2 * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
3 * Licensed under the GPL
6 #ifndef __USER_UTIL_H__
7 #define __USER_UTIL_H__
9 #include "sysdep/ptrace.h"
11 /* Copied from kernel.h */
12 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
14 #define CATCH_EINTR(expr) while ((errno = 0, ((expr) < 0)) && (errno == EINTR))
18 extern int grantpt(int __fd);
19 extern int unlockpt(int __fd);
20 extern char *ptsname(int __fd);
27 extern struct cpu_task cpu_tasks[];
29 extern void (*sig_info[])(int, union uml_pt_regs *);
31 extern unsigned long low_physmem;
32 extern unsigned long high_physmem;
33 extern unsigned long uml_physmem;
34 extern unsigned long uml_reserved;
35 extern unsigned long end_vm;
36 extern unsigned long start_vm;
37 extern unsigned long long highmem;
39 extern char host_info[];
41 extern char saved_command_line[];
43 extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end;
44 extern unsigned long _unprotected_end;
45 extern unsigned long brk_start;
47 extern int pty_output_sigio;
48 extern int pty_close_sigio;
50 extern void *add_signal_handler(int sig, void (*handler)(int));
51 extern int linux_main(int argc, char **argv);
52 extern void set_cmdline(char *cmd);
53 extern void input_cb(void (*proc)(void *), void *arg, int arg_len);
54 extern int get_pty(void);
55 extern void *um_kmalloc(int size);
56 extern int switcheroo(int fd, int prot, void *from, void *to, int size);
57 extern void do_exec(int old_pid, int new_pid);
58 extern void tracer_panic(char *msg, ...)
59 __attribute__ ((format (printf, 1, 2)));
60 extern int detach(int pid, int sig);
61 extern int attach(int pid);
62 extern void kill_child_dead(int pid);
63 extern int cont(int pid);
64 extern void check_sigio(void);
65 extern void arch_check_bugs(void);
66 extern int cpu_feature(char *what, char *buf, int len);
67 extern int arch_handle_signal(int sig, union uml_pt_regs *regs);
68 extern int arch_fixup(unsigned long address, void *sc_ptr);
69 extern void arch_init_thread(void);
70 extern int raw(int fd);