1 // SPDX-License-Identifier: GPL-2.0-or-later <<
2 /* 1 /*
3 * OpenRISC asm-offsets.c !! 2 * Generate definitions needed by assembly language modules.
4 * !! 3 * This code generates raw asm output which is post-processed
5 * Linux architectural port borrowing liberall !! 4 * to extract and format the required data.
6 * others. All original copyrights apply as p <<
7 * declaration. <<
8 * <<
9 * Modifications for the OpenRISC architecture <<
10 * Copyright (C) 2003 Matjaz Breskvar <phoenix <<
11 * Copyright (C) 2010-2011 Jonas Bonn <jonas@s <<
12 * <<
13 * This program is used to generate definition <<
14 * assembly language modules. <<
15 * <<
16 * We use the technique used in the OSF Mach k <<
17 * generate asm statements containing #defines <<
18 * compile this file to assembler, and then ex <<
19 * #defines from the assembly-language output. <<
20 */ 5 */
21 6
22 #include <linux/signal.h> 7 #include <linux/signal.h>
23 #include <linux/sched.h> !! 8 #include <asm/ucontext.h>
24 #include <linux/kernel.h> !! 9 #include "sigframe.h"
25 #include <linux/errno.h> <<
26 #include <linux/string.h> <<
27 #include <linux/types.h> <<
28 #include <linux/ptrace.h> <<
29 #include <linux/mman.h> <<
30 #include <linux/mm.h> <<
31 #include <linux/io.h> <<
32 #include <linux/thread_info.h> <<
33 #include <linux/kbuild.h> <<
34 #include <asm/page.h> <<
35 #include <asm/processor.h> <<
36 10
37 int main(void) !! 11 #define DEFINE(sym, val) \
38 { !! 12 asm volatile("\n->" #sym " %0 " #val : : "i" (val))
39 /* offsets into the task_struct */ <<
40 DEFINE(TASK_FLAGS, offsetof(struct tas <<
41 DEFINE(TASK_PTRACE, offsetof(struct ta <<
42 DEFINE(TASK_THREAD, offsetof(struct ta <<
43 DEFINE(TASK_MM, offsetof(struct task_s <<
44 DEFINE(TASK_ACTIVE_MM, offsetof(struct <<
45 <<
46 /* offsets into thread_info */ <<
47 DEFINE(TI_TASK, offsetof(struct thread <<
48 DEFINE(TI_FLAGS, offsetof(struct threa <<
49 DEFINE(TI_PREEMPT, offsetof(struct thr <<
50 DEFINE(TI_KSP, offsetof(struct thread_ <<
51 13
52 DEFINE(PT_SIZE, sizeof(struct pt_regs) !! 14 #define BLANK() asm volatile("\n->" : : )
53 15
54 /* Interrupt register frame */ !! 16 void foo(void)
55 DEFINE(STACK_FRAME_OVERHEAD, STACK_FRA !! 17 {
56 DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVE !! 18 DEFINE(SIGCONTEXT_eax, offsetof (struct sigcontext, eax));
>> 19 DEFINE(SIGCONTEXT_ebx, offsetof (struct sigcontext, ebx));
>> 20 DEFINE(SIGCONTEXT_ecx, offsetof (struct sigcontext, ecx));
>> 21 DEFINE(SIGCONTEXT_edx, offsetof (struct sigcontext, edx));
>> 22 DEFINE(SIGCONTEXT_esi, offsetof (struct sigcontext, esi));
>> 23 DEFINE(SIGCONTEXT_edi, offsetof (struct sigcontext, edi));
>> 24 DEFINE(SIGCONTEXT_ebp, offsetof (struct sigcontext, ebp));
>> 25 DEFINE(SIGCONTEXT_esp, offsetof (struct sigcontext, esp));
>> 26 DEFINE(SIGCONTEXT_eip, offsetof (struct sigcontext, eip));
>> 27 BLANK();
57 28
58 DEFINE(NUM_USER_SEGMENTS, TASK_SIZE >> !! 29 DEFINE(RT_SIGFRAME_sigcontext,
59 return 0; !! 30 offsetof (struct rt_sigframe, uc.uc_mcontext));
60 } 31 }
61 32
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