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sim: bfin: check for kill/pread 

If the host system (like Windows) doesn't support these functions,
then make sure we don't use them.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2011-03-17 19:03:30 +00:00
parent d4862372c6
commit 9e6584c9a0
5 changed files with 25 additions and 2 deletions
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8
sim/bfin/ChangeLog
View File

@ -1,3 +1,11 @@
2011-03-17 Mike Frysinger <vapier@gentoo.org>
* configure.ac (AC_CHECK_FUNCS): Check for kill and pread.
* configure: Regenerate.
* config.in: Regenerate.
* interp.c (bfin_syscall): Check for HAVE_{KILL,PREAD} before using
kill or pread.
2011-03-15 Mike Frysinger <vapier@gentoo.org>
* Makefile.in (dv-bfin_gpio.o): New target.

6
sim/bfin/config.in
View File

@ -55,6 +55,9 @@
/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H
/* Define to 1 if you have the `kill' function. */
#undef HAVE_KILL
/* Define to 1 if you have the `nsl' library (-lnsl). */
#undef HAVE_LIBNSL
@ -79,6 +82,9 @@
/* Define to 1 if you have the <net/if.h> header file. */
#undef HAVE_NET_IF_H
/* Define to 1 if you have the `pread' function. */
#undef HAVE_PREAD
/* Define to 1 if you have the `setgid' function. */
#undef HAVE_SETGID

2
sim/bfin/configure vendored
View File

@ -5151,7 +5151,7 @@ fi
fi
for ac_func in getuid getgid geteuid getegid setuid setgid mmap munmap
for ac_func in getuid getgid geteuid getegid setuid setgid mmap munmap kill pread
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"

2
sim/bfin/configure.ac
View File

@ -47,7 +47,7 @@ SIM_AC_OPTION_HARDWARE(yes,,\
eth_phy \
)
AC_CHECK_FUNCS([getuid getgid geteuid getegid setuid setgid mmap munmap])
AC_CHECK_FUNCS([getuid getgid geteuid getegid setuid setgid mmap munmap kill pread])
AC_CHECK_HEADERS([sys/ioctl.h sys/mman.h net/if.h linux/if_tun.h linux/mii.h])
BFIN_SIM_EXTRA_OBJS=

9
sim/bfin/interp.c
View File

@ -297,6 +297,7 @@ bfin_syscall (SIM_CPU *cpu)
sc.errcode = TARGET_ENOSYS;
else
{
#ifdef HAVE_PREAD
char *data = xmalloc (sc.arg2);
/* XXX: Should add a cb->pread. */
@ -306,6 +307,9 @@ bfin_syscall (SIM_CPU *cpu)
sc.errcode = TARGET_EINVAL;
free (data);
#else
sc.errcode = TARGET_ENOSYS;
#endif
}
if (sc.errcode)
@ -495,8 +499,13 @@ bfin_syscall (SIM_CPU *cpu)
}
else
{
#ifdef HAVE_KILL
sc.result = kill (sc.arg1, sc.arg2);
goto sys_finish;
#else
sc.result = -1;
sc.errcode = TARGET_ENOSYS;
#endif
}
break;