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Diffstat (limited to 'arch/um/sys-i386/ldt.c')
-rw-r--r--arch/um/sys-i386/ldt.c99
1 files changed, 0 insertions, 99 deletions
diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c
deleted file mode 100644
index dc755b0b9db..00000000000
--- a/arch/um/sys-i386/ldt.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include "linux/config.h"
-#include "linux/slab.h"
-#include "asm/uaccess.h"
-#include "asm/ptrace.h"
-#include "choose-mode.h"
-#include "kern.h"
-
-#ifdef CONFIG_MODE_TT
-extern int modify_ldt(int func, void *ptr, unsigned long bytecount);
-
-/* XXX this needs copy_to_user and copy_from_user */
-
-int sys_modify_ldt_tt(int func, void __user *ptr, unsigned long bytecount)
-{
- if (!access_ok(VERIFY_READ, ptr, bytecount))
- return -EFAULT;
-
- return modify_ldt(func, ptr, bytecount);
-}
-#endif
-
-#ifdef CONFIG_MODE_SKAS
-extern int userspace_pid[];
-
-#include "skas_ptrace.h"
-
-int sys_modify_ldt_skas(int func, void __user *ptr, unsigned long bytecount)
-{
- struct ptrace_ldt ldt;
- void *buf;
- int res, n;
-
- buf = kmalloc(bytecount, GFP_KERNEL);
- if(buf == NULL)
- return(-ENOMEM);
-
- res = 0;
-
- switch(func){
- case 1:
- case 0x11:
- res = copy_from_user(buf, ptr, bytecount);
- break;
- }
-
- if(res != 0){
- res = -EFAULT;
- goto out;
- }
-
- ldt = ((struct ptrace_ldt) { .func = func,
- .ptr = buf,
- .bytecount = bytecount });
-#warning Need to look up userspace_pid by cpu
- res = ptrace(PTRACE_LDT, userspace_pid[0], 0, (unsigned long) &ldt);
- if(res < 0)
- goto out;
-
- switch(func){
- case 0:
- case 2:
- n = res;
- res = copy_to_user(ptr, buf, n);
- if(res != 0)
- res = -EFAULT;
- else
- res = n;
- break;
- }
-
- out:
- kfree(buf);
- return(res);
-}
-#endif
-
-int sys_modify_ldt(int func, void __user *ptr, unsigned long bytecount)
-{
- return(CHOOSE_MODE_PROC(sys_modify_ldt_tt, sys_modify_ldt_skas, func,
- ptr, bytecount));
-}
-
-
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */