# HG changeset patch

# User sgehwolf

# Date 1525714161 -3600

#      Mon May 07 18:29:21 2018 +0100

# Node ID afb31413c73cbc06420fdb447aa90a7a38258904

# Parent  bcbc64dfb629c5f188bbf59b8f986ad95963ed60

8143245, PR3548: Zero build requires disabled warnings

Reviewed-by: dholmes, coleenp

diff --git openjdk.orig/hotspot/make/linux/makefiles/zeroshark.make openjdk/hotspot/make/linux/makefiles/zeroshark.make

--- openjdk.orig/hotspot/make/linux/makefiles/zeroshark.make

+++ openjdk/hotspot/make/linux/makefiles/zeroshark.make

@@ -1,5 +1,5 @@

 #

-# Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.

+# Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.

 # Copyright 2007, 2008 Red Hat, Inc.

 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 #

@@ -29,11 +29,6 @@

 ifeq ($(USE_CLANG), true)

   WARNING_FLAGS += -Wno-undef

 endif

-# Suppress some warning flags that are normally turned on for hotspot,

-# because some of the zero code has not been updated accordingly.

-WARNING_FLAGS += -Wno-return-type \

-  -Wno-format-nonliteral -Wno-format-security \

-  -Wno-maybe-uninitialized

 # The copied fdlibm routines in sharedRuntimeTrig.o must not be optimized

 OPT_CFLAGS/sharedRuntimeTrig.o = $(OPT_CFLAGS/NOOPT)

diff --git openjdk.orig/hotspot/src/cpu/zero/vm/cppInterpreter_zero.cpp openjdk/hotspot/src/cpu/zero/vm/cppInterpreter_zero.cpp

--- openjdk.orig/hotspot/src/cpu/zero/vm/cppInterpreter_zero.cpp

+++ openjdk/hotspot/src/cpu/zero/vm/cppInterpreter_zero.cpp

@@ -100,7 +100,7 @@

     case T_DOUBLE:

     case T_VOID:

       return result;

-    default  : ShouldNotReachHere();

+    default  : ShouldNotReachHere(); return NULL_WORD;

   }

 }

diff --git openjdk.orig/hotspot/src/cpu/zero/vm/interpreterRT_zero.cpp openjdk/hotspot/src/cpu/zero/vm/interpreterRT_zero.cpp

--- openjdk.orig/hotspot/src/cpu/zero/vm/interpreterRT_zero.cpp

+++ openjdk/hotspot/src/cpu/zero/vm/interpreterRT_zero.cpp

@@ -1,5 +1,5 @@

 /*

- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.

+ * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.

  * Copyright 2007, 2008, 2010 Red Hat, Inc.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

@@ -62,7 +62,7 @@

 }

 void InterpreterRuntime::SignatureHandlerGeneratorBase::push(BasicType type) {

-  ffi_type *ftype;

+  ffi_type *ftype = NULL;

   switch (type) {

   case T_VOID:

     ftype = &ffi_type_void;

diff --git a/src/os_cpu/linux_zero/vm/os_linux_zero.cpp b/src/os_cpu/linux_zero/vm/os_linux_zero.cpp

--- openjdk.orig/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.cpp

+++ openjdk/hotspot/src/os_cpu/linux_zero/vm/os_linux_zero.cpp

@@ -1,6 +1,6 @@

 /*

  * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.

- * Copyright 2007, 2008, 2009, 2010 Red Hat, Inc.

+ * Copyright 2016 Red Hat, Inc.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

@@ -61,6 +61,7 @@

 frame os::get_sender_for_C_frame(frame* fr) {

   ShouldNotCallThis();

+  return frame(NULL, NULL); // silence compile warning.

 }

 frame os::current_frame() {

@@ -98,16 +99,19 @@

 address os::Linux::ucontext_get_pc(ucontext_t* uc) {

   ShouldNotCallThis();

+  return NULL; // silence compile warnings

 }

 ExtendedPC os::fetch_frame_from_context(void* ucVoid,

                                         intptr_t** ret_sp,

                                         intptr_t** ret_fp) {

   ShouldNotCallThis();

+  return NULL; // silence compile warnings

 }

 frame os::fetch_frame_from_context(void* ucVoid) {

   ShouldNotCallThis();

+  return frame(NULL, NULL); // silence compile warnings

 }

 extern "C" JNIEXPORT int

@@ -247,11 +251,16 @@

   }

 #endif // !PRODUCT

-  const char *fmt = "caught unhandled signal %d";

   char buf[64];

-  sprintf(buf, fmt, sig);

+  sprintf(buf, "caught unhandled signal %d", sig);

+

+// Silence -Wformat-security warning for fatal()

+PRAGMA_DIAG_PUSH

+PRAGMA_FORMAT_NONLITERAL_IGNORED

   fatal(buf);

+PRAGMA_DIAG_POP

+  return true; // silence compiler warnings

 }

 void os::Linux::init_thread_fpu_state(void) {

@@ -260,6 +269,7 @@

 int os::Linux::get_fpu_control_word() {

   ShouldNotCallThis();

+  return -1; // silence compile warnings

 }

 void os::Linux::set_fpu_control_word(int fpu) {

diff --git openjdk.orig/hotspot/src/os_cpu/linux_zero/vm/thread_linux_zero.hpp openjdk/hotspot/src/os_cpu/linux_zero/vm/thread_linux_zero.hpp

--- openjdk.orig/hotspot/src/os_cpu/linux_zero/vm/thread_linux_zero.hpp

+++ openjdk/hotspot/src/os_cpu/linux_zero/vm/thread_linux_zero.hpp

@@ -1,5 +1,5 @@

 /*

- * Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.

+ * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.

  * Copyright 2007, 2008, 2009, 2010 Red Hat, Inc.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

@@ -110,6 +110,7 @@

                                            void* ucontext,

                                            bool isInJava) {

     ShouldNotCallThis();

+    return false; // silence compile warning

   }

   // These routines are only used on cpu architectures that