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From: "slyich at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: elfutils-devel@sourceware.org
Subject: [Bug libdw/29450] run-low_high_pc.sh fails on i386 against binutils-2.39
Date: Sat, 06 Aug 2022 06:47:04 +0000	[thread overview]
Message-ID: <bug-29450-10460-0iQbp46DbZ@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-29450-10460@http.sourceware.org/bugzilla/>

https://sourceware.org/bugzilla/show_bug.cgi?id=29450

--- Comment #1 from Sergei Trofimovich <slyich at gmail dot com> ---
Created attachment 14257
  --> https://sourceware.org/bugzilla/attachment.cgi?id=14257&action=edit
low_high_pc

Attaching the binary itself. It was a failing selftest:

$ LD_LIBRARY_PATH=$PWD/libdw:$PWD/libelf tests/low_high_pc -e tests/low_high_pc
[b] ../sysdeps/i386/start.S
[26] _start
[40] ../sysdeps/x86/abi-note.c
[b52] init.c
[b8e] static-reloc.c
[2dba] _dl_relocate_static_pie
[2dd8] ../sysdeps/i386/crti.S
[2def] _init
lowpc: 8049000, highpc: 8049000
../sysdeps/i386/crti.S: [2def] '_init' highpc <= lowpc

gdb somehow knows the size of the _init:

$ gdb /tmp/low_high_pc
Reading symbols from /tmp/low_high_pc...
(gdb) disassemble _init
Dump of assembler code for function _init:
   0x08049000 <+0>:     endbr32
   0x08049004 <+4>:     push   %ebx
   0x08049005 <+5>:     sub    $0x8,%esp
   0x08049008 <+8>:     call   0x8049400 <__x86.get_pc_thunk.bx>
   0x0804900d <+13>:    add    $0x2f93,%ebx
   0x08049013 <+19>:    mov    0x5c(%ebx),%eax
   0x08049019 <+25>:    test   %eax,%eax
   0x0804901b <+27>:    je     0x804901f <_init+31>
   0x0804901d <+29>:    call   *%eax
   0x0804901f <+31>:    add    $0x8,%esp
   0x08049022 <+34>:    pop    %ebx
   0x08049023 <+35>:    ret
End of assembler dump.

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  reply	other threads:[~2022-08-06  6:47 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-06  6:34 [Bug libdw/29450] New: " slyich at gmail dot com
2022-08-06  6:47 ` slyich at gmail dot com [this message]
2022-08-06  6:58 ` [Bug libdw/29450] " slyich at gmail dot com
2022-08-06  8:06 ` slyich at gmail dot com
2022-08-06  8:10 ` slyich at gmail dot com
2022-08-06  8:10 ` slyich at gmail dot com
2022-08-07 23:30 ` mark at klomp dot org
2022-08-10 11:13 ` mark at klomp dot org
2022-08-10 11:15 ` mliska at suse dot cz
2022-08-11  9:17 ` slyich at gmail dot com

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