7039182: PPC: NIO: java.io.IOException: Invalid argument in sun.nio.ch.FileDispatcherImpl.read0

Summary: Allow platform specific files to be located at build time instead of generating them
Reviewed-by: alanb, ohair

make/common/Defs-embedded.gmk

@@ -60,5 +60,10 @@ ifeq ($(PLATFORM), linux)
   endif
 endif
 
+# NIO Platform specific source file location
+ifdef CROSS_COMPILE_ARCH
+  NIO_PLATFORM_CLASSES_ROOT_DIR = $(CLOSED_PLATFORM_SRC)/classes/
+endif
+
 endif # JAVASE_EMBEDDED
 

make/java/nio/Makefile

@@ -820,14 +820,19 @@ $(TEMPDIR)/$(GENSOR_SRC) : $(GENSOR_SRC)
 
 $(GENSOR_EXE) : $(TEMPDIR)/$(GENSOR_SRC)
 	$(prep-target)
-	($(CD) $(TEMPDIR); $(HOST_CC) $(CPPFLAGS) $(LDDFLAGS) \
+	($(CD) $(TEMPDIR); $(CC) $(CPPFLAGS) $(LDDFLAGS) \
 	   -o genSocketOptionRegistry$(EXE_SUFFIX) $(GENSOR_SRC))
 
+ifdef NIO_PLATFORM_CLASSES_ROOT_DIR
+$(SCH_GEN)/SocketOptionRegistry.java: $(NIO_PLATFORM_CLASSES_ROOT_DIR)/sun/nio/ch/SocketOptionRegistry-$(PLATFORM)-$(ARCH).java
+	$(prep-target)
+	$(CP) $< $@
+else 
 $(SCH_GEN)/SocketOptionRegistry.java: $(GENSOR_EXE)
 	$(prep-target)
 	NAWK="$(NAWK)" SH="$(SH)" $(SH) -e addNotices.sh "$(SOR_COPYRIGHT_YEARS)" > $@
 	$(GENSOR_EXE) >> $@
-
+endif
 #
 # Generated sun.nio.cs SingleByte classes
 #
@@ -851,12 +856,18 @@ GENUC_COPYRIGHT_YEARS = $(shell $(CAT) $(GENUC_SRC) | \
 
 $(GENUC_EXE) : $(GENUC_SRC)
 	$(prep-target)
-	$(HOST_CC) $(CPPFLAGS) -o $@ $(GENUC_SRC)
+	$(CC) $(CPPFLAGS) -o $@ $(GENUC_SRC)
 
+ifdef NIO_PLATFORM_CLASSES_ROOT_DIR
+$(SFS_GEN)/UnixConstants.java: $(NIO_PLATFORM_CLASSES_ROOT_DIR)/sun/nio/fs/UnixConstants-$(PLATFORM)-$(ARCH).java
+	$(prep-target)
+	$(CP) $< $@
+else
 $(SFS_GEN)/UnixConstants.java: $(GENUC_EXE)
 	$(prep-target)
 	NAWK="$(NAWK)" SH="$(SH)" $(SH) -e addNotices.sh "$(GENUC_COPYRIGHT_YEARS)" > $@
 	$(GENUC_EXE) >> $@
+endif
 
 GENSC_SRC = $(PLATFORM_SRC)/native/sun/nio/fs/genSolarisConstants.c
 
@@ -867,11 +878,17 @@ GENSC_COPYRIGHT_YEARS = $(shell $(CAT) $(GENSC_SRC) | \
 
 $(GENSC_EXE) : $(GENSC_SRC)
 	$(prep-target)
-	$(HOST_CC) $(CPPFLAGS) -o $@ $(GENSC_SRC)
+	$(CC) $(CPPFLAGS) -o $@ $(GENSC_SRC)
 
+ifdef NIO_PLATFORM_CLASSES_ROOT_DIR
+$(SFS_GEN)/SolarisConstants.java: $(NIO_PLATFORM_CLASSES_ROOT_DIR)/sun/nio/fs/SolarisConstants-$(PLATFORM)-$(ARCH).java
+	$(prep-target)
+	$(CP) $< $@
+else
 $(SFS_GEN)/SolarisConstants.java: $(GENSC_EXE)
 	$(prep-target)
 	NAWK="$(NAWK)" SH="$(SH)" $(SH) -e addNotices.sh "$(GENSC_COPYRIGHT_YEARS)" > $@
 	$(GENSC_EXE) >> $@
+endif
 
 .PHONY: sources