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