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| author | Nick Clifton <nickc@redhat.com> | 2015-04-07 16:29:41 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2015-04-07 16:29:41 +0100 |
| commit | 3ea6077552ad86ebb441bef6e1bd40e18d06ab44 (patch) | |
| tree | 2a705af6063e141f715ad6e96547feffacec90a8 /ld/ldemul.c | |
| parent | 8a06aea71e0aa9099d0ca593dbb58f6e056af4ff (diff) | |
| download | gdb-3ea6077552ad86ebb441bef6e1bd40e18d06ab44.zip gdb-3ea6077552ad86ebb441bef6e1bd40e18d06ab44.tar.gz gdb-3ea6077552ad86ebb441bef6e1bd40e18d06ab44.tar.bz2 | |
Add new linker option: --warn-orphan which generates warning messages when orphan sections are detected.
ld * ld.h (struct ld_config_type): Add new field: warn_orphan.
* ldlex.h (enum option_values): Add OPTION_WARN_ORPHAN and
OPTION_NO_WARN_ORPHAN.
* lexsup.c (ld_options): Add --warn-orphan and --no-warn-orphan.
(parse_args): Handle the new options.
* ldemul.c (ldemul_place_orphan): If requested, generate a warning
message when an orphan section is placed in the output file.
* ld.texinfo: Document the new option.
* NEWS: Mention the new feature.
tests * ld-elf/orphan-5.l: New test - checks the linker's output with
--warn-orphan enabled.
* ld-elf/elf.exp: Run the new test.
Diffstat (limited to 'ld/ldemul.c')
| -rw-r--r-- | ld/ldemul.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/ld/ldemul.c b/ld/ldemul.c index 8b2cae7..4898892 100644 --- a/ld/ldemul.c +++ b/ld/ldemul.c @@ -120,6 +120,10 @@ ldemul_open_dynamic_archive (const char *arch, search_dirs_type *search, lang_output_section_statement_type * ldemul_place_orphan (asection *s, const char *name, int constraint) { + if (config.warn_orphan) + einfo (_("%P: Warning: input section '%s' from file '%B' is not mentioned in linker script\n"), + name, s->owner); + if (ld_emulation->place_orphan) return (*ld_emulation->place_orphan) (s, name, constraint); return NULL; |