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SIZE(1) GNU Development Tools SIZE(1)
NAME
size - list section sizes and total size of binary files
SYNOPSIS
size [-A|-B|-G|--format=compatibility]
[--help]
[-d|-o|-x|--radix=number]
[--common]
[-t|--totals]
[--target=bfdname] [-V|--version]
[-f]
[objfile...]
DESCRIPTION
The GNU size utility lists the section sizes and the total size for
each of the binary files objfile on its argument list. By default, one
line of output is generated for each file or each module if the file is
an archive.
objfile... are the files to be examined. If none are specified, the
file "a.out" will be used instead.
OPTIONS
The command-line options have the following meanings:
-A
-B
-G
--format=compatibility
Using one of these options, you can choose whether the output from
GNU size resembles output from System V size (using -A, or
--format=sysv), or Berkeley size (using -B, or --format=berkeley).
The default is the one-line format similar to Berkeley's.
Alternatively, you can choose the GNU format output (using -G, or
--format=gnu), this is similar to Berkeley's output format, but
sizes are counted differently.
Here is an example of the Berkeley (default) format of output from
size:
$ size --format=Berkeley ranlib size
text data bss dec hex filename
294880 81920 11592 388392 5ed28 ranlib
294880 81920 11888 388688 5ee50 size
The Berkeley style output counts read only data in the "text"
column, not in the "data" column, the "dec" and "hex" columns both
display the sum of the "text", "data", and "bss" columns in decimal
and hexadecimal respectively.
The GNU format counts read only data in the "data" column, not the
"text" column, and only displays the sum of the "text", "data", and
"bss" columns once, in the "total" column. The --radix option can
be used to change the number base for all columns. Here is the
same data displayed with GNU conventions:
$ size --format=GNU ranlib size
text data bss total filename
279880 96920 11592 388392 ranlib
279880 96920 11888 388688 size
This is the same data, but displayed closer to System V
conventions:
$ size --format=SysV ranlib size
ranlib :
section size addr
.text 294880 8192
.data 81920 303104
.bss 11592 385024
Total 388392
size :
section size addr
.text 294880 8192
.data 81920 303104
.bss 11888 385024
Total 388688
--help
-h
-H
-? Show a summary of acceptable arguments and options.
-d
-o
-x
--radix=number
Using one of these options, you can control whether the size of
each section is given in decimal (-d, or --radix=10); octal (-o, or
--radix=8); or hexadecimal (-x, or --radix=16). In --radix=number,
only the three values (8, 10, 16) are supported. The total size is
always given in two radices; decimal and hexadecimal for -d or -x
output, or octal and hexadecimal if you're using -o.
--common
Print total size of common symbols in each file. When using
Berkeley or GNU format these are included in the bss size.
-t
--totals
Show totals of all objects listed (Berkeley or GNU format mode
only).
--target=bfdname
Specify that the object-code format for objfile is bfdname. This
option may not be necessary; size can automatically recognize many
formats.
-v
-V
--version
Display the version number of size.
-f Ignored. This option is used by other versions of the size
program, but it is not supported by the GNU Binutils version.
@file
Read command-line options from file. The options read are inserted
in place of the original @file option. If file does not exist, or
cannot be read, then the option will be treated literally, and not
removed.
Options in file are separated by whitespace. A whitespace
character may be included in an option by surrounding the entire
option in either single or double quotes. Any character (including
a backslash) may be included by prefixing the character to be
included with a backslash. The file may itself contain additional
@file options; any such options will be processed recursively.
SEE ALSO
ar(1), objdump(1), readelf(1), and the Info entries for binutils.
COPYRIGHT
Copyright (c) 1991-2024 Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
any later version published by the Free Software Foundation; with no
Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
Texts. A copy of the license is included in the section entitled "GNU
Free Documentation License".
binutils-2.43 2024-08-16 SIZE(1)
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