From b69e1ff3507b3ba841f59dcf9bb121fcdd78044e Mon Sep 17 00:00:00 2001 From: Christoph Conrads Date: Thu, 25 Oct 2018 21:21:41 +0200 Subject: [PATCH] ELF: update ld man page on `--gc-sections` Commit 91ae256e33 fixes the behavior of ld when `--gc-sections` and `--gc-keep-exported` are both given on the linker command line. This updates the ld documentation to suit. * ld.texi (--gc-sections): Update. --- ld/ChangeLog | 4 ++++ ld/ld.texi | 8 +++++--- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/ld/ChangeLog b/ld/ChangeLog index 6026575..b772dcd 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,7 @@ +2018-10-26 Christoph Conrads + + * ld.texi (--gc-sections): Update. + 2018-10-24 H.J. Lu PR ld/23818 diff --git a/ld/ld.texi b/ld/ld.texi index 6e0b48b..b304ea2 100644 --- a/ld/ld.texi +++ b/ld/ld.texi @@ -1605,12 +1605,14 @@ referenced by dynamic objects. Note that when building shared libraries, the linker must assume that any visible symbol is referenced. Once this initial set of sections has been determined, the linker recursively marks as used any section referenced by their -relocations. See @samp{--entry} and @samp{--undefined}. +relocations. See @samp{--entry}, @samp{--undefined}, and +@samp{--gc-keep-exported}. This option can be set when doing a partial link (enabled with option @samp{-r}). In this case the root of symbols kept must be explicitly -specified either by an @samp{--entry} or @samp{--undefined} option or by -a @code{ENTRY} command in the linker script. +specified either by one of the options @samp{--entry}, +@samp{--undefined}, or @samp{--gc-keep-exported} or by a @code{ENTRY} +command in the linker script. @kindex --print-gc-sections @kindex --no-print-gc-sections -- 2.7.4