Subject: Re: DDD and Linux emulation.
To: Jesus M. Gonzalez <email@example.com>
From: Frank van der Linden <firstname.lastname@example.org>
Date: 04/11/1996 20:10:46
Quoting Jesus M. Gonzalez,
> I'm trying tu run a Linux version of DDD (the graphical
> user interface to gdb) on NetBSD-1.1/i386 without success.
> It seems that a syscall is not implemented by the Linux emulation...
> Can anyone confirm this impression? Anyone know if that's
> fixed in -current?
> 460 ddd-1.4b-i486-un RET read 107/0x6b
> 460 ddd-1.4b-i486-un CALL lseek(0x4,0xffffffd3,0x1)
> 460 ddd-1.4b-i486-un RET lseek 62/0x3e
> 460 ddd-1.4b-i486-un CALL close(0x4)
> 460 ddd-1.4b-i486-un RET close 0
> 460 ddd-1.4b-i486-un CALL 
> 460 ddd-1.4b-i486-un PSIG SIGSYS SIG_DFL
146 is the writev() call, which wasn't a system call in Linux before.
However, it was implemented as a system call around 1.3.20 I believe.
NetBSD/1.1 does not emulate it; -current does. If you want, I can
give you a diff to the 1.1 source tree that would fix this.