[Bug tools/22250] New: readelf should support --dwarf-start and --dwarf-depth

tromey at sourceware dot org sourceware-bugzilla@sourceware.org
Wed Oct 4 16:14:00 GMT 2017


            Bug ID: 22250
           Summary: readelf should support --dwarf-start and --dwarf-depth
           Product: elfutils
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: tools
          Assignee: unassigned at sourceware dot org
          Reporter: tromey at sourceware dot org
                CC: elfutils-devel at sourceware dot org
  Target Milestone: ---

objdump supports --dwarf-start and --dwarf-depth options.
--dwarf-start specifies the DIE at which to begin dumping.
--dwarf-depth specifies how many levels down to print; if
there are more levels it just prints "...", like:

 <0><2174>: Abbrev Number: 1 (DW_TAG_compile_unit)
    <2175>   DW_AT_producer    : (indirect string, offset: 0x0): clang LLVM
(rustc version 1.20.0 (f3d6973f4 2017-08-27))
    <2179>   DW_AT_language    : 28     (Unknown: 1c)
    <217b>   DW_AT_name        : (indirect string, offset: 0x1621):
    <217f>   DW_AT_stmt_list   : 0x9f2
    <2183>   DW_AT_comp_dir    : (indirect string, offset: 0x163d):
    <2187>   DW_AT_low_pc      : 0x0
    <218f>   DW_AT_ranges      : 0x2be80
 <1><2193>: ...

These are handy for investigating large files with dwarf-mode that
is in binutils.

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