 634bd40a89
			
		
	
	
	634bd40a89
	
	
	
		
			
			This is modelled on commits such as the one below:
Commit fc1c3a003e ("sh: use kbuild.h
instead of defining macros in asm-offsets.c") introduced in v2.6.26.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Jonas Bonn <jonas@southpole.se>
		
	
			
		
			
				
	
	
		
			66 lines
		
	
	
	
		
			2.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
	
		
			2.2 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * OpenRISC asm-offsets.c
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|  *
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|  * Linux architectural port borrowing liberally from similar works of
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|  * others.  All original copyrights apply as per the original source
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|  * declaration.
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|  *
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|  * Modifications for the OpenRISC architecture:
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|  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
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|  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
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|  *
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|  *      This program is free software; you can redistribute it and/or
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|  *      modify it under the terms of the GNU General Public License
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|  *      as published by the Free Software Foundation; either version
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|  *      2 of the License, or (at your option) any later version.
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|  *
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|  * This program is used to generate definitions needed by
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|  * assembly language modules.
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|  *
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|  * We use the technique used in the OSF Mach kernel code:
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|  * generate asm statements containing #defines,
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|  * compile this file to assembler, and then extract the
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|  * #defines from the assembly-language output.
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|  */
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| 
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| #include <linux/signal.h>
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| #include <linux/sched.h>
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| #include <linux/kernel.h>
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| #include <linux/errno.h>
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| #include <linux/string.h>
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| #include <linux/types.h>
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| #include <linux/ptrace.h>
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| #include <linux/mman.h>
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| #include <linux/mm.h>
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| #include <linux/io.h>
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| #include <linux/thread_info.h>
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| #include <linux/kbuild.h>
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| #include <asm/page.h>
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| #include <asm/pgtable.h>
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| #include <asm/processor.h>
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| 
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| int main(void)
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| {
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| 	/* offsets into the task_struct */
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| 	DEFINE(TASK_STATE, offsetof(struct task_struct, state));
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| 	DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags));
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| 	DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace));
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| 	DEFINE(TASK_THREAD, offsetof(struct task_struct, thread));
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| 	DEFINE(TASK_MM, offsetof(struct task_struct, mm));
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| 	DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm));
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| 
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| 	/* offsets into thread_info */
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| 	DEFINE(TI_TASK, offsetof(struct thread_info, task));
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| 	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
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| 	DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
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| 	DEFINE(TI_KSP, offsetof(struct thread_info, ksp));
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| 
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| 	DEFINE(PT_SIZE, sizeof(struct pt_regs));
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| 
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| 	/* Interrupt register frame */
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| 	DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD);
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| 	DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs));
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| 
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| 	DEFINE(NUM_USER_SEGMENTS, TASK_SIZE >> 28);
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| 	return 0;
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| }
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