98b0fdb0ff
pmdinfogen is a tool used to parse object files and build json strings for use in later determining hardware support in a dso or application binary. pmdinfo looks for the non-exported symbol names this_pmd_name<n> and this_pmd_tbl<n> (where n is a integer counter). It records the name of each of these tuples, using the later to find the symbolic name of the pci_table for physical devices that the object supports. With this information, it outputs a C file with a single line of the form: static char *<pmd_name>_driver_info[] __attribute__((used)) = " \ PMD_DRIVER_INFO=<json string>"; Where <pmd_name> is the arbitrary name of the pmd, and <json_string> is the json encoded string that hold relevant pmd information, including the pmd name, type and optional array of pci device/vendor ids that the driver supports. This c file is suitable for compiling to object code, then relocatably linking into the parent file from which the C was generated. This creates an entry in the string table of the object that can inform a later tool about hardware support. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Acked-by: Panu Matilainen <pmatilai@redhat.com> Acked-by: Remy Horton <remy.horton@intel.com>
124 lines
4.2 KiB
Makefile
124 lines
4.2 KiB
Makefile
# BSD LICENSE
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#
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# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Intel Corporation nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# tell rte.compile-pre.mk to use HOSTCC instead of CC
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USE_HOST := 1
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include $(RTE_SDK)/mk/internal/rte.compile-pre.mk
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include $(RTE_SDK)/mk/internal/rte.install-pre.mk
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include $(RTE_SDK)/mk/internal/rte.clean-pre.mk
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include $(RTE_SDK)/mk/internal/rte.build-pre.mk
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include $(RTE_SDK)/mk/internal/rte.depdirs-pre.mk
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# VPATH contains at least SRCDIR
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VPATH += $(SRCDIR)
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_BUILD = $(HOSTAPP)
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_INSTALL = $(INSTALL-FILES-y) $(SYMLINK-FILES-y) $(RTE_OUTPUT)/app/$(HOSTAPP)
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_CLEAN = doclean
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.PHONY: all
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all: install
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.PHONY: install
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install: build _postinstall
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_postinstall: build
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.PHONY: build
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build: _postbuild
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exe2cmd = $(strip $(call dotfile,$(patsubst %,%.cmd,$(1))))
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O_TO_EXE = $(HOSTCC) $(HOST_LDFLAGS) $(LDFLAGS_$(@)) \
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$(EXTRA_HOST_LDFLAGS) -o $@ $(OBJS-y) $(LDLIBS)
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O_TO_EXE_STR = $(subst ','\'',$(O_TO_EXE)) #'# fix syntax highlight
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O_TO_EXE_DISP = $(if $(V),"$(O_TO_EXE_STR)"," HOSTLD $(@)")
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O_TO_EXE_CMD = "cmd_$@ = $(O_TO_EXE_STR)"
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O_TO_EXE_DO = @set -e; \
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echo $(O_TO_EXE_DISP); \
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$(O_TO_EXE) && \
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echo $(O_TO_EXE_CMD) > $(call exe2cmd,$(@))
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-include .$(HOSTAPP).cmd
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# list of .a files that are linked to this application
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LDLIBS_FILES := $(wildcard \
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$(addprefix $(RTE_OUTPUT)/lib/, \
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$(patsubst -l%,lib%.a,$(filter -l%,$(LDLIBS)))))
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#
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# Compile executable file if needed
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#
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$(HOSTAPP): $(OBJS-y) $(LDLIBS_FILES) FORCE
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@[ -d $(dir $@) ] || mkdir -p $(dir $@)
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$(if $(D),\
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@echo -n "$@ -> $< " ; \
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echo -n "file_missing=$(call boolean,$(file_missing)) " ; \
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echo -n "cmdline_changed=$(call boolean,$(call cmdline_changed,$(O_TO_EXE_STR))) " ; \
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echo -n "depfile_missing=$(call boolean,$(depfile_missing)) " ; \
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echo "depfile_newer=$(call boolean,$(depfile_newer)) ")
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$(if $(or \
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$(file_missing),\
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$(call cmdline_changed,$(O_TO_EXE_STR)),\
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$(depfile_missing),\
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$(depfile_newer)),\
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$(O_TO_EXE_DO))
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#
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# install app in $(RTE_OUTPUT)/hostapp
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#
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$(RTE_OUTPUT)/app/$(HOSTAPP): $(HOSTAPP)
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@echo " INSTALL-HOSTAPP $(HOSTAPP)"
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@[ -d $(RTE_OUTPUT)/app ] || mkdir -p $(RTE_OUTPUT)/app
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$(Q)cp -f $(HOSTAPP) $(RTE_OUTPUT)/app
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#
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# Clean all generated files
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#
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.PHONY: clean
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clean: _postclean
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$(Q)rm -f $(_BUILD_TARGETS) $(_INSTALL_TARGETS) $(_CLEAN_TARGETS)
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.PHONY: doclean
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doclean:
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$(Q)rm -rf $(HOSTAPP) $(OBJS-all) $(DEPS-all) $(DEPSTMP-all) \
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$(CMDS-all) $(INSTALL-FILES-all) .$(HOSTAPP).cmd
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include $(RTE_SDK)/mk/internal/rte.compile-post.mk
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include $(RTE_SDK)/mk/internal/rte.install-post.mk
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include $(RTE_SDK)/mk/internal/rte.clean-post.mk
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include $(RTE_SDK)/mk/internal/rte.build-post.mk
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include $(RTE_SDK)/mk/internal/rte.depdirs-post.mk
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.PHONY: FORCE
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FORCE:
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