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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/xtensa/kernel/asm-offsets.c
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/*

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 * arch/xtensa/kernel/asm-offsets.c

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 *

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 * Generates definitions from c-type structures used by assembly sources.

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 *

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 * This file is subject to the terms and conditions of the GNU General Public

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 * License.  See the file "COPYING" in the main directory of this archive

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 * for more details.

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 *

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 * Copyright (C) 2005 Tensilica Inc.

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 *

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 * Chris Zankel <[email protected]>

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 */

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#include <asm/processor.h>

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#include <asm/coprocessor.h>

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#include <linux/types.h>

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#include <linux/stddef.h>

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#include <linux/thread_info.h>

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#include <linux/ptrace.h>

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#include <linux/mm.h>

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#include <linux/kbuild.h>

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#include <asm/ptrace.h>

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#include <asm/uaccess.h>

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int main(void)

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{

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	/* struct pt_regs */

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	DEFINE(PT_PC, offsetof (struct pt_regs, pc));

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	DEFINE(PT_PS, offsetof (struct pt_regs, ps));

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	DEFINE(PT_DEPC, offsetof (struct pt_regs, depc));

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	DEFINE(PT_EXCCAUSE, offsetof (struct pt_regs, exccause));

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	DEFINE(PT_EXCVADDR, offsetof (struct pt_regs, excvaddr));

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	DEFINE(PT_DEBUGCAUSE, offsetof (struct pt_regs, debugcause));

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	DEFINE(PT_WMASK, offsetof (struct pt_regs, wmask));

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	DEFINE(PT_LBEG, offsetof (struct pt_regs, lbeg));

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	DEFINE(PT_LEND, offsetof (struct pt_regs, lend));

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	DEFINE(PT_LCOUNT, offsetof (struct pt_regs, lcount));

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	DEFINE(PT_SAR, offsetof (struct pt_regs, sar));

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	DEFINE(PT_ICOUNTLEVEL, offsetof (struct pt_regs, icountlevel));

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	DEFINE(PT_SYSCALL, offsetof (struct pt_regs, syscall));

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	DEFINE(PT_AREG, offsetof (struct pt_regs, areg[0]));

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	DEFINE(PT_AREG0, offsetof (struct pt_regs, areg[0]));

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	DEFINE(PT_AREG1, offsetof (struct pt_regs, areg[1]));

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	DEFINE(PT_AREG2, offsetof (struct pt_regs, areg[2]));

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	DEFINE(PT_AREG3, offsetof (struct pt_regs, areg[3]));

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	DEFINE(PT_AREG4, offsetof (struct pt_regs, areg[4]));

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	DEFINE(PT_AREG5, offsetof (struct pt_regs, areg[5]));

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	DEFINE(PT_AREG6, offsetof (struct pt_regs, areg[6]));

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	DEFINE(PT_AREG7, offsetof (struct pt_regs, areg[7]));

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	DEFINE(PT_AREG8, offsetof (struct pt_regs, areg[8]));

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	DEFINE(PT_AREG9, offsetof (struct pt_regs, areg[9]));

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	DEFINE(PT_AREG10, offsetof (struct pt_regs, areg[10]));

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	DEFINE(PT_AREG11, offsetof (struct pt_regs, areg[11]));

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	DEFINE(PT_AREG12, offsetof (struct pt_regs, areg[12]));

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	DEFINE(PT_AREG13, offsetof (struct pt_regs, areg[13]));

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	DEFINE(PT_AREG14, offsetof (struct pt_regs, areg[14]));

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	DEFINE(PT_AREG15, offsetof (struct pt_regs, areg[15]));

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	DEFINE(PT_WINDOWBASE, offsetof (struct pt_regs, windowbase));

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	DEFINE(PT_WINDOWSTART, offsetof(struct pt_regs, windowstart));

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	DEFINE(PT_SIZE, sizeof(struct pt_regs));

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	DEFINE(PT_AREG_END, offsetof (struct pt_regs, areg[XCHAL_NUM_AREGS]));

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	DEFINE(PT_USER_SIZE, offsetof(struct pt_regs, areg[XCHAL_NUM_AREGS]));

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	DEFINE(PT_XTREGS_OPT, offsetof(struct pt_regs, xtregs_opt));

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	DEFINE(XTREGS_OPT_SIZE, sizeof(xtregs_opt_t));

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	/* struct task_struct */

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	DEFINE(TASK_PTRACE, offsetof (struct task_struct, ptrace));

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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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	DEFINE(TASK_PID, offsetof (struct task_struct, pid));

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	DEFINE(TASK_THREAD, offsetof (struct task_struct, thread));

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	DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, stack));

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	DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct));

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	/* struct thread_info (offset from start_struct) */

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	DEFINE(THREAD_RA, offsetof (struct task_struct, thread.ra));

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	DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp));

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	DEFINE(THREAD_CPENABLE, offsetof (struct thread_info, cpenable));

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#if XTENSA_HAVE_COPROCESSORS

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	DEFINE(THREAD_XTREGS_CP0, offsetof (struct thread_info, xtregs_cp));

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	DEFINE(THREAD_XTREGS_CP1, offsetof (struct thread_info, xtregs_cp));

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	DEFINE(THREAD_XTREGS_CP2, offsetof (struct thread_info, xtregs_cp));

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	DEFINE(THREAD_XTREGS_CP3, offsetof (struct thread_info, xtregs_cp));

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	DEFINE(THREAD_XTREGS_CP4, offsetof (struct thread_info, xtregs_cp));

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	DEFINE(THREAD_XTREGS_CP5, offsetof (struct thread_info, xtregs_cp));

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	DEFINE(THREAD_XTREGS_CP6, offsetof (struct thread_info, xtregs_cp));

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	DEFINE(THREAD_XTREGS_CP7, offsetof (struct thread_info, xtregs_cp));

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#endif

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	DEFINE(THREAD_XTREGS_USER, offsetof (struct thread_info, xtregs_user));

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	DEFINE(XTREGS_USER_SIZE, sizeof(xtregs_user_t));

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	DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, thread.current_ds));

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	/* struct mm_struct */

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	DEFINE(MM_USERS, offsetof(struct mm_struct, mm_users));

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	DEFINE(MM_PGD, offsetof (struct mm_struct, pgd));

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	DEFINE(MM_CONTEXT, offsetof (struct mm_struct, context));

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	/* struct page */

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	DEFINE(PAGE_FLAGS, offsetof(struct page, flags));

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	/* constants */

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	DEFINE(_CLONE_VM, CLONE_VM);

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	DEFINE(_CLONE_UNTRACED, CLONE_UNTRACED);

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	DEFINE(PG_ARCH_1, PG_arch_1);

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	return 0;

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}

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