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.\" ========================================================================
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.\" ========================================================================
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.\"
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.\"
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.IX Title "STRIP 1"
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.IX Title "STRIP 1"
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.TH STRIP 1 "2008-05-06" "binutils-2.18.50" "GNU Development Tools"
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.TH STRIP 1 "2008-05-06" "binutils-2.18.50" "GNU Development Tools"
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.SH "NAME"
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.SH "NAME"
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strip \- Discard symbols from object files.
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strip \- Discard symbols from object files.
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.SH "SYNOPSIS"
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.IX Header "SYNOPSIS"
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strip [\fB\-F\fR \fIbfdname\fR |\fB\-\-target=\fR\fIbfdname\fR]
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strip [\fB\-F\fR \fIbfdname\fR |\fB\-\-target=\fR\fIbfdname\fR]
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[\fB\-I\fR \fIbfdname\fR |\fB\-\-input\-target=\fR\fIbfdname\fR]
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[\fB\-I\fR \fIbfdname\fR |\fB\-\-input\-target=\fR\fIbfdname\fR]
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[\fB\-O\fR \fIbfdname\fR |\fB\-\-output\-target=\fR\fIbfdname\fR]
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[\fB\-O\fR \fIbfdname\fR |\fB\-\-output\-target=\fR\fIbfdname\fR]
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[\fB\-s\fR|\fB\-\-strip\-all\fR]
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[\fB\-s\fR|\fB\-\-strip\-all\fR]
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[\fB\-S\fR|\fB\-g\fR|\fB\-d\fR|\fB\-\-strip\-debug\fR]
|
[\fB\-S\fR|\fB\-g\fR|\fB\-d\fR|\fB\-\-strip\-debug\fR]
|
[\fB\-K\fR \fIsymbolname\fR |\fB\-\-keep\-symbol=\fR\fIsymbolname\fR]
|
[\fB\-K\fR \fIsymbolname\fR |\fB\-\-keep\-symbol=\fR\fIsymbolname\fR]
|
[\fB\-N\fR \fIsymbolname\fR |\fB\-\-strip\-symbol=\fR\fIsymbolname\fR]
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[\fB\-N\fR \fIsymbolname\fR |\fB\-\-strip\-symbol=\fR\fIsymbolname\fR]
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[\fB\-w\fR|\fB\-\-wildcard\fR]
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[\fB\-w\fR|\fB\-\-wildcard\fR]
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[\fB\-x\fR|\fB\-\-discard\-all\fR] [\fB\-X\fR |\fB\-\-discard\-locals\fR]
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[\fB\-x\fR|\fB\-\-discard\-all\fR] [\fB\-X\fR |\fB\-\-discard\-locals\fR]
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[\fB\-R\fR \fIsectionname\fR |\fB\-\-remove\-section=\fR\fIsectionname\fR]
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[\fB\-R\fR \fIsectionname\fR |\fB\-\-remove\-section=\fR\fIsectionname\fR]
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[\fB\-o\fR \fIfile\fR] [\fB\-p\fR|\fB\-\-preserve\-dates\fR]
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[\fB\-o\fR \fIfile\fR] [\fB\-p\fR|\fB\-\-preserve\-dates\fR]
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[\fB\-\-keep\-file\-symbols\fR]
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[\fB\-\-keep\-file\-symbols\fR]
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[\fB\-\-only\-keep\-debug\fR]
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[\fB\-\-only\-keep\-debug\fR]
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[\fB\-v\fR |\fB\-\-verbose\fR] [\fB\-V\fR|\fB\-\-version\fR]
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[\fB\-v\fR |\fB\-\-verbose\fR] [\fB\-V\fR|\fB\-\-version\fR]
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[\fB\-\-help\fR] [\fB\-\-info\fR]
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[\fB\-\-help\fR] [\fB\-\-info\fR]
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\fIobjfile\fR...
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\fIobjfile\fR...
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.SH "DESCRIPTION"
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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.IX Header "DESCRIPTION"
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\&\s-1GNU\s0 \fBstrip\fR discards all symbols from object files
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\&\s-1GNU\s0 \fBstrip\fR discards all symbols from object files
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\&\fIobjfile\fR. The list of object files may include archives.
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\&\fIobjfile\fR. The list of object files may include archives.
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At least one object file must be given.
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At least one object file must be given.
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.PP
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.PP
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\&\fBstrip\fR modifies the files named in its argument,
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\&\fBstrip\fR modifies the files named in its argument,
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rather than writing modified copies under different names.
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rather than writing modified copies under different names.
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.SH "OPTIONS"
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.SH "OPTIONS"
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.IX Header "OPTIONS"
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.IX Header "OPTIONS"
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.IP "\fB\-F\fR \fIbfdname\fR" 4
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.IP "\fB\-F\fR \fIbfdname\fR" 4
|
.IX Item "-F bfdname"
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.IX Item "-F bfdname"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-target=\fR\fIbfdname\fR" 4
|
.IP "\fB\-\-target=\fR\fIbfdname\fR" 4
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.IX Item "--target=bfdname"
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.IX Item "--target=bfdname"
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.PD
|
.PD
|
Treat the original \fIobjfile\fR as a file with the object
|
Treat the original \fIobjfile\fR as a file with the object
|
code format \fIbfdname\fR, and rewrite it in the same format.
|
code format \fIbfdname\fR, and rewrite it in the same format.
|
.IP "\fB\-\-help\fR" 4
|
.IP "\fB\-\-help\fR" 4
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.IX Item "--help"
|
.IX Item "--help"
|
Show a summary of the options to \fBstrip\fR and exit.
|
Show a summary of the options to \fBstrip\fR and exit.
|
.IP "\fB\-\-info\fR" 4
|
.IP "\fB\-\-info\fR" 4
|
.IX Item "--info"
|
.IX Item "--info"
|
Display a list showing all architectures and object formats available.
|
Display a list showing all architectures and object formats available.
|
.IP "\fB\-I\fR \fIbfdname\fR" 4
|
.IP "\fB\-I\fR \fIbfdname\fR" 4
|
.IX Item "-I bfdname"
|
.IX Item "-I bfdname"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-input\-target=\fR\fIbfdname\fR" 4
|
.IP "\fB\-\-input\-target=\fR\fIbfdname\fR" 4
|
.IX Item "--input-target=bfdname"
|
.IX Item "--input-target=bfdname"
|
.PD
|
.PD
|
Treat the original \fIobjfile\fR as a file with the object
|
Treat the original \fIobjfile\fR as a file with the object
|
code format \fIbfdname\fR.
|
code format \fIbfdname\fR.
|
.IP "\fB\-O\fR \fIbfdname\fR" 4
|
.IP "\fB\-O\fR \fIbfdname\fR" 4
|
.IX Item "-O bfdname"
|
.IX Item "-O bfdname"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-output\-target=\fR\fIbfdname\fR" 4
|
.IP "\fB\-\-output\-target=\fR\fIbfdname\fR" 4
|
.IX Item "--output-target=bfdname"
|
.IX Item "--output-target=bfdname"
|
.PD
|
.PD
|
Replace \fIobjfile\fR with a file in the output format \fIbfdname\fR.
|
Replace \fIobjfile\fR with a file in the output format \fIbfdname\fR.
|
.IP "\fB\-R\fR \fIsectionname\fR" 4
|
.IP "\fB\-R\fR \fIsectionname\fR" 4
|
.IX Item "-R sectionname"
|
.IX Item "-R sectionname"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-remove\-section=\fR\fIsectionname\fR" 4
|
.IP "\fB\-\-remove\-section=\fR\fIsectionname\fR" 4
|
.IX Item "--remove-section=sectionname"
|
.IX Item "--remove-section=sectionname"
|
.PD
|
.PD
|
Remove any section named \fIsectionname\fR from the output file. This
|
Remove any section named \fIsectionname\fR from the output file. This
|
option may be given more than once. Note that using this option
|
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.
|
.IP "\fB\-s\fR" 4
|
.IP "\fB\-s\fR" 4
|
.IX Item "-s"
|
.IX Item "-s"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-strip\-all\fR" 4
|
.IP "\fB\-\-strip\-all\fR" 4
|
.IX Item "--strip-all"
|
.IX Item "--strip-all"
|
.PD
|
.PD
|
Remove all symbols.
|
Remove all symbols.
|
.IP "\fB\-g\fR" 4
|
.IP "\fB\-g\fR" 4
|
.IX Item "-g"
|
.IX Item "-g"
|
.PD 0
|
.PD 0
|
.IP "\fB\-S\fR" 4
|
.IP "\fB\-S\fR" 4
|
.IX Item "-S"
|
.IX Item "-S"
|
.IP "\fB\-d\fR" 4
|
.IP "\fB\-d\fR" 4
|
.IX Item "-d"
|
.IX Item "-d"
|
.IP "\fB\-\-strip\-debug\fR" 4
|
.IP "\fB\-\-strip\-debug\fR" 4
|
.IX Item "--strip-debug"
|
.IX Item "--strip-debug"
|
.PD
|
.PD
|
Remove debugging symbols only.
|
Remove debugging symbols only.
|
.IP "\fB\-\-strip\-unneeded\fR" 4
|
.IP "\fB\-\-strip\-unneeded\fR" 4
|
.IX Item "--strip-unneeded"
|
.IX Item "--strip-unneeded"
|
Remove all symbols that are not needed for relocation processing.
|
Remove all symbols that are not needed for relocation processing.
|
.IP "\fB\-K\fR \fIsymbolname\fR" 4
|
.IP "\fB\-K\fR \fIsymbolname\fR" 4
|
.IX Item "-K symbolname"
|
.IX Item "-K symbolname"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-keep\-symbol=\fR\fIsymbolname\fR" 4
|
.IP "\fB\-\-keep\-symbol=\fR\fIsymbolname\fR" 4
|
.IX Item "--keep-symbol=symbolname"
|
.IX Item "--keep-symbol=symbolname"
|
.PD
|
.PD
|
When stripping symbols, keep symbol \fIsymbolname\fR even if it would
|
When stripping symbols, keep symbol \fIsymbolname\fR even if it would
|
normally be stripped. This option may be given more than once.
|
normally be stripped. This option may be given more than once.
|
.IP "\fB\-N\fR \fIsymbolname\fR" 4
|
.IP "\fB\-N\fR \fIsymbolname\fR" 4
|
.IX Item "-N symbolname"
|
.IX Item "-N symbolname"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-strip\-symbol=\fR\fIsymbolname\fR" 4
|
.IP "\fB\-\-strip\-symbol=\fR\fIsymbolname\fR" 4
|
.IX Item "--strip-symbol=symbolname"
|
.IX Item "--strip-symbol=symbolname"
|
.PD
|
.PD
|
Remove symbol \fIsymbolname\fR from the source file. This option may be
|
Remove symbol \fIsymbolname\fR from the source file. This option may be
|
given more than once, and may be combined with strip options other than
|
given more than once, and may be combined with strip options other than
|
\&\fB\-K\fR.
|
\&\fB\-K\fR.
|
.IP "\fB\-o\fR \fIfile\fR" 4
|
.IP "\fB\-o\fR \fIfile\fR" 4
|
.IX Item "-o file"
|
.IX Item "-o file"
|
Put the stripped output in \fIfile\fR, rather than replacing the
|
Put the stripped output in \fIfile\fR, rather than replacing the
|
existing file. When this argument is used, only one \fIobjfile\fR
|
existing file. When this argument is used, only one \fIobjfile\fR
|
argument may be specified.
|
argument may be specified.
|
.IP "\fB\-p\fR" 4
|
.IP "\fB\-p\fR" 4
|
.IX Item "-p"
|
.IX Item "-p"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-preserve\-dates\fR" 4
|
.IP "\fB\-\-preserve\-dates\fR" 4
|
.IX Item "--preserve-dates"
|
.IX Item "--preserve-dates"
|
.PD
|
.PD
|
Preserve the access and modification dates of the file.
|
Preserve the access and modification dates of the file.
|
.IP "\fB\-w\fR" 4
|
.IP "\fB\-w\fR" 4
|
.IX Item "-w"
|
.IX Item "-w"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-wildcard\fR" 4
|
.IP "\fB\-\-wildcard\fR" 4
|
.IX Item "--wildcard"
|
.IX Item "--wildcard"
|
.PD
|
.PD
|
Permit regular expressions in \fIsymbolname\fRs used in other command
|
Permit regular expressions in \fIsymbolname\fRs used in other command
|
line options. The question mark (?), asterisk (*), backslash (\e) and
|
line options. The question mark (?), asterisk (*), backslash (\e) and
|
square brackets ([]) operators can be used anywhere in the symbol
|
square brackets ([]) operators can be used anywhere in the symbol
|
name. If the first character of the symbol name is the exclamation
|
name. If the first character of the symbol name is the exclamation
|
point (!) then the sense of the switch is reversed for that symbol.
|
point (!) then the sense of the switch is reversed for that symbol.
|
For example:
|
For example:
|
.Sp
|
.Sp
|
.Vb 1
|
.Vb 1
|
\& -w -K !foo -K fo*
|
\& -w -K !foo -K fo*
|
.Ve
|
.Ve
|
.Sp
|
.Sp
|
would cause strip to only keep symbols that start with the letters
|
would cause strip to only keep symbols that start with the letters
|
\&\*(L"fo\*(R", but to discard the symbol \*(L"foo\*(R".
|
\&\*(L"fo\*(R", but to discard the symbol \*(L"foo\*(R".
|
.IP "\fB\-x\fR" 4
|
.IP "\fB\-x\fR" 4
|
.IX Item "-x"
|
.IX Item "-x"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-discard\-all\fR" 4
|
.IP "\fB\-\-discard\-all\fR" 4
|
.IX Item "--discard-all"
|
.IX Item "--discard-all"
|
.PD
|
.PD
|
Remove non-global symbols.
|
Remove non-global symbols.
|
.IP "\fB\-X\fR" 4
|
.IP "\fB\-X\fR" 4
|
.IX Item "-X"
|
.IX Item "-X"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-discard\-locals\fR" 4
|
.IP "\fB\-\-discard\-locals\fR" 4
|
.IX Item "--discard-locals"
|
.IX Item "--discard-locals"
|
.PD
|
.PD
|
Remove compiler-generated local symbols.
|
Remove compiler-generated local symbols.
|
(These usually start with \fBL\fR or \fB.\fR.)
|
(These usually start with \fBL\fR or \fB.\fR.)
|
.IP "\fB\-\-keep\-file\-symbols\fR" 4
|
.IP "\fB\-\-keep\-file\-symbols\fR" 4
|
.IX Item "--keep-file-symbols"
|
.IX Item "--keep-file-symbols"
|
When stripping a file, perhaps with \fB\-\-strip\-debug\fR or
|
When stripping a file, perhaps with \fB\-\-strip\-debug\fR or
|
\&\fB\-\-strip\-unneeded\fR, retain any symbols specifying source file names,
|
\&\fB\-\-strip\-unneeded\fR, retain any symbols specifying source file names,
|
which would otherwise get stripped.
|
which would otherwise get stripped.
|
.IP "\fB\-\-only\-keep\-debug\fR" 4
|
.IP "\fB\-\-only\-keep\-debug\fR" 4
|
.IX Item "--only-keep-debug"
|
.IX Item "--only-keep-debug"
|
Strip a file, removing contents of any sections that would not be
|
Strip a file, removing contents of any sections that would not be
|
stripped by \fB\-\-strip\-debug\fR and leaving the debugging sections
|
stripped by \fB\-\-strip\-debug\fR and leaving the debugging sections
|
intact. In \s-1ELF\s0 files, this preserves all note sections in the output.
|
intact. In \s-1ELF\s0 files, this preserves all note sections in the output.
|
.Sp
|
.Sp
|
The intention is that this option will be used in conjunction with
|
The intention is that this option will be used in conjunction with
|
\&\fB\-\-add\-gnu\-debuglink\fR to create a two part executable. One a
|
\&\fB\-\-add\-gnu\-debuglink\fR to create a two part executable. One a
|
stripped binary which will occupy less space in \s-1RAM\s0 and in a
|
stripped binary which will occupy less space in \s-1RAM\s0 and in a
|
distribution and the second a debugging information file which is only
|
distribution and the second a debugging information file which is only
|
needed if debugging abilities are required. The suggested procedure
|
needed if debugging abilities are required. The suggested procedure
|
to create these files is as follows:
|
to create these files is as follows:
|
.RS 4
|
.RS 4
|
.IP "1." 4
|
.IP "1." 4
|
.IX Item "1."
|
.IX Item "1."
|
\&\f(CW\*(C`foo\*(C'\fR then...
|
\&\f(CW\*(C`foo\*(C'\fR then...
|
.ie n .IP "1." 4
|
.ie n .IP "1." 4
|
.el .IP "1." 4
|
.el .IP "1." 4
|
.IX Item "1."
|
.IX Item "1."
|
create a file containing the debugging info.
|
create a file containing the debugging info.
|
.ie n .IP "1." 4
|
.ie n .IP "1." 4
|
.el .IP "1." 4
|
.el .IP "1." 4
|
.IX Item "1."
|
.IX Item "1."
|
stripped executable.
|
stripped executable.
|
.ie n .IP "1." 4
|
.ie n .IP "1." 4
|
.el .IP "1." 4
|
.el .IP "1." 4
|
.IX Item "1."
|
.IX Item "1."
|
to add a link to the debugging info into the stripped executable.
|
to add a link to the debugging info into the stripped executable.
|
.RE
|
.RE
|
.RS 4
|
.RS 4
|
.Sp
|
.Sp
|
Note\-\-\-the choice of \f(CW\*(C`.dbg\*(C'\fR as an extension for the debug info
|
Note\-\-\-the choice of \f(CW\*(C`.dbg\*(C'\fR as an extension for the debug info
|
file is arbitrary. Also the \f(CW\*(C`\-\-only\-keep\-debug\*(C'\fR step is
|
file is arbitrary. Also the \f(CW\*(C`\-\-only\-keep\-debug\*(C'\fR step is
|
optional. You could instead do this:
|
optional. You could instead do this:
|
.IP "1." 4
|
.IP "1." 4
|
.IX Item "1."
|
.IX Item "1."
|
.PD 0
|
.PD 0
|
.ie n .IP "1." 4
|
.ie n .IP "1." 4
|
.el .IP "1." 4
|
.el .IP "1." 4
|
.IX Item "1."
|
.IX Item "1."
|
.ie n .IP "1." 4
|
.ie n .IP "1." 4
|
.el .IP "1." 4
|
.el .IP "1." 4
|
.IX Item "1."
|
.IX Item "1."
|
.ie n .IP "1." 4
|
.ie n .IP "1." 4
|
.el .IP "1." 4
|
.el .IP "1." 4
|
.IX Item "1."
|
.IX Item "1."
|
.RE
|
.RE
|
.RS 4
|
.RS 4
|
.PD
|
.PD
|
.Sp
|
.Sp
|
i.e., the file pointed to by the \fB\-\-add\-gnu\-debuglink\fR can be the
|
i.e., the file pointed to by the \fB\-\-add\-gnu\-debuglink\fR can be the
|
full executable. It does not have to be a file created by the
|
full executable. It does not have to be a file created by the
|
\&\fB\-\-only\-keep\-debug\fR switch.
|
\&\fB\-\-only\-keep\-debug\fR switch.
|
.Sp
|
.Sp
|
Note\-\-\-this switch is only intended for use on fully linked files. It
|
Note\-\-\-this switch is only intended for use on fully linked files. It
|
does not make sense to use it on object files where the debugging
|
does not make sense to use it on object files where the debugging
|
information may be incomplete. Besides the gnu_debuglink feature
|
information may be incomplete. Besides the gnu_debuglink feature
|
currently only supports the presence of one filename containing
|
currently only supports the presence of one filename containing
|
debugging information, not multiple filenames on a one-per-object-file
|
debugging information, not multiple filenames on a one-per-object-file
|
basis.
|
basis.
|
.RE
|
.RE
|
.IP "\fB\-V\fR" 4
|
.IP "\fB\-V\fR" 4
|
.IX Item "-V"
|
.IX Item "-V"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-version\fR" 4
|
.IP "\fB\-\-version\fR" 4
|
.IX Item "--version"
|
.IX Item "--version"
|
.PD
|
.PD
|
Show the version number for \fBstrip\fR.
|
Show the version number for \fBstrip\fR.
|
.IP "\fB\-v\fR" 4
|
.IP "\fB\-v\fR" 4
|
.IX Item "-v"
|
.IX Item "-v"
|
.PD 0
|
.PD 0
|
.IP "\fB\-\-verbose\fR" 4
|
.IP "\fB\-\-verbose\fR" 4
|
.IX Item "--verbose"
|
.IX Item "--verbose"
|
.PD
|
.PD
|
Verbose output: list all object files modified. In the case of
|
Verbose output: list all object files modified. In the case of
|
archives, \fBstrip \-v\fR lists all members of the archive.
|
archives, \fBstrip \-v\fR lists all members of the archive.
|
.IP "\fB@\fR\fIfile\fR" 4
|
.IP "\fB@\fR\fIfile\fR" 4
|
.IX Item "@file"
|
.IX Item "@file"
|
Read command-line options from \fIfile\fR. The options read are
|
Read command-line options from \fIfile\fR. The options read are
|
inserted in place of the original @\fIfile\fR option. If \fIfile\fR
|
inserted in place of the original @\fIfile\fR option. If \fIfile\fR
|
does not exist, or cannot be read, then the option will be treated
|
does not exist, or cannot be read, then the option will be treated
|
literally, and not removed.
|
literally, and not removed.
|
.Sp
|
.Sp
|
Options in \fIfile\fR are separated by whitespace. A whitespace
|
Options in \fIfile\fR are separated by whitespace. A whitespace
|
character may be included in an option by surrounding the entire
|
character may be included in an option by surrounding the entire
|
option in either single or double quotes. Any character (including a
|
option in either single or double quotes. Any character (including a
|
backslash) may be included by prefixing the character to be included
|
backslash) may be included by prefixing the character to be included
|
with a backslash. The \fIfile\fR may itself contain additional
|
with a backslash. The \fIfile\fR may itself contain additional
|
@\fIfile\fR options; any such options will be processed recursively.
|
@\fIfile\fR options; any such options will be processed recursively.
|
.SH "SEE ALSO"
|
.SH "SEE ALSO"
|
.IX Header "SEE ALSO"
|
.IX Header "SEE ALSO"
|
the Info entries for \fIbinutils\fR.
|
the Info entries for \fIbinutils\fR.
|
.SH "COPYRIGHT"
|
.SH "COPYRIGHT"
|
.IX Header "COPYRIGHT"
|
.IX Header "COPYRIGHT"
|
Copyright (c) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
|
Copyright (c) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
|
2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
|
2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
|
.PP
|
.PP
|
Permission is granted to copy, distribute and/or modify this document
|
Permission is granted to copy, distribute and/or modify this document
|
under the terms of the \s-1GNU\s0 Free Documentation License, Version 1.2
|
under the terms of the \s-1GNU\s0 Free Documentation License, Version 1.2
|
or any later version published by the Free Software Foundation;
|
or any later version published by the Free Software Foundation;
|
with no Invariant Sections, with no Front-Cover Texts, and with no
|
with no Invariant Sections, with no Front-Cover Texts, and with no
|
Back-Cover Texts. A copy of the license is included in the
|
Back-Cover Texts. A copy of the license is included in the
|
section entitled \*(L"\s-1GNU\s0 Free Documentation License\*(R".
|
section entitled \*(L"\s-1GNU\s0 Free Documentation License\*(R".
|
|
|
