arch/alpha/include/asm/bug.h

Source file repositories/reference/linux-study-clean/arch/alpha/include/asm/bug.h

File Facts

System
Linux kernel
Corpus path
arch/alpha/include/asm/bug.h
Extension
.h
Size
571 bytes
Lines
26
Domain
Architecture Layer
Bucket
arch/alpha
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _ALPHA_BUG_H
#define _ALPHA_BUG_H

#include <linux/linkage.h>

#ifdef CONFIG_BUG
#include <asm/pal.h>

/* ??? Would be nice to use .gprel32 here, but we can't be sure that the
   function loaded the GP, so this could fail in modules.  */
#define BUG()	do {							\
	__asm__ __volatile__(						\
		"call_pal %0  # bugchk\n\t"				\
		".long %1\n\t.8byte %2"					\
		: : "i"(PAL_bugchk), "i"(__LINE__), "i"(__FILE__));	\
	unreachable();							\
  } while (0)

#define HAVE_ARCH_BUG
#endif

#include <asm-generic/bug.h>

#endif

Annotation

Implementation Notes