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60 lines
1.9 KiB
60 lines
1.9 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* OpenRISC asm-offsets.c |
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* |
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* Linux architectural port borrowing liberally from similar works of |
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* others. All original copyrights apply as per the original source |
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* declaration. |
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* |
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* Modifications for the OpenRISC architecture: |
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* Copyright (C) 2003 Matjaz Breskvar <[email protected]> |
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* Copyright (C) 2010-2011 Jonas Bonn <[email protected]> |
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* |
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* This program is used to generate definitions needed by |
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* assembly language modules. |
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* |
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* We use the technique used in the OSF Mach kernel code: |
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* generate asm statements containing #defines, |
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* compile this file to assembler, and then extract the |
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* #defines from the assembly-language output. |
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*/ |
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#include <linux/signal.h> |
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#include <linux/sched.h> |
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#include <linux/kernel.h> |
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#include <linux/errno.h> |
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#include <linux/string.h> |
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#include <linux/types.h> |
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#include <linux/ptrace.h> |
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#include <linux/mman.h> |
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#include <linux/mm.h> |
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#include <linux/io.h> |
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#include <linux/thread_info.h> |
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#include <linux/kbuild.h> |
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#include <asm/page.h> |
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#include <asm/processor.h> |
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int main(void) |
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{ |
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/* offsets into the task_struct */ |
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DEFINE(TASK_FLAGS, offsetof(struct task_struct, flags)); |
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DEFINE(TASK_PTRACE, offsetof(struct task_struct, ptrace)); |
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DEFINE(TASK_THREAD, offsetof(struct task_struct, thread)); |
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DEFINE(TASK_MM, offsetof(struct task_struct, mm)); |
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DEFINE(TASK_ACTIVE_MM, offsetof(struct task_struct, active_mm)); |
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/* offsets into thread_info */ |
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DEFINE(TI_TASK, offsetof(struct thread_info, task)); |
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DEFINE(TI_FLAGS, offsetof(struct thread_info, flags)); |
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DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count)); |
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DEFINE(TI_KSP, offsetof(struct thread_info, ksp)); |
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DEFINE(PT_SIZE, sizeof(struct pt_regs)); |
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/* Interrupt register frame */ |
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DEFINE(STACK_FRAME_OVERHEAD, STACK_FRAME_OVERHEAD); |
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DEFINE(INT_FRAME_SIZE, STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)); |
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DEFINE(NUM_USER_SEGMENTS, TASK_SIZE >> 28); |
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return 0; |
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}
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