50 lines
2.0 KiB
C
50 lines
2.0 KiB
C
/*
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* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
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* Licensed under the GPL
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*/
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#ifndef __SKAS_H
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#define __SKAS_H
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#include "mm_id.h"
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#include "sysdep/ptrace.h"
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extern int userspace_pid[];
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extern int proc_mm, ptrace_faultinfo, ptrace_ldt;
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extern int skas_needs_stub;
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extern void switch_threads(void *me, void *next);
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extern void thread_wait(void *sw, void *fb);
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extern void new_thread(void *stack, void **switch_buf_ptr, void **fork_buf_ptr,
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void (*handler)(int));
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extern int start_idle_thread(void *stack, void *switch_buf_ptr,
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void **fork_buf_ptr);
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extern int user_thread(unsigned long stack, int flags);
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extern void userspace(union uml_pt_regs *regs);
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extern void new_thread_proc(void *stack, void (*handler)(int sig));
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extern void new_thread_handler(int sig);
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extern void handle_syscall(union uml_pt_regs *regs);
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extern int map(struct mm_id * mm_idp, unsigned long virt,
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unsigned long len, int r, int w, int x, int phys_fd,
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unsigned long long offset, int done, void **data);
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extern int unmap(struct mm_id * mm_idp, void *addr, unsigned long len,
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int done, void **data);
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extern int protect(struct mm_id * mm_idp, unsigned long addr,
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unsigned long len, int r, int w, int x, int done,
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void **data);
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extern void user_signal(int sig, union uml_pt_regs *regs, int pid);
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extern int new_mm(int from, unsigned long stack);
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extern int start_userspace(unsigned long stub_stack);
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extern int copy_context_skas0(unsigned long stack, int pid);
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extern void get_skas_faultinfo(int pid, struct faultinfo * fi);
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extern long execute_syscall_skas(void *r);
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extern unsigned long current_stub_stack(void);
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extern long run_syscall_stub(struct mm_id * mm_idp,
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int syscall, unsigned long *args, long expected,
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void **addr, int done);
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extern long syscall_stub_data(struct mm_id * mm_idp,
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unsigned long *data, int data_count,
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void **addr, void **stub_addr);
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#endif
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