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 }
92