syscall.c (9ff77c469ed16221c6a4e882e48e4f0dcf451bda) syscall.c (3c37026d43c47bec4710cbda286f4a17f416f5e6)
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1995, 1996, 1997, 2000, 2001, 05 by Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 * Copyright (C) 2001 MIPS Technologies, Inc.
9 */
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1995, 1996, 1997, 2000, 2001, 05 by Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 * Copyright (C) 2001 MIPS Technologies, Inc.
9 */
10#include <linux/config.h>
10#include <linux/a.out.h>
11#include <linux/errno.h>
12#include <linux/linkage.h>
13#include <linux/mm.h>
14#include <linux/smp.h>
15#include <linux/smp_lock.h>
16#include <linux/mman.h>
17#include <linux/ptrace.h>

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171}
172
173save_static_function(sys_clone);
174__attribute_used__ noinline static int
175_sys_clone(nabi_no_regargs struct pt_regs regs)
176{
177 unsigned long clone_flags;
178 unsigned long newsp;
11#include <linux/a.out.h>
12#include <linux/errno.h>
13#include <linux/linkage.h>
14#include <linux/mm.h>
15#include <linux/smp.h>
16#include <linux/smp_lock.h>
17#include <linux/mman.h>
18#include <linux/ptrace.h>

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172}
173
174save_static_function(sys_clone);
175__attribute_used__ noinline static int
176_sys_clone(nabi_no_regargs struct pt_regs regs)
177{
178 unsigned long clone_flags;
179 unsigned long newsp;
179 int *parent_tidptr, *child_tidptr;
180 int __user *parent_tidptr, *child_tidptr;
180
181 clone_flags = regs.regs[4];
182 newsp = regs.regs[5];
183 if (!newsp)
184 newsp = regs.regs[29];
181
182 clone_flags = regs.regs[4];
183 newsp = regs.regs[5];
184 if (!newsp)
185 newsp = regs.regs[29];
185 parent_tidptr = (int *) regs.regs[6];
186 child_tidptr = (int *) regs.regs[7];
186 parent_tidptr = (int __user *) regs.regs[6];
187#ifdef CONFIG_32BIT
188 /* We need to fetch the fifth argument off the stack. */
189 child_tidptr = NULL;
190 if (clone_flags & (CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)) {
191 int __user *__user *usp = (int __user *__user *) regs.regs[29];
192 if (regs.regs[2] == __NR_syscall) {
193 if (get_user (child_tidptr, &usp[5]))
194 return -EFAULT;
195 }
196 else if (get_user (child_tidptr, &usp[4]))
197 return -EFAULT;
198 }
199#else
200 child_tidptr = (int __user *) regs.regs[8];
201#endif
187 return do_fork(clone_flags, newsp, &regs, 0,
188 parent_tidptr, child_tidptr);
189}
190
191/*
192 * sys_execve() executes a new program.
193 */
194asmlinkage int sys_execve(nabi_no_regargs struct pt_regs regs)

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240 error -= __put_user(0,name->version+__OLD_UTS_LEN);
241 error -= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN);
242 error = __put_user(0,name->machine+__OLD_UTS_LEN);
243 error = error ? -EFAULT : 0;
244
245 return error;
246}
247
202 return do_fork(clone_flags, newsp, &regs, 0,
203 parent_tidptr, child_tidptr);
204}
205
206/*
207 * sys_execve() executes a new program.
208 */
209asmlinkage int sys_execve(nabi_no_regargs struct pt_regs regs)

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255 error -= __put_user(0,name->version+__OLD_UTS_LEN);
256 error -= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN);
257 error = __put_user(0,name->machine+__OLD_UTS_LEN);
258 error = error ? -EFAULT : 0;
259
260 return error;
261}
262
263void sys_set_thread_area(unsigned long addr)
264{
265 struct thread_info *ti = current->thread_info;
266
267 ti->tp_value = addr;
268
269 /* If some future MIPS implementation has this register in hardware,
270 * we will need to update it here (and in context switches). */
271}
272
248asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
249{
250 int tmp, len;
251 char *name;
252
253 switch(cmd) {
254 case SETNAME: {
255 char nodename[__NEW_UTS_LEN + 1];

--- 139 unchanged lines hidden --- 		273asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
274{
275 int tmp, len;
276 char *name;
277
278 switch(cmd) {
279 case SETNAME: {
280 char nodename[__NEW_UTS_LEN + 1];

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