arch/hexagon/kernel/asm-offsets.c

   1 /*
   2  * Copyright (C) 1996 David S. Miller
   3  * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Ralf Baechle
   4  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
   5  * Kevin Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
   6  * Copyright (C) 2000 MIPS Technologies, Inc.
   7  *
   8  * Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 and
  12  * only version 2 as published by the Free Software Foundation.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  22  * 02110-1301, USA.
  23  */
  24
  25 #include <linux/compat.h>
  26 #include <linux/types.h>
  27 #include <linux/sched.h>
  28 #include <linux/interrupt.h>
  29 #include <linux/kbuild.h>
  30 #include <asm/ptrace.h>
  31 #include <asm/processor.h>
  32
  33 /*  This file is used to produce asm/linkerscript constants from header
  34     files typically used in c.  Specifically, it generates asm-offsets.h  */
  35
  36 int main(void)
  37 {
  38         COMMENT("This is a comment.");
  39         /*  might get these from somewhere else.  */
  40         DEFINE(_PAGE_SIZE, PAGE_SIZE);
  41         DEFINE(_PAGE_SHIFT, PAGE_SHIFT);
  42         BLANK();
  43
  44         COMMENT("Hexagon pt_regs definitions");
  45         OFFSET(_PT_SYSCALL_NR, pt_regs, syscall_nr);
  46         OFFSET(_PT_GPUGP, pt_regs, gpugp);
  47         OFFSET(_PT_CS1CS0, pt_regs, cs1cs0);
  48         OFFSET(_PT_R3130, pt_regs, r3130);
  49         OFFSET(_PT_R2928, pt_regs, r2928);
  50         OFFSET(_PT_R2726, pt_regs, r2726);
  51         OFFSET(_PT_R2524, pt_regs, r2524);
  52         OFFSET(_PT_R2322, pt_regs, r2322);
  53         OFFSET(_PT_R2120, pt_regs, r2120);
  54         OFFSET(_PT_R1918, pt_regs, r1918);
  55         OFFSET(_PT_R1716, pt_regs, r1716);
  56         OFFSET(_PT_R1514, pt_regs, r1514);
  57         OFFSET(_PT_R1312, pt_regs, r1312);
  58         OFFSET(_PT_R1110, pt_regs, r1110);
  59         OFFSET(_PT_R0908, pt_regs, r0908);
  60         OFFSET(_PT_R0706, pt_regs, r0706);
  61         OFFSET(_PT_R0504, pt_regs, r0504);
  62         OFFSET(_PT_R0302, pt_regs, r0302);
  63         OFFSET(_PT_R0100, pt_regs, r0100);
  64         OFFSET(_PT_LC0SA0, pt_regs, lc0sa0);
  65         OFFSET(_PT_LC1SA1, pt_regs, lc1sa1);
  66         OFFSET(_PT_M1M0, pt_regs, m1m0);
  67         OFFSET(_PT_PREDSUSR, pt_regs, predsusr);
  68         OFFSET(_PT_EVREC, pt_regs, hvmer);
  69         OFFSET(_PT_ER_VMEL, pt_regs, hvmer.vmel);
  70         OFFSET(_PT_ER_VMEST, pt_regs, hvmer.vmest);
  71         OFFSET(_PT_ER_VMPSP, pt_regs, hvmer.vmpsp);
  72         OFFSET(_PT_ER_VMBADVA, pt_regs, hvmer.vmbadva);
  73         DEFINE(_PT_REGS_SIZE, sizeof(struct pt_regs));
  74         BLANK();
  75
  76         COMMENT("Hexagon thread_info definitions");
  77         OFFSET(_THREAD_INFO_FLAGS, thread_info, flags);
  78         OFFSET(_THREAD_INFO_PT_REGS, thread_info, regs);
  79         OFFSET(_THREAD_INFO_SP, thread_info, sp);
  80         DEFINE(_THREAD_SIZE, THREAD_SIZE);
  81         BLANK();
  82
  83         COMMENT("Hexagon hexagon_switch_stack definitions");
  84         OFFSET(_SWITCH_R1716, hexagon_switch_stack, r1716);
  85         OFFSET(_SWITCH_R1918, hexagon_switch_stack, r1918);
  86         OFFSET(_SWITCH_R2120, hexagon_switch_stack, r2120);
  87         OFFSET(_SWITCH_R2322, hexagon_switch_stack, r2322);
  88
  89         OFFSET(_SWITCH_R2524, hexagon_switch_stack, r2524);
  90         OFFSET(_SWITCH_R2726, hexagon_switch_stack, r2726);
  91         OFFSET(_SWITCH_FP, hexagon_switch_stack, fp);
  92         OFFSET(_SWITCH_LR, hexagon_switch_stack, lr);
  93         DEFINE(_SWITCH_STACK_SIZE, sizeof(struct hexagon_switch_stack));
  94         BLANK();
  95
  96         COMMENT("Hexagon task_struct definitions");
  97         OFFSET(_TASK_THREAD_INFO, task_struct, stack);
  98         OFFSET(_TASK_STRUCT_THREAD, task_struct, thread);
  99
 100         COMMENT("Hexagon thread_struct definitions");
 101         OFFSET(_THREAD_STRUCT_SWITCH_SP, thread_struct, switch_sp);
 102
 103         return 0;
 104 }