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annotate docs/CommandGuide/llvm-symbolizer.rst @ 83:60c9769439b8

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LLVM 3.7
author Tatsuki IHA <e125716@ie.u-ryukyu.ac.jp>
date Wed, 18 Feb 2015 14:55:36 +0900
parents 54457678186b
children afa8332a0e37
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1 llvm-symbolizer - convert addresses into source code locations
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2 ==============================================================
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3
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4 SYNOPSIS
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5 --------
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6
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7 :program:`llvm-symbolizer` [options]
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8
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9 DESCRIPTION
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10 -----------
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11
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12 :program:`llvm-symbolizer` reads object file names and addresses from standard
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13 input and prints corresponding source code locations to standard output.
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14 If object file is specified in command line, :program:`llvm-symbolizer` reads
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15 only addresses from standard input. This
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16 program uses debug info sections and symbol table in the object files.
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17
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18 EXAMPLE
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19 --------
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21 .. code-block:: console
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22
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23 $ cat addr.txt
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24 a.out 0x4004f4
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25 /tmp/b.out 0x400528
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26 /tmp/c.so 0x710
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27 /tmp/mach_universal_binary:i386 0x1f84
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28 /tmp/mach_universal_binary:x86_64 0x100000f24
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29 $ llvm-symbolizer < addr.txt
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30 main
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31 /tmp/a.cc:4
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32
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33 f(int, int)
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34 /tmp/b.cc:11
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35
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36 h_inlined_into_g
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37 /tmp/header.h:2
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38 g_inlined_into_f
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39 /tmp/header.h:7
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40 f_inlined_into_main
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41 /tmp/source.cc:3
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42 main
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43 /tmp/source.cc:8
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45 _main
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46 /tmp/source_i386.cc:8
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48 _main
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49 /tmp/source_x86_64.cc:8
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50 $ cat addr2.txt
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51 0x4004f4
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52 0x401000
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53 $ llvm-symbolizer -obj=a.out < addr2.txt
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54 main
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55 /tmp/a.cc:4
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56
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57 foo(int)
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58 /tmp/a.cc:12
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59
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60 OPTIONS
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61 -------
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62
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63 .. option:: -obj
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65 Path to object file to be symbolized.
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66
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67 .. option:: -functions=[none|short|linkage]
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68
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69 Specify the way function names are printed (omit function name,
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70 print short function name, or print full linkage name, respectively).
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71 Defaults to ``linkage``.
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72
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73 .. option:: -use-symbol-table
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74
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75 Prefer function names stored in symbol table to function names
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76 in debug info sections. Defaults to true.
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77
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78 .. option:: -demangle
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79
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80 Print demangled function names. Defaults to true.
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81
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82 .. option:: -inlining
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83
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84 If a source code location is in an inlined function, prints all the
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85 inlnied frames. Defaults to true.
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86
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87 .. option:: -default-arch
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88
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89 If a binary contains object files for multiple architectures (e.g. it is a
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90 Mach-O universal binary), symbolize the object file for a given architecture.
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91 You can also specify architecture by writing ``binary_name:arch_name`` in the
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92 input (see example above). If architecture is not specified in either way,
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93 address will not be symbolized. Defaults to empty string.
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94
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95 .. option:: -dsym-hint=<path/to/file.dSYM>
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96
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97 (Darwin-only flag). If the debug info for a binary isn't present in the default
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98 location, look for the debug info at the .dSYM path provided via the
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99 ``-dsym-hint`` flag. This flag can be used multiple times.
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100
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101
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102 EXIT STATUS
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103 -----------
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104
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105 :program:`llvm-symbolizer` returns 0. Other exit codes imply internal program error.