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65 lines
3.5 KiB
Plaintext
65 lines
3.5 KiB
Plaintext
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# VxWorks Munching Feature
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# When compiling C++ sources on VxWorks in kernel mode, all .o files have to
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# be processed by the so-called 'munch' script which will generate
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# additional code for static c'tors and d'tors. The resulting .c file has to
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# be compiled in turn and linked to the executable.
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# This can only been done when linking applications, since the munch script
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# generates a .c file containing static symbols: linking a lib that was
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# already munched to a munched application would lead to duplicate symbols!
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isEmpty(VXWORKS_MUNCH_EXT):VXWORKS_MUNCH_EXT = vxm
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isEmpty(VXWORKS_MUNCH_TOOL):VXWORKS_MUNCH_TOOL = $(WIND_BASE)/host/resource/hutils/tcl/munch.tcl
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!exists($$VXWORKS_MUNCH_TOOL) {
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error("Could not find VxWorks Munch tool: '$${VXWORKS_MUNCH_TOOL}'. Please set the environment variable WIND_BASE correctly.")
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}
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# The following scope is entered for any project that specifies 'shared' as well
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# as for any project specifying neither 'shared', nor 'lib', nor 'staticlib'.
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# This means that for a static build only the executable is munched, while for
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# a shared build, every lib, plugin and executable is munched separately.
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shared|!staticlib:!lib {
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*-dcc {
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VXWORKS_MUNCH_CMD = targ=`basename $(TARGET)`; \
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ddump -Ng \"$(TARGET)\" | tclsh $$VXWORKS_MUNCH_TOOL -c $$VXWORKS_ARCH_MUNCH >\"$(OBJECTS_DIR)/\$\${targ}_ctdt.c\" && \
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$$QMAKE_CC -c $$QMAKE_CFLAGS \"$(OBJECTS_DIR)/\$\${targ}_ctdt.c\" -o \"$(OBJECTS_DIR)/\$\${targ}_ctdt.o\" && \
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$$QMAKE_LINK $$QMAKE_LFLAGS -X -r5 -r4 \"$(OBJECTS_DIR)/\$\${targ}_ctdt.o\" \"$(TARGET)\" -o \"$(TARGET).munched\" && \
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mv \"$(TARGET).munched\" \"$(TARGET)\" && \
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chmod +x \"$(TARGET)\"
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}
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*-g++ {
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VXWORKS_MUNCH_CMD = targ=`basename $(TARGET)`; \
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nm \"$(DESTDIR)$(TARGET)\" | tclsh $$VXWORKS_MUNCH_TOOL -c $$VXWORKS_ARCH_MUNCH >\"$(OBJECTS_DIR)/\$\${targ}_ctdt.c\" && \
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$$QMAKE_CC -c $$QMAKE_CFLAGS -fdollars-in-identifiers \"$(OBJECTS_DIR)/\$\${targ}_ctdt.c\" -o \"$(OBJECTS_DIR)/\$\${targ}_ctdt.o\" && \
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$$QMAKE_LINK $$QMAKE_LFLAGS -nostdlib -Wl,-X -T $(WIND_BASE)/target/h/tool/gnu/ldscripts/link.OUT \"$(OBJECTS_DIR)/\$\${targ}_ctdt.o\" \"$(DESTDIR)$(TARGET)\" -o \"$(DESTDIR)$(TARGET).munched\" && \
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mv \"$(DESTDIR)$(TARGET).munched\" \"$(DESTDIR)$(TARGET)\" && \
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chmod +x \"$(DESTDIR)$(TARGET)\"
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}
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# We need to create a dummy lib.a in case someone links against this lib.
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# In VxWorks it's the responsibility of the run-time linker ld to resolve
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# symbols, since there are no real shared libraries for the toolchain linker
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# to link against.
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shared:contains(TEMPLATE, lib) {
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VXWORKS_MUNCH_CMD += "&&"
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VXWORKS_MUNCH_CMD += (atarg=`basename $(TARGET) .so.$${VERSION}`.a ; touch \"$(DESTDIR)\$\${atarg}\")
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}
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!isEmpty(QMAKE_POST_LINK):QMAKE_POST_LINK = $$escape_expand(\\n\\t)$$QMAKE_POST_LINK
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QMAKE_POST_LINK = $$VXWORKS_MUNCH_CMD$$QMAKE_POST_LINK
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silent:QMAKE_POST_LINK = @echo creating $@.$$VXWORKS_MUNCH_EXT && $$QMAKE_POST_LINK
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isEmpty(DESTDIR) {
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target.targets += "`basename $(TARGET)`.$$VXWORKS_MUNCH_EXT"
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QMAKE_DISTCLEAN += "`basename $(TARGET)`.$$VXWORKS_MUNCH_EXT"
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} else {
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target.targets += "$(DESTDIR)/`basename $(TARGET)`.$$VXWORKS_MUNCH_EXT"
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QMAKE_DISTCLEAN += "$(DESTDIR)/`basename $(TARGET)`.$$VXWORKS_MUNCH_EXT"
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}
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*-g++:LIBS += -lgcc
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}
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