make/linux/makefiles/jsig.make

Mon, 05 Nov 2012 19:33:44 -0500

author
dholmes
date
Mon, 05 Nov 2012 19:33:44 -0500
changeset 4243
857f3ce858dd
parent 3724
d652a62d6e03
child 4344
892acf0431ef
permissions
-rw-r--r--

8002034: Allow Full Debug Symbols when cross-compiling
8001756: Hotspot makefiles report missing OBJCOPY command in the wrong circumstances
Reviewed-by: dcubed, dsamersoff, erikj, collins

duke@435 1 #
dcubed@3724 2 # Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
duke@435 3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 #
duke@435 5 # This code is free software; you can redistribute it and/or modify it
duke@435 6 # under the terms of the GNU General Public License version 2 only, as
duke@435 7 # published by the Free Software Foundation.
duke@435 8 #
duke@435 9 # This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 # version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 # accompanied this code).
duke@435 14 #
duke@435 15 # You should have received a copy of the GNU General Public License version
duke@435 16 # 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 #
trims@1907 19 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 # or visit www.oracle.com if you need additional information or have any
trims@1907 21 # questions.
duke@435 22 #
duke@435 23 #
duke@435 24
duke@435 25 # Rules to build signal interposition library, used by vm.make
duke@435 26
duke@435 27 # libjsig[_g].so: signal interposition library
phh@1558 28 JSIG = jsig
duke@435 29 LIBJSIG = lib$(JSIG).so
duke@435 30
phh@1558 31 JSIG_G = $(JSIG)$(G_SUFFIX)
phh@1558 32 LIBJSIG_G = lib$(JSIG_G).so
phh@1558 33
dcubed@3150 34 LIBJSIG_DEBUGINFO = lib$(JSIG).debuginfo
dcubed@3724 35 LIBJSIG_DIZ = lib$(JSIG).diz
dcubed@3150 36 LIBJSIG_G_DEBUGINFO = lib$(JSIG_G).debuginfo
dcubed@3724 37 LIBJSIG_G_DIZ = lib$(JSIG_G).diz
dcubed@3150 38
duke@435 39 JSIGSRCDIR = $(GAMMADIR)/src/os/$(Platform_os_family)/vm
duke@435 40
dcubed@3150 41 DEST_JSIG = $(JDK_LIBDIR)/$(LIBJSIG)
dcubed@3150 42 DEST_JSIG_DEBUGINFO = $(JDK_LIBDIR)/$(LIBJSIG_DEBUGINFO)
dcubed@3724 43 DEST_JSIG_DIZ = $(JDK_LIBDIR)/$(LIBJSIG_DIZ)
duke@435 44
duke@435 45 LIBJSIG_MAPFILE = $(MAKEFILES_DIR)/mapfile-vers-jsig
duke@435 46
duke@435 47 # On Linux we really dont want a mapfile, as this library is small
duke@435 48 # and preloaded using LD_PRELOAD, making functions private will
duke@435 49 # cause problems with interposing. See CR: 6466665
duke@435 50 # LFLAGS_JSIG += $(MAPFLAG:FILENAME=$(LIBJSIG_MAPFILE))
duke@435 51
never@1192 52 LFLAGS_JSIG += -D_GNU_SOURCE -D_REENTRANT $(LDFLAGS_HASH_STYLE)
duke@435 53
aph@1202 54 # DEBUG_BINARIES overrides everything, use full -g debug information
aph@1202 55 ifeq ($(DEBUG_BINARIES), true)
aph@1202 56 JSIG_DEBUG_CFLAGS = -g
aph@1202 57 endif
aph@1202 58
duke@435 59 $(LIBJSIG): $(JSIGSRCDIR)/jsig.c $(LIBJSIG_MAPFILE)
duke@435 60 @echo Making signal interposition lib...
duke@435 61 $(QUIETLY) $(CC) $(SYMFLAG) $(ARCHFLAG) $(SHARED_FLAG) $(PICFLAG) \
aph@1202 62 $(LFLAGS_JSIG) $(JSIG_DEBUG_CFLAGS) -o $@ $< -ldl
phh@1558 63 $(QUIETLY) [ -f $(LIBJSIG_G) ] || { ln -s $@ $(LIBJSIG_G); }
dcubed@3724 64 ifeq ($(ENABLE_FULL_DEBUG_SYMBOLS),1)
dcubed@3150 65 $(QUIETLY) $(OBJCOPY) --only-keep-debug $@ $(LIBJSIG_DEBUGINFO)
dcubed@3150 66 $(QUIETLY) $(OBJCOPY) --add-gnu-debuglink=$(LIBJSIG_DEBUGINFO) $@
dcubed@3150 67 ifeq ($(STRIP_POLICY),all_strip)
dcubed@3150 68 $(QUIETLY) $(STRIP) $@
dcubed@3150 69 else
dcubed@3150 70 ifeq ($(STRIP_POLICY),min_strip)
dcubed@3150 71 $(QUIETLY) $(STRIP) -g $@
dcubed@3150 72 # implied else here is no stripping at all
dcubed@3150 73 endif
dcubed@3150 74 endif
dcubed@3150 75 [ -f $(LIBJSIG_G_DEBUGINFO) ] || { ln -s $(LIBJSIG_DEBUGINFO) $(LIBJSIG_G_DEBUGINFO); }
dcubed@3724 76 ifeq ($(ZIP_DEBUGINFO_FILES),1)
dcubed@3724 77 $(ZIPEXE) -q -y $(LIBJSIG_DIZ) $(LIBJSIG_DEBUGINFO) $(LIBJSIG_G_DEBUGINFO)
dcubed@3724 78 $(RM) $(LIBJSIG_DEBUGINFO) $(LIBJSIG_G_DEBUGINFO)
dcubed@3724 79 [ -f $(LIBJSIG_G_DIZ) ] || { ln -s $(LIBJSIG_DIZ) $(LIBJSIG_G_DIZ); }
dcubed@3724 80 endif
dcubed@3150 81 endif
duke@435 82
duke@435 83 install_jsig: $(LIBJSIG)
duke@435 84 @echo "Copying $(LIBJSIG) to $(DEST_JSIG)"
dcubed@3150 85 $(QUIETLY) test -f $(LIBJSIG_DEBUGINFO) && \
dcubed@3150 86 cp -f $(LIBJSIG_DEBUGINFO) $(DEST_JSIG_DEBUGINFO)
dcubed@3724 87 $(QUIETLY) test -f $(LIBJSIG_DIZ) && \
dcubed@3724 88 cp -f $(LIBJSIG_DIZ) $(DEST_JSIG_DIZ)
duke@435 89 $(QUIETLY) cp -f $(LIBJSIG) $(DEST_JSIG) && echo "Done"
duke@435 90
duke@435 91 .PHONY: install_jsig

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