From: Paul Pluzhnikov <ppluzhnikov@google.com>
To: Thiago Jung Bauermann <thiago.bauermann@gmail.com>
Cc: gdb@sourceware.org, Joel Brobecker <brobecker@adacore.com>
Subject: Re: [7.0] PR/9723: gdb breakpoints silently fail on PIE binaries
Date: Mon, 20 Jul 2009 04:13:00 -0000 [thread overview]
Message-ID: <8ac60eac0907192113s54f996a7m2fac203e07687272@mail.gmail.com> (raw)
In-Reply-To: <200907192257.08197.thiago.bauermann@gmail.com>
On Sun, Jul 19, 2009 at 6:57 PM, Thiago Jung
Bauermann<thiago.bauermann@gmail.com> wrote:
> All this to say: can somebody save me some research time and tell in high
> level how can I recognize from looking at an ELF file that I'm dealing with a
> PIE binary (NOT a PIC library, of course)? Something like "see if the frob bit
> in the bozo section is set") is enough, I can go from there.
Elf*_Ehdr.e_type == ET_DYN for the main executable?
Elf*_Phdr.p_vaddr == 0 for the first PT_LOAD segment?
[This one is only true for non-prelinked -pie executable.]
Cheers,
--
Paul Pluzhnikov
next prev parent reply other threads:[~2009-07-20 4:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-20 1:55 Thiago Jung Bauermann
2009-07-20 4:13 ` Paul Pluzhnikov [this message]
2009-07-25 2:11 ` Thiago Jung Bauermann
2009-07-25 2:26 ` Daniel Jacobowitz
2009-07-25 9:56 ` Mark Kettenis
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