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From: Vineet Gupta <Vineet.Gupta1@synopsys.com>
To: libc-alpha@sourceware.org, arnd@arndb.de
Cc: alistair23@gmail.com, Vineet Gupta <Vineet.Gupta1@synopsys.com>,
	linux-snps-arc@lists.infradead.org, lukma@denx.de
Subject: [PATCH] Force 64-bit time based syscalls for TIMESIZE==64 on 32-bit arches
Date: Mon, 24 Feb 2020 10:34:13 -0800	[thread overview]
Message-ID: <20200224183413.13629-1-vgupta@synopsys.com> (raw)

This provides better out-of-box support for 32-bit arches with 64-bit
time_t

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
---
 sysdeps/unix/sysv/linux/generic/sysdep.h | 48 ++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/sysdeps/unix/sysv/linux/generic/sysdep.h b/sysdeps/unix/sysv/linux/generic/sysdep.h
index 23defce7c3e1..27b0079a2a71 100644
--- a/sysdeps/unix/sysv/linux/generic/sysdep.h
+++ b/sysdeps/unix/sysv/linux/generic/sysdep.h
@@ -17,6 +17,7 @@
    <https://www.gnu.org/licenses/>.  */
 
 #include <bits/wordsize.h>
+#include <bits/timesize.h>
 #include <kernel-features.h>
 #include <sysdeps/unix/sysdep.h>
 #include <sysdeps/unix/sysv/linux/sysdep.h>
@@ -33,3 +34,50 @@
 #define __NR_pread __NR_pread64
 #define __NR_pwrite __NR_pwrite64
 #endif
+
+/* Override syscalls for asm-generic ABIs with 64-bit time.  */
+#if __WORDSIZE == 32 && __TIMESIZE == 64
+
+# undef __NR_futex
+# define __NR_futex __NR_futex_time64
+
+# undef __NR_rt_sigtimedwait
+# define __NR_rt_sigtimedwait __NR_rt_sigtimedwait_time64
+
+# undef __NR_ppoll
+# define __NR_ppoll __NR_ppoll_time64
+
+# undef __NR_utimensat
+# define __NR_utimensat __NR_utimensat_time64
+
+# undef __NR_pselect6
+# define __NR_pselect6 __NR_pselect6_time64
+
+# undef __NR_recvmmsg
+# define __NR_recvmmsg __NR_recvmmsg_time64
+
+# undef __NR_semtimedop
+# define __NR_semtimedop __NR_semtimedop_time64
+
+# undef __NR_mq_timedreceive
+# define __NR_mq_timedreceive __NR_mq_timedreceive_time64
+
+# undef __NR_mq_timedsend
+# define __NR_mq_timedsend __NR_mq_timedsend_time64
+
+# undef __NR_clock_getres
+# define __NR_clock_getres __NR_clock_getres_time64
+
+# undef __NR_timerfd_settime
+# define __NR_timerfd_settime __NR_timerfd_settime64
+
+# undef __NR_timerfd_gettime
+# define __NR_timerfd_gettime __NR_timerfd_gettime64
+
+# undef __NR_sched_rr_get_interval
+# define __NR_sched_rr_get_interval __NR_sched_rr_get_interval_time64
+
+# undef __NR_clock_adjtime
+# define __NR_clock_adjtime __NR_clock_adjtime64
+
+#endif
-- 
2.20.1


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             reply	other threads:[~2020-02-24 18:34 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-24 18:34 Vineet Gupta [this message]
2020-02-25  0:59 ` [PATCH] Force 64-bit time based syscalls for TIMESIZE==64 on 32-bit arches Alistair Francis
2020-02-25  1:16   ` Vineet Gupta
2020-02-25  9:27 ` Florian Weimer
2020-03-11 18:44   ` Vineet Gupta
2020-03-12 18:33   ` [PATCH v2] Force 64-bit time based syscalls for TIMESIZE==64 Vineet Gupta
2020-03-31 21:47     ` [PATCH v3] Make any 32-bit time based syscalls unavailable " Vineet Gupta
2020-04-06 18:54       ` Vineet Gupta
2020-04-13 21:12         ` Vineet Gupta
2020-04-18  0:28           ` Vineet Gupta
2020-04-18 16:50             ` Florian Weimer
2020-04-22 23:01               ` Vineet Gupta

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