     sc_esp_at_signal;
-	int     sc_ss;
-	int	sc_387;
-	int	sc_mask;
-	int	sc_cr2;
-};
-
-/*
- * We make the stack look like Linux expects it when calling a signal
- * handler, but use the BSD way of calling the handler and sigreturn().
- * This means that we need to pass the pointer to the handler too.
- * It is appended to the frame to not interfere with the rest of it.
- */
-
-struct linux_sigframe {
-	int	sf_sig;
-	struct	linux_sigcontext sf_sc;
-	sig_t	sf_handler;
-};
-
-#ifdef _KERNEL
-void linux_sendsig(sig_t, int, int, u_long, int, union sigval);
-dev_t linux_fakedev(dev_t);
-#endif
-
-/*
- * Major device numbers of VT device on both Linux and NetBSD. Used in
- * ugly patch to fake device numbers.
- */
-#define LINUX_CONS_MAJOR   4
-#define NATIVE_CONS_MAJOR 12
-
-/*
- * Linux ioctl calls for the keyboard.
- */
-#define LINUX_KDGKBMODE   0x4b44
-#define LINUX_KDSKBMODE   0x4b45
-#define LINUX_KDMKTONE    0x4b30
-#define LINUX_KDSETMODE   0x4b3a
-#define LINUX_KDGETMODE   0x4b3b
-#define LINUX_KDENABIO    0x4b36
-#define LINUX_KDDISABIO   0x4b37
-#define LINUX_KDGETLED    0x4b31
-#define LINUX_KDSETLED    0x4b32
-#define	LINUX_KDGKBTYPE   0x4b33
-#define	LINUX_KDGKBENT    0x4b46
-#define	LINUX_KIOCSOUND   0x4b2f
-
-/*
- * Mode for KDSKBMODE which we don't have (we just use plain mode for this)
- */
-#define LINUX_K_MEDIUMRAW 2
-
-/*
- * VT ioctl calls in Linux (the ones that pcvt can handle)
- */
-#define LINUX_VT_OPENQRY    0x5600
-#define LINUX_VT_GETMODE    0x5601
-#define LINUX_VT_SETMODE    0x5602
-#define LINUX_VT_GETSTATE   0x5603
-#define LINUX_VT_RELDISP    0x5605
-#define LINUX_VT_ACTIVATE   0x5606
-#define LINUX_VT_WAITACTIVE 0x5607
-#define LINUX_VT_DISALLOCATE 0x5608
-
-struct l_segment_descriptor {
-	unsigned int	entry_number;
-	unsigned int	base_addr;
-	unsigned int	limit;
-	unsigned int	seg_32bit:1;
-	unsigned int	contents:2;
-	unsigned int	read_exec_only:1;
-	unsigned int	limit_in_pages:1;
-	unsigned int	seg_not_present:1;
-	unsigned int	useable:1;
-};
-
-#endif /* _LINUX_MACHDEP_H */