linux-user, mips: add syscall table generation support

[thirdparty/qemu.git] / configure

diff --git a/configure b/configure
index 6f5d85094965169083644fe36bc79d558378335f..7432f955b8f513116ac3351ddfe053dc81c532e1 100755 (executable)
--- a/configure
+++ b/configure
@@ -449,13 +449,14 @@ lzo=""
 snappy=""
 bzip2=""
 lzfse=""
+zstd=""
 guest_agent=""
 guest_agent_with_vss="no"
 guest_agent_ntddscsi="no"
 guest_agent_msi=""
 vss_win32_sdk=""
 win_sdk="no"
-want_tools="yes"
+want_tools=""
 libiscsi=""
 libnfs=""
 coroutine=""
@@ -505,6 +506,7 @@ debug_mutex="no"
 libpmem=""
 default_devices="yes"
 plugins="no"
+fuzzing="no"
 
 supported_cpu="no"
 supported_os="no"
@@ -635,6 +637,15 @@ int main(void) { return 0; }
 EOF
 }
 
+write_c_fuzzer_skeleton() {
+    cat > $TMPC <<EOF
+#include <stdint.h>
+#include <sys/types.h>
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size);
+int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) { return 0; }
+EOF
+}
+
 if check_define __linux__ ; then
   targetos="Linux"
 elif check_define _WIN32 ; then
@@ -925,6 +936,17 @@ do
     fi
 done
 
+# Check for ancillary tools used in testing
+genisoimage=
+for binary in genisoimage
+do
+    if has $binary
+    then
+        genisoimage=$(command -v "$binary")
+        break
+    fi
+done
+
 : ${smbd=${SMBD-/usr/sbin/smbd}}
 
 # Default objcc to clang if available, otherwise use CC
@@ -1361,6 +1383,10 @@ for opt do
   ;;
   --disable-lzfse) lzfse="no"
   ;;
+  --disable-zstd) zstd="no"
+  ;;
+  --enable-zstd) zstd="yes"
+  ;;
   --enable-guest-agent) guest_agent="yes"
   ;;
   --disable-guest-agent) guest_agent="no"
@@ -1558,6 +1584,10 @@ for opt do
   ;;
   --disable-containers) use_containers="no"
   ;;
+  --enable-fuzzing) fuzzing=yes
+  ;;
+  --disable-fuzzing) fuzzing=no
+  ;;
   *)
       echo "ERROR: unknown option $opt"
       echo "Try '$0 --help' for more information"
@@ -1815,6 +1845,8 @@ disabled with --disable-FEATURE, default is enabled if available:
                   (for reading bzip2-compressed dmg images)
   lzfse           support of lzfse compression library
                   (for reading lzfse-compressed dmg images)
+  zstd            support for zstd compression library
+                  (for migration compression)
   seccomp         seccomp support
   coroutine-pool  coroutine freelist (better performance)
   glusterfs       GlusterFS backend
@@ -1855,6 +1887,18 @@ fi
 # Remove old dependency files to make sure that they get properly regenerated
 rm -f */config-devices.mak.d
 
+# Remove syscall_nr.h to be sure they will be regenerated in the build
+# directory, not in the source directory
+for arch in alpha hppa m68k xtensa sh4 microblaze arm ppc s390x sparc sparc64 \
+    i386 x86_64 mips ; do
+    # remove the file if it has been generated in the source directory
+    rm -f "${source_path}/linux-user/${arch}/syscall_nr.h"
+    # remove the dependency files
+    find . -name "*.d" \
+           -exec grep -q "${source_path}/linux-user/${arch}/syscall_nr.h" {} \; \
+           -exec rm {} \;
+done
+
 if test -z "$python"
 then
     error_exit "Python not found. Use --python=/path/to/python"
@@ -2213,6 +2257,16 @@ else
     echo big/little test failed
 fi
 
+##########################################
+# system tools
+if test -z "$want_tools"; then
+    if test "$softmmu" = "no"; then
+        want_tools=no
+    else
+        want_tools=yes
+    fi
+fi
+
 ##########################################
 # cocoa implies not SDL or GTK
 # (the cocoa UI code currently assumes it is always the active UI
@@ -2429,6 +2483,24 @@ EOF
     fi
 fi
 
+##########################################
+# zstd check
+
+if test "$zstd" != "no" ; then
+    if $pkg_config --exist libzstd ; then
+        zstd_cflags="$($pkg_config --cflags libzstd)"
+        zstd_libs="$($pkg_config --libs libzstd)"
+        LIBS="$zstd_libs $LIBS"
+        QEMU_CFLAGS="$QEMU_CFLAGS $zstd_cflags"
+        zstd="yes"
+    else
+        if test "$zstd" = "yes" ; then
+            feature_not_found "libzstd" "Install libzstd devel"
+        fi
+        zstd="no"
+    fi
+fi
+
 ##########################################
 # libseccomp check
 
@@ -4135,6 +4207,11 @@ elif test "$fdt" != "yes" ; then
   fdt=no
 fi
 
+# fdt is only required when building softmmu targets
+if test -z "$fdt" -a "$softmmu" != "yes" ; then
+    fdt="no"
+fi
+
 if test "$fdt" != "no" ; then
   fdt_libs="-lfdt"
   # explicitly check for libfdt_env.h as it is missing in some stable installs
@@ -6057,6 +6134,15 @@ EOF
   fi
 fi
 
+##########################################
+# checks for fuzzer
+if test "$fuzzing" = "yes" ; then
+  write_c_fuzzer_skeleton
+  if compile_prog "$CPU_CFLAGS -Werror -fsanitize=address,fuzzer" ""; then
+      have_fuzzer=yes
+  fi
+fi
+
 ##########################################
 # check for libpmem
 
@@ -6078,6 +6164,11 @@ fi
 ##########################################
 # check for slirp
 
+# slirp is only required when building softmmu targets
+if test -z "$slirp" -a "$softmmu" != "yes" ; then
+    slirp="no"
+fi
+
 case "$slirp" in
   "" | yes)
     if $pkg_config slirp; then
@@ -6237,7 +6328,7 @@ tools=""
 if test "$want_tools" = "yes" ; then
   tools="qemu-img\$(EXESUF) qemu-io\$(EXESUF) qemu-edid\$(EXESUF) $tools"
   if [ "$linux" = "yes" -o "$bsd" = "yes" -o "$solaris" = "yes" ] ; then
-    tools="qemu-nbd\$(EXESUF) $tools"
+    tools="qemu-nbd\$(EXESUF) qemu-storage-daemon\$(EXESUF) $tools"
   fi
   if [ "$ivshmem" = "yes" ]; then
     tools="ivshmem-client\$(EXESUF) ivshmem-server\$(EXESUF) $tools"
@@ -6499,6 +6590,7 @@ echo "python            $python ($python_version)"
 if test "$docs" != "no"; then
     echo "sphinx-build      $sphinx_build"
 fi
+echo "genisoimage       $genisoimage"
 echo "slirp support     $slirp $(echo_version $slirp $slirp_version)"
 if test "$slirp" != "no" ; then
     echo "smbd              $smbd"
@@ -6625,6 +6717,7 @@ echo "lzo support       $lzo"
 echo "snappy support    $snappy"
 echo "bzip2 support     $bzip2"
 echo "lzfse support     $lzfse"
+echo "zstd support      $zstd"
 echo "NUMA host support $numa"
 echo "libxml2           $libxml2"
 echo "tcmalloc support  $tcmalloc"
@@ -6646,6 +6739,7 @@ echo "libpmem support   $libpmem"
 echo "libudev           $libudev"
 echo "default devices   $default_devices"
 echo "plugin support    $plugins"
+echo "fuzzing support   $fuzzing"
 
 if test "$supported_cpu" = "no"; then
     echo
@@ -7198,6 +7292,10 @@ if test "$lzfse" = "yes" ; then
   echo "LZFSE_LIBS=-llzfse" >> $config_host_mak
 fi
 
+if test "$zstd" = "yes" ; then
+  echo "CONFIG_ZSTD=y" >> $config_host_mak
+fi
+
 if test "$libiscsi" = "yes" ; then
   echo "CONFIG_LIBISCSI=m" >> $config_host_mak
   echo "LIBISCSI_CFLAGS=$libiscsi_cflags" >> $config_host_mak
@@ -7484,6 +7582,16 @@ fi
 if test "$sheepdog" = "yes" ; then
   echo "CONFIG_SHEEPDOG=y" >> $config_host_mak
 fi
+if test "$fuzzing" = "yes" ; then
+  if test "$have_fuzzer" = "yes"; then
+    FUZZ_LDFLAGS=" -fsanitize=address,fuzzer"
+    FUZZ_CFLAGS=" -fsanitize=address,fuzzer"
+    CFLAGS=" -fsanitize=address,fuzzer-no-link"
+  else
+    error_exit "Your compiler doesn't support -fsanitize=address,fuzzer"
+    exit 1
+  fi
+fi
 
 if test "$plugins" = "yes" ; then
     echo "CONFIG_PLUGIN=y" >> $config_host_mak
@@ -7532,6 +7640,7 @@ echo "INSTALL_PROG=$install -c -m 0755" >> $config_host_mak
 echo "INSTALL_LIB=$install -c -m 0644" >> $config_host_mak
 echo "PYTHON=$python" >> $config_host_mak
 echo "SPHINX_BUILD=$sphinx_build" >> $config_host_mak
+echo "GENISOIMAGE=$genisoimage" >> $config_host_mak
 echo "CC=$cc" >> $config_host_mak
 if $iasl -h > /dev/null 2>&1; then
   echo "IASL=$iasl" >> $config_host_mak
@@ -7585,6 +7694,11 @@ if test "$libudev" != "no"; then
     echo "CONFIG_LIBUDEV=y" >> $config_host_mak
     echo "LIBUDEV_LIBS=$libudev_libs" >> $config_host_mak
 fi
+if test "$fuzzing" != "no"; then
+    echo "CONFIG_FUZZ=y" >> $config_host_mak
+    echo "FUZZ_CFLAGS=$FUZZ_CFLAGS" >> $config_host_mak
+    echo "FUZZ_LDFLAGS=$FUZZ_LDFLAGS" >> $config_host_mak
+fi
 
 if test "$edk2_blobs" = "yes" ; then
   echo "DECOMPRESS_EDK2_BLOBS=y" >> $config_host_mak
@@ -7674,17 +7788,21 @@ case "$target_name" in
   i386)
     mttcg="yes"
        gdb_xml_files="i386-32bit.xml"
+    TARGET_SYSTBL_ABI=i386
   ;;
   x86_64)
     TARGET_BASE_ARCH=i386
+    TARGET_SYSTBL_ABI=common,64
     mttcg="yes"
        gdb_xml_files="i386-64bit.xml"
   ;;
   alpha)
     mttcg="yes"
+    TARGET_SYSTBL_ABI=common
   ;;
   arm|armeb)
     TARGET_ARCH=arm
+    TARGET_SYSTBL_ABI=common,oabi
     bflt="yes"
     mttcg="yes"
     gdb_xml_files="arm-core.xml arm-vfp.xml arm-vfp3.xml arm-neon.xml"
@@ -7700,15 +7818,18 @@ case "$target_name" in
   ;;
   hppa)
     mttcg="yes"
+    TARGET_SYSTBL_ABI=common,32
   ;;
   lm32)
   ;;
   m68k)
     bflt="yes"
     gdb_xml_files="cf-core.xml cf-fp.xml m68k-fp.xml"
+    TARGET_SYSTBL_ABI=common
   ;;
   microblaze|microblazeel)
     TARGET_ARCH=microblaze
+    TARGET_SYSTBL_ABI=common
     bflt="yes"
     echo "TARGET_ABI32=y" >> $config_target_mak
   ;;
@@ -7716,6 +7837,7 @@ case "$target_name" in
     mttcg="yes"
     TARGET_ARCH=mips
     echo "TARGET_ABI_MIPSO32=y" >> $config_target_mak
+    TARGET_SYSTBL_ABI=o32
   ;;
   mipsn32|mipsn32el)
     mttcg="yes"
@@ -7740,10 +7862,12 @@ case "$target_name" in
   ;;
   ppc)
     gdb_xml_files="power-core.xml power-fpu.xml power-altivec.xml power-spe.xml"
+    TARGET_SYSTBL_ABI=common,nospu,32
   ;;
   ppc64)
     TARGET_BASE_ARCH=ppc
     TARGET_ABI_DIR=ppc
+    TARGET_SYSTBL_ABI=common,nospu,64
     mttcg=yes
     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
   ;;
@@ -7751,6 +7875,7 @@ case "$target_name" in
     TARGET_ARCH=ppc64
     TARGET_BASE_ARCH=ppc
     TARGET_ABI_DIR=ppc
+    TARGET_SYSTBL_ABI=common,nospu,64
     mttcg=yes
     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
   ;;
@@ -7758,6 +7883,7 @@ case "$target_name" in
     TARGET_ARCH=ppc64
     TARGET_BASE_ARCH=ppc
     TARGET_ABI_DIR=ppc
+    TARGET_SYSTBL_ABI=common,nospu,32
     echo "TARGET_ABI32=y" >> $config_target_mak
     gdb_xml_files="power64-core.xml power-fpu.xml power-altivec.xml power-spe.xml power-vsx.xml"
   ;;
@@ -7775,20 +7901,25 @@ case "$target_name" in
   ;;
   sh4|sh4eb)
     TARGET_ARCH=sh4
+    TARGET_SYSTBL_ABI=common
     bflt="yes"
   ;;
   sparc)
+    TARGET_SYSTBL_ABI=common,32
   ;;
   sparc64)
     TARGET_BASE_ARCH=sparc
+    TARGET_SYSTBL_ABI=common,64
   ;;
   sparc32plus)
     TARGET_ARCH=sparc64
     TARGET_BASE_ARCH=sparc
     TARGET_ABI_DIR=sparc
+    TARGET_SYSTBL_ABI=common,32
     echo "TARGET_ABI32=y" >> $config_target_mak
   ;;
   s390x)
+    TARGET_SYSTBL_ABI=common,64
     mttcg=yes
     gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
   ;;
@@ -7800,6 +7931,7 @@ case "$target_name" in
   ;;
   xtensa|xtensaeb)
     TARGET_ARCH=xtensa
+    TARGET_SYSTBL_ABI=common
     bflt="yes"
     mttcg="yes"
   ;;
@@ -7829,6 +7961,9 @@ echo "TARGET_ABI_DIR=$TARGET_ABI_DIR" >> $config_target_mak
 if [ "$HOST_VARIANT_DIR" != "" ]; then
     echo "HOST_VARIANT_DIR=$HOST_VARIANT_DIR" >> $config_target_mak
 fi
+if [ "$TARGET_SYSTBL_ABI" != "" ]; then
+    echo "TARGET_SYSTBL_ABI=$TARGET_SYSTBL_ABI" >> $config_target_mak
+fi
 
 if supported_xen_target $target; then
     echo "CONFIG_XEN=y" >> $config_target_mak