Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-and-plugins-140721-5' into staging

Testing and plugin updates:

  - custom runner playbooks for configuring GitLab runners
  - integrate Cirrus jobs into GitLab via cirrus-run
  - clean-up docker package lists
  - bump NetBSD to 9.2
  - bump OpenBSD to 6.9
  - make test-mmap more hexagon friendly
  - fixup handling of hostaddr for plugins
  - disallow some incompatible plugin configurations
  - fix handling of -ldl for BSDs
  - remove some old unused symbols from the plugin symbol map
  - enable plugins by default for most TCG builds
  - honour main build -Wall settings for plugins
  - new execlog plugin
  - new cache modelling plugin
  - fix io_uring build regression
  - disable modular TCG on Darwin

# gpg: Signature made Wed 14 Jul 2021 15:56:27 BST
# gpg:                using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8  DF35 FBD0 DB09 5A9E 2A44

* remotes/stsquad/tags/pull-testing-and-plugins-140721-5: (44 commits)
  MAINTAINERS: Added myself as a reviewer for TCG Plugins
  docs/devel: Added cache plugin to the plugins docs
  plugins/cache: Added FIFO and LRU eviction policies
  plugins/cache: Enable cache parameterization
  plugins: Added a new cache modelling plugin
  docs/devel: tcg-plugins: add execlog plugin description
  contrib/plugins: add execlog to log instruction execution and memory access
  contrib/plugins: enable -Wall for building plugins
  tcg/plugins: enable by default for most TCG builds
  configure: stop user enabling plugins on Windows for now
  configure: add an explicit static and plugins check
  configure: don't allow plugins to be enabled for a non-TCG build
  tcg/plugins: remove some stale entries from the symbol list
  meson.build: relax the libdl test to one for the function dlopen
  meson.build: move TCG plugin summary output
  plugins: fix-up handling of internal hostaddr for 32 bit
  tests/tcg: make test-mmap a little less aggressive
  tests/vm: update openbsd to release 6.9
  tests/vm: update NetBSD to 9.2
  tests/docker: expand opensuse-leap package list
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 83 insertions, 59 deletions

diff --git a/configure b/configure
index 4d0a2bfdd8..49b5481139 100755
--- a/configure
+++ b/configure
@@ -429,7 +429,7 @@ libxml2="auto"
 debug_mutex="no"
 libpmem="auto"
 default_devices="true"
-plugins="no"
+plugins="$default_feature"
 fuzzing="no"
 rng_none="no"
 secret_keyring="$default_feature"
@@ -708,6 +708,7 @@ MINGW32*)
     audio_drv_list=""
   fi
   supported_os="yes"
+  plugins="no"
   pie="no"
 ;;
 GNU/kFreeBSD)
@@ -1110,6 +1111,7 @@ for opt do
   --enable-cap-ng) cap_ng="enabled"
   ;;
   --disable-tcg) tcg="disabled"
+                 plugins="no"
   ;;
   --enable-tcg) tcg="enabled"
   ;;
@@ -1521,7 +1523,11 @@ for opt do
   ;;
   --disable-xkbcommon) xkbcommon="disabled"
   ;;
-  --enable-plugins) plugins="yes"
+  --enable-plugins) if test "$mingw32" = "yes"; then
+                        error_exit "TCG plugins not currently supported on Windows platforms"
+                    else
+                        plugins="yes"
+                    fi
   ;;
   --disable-plugins) plugins="no"
   ;;
@@ -1575,6 +1581,11 @@ for opt do
   esac
 done
 
+# test for any invalid configuration combinations
+if test "$plugins" = "yes" -a "$tcg" = "disabled"; then
+    error_exit "Can't enable plugins on non-TCG builds"
+fi
+
 case $git_submodules_action in
     update|validate)
         if test ! -e "$source_path/.git"; then
@@ -2191,11 +2202,16 @@ if test "$modules" = "no" && test "$module_upgrades" = "yes" ; then
   error_exit "Can't enable module-upgrades as Modules are not enabled"
 fi
 
-# Static linking is not possible with modules or PIE
+# Static linking is not possible with plugins, modules or PIE
 if test "$static" = "yes" ; then
   if test "$modules" = "yes" ; then
     error_exit "static and modules are mutually incompatible"
   fi
+  if test "$plugins" = "yes"; then
+    error_exit "static and plugins are mutually incompatible"
+  else
+    plugins="no"
+  fi
 fi
 
 # Unconditional check for compiler __thread support
@@ -3089,6 +3105,69 @@ for drv in $audio_drv_list; do
 done
 
 ##########################################
+# plugin linker support probe
+
+if test "$plugins" != "no"; then
+
+    #########################################
+    # See if --dynamic-list is supported by the linker
+
+    ld_dynamic_list="no"
+    cat > $TMPTXT <<EOF
+{
+  foo;
+};
+EOF
+
+        cat > $TMPC <<EOF
+#include <stdio.h>
+void foo(void);
+
+void foo(void)
+{
+  printf("foo\n");
+}
+
+int main(void)
+{
+  foo();
+  return 0;
+}
+EOF
+
+    if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
+        ld_dynamic_list="yes"
+    fi
+
+    #########################################
+    # See if -exported_symbols_list is supported by the linker
+
+    ld_exported_symbols_list="no"
+    cat > $TMPTXT <<EOF
+  _foo
+EOF
+
+    if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
+        ld_exported_symbols_list="yes"
+    fi
+
+    if test "$ld_dynamic_list" = "no" &&
+       test "$ld_exported_symbols_list" = "no" ; then
+        if test "$plugins" = "yes"; then
+            error_exit \
+                "Plugin support requires dynamic linking and specifying a set of symbols " \
+                "that are exported to plugins. Unfortunately your linker doesn't " \
+                "support the flag (--dynamic-list or -exported_symbols_list) used " \
+                "for this purpose."
+        else
+            plugins="no"
+        fi
+    else
+        plugins="yes"
+    fi
+fi
+
+##########################################
 # glib support probe
 
 glib_req_ver=2.56
@@ -3096,7 +3175,7 @@ glib_modules=gthread-2.0
 if test "$modules" = yes; then
     glib_modules="$glib_modules gmodule-export-2.0"
 fi
-if test "$plugins" = yes; then
+if test "$plugins" = "yes"; then
     glib_modules="$glib_modules gmodule-2.0"
 fi
 
@@ -3921,61 +4000,6 @@ if compile_prog "" "" ; then
   atomic64=yes
 fi
 
-#########################################
-# See if --dynamic-list is supported by the linker
-ld_dynamic_list="no"
-if test "$static" = "no" ; then
-    cat > $TMPTXT <<EOF
-{
-  foo;
-};
-EOF
-
-    cat > $TMPC <<EOF
-#include <stdio.h>
-void foo(void);
-
-void foo(void)
-{
-  printf("foo\n");
-}
-
-int main(void)
-{
-  foo();
-  return 0;
-}
-EOF
-
-    if compile_prog "" "-Wl,--dynamic-list=$TMPTXT" ; then
-        ld_dynamic_list="yes"
-    fi
-fi
-
-#########################################
-# See if -exported_symbols_list is supported by the linker
-
-ld_exported_symbols_list="no"
-if test "$static" = "no" ; then
-    cat > $TMPTXT <<EOF
-  _foo
-EOF
-
-    if compile_prog "" "-Wl,-exported_symbols_list,$TMPTXT" ; then
-        ld_exported_symbols_list="yes"
-    fi
-fi
-
-if  test "$plugins" = "yes" &&
-    test "$ld_dynamic_list" = "no" &&
-    test "$ld_exported_symbols_list" = "no" ; then
-  error_exit \
-      "Plugin support requires dynamic linking and specifying a set of symbols " \
-      "that are exported to plugins. Unfortunately your linker doesn't " \
-      "support the flag (--dynamic-list or -exported_symbols_list) used " \
-      "for this purpose. You can't build with --static."
-fi
-
 ########################################
 # check if getauxval is available.