make/lib/CompileJvm.gmk

rev 12400 : 8168503: JEP 297: Unified arm32/arm64 Port
Reviewed-by: kvn, enevill, ihse, dholmes, erik, coleenp, cjplummer

*** 61,72 ****
      #
  
  # INCLUDE_SUFFIX_* is only meant for including the proper
  # platform files. Don't use it to guard code. Use the value of
  # HOTSPOT_TARGET_CPU_DEFINE etc. instead.
! # Remaining TARGET_ARCH_* is needed to distinguish closed and open
! # 64-bit ARM ports (also called AARCH64).
  JVM_CFLAGS_TARGET_DEFINES += \
      -DTARGET_ARCH_$(HOTSPOT_TARGET_CPU_ARCH) \
      -DINCLUDE_SUFFIX_OS=_$(HOTSPOT_TARGET_OS) \
      -DINCLUDE_SUFFIX_CPU=_$(HOTSPOT_TARGET_CPU_ARCH) \
      -DTARGET_COMPILER_$(HOTSPOT_TOOLCHAIN_TYPE) \
--- 61,72 ----
      #
  
  # INCLUDE_SUFFIX_* is only meant for including the proper
  # platform files. Don't use it to guard code. Use the value of
  # HOTSPOT_TARGET_CPU_DEFINE etc. instead.
! # Remaining TARGET_ARCH_* is needed to select the cpu specific 
! # sources for 64-bit ARM ports (arm versus aarch64).
  JVM_CFLAGS_TARGET_DEFINES += \
      -DTARGET_ARCH_$(HOTSPOT_TARGET_CPU_ARCH) \
      -DINCLUDE_SUFFIX_OS=_$(HOTSPOT_TARGET_OS) \
      -DINCLUDE_SUFFIX_CPU=_$(HOTSPOT_TARGET_CPU_ARCH) \
      -DTARGET_COMPILER_$(HOTSPOT_TOOLCHAIN_TYPE) \
*** 137,146 ****
--- 137,160 ----
  endif
  
  ################################################################################
  # Platform specific setup
  
+ # ARM source selection
+ 
+ ifeq ($(OPENJDK_TARGET_OS)-$(OPENJDK_TARGET_CPU), linux-arm)
+   JVM_EXCLUDE_PATTERNS += arm_64
+ 
+ else ifeq ($(OPENJDK_TARGET_OS)-$(OPENJDK_TARGET_CPU), linux-aarch64)
+   # For 64-bit arm builds, we use the 64 bit hotspot/src/cpu/arm 
+   # hotspot sources if HOTSPOT_TARGET_CPU_ARCH is set to arm.
+   # Exclude the aarch64 and 32 bit arm files for this build.
+   ifeq ($(HOTSPOT_TARGET_CPU_ARCH), arm)
+     JVM_EXCLUDE_PATTERNS += arm_32 aarch64
+   endif
+ endif
+ 
  ifneq ($(filter $(OPENJDK_TARGET_OS), linux macosx windows), )
    JVM_PRECOMPILED_HEADER := $(HOTSPOT_TOPDIR)/src/share/vm/precompiled/precompiled.hpp
  endif
  
  ifeq ($(OPENJDK_TARGET_CPU), x86)