1 #
   2 # Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.
   3 # Copyright (c) 2012, 2013 SAP SE. All rights reserved.
   4 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5 #
   6 # This code is free software; you can redistribute it and/or modify it
   7 # under the terms of the GNU General Public License version 2 only, as
   8 # published by the Free Software Foundation.
   9 #
  10 # This code is distributed in the hope that it will be useful, but WITHOUT
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13 # version 2 for more details (a copy is included in the LICENSE file that
  14 # accompanied this code).
  15 #
  16 # You should have received a copy of the GNU General Public License version
  17 # 2 along with this work; if not, write to the Free Software Foundation,
  18 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19 #
  20 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21 # or visit www.oracle.com if you need additional information or have any
  22 # questions.
  23 #
  24 #
  25 
  26 # Rules to build signal interposition library, used by vm.make
  27 
  28 # libjsig.so: signal interposition library
  29 JSIG = jsig
  30 LIBJSIG = lib$(JSIG).so
  31 
  32 LIBJSIG_DEBUGINFO   = lib$(JSIG).debuginfo
  33 LIBJSIG_DIZ         = lib$(JSIG).diz
  34 
  35 JSIGSRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/vm
  36 
  37 DEST_JSIG           = $(JDK_LIBDIR)/$(LIBJSIG)
  38 DEST_JSIG_DEBUGINFO = $(JDK_LIBDIR)/$(LIBJSIG_DEBUGINFO)
  39 DEST_JSIG_DIZ       = $(JDK_LIBDIR)/$(LIBJSIG_DIZ)
  40 
  41 LIBJSIG_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jsig
  42 
  43 # On Linux we really dont want a mapfile, as this library is small
  44 # and preloaded using LD_PRELOAD, making functions private will
  45 # cause problems with interposing. See CR: 6466665
  46 # LFLAGS_JSIG += $(MAPFLAG:FILENAME=$(LIBJSIG_MAPFILE))
  47 
  48 LFLAGS_JSIG += -D_GNU_SOURCE -D_REENTRANT $(LDFLAGS_HASH_STYLE)
  49 
  50 LFLAGS_JSIG += $(BIN_UTILS)
  51 
  52 # DEBUG_BINARIES overrides everything, use full -g debug information
  53 ifeq ($(DEBUG_BINARIES), true)
  54   JSIG_DEBUG_CFLAGS = -g
  55 endif
  56 
  57 $(LIBJSIG): $(JSIGSRCDIR)/jsig.c $(LIBJSIG_MAPFILE)
  58         @echo $(LOG_INFO) Making signal interposition lib...
  59         $(QUIETLY) $(CXX) $(SYMFLAG) $(ARCHFLAG) $(SHARED_FLAG) $(PICFLAG) \
  60                          $(LFLAGS_JSIG) $(JSIG_DEBUG_CFLAGS) -o $@ $< -ldl
  61 
  62 #ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
  63 #       $(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJSIG_DEBUGINFO)
  64 #       $(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJSIG_DEBUGINFO) $@
  65 #  ifeq ($(STRIP_POLICY),all_strip)
  66 #       $(QUIETLY) $(STRIP) $@
  67 #  else
  68 #    ifeq ($(STRIP_POLICY),min_strip)
  69 #       $(QUIETLY) $(STRIP) -g $@
  70 #    # implied else here is no stripping at all
  71 #    endif
  72 #  endif
  73 #  ifeq ($(ZIP_DEBUGINFO_FILES),1)
  74 #       $(ZIPEXE) -q -y $(LIBJSIG_DIZ) $(LIBJSIG_DEBUGINFO)
  75 #       $(RM) $(LIBJSIG_DEBUGINFO)
  76 #  endif
  77 #endif
  78 
  79 install_jsig: $(LIBJSIG)
  80         @echo "Copying $(LIBJSIG) to $(DEST_JSIG)"
  81         $(QUIETLY) test -f $(LIBJSIG_DEBUGINFO) && \
  82             $(CP) -f $(LIBJSIG_DEBUGINFO) $(DEST_JSIG_DEBUGINFO)
  83         $(QUIETLY) test -f $(LIBJSIG_DIZ) && \
  84             $(CP) -f $(LIBJSIG_DIZ) $(DEST_JSIG_DIZ)
  85         $(QUIETLY) $(CP) -f $(LIBJSIG) $(DEST_JSIG) && echo "Done"
  86 
  87 .PHONY: install_jsig