Re: strace breaks with to be released glibc 2.31

[Dmitry V. Levin]

Hi,

On Wed, Jan 15, 2020 at 08:10:38PM +, Vineet Gupta wrote:
> Hi,
> 
> I've been testing an in-works glibc port for ARC and with 2.31 there's a glibc
> change which seems to break strace.
> 
> Commit d1e411e5c786ce3 "Add PTRACE_GET_SYSCALL_INFO from Linux 5.3 to 
> sys/ptrace.h."
> 
> This now defines PTRACE_GET_SYSCALL_INFO but defines struct 
> __ptrace_syscall_info
> (not the non underscored ver) causing strace to trip.

You must've got a relatively rare environment with glibc-2.31 and Linux
kernel headers < 5.3.  I'm testing a fix.  Thanks,


-- 
ldv

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strace breaks with to be released glibc 2.31

[Vineet Gupta]

Hi,

I've been testing an in-works glibc port for ARC and with 2.31 there's a glibc
change which seems to break strace.

Commit d1e411e5c786ce3 "Add PTRACE_GET_SYSCALL_INFO from Linux 5.3 to 
sys/ptrace.h."

This now defines PTRACE_GET_SYSCALL_INFO but defines struct 
__ptrace_syscall_info
(not the non underscored ver) causing strace to trip.

I'm not sure how to fix strace: do we need to switch over to glibc provided
__ptrace_syscall_info (with some #ifdef GLIBC and MINOR etc) or is there a 
better
way to do this ?

Thx,
-Vineet
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