1 # 2 # Copyright (c) 2005, 2012, 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 LFLAGS_JSIG += $(MAPFLAG:FILENAME=$(LIBJSIG_MAPFILE)) 43 44 ifdef USE_GCC 45 LFLAGS_JSIG += -D_REENTRANT 46 else 47 LFLAGS_JSIG += -mt -xnolib 48 endif 49 50 $(LIBJSIG): $(ADD_GNU_DEBUGLINK) $(FIX_EMPTY_SEC_HDR_FLAGS) $(JSIGSRCDIR)/jsig.c $(LIBJSIG_MAPFILE) 51 @echo Making signal interposition lib... 52 $(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) $(SHARED_FLAG) $(PICFLAG) \ 53 $(LFLAGS_JSIG) -o $@ $(JSIGSRCDIR)/jsig.c -ldl 54 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1) 55 # gobjcopy crashes on "empty" section headers with the SHF_ALLOC flag set. 56 # Clear the SHF_ALLOC flag (if set) from empty section headers. 57 # An empty section header has sh_addr == 0 and sh_size == 0. 58 # This problem has only been seen on Solaris X64, but we call this tool 59 # on all Solaris builds just in case. 60 $(QUIETLY) $(FIX_EMPTY_SEC_HDR_FLAGS) $@ 61 $(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJSIG_DEBUGINFO) 62 # $(OBJCOPY) --add-gnu-debuglink=... corrupts SUNW_* sections. 63 # Use $(ADD_GNU_DEBUGLINK) until a fixed $(OBJCOPY) is available. 64 # $(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJSIG_DEBUGINFO) $@ 65 $(QUIETLY) $(ADD_GNU_DEBUGLINK) $(LIBJSIG_DEBUGINFO) $@ 66 ifeq ($(STRIP_POLICY),all_strip) 67 $(QUIETLY) $(STRIP) $@ 68 else 69 ifeq ($(STRIP_POLICY),min_strip) 70 $(QUIETLY) $(STRIP) -x $@ 71 # implied else here is no stripping at all 72 endif 73 endif 74 ifeq ($(ZIP_DEBUGINFO_FILES),1) 75 $(ZIPEXE) -q -y $(LIBJSIG_DIZ) $(LIBJSIG_DEBUGINFO) 76 $(RM) $(LIBJSIG_DEBUGINFO) 77 endif 78 endif 79 80 install_jsig: $(LIBJSIG) 81 @echo "Copying $(LIBJSIG) to $(DEST_JSIG)" 82 $(QUIETLY) test -f $(LIBJSIG_DEBUGINFO) && \ 83 cp -f $(LIBJSIG_DEBUGINFO) $(DEST_JSIG_DEBUGINFO) 84 $(QUIETLY) test -f $(LIBJSIG_DIZ) && \ 85 cp -f $(LIBJSIG_DIZ) $(DEST_JSIG_DIZ) 86 $(QUIETLY) cp -f $(LIBJSIG) $(DEST_JSIG) && echo "Done" 87 88 .PHONY: install_jsig