LXR linux/arch/um/include/shared/as-layout.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * Copyright (C) 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
   4 */
   5
   6#ifndef __START_H__
   7#define __START_H__
   8
   9#include <generated/asm-offsets.h>
  10
  11/*
  12 * Stolen from linux/const.h, which can't be directly included since
  13 * this is used in userspace code, which has no access to the kernel
  14 * headers.  Changed to be suitable for adding casts to the start,
  15 * rather than "UL" to the end.
  16 */
  17
  18/* Some constant macros are used in both assembler and
  19 * C code.  Therefore we cannot annotate them always with
  20 * 'UL' and other type specifiers unilaterally.  We
  21 * use the following macros to deal with this.
  22 */
  23#define STUB_START stub_start
  24#define STUB_CODE STUB_START
  25#define STUB_DATA (STUB_CODE + UM_KERN_PAGE_SIZE)
  26#define STUB_END (STUB_DATA + UM_KERN_PAGE_SIZE)
  27
  28#ifndef __ASSEMBLY__
  29
  30#include <sysdep/ptrace.h>
  31
  32struct cpu_task {
  33        int pid;
  34        void *task;
  35};
  36
  37extern struct cpu_task cpu_tasks[];
  38
  39extern unsigned long high_physmem;
  40extern unsigned long uml_physmem;
  41extern unsigned long uml_reserved;
  42extern unsigned long end_vm;
  43extern unsigned long start_vm;
  44extern unsigned long long highmem;
  45
  46extern unsigned long brk_start;
  47
  48extern unsigned long host_task_size;
  49extern unsigned long stub_start;
  50
  51extern int linux_main(int argc, char **argv);
  52extern void uml_finishsetup(void);
  53
  54struct siginfo;
  55extern void (*sig_info[])(int, struct siginfo *si, struct uml_pt_regs *);
  56
  57#endif
  58
  59#endif
  60