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configure: Enable easy use of AddressSanitizer with sim builds

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Change-Id: I6df7e63b1820296a280faa0925ad4781637b879b
This commit is contained in:
Solomon Peachy 2021-04-07 21:48:58 -04:00
parent 1b82ebc6e4
commit d2f694696f
1 changed files with 20 additions and 1 deletions
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21
tools/configure vendored
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@ -263,6 +263,14 @@ simcc () {
GCCOPTS=`echo $CCOPTS | sed -e s/-ffreestanding// -e s/-nostdlib// -e s/-Wundef//` GCCOPTS=`echo $CCOPTS | sed -e s/-ffreestanding// -e s/-nostdlib// -e s/-Wundef//`
GCCOPTS="$GCCOPTS -fno-builtin -g" GCCOPTS="$GCCOPTS -fno-builtin -g"
if [ "$ARG_ADDR_SAN" = "1" ] ; then
# Use AddressSanitizer!
echo "Using AddressSanitizer"
GCCOPTS="$GCCOPTS -fsanitize=address -fPIC"
LDOPTS="$LDOPTS -fsanitize=address -lasan"
fi
# Some linux setups like to warn about unused results. They are correct, # Some linux setups like to warn about unused results. They are correct,
# but cleaning this up is a lot of work. # but cleaning this up is a lot of work.
GCCOPTS="$GCCOPTS -Wno-unused-result" GCCOPTS="$GCCOPTS -Wno-unused-result"
@ -468,6 +476,11 @@ EOF
# on cygwin # on cygwin
rm -f $tmpdir/conftest-$id* rm -f $tmpdir/conftest-$id*
# AddressSanitizer requires SDL threads
if [ "$ARG_ADDR_SAN" = "1" ] ; then
ARG_THREAD_SUPPORT=1
fi
thread_support= thread_support=
if [ -z "$ARG_THREAD_SUPPORT" ] || [ "$ARG_THREAD_SUPPORT" = "0" ]; then if [ -z "$ARG_THREAD_SUPPORT" ] || [ "$ARG_THREAD_SUPPORT" = "0" ]; then
if [ "$sigaltstack" = "0" ]; then if [ "$sigaltstack" = "0" ]; then
@ -1407,10 +1420,12 @@ help() {
--no-thumb The opposite of --thumb (don't use thumb even for targets --no-thumb The opposite of --thumb (don't use thumb even for targets
where this is the default where this is the default
--sdl-threads Force use of SDL threads. They have inferior performance, --sdl-threads Force use of SDL threads. They have inferior performance,
but are better debuggable with GDB but are better debuggable with GDB and valgrind
--no-sdl-threads Disallow use of SDL threads. This prevents the default --no-sdl-threads Disallow use of SDL threads. This prevents the default
behavior of falling back to them if no native thread behavior of falling back to them if no native thread
support was found. support was found.
--with-address-sanitizer
Enasbles the AddressSanitizer feature. Forces SDL threads.
--32-bit Force a 32-bit simulator (use with --sdl-threads for duke3d) --32-bit Force a 32-bit simulator (use with --sdl-threads for duke3d)
--prefix Target installation directory --prefix Target installation directory
--compiler-prefix Override compiler prefix (inherently dangerous) --compiler-prefix Override compiler prefix (inherently dangerous)
@ -1435,6 +1450,7 @@ ARG_ARM_THUMB=
ARG_PREFIX="$PREFIX" ARG_PREFIX="$PREFIX"
ARG_THREAD_SUPPORT= ARG_THREAD_SUPPORT=
ARG_32BIT= ARG_32BIT=
ARG_ADDR_SAN=
err= err=
for arg in "$@"; do for arg in "$@"; do
case "$arg" in case "$arg" in
@ -1457,6 +1473,7 @@ for arg in "$@"; do
--sdl-threads)ARG_THREAD_SUPPORT=1;; --sdl-threads)ARG_THREAD_SUPPORT=1;;
--no-sdl-threads) --no-sdl-threads)
ARG_THREAD_SUPPORT=0;; ARG_THREAD_SUPPORT=0;;
--with-address-sanitizer) ARG_ADDR_SAN=1;;
--prefix=*) ARG_PREFIX=`echo "$arg" | cut -d = -f 2`;; --prefix=*) ARG_PREFIX=`echo "$arg" | cut -d = -f 2`;;
--compiler-prefix=*) ARG_COMPILER_PREFIX=`echo "$arg" | cut -d = -f 2`;; --compiler-prefix=*) ARG_COMPILER_PREFIX=`echo "$arg" | cut -d = -f 2`;;
--help) help;; --help) help;;
@ -4741,6 +4758,8 @@ EOF
if ! diff -q autoconf.h.new autoconf.h > /dev/null 2>&1 ; then if ! diff -q autoconf.h.new autoconf.h > /dev/null 2>&1 ; then
mv autoconf.h.new autoconf.h mv autoconf.h.new autoconf.h
echo "Created autoconf.h" echo "Created autoconf.h"
else
rm -f autoconf.h.new
fi fi
if test -n "$t_cpu"; then if test -n "$t_cpu"; then