ar P support
This patch extends "ar P" to allow creation of normal (as distinct from thin) archives with full path names. PR 452 PR 25104 bfd/ * archive.c (normalize): Return file unchanged when BFD_ARCHIVE_FULL_PATH. (_bfd_construct_extended_name_table): Pass abfd, the output bfd, to normalize. (_bfd_archive_bsd44_construct_extended_name_table): Likewise. * bfd.c (struct bfd): Make flags a full flagword. (BFD_ARCHIVE_FULL_PATH): Define. * bfd-in2.h: Regenerate. binutils/ * ar.c (write_archive): Set BFD_ARCHIVE_FULL_PATH. * doc/binutils.texi (extract from archive): Mention restrictions when extracting from archives with full paths. (ar P): Update to current P support. (ar -X32_64): Fix spelling.
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Alan Modra
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54d83b8d39
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95cc7c169c
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@ -1,3 +1,15 @@
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2019-10-21 Alan Modra <amodra@gmail.com>
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PR 452
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* archive.c (normalize): Return file unchanged when
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BFD_ARCHIVE_FULL_PATH.
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(_bfd_construct_extended_name_table): Pass abfd, the output
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bfd, to normalize.
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(_bfd_archive_bsd44_construct_extended_name_table): Likewise.
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* bfd.c (struct bfd): Make flags a full flagword.
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(BFD_ARCHIVE_FULL_PATH): Define.
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* bfd-in2.h: Regenerate.
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2019-10-20 John David Anglin <danglin@gcc.gnu.org>
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* elf32-hppa.c (elf32_hppa_size_dynamic_sections): Provide 8-byte
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@ -1299,6 +1299,9 @@ normalize (bfd *abfd, const char *file)
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const char *last;
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char *copy;
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if (abfd->flags & BFD_ARCHIVE_FULL_PATH)
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return file;
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first = file + strlen (file) - 1;
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last = first + 1;
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@ -1326,8 +1329,10 @@ normalize (bfd *abfd, const char *file)
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#else
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static const char *
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normalize (bfd *abfd ATTRIBUTE_UNUSED, const char *file)
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normalize (bfd *abfd, const char *file)
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{
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if (abfd->flags & BFD_ARCHIVE_FULL_PATH)
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return file;
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return lbasename (file);
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}
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#endif
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@ -1562,7 +1567,7 @@ _bfd_construct_extended_name_table (bfd *abfd,
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continue;
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}
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normal = normalize (current, current->filename);
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normal = normalize (abfd, current->filename);
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if (normal == NULL)
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return FALSE;
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@ -1643,7 +1648,7 @@ _bfd_construct_extended_name_table (bfd *abfd,
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}
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else
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{
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normal = normalize (current, filename);
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normal = normalize (abfd, filename);
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if (normal == NULL)
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return FALSE;
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}
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@ -1714,7 +1719,7 @@ _bfd_archive_bsd44_construct_extended_name_table (bfd *abfd,
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current != NULL;
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current = current->archive_next)
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{
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const char *normal = normalize (current, current->filename);
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const char *normal = normalize (abfd, current->filename);
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int has_space = 0;
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unsigned int len;
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@ -6498,7 +6498,7 @@ struct bfd
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ENUM_BITFIELD (bfd_direction) direction : 2;
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/* Format_specific flags. */
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flagword flags : 20;
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flagword flags;
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/* Values that may appear in the flags field of a BFD. These also
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appear in the object_flags field of the bfd_target structure, where
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@ -6585,6 +6585,9 @@ struct bfd
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/* Use the ELF STT_COMMON type in this BFD. */
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#define BFD_USE_ELF_STT_COMMON 0x80000
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/* Put pathnames into archives (non-POSIX). */
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#define BFD_ARCHIVE_FULL_PATH 0x100000
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/* Flags bits to be saved in bfd_preserve_save. */
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#define BFD_FLAGS_SAVED \
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(BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_LINKER_CREATED \
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@ -92,7 +92,7 @@ CODE_FRAGMENT
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. ENUM_BITFIELD (bfd_direction) direction : 2;
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.
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. {* Format_specific flags. *}
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. flagword flags : 20;
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. flagword flags;
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.
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. {* Values that may appear in the flags field of a BFD. These also
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. appear in the object_flags field of the bfd_target structure, where
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@ -179,6 +179,9 @@ CODE_FRAGMENT
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. {* Use the ELF STT_COMMON type in this BFD. *}
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.#define BFD_USE_ELF_STT_COMMON 0x80000
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.
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. {* Put pathnames into archives (non-POSIX). *}
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.#define BFD_ARCHIVE_FULL_PATH 0x100000
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.
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. {* Flags bits to be saved in bfd_preserve_save. *}
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.#define BFD_FLAGS_SAVED \
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. (BFD_IN_MEMORY | BFD_COMPRESS | BFD_DECOMPRESS | BFD_LINKER_CREATED \
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@ -1,3 +1,13 @@
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2019-10-21 Alan Modra <amodra@gmail.com>
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PR 452
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PR 25104
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* ar.c (write_archive): Set BFD_ARCHIVE_FULL_PATH.
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* doc/binutils.texi (extract from archive): Mention
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restrictions when extracting from archives with full paths.
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(ar P): Update to current P support.
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(ar -X32_64): Fix spelling.
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2019-10-14 Alan Modra <amodra@gmail.com>
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* objcopy.c (compare_section_lma): Correct comment. Dereference
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@ -1200,6 +1200,9 @@ write_archive (bfd *iarch)
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if (deterministic)
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obfd->flags |= BFD_DETERMINISTIC_OUTPUT;
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if (full_pathname)
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obfd->flags |= BFD_ARCHIVE_FULL_PATH;
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if (make_thin_archive || bfd_is_thin_archive (iarch))
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bfd_set_thin_archive (obfd, TRUE);
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@ -387,7 +387,10 @@ use the @samp{v} modifier with this operation, to request that
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If you do not specify a @var{member}, all files in the archive
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are extracted.
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Files cannot be extracted from a thin archive.
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Files cannot be extracted from a thin archive, and there are
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restrictions on extracting from archives created with @option{P}: The
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paths must not be absolute, may not contain @code{..}, and any
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subdirectories in the paths must exist.
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@end table
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A number of modifiers (@var{mod}) may immediately follow the @var{p}
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@ -463,12 +466,20 @@ Display member offsets inside the archive. Use together with the @samp{t}
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option.
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@item P
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Use the full path name when matching names in the archive. @sc{gnu}
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@command{ar} can not create an archive with a full path name (such archives
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are not POSIX compliant), but other archive creators can. This option
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will cause @sc{gnu} @command{ar} to match file names using a complete path
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name, which can be convenient when extracting a single file from an
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archive created by another tool.
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Use the full path name when matching or storing names in the archive.
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Archives created with full path names are not POSIX compliant, and
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thus may not work with tools other than up to date @sc{gnu} tools.
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Modifying such archives with @sc{gnu} @command{ar} without using
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@option{P} will remove the full path names unless the archive is a
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thin archive. Note that @option{P} may be useful when adding files to
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a thin archive since @option{r} without @option{P} ignores the path
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when choosing which element to replace. Thus
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@smallexample
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ar rcST archive.a subdir/file1 subdir/file2 file1
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@end smallexample
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will result in the first @code{subdir/file1} being replaced with
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@code{file1} from the current directory. Adding @option{P} will
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prevent this replacement.
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@item s
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@cindex writing archive index
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@ -533,7 +544,7 @@ and then exits.
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Displays the version information of @command{ar} and then exits.
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@item -X32_64
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@command{ar} ignores an initial option spelt @samp{-X32_64}, for
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@command{ar} ignores an initial option spelled @samp{-X32_64}, for
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compatibility with AIX. The behaviour produced by this option is the
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default for @sc{gnu} @command{ar}. @command{ar} does not support any
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of the other @samp{-X} options; in particular, it does not support
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