backport mmap patch to fix ia64 on spidermonkey-17

(Portage version: 2.2.7/cvs/Linux x86_64, signed Manifest commit with key 2B6559ED)

3 files changed, 198 insertions, 1 deletions

diff --git a/dev-lang/spidermonkey/ChangeLog b/dev-lang/spidermonkey/ChangeLog
index 7794ec0e09fe..48a4070ee721 100644
--- a/dev-lang/spidermonkey/ChangeLog
+++ b/dev-lang/spidermonkey/ChangeLog
@@ -1,6 +1,12 @@
 # ChangeLog for dev-lang/spidermonkey
 # Copyright 1999-2014 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/dev-lang/spidermonkey/ChangeLog,v 1.132 2014/01/06 20:18:19 axs Exp $
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/spidermonkey/ChangeLog,v 1.133 2014/01/20 16:39:52 axs Exp $
+
+*spidermonkey-17.0.0-r2 (20 Jan 2014)
+
+  20 Jan 2014; Ian Stakenvicius <axs@gentoo.org>
+  +files/spidermonkey-17-ia64-mmap.patch, +spidermonkey-17.0.0-r2.ebuild:
+  backport mmap patch to fix ia64 on spidermonkey-17
 
 *spidermonkey-24.2.0 (06 Jan 2014)
 
diff --git a/dev-lang/spidermonkey/files/spidermonkey-17-ia64-mmap.patch b/dev-lang/spidermonkey/files/spidermonkey-17-ia64-mmap.patch
new file mode 100644
index 000000000000..7adbd118d408
--- /dev/null
+++ b/dev-lang/spidermonkey/files/spidermonkey-17-ia64-mmap.patch
@@ -0,0 +1,67 @@
+--- a/js/src/gc/Memory.cpp	2013-02-11 17:33:22.000000000 -0500
++++ b/js/src/gc/Memory.cpp	2014-01-08 12:36:29.406851422 -0500
+@@ -302,10 +302,46 @@
+ void
+ InitMemorySubsystem()
+ {
++#if !defined(__ia64__)
+     if (size_t(sysconf(_SC_PAGESIZE)) != PageSize)
+         MOZ_CRASH();
++#endif
+ }
+ 
++static inline void *
++MapMemory(size_t length, int prot, int flags, int fd, off_t offset)
++{
++#if defined(__ia64__)
++    /*
++     * The JS engine assumes that all allocated pointers have their high 17 bits clear,
++     * which ia64's mmap doesn't support directly. However, we can emulate it by passing
++     * mmap an "addr" parameter with those bits clear. The mmap will return that address,
++     * or the nearest available memory above that address, providing a near-guarantee
++     * that those bits are clear. If they are not, we return NULL below to indicate
++     * out-of-memory.
++     *
++     * The addr is chosen as 0x0000070000000000, which still allows about 120TB of virtual
++     * address space.
++     *
++     * See Bug 589735 for more information.
++     */
++    void *region = mmap((void*)0x0000070000000000, length, prot, flags, fd, offset);
++    if (region == MAP_FAILED)
++        return MAP_FAILED;
++    /*
++     * If the allocated memory doesn't have its upper 17 bits clear, consider it
++     * as out of memory.
++     */
++    if ((uintptr_t(region) + (length - 1)) & 0xffff800000000000) {
++        JS_ALWAYS_TRUE(0 == munmap(region, length));
++        return MAP_FAILED;
++    }
++    return region;
++#else
++    return mmap(NULL, length, prot, flags, fd, offset);
++#endif
++}
++
+ void *
+ MapAlignedPages(size_t size, size_t alignment)
+ {
+@@ -319,12 +353,15 @@
+ 
+     /* Special case: If we want page alignment, no further work is needed. */
+     if (alignment == PageSize) {
+-        return mmap(NULL, size, prot, flags, -1, 0);
++        void *region = MapMemory(size, prot, flags, -1, 0);
++        if (region == MAP_FAILED)
++            return NULL;
++        return region;
+     }
+ 
+     /* Overallocate and unmap the region's edges. */
+     size_t reqSize = Min(size + 2 * alignment, 2 * size);
+-    void *region = mmap(NULL, reqSize, prot, flags, -1, 0);
++    void *region = MapMemory(reqSize, prot, flags, -1, 0);
+     if (region == MAP_FAILED)
+         return NULL;
+ 
diff --git a/dev-lang/spidermonkey/spidermonkey-17.0.0-r2.ebuild b/dev-lang/spidermonkey/spidermonkey-17.0.0-r2.ebuild
new file mode 100644
index 000000000000..e86c20c918f3
--- /dev/null
+++ b/dev-lang/spidermonkey/spidermonkey-17.0.0-r2.ebuild
@@ -0,0 +1,124 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/dev-lang/spidermonkey/spidermonkey-17.0.0-r2.ebuild,v 1.1 2014/01/20 16:39:52 axs Exp $
+
+EAPI="5"
+WANT_AUTOCONF="2.1"
+PYTHON_COMPAT=( python2_{6,7} )
+PYTHON_REQ_USE="threads"
+inherit eutils toolchain-funcs multilib python-any-r1 versionator pax-utils
+
+MY_PN="mozjs"
+MY_P="${MY_PN}${PV}"
+DESCRIPTION="Stand-alone JavaScript C library"
+HOMEPAGE="http://www.mozilla.org/js/spidermonkey/"
+SRC_URI="http://ftp.mozilla.org/pub/mozilla.org/js/${MY_PN}${PV}.tar.gz"
+
+LICENSE="NPL-1.1"
+SLOT="17"
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 -mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~x86-fbsd"
+IUSE="debug jit minimal static-libs test"
+
+REQUIRED_USE="debug? ( jit )"
+RESTRICT="ia64? ( test )"
+
+S="${WORKDIR}/${MY_P}"
+BUILDDIR="${S}/js/src"
+
+RDEPEND=">=dev-libs/nspr-4.9.4
+	virtual/libffi"
+DEPEND="${RDEPEND}
+	${PYTHON_DEPS}
+	app-arch/zip
+	virtual/pkgconfig"
+
+pkg_setup(){
+	if [[ ${MERGE_TYPE} != "binary" ]]; then
+		python-any-r1_pkg_setup
+		export LC_ALL="C"
+	fi
+}
+
+src_prepare() {
+	epatch "${FILESDIR}"/${PN}-${SLOT}-js-config-shebang.patch
+	epatch "${FILESDIR}"/${PN}-${SLOT}-ia64-mmap.patch
+	epatch_user
+
+	if [[ ${CHOST} == *-freebsd* ]]; then
+		# Don't try to be smart, this does not work in cross-compile anyway
+		ln -sfn "${BUILDDIR}/config/Linux_All.mk" "${S}/config/$(uname -s)$(uname -r).mk" || die
+	fi
+}
+
+src_configure() {
+	cd "${BUILDDIR}" || die
+
+	CC="$(tc-getCC)" CXX="$(tc-getCXX)" \
+	AR="$(tc-getAR)" RANLIB="$(tc-getRANLIB)" \
+	LD="$(tc-getLD)" \
+	econf \
+		${myopts} \
+		--enable-jemalloc \
+		--enable-readline \
+		--enable-threadsafe \
+		--with-system-nspr \
+		--enable-system-ffi \
+		--enable-jemalloc \
+		$(use_enable debug) \
+		$(use_enable jit tracejit) \
+		$(use_enable jit methodjit) \
+		$(use_enable static-libs static) \
+		$(use_enable test tests)
+}
+
+src_compile() {
+	cd "${BUILDDIR}" || die
+	if tc-is-cross-compiler; then
+		make CFLAGS="" CXXFLAGS="" \
+			CC=$(tc-getBUILD_CC) CXX=$(tc-getBUILD_CXX) \
+			AR=$(tc-getBUILD_AR) RANLIB=$(tc-getBUILD_RANLIB) \
+			jscpucfg host_jsoplengen host_jskwgen || die
+		make CFLAGS="" CXXFLAGS="" \
+			CC=$(tc-getBUILD_CC) CXX=$(tc-getBUILD_CXX) \
+			AR=$(tc-getBUILD_AR) RANLIB=$(tc-getBUILD_RANLIB) \
+			-C config nsinstall || die
+		mv {,native-}jscpucfg || die
+		mv {,native-}host_jskwgen || die
+		mv {,native-}host_jsoplengen || die
+		mv config/{,native-}nsinstall || die
+		sed -e 's@./jscpucfg@./native-jscpucfg@' \
+			-e 's@./host_jskwgen@./native-host_jskwgen@' \
+			-e 's@./host_jsoplengen@./native-host_jsoplengen@' \
+			-i Makefile || die
+		sed -e 's@/nsinstall@/native-nsinstall@' -i config/config.mk || die
+		rm -f config/host_nsinstall.o \
+			config/host_pathsub.o \
+			host_jskwgen.o \
+			host_jsoplengen.o || die
+	fi
+	emake
+}
+
+src_test() {
+	cd "${BUILDDIR}/jsapi-tests" || die
+	emake check
+}
+
+src_install() {
+	cd "${BUILDDIR}" || die
+	emake DESTDIR="${D}" install
+
+	if ! use minimal; then
+		if use jit; then
+			pax-mark m "${ED}/usr/bin/js${SLOT}"
+		fi
+	else
+		rm -f "${ED}/usr/bin/js${SLOT}"
+	fi
+
+	if ! use static-libs; then
+		# We can't actually disable building of static libraries
+		# They're used by the tests and in a few other places
+		find "${D}" -iname '*.a' -delete || die
+	fi
+}