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mcctrl: add MCEXEC_UP_SYS_MOUNT, MCEXEC_UP_SYS_UNSHARE

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This commit is contained in:
Yoichi Umezawa
2016-02-08 16:00:52 +09:00
parent 0ce698eb1f
commit f214ff1b57
6 changed files with 460 additions and 40 deletions
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65
configure.ac
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@ -27,6 +27,11 @@ AC_ARG_WITH([target],
[--with-target={attached-mic | builtin-mic | builtin-x86 | smp-x86}],[target, default is attached-mic]),
[WITH_TARGET=$withval],[WITH_TARGET=yes])
AC_ARG_WITH([system_map],
AS_HELP_STRING(
[--with-system_map=path],[Path to 'System.map file', default is /boot/System.map-uname_r]),
[WITH_SYSTEM_MAP=$withval],[WITH_SYSTEM_MAP=yes])
AC_ARG_ENABLE([dcfa],
[AS_HELP_STRING(
[--enable-dcfa],[Enable DCFA modules])],[],[enable_dcfa=no])
@ -139,6 +144,65 @@ esac
KDIR="$WITH_KERNELSRC"
TARGET="$WITH_TARGET"
MCCTRL_LINUX_SYMTAB=""
case "X$WITH_SYSTEM_MAP" in
Xyes | Xno | X)
MCCTRL_LINUX_SYMTAB=""
;;
*)
MCCTRL_LINUX_SYMTAB="$WITH_SYSTEM_MAP"
;;
esac
AC_MSG_CHECKING([[for System.map]])
if test -f "$MCCTRL_LINUX_SYMTAB"; then
MCCTRL_LINUX_SYMTAB="$MCCTRL_LINUX_SYMTAB"
elif test -f "/boot/System.map-`uname -r`"; then
MCCTRL_LINUX_SYMTAB="/boot/System.map-`uname -r`"
elif test -f "$KDIR/System.map"; then
MCCTRL_LINUX_SYMTAB="$KDIR/System.map"
fi
if test "$MCCTRL_LINUX_SYMTAB" == ""; then
AC_MSG_ERROR([could not find])
fi
if test -z "`eval cat $MCCTRL_LINUX_SYMTAB`"; then
AC_MSG_ERROR([could not read System.map file, no read permission?])
fi
AC_MSG_RESULT([$MCCTRL_LINUX_SYMTAB])
MCCTRL_LINUX_SYMTAB_CMD="cat $MCCTRL_LINUX_SYMTAB"
# MCCTRL_FIND_KSYM(SYMBOL)
# ------------------------------------------------------
# Search System.map for address of the given symbol and
# do one of three things in config.h:
# If not found, leave MCCTRL_KSYM_foo undefined
# If found to be exported, "#define MCCTRL_KSYM_foo 0"
# If found not to be exported, "#define MCCTRL_KSYM_foo 0x<value>"
AC_DEFUN([MCCTRL_FIND_KSYM],[
AC_MSG_CHECKING([[System.map for symbol $1]])
mcctrl_addr=`eval $MCCTRL_LINUX_SYMTAB_CMD | grep " $1\$" | cut -d\ -f1`
if test -z $mcctrl_addr; then
AC_MSG_RESULT([not found])
else
mcctrl_result=$mcctrl_addr
mcctrl_addr="0x$mcctrl_addr"
m4_ifval([$2],[],[
if `eval $MCCTRL_LINUX_SYMTAB_CMD | grep " __ksymtab_$1\$" >/dev/null`; then
mcctrl_result="exported"
mcctrl_addr="0"
fi
])
AC_MSG_RESULT([$mcctrl_result])
AC_DEFINE_UNQUOTED(MCCTRL_KSYM_[]$1,$mcctrl_addr,[Define to address of kernel symbol $1, or 0 if exported])
fi
])
MCCTRL_FIND_KSYM([sys_mount])
MCCTRL_FIND_KSYM([sys_unshare])
AC_SUBST(CC)
AC_SUBST(XCC)
AC_SUBST(ARCH)
@ -157,6 +221,7 @@ AC_SUBST(IHK_RELEASE_DATE)
AC_SUBST(MCKERNEL_RELEASE_DATE)
AC_SUBST(DCFA_RESEASE_DATE)
AC_CONFIG_HEADERS([executer/kernel/mcctrl/config.h])
AC_CONFIG_FILES([
Makefile
executer/user/Makefile