linux-user: fix TARGET_NR_select
commit5457dc9e37fe0a29989bd64306c63941074864ce
authorLaurent Vivier <laurent@vivier.eu>
Thu, 7 Jul 2016 23:17:27 +0000 (8 01:17 +0200)
committerRiku Voipio <riku.voipio@linaro.org>
Thu, 22 Sep 2016 04:24:21 +0000 (22 07:24 +0300)
tree500f40acbc2b3e2e4401a037447d93904856c522
parent45eafb4d32ced9ff1dcb3800c89f8beaf47b61cc
linux-user: fix TARGET_NR_select

TARGET_NR_select can have three different implementations:

  1- to always return -ENOSYS

     microblaze, ppc, ppc64

     -> TARGET_WANT_NI_OLD_SELECT

  2- to take parameters from a structure pointed by arg1
    (kernel sys_old_select)

     i386, arm, m68k

     -> TARGET_WANT_OLD_SYS_SELECT

  3- to take parameters from arg[1-5]
     (kernel sys_select)

     x86_64, alpha, s390x,
     cris, sparc, sparc64

Some (new) architectures don't define NR_select,

  4- but only NR__newselect with sys_select:

      mips, mips64, sh

  5- don't define NR__newselect, and use pselect6 syscall:

      aarch64, openrisc, tilegx, unicore32

Reported-by: Timothy Pearson <tpearson@raptorengineering.com>
Reported-by: Allan Wirth <awirth@akamai.com>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
linux-user/arm/target_syscall.h
linux-user/i386/target_syscall.h
linux-user/m68k/target_syscall.h
linux-user/microblaze/target_syscall.h
linux-user/openrisc/syscall_nr.h
linux-user/ppc/target_syscall.h
linux-user/sh4/syscall_nr.h
linux-user/syscall.c
linux-user/tilegx/syscall_nr.h