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| author | Tristan Gingold <gingold@adacore.com> | 2008-01-11 09:11:18 +0000 |
|---|---|---|
| committer | Tristan Gingold <gingold@adacore.com> | 2008-01-11 09:11:18 +0000 |
| commit | ac69cbc672a0702152d34bac2da436dcee2e5346 (patch) | |
| tree | 6ffc8a7b8272f96af39210413806e543b28c186b /ld/ld.texinfo | |
| parent | 7dda2462a7035e0c9cc9706abfda31861c551b14 (diff) | |
| download | binutils-ac69cbc672a0702152d34bac2da436dcee2e5346.zip binutils-ac69cbc672a0702152d34bac2da436dcee2e5346.tar.gz binutils-ac69cbc672a0702152d34bac2da436dcee2e5346.tar.bz2 | |
ld:
2008-01-11 Tristan Gingold <gingold@adacore.com>
Eric Botcazou <ebotcazou@adacore.com>
* ldlang.c (lang_end): Warns if the entry point is not found when
--gc-sections.
Emit an error if no root is specified when --gc-sections -r.
* ld.texinfo (Options): Document that --gc-sections is compatible
with -r and -q.
* ldmain.c (main): Do not error out if -r and --gc-sections.
* scripttempl/elf.sc: Emit ENTRY command only if relocating.
ld/testsuite:
2008-01-11 Tristan Gingold <gingold@adacore.com>
* lib/ld-lib.exp (check_gc_sections_available): Now available on
VxWorks.
* ld-gc: New directory for testing --gc-sections.
* ld-gc/gc.c: New file.
* ld-gc/gc.exp: New file.
* ld-gc/noent.s: New file.
* ld-gc/noent.d: New file.
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index 7cbc26a..7d77d1c 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -1280,8 +1280,7 @@ it ends in a @code{.exe} suffix. @item --gc-sections @itemx --no-gc-sections Enable garbage collection of unused input sections. It is ignored on -targets that do not support this option. This option is not compatible -with @samp{-r} or @samp{--emit-relocs}. The default behaviour (of not +targets that do not support this option. The default behaviour (of not performing this garbage collection) can be restored by specifying @samp{--no-gc-sections} on the command line. @@ -1295,6 +1294,11 @@ 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}. +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 explicitely +specified either by an @samp{--entry} or @samp{--undefined} option or by +a @code{ENTRY} command in the linker script. + @kindex --print-gc-sections @kindex --no-print-gc-sections @cindex garbage collection |