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size(1)

size(1)                          User Commands                         size(1)



NAME
       size - print section sizes in bytes of object files

SYNOPSIS
       size [-fFhnoVx] [--scale[=item1,item2,...]] file...

DESCRIPTION
       The  size command produces segment or section size information in bytes
       for each loaded section in ELF object files. size prints  the  size  of
       the text, data, and bss (uninitialized data) segments (or sections) and
       their total.


       size processes ELF object files entered on the command line. If an  ar‐
       chive  file  is  input  to  the  size command, the information for each
       object file in the archive is displayed.


       When calculating segment information, the size command prints the total
       file  size  of  the  non-writable  segments, the total file size of the
       writable segments, and the total memory size of the  writable  segments
       minus the total file size of the writable segments.


       If  it  cannot  calculate  segment information, size calculates section
       information. When calculating section information, it prints the  total
       size  of  sections  that are allocatable, non-writable, and not NOBITS,
       the total size of the sections that are allocatable, writable, and  not
       NOBITS,  and  the  total  size of the writable sections of type NOBITS.
       NOBITS sections do not actually take up space in the file.


       If size cannot calculate either  segment  or  section  information,  it
       prints an error message.

OPTIONS
       The following options are supported:

       -f

           Prints  the  size of each allocatable section, the name of the sec‐
           tion, and the total of the section sizes. If there  is  no  section
           data, size prints an error message.


       -F

           Prints  the  size of each loadable segment, the permission flags of
           the segment, then the total of the loadable segment sizes. If there
           is no segment data, size prints an error message.


       -h

           Prints  numbers  in decimal, scaled to a human readable format. The
           -h option is equivalent to using the --scale=max,1024 option.


       -n

           Prints non-loadable segment or non-allocatable  section  sizes.  If
           segment  data  exists, size prints the memory size of each loadable
           segment or file size of each non-loadable segment,  the  permission
           flags,  and  the total size of the segments. If there is no segment
           data, size prints, for each allocatable  and  non-allocatable  sec‐
           tion,  the memory size, the section name, and the total size of the
           sections. If there is no segment or section data,  size  prints  an
           error message.


       -o

           Prints numbers in octal, not decimal.


       --scale[=item1,item2,...]

           Prints numbers in decimal, scaled to a human readable format. Scal‐
           ing is done by repetitively  dividing  by  1024,  unless  otherwise
           specified.

           --scale  specified without arguments enables default scaled output,
           and is equivalent to --scale=max,1024.

           --scale can be specified with the following arguments.

           binary

               Scaling is done by repetitively dividing by a scale  factor  of
               1024. The use of binary scaling is indicated by the addition of
               an 'i' modifier to the suffix (Ki, Mi, Gi, ...).


           max

               Values are scaled to the largest  unit  for  which  the  result
               retains  a  non-zero  integer  part.  Up to 2 decimal places of
               fractional output may be shown.


           min

               Values are scaled to the smallest unit capable of  showing  the
               full  value  within  the  allotted space of 5 columns, and dis‐
               played without the use of fractional output.


           minwide

               Values are scaled to the smallest unit capable of  showing  the
               full  value  within  the  allotted space of 8 columns, and dis‐
               played without the use of fractional output.


           1000

               Scaling is done by repetitively dividing by a scale  factor  of
               1000.


           1024

               Scaling  is  done by repetitively dividing by a scale factor of
               1024.



       -V
       --version

           Print version information.



       -x

           Prints numbers in hexadecimal, not decimal.


       -?
       --help

           Print usage message and immediately exit.



EXAMPLES
       The examples below are typical size output.

       Example 1 Producing size information


         example% size filename
         2724 + 88 + 0 = 2812


       Example 2 Producing allocatable section size information


         example% size -f filename
         26(.text) + 5(.init) + 5(.fini) = 36


       Example 3 Producing loadable segment size information


         example% size -F filename
         2724(r-x) + 88(rwx) + 0(rwx) = 2812


ATTRIBUTES
       See attributes(7) for descriptions of the following attributes:


       tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE  TYPEAT‐
       TRIBUTE VALUE _ Availabilitydeveloper/base-developer-utilities


SEE ALSO
       as(1), ld(1), ar.h(3HEAD), a.out(5), attributes(7)



Oracle Solaris 11.4            18 September 2021                       size(1)
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