1 # 2 # Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved. 3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 # 5 # This code is free software; you can redistribute it and/or modify it 6 # under the terms of the GNU General Public License version 2 only, as 7 # published by the Free Software Foundation. 8 # 9 # This code is distributed in the hope that it will be useful, but WITHOUT 10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 # version 2 for more details (a copy is included in the LICENSE file that 13 # accompanied this code). 14 # 15 # You should have received a copy of the GNU General Public License version 16 # 2 along with this work; if not, write to the Free Software Foundation, 17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 # 19 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 # or visit www.oracle.com if you need additional information or have any 21 # questions. 22 # 23 # 24 25 # Rules to build signal interposition library, used by vm.make 26 27 # libjsig.so: signal interposition library 28 JSIG = jsig 29 LIBJSIG = lib$(JSIG).so 30 31 LIBJSIG_DEBUGINFO = lib$(JSIG).debuginfo 32 LIBJSIG_DIZ = lib$(JSIG).diz 33 34 JSIGSRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/vm 35 36 DEST_JSIG = $(JDK_LIBDIR)/$(LIBJSIG) 37 DEST_JSIG_DEBUGINFO = $(JDK_LIBDIR)/$(LIBJSIG_DEBUGINFO) 38 DEST_JSIG_DIZ = $(JDK_LIBDIR)/$(LIBJSIG_DIZ) 39 40 LIBJSIG_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jsig 41 42 # On Linux we really dont want a mapfile, as this library is small 43 # and preloaded using LD_PRELOAD, making functions private will 44 # cause problems with interposing. See CR: 6466665 45 # LFLAGS_JSIG += $(MAPFLAG:FILENAME=$(LIBJSIG_MAPFILE)) 46 47 LFLAGS_JSIG += -D_GNU_SOURCE -D_REENTRANT $(LDFLAGS_HASH_STYLE) 48 49 # DEBUG_BINARIES overrides everything, use full -g debug information 50 ifeq ($(DEBUG_BINARIES), true) 51 JSIG_DEBUG_CFLAGS = -g 52 endif 53 54 $(LIBJSIG): $(JSIGSRCDIR)/jsig.c $(LIBJSIG_MAPFILE) 55 @echo $(LOG_INFO) Making signal interposition lib... 56 $(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) $(SHARED_FLAG) $(PICFLAG) \ 57 $(LFLAGS_JSIG) $(JSIG_DEBUG_CFLAGS) $(EXTRA_CFLAGS) -o $@ $< -ldl 58 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1) 59 $(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJSIG_DEBUGINFO) 60 $(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJSIG_DEBUGINFO) $@ 61 ifeq ($(STRIP_POLICY),all_strip) 62 $(QUIETLY) $(STRIP) $@ 63 else 64 ifeq ($(STRIP_POLICY),min_strip) 65 $(QUIETLY) $(STRIP) -g $@ 66 # implied else here is no stripping at all 67 endif 68 endif 69 ifeq ($(ZIP_DEBUGINFO_FILES),1) 70 $(ZIPEXE) -q -y $(LIBJSIG_DIZ) $(LIBJSIG_DEBUGINFO) 71 $(RM) $(LIBJSIG_DEBUGINFO) 72 endif 73 endif 74 75 install_jsig: $(LIBJSIG) 76 @echo "Copying $(LIBJSIG) to $(DEST_JSIG)" 77 $(QUIETLY) test ! -f $(LIBJSIG_DEBUGINFO) || \ 78 $(CP) -f $(LIBJSIG_DEBUGINFO) $(DEST_JSIG_DEBUGINFO) 79 $(QUIETLY) test ! -f $(LIBJSIG_DIZ) || \ 80 $(CP) -f $(LIBJSIG_DIZ) $(DEST_JSIG_DIZ) 81 $(QUIETLY) $(CP) -f $(LIBJSIG) $(DEST_JSIG) && echo "Done" 82 83 .PHONY: install_jsig