return error;
}
-/*
- * This is the lowest virtual address we can permit any user space
- * mapping to be mapped at. This is particularly important for
- * non-high vector CPUs.
- */
-#define MIN_MAP_ADDR (PAGE_SIZE)
-
/* common code for old and new mmaps */
inline long do_mmap2(
unsigned long addr, unsigned long len,
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
- if (flags & MAP_FIXED && addr < MIN_MAP_ADDR)
+ if (flags & MAP_FIXED && addr < FIRST_USER_ADDRESS)
goto out;
error = -EBADF;
{
unsigned long ret = -EINVAL;
- if (flags & MREMAP_FIXED && new_addr < MIN_MAP_ADDR)
+ if (flags & MREMAP_FIXED && new_addr < FIRST_USER_ADDRESS)
goto out;
down_write(¤t->mm->mmap_sem);
return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
}
+#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
/*
* sys_ipc() is the de-multiplexer for the SysV IPC calls..
*
switch (call) {
case SEMOP:
- return sys_semop(first, (struct sembuf __user *)ptr, second);
+ return sys_semtimedop (first, (struct sembuf __user *)ptr, second, NULL);
+ case SEMTIMEDOP:
+ return sys_semtimedop(first, (struct sembuf __user *)ptr, second,
+ (const struct timespec __user *)fifth);
+
case SEMGET:
return sys_semget (first, second, third);
case SEMCTL: {
return -ENOSYS;
}
}
+#endif
/* Fork a new task - this creates a new program thread.
* This is called indirectly via a small wrapper
*/
asmlinkage int sys_fork(struct pt_regs *regs)
{
+#ifdef CONFIG_MMU
return do_fork(SIGCHLD, regs->ARM_sp, regs, 0, NULL, NULL);
+#else
+ /* can not support in nommu mode */
+ return(-EINVAL);
+#endif
}
/* Clone a task - this clones the calling program thread.
* This is called indirectly via a small wrapper
*/
-asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp, struct pt_regs *regs)
+asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
+ int __user *parent_tidptr, int tls_val,
+ int __user *child_tidptr, struct pt_regs *regs)
{
- /*
- * We don't support SETTID / CLEARTID
- */
- if (clone_flags & (CLONE_PARENT_SETTID | CLONE_CHILD_CLEARTID))
- return -EINVAL;
-
if (!newsp)
newsp = regs->ARM_sp;
- return do_fork(clone_flags, newsp, regs, 0, NULL, NULL);
+ return do_fork(clone_flags, newsp, regs, 0, parent_tidptr, child_tidptr);
}
asmlinkage int sys_vfork(struct pt_regs *regs)
return error;
}
-long execve(const char *filename, char **argv, char **envp)
+int kernel_execve(const char *filename, char *const argv[], char *const envp[])
{
struct pt_regs regs;
int ret;
"b ret_to_user"
:
: "r" (current_thread_info()),
- "Ir" (THREAD_SIZE - 8 - sizeof(regs)),
+ "Ir" (THREAD_START_SP - sizeof(regs)),
"r" (®s),
"Ir" (sizeof(regs))
- : "r0", "r1", "r2", "r3", "ip", "memory");
+ : "r0", "r1", "r2", "r3", "ip", "lr", "memory");
out:
return ret;
}
-EXPORT_SYMBOL(execve);
+EXPORT_SYMBOL(kernel_execve);
+
+/*
+ * Since loff_t is a 64 bit type we avoid a lot of ABI hastle
+ * with a different argument ordering.
+ */
+asmlinkage long sys_arm_fadvise64_64(int fd, int advice,
+ loff_t offset, loff_t len)
+{
+ return sys_fadvise64_64(fd, offset, len, advice);
+}
+
+/*
+ * Yet more syscall fsckage - we can't fit sys_sync_file_range's
+ * arguments into the available registers with EABI. So, let's
+ * create an ARM specific syscall for this which has _sane_
+ * arguments. (This incidentally also has an ABI-independent
+ * argument layout.)
+ */
+asmlinkage long sys_arm_sync_file_range(int fd, unsigned int flags,
+ loff_t offset, loff_t nbytes)
+{
+ return sys_sync_file_range(fd, offset, nbytes, flags);
+}