2 * Copyright 2003 PathScale, Inc.
4 * Licensed under the GPL
7 #include "linux/linkage.h"
8 #include "linux/slab.h"
10 #include "linux/utsname.h"
11 #include "linux/personality.h"
12 #include "linux/sched.h"
13 #include "linux/vs_cvirt.h"
14 #include "asm/uaccess.h"
15 #define __FRAME_OFFSETS
16 #include "asm/ptrace.h"
17 #include "asm/unistd.h"
18 #include "asm/prctl.h" /* XXX This should get the constants from libc */
19 #include "choose-mode.h"
22 asmlinkage long sys_uname64(struct new_utsname __user * name)
26 err = copy_to_user(name, vx_new_utsname(), sizeof (*name));
28 if (personality(current->personality) == PER_LINUX32)
29 err |= copy_to_user(&name->machine, "i686", 5);
30 return err ? -EFAULT : 0;
34 extern long arch_prctl(int code, unsigned long addr);
36 static long arch_prctl_tt(int code, unsigned long addr)
44 ret = arch_prctl(code, addr);
48 ret = arch_prctl(code, (unsigned long) &tmp);
50 ret = put_user(tmp, &addr);
61 #ifdef CONFIG_MODE_SKAS
63 /* XXX: Must also call arch_prctl in the host, beside saving the segment bases! */
64 static long arch_prctl_skas(int code, unsigned long addr)
70 current->thread.regs.regs.skas.regs[FS_BASE / sizeof(unsigned long)] = addr;
73 current->thread.regs.regs.skas.regs[GS_BASE / sizeof(unsigned long)] = addr;
76 ret = put_user(current->thread.regs.regs.skas.
77 regs[FS_BASE / sizeof(unsigned long)],
78 (unsigned long __user *)addr);
81 ret = put_user(current->thread.regs.regs.skas.
82 regs[GS_BASE / sizeof(unsigned long)],
83 (unsigned long __user *)addr);
94 long sys_arch_prctl(int code, unsigned long addr)
96 return(CHOOSE_MODE_PROC(arch_prctl_tt, arch_prctl_skas, code, addr));
99 long sys_clone(unsigned long clone_flags, unsigned long newsp,
100 void __user *parent_tid, void __user *child_tid)
105 newsp = UPT_SP(¤t->thread.regs.regs);
106 current->thread.forking = 1;
107 ret = do_fork(clone_flags, newsp, ¤t->thread.regs, 0, parent_tid,
109 current->thread.forking = 0;