testing/openjdk9: New aport

7 files changed, 1189 insertions, 0 deletions

diff --git a/testing/openjdk9/APKBUILD b/testing/openjdk9/APKBUILD
new file mode 100644
index 0000000000..a44299a4c9
--- /dev/null
+++ b/testing/openjdk9/APKBUILD
@@ -0,0 +1,327 @@
+# Contributor: Simon Frankenberger <simon-alpine@fraho.eu>
+# Maintainer: Simon Frankenberger <simon-alpine@fraho.eu>
+pkgname=openjdk9
+_pkgver=9.0.4+12
+pkgver=${_pkgver/+/.}
+pkgrel=0
+pkgdesc="Oracle OpenJDK 9"
+url="https://hg.openjdk.java.net/jdk-updates/jdk9u"
+arch="all"
+license="GPL-2.0 with Classpath"
+makedepends="autoconf
+bash
+gawk
+grep
+make
+openjdk8
+zip
+alsa-lib-dev
+cups-dev
+freetype-dev
+giflib-dev
+lcms2-dev
+libelf-dev
+libexecinfo-dev
+libffi-dev
+libjpeg-turbo-dev
+libx11-dev
+libxext-dev
+libxrender-dev
+libxt-dev
+libxtst-dev
+linux-headers
+zlib-dev
+"
+depends="$pkgname-jmods $pkgname-demos $pkgname-doc $pkgname-dbg $pkgname-jdk" # for the virtual openjdk9 package
+subpackages="$pkgname-jmods:_jmods:noarch
+$pkgname-demos:_demos:noarch
+$pkgname-doc:_doc:noarch
+$pkgname-dbg:_dbg
+$pkgname-jre-headless:_jre_headless
+$pkgname-jre:_jre
+$pkgname-jdk:_jdk
+"
+source="jdk-$_pkgver-root.tar.bz2::http://hg.openjdk.java.net/jdk-updates/jdk9u/archive/jdk-$_pkgver.tar.bz2
+jdk-$_pkgver-corba.tar.bz2::http://hg.openjdk.java.net/jdk-updates/jdk9u/corba/archive/jdk-$_pkgver.tar.bz2
+jdk-$_pkgver-hotspot.tar.bz2::http://hg.openjdk.java.net/jdk-updates/jdk9u/hotspot/archive/jdk-$_pkgver.tar.bz2
+jdk-$_pkgver-jaxp.tar.bz2::http://hg.openjdk.java.net/jdk-updates/jdk9u/jaxp/archive/jdk-$_pkgver.tar.bz2
+jdk-$_pkgver-jaxws.tar.bz2::http://hg.openjdk.java.net/jdk-updates/jdk9u/jaxws/archive/jdk-$_pkgver.tar.bz2
+jdk-$_pkgver-jdk.tar.bz2::http://hg.openjdk.java.net/jdk-updates/jdk9u/jdk/archive/jdk-$_pkgver.tar.bz2
+jdk-$_pkgver-langtools.tar.bz2::http://hg.openjdk.java.net/jdk-updates/jdk9u/langtools/archive/jdk-$_pkgver.tar.bz2
+jdk-$_pkgver-nashorn.tar.bz2::http://hg.openjdk.java.net/jdk-updates/jdk9u/nashorn/archive/jdk-$_pkgver.tar.bz2
+
+2019-01-05_config.sub::https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;h=3b4c7624b68d2d7f84618e1b5fa2badd43a48325;hb=286a38db91ea2dce1749ab7d1d9ea5ae344a16c1
+build.patch
+aarch64.patch
+arm.patch
+ppc64le.patch
+x86.patch
+
+HelloWorld.java
+"
+builddir="$srcdir/jdk9u-jdk-$_pkgver"
+
+_java_home="/usr/lib/jvm/java-9-openjdk"
+ldpath="$_java_home/lib:$_java_home/lib/jli:$_java_home/lib/server"
+sonameprefix="$pkgname:"
+
+# enable running the JTReg tests in check?
+# see comment in that function for explanation
+_run_jtreg=0
+if [ $_run_jtreg -ne 0 ]; then
+	makedepends="$makedepends java-jtreg"
+	checkdepends="$checkdepends ttf-freefont xvfb"
+fi
+
+
+unpack() {
+	if [ -z "$force" ]; then
+		verify
+		initdcheck
+	fi
+	mkdir -p "$srcdir"
+	msg "Unpacking root.tar.bz2"
+	tar -C "$srcdir" -jxf jdk-$_pkgver-root.tar.bz2
+
+	for i in corba hotspot jaxp jaxws jdk langtools nashorn; do
+		msg "Unpacking $i.tar.bz2"
+		mkdir $builddir/$i
+		tar -C $builddir/$i --strip-components=1 -jxf "$srcdir/jdk-$_pkgver-$i.tar.bz2"
+	done
+}
+
+build() {
+	cd "$builddir"
+
+	# update the config.sub file to detect alpine
+	cp $srcdir/2019-01-05_config.sub common/autoconf/build-aux/autoconf-config.sub
+
+	# remove not compilable module (hotspot jdk.hotspot.agent)
+	# this needs libthread_db which is only provided by glibc
+	#
+	# haven't found any way to disable this module so just remove it.
+	rm -r hotspot/src/jdk.hotspot.agent
+
+	if [ $_run_jtreg -ne 0 ]; then
+		_with_jtreg="--with-jtreg=/usr/share/java/jtreg"
+	else
+		_with_jtreg="--with-jtreg=no"
+	fi
+
+	CFLAGS= CXXFLAGS= LDFLAGS= \
+		bash ./configure \
+		--openjdk-target=$CHOST \
+		--prefix="$_java_home" \
+		--sysconfdir=/etc \
+		--mandir=/usr/share/man \
+		--infodir=/usr/share/info \
+		--localstatedir=/var \
+		--with-extra-cflags="$CFLAGS" \
+		--with-extra-cxxflags="$CXXFLAGS" \
+		--with-extra-ldflags="$LDFLAGS" \
+		--with-zlib=system \
+		--with-libjpeg=system \
+		--with-giflib=system \
+		--with-libpng=system \
+		--with-lcms=system \
+		--with-jobs=${JOBS:-4} \
+		--with-test-jobs=${JOBS:-4} \
+		--with-native-debug-symbols=external \
+		$_with_jtreg \
+		--disable-warnings-as-errors \
+		--disable-precompiled-headers \
+		--enable-dtrace=no \
+		--with-jvm-variants=server \
+		--with-debug-level=release \
+		--with-version-pre= \
+		--with-version-opt=alpine-r${pkgrel} \
+		--with-version-build=${_pkgver#*+}
+
+		MAKEFLAGS= make jdk-image
+}
+
+check() {
+	cd "$builddir"
+
+	# compile and run a simple hello world
+	cp "$srcdir/HelloWorld.java" .
+	./build/*-normal-server-release/images/jdk/bin/javac HelloWorld.java
+	./build/*-normal-server-release/images/jdk/bin/java HelloWorld
+
+	# run the gtest unittest suites
+	# they don't take long, DO NOT DISABLE THEM!
+	MAKEFLAGS= make test-hotspot-gtest
+
+	# The jtreg tests take very, very long to finish and show some failures (9 - 12 on my machine, varying between runs)
+	# I think these are not critical and can be safely ignored.
+	# As the tests take too long, they are disabled by default.
+	# When updating this aport please let them run at least once on your machine to see if the failure count changes.
+	if [ $_run_jtreg -ne 0 ]; then
+		_logfile=$( mktemp -p "$builddir" )
+		if [ -z "$DISPLAY" ]; then
+			Xvfb :99 &
+			_xvfb_pid=$!
+			DISPLAY=:99
+		fi
+		MAKEFLAGS= DISPLAY=$DISPLAY make \
+			run-test-tier1 \
+			run-test-tier2 \
+			run-test-tier3 \
+			| tee "$_logfile"
+		msg "---------------------------------------"
+		msg "The build log can be found at $_logfile"
+		if [ -n "$_xvfb_pid" ]; then
+			kill $_xvfb_pid
+		fi
+		false
+	fi
+}
+
+package() {
+	cd "$builddir"
+
+	mkdir -p "$pkgdir/$_java_home"
+	cp -r build/*-normal-server-release/images/jdk/* "$pkgdir/$_java_home"
+}
+
+_jmods() {
+	pkgdesc="Oracle OpenJDK 9 (jmods)"
+	depends=""
+	_fromroot="$pkgdir/$_java_home"
+	_toroot="$subpkgdir/$_java_home"
+
+	mkdir -p "$_toroot"
+	mv "$_fromroot/jmods" "$_toroot"
+}
+
+_demos() {
+	pkgdesc="Oracle OpenJDK 9 (demos)"
+	depends=""
+	_fromroot="$pkgdir/$_java_home"
+	_toroot="$subpkgdir/$_java_home"
+
+	mkdir -p "$_toroot"
+	mv "$_fromroot/demo" "$_toroot"
+}
+
+_doc() {
+	pkgdesc="Oracle OpenJDK 9 (Documentation)"
+	depends=""
+	_fromroot="$pkgdir/$_java_home"
+	_toroot="$subpkgdir/$_java_home"
+
+	mkdir -p "$_toroot"
+	mv "$_fromroot/man" "$_toroot"
+}
+
+_dbg() {
+	pkgdesc="Oracle OpenJDK 9 (debug)"
+	depends="$pkgname-jdk"
+	_fromroot="$pkgdir/$_java_home"
+	_toroot="$subpkgdir/$_java_home"
+
+	mkdir -p "$_toroot/lib/server"
+	mkdir -p "$_toroot/lib/jli"
+	mv "$_fromroot"/lib/server/*.debuginfo "$_toroot"/lib/server
+	mv "$_fromroot"/lib/jli/*.debuginfo "$_toroot"/lib/jli
+	mv "$_fromroot"/lib/*.debuginfo "$_toroot"/lib
+}
+
+_jre_headless() {
+	pkgdesc="Oracle OpenJDK 9 (JRE headless)"
+	depends="java-common java-cacerts"
+	_fromroot="$pkgdir/$_java_home"
+	_toroot="$subpkgdir/$_java_home"
+
+	mkdir -p "$_toroot"
+	mv "$_fromroot/lib" "$_toroot"
+
+	# move back unwanted libs
+	mkdir -p "$_fromroot/lib"
+	mv "$_toroot/lib/src.zip" \
+		"$_toroot/lib/libawt_xawt.so" \
+		"$_toroot/lib/libfontmanager.so" \
+		"$_toroot/lib/libjavajpeg.so" \
+		"$_toroot/lib/libjawt.so" \
+		"$_toroot/lib/libjsoundalsa.so" \
+		"$_toroot/lib/liblcms.so" \
+		"$_toroot/lib/libsplashscreen.so" \
+		"$_fromroot/lib"
+
+	mkdir -p "$_toroot/bin"
+	for i in appletviewer \
+		idlj \
+		java \
+		jjs \
+		jrunscript \
+		keytool \
+		orbd \
+		pack200 \
+		rmid \
+		rmiregistry \
+		servertool \
+		tnameserv \
+		unpack200; do
+		mv "$_fromroot/bin/$i" "$_toroot/bin/$i"
+	done
+
+	mv "$_fromroot/legal"              "$_toroot"
+	mv "$_fromroot/conf"               "$_toroot"
+	mv "$_fromroot/release"            "$_toroot"
+	cp "$builddir/ASSEMBLY_EXCEPTION"  "$_toroot"
+	cp "$builddir/LICENSE"             "$_toroot"
+	cp "$builddir/README"              "$_toroot"
+
+	# symlink to shared cacerts store
+	rm "$_toroot/lib/security/cacerts"
+	ln -sf /etc/ssl/certs/java/cacerts \
+		"$_toroot/lib/security/cacerts"
+
+	# symlink for java-common to work (expects jre in $_java_home/jre)
+	ln -sf . "$_toroot/jre"
+}
+
+_jre() {
+	pkgdesc="Oracle OpenJDK 9 (JRE)"
+	depends="$pkgname-jre-headless"
+	_fromroot="$pkgdir/$_java_home"
+	_toroot="$subpkgdir/$_java_home"
+
+	mkdir -p "$_toroot/lib"
+	mv "$_fromroot/lib/libawt_xawt.so" \
+		"$_fromroot/lib/libfontmanager.so" \
+		"$_fromroot/lib/libjavajpeg.so" \
+		"$_fromroot/lib/libjawt.so" \
+		"$_fromroot/lib/libjsoundalsa.so" \
+		"$_fromroot/lib/liblcms.so" \
+		"$_fromroot/lib/libsplashscreen.so" \
+		"$_toroot/lib"
+}
+
+_jdk() {
+	pkgdesc="Oracle OpenJDK 9 (JDK)"
+	depends="$pkgname-jre"
+	_fromroot="$pkgdir/$_java_home"
+	_toroot="$subpkgdir/$_java_home"
+
+	mkdir -p "$_toroot"
+	mv "$_fromroot/lib" "$_toroot"
+	mv "$_fromroot/bin" "$_toroot"
+	mv "$_fromroot/include" "$_toroot"
+}
+
+sha512sums="cef3655ae7db657e6c81aa86587e451e58896bb6ee786495f6d757096334435b6a4de26ec3ec927da2487e135f09ce26414f8d6b9b9c508a28d3087be286b1ec  jdk-9.0.4+12-root.tar.bz2
+455998437a9e3ff538b921025d57e19e6fb5148b3f124c9c427c3604689884d81b3ce5c9dbd93d88de26bf1b43ce76d75f75afd95e473a94973a668575e41748  jdk-9.0.4+12-corba.tar.bz2
+49d93764b13085a5626bec1c3d4e790f8748c24577a4e990e76bd1006721a5b8b9a256c40bf6419df4dda6f6390e457485f90c1b1101c010476a04d9056e9f16  jdk-9.0.4+12-hotspot.tar.bz2
+82f28586fd576cc01062e2ff37a917987775838910e4a5ecdfd096abec1c8d23028b77bfc87a38ada53bc30d71d89bde7408c1ae572a43c87a71ced64fd08d3a  jdk-9.0.4+12-jaxp.tar.bz2
+459978a5e3ca21910781daed848229e043eea5bd82dcd20e9249934ec97a2a982126c6e37aac1a36719e3b73a5e6c8a92a50b63033149913614d8f3edfc0846e  jdk-9.0.4+12-jaxws.tar.bz2
+259228d3f439dde239e38cdebb8c3bbb83804ab141d87a9c236310707de9c58cd78cd80ceb4c17755cc1048071f24462839988112c2698f7ec1453a8810610f2  jdk-9.0.4+12-jdk.tar.bz2
+ef3c70be906a4b0dd9c9195c88da045909ee3ef144941fb7b4495ed66b4162f481095cad87626d2bd38e5a62134b440223cd008dd6123b6b43c00e338610a692  jdk-9.0.4+12-langtools.tar.bz2
+848c6ece418e250561572ad704baeb565580098cfc5f849d4e1a3b41b916aae3487eb4d8d0b319f3a503d122ec064ed4de0678d06821c9a2bdb09c990e589c97  jdk-9.0.4+12-nashorn.tar.bz2
+74e3d868d766e605921542969dd2f646a8adec1b82181aaeb02b623a524cb9011e44c261d4e13ab24268c79c6bc1d260e62d41a928b1b402b186dc5676272e36  2019-01-05_config.sub
+386490c3be4c9aa9dc4b73911bc0b97298ff8b1a50e53bd601f4d2a7b3e469f5b8e70e446b2bbe6876854302a373522b4819fde24c85eafc00f9524268096615  build.patch
+3cc00d9b81377fdffb7f5b3f732a35cebd2575825d85df88330740903dd98de30fe75e69229811d52f2ef192c1df0715c2696edf31f64c8d7de4b502a16792e4  aarch64.patch
+fa9fcc0c2f0972435b078669175c44f7d5d3cc29fbecb3e053d196c041ef0ff3feee8ec189a86fce0b35c5fd647ff71963a15e1e6fa50775cc2b6fa35d2ccf0a  arm.patch
+7244d0dfdb78d2f03ea992ef770ed888e2bd48f49e58438e7f0a763633c9aa8fc27b953d82c023f8f99ff23009a15031c99b2ef5550d277c63db684cd984ce8e  ppc64le.patch
+427c525e184e2a74f511aad8192dd411fe7fcc4e7a4dc03a3496fb030cec0177b3b520cbdd1c7700f6761a15ff2e5cce59c93d7079b744954122f684d34ce723  x86.patch
+d1767dddd8e0956e25c0f77ed45c6fc86a1191bae1704a6dc33be490fd20eaa50461fe5c2a3349512059d555651e2eb41437dd3c1096c351e8ee68b4534a2579  HelloWorld.java"
diff --git a/testing/openjdk9/HelloWorld.java b/testing/openjdk9/HelloWorld.java
new file mode 100644
index 0000000000..0be813a190
--- /dev/null
+++ b/testing/openjdk9/HelloWorld.java
@@ -0,0 +1,3 @@
+public class HelloWorld {
+  public static void main(String[] args) { System.out.println("Hello World!"); }
+}
diff --git a/testing/openjdk9/aarch64.patch b/testing/openjdk9/aarch64.patch
new file mode 100644
index 0000000000..d5b794d771
--- /dev/null
+++ b/testing/openjdk9/aarch64.patch
@@ -0,0 +1,10 @@
+--- old/hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp
++++ new/hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp
+@@ -77,7 +77,6 @@
+ # include <pwd.h>
+ # include <poll.h>
+ # include <ucontext.h>
+-# include <fpu_control.h>
+ 
+ #ifdef BUILTIN_SIM
+ #define REG_SP REG_RSP
diff --git a/testing/openjdk9/arm.patch b/testing/openjdk9/arm.patch
new file mode 100644
index 0000000000..157168a501
--- /dev/null
+++ b/testing/openjdk9/arm.patch
@@ -0,0 +1,29 @@
+--- old/hotspot/src/os_cpu/linux_arm/vm/os_linux_arm.cpp
++++ new/hotspot/src/os_cpu/linux_arm/vm/os_linux_arm.cpp
+@@ -71,7 +71,6 @@
+ # include <pwd.h>
+ # include <poll.h>
+ # include <ucontext.h>
+-# include <fpu_control.h>
+ # include <asm/ptrace.h>
+ 
+ #define SPELL_REG_SP  "sp"
+@@ -104,6 +103,18 @@
+ #define ARM_REGS_IN_CONTEXT  31
+ 
+ #else
++
++// Stupid hack as the origin if below doesnt compile with gcc 8.2.0:
++//
++// os_linux_arm.cpp:114:5: error: missing binary operator before token "("
++//  #if NGREG == 16
++//       ^~~~~
++//
++// The NGREG is 18, so force it to that value.
++#ifdef NGREG
++#  undef NGREG
++#endif
++#define NGREG 18
+ 
+ #if NGREG == 16
+ // These definitions are based on the observation that until
diff --git a/testing/openjdk9/build.patch b/testing/openjdk9/build.patch
new file mode 100644
index 0000000000..a67d7167eb
--- /dev/null
+++ b/testing/openjdk9/build.patch
@@ -0,0 +1,540 @@
+--- old/common/autoconf/build-aux/config.guess
++++ new/common/autoconf/build-aux/config.guess
+@@ -30,6 +30,17 @@
+ DIR=`dirname $0`
+ OUT=`. $DIR/autoconf-config.guess`
+ 
++# config.guess doesn't identify systems running the musl C library, and will
++# instead return a string with a -gnu suffix. This block detects musl and
++# modifies the string to have a -musl suffix instead. 
++echo $OUT | grep -- -linux- > /dev/null 2> /dev/null
++if test $? = 0; then
++  ldd_version=`ldd --version 2>&1 | head -1 | cut -f1 -d' '`
++  if [ x"${ldd_version}" = x"musl" ]; then
++    OUT=`echo $OUT | sed 's/-gnu/-musl/'`
++  fi
++fi
++
+ # Test and fix solaris on x86_64
+ echo $OUT | grep i386-pc-solaris > /dev/null 2> /dev/null
+ if test $? = 0; then
+--- old/hotspot/make/lib/CompileJvm.gmk
++++ new/hotspot/make/lib/CompileJvm.gmk
+@@ -135,6 +135,7 @@
+     -DHOTSPOT_BUILD_USER='"$(USERNAME)"' \
+     -DHOTSPOT_VM_DISTRO='"$(HOTSPOT_VM_DISTRO)"' \
+     -DCPU='"$(OPENJDK_TARGET_CPU_VM_VERSION)"' \
++    -DLIBC='"musl"' \
+     #
+ 
+ # -DDONT_USE_PRECOMPILED_HEADER will exclude all includes in precompiled.hpp.
+--- old/hotspot/src/os/linux/vm/os_linux.cpp
++++ new/hotspot/src/os/linux/vm/os_linux.cpp
+@@ -98,7 +98,6 @@
+ # include <string.h>
+ # include <syscall.h>
+ # include <sys/sysinfo.h>
+-# include <gnu/libc-version.h>
+ # include <sys/ipc.h>
+ # include <sys/shm.h>
+ # include <link.h>
+@@ -496,6 +495,11 @@
+ // detecting pthread library
+ 
+ void os::Linux::libpthread_init() {
++#if !defined(__GLIBC__) && !defined(__UCLIBC__)
++  // Hard code Alpine Linux supported musl compatible settings
++  os::Linux::set_glibc_version("glibc 2.9");
++  os::Linux::set_libpthread_version("NPTL");
++#else
+   // Save glibc and pthread version strings.
+ #if !defined(_CS_GNU_LIBC_VERSION) || \
+     !defined(_CS_GNU_LIBPTHREAD_VERSION)
+@@ -513,6 +517,7 @@
+   str = (char *)malloc(n, mtInternal);
+   confstr(_CS_GNU_LIBPTHREAD_VERSION, str, n);
+   os::Linux::set_libpthread_version(str);
++#endif
+ }
+ 
+ /////////////////////////////////////////////////////////////////////////////
+@@ -2803,17 +2808,32 @@
+ extern "C" JNIEXPORT void numa_warn(int number, char *where, ...) { }
+ extern "C" JNIEXPORT void numa_error(char *where) { }
+ 
++static void* dlvsym_if_available(void* handle, const char* name, const char* version) {
++  typedef void* (*dlvsym_func_type)(void* handle, const char* name, const char* version);
++  static dlvsym_func_type dlvsym_func;
++  static bool initialized = false;
+ 
++  if (!initialized) {
++    dlvsym_func = (dlvsym_func_type)dlsym(RTLD_NEXT, "dlvsym");
++    initialized = true;
++  }
++
++  if (dlvsym_func != NULL) {
++    void *f = dlvsym_func(handle, name, version);
++    if (f != NULL) {
++      return f;
++    }
++  }
++
++  return dlsym(handle, name);
++}
++
+ // If we are running with libnuma version > 2, then we should
+ // be trying to use symbols with versions 1.1
+ // If we are running with earlier version, which did not have symbol versions,
+ // we should use the base version.
+ void* os::Linux::libnuma_dlsym(void* handle, const char *name) {
+-  void *f = dlvsym(handle, name, "libnuma_1.1");
+-  if (f == NULL) {
+-    f = dlsym(handle, name);
+-  }
+-  return f;
++  return dlvsym_if_available(handle, name, "libnuma_1.1");
+ }
+ 
+ bool os::Linux::libnuma_init() {
+--- old/hotspot/src/os/linux/vm/os_linux.inline.hpp
++++ new/hotspot/src/os/linux/vm/os_linux.inline.hpp
+@@ -31,7 +31,7 @@
+ 
+ #include <unistd.h>
+ #include <sys/socket.h>
+-#include <sys/poll.h>
++#include <poll.h>
+ #include <netdb.h>
+ 
+ // File names are case-sensitive on windows only
+--- old/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp
++++ new/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp
+@@ -73,7 +73,6 @@
+ # include <pwd.h>
+ # include <poll.h>
+ # include <ucontext.h>
+-# include <fpu_control.h>
+ 
+ #ifdef AMD64
+ #define REG_SP REG_RSP
+--- old/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp
++++ new/hotspot/src/share/vm/gc/shared/genCollectedHeap.cpp
+@@ -1017,7 +1017,7 @@
+ static ScratchBlock *removeSmallestScratch(ScratchBlock **prev_ptr) {
+   bool first = true;
+   size_t min_size = 0;   // "first" makes this conceptually infinite.
+-  ScratchBlock **smallest_ptr, *smallest;
++  ScratchBlock **smallest_ptr = NULL, *smallest;
+   ScratchBlock  *cur = *prev_ptr;
+   while (cur) {
+     assert(*prev_ptr == cur, "just checking");
+--- old/hotspot/src/share/vm/runtime/vm_version.cpp
++++ new/hotspot/src/share/vm/runtime/vm_version.cpp
+@@ -263,7 +263,7 @@
+   #endif
+ 
+   #define INTERNAL_VERSION_SUFFIX VM_RELEASE ")" \
+-         " for " OS "-" CPU FLOAT_ARCH_STR \
++         " for " OS "-" CPU FLOAT_ARCH_STR LIBC \
+          " JRE (" VERSION_STRING "), built on " __DATE__ " " __TIME__ \
+          " by " XSTR(HOTSPOT_BUILD_USER) " with " HOTSPOT_BUILD_COMPILER
+ 
+--- old/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp
++++ new/hotspot/src/share/vm/utilities/globalDefinitions_gcc.hpp
+@@ -216,7 +216,7 @@
+ #elif defined(__APPLE__)
+ inline int g_isnan(double f) { return isnan(f); }
+ #elif defined(LINUX) || defined(_ALLBSD_SOURCE)
+-inline int g_isnan(float  f) { return isnanf(f); }
++inline int g_isnan(float  f) { return isnan(f); }
+ inline int g_isnan(double f) { return isnan(f); }
+ #else
+ #error "missing platform-specific definition here"
+--- old/hotspot/test/runtime/StackGuardPages/exeinvoke.c
++++ new/hotspot/test/runtime/StackGuardPages/exeinvoke.c
+@@ -33,6 +33,7 @@
+ 
+ #include <assert.h>
+ #include <jni.h>
++#include <jvm.h>
+ #include <alloca.h>
+ #include <signal.h>
+ #include <string.h>
+@@ -91,6 +92,20 @@
+   }
+ }
+ 
++int get_java_stacksize () {
++  size_t stacksize;
++  pthread_attr_t attr;
++  JDK1_1InitArgs jdk_args;
++
++  jdk_args.version = JNI_VERSION_1_1;
++  JNI_GetDefaultJavaVMInitArgs(&jdk_args);
++  if (jdk_args.javaStackSize <= 0) {
++    fprintf(stderr, "Test ERROR. Can't get a valid value for the default stacksize.\n");
++    exit(7);
++  }
++  return jdk_args.javaStackSize;
++}
++
+ void *run_java_overflow (void *p) {
+   JNIEnv *env;
+   jclass class_id;
+@@ -254,13 +269,19 @@
+     exit(7);
+   }
+ 
++  int stack_size = get_java_stacksize();
+   pthread_t thr;
++  pthread_attr_t thread_attr;
+ 
++  pthread_attr_init(&thread_attr);
++  pthread_attr_setstacksize(&thread_attr, stack_size);
++
+   if (argc > 1 && strcmp(argv[1], "test_java_overflow") == 0) {
+     printf("\nTesting JAVA_OVERFLOW\n");
+ 
+     printf("Testing stack guard page behaviour for other thread\n");
+-    pthread_create (&thr, NULL, run_java_overflow, NULL);
++
++    pthread_create (&thr, &thread_attr, run_java_overflow, NULL);
+     pthread_join (thr, NULL);
+ 
+     printf("Testing stack guard page behaviour for initial thread\n");
+@@ -273,7 +294,7 @@
+     printf("\nTesting NATIVE_OVERFLOW\n");
+ 
+     printf("Testing stack guard page behaviour for other thread\n");
+-    pthread_create (&thr, NULL, run_native_overflow, NULL);
++    pthread_create (&thr, &thread_attr, run_native_overflow, NULL);
+     pthread_join (thr, NULL);
+ 
+     printf("Testing stack guard page behaviour for initial thread\n");
+--- old/jdk/make/lib/CoreLibraries.gmk
++++ new/jdk/make/lib/CoreLibraries.gmk
+@@ -339,6 +339,7 @@
+ endif
+ 
+ LIBJLI_CFLAGS += $(addprefix -I, $(LIBJLI_SRC_DIRS))
++LIBJLI_CFLAGS += -DLIBC=\"musl\"
+ 
+ ifneq ($(USE_EXTERNAL_LIBZ), true)
+   LIBJLI_CFLAGS += $(ZLIB_CPPFLAGS)
+--- old/jdk/src/java.base/linux/native/libnet/linux_close.c
++++ new/jdk/src/java.base/linux/native/libnet/linux_close.c
+@@ -58,7 +58,7 @@
+ /*
+  * Signal to unblock thread
+  */
+-static int sigWakeup = (__SIGRTMAX - 2);
++static int sigWakeup;
+ 
+ /*
+  * fdTable holds one entry per file descriptor, up to a certain
+@@ -147,6 +147,7 @@
+     /*
+      * Setup the signal handler
+      */
++    sigWakeup = SIGRTMAX - 2;
+     sa.sa_handler = sig_wakeup;
+     sa.sa_flags   = 0;
+     sigemptyset(&sa.sa_mask);
+--- old/jdk/src/java.base/unix/native/include/jvm_md.h
++++ new/jdk/src/java.base/unix/native/include/jvm_md.h
+@@ -65,7 +65,7 @@
+ #include <sys/stat.h>
+ #include <fcntl.h>
+ #include <errno.h>
+-#include <sys/signal.h>
++#include <signal.h>
+ 
+ /* O Flags */
+ 
+--- old/jdk/src/java.base/unix/native/libjava/childproc.c
++++ new/jdk/src/java.base/unix/native/libjava/childproc.c
+@@ -237,7 +237,13 @@
+ {
+     if (envp == NULL || (char **) envp == environ) {
+         execvp(file, (char **) argv);
+-        return;
++        // ENOEXEC indicates that the file header was not recognized. The musl C
++        // library does not implement the fallback to /bin/sh for that case, so fall
++        // through to the code below which implements that fallback using
++        // execve_with_shell_fallback.
++        if (errno != ENOEXEC) {
++            return;
++        }
+     }
+ 
+     if (*file == '\0') {
+--- old/jdk/src/java.base/unix/native/libjava/jdk_util_md.h
++++ new/jdk/src/java.base/unix/native/libjava/jdk_util_md.h
+@@ -37,7 +37,7 @@
+ #define ISNAND(d) isnan(d)
+ #elif defined(__linux__) || defined(_ALLBSD_SOURCE)
+ #include <math.h>
+-#define ISNANF(f) isnanf(f)
++#define ISNANF(f) isnan(f)
+ #define ISNAND(d) isnan(d)
+ #elif defined(_AIX)
+ #include <math.h>
+--- old/jdk/src/java.base/unix/native/libjli/java_md_solinux.c
++++ new/jdk/src/java.base/unix/native/libjli/java_md_solinux.c
+@@ -241,6 +241,39 @@
+     char *dmllp = NULL;
+     char *p; /* a utility pointer */
+ 
++#ifdef __linux
++#ifndef LIBC
++#error "LIBC not set"
++#endif
++
++    if (strcmp(LIBC, "musl") == 0) {
++      /*
++       * The musl library loader requires LD_LIBRARY_PATH to be set in
++       * order to correctly resolve the dependency libjava.so has on libjvm.so.
++       *
++       * Specifically, it differs from glibc in the sense that even if
++       * libjvm.so has already been loaded it will not be considered a
++       * candidate for resolving the dependency unless the *full* path
++       * of the already loaded library matches the dependency being loaded.
++       *
++       * libjvm.so is being loaded by the launcher using a long path to
++       * dlopen, not just the basename of the library. Typically this
++       * is something like "../lib/server/libjvm.so". However, if/when
++       * libjvm.so later tries to dlopen libjava.so (which it does in
++       * order to get access to a few functions implemented in
++       * libjava.so) the musl loader will, as part of loading
++       * dependent libraries, try to load libjvm.so using only its
++       * basename "libjvm.so". Since this does not match the longer
++       * path path it was first loaded with, the already loaded
++       * library is not considered a candidate, and the loader will
++       * instead look for libjvm.so elsewhere. If it's not in
++       * LD_LIBRARY_PATH the dependency load will fail, and libjava.so
++       * will therefore fail as well.
++       */
++      return JNI_TRUE;
++    }
++#endif
++
+ #ifdef AIX
+     /* We always have to set the LIBPATH on AIX because ld doesn't support $ORIGIN. */
+     return JNI_TRUE;
+--- old/jdk/src/java.base/unix/native/libnet/net_util_md.h
++++ new/jdk/src/java.base/unix/native/libnet/net_util_md.h
+@@ -27,7 +27,7 @@
+ #define NET_UTILS_MD_H
+ 
+ #include <netdb.h>
+-#include <sys/poll.h>
++#include <poll.h>
+ #include <sys/socket.h>
+ 
+ /************************************************************************
+--- old/jdk/src/java.base/unix/native/libnio/ch/NativeThread.c
++++ new/jdk/src/java.base/unix/native/libnio/ch/NativeThread.c
+@@ -36,7 +36,7 @@
+   #include <pthread.h>
+   #include <sys/signal.h>
+   /* Also defined in net/linux_close.c */
+-  #define INTERRUPT_SIGNAL (__SIGRTMAX - 2)
++  #define INTERRUPT_SIGNAL (SIGRTMAX - 2)
+ #elif _AIX
+   #include <pthread.h>
+   #include <sys/signal.h>
+--- old/jdk/src/java.desktop/unix/native/libawt_xawt/xawt/XToolkit.c
++++ new/jdk/src/java.desktop/unix/native/libawt_xawt/xawt/XToolkit.c
+@@ -27,9 +27,6 @@
+ #include <X11/Xutil.h>
+ #include <X11/Xos.h>
+ #include <X11/Xatom.h>
+-#ifdef __linux__
+-#include <execinfo.h>
+-#endif
+ 
+ #include <jvm.h>
+ #include <jni.h>
+@@ -786,26 +783,6 @@
+     }
+     return ret;
+ }
+-
+-#ifdef __linux__
+-void print_stack(void)
+-{
+-  void *array[10];
+-  size_t size;
+-  char **strings;
+-  size_t i;
+-
+-  size = backtrace (array, 10);
+-  strings = backtrace_symbols (array, size);
+-
+-  fprintf (stderr, "Obtained %zd stack frames.\n", size);
+-
+-  for (i = 0; i < size; i++)
+-     fprintf (stderr, "%s\n", strings[i]);
+-
+-  free (strings);
+-}
+-#endif
+ 
+ Window get_xawt_root_shell(JNIEnv *env) {
+   static jclass classXRootWindow = NULL;
+--- old/jdk/test/java/lang/ProcessBuilder/Basic.java
++++ new/jdk/test/java/lang/ProcessBuilder/Basic.java
+@@ -391,8 +391,8 @@
+                 if (failed != 0) throw new Error("null PATH");
+             } else if (action.equals("PATH search algorithm")) {
+                 equal(System.getenv("PATH"), "dir1:dir2:");
+-                check(new File("/bin/true").exists());
+-                check(new File("/bin/false").exists());
++                check(new File(TrueExe.path()).exists());
++                check(new File(FalseExe.path()).exists());
+                 String[] cmd = {"prog"};
+                 ProcessBuilder pb1 = new ProcessBuilder(cmd);
+                 ProcessBuilder pb2 = new ProcessBuilder(cmd);
+@@ -433,13 +433,13 @@
+                         checkPermissionDenied(pb);
+ 
+                         // continue searching if EACCES
+-                        copy("/bin/true", "dir2/prog");
++                        copy(TrueExe.path(), "dir2/prog");
+                         equal(run(pb).exitValue(), True.exitValue());
+                         new File("dir1/prog").delete();
+                         new File("dir2/prog").delete();
+ 
+                         new File("dir2/prog").mkdirs();
+-                        copy("/bin/true", "dir1/prog");
++                        copy(TrueExe.path(), "dir1/prog");
+                         equal(run(pb).exitValue(), True.exitValue());
+ 
+                         // Check empty PATH component means current directory.
+@@ -455,10 +455,10 @@
+                             pb.command(command);
+                             File prog = new File("./prog");
+                             // "Normal" binaries
+-                            copy("/bin/true", "./prog");
++                            copy(TrueExe.path(), "./prog");
+                             equal(run(pb).exitValue(),
+                                   True.exitValue());
+-                            copy("/bin/false", "./prog");
++                            copy(FalseExe.path(), "./prog");
+                             equal(run(pb).exitValue(),
+                                   False.exitValue());
+                             prog.delete();
+@@ -513,12 +513,12 @@
+                         new File("dir2/prog").delete();
+                         new File("prog").delete();
+                         new File("dir3").mkdirs();
+-                        copy("/bin/true", "dir1/prog");
+-                        copy("/bin/false", "dir3/prog");
++                        copy(TrueExe.path(), "dir1/prog");
++                        copy(FalseExe.path(), "dir3/prog");
+                         pb.environment().put("PATH","dir3");
+                         equal(run(pb).exitValue(), True.exitValue());
+-                        copy("/bin/true", "dir3/prog");
+-                        copy("/bin/false", "dir1/prog");
++                        copy(TrueExe.path(), "dir3/prog");
++                        copy(FalseExe.path(), "dir1/prog");
+                         equal(run(pb).exitValue(), False.exitValue());
+ 
+                     } finally {
+@@ -615,6 +615,13 @@
+              new File("/bin/false").exists());
+     }
+ 
++    static class BusyBox {
++        public static boolean is() { return is; }
++        private static final boolean is =
++            (! Windows.is() &&
++             new File("/bin/busybox").exists());
++    }
++
+     static class UnicodeOS {
+         public static boolean is() { return is; }
+         private static final String osName = System.getProperty("os.name");
+@@ -653,6 +660,45 @@
+         }
+     }
+ 
++    // On alpine linux, /bin/true and /bin/false are just links to /bin/busybox.
++    // Some tests copy /bin/true and /bin/false to files with a different filename.
++    // However, copying the busbox executable into a file with a different name
++    // won't result in the expected return codes. As workaround, we create
++    // executable files that can be copied and produce the exepected return
++    // values. We use this workaround, if we find the busybox executable.
++
++    private static class TrueExe {
++        public static String path() { return path; }
++        private static final String path = path0();
++        private static String path0(){
++            if (!BusyBox.is()) {
++                return "/bin/true";
++            }
++            else {
++                File trueExe = new File("true");
++                setFileContents(trueExe, "#!/bin/true\n");
++                trueExe.setExecutable(true);
++                return trueExe.getAbsolutePath();
++            }
++        }
++    }
++
++    private static class FalseExe {
++        public static String path() { return path; }
++        private static final String path = path0();
++        private static String path0(){
++            if (!BusyBox.is()) {
++                return "/bin/false";
++            }
++            else {
++                File falseExe = new File("false");
++                setFileContents(falseExe, "#!/bin/false\n");
++                falseExe.setExecutable(true);
++                return falseExe.getAbsolutePath();
++            }
++        }
++    }
++
+     static class EnglishUnix {
+         private static final Boolean is =
+             (! Windows.is() && isEnglish("LANG") && isEnglish("LC_ALL"));
+@@ -1956,7 +2002,7 @@
+             //----------------------------------------------------------------
+             try {
+                 new File("suBdiR").mkdirs();
+-                copy("/bin/true", "suBdiR/unliKely");
++                copy(TrueExe.path(), "suBdiR/unliKely");
+                 final ProcessBuilder pb =
+                     new ProcessBuilder(new String[]{"unliKely"});
+                 pb.environment().put("PATH", "suBdiR");
+--- old/jdk/test/java/lang/ProcessHandle/InfoTest.java
++++ new/jdk/test/java/lang/ProcessHandle/InfoTest.java
+@@ -293,7 +293,14 @@
+                 }
+                 if (info.command().isPresent()) {
+                     String command = info.command().get();
+-                    String expected = Platform.isWindows() ? "sleep.exe" : "sleep";
++                    String expected = "sleep";
++                    if (Platform.isWindows()) {
++                        expected = "sleep.exe";
++                    } else if (new File("/bin/busybox").exists()) {
++                        // With busybox sleep is just a sym link to busybox.
++                        // The busbox executable is seen as ProcessHandle.Info command.
++                        expected = "busybox";
++                    }
+                     Assert.assertTrue(command.endsWith(expected), "Command: expected: \'" +
+                             expected + "\', actual: " + command);
+ 
+--- old/make/ReleaseFile.gmk
++++ new/make/ReleaseFile.gmk
+@@ -50,6 +50,7 @@
+   $(call info-file-item, "IMPLEMENTOR", "$(COMPANY_NAME)")
+   $(call info-file-item, "OS_NAME", "$(RELEASE_FILE_OS_NAME)")
+   $(call info-file-item, "OS_ARCH", "$(RELEASE_FILE_OS_ARCH)")
++  $(call info-file-item, "LIBC", "musl")
+ endef
+ 
+ # Param 1 - The file containing the MODULES list
diff --git a/testing/openjdk9/ppc64le.patch b/testing/openjdk9/ppc64le.patch
new file mode 100644
index 0000000000..8995627304
--- /dev/null
+++ b/testing/openjdk9/ppc64le.patch
@@ -0,0 +1,150 @@
+--- old/hotspot/src/cpu/ppc/vm/macroAssembler_ppc.cpp
++++ new/hotspot/src/cpu/ppc/vm/macroAssembler_ppc.cpp
+@@ -1292,7 +1292,11 @@
+   // the safepoing polling page.
+   ucontext_t* uc = (ucontext_t*) ucontext;
+   // Set polling address.
++#if defined(__GLIBC__) || defined(__UCLIBC__)
+   address addr = (address)uc->uc_mcontext.regs->gpr[ra] + (ssize_t)ds;
++#else // Musl
++  address addr = (address)uc->uc_mcontext.gp_regs[ra] + (ssize_t) ds;
++#endif
+   if (polling_address_ptr != NULL) {
+     *polling_address_ptr = addr;
+   }
+@@ -1313,15 +1317,24 @@
+     int rb = inv_rb_field(instruction);
+ 
+     // look up content of ra and rb in ucontext
++#if defined(__GLIBC__) || defined(__UCLIBC__)
+     address ra_val=(address)uc->uc_mcontext.regs->gpr[ra];
+     long rb_val=(long)uc->uc_mcontext.regs->gpr[rb];
++#else // Musl
++    address ra_val=(address)uc->uc_mcontext.gp_regs[ra];
++    long rb_val=(long)uc->uc_mcontext.gp_regs[rb];
++#endif
+     return os::is_memory_serialize_page(thread, ra_val+rb_val);
+   } else if (is_stw(instruction) || is_stwu(instruction)) {
+     int ra = inv_ra_field(instruction);
+     int d1 = inv_d1_field(instruction);
+ 
+     // look up content of ra in ucontext
++#if defined(__GLIBC__) || defined(__UCLIBC__)
+     address ra_val=(address)uc->uc_mcontext.regs->gpr[ra];
++#else // Musl
++    address ra_val=(address)uc->uc_mcontext.gp_regs[ra];
++#endif
+     return os::is_memory_serialize_page(thread, ra_val+d1);
+   } else {
+     return false;
+@@ -1384,11 +1397,20 @@
+       || (is_stdu(instruction) && rs == 1)) {
+     int ds = inv_ds_field(instruction);
+     // return banged address
++#if defined(__GLIBC__) || defined(__UCLIBC__)
+     return ds+(address)uc->uc_mcontext.regs->gpr[ra];
++#else // Musl
++    return ds+(address)uc->uc_mcontext.gp_regs[ra];
++#endif
+   } else if (is_stdux(instruction) && rs == 1) {
+     int rb = inv_rb_field(instruction);
++#if defined(__GLIBC__) || defined(__UCLIBC__)
+     address sp = (address)uc->uc_mcontext.regs->gpr[1];
+     long rb_val = (long)uc->uc_mcontext.regs->gpr[rb];
++#else // Musl
++    address sp = (address)uc->uc_mcontext.gp_regs[1];
++    long rb_val = (long)uc->uc_mcontext.gp_regs[rb];
++#endif
+     return ra != 1 || rb_val >= 0 ? NULL         // not a stack bang
+                                   : sp + rb_val; // banged address
+   }
+--- old/hotspot/src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp
++++ new/hotspot/src/os_cpu/linux_ppc/vm/os_linux_ppc.cpp
+@@ -109,20 +109,34 @@
+   // - if uc was filled by getcontext(), it is undefined - getcontext() does not fill
+   //   it because the volatile registers are not needed to make setcontext() work.
+   //   Hopefully it was zero'd out beforehand.
++#if defined(__GLIBC__) || defined(__UCLIBC__)
+   guarantee(uc->uc_mcontext.regs != NULL, "only use ucontext_get_pc in sigaction context");
+   return (address)uc->uc_mcontext.regs->nip;
++#else // Musl
++  guarantee(uc->uc_mcontext.gp_regs != NULL, "only use ucontext_get_pc in sigaction context");
++  return (address)uc->uc_mcontext.gp_regs[32];
++#endif
+ }
+ 
+ // modify PC in ucontext.
+ // Note: Only use this for an ucontext handed down to a signal handler. See comment
+ // in ucontext_get_pc.
+ void os::Linux::ucontext_set_pc(ucontext_t * uc, address pc) {
++#if defined(__GLIBC__) || defined(__UCLIBC__)
+   guarantee(uc->uc_mcontext.regs != NULL, "only use ucontext_set_pc in sigaction context");
+   uc->uc_mcontext.regs->nip = (unsigned long)pc;
++#else // Musl
++  guarantee(uc->uc_mcontext.gp_regs != NULL, "only use ucontext_set_pc in sigaction context");
++  uc->uc_mcontext.gp_regs[32] = (unsigned long)pc;
++#endif
+ }
+ 
+ intptr_t* os::Linux::ucontext_get_sp(const ucontext_t * uc) {
++#if defined(__GLIBC__) || defined(__UCLIBC__)
+   return (intptr_t*)uc->uc_mcontext.regs->gpr[1/*REG_SP*/];
++#else // Musl
++  return (intptr_t*)uc->uc_mcontext.gp_regs[1/*REG_SP*/];
++#endif
+ }
+ 
+ intptr_t* os::Linux::ucontext_get_fp(const ucontext_t * uc) {
+@@ -252,7 +266,13 @@
+     // 3.2.1 "Machine State Register"), however note that ISA notation for bit
+     // numbering is MSB 0, so for normal bit numbering (LSB 0) they come to be
+     // bits 33 and 34. It's not related to endianness, just a notation matter.
++#if defined(__GLIBC__) || defined(__UCLIBC__)
+     if (second_uc->uc_mcontext.regs->msr & 0x600000000) {
++#else // Musl
++    // why 33?
++    // see comment for glibc NGREG: "r0-r31, nip, msr, lr, etc."
++    if (second_uc->uc_mcontext.gp_regs[33] & 0x600000000) {
++#endif
+       if (TraceTraps) {
+         tty->print_cr("caught signal in transaction, "
+                         "ignoring to jump to abort handler");
+@@ -557,6 +577,7 @@
+   const ucontext_t* uc = (const ucontext_t*)context;
+ 
+   st->print_cr("Registers:");
++#if defined(__GLIBC__) || defined(__UCLIBC__)
+   st->print("pc =" INTPTR_FORMAT "  ", uc->uc_mcontext.regs->nip);
+   st->print("lr =" INTPTR_FORMAT "  ", uc->uc_mcontext.regs->link);
+   st->print("ctr=" INTPTR_FORMAT "  ", uc->uc_mcontext.regs->ctr);
+@@ -565,8 +586,18 @@
+     st->print("r%-2d=" INTPTR_FORMAT "  ", i, uc->uc_mcontext.regs->gpr[i]);
+     if (i % 3 == 2) st->cr();
+   }
++#else // Musl
++  st->print("pc =" INTPTR_FORMAT "  ", uc->uc_mcontext.gp_regs[32]);
++  st->print("lr =" INTPTR_FORMAT "  ", uc->uc_mcontext.gp_regs[36]);
++  st->print("ctr=" INTPTR_FORMAT "  ", uc->uc_mcontext.gp_regs[35]);
+   st->cr();
++  for (int i = 0; i < 32; i++) {
++    st->print("r%-2d=" INTPTR_FORMAT "  ", i, uc->uc_mcontext.gp_regs[i]);
++    if (i % 3 == 2) st->cr();
++  }
++#endif
+   st->cr();
++  st->cr();
+ 
+   intptr_t *sp = (intptr_t *)os::Linux::ucontext_get_sp(uc);
+   st->print_cr("Top of Stack: (sp=" PTR_FORMAT ")", p2i(sp));
+@@ -593,7 +624,11 @@
+   // this is only for the "general purpose" registers
+   for (int i = 0; i < 32; i++) {
+     st->print("r%-2d=", i);
++#if defined(__GLIBC__) || defined(__UCLIBC__)
+     print_location(st, uc->uc_mcontext.regs->gpr[i]);
++#else // Musl
++    print_location(st, uc->uc_mcontext.gp_regs[i]);
++#endif
+   }
+   st->cr();
+ }
diff --git a/testing/openjdk9/x86.patch b/testing/openjdk9/x86.patch
new file mode 100644
index 0000000000..2ee42325df
--- /dev/null
+++ b/testing/openjdk9/x86.patch
@@ -0,0 +1,130 @@
+Only in old: build.patch
+--- old/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp
++++ new/hotspot/src/os_cpu/linux_x86/vm/os_linux_x86.cpp
+@@ -88,6 +88,126 @@
+ #define SPELL_REG_FP "ebp"
+ #endif // AMD64
+ 
++// ==============================================================================
++// Taken from glibc 2.28
++// source: https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/x86/fpu_control.h;h=4cb98c5679b2897ff4e5826d228cba6be589e24d;hb=3c03baca37fdcb52c3881e653ca392bba7a99c2b
++// ==============================================================================
++#ifndef AMD64
++/* FPU control word bits.  x86 version.
++   Copyright (C) 1993-2018 Free Software Foundation, Inc.
++   This file is part of the GNU C Library.
++   Contributed by Olaf Flebbe.
++
++   The GNU C Library is free software; you can redistribute it and/or
++   modify it under the terms of the GNU Lesser General Public
++   License as published by the Free Software Foundation; either
++   version 2.1 of the License, or (at your option) any later version.
++
++   The GNU C Library is distributed in the hope that it will be useful,
++   but WITHOUT ANY WARRANTY; without even the implied warranty of
++   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
++   Lesser General Public License for more details.
++
++   You should have received a copy of the GNU Lesser General Public
++   License along with the GNU C Library; if not, see
++   <http://www.gnu.org/licenses/>.  */
++
++#ifndef _FPU_CONTROL_H
++#define _FPU_CONTROL_H	1
++
++/* Note that this file sets on x86-64 only the x87 FPU, it does not
++   touch the SSE unit.  */
++
++/* Here is the dirty part. Set up your 387 through the control word
++ * (cw) register.
++ *
++ *     15-13    12  11-10  9-8     7-6     5    4    3    2    1    0
++ * | reserved | IC | RC  | PC | reserved | PM | UM | OM | ZM | DM | IM
++ *
++ * IM: Invalid operation mask
++ * DM: Denormalized operand mask
++ * ZM: Zero-divide mask
++ * OM: Overflow mask
++ * UM: Underflow mask
++ * PM: Precision (inexact result) mask
++ *
++ * Mask bit is 1 means no interrupt.
++ *
++ * PC: Precision control
++ * 11 - round to extended precision
++ * 10 - round to double precision
++ * 00 - round to single precision
++ *
++ * RC: Rounding control
++ * 00 - rounding to nearest
++ * 01 - rounding down (toward - infinity)
++ * 10 - rounding up (toward + infinity)
++ * 11 - rounding toward zero
++ *
++ * IC: Infinity control
++ * That is for 8087 and 80287 only.
++ *
++ * The hardware default is 0x037f which we use.
++ */
++
++#include <features.h>
++
++/* masking of interrupts */
++#define _FPU_MASK_IM  0x01
++#define _FPU_MASK_DM  0x02
++#define _FPU_MASK_ZM  0x04
++#define _FPU_MASK_OM  0x08
++#define _FPU_MASK_UM  0x10
++#define _FPU_MASK_PM  0x20
++
++/* precision control */
++#define _FPU_EXTENDED 0x300	/* libm requires double extended precision.  */
++#define _FPU_DOUBLE   0x200
++#define _FPU_SINGLE   0x0
++
++/* rounding control */
++#define _FPU_RC_NEAREST 0x0    /* RECOMMENDED */
++#define _FPU_RC_DOWN    0x400
++#define _FPU_RC_UP      0x800
++#define _FPU_RC_ZERO    0xC00
++
++#define _FPU_RESERVED 0xF0C0  /* Reserved bits in cw */
++
++
++/* The fdlibm code requires strict IEEE double precision arithmetic,
++   and no interrupts for exceptions, rounding to nearest.  */
++
++#define _FPU_DEFAULT  0x037f
++
++/* IEEE:  same as above.  */
++#define _FPU_IEEE     0x037f
++
++/* Type of the control word.  */
++typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__HI__)));
++
++/* Macros for accessing the hardware control word.  "*&" is used to
++   work around a bug in older versions of GCC.  __volatile__ is used
++   to support combination of writing the control register and reading
++   it back.  Without __volatile__, the old value may be used for reading
++   back under compiler optimization.
++
++   Note that the use of these macros is not sufficient anymore with
++   recent hardware nor on x86-64.  Some floating point operations are
++   executed in the SSE/SSE2 engines which have their own control and
++   status register.  */
++#define _FPU_GETCW(cw) __asm__ __volatile__ ("fnstcw %0" : "=m" (*&cw))
++#define _FPU_SETCW(cw) __asm__ __volatile__ ("fldcw %0" : : "m" (*&cw))
++
++/* Default control word set at startup.  */
++extern fpu_control_t __fpu_control;
++
++#endif	/* fpu_control.h */
++
++#endif // AMD64
++// ==============================================================================
++// ==============================================================================
++// ==============================================================================
++
+ address os::current_stack_pointer() {
+ #ifdef SPARC_WORKS
+   register void *esp;