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-rwxr-xr-xconfigure48
1 files changed, 31 insertions, 17 deletions
diff --git a/configure b/configure
index 0e0adde410..cb0f870b95 100755
--- a/configure
+++ b/configure
@@ -3445,6 +3445,36 @@ if test "$cpu" = "s390x" ; then
roms="$roms s390-ccw"
fi
+# Probe for the need for relocating the user-only binary.
+if test "$pie" = "no" ; then
+ textseg_addr=
+ case "$cpu" in
+ arm | hppa | i386 | m68k | ppc | ppc64 | s390* | sparc | sparc64 | x86_64)
+ textseg_addr=0x60000000
+ ;;
+ mips)
+ textseg_addr=0x400000
+ ;;
+ esac
+ if [ -n "$textseg_addr" ]; then
+ cat > $TMPC <<EOF
+ int main(void) { return 0; }
+EOF
+ textseg_ldflags="-Wl,-Ttext-segment=$textseg_addr"
+ if ! compile_prog "" "$textseg_ldflags"; then
+ # In case ld does not support -Ttext-segment, edit the default linker
+ # script via sed to set the .text start addr. This is needed on FreeBSD
+ # at least.
+ $ld --verbose | sed \
+ -e '1,/==================================================/d' \
+ -e '/==================================================/,$d' \
+ -e "s/[.] = [0-9a-fx]* [+] SIZEOF_HEADERS/. = $textseg_addr + SIZEOF_HEADERS/" \
+ -e "s/__executable_start = [0-9a-fx]*/__executable_start = $textseg_addr/" > config-host.ld
+ textseg_ldflags="-Wl,-T../config-host.ld"
+ fi
+ fi
+fi
+
# add pixman flags after all config tests are done
QEMU_CFLAGS="$QEMU_CFLAGS $pixman_cflags $fdt_cflags"
libs_softmmu="$libs_softmmu $pixman_libs"
@@ -4073,9 +4103,6 @@ if test "$gcov" = "yes" ; then
echo "GCOV=$gcov_tool" >> $config_host_mak
fi
-# generate list of library paths for linker script
-$ld --verbose -v 2> /dev/null | grep SEARCH_DIR > config-host.ld
-
# use included Linux headers
if test "$linux" = "yes" ; then
mkdir -p linux-headers
@@ -4438,21 +4465,8 @@ if test "$gprof" = "yes" ; then
fi
fi
-if test "$ARCH" = "tci"; then
- linker_script=""
-else
- linker_script="-Wl,-T../config-host.ld -Wl,-T,\$(SRC_PATH)/ldscripts/\$(ARCH).ld"
-fi
-
if test "$target_linux_user" = "yes" -o "$target_bsd_user" = "yes" ; then
- case "$ARCH" in
- alpha | s390x | aarch64)
- # The default placement of the application is fine.
- ;;
- *)
- ldflags="$linker_script $ldflags"
- ;;
- esac
+ ldflags="$ldflags $textseg_ldflags"
fi
echo "LDFLAGS+=$ldflags" >> $config_target_mak