diff options
| author |   kurt <kurt@openbsd.org> | 2006-07-28 13:03:40 +0000 |
|---|---|---|
| committer | kurt <kurt@openbsd.org> | 2006-07-28 13:03:40 +0000 |
| commit | d27f7bd1ce231f801aa82851ccb67b1e291e648a (patch) | |
| tree | 2f77f9de291f49de15c4bca560e6089a2859cebb /share/man/man3 | |
| parent | Remove $Log$ check from keyword expansion test, which is the only (diff) | |
| download | wireguard-openbsd-d27f7bd1ce231f801aa82851ccb67b1e291e648a.tar.xz wireguard-openbsd-d27f7bd1ce231f801aa82851ccb67b1e291e648a.zip | |
Explain the effect of the --export-dynamic link option on the visibility
of the executable's symbols as well as improve the visibility paragraph a
bit. okay drahn@
Diffstat (limited to 'share/man/man3')
| -rw-r--r-- | share/man/man3/dlfcn.3 | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/share/man/man3/dlfcn.3 b/share/man/man3/dlfcn.3 index d448634e65c..5f0e5a21562 100644 --- a/share/man/man3/dlfcn.3 +++ b/share/man/man3/dlfcn.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: dlfcn.3,v 1.18 2006/07/26 12:45:55 kurt Exp $ +.\" $OpenBSD: dlfcn.3,v 1.19 2006/07/28 13:03:40 kurt Exp $ .\" $NetBSD: dlfcn.3,v 1.3 1996/01/09 19:43:34 pk Exp $ .\" .\" Copyright (c) 1995 Paul Kranenburg @@ -163,16 +163,17 @@ is returned. .Fn dlsym may also be called with special .Fa handles . -In all cases .Fn dlsym respects symbol visibility as specified by the .Fn dlopen .Fa mode parameter. -The main executable and all shared objects loaded at program startup are -globally visible. -In addition, all shared objects that are a dependency of another object are -always visible to the object that depends on them. +However, the symbols of an object's dependencies are always visible to it. +All shared objects loaded at program startup are globally visible. +Only the symbols in the main executable that are referenced by a +shared object at link time will be visible unless it has been linked +with the --export-dynamic option where all of its symbols will be +visible. The following special .Fa handles may be used with |