[Bug binutils/27309] New: readelf --debug-dump=info --wide output changes in 2.36

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=27309

            Bug ID: 27309
           Summary: readelf --debug-dump=info --wide output changes in
                    2.36
           Product: binutils
           Version: 2.35.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: mliska at suse dot cz
                CC: nickc at sourceware dot org
  Target Milestone: ---

After https://sourceware.org/bugzilla/show_bug.cgi?id=26847 the following is
printed:

$ ./binutils/readelf --debug-dump=info --wide /tmp/sample_struct.o | head -n20
Contents of the .debug_info section:

  Compilation Unit @ offset 0x0:
   Length:        0x39c (32-bit)
   Version:       2
   Abbrev Offset: 0x0
   Pointer Size:  4
 <0><b>: Abbrev Number: 1 (DW_TAG_compile_unit)
    <c>   DW_AT_producer    : (strp) (offset: 0x14c): GNU C17 10.2.1 20201202
[revision e563687cf9d3d1278f45aaebd03e0f66531076c9] -m32 -mtune=generic
-march=x86-64 -gdwarf-2 -fPIE
    <10>   DW_AT_language    : (data1) 12       (ANSI C99)
    <11>   DW_AT_name        : (strp) (offset: 0x12d):
mpers-m32/sample_struct.c
    <15>   DW_AT_comp_dir    : (strp) (offset: 0x89):
/home/abuild/rpmbuild/BUILD/strace-5.10
    <19>   DW_AT_stmt_list   : (data4) 0x0
 <1><1d>: Abbrev Number: 2 (DW_TAG_base_type)
    <1e>   DW_AT_byte_size   : (data1) 1
    <1f>   DW_AT_encoding    : (data1) 8        (unsigned char)
    <20>   DW_AT_name        : (strp) (offset: 0x56): unsigned char
 <1><24>: Abbrev Number: 2 (DW_TAG_base_type)
    <25>   DW_AT_byte_size   : (data1) 2
    <26>   DW_AT_encoding    : (data1) 7        (unsigned)

before the revision it printed:

Contents of the .debug_info section:

  Compilation Unit @ offset 0x0:
   Length:        0x39c (32-bit)
   Version:       2
   Abbrev Offset: 0x0
   Pointer Size:  4
 <0><b>: Abbrev Number: 1 (DW_TAG_compile_unit)
    <c>   DW_AT_producer    : (indirect string, offset: 0x14c): GNU C17 10.2.1
20201202 [revision e563687cf9d3d1278f45aaebd03e0f66531076c9] -m32
-mtune=generic -march=x86-64 -gdwarf-2 -fPIE
    <10>   DW_AT_language    : 12       (ANSI C99)
    <11>   DW_AT_name        : (indirect string, offset: 0x12d):
mpers-m32/sample_struct.c
    <15>   DW_AT_comp_dir    : (indirect string, offset: 0x89):
/home/abuild/rpmbuild/BUILD/strace-5.10
    <19>   DW_AT_stmt_list   : 0x0
 <1><1d>: Abbrev Number: 2 (DW_TAG_base_type)
    <1e>   DW_AT_byte_size   : 1
    <1f>   DW_AT_encoding    : 8        (unsigned char)
    <20>   DW_AT_name        : (indirect string, offset: 0x56): unsigned char
 <1><24>: Abbrev Number: 2 (DW_TAG_base_type)
    <25>   DW_AT_byte_size   : 2
    <26>   DW_AT_encoding    : 7        (unsigned)

I don't see a point why e.g. "(indirect string, offset: 0x89)" should be
replaced with "(strp) (offset: 0x89)" in --wide mode.

Moreover, I broke a strace configure script.

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