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File: [cvs.NetBSD.org] / src / sys / sys / cdefs_aout.h (download)

Revision 1.20, Thu May 18 17:55:38 2006 UTC (17 years, 10 months ago) by christos
Branch: MAIN
CVS Tags: yamt-x86pmap-base4, yamt-x86pmap-base3, yamt-x86pmap-base2, yamt-x86pmap-base, yamt-x86pmap, yamt-splraiseipl-base5, yamt-splraiseipl-base4, yamt-splraiseipl-base3, yamt-splraiseipl-base2, yamt-splraiseipl-base, yamt-splraiseipl, yamt-pf42-baseX, yamt-pf42-base4, yamt-pf42-base3, yamt-pf42-base2, yamt-pf42-base, yamt-pf42, yamt-pdpolicy-base9, yamt-pdpolicy-base8, yamt-pdpolicy-base7, yamt-pdpolicy-base6, yamt-pdpolicy-base5, yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, yamt-nfs-mp-base9, yamt-nfs-mp-base8, yamt-nfs-mp-base7, yamt-nfs-mp-base6, yamt-nfs-mp-base5, yamt-nfs-mp-base4, yamt-nfs-mp-base3, yamt-nfs-mp-base2, yamt-nfs-mp-base11, yamt-nfs-mp-base10, yamt-nfs-mp-base, yamt-nfs-mp, yamt-lazymbuf-base15, yamt-lazymbuf-base14, yamt-kmem-base3, yamt-kmem-base2, yamt-kmem-base, yamt-kmem, yamt-idlelwp-base8, yamt-idlelwp, wrstuden-revivesa-base-4, wrstuden-revivesa-base-3, wrstuden-revivesa-base-2, wrstuden-revivesa-base-1, wrstuden-revivesa-base, wrstuden-revivesa, wrstuden-fixsa-newbase, wrstuden-fixsa-base-1, wrstuden-fixsa-base, wrstuden-fixsa, vmlocking2-base3, vmlocking2-base2, vmlocking2-base1, vmlocking2, vmlocking-nbase, vmlocking-base, vmlocking, uebayasi-xip-base7, uebayasi-xip-base6, uebayasi-xip-base5, uebayasi-xip-base4, uebayasi-xip-base3, uebayasi-xip-base2, uebayasi-xip-base1, uebayasi-xip-base, uebayasi-xip, tls-maxphys-base-20171202, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, thorpej-ifq-base, thorpej-ifq, thorpej-i2c-spi-conf2-base, thorpej-i2c-spi-conf2, thorpej-i2c-spi-conf-base, thorpej-i2c-spi-conf, thorpej-futex2-base, thorpej-futex2, thorpej-futex-base, thorpej-futex, thorpej-cfargs2-base, thorpej-cfargs2, thorpej-cfargs-base, thorpej-cfargs, thorpej-atomic-base, thorpej-atomic, thorpej-altq-separation-base, thorpej-altq-separation, simonb-wapbl-nbase, simonb-wapbl-base, simonb-wapbl, simonb-timecounters-base, rpaulo-netinet-merge-pcb-base, rmind-uvmplock-nbase, rmind-uvmplock-base, rmind-uvmplock, rmind-smpnet-nbase, rmind-smpnet-base, rmind-smpnet, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, reinoud-bufcleanup-nbase, reinoud-bufcleanup-base, reinoud-bufcleanup, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, post-newlock2-merge, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, nick-nhusb-base-20170825, nick-nhusb-base-20170204, nick-nhusb-base-20161204, nick-nhusb-base-20161004, nick-nhusb-base-20160907, nick-nhusb-base-20160529, nick-nhusb-base-20160422, nick-nhusb-base-20160319, nick-nhusb-base-20151226, nick-nhusb-base-20150921, nick-nhusb-base-20150606, nick-nhusb-base-20150406, nick-nhusb-base, nick-nhusb, nick-net80211-sync-base, nick-net80211-sync, nick-hppapmap-base4, nick-hppapmap-base3, nick-hppapmap-base2, nick-hppapmap-base, nick-hppapmap, nick-csl-alignment-base5, nick-csl-alignment-base, nick-csl-alignment, newlock2-nbase, newlock2-base, newlock2, netbsd-9-base, netbsd-9-3-RELEASE, netbsd-9-2-RELEASE, netbsd-9-1-RELEASE, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, netbsd-5-base, netbsd-5-2-RELEASE, netbsd-5-2-RC1, netbsd-5-2-3-RELEASE, netbsd-5-2-2-RELEASE, netbsd-5-2-1-RELEASE, netbsd-5-2, netbsd-5-1-RELEASE, netbsd-5-1-RC4, netbsd-5-1-RC3, netbsd-5-1-RC2, netbsd-5-1-RC1, netbsd-5-1-5-RELEASE, netbsd-5-1-4-RELEASE, netbsd-5-1-3-RELEASE, netbsd-5-1-2-RELEASE, netbsd-5-1-1-RELEASE, netbsd-5-1, netbsd-5-0-RELEASE, netbsd-5-0-RC4, netbsd-5-0-RC3, netbsd-5-0-RC2, netbsd-5-0-RC1, netbsd-5-0-2-RELEASE, netbsd-5-0-1-RELEASE, netbsd-5-0, netbsd-5, netbsd-4-base, netbsd-4-0-RELEASE, netbsd-4-0-RC5, netbsd-4-0-RC4, netbsd-4-0-RC3, netbsd-4-0-RC2, netbsd-4-0-RC1, netbsd-4-0-1-RELEASE, netbsd-4-0, netbsd-4, netbsd-10-base, netbsd-10-0-RC6, netbsd-10-0-RC5, netbsd-10-0-RC4, netbsd-10-0-RC3, netbsd-10-0-RC2, netbsd-10-0-RC1, netbsd-10, mjf-ufs-trans-base, mjf-ufs-trans, mjf-devfs2-base, mjf-devfs2, mjf-devfs-base, mjf-devfs, matt-premerge-20091211, matt-nb8-mediatek-base, matt-nb8-mediatek, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, matt-nb5-pq3-base, matt-nb5-pq3, matt-nb5-mips64-u2-k2-k4-k7-k8-k9, matt-nb5-mips64-u1-k1-k5, matt-nb5-mips64-premerge-20101231, matt-nb5-mips64-premerge-20091211, matt-nb5-mips64-k15, matt-nb5-mips64, matt-nb4-mips64-k7-u2a-k9b, matt-nb4-arm-base, matt-nb4-arm, matt-mips64-premerge-20101231, matt-mips64-base2, matt-mips64-base, matt-mips64, matt-armv6-prevmlocking, matt-armv6-nbase, matt-armv6-base, matt-armv6, localcount-20160914, khorben-n900, keiichi-mipv6-nbase, keiichi-mipv6-base, keiichi-mipv6, jymxensuspend-base, jym-xensuspend-nbase, jym-xensuspend-base, jym-xensuspend, jruoho-x86intr-base, jruoho-x86intr, jmcneill-usbmp-pre-base2, jmcneill-usbmp-base9, jmcneill-usbmp-base8, jmcneill-usbmp-base7, jmcneill-usbmp-base6, jmcneill-usbmp-base5, jmcneill-usbmp-base4, jmcneill-usbmp-base3, jmcneill-usbmp-base2, jmcneill-usbmp-base10, jmcneill-usbmp-base, jmcneill-usbmp, jmcneill-pm-base, jmcneill-pm, jmcneill-base, jmcneill-audiomp3-base, jmcneill-audiomp3, jdolecek-ncq-base, jdolecek-ncq, isaki-audio2-base, isaki-audio2, is-mlppp-base, is-mlppp, hpcarm-cleanup-nbase, hpcarm-cleanup-base, hpcarm-cleanup, haad-nbase2, haad-dm-base2, haad-dm-base1, haad-dm-base, haad-dm, gdamore-uart-base, gdamore-uart, cube-autoconf-base, cube-autoconf, cjep_sun2x-base1, cjep_sun2x-base, cjep_sun2x, cjep_staticlib_x-base1, cjep_staticlib_x-base, cjep_staticlib_x, cherry-xenmp-base, cherry-xenmp, chap-midi-nbase, chap-midi-base, chap-midi, bouyer-xenpvh-base2, bouyer-xenpvh-base1, bouyer-xenpvh-base, bouyer-xenpvh, bouyer-xeni386-nbase, bouyer-xeni386-merge1, bouyer-xeni386-base, bouyer-xeni386, bouyer-xenamd64-base2, bouyer-xenamd64-base, bouyer-xenamd64, bouyer-sunxi-drm-base, bouyer-sunxi-drm, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2, agc-symver-base, agc-symver, ad-socklock-base1, ad-namecache-base3, ad-namecache-base2, ad-namecache-base1, ad-namecache-base, ad-namecache, ad-audiomp2-base, ad-audiomp2, ad-audiomp-base, ad-audiomp, abandoned-netbsd-4-base, abandoned-netbsd-4, HEAD
Changes since 1.19: +19 -1 lines

Add __weak_reference macro in a way that it works with both gcc < 4 and
gcc == 4. Suggested by dsl.

/*	$NetBSD: cdefs_aout.h,v 1.20 2006/05/18 17:55:38 christos Exp $	*/

/*
 * Written by J.T. Conklin <jtc@wimsey.com> 01/17/95.
 * Public domain.
 */

#ifndef _SYS_CDEFS_AOUT_H_
#define	_SYS_CDEFS_AOUT_H_

#define	_C_LABEL(x)		__CONCAT(_,x)
#define	_C_LABEL_STRING(x)	"_"x

#if __STDC__
#define	___RENAME(x)	__asm(___STRING(_C_LABEL(x)))
#else
#define	___RENAME(x)	____RENAME(_/**/x)
#define	____RENAME(x)	__asm(___STRING(x))
#endif

#define	__indr_reference(sym,alias)	/* nada, since we do weak refs */

#ifdef __GNUC__
#if __STDC__
#define	__strong_alias(alias,sym)	       				\
    __asm(".global " _C_LABEL_STRING(#alias) "\n"			\
	    _C_LABEL_STRING(#alias) " = " _C_LABEL_STRING(#sym));
#define	__weak_alias(alias,sym)						\
    __asm(".weak " _C_LABEL_STRING(#alias) "\n"			\
	    _C_LABEL_STRING(#alias) " = " _C_LABEL_STRING(#sym));

/* Do not use __weak_extern, use __weak_reference instead */
#define	__weak_extern(sym)						\
    __asm(".weak " _C_LABEL_STRING(#sym));

#if __GNUC_PREREQ__(4, 0)
#define	__weak_reference(sym)	__attribute__((__weakref__))
#else
#define	__weak_reference(sym)	; __asm(".weak " _C_LABEL_STRING(#sym))
#endif

#define	__warn_references(sym,msg)					\
	__asm(".stabs \"" msg "\",30,0,0,0");				\
	__asm(".stabs \"_" #sym "\",1,0,0,0");
#else /* __STDC__ */
#define	__weak_alias(alias,sym) ___weak_alias(_/**/alias,_/**/sym)
#define	___weak_alias(alias,sym)					\
    __asm(".weak alias\nalias = sym");
/* Do not use __weak_extern, use __weak_reference instead */
#define	__weak_extern(sym) ___weak_extern(_/**/sym)
#define	___weak_extern(sym)						\
    __asm(".weak sym");

#if __GNUC_PREREQ__(4, 0)
#define	__weak_reference(sym)	__attribute__((__weakref__))
#else
#define	___weak_reference(sym)	; __asm(".weak sym");
#define	__weak_reference(sym)	___weak_reference(_/**/sym)
#endif

#define	__warn_references(sym,msg)					\
	__asm(".stabs msg,30,0,0,0");					\
	__asm(".stabs \"_/**/sym\",1,0,0,0");
#endif /* __STDC__ */
#else /* __GNUC__ */
#define	__warn_references(sym,msg)
#endif /* __GNUC__ */

#if defined(__sh__)		/* XXX SH COFF */
#undef __indr_reference(sym,alias)
#undef __warn_references(sym,msg)
#define	__warn_references(sym,msg)
#endif

#define	__IDSTRING(_n,_s)						\
	__asm(".data ; .asciz \"" _s "\" ; .text")

#undef __KERNEL_RCSID

#define	__RCSID(_s)	__IDSTRING(rcsid,_s)
#define	__SCCSID(_s)
#define	__SCCSID2(_s)
#if 0	/* XXX userland __COPYRIGHTs have \ns in them */
#define	__COPYRIGHT(_s)	__IDSTRING(copyright,_s)
#else
#define	__COPYRIGHT(_s)							\
	static const char copyright[] __attribute__((__unused__)) = _s
#endif

#if defined(USE_KERNEL_RCSIDS) || !defined(_KERNEL)
#define	__KERNEL_RCSID(_n,_s) __IDSTRING(__CONCAT(rcsid,_n),_s)
#else
#define	__KERNEL_RCSID(_n,_s)
#endif
#define	__KERNEL_SCCSID(_n,_s)
#define	__KERNEL_COPYRIGHT(_n, _s) __IDSTRING(__CONCAT(copyright,_n),_s)

#ifndef __lint__
#define	__link_set_make_entry(set, sym, type)				\
	static void const * const					\
	    __link_set_##set##_sym_##sym __used = &sym;		\
	__asm(".stabs \"___link_set_" #set "\", " #type ", 0, 0, _" #sym)
#else
#define	__link_set_make_entry(set, sym, type)				\
	extern void const * const __link_set_##set##_sym_##sym
#endif /* __lint__ */

#define	__link_set_add_text(set, sym)	__link_set_make_entry(set, sym, 23)
#define	__link_set_add_rodata(set, sym)	__link_set_make_entry(set, sym, 23)
#define	__link_set_add_data(set, sym)	__link_set_make_entry(set, sym, 25)
#define	__link_set_add_bss(set, sym)	__link_set_make_entry(set, sym, 27)

#define	__link_set_decl(set, ptype)					\
extern struct {								\
	int	__ls_length;						\
	ptype	*__ls_items[1];						\
} __link_set_##set

#define	__link_set_start(set)	(&(__link_set_##set).__ls_items[0])
#define	__link_set_end(set)						\
	(&(__link_set_##set).__ls_items[(__link_set_##set).__ls_length])

#define	__link_set_count(set)	((__link_set_##set).__ls_length)

#endif /* !_SYS_CDEFS_AOUT_H_ */