1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ENTRY_H
 3#define _ENTRY_H
 4
 5#include <linux/percpu.h>
 6#include <linux/types.h>
 7#include <linux/signal.h>
 8#include <asm/extable.h>
 9#include <asm/ptrace.h>
10#include <asm/idle.h>
11
12extern void *restart_stack;
 
 
13
14void system_call(void);
15void pgm_check_handler(void);
16void ext_int_handler(void);
17void io_int_handler(void);
18void mcck_int_handler(void);
19void restart_int_handler(void);
20void early_pgm_check_handler(void);
21
22void __ret_from_fork(struct task_struct *prev, struct pt_regs *regs);
23void __do_pgm_check(struct pt_regs *regs);
24void __do_syscall(struct pt_regs *regs, int per_trap);
25void __do_early_pgm_check(struct pt_regs *regs);
26
27void do_protection_exception(struct pt_regs *regs);
28void do_dat_exception(struct pt_regs *regs);
29void do_secure_storage_access(struct pt_regs *regs);
30void do_non_secure_storage_access(struct pt_regs *regs);
31void do_secure_storage_violation(struct pt_regs *regs);
32void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str);
33void kernel_stack_overflow(struct pt_regs * regs);
34void handle_signal32(struct ksignal *ksig, sigset_t *oldset,
35		     struct pt_regs *regs);
 
36
37void do_io_irq(struct pt_regs *regs);
38void do_ext_irq(struct pt_regs *regs);
39void do_restart(void *arg);
40void __init startup_init(void);
41void die(struct pt_regs *regs, const char *str);
42int setup_profiling_timer(unsigned int multiplier);
43unsigned long prepare_ftrace_return(unsigned long parent, unsigned long sp, unsigned long ip);
44
45struct s390_mmap_arg_struct;
46struct fadvise64_64_args;
47struct old_sigaction;
48
49long sys_rt_sigreturn(void);
50long sys_sigreturn(void);
51
52long sys_s390_personality(unsigned int personality);
53long sys_s390_runtime_instr(int command, int signum);
54long sys_s390_guarded_storage(int command, struct gs_cb __user *);
55long sys_s390_pci_mmio_write(unsigned long, const void __user *, size_t);
56long sys_s390_pci_mmio_read(unsigned long, void __user *, size_t);
57long sys_s390_sthyi(unsigned long function_code, void __user *buffer, u64 __user *return_code, unsigned long flags);
58
59DECLARE_PER_CPU(u64, mt_cycles[8]);
60
61unsigned long stack_alloc(void);
62void stack_free(unsigned long stack);
63
64extern char kprobes_insn_page[];
65
66extern char _samode31[], _eamode31[];
67extern char _stext_amode31[], _etext_amode31[];
68extern struct exception_table_entry _start_amode31_ex_table[];
69extern struct exception_table_entry _stop_amode31_ex_table[];
70
71#define __amode31_data __section(".amode31.data")
72#define __amode31_ref __section(".amode31.refs")
73extern long _start_amode31_refs[], _end_amode31_refs[];
74
75#endif /* _ENTRY_H */

 
 1#ifndef _ENTRY_H
 2#define _ENTRY_H
 3
 
 4#include <linux/types.h>
 5#include <linux/signal.h>
 
 6#include <asm/ptrace.h>
 
 7
 8void do_protection_exception(struct pt_regs *, long, unsigned long);
 9void do_dat_exception(struct pt_regs *, long, unsigned long);
10void do_asce_exception(struct pt_regs *, long, unsigned long);
11
12extern int sysctl_userprocess_debug;
13
14void do_per_trap(struct pt_regs *regs);
15void syscall_trace(struct pt_regs *regs, int entryexit);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
16void kernel_stack_overflow(struct pt_regs * regs);
17void do_signal(struct pt_regs *regs);
18int handle_signal32(unsigned long sig, struct k_sigaction *ka,
19		    siginfo_t *info, sigset_t *oldset, struct pt_regs *regs);
20
21void do_extint(struct pt_regs *regs, unsigned int, unsigned int, unsigned long);
22int __cpuinit start_secondary(void *cpuvoid);
 
23void __init startup_init(void);
24void die(const char * str, struct pt_regs * regs, long err);
 
 
25
26struct s390_mmap_arg_struct;
27struct fadvise64_64_args;
28struct old_sigaction;
29
30long sys_mmap2(struct s390_mmap_arg_struct __user  *arg);
31long sys_s390_ipc(uint call, int first, unsigned long second,
32	     unsigned long third, void __user *ptr);
33long sys_s390_personality(unsigned int personality);
34long sys_s390_fadvise64(int fd, u32 offset_high, u32 offset_low,
35		    size_t len, int advice);
36long sys_s390_fadvise64_64(struct fadvise64_64_args __user *args);
37long sys_s390_fallocate(int fd, int mode, loff_t offset, u32 len_high,
38			u32 len_low);
39long sys_fork(void);
40long sys_clone(unsigned long newsp, unsigned long clone_flags,
41	       int __user *parent_tidptr, int __user *child_tidptr);
42long sys_vfork(void);
43void execve_tail(void);
44long sys_execve(const char __user *name, const char __user *const __user *argv,
45		const char __user *const __user *envp);
46long sys_sigsuspend(int history0, int history1, old_sigset_t mask);
47long sys_sigaction(int sig, const struct old_sigaction __user *act,
48		   struct old_sigaction __user *oact);
49long sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss);
50long sys_sigreturn(void);
51long sys_rt_sigreturn(void);
52long sys32_sigreturn(void);
53long sys32_rt_sigreturn(void);
 
54
55#endif /* _ENTRY_H */