java/openjdk11: add powerpc64le support

This mostly adds powerpc64le in places where there's only powerpc64.

PR:		251263
Approved by:	java (maintainer timeout)

5 files changed, 58 insertions, 4 deletions

diff --git a/java/openjdk11/Makefile b/java/openjdk11/Makefile
index 1d29a5a0cf9b..79343bf50bec 100644
--- a/java/openjdk11/Makefile
+++ b/java/openjdk11/Makefile
@@ -12,7 +12,7 @@ COMMENT?=	Java Development Kit ${JDK_MAJOR_VERSION}
 
 LICENSE=	GPLv2
 
-ONLY_FOR_ARCHS=	amd64 i386 powerpc64
+ONLY_FOR_ARCHS=	amd64 i386 powerpc64 powerpc64le
 
 BUILD_DEPENDS=	zip:archivers/zip \
 		autoconf>0:devel/autoconf \
@@ -147,11 +147,11 @@ CONFIGURE_ARGS+=	--with-extra-ldflags="-Wl,-rpath=${LOCALBASE}/lib/gcc${GCC_DEFA
 MAKE_ENV+=	USE_CLANG=true
 .endif
 
-.if ${ARCH} == aarch64 || ${ARCH} == powerpc64
+.if ${ARCH} == aarch64 || ${ARCH:Mpowerpc64*}
 CONFIGURE_ARGS+=	--disable-warnings-as-errors \
 			--disable-dtrace
 .endif
-.if defined(PPC_ABI) && ${PPC_ABI} == ELFv2
+.if (defined(PPC_ABI) && ${PPC_ABI} == ELFv2) || ${ARCH} == powerpc64le
 CONFIGURE_ARGS+=	--disable-precompiled-headers
 .endif
 .if ${ARCH} != amd64
diff --git a/java/openjdk11/files/patch-make_autoconf_flags-cflags.m4 b/java/openjdk11/files/patch-make_autoconf_flags-cflags.m4
index 5156c18515da..1824747bfced 100644
--- a/java/openjdk11/files/patch-make_autoconf_flags-cflags.m4
+++ b/java/openjdk11/files/patch-make_autoconf_flags-cflags.m4
@@ -1,12 +1,16 @@
 --- make/autoconf/flags-cflags.m4.orig	2020-01-08 09:12:31 UTC
 +++ make/autoconf/flags-cflags.m4
-@@ -770,6 +770,10 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
+@@ -770,6 +770,14 @@ AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
          # for all archs except arm and ppc, prevent gcc to omit frame pointer
          $1_CFLAGS_CPU_JDK="${$1_CFLAGS_CPU_JDK} -fno-omit-frame-pointer"
        fi
 +    elif test "x$OPENJDK_TARGET_OS_ENV" = xbsd.freebsd; then
 +        if test "x$FLAGS_CPU" = xppc64; then
 +            $1_CFLAGS_CPU_JVM="${$1_CFLAGS_CPU_JVM} -DABI_ELFv2 -mcpu=powerpc64 -mtune=power5"
++        elif test "x$FLAGS_CPU" = xppc64le; then
++            # Little endian machine uses ELFv2 ABI.
++            # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI.
++            $1_CFLAGS_CPU_JVM="${$1_CFLAGS_CPU_JVM} -DABI_ELFv2 -mcpu=power8 -mtune=power8"
 +        fi
      fi
  
diff --git a/java/openjdk11/files/patch-src_hotspot_os__cpu_bsd__ppc_bytes__bsd__ppc.inline.hpp b/java/openjdk11/files/patch-src_hotspot_os__cpu_bsd__ppc_bytes__bsd__ppc.inline.hpp
new file mode 100644
index 000000000000..7be8e0a13a90
--- /dev/null
+++ b/java/openjdk11/files/patch-src_hotspot_os__cpu_bsd__ppc_bytes__bsd__ppc.inline.hpp
@@ -0,0 +1,20 @@
+--- src/hotspot/os_cpu/bsd_ppc/bytes_bsd_ppc.inline.hpp.orig	2020-11-19 20:56:24 UTC
++++ src/hotspot/os_cpu/bsd_ppc/bytes_bsd_ppc.inline.hpp
+@@ -27,13 +27,13 @@
+ #define OS_CPU_BSD_PPC_VM_BYTES_BSD_PPC_INLINE_HPP
+ 
+ #if defined(VM_LITTLE_ENDIAN)
+-#include <byteswap.h>
++#include <sys/endian.h>
+ 
+ // Efficient swapping of data bytes from Java byte
+ // ordering to native byte ordering and vice versa.
+-inline u2 Bytes::swap_u2(u2 x) { return bswap_16(x); }
+-inline u4 Bytes::swap_u4(u4 x) { return bswap_32(x); }
+-inline u8 Bytes::swap_u8(u8 x) { return bswap_64(x); }
++inline u2 Bytes::swap_u2(u2 x) { return bswap16(x); }
++inline u4 Bytes::swap_u4(u4 x) { return bswap32(x); }
++inline u8 Bytes::swap_u8(u8 x) { return bswap64(x); }
+ #endif // VM_LITTLE_ENDIAN
+ 
+ #endif // OS_CPU_BSD_PPC_VM_BYTES_BSD_PPC_INLINE_HPP
diff --git a/java/openjdk11/files/patch-src_jdk.hotspot.agent_bsd_native_libsaproc_BsdDebuggerLocal.c b/java/openjdk11/files/patch-src_jdk.hotspot.agent_bsd_native_libsaproc_BsdDebuggerLocal.c
new file mode 100644
index 000000000000..5eae465a0727
--- /dev/null
+++ b/java/openjdk11/files/patch-src_jdk.hotspot.agent_bsd_native_libsaproc_BsdDebuggerLocal.c
@@ -0,0 +1,20 @@
+--- src/jdk.hotspot.agent/bsd/native/libsaproc/BsdDebuggerLocal.c.orig	2020-11-19 21:24:03 UTC
++++ src/jdk.hotspot.agent/bsd/native/libsaproc/BsdDebuggerLocal.c
+@@ -42,7 +42,7 @@
+ #include "sun_jvm_hotspot_debugger_sparc_SPARCThreadContext.h"
+ #endif
+ 
+-#ifdef ppc64
++#if defined(ppc64) || defined(ppc64le)
+ #include "sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext.h"
+ #endif
+ 
+@@ -373,7 +373,7 @@ JNIEXPORT jlongArray JNICALL Java_sun_jvm_hotspot_debu
+ #if defined(sparc) || defined(sparcv9)
+ #define NPRGREG sun_jvm_hotspot_debugger_sparc_SPARCThreadContext_NPRGREG
+ #endif
+-#ifdef ppc64
++#if defined(ppc64) || defined(ppc64le)
+ #define NPRGREG sun_jvm_hotspot_debugger_ppc64_PPC64ThreadContext_NPRGREG
+ #endif
+ #ifdef aarch64
diff --git a/java/openjdk11/files/patch-src_utils_hsdis_Makefile b/java/openjdk11/files/patch-src_utils_hsdis_Makefile
new file mode 100644
index 000000000000..1c6cfb2f28db
--- /dev/null
+++ b/java/openjdk11/files/patch-src_utils_hsdis_Makefile
@@ -0,0 +1,10 @@
+--- src/utils/hsdis/Makefile.orig	2020-11-19 21:27:40 UTC
++++ src/utils/hsdis/Makefile
+@@ -143,6 +143,7 @@ ifdef LP64
+ CFLAGS/sparcv9  += -m64
+ CFLAGS/amd64    += -m64
+ CFLAGS/ppc64    += -m64
++CFLAGS/ppc64le  += -m64 -DABI_ELFv2
+ else # LP64
+ ARCH=$(ARCH2:amd64=i386)
+ ifneq ($(findstring arm,$(ARCH)),)