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[_g].so: signal interposition library 28 JSIG = jsig 29 LIBJSIG = lib$(JSIG).so 30 31 JSIG_G = $(JSIG)$(G_SUFFIX) 32 LIBJSIG_G = lib$(JSIG_G).so 33 34 LIBJSIG_DEBUGINFO = lib$(JSIG).debuginfo 35 LIBJSIG_DIZ = lib$(JSIG).diz 36 LIBJSIG_G_DEBUGINFO = lib$(JSIG_G).debuginfo 37 LIBJSIG_G_DIZ = lib$(JSIG_G).diz 38 39 JSIGSRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/vm 40 41 DEST_JSIG = $(JDK_LIBDIR)/$(LIBJSIG) 42 DEST_JSIG_DEBUGINFO = $(JDK_LIBDIR)/$(LIBJSIG_DEBUGINFO) 43 DEST_JSIG_DIZ = $(JDK_LIBDIR)/$(LIBJSIG_DIZ) 44 45 LIBJSIG_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jsig 46 47 LFLAGS_JSIG += $(MAPFLAG:FILENAME=$(LIBJSIG_MAPFILE)) 48 49 ifdef USE_GCC 50 LFLAGS_JSIG += -D_REENTRANT 51 else 52 LFLAGS_JSIG += -mt -xnolib 53 endif 54 55 $(LIBJSIG): $(ADD_GNU_DEBUGLINK) $(FIX_EMPTY_SEC_HDR_FLAGS) $(JSIGSRCDIR)/jsig.c $(LIBJSIG_MAPFILE) 56 @echo Making signal interposition lib... 57 $(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) $(SHARED_FLAG) $(PICFLAG) \ 58 $(LFLAGS_JSIG) -o $@ $(JSIGSRCDIR)/jsig.c -ldl 59 [ -f $(LIBJSIG_G) ] || { ln -s $@ $(LIBJSIG_G); } 60 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1) 61 # gobjcopy crashes on "empty" section headers with the SHF_ALLOC flag set. 62 # Clear the SHF_ALLOC flag (if set) from empty section headers. 63 # An empty section header has sh_addr == 0 and sh_size == 0. 64 # This problem has only been seen on Solaris X64, but we call this tool 65 # on all Solaris builds just in case. 66 $(QUIETLY) $(FIX_EMPTY_SEC_HDR_FLAGS) $@ 67 $(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJSIG_DEBUGINFO) 68 # $(OBJCOPY) --add-gnu-debuglink=... corrupts SUNW_* sections. 69 # Use $(ADD_GNU_DEBUGLINK) until a fixed $(OBJCOPY) is available. 70 # $(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJSIG_DEBUGINFO) $@ 71 $(QUIETLY) $(ADD_GNU_DEBUGLINK) $(LIBJSIG_DEBUGINFO) $@ 72 ifeq ($(STRIP_POLICY),all_strip) 73 $(QUIETLY) $(STRIP) $@ 74 else 75 ifeq ($(STRIP_POLICY),min_strip) 76 $(QUIETLY) $(STRIP) -x $@ 77 # implied else here is no stripping at all 78 endif 79 endif 80 [ -f $(LIBJSIG_G_DEBUGINFO) ] || { ln -s $(LIBJSIG_DEBUGINFO) $(LIBJSIG_G_DEBUGINFO); } 81 ifeq ($(ZIP_DEBUGINFO_FILES),1) 82 $(ZIPEXE) -q -y $(LIBJSIG_DIZ) $(LIBJSIG_DEBUGINFO) $(LIBJSIG_G_DEBUGINFO) 83 $(RM) $(LIBJSIG_DEBUGINFO) $(LIBJSIG_G_DEBUGINFO) 84 [ -f $(LIBJSIG_G_DIZ) ] || { ln -s $(LIBJSIG_DIZ) $(LIBJSIG_G_DIZ); } 85 endif 86 endif 87 88 install_jsig: $(LIBJSIG) 89 @echo "Copying $(LIBJSIG) to $(DEST_JSIG)" 90 $(QUIETLY) test -f $(LIBJSIG_DEBUGINFO) && \ 91 cp -f $(LIBJSIG_DEBUGINFO) $(DEST_JSIG_DEBUGINFO) 92 $(QUIETLY) test -f $(LIBJSIG_DIZ) && \ 93 cp -f $(LIBJSIG_DIZ) $(DEST_JSIG_DIZ) 94 $(QUIETLY) cp -f $(LIBJSIG) $(DEST_JSIG) && echo "Done" 95 96 .PHONY: install_jsig