6953477: Increase portability and flexibility of building Hotspot

Summary: A collection of portability improvements including shared code support for PPC, ARM platforms, software floating point, cross compilation support and improvements in error crash detail.
Reviewed-by: phh, never, coleenp, dholmes

11 files changed, 126 insertions, 28 deletions

diff --git a/make/Makefile b/make/Makefile
index 130a73cdb..6bfb16a11 100644
--- a/make/Makefile
+++ b/make/Makefile
@@ -90,9 +90,15 @@ ZERO_VM_TARGETS=productzero fastdebugzero optimizedzero jvmgzero
 JDK_DIRS=bin include jre lib demo
 
 all:           all_product all_fastdebug
+ifndef BUILD_CLIENT_ONLY
 all_product:   product product1 productkernel docs export_product
 all_fastdebug: fastdebug fastdebug1 fastdebugkernel docs export_fastdebug
 all_debug:     jvmg jvmg1 jvmgkernel docs export_debug
+else
+all_product:   product1 docs export_product
+all_fastdebug: fastdebug1 docs export_fastdebug
+all_debug:     jvmg1 docs export_debug
+endif
 all_optimized: optimized optimized1 optimizedkernel docs export_optimized
 
 allzero:           all_productzero all_fastdebugzero
@@ -295,6 +301,8 @@ $(EXPORT_JRE_LIB_ARCH_DIR)/%.so: $(ZERO_DIR)/%.so
 $(EXPORT_SERVER_DIR)/%.so:       $(ZERO_DIR)/%.so
 	$(install-file)
   else
+$(EXPORT_JRE_LIB_ARCH_DIR)/%.so: $(C1_DIR)/%.so
+	$(install-file)
 $(EXPORT_JRE_LIB_ARCH_DIR)/%.so: $(C2_DIR)/%.so
 	$(install-file)
 $(EXPORT_CLIENT_DIR)/%.so:       $(C1_DIR)/%.so
diff --git a/make/defs.make b/make/defs.make
index be4eda0f1..528d9405b 100644
--- a/make/defs.make
+++ b/make/defs.make
@@ -192,13 +192,16 @@ ifneq ($(OSNAME),windows)
 
   # Use uname output for SRCARCH, but deal with platform differences. If ARCH
   # is not explicitly listed below, it is treated as x86. 
-  SRCARCH     = $(ARCH/$(filter sparc sparc64 ia64 amd64 x86_64 zero,$(ARCH)))
+  SRCARCH     = $(ARCH/$(filter sparc sparc64 ia64 amd64 x86_64 arm ppc zero,$(ARCH)))
   ARCH/       = x86
   ARCH/sparc  = sparc
   ARCH/sparc64= sparc
   ARCH/ia64   = ia64
   ARCH/amd64  = x86
   ARCH/x86_64 = x86
+  ARCH/ppc64  = ppc
+  ARCH/ppc    = ppc
+  ARCH/arm    = arm
   ARCH/zero   = zero
 
   # BUILDARCH is usually the same as SRCARCH, except for sparcv9
@@ -223,6 +226,9 @@ ifneq ($(OSNAME),windows)
   LIBARCH/sparc   = sparc
   LIBARCH/sparcv9 = sparcv9
   LIBARCH/ia64    = ia64
+  LIBARCH/ppc64   = ppc
+  LIBARCH/ppc     = ppc
+  LIBARCH/arm     = arm
   LIBARCH/zero    = $(ZERO_LIBARCH)
 
   LP64_ARCH = sparcv9 amd64 ia64 zero
diff --git a/make/linux/makefiles/build_vm_def.sh b/make/linux/makefiles/build_vm_def.sh
index 51a07b9bf..2b6f906ee 100644
--- a/make/linux/makefiles/build_vm_def.sh
+++ b/make/linux/makefiles/build_vm_def.sh
@@ -1,5 +1,12 @@
 #!/bin/sh
 
-nm --defined-only $* | awk '
+# If we're cross compiling use that path for nm
+if [ "$ALT_COMPILER_PATH" != "" ]; then 
+NM=$ALT_COMPILER_PATH/nm
+else
+NM=nm
+fi
+
+$NM --defined-only $* | awk '
    { if ($3 ~ /^_ZTV/ || $3 ~ /^gHotSpotVM/) print "\t" $3 ";" }
    '
diff --git a/make/linux/makefiles/buildtree.make b/make/linux/makefiles/buildtree.make
index b7ce6513c..af34617f4 100644
--- a/make/linux/makefiles/buildtree.make
+++ b/make/linux/makefiles/buildtree.make
@@ -339,12 +339,16 @@ JAVA_FLAG/64 = -d64
 WRONG_DATA_MODE_MSG = \
 	echo "JAVA_HOME must point to $(DATA_MODE)bit JDK."
 
+CROSS_COMPILING_MSG = \
+	echo "Cross compiling for ARCH $(CROSS_COMPILE_ARCH), skipping gamma run."
+
 test_gamma:  $(BUILDTREE_MAKE) $(GAMMADIR)/make/test/Queens.java
 	@echo Creating $@ ...
 	$(QUIETLY) ( \
 	echo '#!/bin/sh'; \
 	$(BUILDTREE_COMMENT); \
 	echo '. ./env.sh'; \
+	echo "if [ \"$(CROSS_COMPILE_ARCH)\" != \"\" ]; then { $(CROSS_COMPILING_MSG); exit 0; }; fi"; \
 	echo "if [ -z \$$JAVA_HOME ]; then { $(NO_JAVA_HOME_MSG); exit 0; }; fi"; \
 	echo "if ! \$${JAVA_HOME}/bin/java $(JAVA_FLAG) -fullversion 2>&1 > /dev/null"; \
 	echo "then"; \
diff --git a/make/linux/makefiles/defs.make b/make/linux/makefiles/defs.make
index 29ef407ad..561f7f581 100644
--- a/make/linux/makefiles/defs.make
+++ b/make/linux/makefiles/defs.make
@@ -98,6 +98,22 @@ ifeq ($(ARCH), i686)
   HS_ARCH          = x86
 endif
 
+# ARM
+ifeq ($(ARCH), arm)
+  ARCH_DATA_MODEL  = 32
+  PLATFORM         = linux-arm
+  VM_PLATFORM      = linux_arm
+  HS_ARCH          = arm
+endif
+
+# PPC
+ifeq ($(ARCH), ppc)
+  ARCH_DATA_MODEL  = 32
+  PLATFORM         = linux-ppc
+  VM_PLATFORM      = linux_ppc
+  HS_ARCH          = ppc
+endif
+
 JDK_INCLUDE_SUBDIR=linux
 
 # FIXUP: The subdirectory for a debug build is NOT the same on all platforms
@@ -107,22 +123,32 @@ EXPORT_LIST += $(EXPORT_DOCS_DIR)/platform/jvmti/jvmti.html
 
 # client and server subdirectories have symbolic links to ../libjsig.so
 EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.so
-
 EXPORT_SERVER_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/server
+
+ifndef BUILD_CLIENT_ONLY
 EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
 EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.so
+endif
+
 ifneq ($(ZERO_BUILD), true)
   ifeq ($(ARCH_DATA_MODEL), 32)
     EXPORT_CLIENT_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/client
     EXPORT_LIST += $(EXPORT_CLIENT_DIR)/Xusage.txt
     EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.so 
-    EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.so
-    EXPORT_LIST += $(EXPORT_LIB_DIR)/sa-jdi.jar 
-  else
-    ifeq ($(ARCH),ia64)
-      else
-        EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.so
-        EXPORT_LIST += $(EXPORT_LIB_DIR)/sa-jdi.jar
-    endif
   endif
 endif
+
+# Serviceability Binaries
+# No SA Support for PPC, IA64, ARM or zero
+ADD_SA_BINARIES/x86   = $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.so \
+                        $(EXPORT_LIB_DIR)/sa-jdi.jar 
+ADD_SA_BINARIES/sparc = $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.so \
+                        $(EXPORT_LIB_DIR)/sa-jdi.jar 
+ADD_SA_BINARIES/ppc   = 
+ADD_SA_BINARIES/ia64  = 
+ADD_SA_BINARIES/arm   = 
+ADD_SA_BINARIES/zero  = 
+
+EXPORT_LIST += $(ADD_SA_BINARIES/$(HS_ARCH))
+
+
diff --git a/make/linux/makefiles/gcc.make b/make/linux/makefiles/gcc.make
index e7ed00e91..4b35ae535 100644
--- a/make/linux/makefiles/gcc.make
+++ b/make/linux/makefiles/gcc.make
@@ -25,8 +25,14 @@
 #------------------------------------------------------------------------
 # CC, CPP & AS
 
+ifdef ALT_COMPILER_PATH
+CPP = $(ALT_COMPILER_PATH)/g++
+CC  = $(ALT_COMPILER_PATH)/gcc
+else
 CPP = g++
 CC  = gcc
+endif
+
 AS  = $(CC) -c
 
 # -dumpversion in gcc-2.91 shows "egcs-2.91.66". In later version, it only
@@ -67,18 +73,31 @@ ARCHFLAG/amd64   = -m64
 ARCHFLAG/ia64    =
 ARCHFLAG/sparc   = -m32 -mcpu=v9
 ARCHFLAG/sparcv9 = -m64 -mcpu=v9
+ARCHFLAG/arm     =  -fsigned-char
 ARCHFLAG/zero    = $(ZERO_ARCHFLAG)
+ifndef E500V2
+ARCHFLAG/ppc     =  -mcpu=powerpc
+endif
 
 CFLAGS     += $(ARCHFLAG)
 AOUT_FLAGS += $(ARCHFLAG)
 LFLAGS     += $(ARCHFLAG)
 ASFLAGS    += $(ARCHFLAG)
 
+ifdef E500V2
+CFLAGS += -DE500V2
+endif
+
 # Use C++ Interpreter
 ifdef CC_INTERP
   CFLAGS += -DCC_INTERP
 endif
 
+# Build for embedded targets
+ifdef JAVASE_EMBEDDED
+  CFLAGS += -DJAVASE_EMBEDDED
+endif
+
 # Keep temporary files (.ii, .s)
 ifdef NEED_ASM
   CFLAGS += -save-temps
@@ -171,6 +190,8 @@ AOUT_FLAGS += -export-dynamic
 # Note: The Itanium gcc compiler crashes when using -gstabs.
 DEBUG_CFLAGS/ia64  = -g
 DEBUG_CFLAGS/amd64 = -g
+DEBUG_CFLAGS/arm   = -g
+DEBUG_CFLAGS/ppc   = -g
 DEBUG_CFLAGS += $(DEBUG_CFLAGS/$(BUILDARCH))
 ifeq ($(DEBUG_CFLAGS/$(BUILDARCH)),)
 DEBUG_CFLAGS += -gstabs
@@ -181,3 +202,15 @@ ifeq ($(DEBUG_BINARIES), true)
   DEBUG_CFLAGS = -g
   CFLAGS += $(DEBUG_CFLAGS)
 endif
+
+# If we are building HEADLESS, pass on to VM
+# so it can set the java.awt.headless property
+ifdef HEADLESS
+CFLAGS += -DHEADLESS
+endif
+
+# We are building Embedded for a small device
+# favor code space over speed
+ifdef MINIMIZE_RAM_USAGE
+CFLAGS += -DMINIMIZE_RAM_USAGE
+endif
diff --git a/make/linux/makefiles/product.make b/make/linux/makefiles/product.make
index 82ed58a1f..ff768b6a6 100644
--- a/make/linux/makefiles/product.make
+++ b/make/linux/makefiles/product.make
@@ -46,7 +46,11 @@ VERSION = optimized
 
 # use -g to strip library as -x will discard its symbol table; -x is fine for
 # executables.
-STRIP = strip
+ifdef CROSS_COMPILE_ARCH
+  STRIP = $(ALT_COMPILER_PATH)/strip
+else
+  STRIP = strip
+endif
 STRIP_LIBJVM = $(STRIP) -g $@ || exit 1;
 STRIP_AOUT   = $(STRIP) -x $@ || exit 1;
 
diff --git a/make/linux/makefiles/sa.make b/make/linux/makefiles/sa.make
index f7a1a208b..19d68083e 100644
--- a/make/linux/makefiles/sa.make
+++ b/make/linux/makefiles/sa.make
@@ -55,10 +55,13 @@ SA_BUILD_VERSION_PROP = "sun.jvm.hotspot.runtime.VM.saBuildVersion=$(SA_BUILD_VE
 SA_PROPERTIES = $(SA_CLASSDIR)/sa.properties
 
 # if $(AGENT_DIR) does not exist, we don't build SA
-# also, we don't build SA on Itanium or zero.
+# also, we don't build SA on Itanium, PowerPC, ARM or zero.
 
 all: 
-	if [ -d $(AGENT_DIR) -a "$(SRCARCH)" != "ia64" -a "$(SRCARCH)" != "zero" ] ; then \
+	if [ -d $(AGENT_DIR) -a "$(SRCARCH)" != "ia64" \
+             -a "$(SRCARCH)" != "arm" \
+             -a "$(SRCARCH)" != "ppc" \
+             -a "$(SRCARCH)" != "zero" ] ; then \
 	   $(MAKE) -f sa.make $(GENERATED)/sa-jdi.jar; \
 	fi
 
diff --git a/make/linux/makefiles/saproc.make b/make/linux/makefiles/saproc.make
index 1da5c217d..bc4fc66c5 100644
--- a/make/linux/makefiles/saproc.make
+++ b/make/linux/makefiles/saproc.make
@@ -53,10 +53,10 @@ ifeq ($(DEBUG_BINARIES), true)
 endif
 
 # if $(AGENT_DIR) does not exist, we don't build SA
-# also, we don't build SA on Itanium or zero.
+# also, we don't build SA on Itanium, PPC, ARM or zero.
 
 checkAndBuildSA:
-	$(QUIETLY) if [ -d $(AGENT_DIR) -a "$(SRCARCH)" != "ia64" -a "$(SRCARCH)" != "zero" ] ; then \
+	$(QUIETLY) if [ -d $(AGENT_DIR) -a "$(SRCARCH)" != "ia64" -a "$(SRCARCH)" != "arm" -a "$(SRCARCH)" != "ppc" -a "$(SRCARCH)" != "zero" ] ; then \
 	   $(MAKE) -f vm.make $(LIBSAPROC); \
 	fi
 
diff --git a/make/linux/makefiles/vm.make b/make/linux/makefiles/vm.make
index 0f8bccd2a..3449d0496 100644
--- a/make/linux/makefiles/vm.make
+++ b/make/linux/makefiles/vm.make
@@ -98,6 +98,7 @@ CFLAGS += $(CFLAGS/NOEX)
 
 # Extra flags from gnumake's invocation or environment
 CFLAGS += $(EXTRA_CFLAGS)
+LFLAGS += $(EXTRA_CFLAGS)
 
 LIBS += -lm -ldl -lpthread
 
@@ -210,15 +211,17 @@ $(LIBJVM): $(LIBJVM.o) $(LIBJVM_MAPFILE) $(LD_SCRIPT)
 	    $(LINK_LIB.CC/POST_HOOK)                                    \
 	    rm -f $@.1; ln -s $@ $@.1;                                  \
 	    [ -f $(LIBJVM_G) ] || { ln -s $@ $(LIBJVM_G); ln -s $@.1 $(LIBJVM_G).1; }; \
-	    if [ -x /usr/sbin/selinuxenabled ] ; then                   \
-	      /usr/sbin/selinuxenabled;                                 \
-              if [ $$? = 0 ] ; then					\
-		/usr/bin/chcon -t textrel_shlib_t $@;                   \
-		if [ $$? != 0 ]; then                                   \
-		  echo "ERROR: Cannot chcon $@";			\
-		fi							\
-	      fi							\
-	    fi                                                          \
+            if [ \"$(CROSS_COMPILE_ARCH)\" = \"\" ] ; then                    \
+	      if [ -x /usr/sbin/selinuxenabled ] ; then                 \
+	        /usr/sbin/selinuxenabled;                               \
+                if [ $$? = 0 ] ; then					\
+		  /usr/bin/chcon -t textrel_shlib_t $@;                 \
+		  if [ $$? != 0 ]; then                                 \
+		    echo "ERROR: Cannot chcon $@";			\
+		  fi							\
+	        fi							\
+	      fi                                                        \
+            fi 								\
 	}
 
 DEST_JVM = $(JDK_LIBDIR)/$(VM_SUBDIR)/$(LIBJVM)
diff --git a/make/solaris/makefiles/defs.make b/make/solaris/makefiles/defs.make
index 9e1d981ce..637b3b49c 100644
--- a/make/solaris/makefiles/defs.make
+++ b/make/solaris/makefiles/defs.make
@@ -70,20 +70,24 @@ EXPORT_LIST += $(EXPORT_DOCS_DIR)/platform/jvmti/jvmti.html
 EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libjsig.so
 
 EXPORT_SERVER_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/server
+ifneq ($(BUILD_CLIENT_ONLY),true)
 EXPORT_LIST += $(EXPORT_SERVER_DIR)/Xusage.txt
 EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm.so
 EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm_db.so
 EXPORT_LIST += $(EXPORT_SERVER_DIR)/libjvm_dtrace.so
+endif
 ifeq ($(ARCH_DATA_MODEL), 32)
   EXPORT_CLIENT_DIR = $(EXPORT_JRE_LIB_ARCH_DIR)/client
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/Xusage.txt
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm.so 
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm_db.so 
-  EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm_dtrace.so 
-  EXPORT_LIST += $(EXPORT_SERVER_DIR)/64/libjvm_db.so
+  EXPORT_LIST += $(EXPORT_CLIENT_DIR)/libjvm_dtrace.so
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/64/libjvm_db.so
-  EXPORT_LIST += $(EXPORT_SERVER_DIR)/64/libjvm_dtrace.so
   EXPORT_LIST += $(EXPORT_CLIENT_DIR)/64/libjvm_dtrace.so
+  ifneq ($(BUILD_CLIENT_ONLY), true)
+    EXPORT_LIST += $(EXPORT_SERVER_DIR)/64/libjvm_db.so
+    EXPORT_LIST += $(EXPORT_SERVER_DIR)/64/libjvm_dtrace.so
+  endif
 endif
 
 EXPORT_LIST += $(EXPORT_JRE_LIB_ARCH_DIR)/libsaproc.so