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| author | Andrew Cagney <cagney@redhat.com> | 1997-09-22 00:24:46 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 1997-09-22 00:24:46 +0000 |
| commit | b45caf050caea8283ab17a2f6cc76a2208763132 (patch) | |
| tree | fab0ce895fbabaa22590490edea9826bc7219ce4 /sim/common/aclocal.m4 | |
| parent | 2c778bc53aafc06ac2b7705314efcebb5940ebab (diff) | |
| download | gdb-b45caf050caea8283ab17a2f6cc76a2208763132.zip gdb-b45caf050caea8283ab17a2f6cc76a2208763132.tar.gz gdb-b45caf050caea8283ab17a2f6cc76a2208763132.tar.bz2 | |
Add support for --enable-sim-alignment to simulator common aclocal.m4
Add support for --alignment={strict,nonstrict,forced} to simulator common
run-time options.
For v850 use, make the default NONSTRICT_ALIGNMENT.
Diffstat (limited to 'sim/common/aclocal.m4')
| -rw-r--r-- | sim/common/aclocal.m4 | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/sim/common/aclocal.m4 b/sim/common/aclocal.m4 index dec7e69..d3e6843 100644 --- a/sim/common/aclocal.m4 +++ b/sim/common/aclocal.m4 @@ -21,7 +21,7 @@ AC_DEFUN(SIM_AC_COMMON, [ # autoconf.info says this should be called right after AC_INIT. -AC_CONFIG_HEADER(config.h:config.in) +AC_CONFIG_HEADER(ifelse([$1],,config.h,[$1]):config.in) AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/../..) AC_CANONICAL_SYSTEM @@ -212,19 +212,36 @@ dnl and SIM_AC_OUTPUT lines. dnl Specify the alignment restrictions of the target architecture. dnl Without this option all possible alignment restrictions are accomidated. +dnl arg[1] is hardwired target alignment +dnl arg[2] is default target alignment AC_DEFUN(SIM_AC_OPTION_ALIGNMENT, +wire_alignment="ifelse([$2],,ifelse([$1],,,[$1]),[$2])" +default_alignment="ifelse([$2],,ifelse([$1],,,[$1]),[$2])" +default_sim_alignment="ifelse([$1],,ifelse([$2],,,-DWITH_DEFAULT_ALIGNMENT=[$2]),-DWITH_ALIGNMENT=[$1])" [ AC_ARG_ENABLE(sim-alignment, -[ --enable-sim-alignment=align Specify strict or nonstrict alignment.], +[ --enable-sim-alignment=align Specify strict, nonstrict or forced alignment of memory accesses.], [case "${enableval}" in - yes | strict | STRICT) sim_alignment="-DWITH_ALIGNMENT=STRICT_ALIGNMENT";; - no | nonstrict | NONSTRICT) sim_alignment="-DWITH_ALIGNMENT=NONSTRICT_ALIGNMENT";; - 0 | default | DEFAULT) sim_alignment="-DWITH_ALIGNMENT=0";; - *) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment"); sim_alignment="";; + strict | STRICT) sim_alignment="-DWITH_ALIGNMENT=STRICT_ALIGNMENT";; + nonstrict | NONSTRICT) sim_alignment="-DWITH_ALIGNMENT=NONSTRICT_ALIGNMENT";; + forced | FORCED) sim_alignment="-DWITH_ALIGNMENT=FORCED_ALIGNMENT";; + yes) if test x"$wire_alignment" != x; then + sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}" + else + echo "No hard-wired alignment for target $target" 1>&6 + sim_alignment="-DWITH_ALIGNMENT=0" + fi;; + no) if test x"$default_alignment" != x; then + sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}" + else + echo "No default alignment for target $target" 1>&6 + sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0" + fi;; + *) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment"); sim_alignment="";; esac if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then echo "Setting alignment flags = $sim_alignment" 6>&1 -fi],[sim_alignment=""])dnl +fi],[sim_alignment="${default_sim_alignment}"])dnl AC_SUBST(sim_alignment) ])dnl |