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 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