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1 llvm-lipo - LLVM tool for manipulating universal binaries
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2 =========================================================
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3
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4 .. program:: llvm-lipo
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5
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6 SYNOPSIS
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7 --------
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8
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9 :program:`llvm-lipo` [*filenames...*] [*options*]
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10
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11 DESCRIPTION
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12 -----------
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13 :program:`llvm-lipo` can create universal binaries from Mach-O files, extract regular object files from universal binaries, and display architecture information about both universal and regular files.
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14
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15 COMMANDS
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16 --------
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17 :program:`llvm-lipo` supports the following mutually exclusive commands:
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18
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19 .. option:: -help, -h
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20
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21 Display usage information and exit.
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22
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23 .. option:: -version
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24
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25 Display the version of this program.
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26
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27 .. option:: -verify_arch <architecture 1> [<architecture 2> ...]
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28
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29 Take a single input file and verify the specified architectures are present in the file.
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30 If so then exit with a status of 0 else exit with a status of 1.
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31
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32 .. option:: -archs
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33
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34 Take a single input file and display the architectures present in the file.
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35 Each architecture is separated by a single whitespace.
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36 Unknown architectures are displayed as unknown(CPUtype,CPUsubtype).
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37
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38 .. option:: -info
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39
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40 Take at least one input file and display the descriptions of each file.
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41 The descriptions include the filename and architecture types separated by whitespace.
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42 Universal binaries are grouped together first, followed by thin files.
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43 Architectures in the fat file: <filename> are: <architectures>
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44 Non-fat file: <filename> is architecture: <architecture>
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45
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46 .. option:: -thin
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47
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48 Take a single universal binary input file and the thin flag followed by an architecture type.
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49 Require the output flag to be specified, and output a thin binary of the specified architecture.
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50
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51 .. option:: -create
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52
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53 Take at least one input file and require the output flag to be specified.
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54 Output a universal binary combining the input files.
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55
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56 .. option:: -replace
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57
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58 Take a single universal binary input file and require the output flag to be specified.
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59 The replace flag is followed by an architecture type, and a thin input file.
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60 Output a universal binary with the specified architecture slice in the
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61 universal binary input replaced with the contents of the thin input file.
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62
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63 .. option:: -segalign
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64
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65 Additional flag that can be specified with create and replace.
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66 The segalign flag is followed by an architecture type, and an alignment.
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67 The alignment is a hexadecimal number that is a power of 2.
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68 Output a file in which the slice with the specified architecture has the specified alignment.
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69
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70 BUGS
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71 ----
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72
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73 To report bugs, please visit <http://llvm.org/bugs/>.
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