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* objcopy.c (struct section_list): Add fields used, adjust, val.

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(adjust_start, set_start_set, set_start): New static variables.
	(adjust_section_vma, adjust_sections): New static variables.
	(copy_options): Add --adjust-start, --adjust-vma,
	--adjust-section-vma, --adjust-warnings, --no-adjust-warnings,
	--set-start.
	(parse_vma): New static function.
	(copy_usage): Mention new options.
	(copy_object): Handle --set-start and --adjust-start.
	(setup_section): Correct type of last argument to PTR.  Set used
	field if section is removed.  Handle --adjust-vma and
	--adjust-section-vma.
	(copy_section): Correct type of last argument to PTR.
	(mark_symbols_used_in_relocations): Likewise.
	(strip_main): Clear used field when handling -R.
	(copy_main): Handle new options.
	* binutils.texi (objcopy): Document new options.
	* objcopy.1: Document new options.
This commit is contained in:
Ian Lance Taylor
1994-10-18 15:49:53 +00:00
parent 683f474317
commit 6c7ed0842d
4 changed files with 356 additions and 32 deletions
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46
binutils/objcopy.1
View File

@@ -1,6 +1,6 @@
.\" Copyright (c) 1991 Free Software Foundation
.\" See section COPYING for conditions for redistribution
.TH objcopy 1 "June 1993" "cygnus support" "GNU Development Tools"
.TH objcopy 1 "October 1994" "cygnus support" "GNU Development Tools"
.de BP
.sp
.ti \-.2i
@@ -23,8 +23,14 @@ objcopy \- copy and translate object files
.RB "[\|" \-g\ |\ \-\-strip\-debug\fR "\|]"
.RB "[\|" \-x\ |\ \-\-discard\-all\fR "\|]"
.RB "[\|" \-X\ |\ \-\-discard\-locals\fR "\|]"
.RB "[\|" \-b\ \fIbyte\fP |\ \-\-byte=\fIbyte\fP "\|]"
.RB "[\|" \-i\ \fIinterleave\fP |\ \-\-interleave=\fIinterleave\fP "\|]"
.RB "[\|" \-b\ \fIbyte\fP |\ \-\-byte=\fIbyte\fP "\|]"
.RB "[\|" \-i\ \fIinterleave\fP |\ \-\-interleave=\fIinterleave\fP "\|]"
.RB "[\|" \-\-set\-start=\fIval\fP "\|]"
.RB "[\|" \-\-adjust\-start=\fIincr\fP "\|]"
.RB "[\|" \-\-adjust\-vma=\fIincr\fP "\|]"
.RB "[\|" \-\-adjust\-section\-vma=\fIsection{=,+,-}val\fP "\|]"
.RB "[\|" \-\-adjust\-warnings "\|]"
.RB "[\|" \-\-no\-adjust\-warnings "\|]"
.RB "[\|" \-v\ |\ \-\-verbose\fR "\|]"
.RB "[\|" \-V\ |\ \-\-version\fR "\|]"
.RB "[\|" \-\-help\fR "\|]"
@@ -104,6 +110,38 @@ Only copy one out of every \fIinterleave\fP bytes. Which one to copy is
selected by the \fB\-b\fP or \fB\-\-byte\fP option. The default is 4.
The interleave is ignored if neither \fB\-b\fP nor \fB\-\-byte\fP is given.
.TP
.B \fB\-\-set\-start=\fIval
Set the start address of the new file to \fIval\fP. Not all object
file formats support setting the start address.
.TP
.B \fB\-\-adjust\-start=\fIincr
Adjust the start address by adding \fIincr\fP. Not all object file
formats support setting the start address.
.TP
.B \fB\-\-adjust\-vma=\fIincr
Adjust the address of all sections, as well as the start address, by
adding \fIincr\fP. Some object file formats do not permit section
addresses to be changed arbitrarily. Note that this does not 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.
.TP
.B \fB\-\-adjust\-section\-vma=\fIsection{=,+,-}val
Set or adjust the address of the named \fIsection\fP. If \fI=\fP is
used, the section address is set to \fIval\fP. Otherwise, \fIval\fP
is added to or subtracted from the section address. See the comments
under \fB\-\-adjust\-vma\fP, above. If \fIsection\fP does not exist
in the input file, a warning will be issued, unless
\fB\-\-no\-adjust\-warnings\fP is used.
.TP
.B \fB\-\-adjust\-warnings
If \fB\-\-adjust\-section\-vma\fP is used, and the named section does
not exist, issue a warning. This is the default.
.TP
.B \fB\-\-no\-adjust\-warnings
Do not issue a warning if \fB\-\-adjust\-section\-vma\fP is used, even
if the named section does not exist.
.TP
.B \-v\fR, \fB\-\-verbose
Verbose output: list all object files modified. In the case of
archives, "\fBobjcopy \-V\fR" lists all members of the archive.
@@ -128,7 +166,7 @@ The GNU Binary Utilities\c
\&, Roland H. Pesch (June 1993).
.SH COPYING
Copyright (c) 1993 Free Software Foundation, Inc.
Copyright (c) 1993,1994 Free Software Foundation, Inc.
.PP
Permission is granted to make and distribute verbatim copies of
this manual provided the copyright notice and this permission notice