dd4ad5c463
We can't hide them on LP32 because they appeared in NDK headers. Bug: 11156955 Change-Id: I22bf5a0f4d330c04b49565bc598cd0568128d4fc
132 lines
4.8 KiB
C
132 lines
4.8 KiB
C
/* $NetBSD: cdefs_elf.h,v 1.22 2005/02/26 22:25:34 perry Exp $ */
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/*
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* Copyright (c) 1995, 1996 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#ifndef _SYS_CDEFS_ELF_H_
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#define _SYS_CDEFS_ELF_H_
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#ifdef __LEADING_UNDERSCORE
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#define _C_LABEL(x) __CONCAT(_,x)
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#define _C_LABEL_STRING(x) "_"x
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#else
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#define _C_LABEL(x) x
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#define _C_LABEL_STRING(x) x
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#endif
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#define ___RENAME(x) __asm__(___STRING(_C_LABEL(x)))
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#define __indr_reference(sym,alias) /* nada, since we do weak refs */
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#define __strong_alias(alias,sym) \
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__asm__(".global " _C_LABEL_STRING(#alias) "\n" \
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_C_LABEL_STRING(#alias) " = " _C_LABEL_STRING(#sym));
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#define __weak_alias(alias,sym) \
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__asm__(".weak " _C_LABEL_STRING(#alias) "\n" \
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_C_LABEL_STRING(#alias) " = " _C_LABEL_STRING(#sym));
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#define __weak_extern(sym) \
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__asm__(".weak " _C_LABEL_STRING(#sym));
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/* We use __warnattr instead of __warn_references.
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* TODO: remove this and put an empty definition in one of the upstream-* compatibility headers.
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*/
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#define __warn_references(sym,msg) \
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/*__asm__(".section .gnu.warning." #sym "\n\t.ascii \"" msg "\"\n\t.text");*/
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#define __SECTIONSTRING(_sec, _str) \
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__asm__(".section " #_sec "\n\t.asciz \"" _str "\"\n\t.previous")
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/* Used to tag non-static symbols that are private and never exposed by the shared library. */
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#define __LIBC_HIDDEN__ __attribute__((visibility ("hidden")))
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/* Like __LIBC_HIDDEN__, but preserves binary compatibility for LP32. */
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#ifdef __LP64__
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#define __LIBC64_HIDDEN__ __LIBC_HIDDEN__
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#else
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#define __LIBC64_HIDDEN__
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#endif
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/* Used to tag non-static symbols that are public and exposed by the shared library. */
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#define __LIBC_ABI_PUBLIC__ __attribute__((visibility ("default")))
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#define __IDSTRING(_n,_s) __SECTIONSTRING(.ident,_s)
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#define __RCSID(_s) __IDSTRING(rcsid,_s)
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#define __SCCSID(_s)
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#define __SCCSID2(_s)
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#if 0 /* XXX userland __COPYRIGHTs have \ns in them */
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#define __COPYRIGHT(_s) __SECTIONSTRING(.copyright,_s)
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#else
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#define __COPYRIGHT(_s) \
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static const char copyright[] \
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__attribute__((__unused__,__section__(".copyright"))) = _s
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#endif
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#define __KERNEL_RCSID(_n, _s) __RCSID(_s)
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#define __KERNEL_SCCSID(_n, _s)
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#if 0 /* XXX see above */
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#define __KERNEL_COPYRIGHT(_n, _s) __COPYRIGHT(_s)
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#else
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#define __KERNEL_COPYRIGHT(_n, _s) __SECTIONSTRING(.copyright, _s)
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#endif
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#ifndef __lint__
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#define __link_set_make_entry(set, sym) \
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static void const * const __link_set_##set##_sym_##sym \
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__section("link_set_" #set) __used = &sym
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#define __link_set_make_entry2(set, sym, n) \
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static void const * const __link_set_##set##_sym_##sym##_##n \
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__section("link_set_" #set) __used = &sym[n]
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#else
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#define __link_set_make_entry(set, sym) \
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extern void const * const __link_set_##set##_sym_##sym
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#define __link_set_make_entry2(set, sym, n) \
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extern void const * const __link_set_##set##_sym_##sym##_##n
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#endif /* __lint__ */
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#define __link_set_add_text(set, sym) __link_set_make_entry(set, sym)
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#define __link_set_add_rodata(set, sym) __link_set_make_entry(set, sym)
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#define __link_set_add_data(set, sym) __link_set_make_entry(set, sym)
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#define __link_set_add_bss(set, sym) __link_set_make_entry(set, sym)
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#define __link_set_add_text2(set, sym, n) __link_set_make_entry2(set, sym, n)
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#define __link_set_add_rodata2(set, sym, n) __link_set_make_entry2(set, sym, n)
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#define __link_set_add_data2(set, sym, n) __link_set_make_entry2(set, sym, n)
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#define __link_set_add_bss2(set, sym, n) __link_set_make_entry2(set, sym, n)
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#define __link_set_decl(set, ptype) \
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extern ptype * const __start_link_set_##set[]; \
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extern ptype * const __stop_link_set_##set[] \
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#define __link_set_start(set) (__start_link_set_##set)
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#define __link_set_end(set) (__stop_link_set_##set)
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#define __link_set_count(set) \
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(__link_set_end(set) - __link_set_start(set))
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#endif /* !_SYS_CDEFS_ELF_H_ */
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