Module Name: src Committed By: martin Date: Sat Dec 13 19:13:25 UTC 2014
Modified Files: src/sys/sys [netbsd-7]: cdefs_elf.h Log Message: Pull up following revision(s) (requested by joerg in ticket #316): sys/sys/cdefs_elf.h: revision 1.47 Add macro to mark a symbol as weak. Use it to mark the end of a linker set as empty linker set otherwise violate the aliasing rules of C by presenting zero sized objects. To generate a diff of this commit: cvs rdiff -u -r1.44 -r1.44.2.1 src/sys/sys/cdefs_elf.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/sys/cdefs_elf.h diff -u src/sys/sys/cdefs_elf.h:1.44 src/sys/sys/cdefs_elf.h:1.44.2.1 --- src/sys/sys/cdefs_elf.h:1.44 Tue May 13 19:58:23 2014 +++ src/sys/sys/cdefs_elf.h Sat Dec 13 19:13:25 2014 @@ -1,4 +1,4 @@ -/* $NetBSD: cdefs_elf.h,v 1.44 2014/05/13 19:58:23 christos Exp $ */ +/* $NetBSD: cdefs_elf.h,v 1.44.2.1 2014/12/13 19:13:25 martin Exp $ */ /* * Copyright (c) 1995, 1996 Carnegie-Mellon University. @@ -65,6 +65,12 @@ __asm(".weak " _C_LABEL_STRING(#sym)); #if __GNUC_PREREQ__(4, 0) +#define __weak __attribute__((__weak__)) +#else +#define __weak +#endif + +#if __GNUC_PREREQ__(4, 0) #define __weak_reference(sym) __attribute__((__weakref__(#sym))) #else #define __weak_reference(sym) ; __asm(".weak " _C_LABEL_STRING(#sym)) @@ -157,7 +163,7 @@ #define __link_set_decl(set, ptype) \ extern ptype * const __link_set_start(set)[] __dso_hidden; \ - extern ptype * const __link_set_end(set)[] __dso_hidden + extern ptype * const __link_set_end(set)[] __weak __dso_hidden #define __link_set_count(set) \ (__link_set_end(set) - __link_set_start(set))