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a324c34037
This updates llvm, clang, compiler-rt, libc++, libunwind, lld, lldb and openmp to llvmorg-16.0.4-0-gae42196bc493 (aka 16.0.4 release). PR: 271047 MFC after: 1 month
270 lines
6.5 KiB
Groff
270 lines
6.5 KiB
Groff
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.TH "LLVM-SIZE" "1" "2023-05-24" "16" "LLVM"
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.SH NAME
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llvm-size \- print size information
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.SH SYNOPSIS
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.sp
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\fBllvm\-size\fP [\fIoptions\fP] [\fIinput...\fP]
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.SH DESCRIPTION
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.sp
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\fBllvm\-size\fP is a tool that prints size information for binary files.
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It is intended to be a drop\-in replacement for GNU\(aqs \fBsize\fP\&.
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.sp
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The tool prints size information for each \fBinput\fP specified. If no input is
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specified, the program prints size information for \fBa.out\fP\&. If \(dq\fB\-\fP\(dq is
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specified as an input file, \fBllvm\-size\fP reads a file from the standard
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input stream. If an input is an archive, size information will be displayed for
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all its members.
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.SH OPTIONS
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.INDENT 0.0
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.TP
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.B \-A
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Equivalent to \fI\%\-\-format\fP with a value of \fBsysv\fP\&.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-arch=<arch>
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Architecture(s) from Mach\-O universal binaries to display information for.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-B
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Equivalent to \fI\%\-\-format\fP with a value of \fBberkeley\fP\&.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-common
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Include ELF common symbol sizes in bss size for \fBberkeley\fP output format, or
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as a separate section entry for \fBsysv\fP output. If not specified, these
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symbols are ignored.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-d
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Equivalent to \fI\%\-\-radix\fP with a value of \fB10\fP\&.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-l
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Display verbose address and offset information for segments and sections in
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Mach\-O files in \fBdarwin\fP format.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-format=<format>
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Set the output format to the \fB<format>\fP specified. Available \fB<format>\fP
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options are \fBberkeley\fP (the default), \fBsysv\fP and \fBdarwin\fP\&.
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.sp
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Berkeley output summarises text, data and bss sizes in each file, as shown
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below for a typical pair of ELF files:
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.INDENT 7.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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$ llvm\-size \-\-format=berkeley test.o test2.o
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text data bss dec hex filename
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182 16 5 203 cb test.elf
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82 8 1 91 5b test2.o
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.sp
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For Mach\-O files, the output format is slightly different:
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.INDENT 7.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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$ llvm\-size \-\-format=berkeley macho.obj macho2.obj
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__TEXT __DATA __OBJC others dec hex
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4 8 0 0 12 c macho.obj
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16 32 0 0 48 30 macho2.obj
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.sp
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Sysv output displays size and address information for most sections, with each
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file being listed separately:
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.INDENT 7.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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$ llvm\-size \-\-format=sysv test.elf test2.o
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test.elf :
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section size addr
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.eh_frame 92 2097496
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.text 90 2101248
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.data 16 2105344
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.bss 5 2105360
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.comment 209 0
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Total 412
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test2.o :
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section size addr
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.text 26 0
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.data 8 0
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.bss 1 0
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.comment 106 0
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.note.GNU\-stack 0 0
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.eh_frame 56 0
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.llvm_addrsig 2 0
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Total 199
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.sp
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\fBdarwin\fP format only affects Mach\-O input files. If an input of a different
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file format is specified, \fBllvm\-size\fP falls back to \fBberkeley\fP
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format. When producing \fBdarwin\fP format, the tool displays information about
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segments and sections:
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.INDENT 7.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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$ llvm\-size \-\-format=darwin macho.obj macho2.obj
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macho.obj:
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Segment : 12
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Section (__TEXT, __text): 4
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Section (__DATA, __data): 8
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total 12
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total 12
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macho2.obj:
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Segment : 48
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Section (__TEXT, __text): 16
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Section (__DATA, __data): 32
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total 48
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total 48
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-help, \-h
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Display a summary of command line options.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-m
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Equivalent to \fI\%\-\-format\fP with a value of \fBdarwin\fP\&.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-o
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Equivalent to \fI\%\-\-radix\fP with a value of \fB8\fP\&.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-radix=<value>
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Display size information in the specified radix. Permitted values are \fB8\fP,
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\fB10\fP (the default) and \fB16\fP for octal, decimal and hexadecimal output
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respectively.
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.sp
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Example:
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.INDENT 7.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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$ llvm\-size \-\-radix=8 test.o
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text data bss oct hex filename
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0152 04 04 162 72 test.o
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$ llvm\-size \-\-radix=10 test.o
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text data bss dec hex filename
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106 4 4 114 72 test.o
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$ llvm\-size \-\-radix=16 test.o
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text data bss dec hex filename
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0x6a 0x4 0x4 114 72 test.o
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-totals, \-t
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Applies only to \fBberkeley\fP output format. Display the totals for all listed
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fields, in addition to the individual file listings.
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.sp
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Example:
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.INDENT 7.0
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.INDENT 3.5
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.sp
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.nf
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.ft C
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$ llvm\-size \-\-totals test.elf test2.o
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text data bss dec hex filename
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182 16 5 203 cb test.elf
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82 8 1 91 5b test2.o
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264 24 6 294 126 (TOTALS)
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.ft P
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.fi
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.UNINDENT
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.UNINDENT
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-\-version
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Display the version of the \fBllvm\-size\fP executable.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B \-x
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Equivalent to \fI\%\-\-radix\fP with a value of \fB16\fP\&.
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.UNINDENT
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.INDENT 0.0
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.TP
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.B @<FILE>
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Read command\-line options from response file \fB<FILE>\fP\&.
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.UNINDENT
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.SH EXIT STATUS
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.sp
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\fBllvm\-size\fP exits with a non\-zero exit code if there is an error.
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Otherwise, it exits with code 0.
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.SH BUGS
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.sp
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To report bugs, please visit <\fI\%https://github.com/llvm/llvm\-project/labels/tools:llvm\-size/\fP>.
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.SH AUTHOR
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Maintained by the LLVM Team (https://llvm.org/).
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.SH COPYRIGHT
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2003-2023, LLVM Project
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.\" Generated by docutils manpage writer.
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