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From: Lukasz Majewski <lukma@denx.de>
To: Andreas Schwab <schwab@suse.de>
Cc: Florian Weimer <fweimer@redhat.com>,
	Palmer Dabbelt <palmerdabbelt@google.com>,
	GNU C Library <libc-alpha@sourceware.org>,
	Arnd Bergmann <arnd@arndb.de>,
	Vineet Gupta <Vineet.Gupta1@synopsys.com>,
	Helmut Grohne <helmutg@debian.org>, Zong Li <zongbox@gmail.com>,
	debian-arm@lists.debian.org,
	Alistair Francis <alistair.francis@wdc.com>,
	Adhemerval Zanella <adhemerval.zanella@linaro.org>,
	"Maciej W. Rozycki" <macro@wdc.com>,
	Alistair Francis <alistair23@gmail.com>,
	arcml <linux-snps-arc@lists.infradead.org>,
	Joseph Myers <joseph@codesourcery.com>
Subject: Re: switching ARC to 64-bit time_t (Re: [RFC v6 07/23] RISC-V: Use 64-bit time_t and off_t for RV32 and RV64)
Date: Mon, 24 Feb 2020 11:14:24 +0100	[thread overview]
Message-ID: <20200224111424.33759b2e@jawa> (raw)
In-Reply-To: <mvmpne4xqpb.fsf@suse.de>


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Hi Andreas,

> On Feb 24 2020, Lukasz Majewski wrote:
> 
> >> elf/check-localplt complains about the newly added symbols
> >> 
> >> Extra PLT reference: libc.so: __lutimes64
> >> Extra PLT reference: libc.so: __wait4_time64
> >> Extra PLT reference: libc.so: __setitimer64
> >> Extra PLT reference: libc.so: __utime64
> >> Extra PLT reference: libc.so: __timerfd_gettime64
> >> Extra PLT reference: libc.so: __clock_settime64
> >> Extra PLT reference: libc.so: __utimes64
> >> Extra PLT reference: libc.so: __gettimeofday64
> >> Extra PLT reference: libc.so: __clock_gettime64
> >> Extra PLT reference: libc.so: __futimesat64
> >> Extra PLT reference: libc.so: __clock_getres64
> >> Extra PLT reference: libc.so: __futimes64
> >> Extra PLT reference: libc.so: __futimens64
> >> Extra PLT reference: libc.so: __utimensat64
> >> Extra PLT reference: libc.so: __getrusage64
> >> Extra PLT reference: libc.so: __timespec_get64
> >> Extra PLT reference: libc.so: __getitimer64
> >> Extra PLT reference: libc.so: __ppoll64
> >> Extra PLT reference: libc.so: __timerfd_settime64
> >> Extra PLT reference: libc.so: __clock_nanosleep_time64
> >> Extra PLT reference: libc.so: __sched_rr_get_interval64
> >> Extra PLT reference: libc.so: __settimeofday64
> >> Extra PLT reference: librt.so: __timer_gettime64
> >> Extra PLT reference: librt.so: __mq_timedreceive_time64
> >> Extra PLT reference: librt.so: __mq_timedsend_time64
> >> Extra PLT reference: librt.so: __timer_settime64
> >>   
> >
> > The above problems are somewhat expected. Those are redirected
> > symbols, which are exported as GLIBC_PRIVATE in several Versions
> > files.
> >
> > I do guess that we will have a consensus if we add those as a
> > "normal" exported symbols or keep them "private".  
> 
> They need to grow hidden aliases.

Could you explain it a bit more?



If I add those functions as hidden_alias then those would be accessible
inside glibc without PLT, but will not be exported (and redirection for
Y2038 will not work).



> 
> Andreas.
> 




Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
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  reply	other threads:[~2020-02-24 10:14 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1578824547.git.alistair.francis@wdc.com>
     [not found] ` <4e95f95966d8d7c6a8339160dc62d81c1f6a1bfb.1578824547.git.alistair.francis@wdc.com>
2020-02-12  0:14   ` [RFC v6 07/23] RISC-V: Use 64-bit time_t and off_t for RV32 and RV64 Vineet Gupta
2020-02-12  0:14     ` Alistair Francis
2020-02-12  1:30       ` Joseph Myers
2020-02-14 22:39         ` Alistair Francis
2020-02-18 23:05           ` switching ARC to 64-bit time_t (Re: [RFC v6 07/23] RISC-V: Use 64-bit time_t and off_t for RV32 and RV64) Vineet Gupta
2020-02-18 23:13             ` Joseph Myers
2020-02-19 23:09               ` Lukasz Majewski
2020-02-19 23:11             ` Lukasz Majewski
2020-02-20  8:31               ` Arnd Bergmann
2020-02-20  9:37                 ` Lukasz Majewski
2020-02-20 12:37                   ` Arnd Bergmann
2020-02-20 13:14                     ` Lukasz Majewski
2020-02-20 14:44                       ` Arnd Bergmann
2020-02-20 15:42                         ` Lukasz Majewski
2020-02-20 16:08                           ` Arnd Bergmann
2020-02-20 16:31                             ` Lukasz Majewski
2020-02-24  2:48                         ` Viresh Kumar
2020-02-21 19:56                     ` Alistair Francis
2020-02-22  8:42                   ` Arnd Bergmann
2020-02-24  9:00                     ` Lukasz Majewski
2020-02-24  9:46                       ` Andreas Schwab
2020-02-24 10:14                         ` Lukasz Majewski [this message]
2020-02-24 10:23                           ` Andreas Schwab
2020-02-24 10:36                             ` Lukasz Majewski
2020-02-24 10:42                               ` Andreas Schwab
2020-02-24 11:13                                 ` Lukasz Majewski
2020-02-24 12:41                                   ` Lukasz Majewski
2020-02-25  0:03                               ` Joseph Myers
2020-02-25 11:39                                 ` Lukasz Majewski
2020-02-25 14:36                                   ` Joseph Myers
2020-02-26 13:18                                     ` Lukasz Majewski
2020-02-26 14:48                                       ` Joseph Myers
2020-02-26 16:28                                         ` Lukasz Majewski
2020-02-25  9:03                       ` Arnd Bergmann
2020-02-20 16:27                 ` Helmut Grohne
2020-03-26  0:25                   ` ARC rebootstrap prereq (was Re: switching ARC to 64-bit time_t ) Vineet Gupta
2020-03-26  5:54                     ` Helmut Grohne
2020-03-26 11:51                       ` Alexey Brodkin
2020-03-26 12:24                         ` Helmut Grohne
2020-03-26 12:53                           ` Alexey Brodkin
2020-03-26 14:28                             ` Helmut Grohne
2020-03-26 19:04                               ` Lennart Sorensen
2020-08-26 14:39                       ` Vineet Gupta
2020-08-26 15:43                         ` Helmut Grohne
2020-08-26 21:16                           ` Aurelien Jarno
2021-02-24 20:17                             ` Vineet Gupta
2021-02-26  9:47                               ` Helmut Grohne
2021-02-26 15:58                                 ` Vineet Gupta
2021-08-21 17:36                             ` Aurelien Jarno
2020-02-12  1:42       ` [RFC v6 07/23] RISC-V: Use 64-bit time_t and off_t for RV32 and RV64 Vineet Gupta
2020-02-12 12:58         ` Arnd Bergmann
2020-02-19  0:56   ` Vineet Gupta
2020-02-19  1:03     ` Alistair Francis
2020-02-19  1:31       ` Vineet Gupta
2020-02-19  8:30         ` Andreas Schwab
2020-02-19 18:42           ` Vineet Gupta
2020-02-19 23:18             ` Lukasz Majewski
2020-02-20  0:26               ` Vineet Gupta
2020-02-20  0:46                 ` Joseph Myers
2020-02-20  8:24                   ` Arnd Bergmann
2020-02-20 10:28                     ` Lukasz Majewski
2020-02-20 14:14                     ` Joseph Myers

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