Add macro to openxl specific changes

Signed-off-by: Ishita Ray <ishita.ray@ibm.com>

cmake/modules/OmrMetalC.cmake

@@ -58,7 +58,11 @@ function(omr_compile_metalc mfile ofile)
 	omr_assert(TEST AS_EXECUTABLE)
 
 	if(OMR_ENV_DATA64)
-		list(APPEND OMR_METALC_XLC_FLAGS "-m64")
+		if(CMAKE_C_COMPILER_IS_OPENXL)
+			list(APPEND OMR_METALC_XLC_FLAGS "-m64")
+		else()
+			list(APPEND OMR_METALC_XLC_FLAGS "-q64")
+		endif()
 	endif()
 
 	if(NOT IS_ABSOLUTE "${mfile}")

cmake/modules/platform/toolcfg/gnu.cmake

@@ -19,6 +19,11 @@
 # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0 OR GPL-2.0-only WITH OpenJDK-assembly-exception-1.0
 #############################################################################
 
+if(NOT CMAKE_C_COMPILER_IS_OPENXL)
+	set(OMR_C_WARNINGS_AS_ERROR_FLAG -Werror)
+	set(OMR_CXX_WARNINGS_AS_ERROR_FLAG -Werror)
+	set(OMR_NASM_WARNINGS_AS_ERROR_FLAG -Werror)
+endif()
 set(OMR_C_ENHANCED_WARNINGS_FLAG -Wall)
 set(OMR_CXX_ENHANCED_WARNINGS_FLAG -Wall)
 set(OMR_NASM_ENHANCED_WARNINGS_FLAG -Wall)
@@ -64,7 +69,7 @@ if(OMR_HOST_ARCH STREQUAL "s390")
 	list(APPEND OMR_PLATFORM_COMPILE_OPTIONS -march=z9-109)
 endif()
 
-if(OMR_OS_AIX)
+if(OMR_OS_AIX AND CMAKE_C_COMPILER_IS_OPENXL)
 	omr_append_flags(CMAKE_C_FLAGS "-m64")
 	omr_append_flags(CMAKE_CXX_FLAGS "-m64")
 	omr_append_flags(CMAKE_ASM_FLAGS "-m64")
@@ -119,15 +124,25 @@ function(_omr_toolchain_separate_debug_symbols tgt)
 	else()
 		omr_get_target_output_genex(${tgt} output_name)
 		set(dbg_file "${output_name}${OMR_DEBUG_INFO_OUTPUT_EXTENSION}")
-		add_custom_command(
-			TARGET "${tgt}"
-			POST_BUILD
-			#COMMAND "${CMAKE_OBJCOPY}" --only-keep-debug "${exe_file}" "${dbg_file}"
-			#COMMAND "${CMAKE_OBJCOPY}" --strip-debug "${exe_file}"
-			#COMMAND "${CMAKE_OBJCOPY}" --add-gnu-debuglink="${dbg_file}" "${exe_file}"
-			COMMAND "${CMAKE_COMMAND}" -E copy ${exe_file} ${dbg_file}
-			COMMAND "${CMAKE_STRIP}" -X32_64 ${exe_file}
-		)
+		if(OMR_OS_AIX AND CMAKE_C_COMPILER_IS_OPENXL)
+			add_custom_command(
+				TARGET "${tgt}"
+				POST_BUILD
+				#COMMAND "${CMAKE_OBJCOPY}" --only-keep-debug "${exe_file}" "${dbg_file}"
+				#COMMAND "${CMAKE_OBJCOPY}" --strip-debug "${exe_file}"
+				#COMMAND "${CMAKE_OBJCOPY}" --add-gnu-debuglink="${dbg_file}" "${exe_file}"
+				COMMAND "${CMAKE_COMMAND}" -E copy ${exe_file} ${dbg_file}
+				COMMAND "${CMAKE_STRIP}" -X32_64 ${exe_file}
+			)
+		else()
+			add_custom_command(
+				TARGET "${tgt}"
+				POST_BUILD
+				COMMAND "${CMAKE_OBJCOPY}" --only-keep-debug "${exe_file}" "${dbg_file}"
+				COMMAND "${CMAKE_OBJCOPY}" --strip-debug "${exe_file}"
+				COMMAND "${CMAKE_OBJCOPY}" --add-gnu-debuglink="${dbg_file}" "${exe_file}"
+			)
+		endif()
 	endif()
 	set_target_properties(${tgt} PROPERTIES OMR_DEBUG_FILE "${dbg_file}")
 endfunction()
@@ -151,4 +166,9 @@ function(_omr_toolchain_process_exports TARGET_NAME)
 		"${exp_file}"
 	)
 
+if(NOT CMAKE_C_COMPILER_IS_OPENXL)
+	target_link_libraries(${TARGET_NAME}
+		PRIVATE
+			"-Wl,--version-script,${exp_file}")
+endif()
 endfunction()

compiler/env/jittypes.h

@@ -139,12 +139,12 @@ typedef struct TR_InlinedCallSite
       #define FLUSH_MEMORY(smp)
    #endif
 #else
-   #if defined(__IBMC__) || defined(__IBMCPP__) || defined(__open_xl__)
+   #if defined(__IBMC__) || defined(__IBMCPP__)
       #if defined(__cplusplus)
       #include <builtins.h>
       #endif /* __cplusplus */
       #define FLUSH_MEMORY(smp) if( smp ) __lwsync();
-   #else
+   #elif defined(LINUX) || defined(__open_xl__)
       #define FLUSH_MEMORY(smp) if( smp ) __asm__("lwsync");
    #endif
 #endif

compiler/ras/CallStack.cpp

@@ -61,14 +61,23 @@ void TR_CallStackIterator::printStackBacktrace(TR::Compilation *comp)
    }                     \
    while (0)
 
-
-#define GET_CURR_TOS(dst) \
-   do                     \
-   {                      \
-   /*copy current stack pointer to dst*/ \
-   asm("la %0, 0(1)" : "=r" (dst)); \
-   }                      \
-   while (0)
+#if defined(__open_xl__)
+   #define GET_CURR_TOS(dst) \
+      do                     \
+      {                      \
+      /*copy current stack pointer to dst*/ \
+      asm("la %0, 0(1)" : "=r" (dst)); \
+      }                      \
+      while (0)
+#else
+   #define GET_CURR_TOS(dst) \
+      do                     \
+      {                      \
+      /*copy current stack pointer to dst*/ \
+      asm("la %0, 0(r1)" : "=r" (dst)); \
+      }                      \
+      while (0)
+#endif
 
 void TR_PPCCallStackIterator::_set_tb_table()
    {

compiler/ras/DebugCounter.cpp

@@ -466,7 +466,11 @@ TR::DebugCounter *TR::DebugCounterGroup::findCounter(const char *nameChars, int3
    {
    if (nameChars == NULL)
       return NULL;
-   char *name = (char*)__builtin_alloca(nameLength+1);
+   #if defined(__open_xl__)
+      char *name = (char*)__builtin_alloca(nameLength+1);
+   #else
+      char *name = (char*)alloca(nameLength+1);
+   #endif
    strncpy(name, nameChars, nameLength);
    name[nameLength] = 0;
 
@@ -482,7 +486,11 @@ TR::DebugCounterAggregation *TR::DebugCounterGroup::findAggregation(const char *
    {
    if (nameChars == NULL)
       return NULL;
-   char *name = (char*)__builtin_alloca(nameLength+1);
+   #if defined(__open_xl__)
+      char *name = (char*)__builtin_alloca(nameLength+1);
+   #else
+      char *name = (char*)alloca(nameLength+1);
+   #endif
    strncpy(name, nameChars, nameLength);
    name[nameLength] = 0;
 

configure

@@ -3764,16 +3764,29 @@ return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
   return 0;
 }
 _ACEOF
-for ac_arg in '' -std=extc89 -std=ansi -std \
-	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
-do
-  CC="$ac_save_CC $ac_arg"
-  if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_prog_cc_c89=$ac_arg
+if [ "$OMR_ENV_OPENXL" == "1" ]; then
+  for ac_arg in '' -std=extc89 -std=ansi -std \
+    -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+  do
+    CC="$ac_save_CC $ac_arg"
+    if ac_fn_c_try_compile "$LINENO"; then :
+    ac_cv_prog_cc_c89=$ac_arg
+  fi
+  rm -f core conftest.err conftest.$ac_objext
+    test "x$ac_cv_prog_cc_c89" != "xno" && break
+  done
+else
+  for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+    -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+  do
+    CC="$ac_save_CC $ac_arg"
+    if ac_fn_c_try_compile "$LINENO"; then :
+    ac_cv_prog_cc_c89=$ac_arg
+  fi
+  rm -f core conftest.err conftest.$ac_objext
+    test "x$ac_cv_prog_cc_c89" != "xno" && break
+  done
 fi
-rm -f core conftest.err conftest.$ac_objext
-  test "x$ac_cv_prog_cc_c89" != "xno" && break
-done
 rm -f conftest.$ac_ext
 CC=$ac_save_CC
 

omrmakefiles/rules.aix.mk

@@ -28,36 +28,61 @@ ranlib $@
 endef
 
 ifeq ($(OMR_ENV_DATA64),1)
-  GLOBAL_ARFLAGS += -X64
-  GLOBAL_CFLAGS += -s -m64
-  GLOBAL_CXXFLAGS += -s -m64
-  GLOBAL_ASFLAGS += -a64 -many
-  GLOBAL_CPPFLAGS += -DPPC64
+  ifeq ($(OMR_ENV_OPENXL),1)
+    GLOBAL_ARFLAGS += -X64
+    GLOBAL_CFLAGS += -s -m64
+    GLOBAL_CXXFLAGS += -s -m64
+    GLOBAL_ASFLAGS += -a64 -many
+    GLOBAL_CPPFLAGS += -DPPC64
+  else
+    GLOBAL_ARFLAGS += -X64
+    GLOBAL_CFLAGS += -s -q64
+    GLOBAL_CXXFLAGS += -s -q64
+    GLOBAL_ASFLAGS += -a64 -many
+    GLOBAL_CPPFLAGS += -DPPC64
+  endif
 else
   GLOBAL_ARFLAGS += -X32
   GLOBAL_CXXFLAGS += -s -q32
   GLOBAL_CFLAGS += -s -q32
   GLOBAL_ASFLAGS += -a32 -mppc
 endif
 
-GLOBAL_CFLAGS += -qarch=ppc -fno-strict-aliasing
-GLOBAL_CXXFLAGS+=-std=c++11 -qarch=ppc -fno-strict-aliasing
+ifeq ($(OMR_ENV_OPENXL),1)
+  GLOBAL_CFLAGS += -qarch=ppc -fno-strict-aliasing
+  GLOBAL_CXXFLAGS+=-std=c++11 -qarch=ppc -fno-strict-aliasing
+else
+  GLOBAL_CFLAGS += -qarch=ppc -qalias=noansi -qxflag=LTOL:LTOL0 -qsuppress=1506-1108
+  GLOBAL_CXXFLAGS+=-qlanglvl=extended0x -qarch=ppc -qalias=noansi -qxflag=LTOL:LTOL0 -qsuppress=1506-1108
+endif
 GLOBAL_CPPFLAGS+=-D_XOPEN_SOURCE_EXTENDED=1 -D_ALL_SOURCE -DRS6000 -DAIXPPC -D_LARGE_FILES
 
 ifeq (,$(findstring xlclang,$(notdir $(CC))))
-  # xlc options
-  GLOBAL_CFLAGS+=-q mbcs -std=c89 -qinfo=pro
+  ifeq ($(OMR_ENV_OPENXL),1)
+    # openxl options
+    GLOBAL_CFLAGS+=-q mbcs -std=c89 -qinfo=pro
+    GLOBAL_CFLAGS+=-std=c++11
+  else
+    # xlc options
+    GLOBAL_CFLAGS+=-q mbcs -qlanglvl=extended -qinfo=pro
+  endif
 else
   # xlclang options
-  GLOBAL_CFLAGS+=-std=c++11
+  GLOBAL_CFLAGS+=-qlanglvl=extended0x -qxlcompatmacros
 endif
 
 ifeq (,$(findstring xlclang++,$(notdir $(CXX))))
-  # xlc++ options
-  GLOBAL_CXXFLAGS+=-q mbcs -qinfo=pro
+  ifeq ($(OMR_ENV_OPENXL),1)
+    # openxl options
+    GLOBAL_CXXFLAGS+=-fno-exceptions
+  else 
+    # xlc++ options
+    GLOBAL_CXXFLAGS+=-q mbcs -qinfo=pro
+  endif
 else
   # xlclang++ options
-  GLOBAL_CXXFLAGS+=-fno-exceptions
+  GLOBAL_CXXFLAGS+=-qxlcompatmacros -fno-exceptions
+  # GLOBAL_CXXFLAGS+=-fno-exceptions
   ifeq (0,$(OMR_RTTI))
     GLOBAL_CXXFLAGS+=-fno-rtti
   endif
@@ -90,7 +115,11 @@ endif
 ###
 ifneq (,$(findstring executable,$(ARTIFACT_TYPE)))
   ifeq (1,$(OMR_ENV_DATA64))
-    GLOBAL_LDFLAGS+=-m64
+    ifeq ($(OMR_ENV_OPENXL),1)
+      GLOBAL_LDFLAGS+=-m64
+    else
+      GLOBAL_LDFLAGS+=-q64
+    endif
   else
     GLOBAL_LDFLAGS+=-q32
   endif
@@ -175,6 +204,10 @@ endif
 
 ## Warnings as errors
 ifeq ($(OMR_WARNINGS_AS_ERRORS),1)
+  ifneq ($(OMR_ENV_OPENXL),1)
+    GLOBAL_CFLAGS+=-qhalt=w
+    GLOBAL_CXXFLAGS+=-qhalt=w
+  endif
 endif
 
 ## Debug Information

port/unix/omrsignal.c

@@ -406,17 +406,17 @@ omrsig_protect(struct OMRPortLibrary *portLibrary, omrsig_protected_fn fn, void
 		 */
 		OMRCurrentSignal *currentSignal = omrthread_tls_get(thisThread, tlsKeyCurrentSignal);
 
-/*
-		// setjmp/longjmp does not clear the mask setup by the OS when it delivers the signal. User sigsetjmp/siglongjmp(buf, 1) instead
-		if (0 != sigsetjmp(thisRecord.returnBuf, 1)) {
-			// the handler had long jumped back here -- reset the signal handler stack and currentSignal and return
-			omrthread_tls_set(thisThread, tlsKey, thisRecord.previous);
-			omrthread_tls_set(thisThread, tlsKeyCurrentSignal, currentSignal);
-			*result = 0;
-			Trc_PRT_signal_omrsignal_sig_protect_Exit_long_jumped_back_to_omrsig_protect(fn, fn_arg, handler, handler_arg, flags);
-			return OMRPORT_SIG_EXCEPTION_OCCURRED;
-		}
-*/
+		#if !defined(__open_xl__)
+			/* setjmp/longjmp does not clear the mask setup by the OS when it delivers the signal. User sigsetjmp/siglongjmp(buf, 1) instead */
+			if (0 != sigsetjmp(thisRecord.returnBuf, 1)) {
+				/* the handler had long jumped back here -- reset the signal handler stack and currentSignal and return */
+				omrthread_tls_set(thisThread, tlsKey, thisRecord.previous);
+				omrthread_tls_set(thisThread, tlsKeyCurrentSignal, currentSignal);
+				*result = 0;
+				Trc_PRT_signal_omrsignal_sig_protect_Exit_long_jumped_back_to_omrsig_protect(fn, fn_arg, handler, handler_arg, flags);
+				return OMRPORT_SIG_EXCEPTION_OCCURRED;
+			}
+		#endif
 	}
 
 	if (0 != omrthread_tls_set(thisThread, tlsKey, &thisRecord)) {

tools/configure

@@ -3061,16 +3061,29 @@ return f (e, argv, 0) != argv[0]  ||  f (e, argv, 1) != argv[1];
   return 0;
 }
 _ACEOF
-for ac_arg in '' -std=extc89 -std=ansi -std \
-	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
-do
-  CC="$ac_save_CC $ac_arg"
-  if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_prog_cc_c89=$ac_arg
+if [ "$OMR_ENV_OPENXL" == "1" ]; then
+  for ac_arg in '' -std=extc89 -std=ansi -std \
+    -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+  do
+    CC="$ac_save_CC $ac_arg"
+    if ac_fn_c_try_compile "$LINENO"; then :
+    ac_cv_prog_cc_c89=$ac_arg
+  fi
+  rm -f core conftest.err conftest.$ac_objext
+    test "x$ac_cv_prog_cc_c89" != "xno" && break
+  done
+else
+  for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
+    -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+  do
+    CC="$ac_save_CC $ac_arg"
+    if ac_fn_c_try_compile "$LINENO"; then :
+    ac_cv_prog_cc_c89=$ac_arg
+  fi
+  rm -f core conftest.err conftest.$ac_objext
+    test "x$ac_cv_prog_cc_c89" != "xno" && break
+  done
 fi
-rm -f core conftest.err conftest.$ac_objext
-  test "x$ac_cv_prog_cc_c89" != "xno" && break
-done
 rm -f conftest.$ac_ext
 CC=$ac_save_CC
 

util/omrutil/gettimebase.c

@@ -53,8 +53,12 @@ getTimebase(void)
 	/* PPC64 & XLC */
 	tsc = __mftb();
 #else /* !XLC */
-	/* PPC64 & !XLC */
-	__asm__ volatile("mftb %0" : "=r" (tsc));
+	#if defined(__open_xl__)
+		__asm__ volatile("mftb %0" : "=r" (tsc));
+	#else
+		/* PPC64 & !XLC & !OPENXL*/
+		asm volatile("mftb %0" : "=r" (tsc));
+	#endif /* __open_xl__ */
 #endif /* __xlC__ */
 
 #else /* !OMR_ENV_DATA64 */