PR binutils/15033

	* objcopy.c (enum change_action): Delete.
	(struct section_list): Delete remove, copy, change_vma, change_lma
	and set_flags fields.  Add context field.
	(find_section_list): Add a context parameter.  Add support for
	wildcard characters in section names.
	(is_strip_section): Check for sections being both  copied and
	removed.
	(copy_object): Pass context to find_section_list.
	(setup_section): Likewise.
	(copy_section): Likewise.
	(copy_main): Likewise.
	* doc/binutils: Document the new behaviour.
	* NEWS: Mention the new feature

1 files changed, 67 insertions, 58 deletions

diff --git a/binutils/doc/binutils.texi b/binutils/doc/binutils.texi
index fbe1f06..d733fdb 100644
--- a/binutils/doc/binutils.texi
+++ b/binutils/doc/binutils.texi
@@ -1065,8 +1065,8 @@ objcopy [@option{-F} @var{bfdname}|@option{--target=}@var{bfdname}]
         [@option{-b} @var{byte}|@option{--byte=}@var{byte}]
         [@option{-i} [@var{breadth}]|@option{--interleave}[=@var{breadth}]]
         [@option{--interleave-width=}@var{width}]
-        [@option{-j} @var{sectionname}|@option{--only-section=}@var{sectionname}]
-        [@option{-R} @var{sectionname}|@option{--remove-section=}@var{sectionname}]
+        [@option{-j} @var{sectionpattern}|@option{--only-section=}@var{sectionpattern}]
+        [@option{-R} @var{sectionpattern}|@option{--remove-section=}@var{sectionpattern}]
         [@option{-p}|@option{--preserve-dates}]
         [@option{-D}|@option{--enable-deterministic-archives}]
         [@option{-U}|@option{--disable-deterministic-archives}]
@@ -1076,11 +1076,11 @@ objcopy [@option{-F} @var{bfdname}|@option{--target=}@var{bfdname}]
         [@option{--set-start=}@var{val}]
         [@option{--adjust-start=}@var{incr}]
         [@option{--change-addresses=}@var{incr}]
-        [@option{--change-section-address} @var{section}@{=,+,-@}@var{val}]
-        [@option{--change-section-lma} @var{section}@{=,+,-@}@var{val}]
-        [@option{--change-section-vma} @var{section}@{=,+,-@}@var{val}]
+        [@option{--change-section-address} @var{sectionpattern}@{=,+,-@}@var{val}]
+        [@option{--change-section-lma} @var{sectionpattern}@{=,+,-@}@var{val}]
+        [@option{--change-section-vma} @var{sectionpattern}@{=,+,-@}@var{val}]
         [@option{--change-warnings}] [@option{--no-change-warnings}]
-        [@option{--set-section-flags} @var{section}=@var{flags}]
+        [@option{--set-section-flags} @var{sectionpattern}=@var{flags}]
         [@option{--add-section} @var{sectionname}=@var{filename}]
         [@option{--rename-section} @var{oldname}=@var{newname}[,@var{flags}]]
         [@option{--long-section-names} @{enable,disable,keep@}]
@@ -1204,17 +1204,21 @@ called _binary_@var{objfile}_start, _binary_@var{objfile}_end and
 _binary_@var{objfile}_size.  e.g. you can transform a picture file into
 an object file and then access it in your code using these symbols.
 
-@item -j @var{sectionname}
-@itemx --only-section=@var{sectionname}
-Copy only the named section from the input file to the output file.
+@item -j @var{sectionpattern}
+@itemx --only-section=@var{sectionpattern}
+Copy only the indicated sections from the input file to the output file.
 This option may be given more than once.  Note that using this option
-inappropriately may make the output file unusable.
+inappropriately may make the output file unusable.  Wildcard
+characters are accepted in @var{sectionpattern}.
 
-@item -R @var{sectionname}
-@itemx --remove-section=@var{sectionname}
-Remove any section named @var{sectionname} from the output file.  This
-option may be given more than once.  Note that using this option
-inappropriately may make the output file unusable.
+@item -R @var{sectionpattern}
+@itemx --remove-section=@var{sectionpattern}
+Remove any section matching @var{sectionpattern} from the output file.
+This option may be given more than once.  Note that using this option
+inappropriately may make the output file unusable.  Wildcard
+characters are accepted in @var{sectionpattern}.  Using both the
+@option{-j} and @option{-R} options together results in undefined
+behaviour.
 
 @item -S
 @itemx --strip-all
@@ -1396,65 +1400,68 @@ relocate the sections; if the program expects sections to be loaded at a
 certain address, and this option is used to change the sections such
 that they are loaded at a different address, the program may fail.
 
-@item --change-section-address @var{section}@{=,+,-@}@var{val}
-@itemx --adjust-section-vma @var{section}@{=,+,-@}@var{val}
+@item --change-section-address @var{sectionpattern}@{=,+,-@}@var{val}
+@itemx --adjust-section-vma @var{sectionpattern}@{=,+,-@}@var{val}
 @cindex changing section address
-Set or change both the VMA address and the LMA address of the named
-@var{section}.  If @samp{=} is used, the section address is set to
-@var{val}.  Otherwise, @var{val} is added to or subtracted from the
-section address.  See the comments under @option{--change-addresses},
-above. If @var{section} does not exist in the input file, a warning will
-be issued, unless @option{--no-change-warnings} is used.
+Set or change both the VMA address and the LMA address of any section
+matching @var{sectionpattern}.  If @samp{=} is used, the section
+address is set to @var{val}.  Otherwise, @var{val} is added to or
+subtracted from the section address.  See the comments under
+@option{--change-addresses}, above. If @var{sectionpattern} does not
+match any sections in the input file, a warning will be issued, unless
+@option{--no-change-warnings} is used.
 
-@item --change-section-lma @var{section}@{=,+,-@}@var{val}
+@item --change-section-lma @var{sectionpattern}@{=,+,-@}@var{val}
 @cindex changing section LMA
-Set or change the LMA address of the named @var{section}.  The LMA
-address is the address where the section will be loaded into memory at
-program load time.  Normally this is the same as the VMA address, which
-is the address of the section at program run time, but on some systems,
+Set or change the LMA address of any sections matching
+@var{sectionpattern}.  The LMA address is the address where the
+section will be loaded into memory at program load time.  Normally
+this is the same as the VMA address, which is the address of the
+section at program run time, but on some systems, especially those
+where a program is held in ROM, the two can be different.  If @samp{=}
+is used, the section address is set to @var{val}.  Otherwise,
+@var{val} is added to or subtracted from the section address.  See the
+comments under @option{--change-addresses}, above.  If
+@var{sectionpattern} does not match any sections in the input file, a
+warning will be issued, unless @option{--no-change-warnings} is used.
+
+@item --change-section-vma @var{sectionpattern}@{=,+,-@}@var{val}
+@cindex changing section VMA
+Set or change the VMA address of any section matching
+@var{sectionpattern}.  The VMA address is the address where the
+section will be located once the program has started executing.
+Normally this is the same as the LMA address, which is the address
+where the section will be loaded into memory, but on some systems,
 especially those where a program is held in ROM, the two can be
 different.  If @samp{=} is used, the section address is set to
 @var{val}.  Otherwise, @var{val} is added to or subtracted from the
 section address.  See the comments under @option{--change-addresses},
-above.  If @var{section} does not exist in the input file, a warning
-will be issued, unless @option{--no-change-warnings} is used.
-
-@item --change-section-vma @var{section}@{=,+,-@}@var{val}
-@cindex changing section VMA
-Set or change the VMA address of the named @var{section}.  The VMA
-address is the address where the section will be located once the
-program has started executing.  Normally this is the same as the LMA
-address, which is the address where the section will be loaded into
-memory, but on some systems, especially those where a program is held in
-ROM, the two can be different.  If @samp{=} is used, the section address
-is set to @var{val}.  Otherwise, @var{val} is added to or subtracted
-from the section address.  See the comments under
-@option{--change-addresses}, above.  If @var{section} does not exist in
-the input file, a warning will be issued, unless
+above.  If @var{sectionpattern} does not match any sections in the
+input file, a warning will be issued, unless
 @option{--no-change-warnings} is used.
 
 @item --change-warnings
 @itemx --adjust-warnings
 If @option{--change-section-address} or @option{--change-section-lma} or
-@option{--change-section-vma} is used, and the named section does not
-exist, issue a warning.  This is the default.
+@option{--change-section-vma} is used, and the section pattern does not
+match any sections, issue a warning.  This is the default.
 
 @item --no-change-warnings
 @itemx --no-adjust-warnings
 Do not issue a warning if @option{--change-section-address} or
 @option{--adjust-section-lma} or @option{--adjust-section-vma} is used, even
-if the named section does not exist.
-
-@item --set-section-flags @var{section}=@var{flags}
-Set the flags for the named section.  The @var{flags} argument is a
-comma separated string of flag names.  The recognized names are
-@samp{alloc}, @samp{contents}, @samp{load}, @samp{noload},
-@samp{readonly}, @samp{code}, @samp{data}, @samp{rom}, @samp{share}, and
-@samp{debug}.  You can set the @samp{contents} flag for a section which
-does not have contents, but it is not meaningful to clear the
-@samp{contents} flag of a section which does have contents--just remove
-the section instead.  Not all flags are meaningful for all object file
-formats.
+if the section pattern does not match any sections.
+
+@item --set-section-flags @var{sectionpattern}=@var{flags}
+Set the flags for any sections matching @var{sectionpattern}.  The
+@var{flags} argument is a comma separated string of flag names.  The
+recognized names are @samp{alloc}, @samp{contents}, @samp{load},
+@samp{noload}, @samp{readonly}, @samp{code}, @samp{data}, @samp{rom},
+@samp{share}, and @samp{debug}.  You can set the @samp{contents} flag
+for a section which does not have contents, but it is not meaningful
+to clear the @samp{contents} flag of a section which does have
+contents--just remove the section instead.  Not all flags are
+meaningful for all object file formats.
 
 @item --add-section @var{sectionname}=@var{filename}
 Add a new section named @var{sectionname} while copying the file.  The
@@ -2787,7 +2794,9 @@ Replace @var{objfile} with a file in the output format @var{bfdname}.
 @itemx --remove-section=@var{sectionname}
 Remove any section named @var{sectionname} from the output file.  This
 option may be given more than once.  Note that using this option
-inappropriately may make the output file unusable.
+inappropriately may make the output file unusable.  The wildcard
+character @samp{*} may be given at the end of @var{sectionname}.  If
+so, then any section starting with @var{sectionname} will be removed.
 
 @item -s
 @itemx --strip-all