[Bug general/29571] New: Add 'Key to Flags' to eu-readelf output

[Bug general/29571] New: Add 'Key to Flags' to eu-readelf output

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=29571

            Bug ID: 29571
           Summary: Add 'Key to Flags' to eu-readelf output
           Product: elfutils
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: general
          Assignee: unassigned at sourceware dot org
          Reporter: mliska at suse dot cz
                CC: elfutils-devel at sourceware dot org, mjw at fedoraproject dot org
  Target Milestone: ---

Please list flags meaning when running eu-readelf:

$ eu-readelf -SW a.o
There are 23 section headers, starting at offset 0xbc0:

Section Headers:
[Nr] Name                 Type         Addr             Off      Size     ES
Flags Lk Inf Al
[ 0]                      NULL         0000000000000000 00000000 00000000  0   
    0   0  0
[ 1] .text                PROGBITS     0000000000000000 00000040 000000a1  0 AX
    0   0  1
[ 2] .rela.text           RELA         0000000000000000 000007d0 00000060 24 I 
   20   1  8
[ 3] .data                PROGBITS     0000000000000000 000000e1 00000000  0 WA
    0   0  1
[ 4] .bss                 NOBITS       0000000000000000 00000100 00000200  0 WA
    0   0 32
[ 5] .rodata              PROGBITS     0000000000000000 00000100 0000000e  0 A 
    0   0  1
[ 6] .debug_info          PROGBITS     0000000000000000 0000010e 0000014d  0   
    0   0  1
[ 7] .rela.debug_info     RELA         0000000000000000 00000830 000001b0 24 I 
   20   6  8
[ 8] .debug_abbrev        PROGBITS     0000000000000000 0000025b 000000e4  0   
    0   0  1
[ 9] .debug_aranges       PROGBITS     0000000000000000 0000033f 00000030  0   
    0   0  1
[10] .rela.debug_aranges  RELA         0000000000000000 000009e0 00000030 24 I 
   20   9  8
[11] .debug_line          PROGBITS     0000000000000000 0000036f 0000009e  0   
    0   0  1
[12] .rela.debug_line     RELA         0000000000000000 00000a10 00000090 24 I 
   20  11  8
[13] .debug_str           PROGBITS     0000000000000000 0000040d 000000c6  1 MS
    0   0  1
[14] .debug_line_str      PROGBITS     0000000000000000 000004d3 00000087  1 MS
    0   0  1
[15] .comment             PROGBITS     0000000000000000 0000055a 00000057  1 MS
    0   0  1
[16] .note.GNU-stack      PROGBITS     0000000000000000 000005b1 00000000  0   
    0   0  1
[17] .note.gnu.property   NOTE         0000000000000000 000005b8 00000030  0 A 
    0   0  8
[18] .eh_frame            PROGBITS     0000000000000000 000005e8 00000078  0 A 
    0   0  8
[19] .rela.eh_frame       RELA         0000000000000000 00000aa0 00000048 24 I 
   20  18  8
[20] .symtab              SYMTAB       0000000000000000 00000660 00000150 24   
   21   9  8
[21] .strtab              STRTAB       0000000000000000 000007b0 0000001c  0   
    0   0  1
[22] .shstrtab            STRTAB       0000000000000000 00000ae8 000000d3  0   
    0   0  1

$ readelf -SW a.o
There are 23 section headers, starting at offset 0xbc0:

Section Headers:
  [Nr] Name              Type            Address          Off    Size   ES Flg
Lk Inf Al
  [ 0]                   NULL            0000000000000000 000000 000000 00     
0   0  0
  [ 1] .text             PROGBITS        0000000000000000 000040 0000a1 00  AX 
0   0  1
  [ 2] .rela.text        RELA            0000000000000000 0007d0 000060 18   I
20   1  8
  [ 3] .data             PROGBITS        0000000000000000 0000e1 000000 00  WA 
0   0  1
  [ 4] .bss              NOBITS          0000000000000000 000100 000200 00  WA 
0   0 32
  [ 5] .rodata           PROGBITS        0000000000000000 000100 00000e 00   A 
0   0  1
  [ 6] .debug_info       PROGBITS        0000000000000000 00010e 00014d 00     
0   0  1
  [ 7] .rela.debug_info  RELA            0000000000000000 000830 0001b0 18   I
20   6  8
  [ 8] .debug_abbrev     PROGBITS        0000000000000000 00025b 0000e4 00     
0   0  1
  [ 9] .debug_aranges    PROGBITS        0000000000000000 00033f 000030 00     
0   0  1
  [10] .rela.debug_aranges RELA            0000000000000000 0009e0 000030 18  
I 20   9  8
  [11] .debug_line       PROGBITS        0000000000000000 00036f 00009e 00     
0   0  1
  [12] .rela.debug_line  RELA            0000000000000000 000a10 000090 18   I
20  11  8
  [13] .debug_str        PROGBITS        0000000000000000 00040d 0000c6 01  MS 
0   0  1
  [14] .debug_line_str   PROGBITS        0000000000000000 0004d3 000087 01  MS 
0   0  1
  [15] .comment          PROGBITS        0000000000000000 00055a 000057 01  MS 
0   0  1
  [16] .note.GNU-stack   PROGBITS        0000000000000000 0005b1 000000 00     
0   0  1
  [17] .note.gnu.property NOTE            0000000000000000 0005b8 000030 00   A
 0   0  8
  [18] .eh_frame         PROGBITS        0000000000000000 0005e8 000078 00   A 
0   0  8
  [19] .rela.eh_frame    RELA            0000000000000000 000aa0 000048 18   I
20  18  8
  [20] .symtab           SYMTAB          0000000000000000 000660 000150 18    
21   9  8
  [21] .strtab           STRTAB          0000000000000000 0007b0 00001c 00     
0   0  1
  [22] .shstrtab         STRTAB          0000000000000000 000ae8 0000d3 00     
0   0  1
Key to Flags:
  W (write), A (alloc), X (execute), M (merge), S (strings), I (info),
  L (link order), O (extra OS processing required), G (group), T (TLS),
  C (compressed), x (unknown), o (OS specific), E (exclude),
  D (mbind), l (large), p (processor specific)

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[Bug general/29571] Add 'Key to Flags' to eu-readelf output

[zhuorong.lin at outlook dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=29571

lin zhuorong <zhuorong.lin at outlook dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |zhuorong.lin at outlook dot com

--- Comment #1 from lin zhuorong <zhuorong.lin at outlook dot com> ---
Created attachment 14419
  --> https://sourceware.org/bugzilla/attachment.cgi?id=14419&action=edit
elfutils: List flags meaning when running eu-readelf

elfutils: List flags meaning when running eu-readelf

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[Bug general/29571] Add 'Key to Flags' to eu-readelf output

[mark at klomp dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29571

Mark Wielaard <mark at klomp dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mark at klomp dot org

--- Comment #2 from Mark Wielaard <mark at klomp dot org> ---
Comment on attachment 14419
  --> https://sourceware.org/bugzilla/attachment.cgi?id=14419
elfutils: List flags meaning when running eu-readelf

Thanks. But O is for "Ordered" (binutils doesn't seem to have that), N is for
"extra OS processing required" (what binutils uses O for), R is for GNU Retain.
We don't show 'D' for mbind (we probably should). Nor do we show 'l' for
SHF_X86_64_LARGE (we don't even recognize that).

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[Bug general/29571] Add 'Key to Flags' to eu-readelf output

[mliska at suse dot cz]

https://sourceware.org/bugzilla/show_bug.cgi?id=29571

--- Comment #3 from Martin Liska <mliska at suse dot cz> ---
@Mark: Can you please push the patch?

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[Bug general/29571] Add 'Key to Flags' to eu-readelf output

[mark at klomp dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29571

--- Comment #4 from Mark Wielaard <mark at klomp dot org> ---
(In reply to Martin Liska from comment #3)
> @Mark: Can you please push the patch?

No, please see comment #2 for various issues that need to be resolved first.

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