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XXX Remove nawk(1)


   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21 
  22 #
  23 # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #
  26 # ident "%Z%%M% %I%     %E% SMI"
  27 #
  28 
  29 include         $(SRC)/Makefile.master
  30 
  31 FILES=  \
  32                 $(MACH)_cc_map.noexeglobs \
  33                 $(MACH)_gcc_map.noexeglobs
  34 
  35 $(BUILD64)FILES += \
  36                 $(MACH64)_cc_map.noexeglobs \
  37                 $(MACH64)_gcc_map.noexeglobs
  38 
  39 SYMS1=          syms.1
  40 SYMS2=          syms.2
  41 MAIN1=          main.1
  42 MAIN2=          main.2
  43 
  44 TEMPLATE1=      map.noexeglobs.1.template
  45 TEMPLATE2=      map.noexeglobs.2.template
  46 
  47 all install:    $(FILES)


  81 $(MACH64)_gcc_map.noexeglobs := LINK =  $(LINK64.c)
  82  
  83 # This generic target creates two dynamic executables from an empty "main"
  84 # program.  These objects are not executed, but are analyzed to determine the
  85 # global symbols each provides.
  86 #
  87 # The first executable demotes a family of known interfaces to local and allows
  88 # all other symbol definitions to remain global.  This executables provides the
  89 # base for discovering all symbol definitions provided by the various
  90 # compilation environments.  The second executable demotes all symbols to
  91 # locals.  Within both executables, some symbols remain globals (_end, _etext,
  92 # etc.) as the link-editor has special knowledge of these symbols and their
  93 # expected visibility requirements.  By inspecting the deferences between the
  94 # global symbols within the two executables, a mapfile can be generated to
  95 # ensure the symbols defined by the compilation environments files remain
  96 # global.
  97 
  98 %map.noexeglobs:main.c $(TEMPLATE1) $(TEMPLATE2)
  99         $(LINK) -o $(MAIN1) -M$(TEMPLATE1) main.c
 100         $(ELFDUMP) -s -N.dynsym $(MAIN1) | $(EGREP) "WEAK|GLOB" | \
 101             $(GREP) -v UNDEF | $(NAWK) '{print $$9 }' | $(SORT) > $(SYMS1)
 102         $(LINK) -o $(MAIN2) -M$(TEMPLATE2) main.c
 103         $(ELFDUMP) -s -N.dynsym $(MAIN2) | $(EGREP) "WEAK|GLOB" | \
 104             $(GREP) -v UNDEF | $(NAWK) '{print $$9 }' | $(SORT) > $(SYMS2)
 105         $(ECHO) "# GENERATED FILE - DO NOT EDIT"        >  $@
 106         $(GREP) MAP-HEAD $(TEMPLATE2) | \
 107             $(SED) -e "s/       *# MAP-HEAD//"          >> $@
 108         $(DIFF) $(SYMS1) $(SYMS2) | $(GREP) "^<" | \
 109             $(SED) -e "s/^< \(.*\)/        \1;/"     >> $@
 110         $(GREP) MAP-TAIL $(TEMPLATE2) | \
 111             $(SED) -e "s/       *# MAP-TAIL//"          >> $@
 112         $(RM) $(SYMS1) $(SYMS2) $(MAIN1) $(MAIN2)


   6 # You may not use this file except in compliance with the License.
   7 #
   8 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9 # or http://www.opensolaris.org/os/licensing.
  10 # See the License for the specific language governing permissions
  11 # and limitations under the License.
  12 #
  13 # When distributing Covered Code, include this CDDL HEADER in each
  14 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15 # If applicable, add the following below this CDDL HEADER, with the
  16 # fields enclosed by brackets "[]" replaced with your own identifying
  17 # information: Portions Copyright [yyyy] [name of copyright owner]
  18 #
  19 # CDDL HEADER END
  20 #
  21 
  22 #
  23 # Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  24 # Use is subject to license terms.
  25 #


  26 
  27 include         $(SRC)/Makefile.master
  28 
  29 FILES=  \
  30                 $(MACH)_cc_map.noexeglobs \
  31                 $(MACH)_gcc_map.noexeglobs
  32 
  33 $(BUILD64)FILES += \
  34                 $(MACH64)_cc_map.noexeglobs \
  35                 $(MACH64)_gcc_map.noexeglobs
  36 
  37 SYMS1=          syms.1
  38 SYMS2=          syms.2
  39 MAIN1=          main.1
  40 MAIN2=          main.2
  41 
  42 TEMPLATE1=      map.noexeglobs.1.template
  43 TEMPLATE2=      map.noexeglobs.2.template
  44 
  45 all install:    $(FILES)


  79 $(MACH64)_gcc_map.noexeglobs := LINK =  $(LINK64.c)
  80  
  81 # This generic target creates two dynamic executables from an empty "main"
  82 # program.  These objects are not executed, but are analyzed to determine the
  83 # global symbols each provides.
  84 #
  85 # The first executable demotes a family of known interfaces to local and allows
  86 # all other symbol definitions to remain global.  This executables provides the
  87 # base for discovering all symbol definitions provided by the various
  88 # compilation environments.  The second executable demotes all symbols to
  89 # locals.  Within both executables, some symbols remain globals (_end, _etext,
  90 # etc.) as the link-editor has special knowledge of these symbols and their
  91 # expected visibility requirements.  By inspecting the deferences between the
  92 # global symbols within the two executables, a mapfile can be generated to
  93 # ensure the symbols defined by the compilation environments files remain
  94 # global.
  95 
  96 %map.noexeglobs:main.c $(TEMPLATE1) $(TEMPLATE2)
  97         $(LINK) -o $(MAIN1) -M$(TEMPLATE1) main.c
  98         $(ELFDUMP) -s -N.dynsym $(MAIN1) | $(EGREP) "WEAK|GLOB" | \
  99             $(GREP) -v UNDEF | $(AWK) '{print $$9 }' | $(SORT) > $(SYMS1)
 100         $(LINK) -o $(MAIN2) -M$(TEMPLATE2) main.c
 101         $(ELFDUMP) -s -N.dynsym $(MAIN2) | $(EGREP) "WEAK|GLOB" | \
 102             $(GREP) -v UNDEF | $(AWK) '{print $$9 }' | $(SORT) > $(SYMS2)
 103         $(ECHO) "# GENERATED FILE - DO NOT EDIT"        >  $@
 104         $(GREP) MAP-HEAD $(TEMPLATE2) | \
 105             $(SED) -e "s/       *# MAP-HEAD//"          >> $@
 106         $(DIFF) $(SYMS1) $(SYMS2) | $(GREP) "^<" | \
 107             $(SED) -e "s/^< \(.*\)/        \1;/"     >> $@
 108         $(GREP) MAP-TAIL $(TEMPLATE2) | \
 109             $(SED) -e "s/       *# MAP-TAIL//"          >> $@
 110         $(RM) $(SYMS1) $(SYMS2) $(MAIN1) $(MAIN2)