duke@435: #
dbuck@9186: # Copyright (c) 2005, 2018, Oracle and/or its affiliates. All rights reserved.
duke@435: # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435: #
duke@435: # This code is free software; you can redistribute it and/or modify it
duke@435: # under the terms of the GNU General Public License version 2 only, as
duke@435: # published by the Free Software Foundation.
duke@435: #
duke@435: # This code is distributed in the hope that it will be useful, but WITHOUT
duke@435: # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435: # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435: # version 2 for more details (a copy is included in the LICENSE file that
duke@435: # accompanied this code).
duke@435: #
duke@435: # You should have received a copy of the GNU General Public License version
duke@435: # 2 along with this work; if not, write to the Free Software Foundation,
duke@435: # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435: #
trims@1907: # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907: # or visit www.oracle.com if you need additional information or have any
trims@1907: # questions.
duke@435: #  
duke@435: #
duke@435: 
duke@435: # Rules to build signal interposition library, used by vm.make
duke@435: 
dcubed@4344: # libjsig.so: signal interposition library
phh@1558: JSIG = jsig
duke@435: LIBJSIG = lib$(JSIG).so
duke@435: 
dcubed@3150: LIBJSIG_DEBUGINFO   = lib$(JSIG).debuginfo
dcubed@3724: LIBJSIG_DIZ         = lib$(JSIG).diz
dcubed@3150: 
duke@435: JSIGSRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/vm
duke@435: 
dcubed@3150: DEST_JSIG           = $(JDK_LIBDIR)/$(LIBJSIG)
dcubed@3150: DEST_JSIG_DEBUGINFO = $(JDK_LIBDIR)/$(LIBJSIG_DEBUGINFO)
dcubed@3724: DEST_JSIG_DIZ       = $(JDK_LIBDIR)/$(LIBJSIG_DIZ)
duke@435: 
duke@435: LIBJSIG_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jsig
duke@435: 
duke@435: # On Linux we really dont want a mapfile, as this library is small 
duke@435: # and preloaded using LD_PRELOAD, making functions private will 
duke@435: # cause problems with interposing. See CR: 6466665
duke@435: # LFLAGS_JSIG += $(MAPFLAG:FILENAME=$(LIBJSIG_MAPFILE))
duke@435: 
sgehwolf@9330: LFLAGS_JSIG += -D_GNU_SOURCE -D_REENTRANT $(LDFLAGS_HASH_STYLE) $(LDFLAGS_NO_EXEC_STACK) $(EXTRA_LDFLAGS)
duke@435: 
aph@1202: # DEBUG_BINARIES overrides everything, use full -g debug information
aph@1202: ifeq ($(DEBUG_BINARIES), true)
aph@1202:   JSIG_DEBUG_CFLAGS = -g
aph@1202: endif
aph@1202: 
sgehwolf@9717: # Optimize jsig lib at level -O3 unless it's a slowdebug build
sgehwolf@9717: ifneq ($(DEBUG_LEVEL), slowdebug)
sgehwolf@9717:   JSIG_OPT_FLAGS = $(OPT_CFLAGS)
sgehwolf@9717: endif
sgehwolf@9717: 
duke@435: $(LIBJSIG): $(JSIGSRCDIR)/jsig.c $(LIBJSIG_MAPFILE)
duke@435: 	@echo Making signal interposition lib...
duke@435: 	$(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) $(SHARED_FLAG) $(PICFLAG) \
sgehwolf@9717:                          $(LFLAGS_JSIG) $(JSIG_DEBUG_CFLAGS) $(JSIG_OPT_FLAGS) $(EXTRA_CFLAGS) -o $@ $< -ldl
dcubed@3724: ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
sgehwolf@9357:   ifneq ($(STRIP_POLICY),no_strip)
dcubed@3150: 	$(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJSIG_DEBUGINFO)
sgehwolf@9357: 	$(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJSIG_DEBUGINFO) $@
sgehwolf@9357:   endif
sgehwolf@9346:   ifeq ($(STRIP_POLICY),all_strip)
dcubed@3150: 	$(QUIETLY) $(STRIP) $@
dcubed@3150:   else
dcubed@3150:     ifeq ($(STRIP_POLICY),min_strip)
dcubed@3150: 	$(QUIETLY) $(STRIP) -g $@
sgehwolf@9346:     endif
dcubed@3150:     # implied else here is no stripping at all
dcubed@3150:   endif
sgehwolf@9357:   ifneq ($(STRIP_POLICY),no_strip)
sgehwolf@9357:     ifeq ($(ZIP_DEBUGINFO_FILES),1)
dcubed@4344: 	$(ZIPEXE) -q -y $(LIBJSIG_DIZ) $(LIBJSIG_DEBUGINFO)
dcubed@4344: 	$(RM) $(LIBJSIG_DEBUGINFO)
sgehwolf@9357:     endif
dcubed@3724:   endif
dcubed@3150: endif
duke@435: 
duke@435: install_jsig: $(LIBJSIG)
duke@435: 	@echo "Copying $(LIBJSIG) to $(DEST_JSIG)"
dcubed@3150: 	$(QUIETLY) test -f $(LIBJSIG_DEBUGINFO) && \
dcubed@3150: 	    cp -f $(LIBJSIG_DEBUGINFO) $(DEST_JSIG_DEBUGINFO)
dcubed@3724: 	$(QUIETLY) test -f $(LIBJSIG_DIZ) && \
dcubed@3724: 	    cp -f $(LIBJSIG_DIZ) $(DEST_JSIG_DIZ)
duke@435: 	$(QUIETLY) cp -f $(LIBJSIG) $(DEST_JSIG) && echo "Done"
duke@435: 
duke@435: .PHONY: install_jsig