Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-tcg-plugins-270520-1' into staging

Testing and one plugin fix:

  - support alternates for genisoimage to test/vm
  - add clang++ to clang tests
  - fix record/replay smoke test
  - enable more softfloat tests
  - better detection of hung gdb
  - upgrade aarch64 tcg test x-compile to gcc-10
  - fix plugin cpu_index clash vs threads

# gpg: Signature made Wed 27 May 2020 14:29:20 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-tcg-plugins-270520-1:
  tests/tcg: add new threadcount test
  linux-user: properly "unrealize" vCPU object
  cpus-common: ensure auto-assigned cpu_indexes don't clash
  tests/docker: use a gcc-10 based image for arm64 tests
  tests/docker: add debian11 base image
  tests/tcg: better detect confused gdb which can't connect
  tests/fp: split and audit the conversion tests
  tests/fp: enable extf80_le_quite tests
  tests/tcg: fix invocation of the memory record/replay tests
  travis.yml: Use clang++ in the Clang tests
  tests/vm: pass --genisoimage to basevm script
  configure: add alternate binary for genisoimage

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

3 files changed, 34 insertions, 1 deletions

diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include
index 43a8678688..ed46bd98eb 100644
--- a/tests/docker/Makefile.include
+++ b/tests/docker/Makefile.include
@@ -7,7 +7,7 @@ HOST_ARCH = $(if $(ARCH),$(ARCH),$(shell uname -m))
 DOCKER_SUFFIX := .docker
 DOCKER_FILES_DIR := $(SRC_PATH)/tests/docker/dockerfiles
 # we don't run tests on intermediate images (used as base by another image)
-DOCKER_PARTIAL_IMAGES := debian9 debian10
+DOCKER_PARTIAL_IMAGES := debian9 debian10 debian11
 DOCKER_PARTIAL_IMAGES += debian9-mxe debian-bootstrap
 DOCKER_IMAGES := $(sort $(notdir $(basename $(wildcard $(DOCKER_FILES_DIR)/*.docker))))
 DOCKER_TARGETS := $(patsubst %,docker-image-%,$(DOCKER_IMAGES))
@@ -131,9 +131,11 @@ docker-image-travis: NOUSER=1
 
 # Specialist build images, sometimes very limited tools
 docker-image-tricore-cross: docker-image-debian9
+docker-image-debian-arm64-test-cross: docker-image-debian11
 
 # These images may be good enough for building tests but not for test builds
 DOCKER_PARTIAL_IMAGES += debian-alpha-cross
+DOCKER_PARTIAL_IMAGES += debian-arm64-test-cross
 DOCKER_PARTIAL_IMAGES += debian-hppa-cross
 DOCKER_PARTIAL_IMAGES += debian-m68k-cross debian-mips64-cross
 DOCKER_PARTIAL_IMAGES += debian-powerpc-cross debian-ppc64-cross
diff --git a/tests/docker/dockerfiles/debian-arm64-test-cross.docker b/tests/docker/dockerfiles/debian-arm64-test-cross.docker
new file mode 100644
index 0000000000..a44e76d942
--- /dev/null
+++ b/tests/docker/dockerfiles/debian-arm64-test-cross.docker
@@ -0,0 +1,13 @@
+#
+# Docker arm64 cross-compiler target (tests only)
+#
+# This docker target builds on the debian Bullseye base image.
+#
+FROM qemu:debian11
+
+# Add the foreign architecture we want and install dependencies
+RUN dpkg --add-architecture arm64
+RUN apt update && \
+    DEBIAN_FRONTEND=noninteractive eatmydata \
+        apt install -y --no-install-recommends \
+        crossbuild-essential-arm64 gcc-10-aarch64-linux-gnu
diff --git a/tests/docker/dockerfiles/debian11.docker b/tests/docker/dockerfiles/debian11.docker
new file mode 100644
index 0000000000..5adfd62d55
--- /dev/null
+++ b/tests/docker/dockerfiles/debian11.docker
@@ -0,0 +1,18 @@
+#
+# Docker multiarch cross-compiler target
+#
+# This docker target uses the current development version of Debian as
+# a base for cross compilers for building test binaries. We won't
+# attempt to build QEMU on it yet given it is still in development.
+#
+# On its own you can't build much but the docker-foo-cross targets
+# build on top of the base debian image.
+#
+FROM debian:bullseye-slim
+
+# Duplicate deb line as deb-src
+RUN cat /etc/apt/sources.list | sed "s/^deb\ /deb-src /" >> /etc/apt/sources.list
+
+# Install common build utilities
+RUN apt update && \
+    DEBIAN_FRONTEND=noninteractive apt install -yy eatmydata