diff options
| author | Martin Liska <mliska@suse.cz> | 2019-07-04 16:39:08 +0200 |
|---|---|---|
| committer | Martin Liska <mliska@suse.cz> | 2019-07-29 10:11:44 +0200 |
| commit | cc5277b173701364c10204f316db28198f2c683b (patch) | |
| tree | a8f2b4749dc337a6e2b265785fe818c247329371 /binutils/nm.c | |
| parent | ac50aea1311b01c745afc4dba102a8d20d0eea6e (diff) | |
Support .gnu.lto_.lto section in ELF files (PR 24768).
bfd/ChangeLog:
2019-07-22 Martin Liska <mliska@suse.cz>
PR 24768
* archive.c (_bfd_compute_and_write_armap): Come up with
report_plugin_err variable.
* bfd-in2.h (struct bfd): Add lto_slim_object flag.
* elf.c (struct lto_section): New.
(_bfd_elf_make_section_from_shdr): Parse content of
.gnu_lto_.lto section.
* elflink.c: Report error for a missing LTO plugin.
* linker.c (_bfd_generic_link_add_one_symbol): Likewise.
binutils/ChangeLog:
2019-07-22 Martin Liska <mliska@suse.cz>
PR 24768
* nm.c (filter_symbols): Set report_plugin_err if
error is reported.
(display_rel_file): Report error for a missing LTO plugin.
gold/ChangeLog:
2019-07-22 Martin Liska <mliska@suse.cz>
PR 24768
* layout.h (class Layout): Add is_lto_slim_object and
set_lto_slim_object.
* object.cc (struct lto_section): Add lto_slim_object_.
(big_endian>::do_layout): Parse content of
.gnu_lto_.lto section.
(big_endian>::do_add_symbols): Report error for a missing
LTO plugin.
Diffstat (limited to 'binutils/nm.c')
| -rw-r--r-- | binutils/nm.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/binutils/nm.c b/binutils/nm.c index fd3f73167e..5d3d647843 100644 --- a/binutils/nm.c +++ b/binutils/nm.c @@ -438,6 +438,10 @@ print_symdef_entry (bfd *abfd) } } + +/* True when we can report missing plugin error. */ +bfd_boolean report_plugin_err = TRUE; + /* Choose which symbol entries to print; compact them downward to get rid of the rest. Return the number of symbols to be printed. */ @@ -470,9 +474,13 @@ filter_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms, if (sym->name[0] == '_' && sym->name[1] == '_' - && strcmp (sym->name + (sym->name[2] == '_'), "__gnu_lto_slim") == 0) - non_fatal (_("%s: plugin needed to handle lto object"), - bfd_get_filename (abfd)); + && strcmp (sym->name + (sym->name[2] == '_'), "__gnu_lto_slim") == 0 + && report_plugin_err) + { + report_plugin_err = FALSE; + non_fatal (_("%s: plugin needed to handle lto object"), + bfd_get_filename (abfd)); + } if (undefined_only) keep = bfd_is_und_section (sym->section); @@ -1164,6 +1172,15 @@ display_rel_file (bfd *abfd, bfd *archive_bfd) } } + /* lto_slim_object is set to false when a bfd is loaded with a compiler + LTO plugin. */ + if (abfd->lto_slim_object) + { + report_plugin_err = FALSE; + non_fatal (_("%s: plugin needed to handle lto object"), + bfd_get_filename (abfd)); + } + /* Discard the symbols we don't want to print. It's OK to do this in place; we'll free the storage anyway (after printing). */ |