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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/cris/kernel/asm-offsets.c
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#include <linux/sched.h>

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#include <asm/thread_info.h>

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/*

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 * Generate definitions needed by assembly language modules.

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 * This code generates raw asm output which is post-processed to extract

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 * and format the required data.

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 */

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#define DEFINE(sym, val) \

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	asm volatile("\n->" #sym " %0 " #val : : "i" (val))

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#define BLANK() asm volatile("\n->" : : )

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#if !defined(CONFIG_ETRAX_ARCH_V10) && !defined(CONFIG_ETRAX_ARCH_V32)

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#error One of ARCH v10 and ARCH v32 must be true!

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#endif

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int main(void)

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{

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#define ENTRY(entry) DEFINE(PT_ ## entry, offsetof(struct pt_regs, entry))

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	ENTRY(orig_r10);

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	ENTRY(r13);

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	ENTRY(r12);

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	ENTRY(r11);

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	ENTRY(r10);

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	ENTRY(r9);

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#ifdef CONFIG_ETRAX_ARCH_V32

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	ENTRY(acr);

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	ENTRY(srs);

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#endif

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	ENTRY(mof);

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#ifdef CONFIG_ETRAX_ARCH_V10

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	ENTRY(dccr);

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#else

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	ENTRY(ccs);

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#endif

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	ENTRY(srp);

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	BLANK();

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#undef ENTRY

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#define ENTRY(entry) DEFINE(TI_ ## entry, offsetof(struct thread_info, entry))

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	ENTRY(task);

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	ENTRY(flags);

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	ENTRY(preempt_count);

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	BLANK();

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#undef ENTRY

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#define ENTRY(entry) DEFINE(THREAD_ ## entry, offsetof(struct thread_struct, entry))

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	ENTRY(ksp);

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	ENTRY(usp);

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#ifdef CONFIG_ETRAX_ARCH_V10

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	ENTRY(dccr);

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#else

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	ENTRY(ccs);

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#endif

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	BLANK();

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#undef ENTRY

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#define ENTRY(entry) DEFINE(TASK_ ## entry, offsetof(struct task_struct, entry))

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	ENTRY(pid);

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	BLANK();

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	DEFINE(LCLONE_VM, CLONE_VM);

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	DEFINE(LCLONE_UNTRACED, CLONE_UNTRACED);

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	return 0;

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}

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