47 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| /*
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|  * System call table for UML/i386, copied from arch/x86/kernel/syscall_*.c
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|  * with some changes for UML.
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|  */
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| 
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| #include <linux/linkage.h>
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| #include <linux/sys.h>
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| #include <linux/cache.h>
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| #include <generated/user_constants.h>
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| #include <asm/syscall.h>
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| 
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| #define __NO_STUBS
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| 
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| /*
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|  * Below you can see, in terms of #define's, the differences between the x86-64
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|  * and the UML syscall table.
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|  */
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| 
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| /* Not going to be implemented by UML, since we have no hardware. */
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| #define sys_iopl sys_ni_syscall
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| #define sys_ioperm sys_ni_syscall
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| 
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| #define sys_vm86old sys_ni_syscall
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| #define sys_vm86 sys_ni_syscall
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| 
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| #define old_mmap sys_old_mmap
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| 
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| #define __SYSCALL_I386(nr, sym, qual) extern asmlinkage long sym(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long) ;
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| #include <asm/syscalls_32.h>
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| 
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| #undef __SYSCALL_I386
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| #define __SYSCALL_I386(nr, sym, qual) [ nr ] = sym,
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| 
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| extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
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| 
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| const sys_call_ptr_t sys_call_table[] ____cacheline_aligned = {
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| 	/*
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| 	 * Smells like a compiler bug -- it doesn't work
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| 	 * when the & below is removed.
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| 	 */
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| 	[0 ... __NR_syscall_max] = &sys_ni_syscall,
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| #include <asm/syscalls_32.h>
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| };
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| 
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| int syscall_table_size = sizeof(sys_call_table);
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