asm-offsets.c

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/*
 * Copyright (C) 1996 David S. Miller
 * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Ralf Baechle
 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
 * Kevin Kissell, [email protected] and Carsten Langgaard, [email protected]
 * Copyright (C) 2000 MIPS Technologies, Inc.
 *
 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 and
 * only version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#include <linux/compat.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/kbuild.h>
#include <asm/ptrace.h>
#include <asm/processor.h>

/*  This file is used to produce asm/linkerscript constants from header
    files typically used in c.  Specifically, it generates asm-offsets.h  */

int main(void)
{
    COMMENT("This is a comment.");
    /*  might get these from somewhere else.  */
    DEFINE(_PAGE_SIZE, PAGE_SIZE);
    DEFINE(_PAGE_SHIFT, PAGE_SHIFT);
    BLANK();

    COMMENT("Hexagon pt_regs definitions");
    OFFSET(_PT_SYSCALL_NR, pt_regs, syscall_nr);
    OFFSET(_PT_UGPGP, pt_regs, ugpgp);
    OFFSET(_PT_R3130, pt_regs, r3130);
    OFFSET(_PT_R2928, pt_regs, r2928);
    OFFSET(_PT_R2726, pt_regs, r2726);
    OFFSET(_PT_R2524, pt_regs, r2524);
    OFFSET(_PT_R2322, pt_regs, r2322);
    OFFSET(_PT_R2120, pt_regs, r2120);
    OFFSET(_PT_R1918, pt_regs, r1918);
    OFFSET(_PT_R1716, pt_regs, r1716);
    OFFSET(_PT_R1514, pt_regs, r1514);
    OFFSET(_PT_R1312, pt_regs, r1312);
    OFFSET(_PT_R1110, pt_regs, r1110);
    OFFSET(_PT_R0908, pt_regs, r0908);
    OFFSET(_PT_R0706, pt_regs, r0706);
    OFFSET(_PT_R0504, pt_regs, r0504);
    OFFSET(_PT_R0302, pt_regs, r0302);
    OFFSET(_PT_R0100, pt_regs, r0100);
    OFFSET(_PT_LC0SA0, pt_regs, lc0sa0);
    OFFSET(_PT_LC1SA1, pt_regs, lc1sa1);
    OFFSET(_PT_M1M0, pt_regs, m1m0);
    OFFSET(_PT_PREDSUSR, pt_regs, predsusr);
    OFFSET(_PT_EVREC, pt_regs, hvmer);
    OFFSET(_PT_ER_VMEL, pt_regs, hvmer.vmel);
    OFFSET(_PT_ER_VMEST, pt_regs, hvmer.vmest);
    OFFSET(_PT_ER_VMPSP, pt_regs, hvmer.vmpsp);
    OFFSET(_PT_ER_VMBADVA, pt_regs, hvmer.vmbadva);
    DEFINE(_PT_REGS_SIZE, sizeof(struct pt_regs));
    BLANK();

    COMMENT("Hexagon thread_info definitions");
    OFFSET(_THREAD_INFO_FLAGS, thread_info, flags);
    OFFSET(_THREAD_INFO_PT_REGS, thread_info, regs);
    OFFSET(_THREAD_INFO_SP, thread_info, sp);
    DEFINE(_THREAD_SIZE, THREAD_SIZE);
    BLANK();

    COMMENT("Hexagon hexagon_switch_stack definitions");
    OFFSET(_SWITCH_R1716, hexagon_switch_stack, r1716);
    OFFSET(_SWITCH_R1918, hexagon_switch_stack, r1918);
    OFFSET(_SWITCH_R2120, hexagon_switch_stack, r2120);
    OFFSET(_SWITCH_R2322, hexagon_switch_stack, r2322);

    OFFSET(_SWITCH_R2524, hexagon_switch_stack, r2524);
    OFFSET(_SWITCH_R2726, hexagon_switch_stack, r2726);
    OFFSET(_SWITCH_FP, hexagon_switch_stack, fp);
    OFFSET(_SWITCH_LR, hexagon_switch_stack, lr);
    DEFINE(_SWITCH_STACK_SIZE, sizeof(struct hexagon_switch_stack));
    BLANK();

    COMMENT("Hexagon task_struct definitions");
    OFFSET(_TASK_THREAD_INFO, task_struct, stack);
    OFFSET(_TASK_STRUCT_THREAD, task_struct, thread);

    COMMENT("Hexagon thread_struct definitions");
    OFFSET(_THREAD_STRUCT_SWITCH_SP, thread_struct, switch_sp);

    return 0;
}