Re: toolchain/51238: ELF binaries don't carry ELFOSABI_NETBSD in their header

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR toolchain/51238; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: toolchain/51238: ELF binaries don't carry ELFOSABI_NETBSD in
 their header
Date: Tue, 14 Jun 2016 07:10:35 +0000

 On Mon, Jun 13, 2016 at 09:00:02PM +0000, Joerg Sonnenberger wrote:
  >  > According to http://netbsd.gw.com/cgi-bin/man-cgi?elf+5 the
  >  > ELFOSABI_NETBSD is defined but not used:
  >  
  >  This is intentional.
  >  
  >  > However, a lot of binary programs that inspect elf binaries use the
  >  > header instead of inspecting PT_NOTE. Unfortunately, those programs
  >  > will detect NetBSD binaries as UNIX binaries and depending on their
  >  > logic will use some default value like Linux as the OS the binary is
  >  > built for, such as Qt Creator.
  >  
  >  That's a bug in the programs. There is no advantage to tagging with
  >  ELFOSABI_NETBSD. AS such: "No bug here, works as intended"
 
 ...other than say tagging the binary with the correct OS.
 
 Last I checked we don't have the same syscall table as SVR4, except
 when compat_svr4 is in use, so we hardly have the same OS ABI.
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost