arch/hexagon/kernel/asm-offsets.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 1996 David S. Miller
   4  * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Ralf Baechle
   5  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
   6  * Kevin Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
   7  * Copyright (C) 2000 MIPS Technologies, Inc.
   8  *
   9  * Copyright (c) 2010-2012, The Linux Foundation. All rights reserved.
  10  */
  11
  12 #include <linux/compat.h>
  13 #include <linux/types.h>
  14 #include <linux/sched.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/kbuild.h>
  17 #include <asm/ptrace.h>
  18 #include <asm/processor.h>
  19
  20 /*  This file is used to produce asm/linkerscript constants from header
  21     files typically used in c.  Specifically, it generates asm-offsets.h  */
  22
  23 int main(void)
  24 {
  25         COMMENT("This is a comment.");
  26         /*  might get these from somewhere else.  */
  27         DEFINE(_PAGE_SIZE, PAGE_SIZE);
  28         DEFINE(_PAGE_SHIFT, PAGE_SHIFT);
  29         BLANK();
  30
  31         COMMENT("Hexagon pt_regs definitions");
  32         OFFSET(_PT_SYSCALL_NR, pt_regs, syscall_nr);
  33         OFFSET(_PT_GPUGP, pt_regs, gpugp);
  34         OFFSET(_PT_CS1CS0, pt_regs, cs1cs0);
  35         OFFSET(_PT_R3130, pt_regs, r3130);
  36         OFFSET(_PT_R2928, pt_regs, r2928);
  37         OFFSET(_PT_R2726, pt_regs, r2726);
  38         OFFSET(_PT_R2524, pt_regs, r2524);
  39         OFFSET(_PT_R2322, pt_regs, r2322);
  40         OFFSET(_PT_R2120, pt_regs, r2120);
  41         OFFSET(_PT_R1918, pt_regs, r1918);
  42         OFFSET(_PT_R1716, pt_regs, r1716);
  43         OFFSET(_PT_R1514, pt_regs, r1514);
  44         OFFSET(_PT_R1312, pt_regs, r1312);
  45         OFFSET(_PT_R1110, pt_regs, r1110);
  46         OFFSET(_PT_R0908, pt_regs, r0908);
  47         OFFSET(_PT_R0706, pt_regs, r0706);
  48         OFFSET(_PT_R0504, pt_regs, r0504);
  49         OFFSET(_PT_R0302, pt_regs, r0302);
  50         OFFSET(_PT_R0100, pt_regs, r0100);
  51         OFFSET(_PT_LC0SA0, pt_regs, lc0sa0);
  52         OFFSET(_PT_LC1SA1, pt_regs, lc1sa1);
  53         OFFSET(_PT_M1M0, pt_regs, m1m0);
  54         OFFSET(_PT_PREDSUSR, pt_regs, predsusr);
  55         OFFSET(_PT_EVREC, pt_regs, hvmer);
  56         OFFSET(_PT_ER_VMEL, pt_regs, hvmer.vmel);
  57         OFFSET(_PT_ER_VMEST, pt_regs, hvmer.vmest);
  58         OFFSET(_PT_ER_VMPSP, pt_regs, hvmer.vmpsp);
  59         OFFSET(_PT_ER_VMBADVA, pt_regs, hvmer.vmbadva);
  60         DEFINE(_PT_REGS_SIZE, sizeof(struct pt_regs));
  61         BLANK();
  62
  63         COMMENT("Hexagon thread_info definitions");
  64         OFFSET(_THREAD_INFO_FLAGS, thread_info, flags);
  65         OFFSET(_THREAD_INFO_PT_REGS, thread_info, regs);
  66         OFFSET(_THREAD_INFO_SP, thread_info, sp);
  67         DEFINE(_THREAD_SIZE, THREAD_SIZE);
  68         BLANK();
  69
  70         COMMENT("Hexagon hexagon_switch_stack definitions");
  71         OFFSET(_SWITCH_R1716, hexagon_switch_stack, r1716);
  72         OFFSET(_SWITCH_R1918, hexagon_switch_stack, r1918);
  73         OFFSET(_SWITCH_R2120, hexagon_switch_stack, r2120);
  74         OFFSET(_SWITCH_R2322, hexagon_switch_stack, r2322);
  75
  76         OFFSET(_SWITCH_R2524, hexagon_switch_stack, r2524);
  77         OFFSET(_SWITCH_R2726, hexagon_switch_stack, r2726);
  78         OFFSET(_SWITCH_FP, hexagon_switch_stack, fp);
  79         OFFSET(_SWITCH_LR, hexagon_switch_stack, lr);
  80         DEFINE(_SWITCH_STACK_SIZE, sizeof(struct hexagon_switch_stack));
  81         BLANK();
  82
  83         COMMENT("Hexagon task_struct definitions");
  84         OFFSET(_TASK_THREAD_INFO, task_struct, stack);
  85         OFFSET(_TASK_STRUCT_THREAD, task_struct, thread);
  86
  87         COMMENT("Hexagon thread_struct definitions");
  88         OFFSET(_THREAD_STRUCT_SWITCH_SP, thread_struct, switch_sp);
  89
  90         return 0;
  91 }