RFR(M): 8020775: PPC64 (part 12): posix signal printing

[Christian Thalinger]

On Aug 14, 2013, at 1:08 AM, "Lindenmaier, Goetz" <goetz.lindenmaier at sap.com> wrote:

> Hi,
> 
> Sorry for the long delay, I had off some time.
> 
> For an examle output I forced a SIGSEGV in chaitin.

Looks good.  Thanks.  -- Chris

> 
> In hs_err you get for STEP 90:
> 
> new:   siginfo: si_signo: 11 (SIGSEGV), si_code: 1 (SEGV_MAPERR), si_addr: 0x0000000000000018
> old:     siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR), si_addr=0x0000000000000018
> 
> si_errno is skipped in the new output, as it's 0.  
> 
> STEP 255:
> 
> new:
> Signal Handlers:
> SIGSEGV: [libjvm.so+0xc03f0d], sa_mask[0]=1, sa_flags=SA_RESTART|SA_SIGINFO
> SIGBUS: [libjvm.so+0xc03f0d], sa_mask[0]=1, sa_flags=SA_RESTART|SA_SIGINFO
> SIGFPE: [libjvm.so+0xa54a30], sa_mask[0]=1, sa_flags=SA_RESTART|SA_SIGINFO
> SIGPIPE: [libjvm.so+0xa54a30], sa_mask[0]=1, sa_flags=SA_RESTART|SA_SIGINFO
> SIGXFSZ: [libjvm.so+0xa54a30], sa_mask[0]=1, sa_flags=SA_RESTART|SA_SIGINFO
> SIGILL: [libjvm.so+0xa54a30], sa_mask[0]=1, sa_flags=SA_RESTART|SA_SIGINFO
> SIGUSR1: SIG_DFL, sa_mask[0]=0, sa_flags=none
> SIGUSR2: [libjvm.so+0xa57167], sa_mask[0]=0, sa_flags=SA_RESTART|SA_SIGINFO
> SIGHUP: [libjvm.so+0xa593d5], sa_mask[0]=1, sa_flags=SA_RESTART|SA_SIGINFO
> SIGINT: [libjvm.so+0xa593d5], sa_mask[0]=1, sa_flags=SA_RESTART|SA_SIGINFO
> SIGTERM: [libjvm.so+0xa593d5], sa_mask[0]=1, sa_flags=SA_RESTART|SA_SIGINFO
> SIGQUIT: [libjvm.so+0xa593d5], sa_mask[0]=1, sa_flags=SA_RESTART|SA_SIGINFO
> 
> old:
> Signal Handlers:
> SIGSEGV: [libjvm.so+0xc0450d], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
> SIGBUS: [libjvm.so+0xc0450d], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
> SIGFPE: [libjvm.so+0xa54cf0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
> SIGPIPE: [libjvm.so+0xa54cf0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
> SIGXFSZ: [libjvm.so+0xa54cf0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
> SIGILL: [libjvm.so+0xa54cf0], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
> SIGUSR1: SIG_DFL, sa_mask[0]=0x00000000, sa_flags=0x00000000
> SIGUSR2: [libjvm.so+0xa57427], sa_mask[0]=0x00000000, sa_flags=0x10000004
> SIGHUP: [libjvm.so+0xa599d7], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
> SIGINT: [libjvm.so+0xa599d7], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
> SIGTERM: [libjvm.so+0xa599d7], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
> SIGQUIT: [libjvm.so+0xa599d7], sa_mask[0]=0x7ffbfeff, sa_flags=0x10000004
> 
> I'll include a link to an old and new hs_err file in the next webrev I'll make.
> 
> Best regards,
>  Goetz.
> 
> -----Original Message-----
> From: Christian Thalinger [mailto:christian.thalinger at oracle.com] 
> Sent: Freitag, 26. Juli 2013 18:21
> To: Lindenmaier, Goetz
> Cc: 'hotspot-dev at openjdk.java.net'; 'ppc-aix-port-dev at openjdk.java.net'; 'Vladimir Kozlov'
> Subject: Re: RFR(M): 8020775: PPC64 (part 12): posix signal printing
> 
> Could you paste an example output?
> 
> -- Chris
> 
> On Jul 25, 2013, at 4:11 PM, "Lindenmaier, Goetz" <goetz.lindenmaier at sap.com> wrote:
> 
>> Hi,
>> 
>> we'd like to contribute our posix signal printing.
>> We implemented some routines to print signal and sa_flags information
>> in the os/posix files, and call them from
>> os::print_siginfo and print_signal_handler() in the various unix
>> variant directories.
>> The output is a bit more verbose than the existing version.
>> 
>> We contribute this here, as our aix code uses this too.
>> 
>> Please review this and test it if you think we should add this.
>> We'd appreciate it.
>> http://cr.openjdk.java.net/~goetz/webrevs/8020775-print_sig/
>> 
>> Thanks and best regards,
>> Goetz.
>