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authorAlistair Francis <alistair.francis@wdc.com>2019-06-25 16:32:38 -0700
committerAlistair Francis <alistair.francis@wdc.com>2020-08-27 08:17:42 -0700
commit7ed05adc829c1b3690080c693888287255b7322b (patch)
treeadfd2cf53e68c887a1b85e6908fa9a5ed530e579 /sysdeps/unix
parent4875afe5526efe86478abe33e8b1320969d766d5 (diff)
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RISC-V: Use 64-bit-time syscall numbers with the 32-bit port
sysdep.h redefines only the syscall where the generic implementation
still does not have actual 64-bit time_t support:

   /* Workarounds for generic code needing to handle 64-bit time_t.  */

   /* Fix sysdeps/unix/sysv/linux/clock_getcpuclockid.c.  */
   #define __NR_clock_getres    __NR_clock_getres_time64
   /* Fix sysdeps/nptl/lowlevellock-futex.h.  */
   #define __NR_futex           __NR_futex_time64
   [...]

This patch also adds a comment that it is a workaround to handle 64-bit
time_t and on each #define comment for which implementation it intends
to.

Reviewed-by: Maciej W. Rozycki <macro@wdc.com>
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/riscv/sysdep.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/riscv/sysdep.h b/sysdeps/unix/sysv/linux/riscv/sysdep.h
index fbb3a02bbd..430fa23a58 100644
--- a/sysdeps/unix/sysv/linux/riscv/sysdep.h
+++ b/sysdeps/unix/sysv/linux/riscv/sysdep.h
@@ -25,6 +25,29 @@
 #undef SYS_ify
 #define SYS_ify(syscall_name)	__NR_##syscall_name
 
+#if __WORDSIZE == 32
+
+/* Workarounds for generic code needing to handle 64-bit time_t.  */
+
+/* Fix sysdeps/unix/sysv/linux/clock_getcpuclockid.c.  */
+#define __NR_clock_getres	__NR_clock_getres_time64
+/* Fix sysdeps/nptl/lowlevellock-futex.h.  */
+#define __NR_futex		__NR_futex_time64
+/* Fix sysdeps/unix/sysv/linux/pause.c.  */
+#define __NR_ppoll		__NR_ppoll_time64
+/* Fix sysdeps/unix/sysv/linux/select.c.  */
+#define __NR_pselect6		__NR_pselect6_time64
+/* Fix sysdeps/unix/sysv/linux/recvmmsg.c.  */
+#define __NR_recvmmsg		__NR_recvmmsg_time64
+/* Fix sysdeps/unix/sysv/linux/sigtimedwait.c.  */
+#define __NR_rt_sigtimedwait	__NR_rt_sigtimedwait_time64
+/* Fix sysdeps/unix/sysv/linux/semtimedop.c.  */
+#define __NR_semtimedop		__NR_semtimedop_time64
+/* Hack sysdeps/unix/sysv/linux/generic/utimes.c.  */
+#define __NR_utimensat		__NR_utimensat_time64
+
+#endif /* __WORDSIZE == 32 */
+
 #ifdef __ASSEMBLER__
 
 # include <sys/asm.h>