286 lines
9 KiB
Text
286 lines
9 KiB
Text
# This file contains common code used by all simulators.
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#
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# SIM_AC_COMMON invokes AC macros used by all simulators and by the common
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# directory. It is intended to be invoked before any target specific stuff.
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# SIM_AC_OUTPUT is a cover function to AC_OUTPUT to generate the Makefile.
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# It is intended to be invoked last.
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#
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# The simulator's configure.in should look like:
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#
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# dnl Process this file with autoconf to produce a configure script.
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# sinclude(../common/aclocal.m4)
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# AC_PREREQ(2.5)dnl
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# AC_INIT(Makefile.in)
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#
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# SIM_AC_COMMON
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#
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# ... target specific stuff ...
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#
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# SIM_AC_OUTPUT
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AC_DEFUN(SIM_AC_COMMON,
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[
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# autoconf.info says this should be called right after AC_INIT.
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AC_CONFIG_HEADER(config.h:config.in)
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AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/../..)
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AC_CANONICAL_SYSTEM
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AC_ARG_PROGRAM
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AC_PROG_CC
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AC_PROG_INSTALL
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# Put a plausible default for CC_FOR_BUILD in Makefile.
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AC_C_CROSS
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if test "x$cross_compiling" = "xno"; then
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CC_FOR_BUILD='$(CC)'
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else
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CC_FOR_BUILD=gcc
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fi
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AC_SUBST(CC_FOR_BUILD)
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AC_SUBST(CFLAGS)
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AC_SUBST(HDEFINES)
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AR=${AR-ar}
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AC_SUBST(AR)
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AC_PROG_RANLIB
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. ${srcdir}/../../bfd/configure.host
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dnl Standard simulator options.
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dnl Eventually all simulators will support these.
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dnl Do not add any here that cannot be supported by all simulators.
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dnl Do not add similar but different options to a particular simulator,
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dnl all shall eventually behave the same way.
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dnl This is a generic option to enable special byte swapping
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dnl insns on *any* cpu.
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AC_ARG_ENABLE(sim-bswap,
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[ --enable-sim-bswap Use Host specific BSWAP instruction.],
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[case "${enableval}" in
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yes) sim_bswap="-DWITH_BSWAP=1 -DUSE_BSWAP";;
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no) sim_bswap="-DWITH_BSWAP=0";;
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*) AC_MSG_ERROR("--enable-sim-bswap does not take a value"); sim_bswap="";;
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esac
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if test x"$silent" != x"yes" && test x"$sim_bswap" != x""; then
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echo "Setting bswap flags = $sim_bswap" 6>&1
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fi],[sim_bswap=""])dnl
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AC_SUBST(sim_bswap)
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AC_ARG_ENABLE(sim-cflags,
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[ --enable-sim-cflags=opts Extra CFLAGS for use in building simulator],
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[case "${enableval}" in
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yes) sim_cflags="-O2";;
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trace) AC_MSG_ERROR("Please use --enable-sim-debug instead."); sim_cflags="";;
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no) sim_cflags="";;
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*) sim_cflags=`echo "${enableval}" | sed -e "s/,/ /g"`;;
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esac
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if test x"$silent" != x"yes" && test x"$sim_cflags" != x""; then
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echo "Setting sim cflags = $sim_cflags" 6>&1
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fi],[sim_cflags=""])dnl
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AC_SUBST(sim_cflags)
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dnl --enable-sim-debug is for developers of the simulator
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dnl the allowable values are work-in-progress
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AC_ARG_ENABLE(sim-debug,
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[ --enable-sim-debug=opts Enable debugging flags],
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[case "${enableval}" in
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yes) sim_debug="-DDEBUG=7";;
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no) sim_debug="-DDEBUG=0";;
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*) sim_debug="-DDEBUG='(${enableval})'";;
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esac
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if test x"$silent" != x"yes" && test x"$sim_debug" != x""; then
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echo "Setting sim debug = $sim_debug" 6>&1
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fi],[sim_debug=""])dnl
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AC_SUBST(sim_debug)
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dnl --enable-sim-trace is for users of the simulator
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dnl the allowable values are work-in-progress
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AC_ARG_ENABLE(sim-trace,
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[ --enable-sim-trace=opts Enable tracing flags],
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[case "${enableval}" in
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yes) sim_trace="-DTRACE=1";;
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no) sim_trace="-DTRACE=0";;
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*) sim_trace="-DTRACE='(${enableval})'";;
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esac
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if test x"$silent" != x"yes" && test x"$sim_trace" != x""; then
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echo "Setting sim trace = $sim_trace" 6>&1
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fi],[sim_trace=""])dnl
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AC_SUBST(sim_trace)
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dnl These are available to append to as desired.
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sim_link_files=
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sim_link_links=
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dnl Create tconfig.h either from simulator's tconfig.in or default one
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dnl in common.
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sim_link_links=tconfig.h
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if test -f ${srcdir}/tconfig.in
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then
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sim_link_files=tconfig.in
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else
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sim_link_files=../common/tconfig.in
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fi
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# targ-vals.def points to the libc macro description file.
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case "${target}" in
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*-*-*) TARG_VALS_DEF=../common/nltvals.def ;;
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esac
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sim_link_files="${sim_link_files} ${TARG_VALS_DEF}"
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sim_link_links="${sim_link_links} targ-vals.def"
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]) dnl End of SIM_AC_COMMON
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dnl Almost standard simulator options.
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dnl Eventually all simulators will support these.
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dnl --enable-sim-endian={yes,no,big,little} is for simulators
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dnl that support both big and little endian targets.
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AC_DEFUN(SIM_AC_OPTION_ENDIAN,
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[
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default_sim_endian="ifelse([$1],,,-DWITH_TARGET_BYTE_ORDER=[$1])"
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AC_ARG_ENABLE(sim-endian,
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[ --enable-sim-endian=endian Specify target byte endian orientation.],
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[case "${enableval}" in
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yes) case "$target" in
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*powerpc-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;
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*powerpcle-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;
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*) echo "Unknown target $target" 1>&6; sim_endian="-DWITH_TARGET_BYTE_ORDER=0";;
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esac;;
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no) sim_endian="-DWITH_TARGET_BYTE_ORDER=0";;
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b*|B*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;
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l*|L*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;
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*) AC_MSG_ERROR("Unknown value $enableval for --enable-sim-endian"); sim_endian="";;
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esac
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if test x"$silent" != x"yes" && test x"$sim_endian" != x""; then
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echo "Setting endian flags = $sim_endian" 6>&1
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fi],[sim_endian="${default_sim_endian}"])dnl
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])
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dnl --enable-sim-hostendian is for users of the simulator when
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dnl they find that AC_C_BIGENDIAN does not function correctly
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dnl (for instance in a canadian cross)
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AC_DEFUN(SIM_AC_OPTION_HOSTENDIAN,
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[
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AC_ARG_ENABLE(sim-hostendian,
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[ --enable-sim-hostendain=end Specify host byte endian orientation.],
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[case "${enableval}" in
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no) sim_hostendian="-DWITH_HOST_BYTE_ORDER=0";;
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b*|B*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=BIG_ENDIAN";;
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l*|L*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=LITTLE_ENDIAN";;
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*) AC_MSG_ERROR("Unknown value $enableval for --enable-sim-hostendian"); sim_hostendian="";;
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esac
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if test x"$silent" != x"yes" && test x"$sim_hostendian" != x""; then
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echo "Setting hostendian flags = $sim_hostendian" 6>&1
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fi],[
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if test "x$cross_compiling" = "xno"; then
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AC_C_BIGENDIAN
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if test $ac_cv_c_bigendian = yes; then
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sim_hostendian="-DWITH_HOST_BYTE_ORDER=BIG_ENDIAN"
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else
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sim_hostendian="-DWITH_HOST_BYTE_ORDER=LITTLE_ENDIAN"
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fi
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else
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sim_hostendian="-DWITH_HOST_BYTE_ORDER=0"
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fi])dnl
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])
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dnl --enable-sim-inline is for users that wish to ramp up the simulator's
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dnl performance by inlining functions.
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AC_DEFUN(SIM_AC_OPTION_INLINE,
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[
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default_sim_inline="ifelse([$1],,,-DDEFAULT_INLINE=[$1])"
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AC_ARG_ENABLE(sim-inline,
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[ --enable-sim-inline=inlines Specify which functions should be inlined.],
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[sim_inline=""
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case "$enableval" in
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no) sim_inline="-DDEFAULT_INLINE=0";;
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0) sim_inline="-DDEFAULT_INLINE=0";;
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yes | 2) sim_inline="-DDEFAULT_INLINE=ALL_INLINE";;
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1) sim_inline="-DDEFAULT_INLINE=INLINE_LOCALS";;
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*) for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
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new_flag=""
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case "$x" in
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*_INLINE=*) new_flag="-D$x";;
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*=*) new_flag=`echo "$x" | sed -e "s/=/_INLINE=/" -e "s/^/-D/"`;;
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*_INLINE) new_flag="-D$x=ALL_INLINE";;
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*) new_flag="-D$x""_INLINE=ALL_INLINE";;
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esac
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if test x"$sim_inline" = x""; then
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sim_inline="$new_flag"
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else
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sim_inline="$sim_inline $new_flag"
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fi
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done;;
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esac
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if test x"$silent" != x"yes" && test x"$sim_inline" != x""; then
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echo "Setting inline flags = $sim_inline" 6>&1
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fi],[if test x"$GCC" != "x" -a x"${default_sim_inline}" != "x" ; then
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sim_inline="${default_sim_inline}"
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if test x"$silent" != x"yes"; then
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echo "Setting inline flags = $sim_inline" 6>&1
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fi
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else
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sim_inline=""
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fi])dnl
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])
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dnl --enable-sim-warnings is for developers of the simulator.
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dnl it enables extra GCC specific warnings.
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AC_DEFUN(SIM_AC_OPTION_WARNINGS,
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[
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AC_ARG_ENABLE(sim-warnings,
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[ --enable-sim-warnings=opts Extra CFLAGS for turning on compiler warnings except for idecode.o, semantics.o and psim.o],
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[case "${enableval}" in
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yes) sim_warnings="-Werror -Wall -Wpointer-arith -Wmissing-prototypes -Wmissing-declarations ";;
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no) sim_warnings="-w";;
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*) sim_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
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esac
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if test x"$silent" != x"yes" && test x"$sim_warnings" != x""; then
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echo "Setting warning flags = $sim_warnings" 6>&1
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fi],[sim_warnings=""])dnl
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])
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dnl Generate the Makefile in a target specific directory.
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dnl Substitutions aren't performed on the file in AC_SUBST_FILE,
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dnl so this is a cover macro to tuck the details away of how we cope.
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dnl We cope by having autoconf generate two files and then merge them into
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dnl one afterwards. The two pieces of the common fragment are inserted into
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dnl the target's fragment at the appropriate points.
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AC_DEFUN(SIM_AC_OUTPUT,
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[
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dnl Optional options
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AC_SUBST(sim_endian)
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AC_SUBST(sim_hostendian)
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AC_SUBST(sim_inline)
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AC_SUBST(sim_warnings)
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dnl
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AC_LINK_FILES($sim_link_files, $sim_link_links)
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AC_OUTPUT(Makefile.sim:Makefile.in Make-common.sim:../common/Make-common.in,
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[case "x$CONFIG_FILES" in xMakefile*)
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echo "Merging Makefile.sim+Make-common.sim into Makefile ..."
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rm -f Makesim1.tmp Makesim2.tmp Makefile
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sed -n -e '/^## COMMON_PRE_/,/^## End COMMON_PRE_/ p' <Make-common.sim >Makesim1.tmp
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sed -n -e '/^## COMMON_POST_/,/^## End COMMON_POST_/ p' <Make-common.sim >Makesim2.tmp
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sed -e '/^## COMMON_PRE_/ r Makesim1.tmp' \
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-e '/^## COMMON_POST_/ r Makesim2.tmp' \
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<Makefile.sim >Makefile
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rm -f Makefile.sim Make-common.sim Makesim1.tmp Makesim2.tmp
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;;
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esac
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case "x$CONFIG_HEADERS" in xconfig.h:config.in) echo > stamp-h ;; esac
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])
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])
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