include/linux/linkage.h
author Florian Westphal <fw@strlen.de>
Thu, 09 Apr 2009 12:07:21 +0200
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Linux 2.6.29 for NSC 0.5.0.
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#ifndef _LINUX_LINKAGE_H
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#define _LINUX_LINKAGE_H
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#include <linux/compiler.h>
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#include <asm/linkage.h>
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#ifdef __cplusplus
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#define CPP_ASMLINKAGE extern "C"
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#else
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#define CPP_ASMLINKAGE
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#endif
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#ifndef asmlinkage
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#define asmlinkage CPP_ASMLINKAGE
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#endif
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#ifndef asmregparm
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# define asmregparm
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#endif
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#define __page_aligned_data	__section(.data.page_aligned) __aligned(PAGE_SIZE)
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#define __page_aligned_bss	__section(.bss.page_aligned) __aligned(PAGE_SIZE)
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/*
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 * This is used by architectures to keep arguments on the stack
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 * untouched by the compiler by keeping them live until the end.
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 * The argument stack may be owned by the assembly-language
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 * caller, not the callee, and gcc doesn't always understand
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 * that.
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 *
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 * We have the return value, and a maximum of six arguments.
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 *
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 * This should always be followed by a "return ret" for the
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 * protection to work (ie no more work that the compiler might
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 * end up needing stack temporaries for).
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 */
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/* Assembly files may be compiled with -traditional .. */
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#ifndef __ASSEMBLY__
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#ifndef asmlinkage_protect
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# define asmlinkage_protect(n, ret, args...)	do { } while (0)
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#endif
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#endif
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#ifndef __ALIGN
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#define __ALIGN		.align 4,0x90
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#define __ALIGN_STR	".align 4,0x90"
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#endif
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#ifdef __ASSEMBLY__
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#define ALIGN __ALIGN
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#define ALIGN_STR __ALIGN_STR
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#ifndef ENTRY
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#define ENTRY(name) \
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  .globl name; \
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  ALIGN; \
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  name:
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#endif
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#ifndef WEAK
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#define WEAK(name)	   \
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	.weak name;	   \
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	name:
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#endif
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#ifndef END
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#define END(name) \
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  .size name, .-name
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#endif
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/* If symbol 'name' is treated as a subroutine (gets called, and returns)
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 * then please use ENDPROC to mark 'name' as STT_FUNC for the benefit of
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 * static analysis tools such as stack depth analyzer.
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 */
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#ifndef ENDPROC
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#define ENDPROC(name) \
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  .type name, @function; \
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  END(name)
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#endif
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#endif
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#define NORET_TYPE    /**/
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#define ATTRIB_NORET  __attribute__((noreturn))
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#define NORET_AND     noreturn,
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#endif