annotate make/linux/makefiles/jsig.make @ 3954:da0999c4b733

7071904: 4/4 HotSpot: Full Debug Symbols Summary: Add support for .debuginfo files for HSX libraries. Reviewed-by: poonam, dholmes, never
author dcubed
date Fri, 16 Sep 2011 16:21:20 -0700
parents c18cbe5936b8
children d652a62d6e03
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1 #
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2 # Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
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3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 #
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5 # This code is free software; you can redistribute it and/or modify it
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6 # under the terms of the GNU General Public License version 2 only, as
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7 # published by the Free Software Foundation.
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8 #
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9 # This code is distributed in the hope that it will be useful, but WITHOUT
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10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 # version 2 for more details (a copy is included in the LICENSE file that
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13 # accompanied this code).
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14 #
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15 # You should have received a copy of the GNU General Public License version
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16 # 2 along with this work; if not, write to the Free Software Foundation,
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17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 #
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19 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 # or visit www.oracle.com if you need additional information or have any
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21 # questions.
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22 #
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23 #
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24
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25 # Rules to build signal interposition library, used by vm.make
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26
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27 # libjsig[_g].so: signal interposition library
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28 JSIG = jsig
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29 LIBJSIG = lib$(JSIG).so
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30
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31 JSIG_G = $(JSIG)$(G_SUFFIX)
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32 LIBJSIG_G = lib$(JSIG_G).so
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33
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34 LIBJSIG_DEBUGINFO = lib$(JSIG).debuginfo
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35 LIBJSIG_G_DEBUGINFO = lib$(JSIG_G).debuginfo
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36
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37 JSIGSRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/vm
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38
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39 DEST_JSIG = $(JDK_LIBDIR)/$(LIBJSIG)
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40 DEST_JSIG_DEBUGINFO = $(JDK_LIBDIR)/$(LIBJSIG_DEBUGINFO)
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42 LIBJSIG_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jsig
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43
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44 # On Linux we really dont want a mapfile, as this library is small
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45 # and preloaded using LD_PRELOAD, making functions private will
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46 # cause problems with interposing. See CR: 6466665
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47 # LFLAGS_JSIG += $(MAPFLAG:FILENAME=$(LIBJSIG_MAPFILE))
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48
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49 LFLAGS_JSIG += -D_GNU_SOURCE -D_REENTRANT $(LDFLAGS_HASH_STYLE)
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50
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51 # DEBUG_BINARIES overrides everything, use full -g debug information
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52 ifeq ($(DEBUG_BINARIES), true)
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53 JSIG_DEBUG_CFLAGS = -g
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54 endif
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55
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56 $(LIBJSIG): $(JSIGSRCDIR)/jsig.c $(LIBJSIG_MAPFILE)
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57 @echo Making signal interposition lib...
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58 $(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) $(SHARED_FLAG) $(PICFLAG) \
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59 $(LFLAGS_JSIG) $(JSIG_DEBUG_CFLAGS) -o $@ $< -ldl
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60 $(QUIETLY) [ -f $(LIBJSIG_G) ] || { ln -s $@ $(LIBJSIG_G); }
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61 ifneq ($(OBJCOPY),)
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62 $(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJSIG_DEBUGINFO)
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63 $(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJSIG_DEBUGINFO) $@
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64 ifeq ($(STRIP_POLICY),all_strip)
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65 $(QUIETLY) $(STRIP) $@
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66 else
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67 ifeq ($(STRIP_POLICY),min_strip)
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68 $(QUIETLY) $(STRIP) -g $@
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69 # implied else here is no stripping at all
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70 endif
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71 endif
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72 [ -f $(LIBJSIG_G_DEBUGINFO) ] || { ln -s $(LIBJSIG_DEBUGINFO) $(LIBJSIG_G_DEBUGINFO); }
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73 endif
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75 install_jsig: $(LIBJSIG)
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76 @echo "Copying $(LIBJSIG) to $(DEST_JSIG)"
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77 $(QUIETLY) test -f $(LIBJSIG_DEBUGINFO) && \
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78 cp -f $(LIBJSIG_DEBUGINFO) $(DEST_JSIG_DEBUGINFO)
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79 $(QUIETLY) cp -f $(LIBJSIG) $(DEST_JSIG) && echo "Done"
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81 .PHONY: install_jsig