diff options
Diffstat (limited to 'libgcc/Makefile.in')
| -rw-r--r-- | libgcc/Makefile.in | 206 |
1 files changed, 103 insertions, 103 deletions
diff --git a/libgcc/Makefile.in b/libgcc/Makefile.in index e9f2fa2f2b8..3a8509d118c 100644 --- a/libgcc/Makefile.in +++ b/libgcc/Makefile.in @@ -22,7 +22,6 @@ libgcc_topdir = @libgcc_topdir@ host_subdir = @host_subdir@ -gcc_srcdir = $(libgcc_topdir)/gcc gcc_objdir = $(MULTIBUILDTOP)../../$(host_subdir)/gcc srcdir = @srcdir@ @@ -50,6 +49,8 @@ target_noncanonical = @target_noncanonical@ # The rules for compiling them should be in the t-* file for the machine. EXTRA_PARTS = @extra_parts@ +extra-parts = libgcc-extra-parts + # Multilib support variables. MULTISRCTOP = MULTIBUILDTOP = @@ -62,6 +63,7 @@ INSTALL = @INSTALL@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ INSTALL_DATA = @INSTALL_DATA@ mkinstalldirs = $(SHELL) $(libgcc_topdir)/mkinstalldirs +INSTALL_PARTS = $(EXTRA_PARTS) objext = .o @@ -119,7 +121,7 @@ installcheck: .PHONY: all clean clean: - -rm -f config.h stamp-h stmp-ldirs libgcc.map + -rm -f config.h libgcc_tm.h stamp-h stmp-ldirs libgcc.map -rm -f *$(objext) -rm -f *.dep -rm -f *.a @@ -217,6 +219,41 @@ else DECNUMINC = endif +# Options to use when compiling libgcc2.a. +# +LIBGCC2_DEBUG_CFLAGS = -g +LIBGCC2_CFLAGS = -O2 $(LIBGCC2_INCLUDES) $(GCC_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \ + $(LIBGCC2_DEBUG_CFLAGS) -DIN_LIBGCC2 \ + -fbuilding-libgcc -fno-stack-protector \ + $(INHIBIT_LIBC_CFLAGS) + +# Additional options to use when compiling libgcc2.a. +# Some targets override this to -isystem include +LIBGCC2_INCLUDES = + +# Additional target-dependent options for compiling libgcc2.a. +HOST_LIBGCC2_CFLAGS = + +PICFLAG = @PICFLAG@ + +# Defined in libgcc2.c, included only in the static library. +LIB2FUNCS_ST = _eprintf __gcc_bcmp + +# List of functions not to build from libgcc2.c. +LIB2FUNCS_EXCLUDE = + +# These might cause a divide overflow trap and so are compiled with +# unwinder info. +LIB2_DIVMOD_FUNCS = _divdi3 _moddi3 _udivdi3 _umoddi3 _udiv_w_sdiv _udivmoddi4 + +# List of extra C and assembler files to add to static and shared libgcc2. +# Assembler files should have names ending in `.S'. +LIB2ADD = + +# List of extra C and assembler files to add to static libgcc2. +# Assembler files should have names ending in `.S'. +LIB2ADD_ST = + # Specify the directories to be searched for header files. # Both . and srcdir are used, in that order, # so that *config.h will be found in the compilation @@ -238,6 +275,16 @@ override CFLAGS := $(filter-out -fprofile-generate -fprofile-use,$(CFLAGS)) INTERNAL_CFLAGS = $(CFLAGS) $(LIBGCC2_CFLAGS) $(HOST_LIBGCC2_CFLAGS) \ $(INCLUDES) @set_have_cc_tls@ @set_use_emutls@ +# Options to use when compiling crtbegin/end. +CRTSTUFF_CFLAGS = -O2 $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -g0 \ + -finhibit-size-directive -fno-inline -fno-exceptions \ + -fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize \ + -fno-stack-protector \ + $(INHIBIT_LIBC_CFLAGS) + +# Extra flags to use when compiling crt{begin,end}.o. +CRTSTUFF_T_CFLAGS = + MULTIDIR := $(shell $(CC) $(CFLAGS) -print-multi-directory) MULTIOSDIR := $(shell $(CC) $(CFLAGS) -print-multi-os-directory) @@ -279,6 +326,9 @@ LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \ LIB2ADDEHSTATIC = $(LIB2ADDEH) LIB2ADDEHSHARED = $(LIB2ADDEH) +# nm flags to list global symbols in libgcc object files. +SHLIB_NM_FLAGS = -pg + # Don't build libunwind by default. LIBUNWIND = SHLIBUNWIND_LINK = @@ -287,6 +337,16 @@ SHLIBUNWIND_INSTALL = tmake_file = @tmake_file@ include $(srcdir)/empty.mk $(tmake_file) +# Collect target defines and headers from config.host. +libgcc_tm_defines = @tm_defines@ +libgcc_tm_file = @tm_file@ +libgcc_tm.h: libgcc_tm.stamp; @true +libgcc_tm.stamp: + DEFINES='$(libgcc_tm_defines)' HEADERS='$(libgcc_tm_file)' \ + $(srcdir)/mkheader.sh > tmp-libgcc_tm.h + $(SHELL) $(srcdir)/../move-if-change tmp-libgcc_tm.h libgcc_tm.h + echo timestamp > $@ + # Only handle shared libraries if both: # - the user requested them # - we know how to build them @@ -332,16 +392,6 @@ vis_hide = gen-hide-list = echo > \$@ endif -ifneq ($(EXTRA_PARTS),) - extra-parts = libgcc-extra-parts - INSTALL_PARTS = $(EXTRA_PARTS) -else -ifneq ($(GCC_EXTRA_PARTS),) - extra-parts = gcc-extra-parts - INSTALL_PARTS = $(GCC_EXTRA_PARTS) -endif -endif - LIB2ADD += enable-execute-stack.c LIB2ADDEH += $(srcdir)/emutls.c @@ -388,40 +438,36 @@ LIB2_DIVMOD_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE) $(LIB1ASMFUNCS), \ ifeq ($(enable_shared),yes) lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS)) -$(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC) %.vis - $(gcc_compile) -DL$* -xassembler-with-cpp \ - -c $(gcc_srcdir)/config/$(LIB1ASMSRC) -include $*.vis +$(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC) %.vis + $(gcc_compile) -DL$* -xassembler-with-cpp -c $< -include $*.vis $(patsubst %,%.vis,$(LIB1ASMFUNCS)): %.vis: %_s$(objext) $(gen-hide-list) libgcc-objects += $(lib1asmfuncs-o) lib1asmfuncs-s-o = $(patsubst %,%_s$(objext),$(LIB1ASMFUNCS)) -$(lib1asmfuncs-s-o): %_s$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC) - $(gcc_s_compile) -DL$* -xassembler-with-cpp \ - -c $(gcc_srcdir)/config/$(LIB1ASMSRC) +$(lib1asmfuncs-s-o): %_s$(objext): $(srcdir)/config/$(LIB1ASMSRC) + $(gcc_s_compile) -DL$* -xassembler-with-cpp -c $< libgcc-s-objects += $(lib1asmfuncs-s-o) else lib1asmfuncs-o = $(patsubst %,%$(objext),$(LIB1ASMFUNCS)) -$(lib1asmfuncs-o): %$(objext): $(gcc_srcdir)/config/$(LIB1ASMSRC) - $(gcc_compile) -DL$* -xassembler-with-cpp \ - -c $(gcc_srcdir)/config/$(LIB1ASMSRC) +$(lib1asmfuncs-o): %$(objext): $(srcdir)/config/$(LIB1ASMSRC) + $(gcc_compile) -DL$* -xassembler-with-cpp -c $< libgcc-objects += $(lib1asmfuncs-o) endif # Build lib2funcs. For the static library also include LIB2FUNCS_ST. lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST)) -$(lib2funcs-o): %$(objext): $(gcc_srcdir)/libgcc2.c - $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \ - $(vis_hide) +$(lib2funcs-o): %$(objext): $(srcdir)/libgcc2.c + $(gcc_compile) -DL$* -c $< $(vis_hide) libgcc-objects += $(lib2funcs-o) ifeq ($(enable_shared),yes) lib2funcs-s-o = $(patsubst %,%_s$(objext),$(lib2funcs)) -$(lib2funcs-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c - $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c +$(lib2funcs-s-o): %_s$(objext): $(srcdir)/libgcc2.c + $(gcc_s_compile) -DL$* -c $< libgcc-s-objects += $(lib2funcs-s-o) endif @@ -449,15 +495,15 @@ endif # Build LIB2_DIVMOD_FUNCS. lib2-divmod-o = $(patsubst %,%$(objext),$(LIB2_DIVMOD_FUNCS)) -$(lib2-divmod-o): %$(objext): $(gcc_srcdir)/libgcc2.c - $(gcc_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \ +$(lib2-divmod-o): %$(objext): $(srcdir)/libgcc2.c + $(gcc_compile) -DL$* -c $< \ -fexceptions -fnon-call-exceptions $(vis_hide) libgcc-objects += $(lib2-divmod-o) ifeq ($(enable_shared),yes) lib2-divmod-s-o = $(patsubst %,%_s$(objext),$(LIB2_DIVMOD_FUNCS)) -$(lib2-divmod-s-o): %_s$(objext): $(gcc_srcdir)/libgcc2.c - $(gcc_s_compile) -DL$* -c $(gcc_srcdir)/libgcc2.c \ +$(lib2-divmod-s-o): %_s$(objext): $(srcdir)/libgcc2.c + $(gcc_s_compile) -DL$* -c $< \ -fexceptions -fnon-call-exceptions libgcc-s-objects += $(lib2-divmod-s-o) endif @@ -897,45 +943,39 @@ ALL_CRT_CFLAGS = $(CFLAGS) $(CRTSTUFF_CFLAGS) $(INCLUDES) crt_compile = $(CC) $(ALL_CRT_CFLAGS) -o $@ $(compile_deps) ifeq ($(CUSTOM_CRTSTUFF),) -crtbegin$(objext): $(gcc_srcdir)/crtstuff.c - $(crt_compile) $(CRTSTUFF_T_CFLAGS) \ - -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN +# Compile two additional files that are linked with every program +# linked using GCC on systems using COFF or ELF, for the sake of C++ +# constructors. +crtbegin$(objext): $(srcdir)/crtstuff.c + $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -crtend$(objext): $(gcc_srcdir)/crtstuff.c - $(crt_compile) $(CRTSTUFF_T_CFLAGS) \ - -c $(gcc_srcdir)/crtstuff.c -DCRT_END +crtend$(objext): $(srcdir)/crtstuff.c + $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_END # These are versions of crtbegin and crtend for shared libraries. -crtbeginS$(objext): $(gcc_srcdir)/crtstuff.c - $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \ - -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFS_O +crtbeginS$(objext): $(srcdir)/crtstuff.c + $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_BEGIN -DCRTSTUFFS_O -crtendS$(objext): $(gcc_srcdir)/crtstuff.c - $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) \ - -c $(gcc_srcdir)/crtstuff.c -DCRT_END -DCRTSTUFFS_O +crtendS$(objext): $(srcdir)/crtstuff.c + $(crt_compile) $(CRTSTUFF_T_CFLAGS_S) -c $< -DCRT_END -DCRTSTUFFS_O # This is a version of crtbegin for -static links. -crtbeginT.o: $(gcc_srcdir)/crtstuff.c - $(crt_compile) $(CRTSTUFF_T_CFLAGS) \ - -c $(gcc_srcdir)/crtstuff.c -DCRT_BEGIN -DCRTSTUFFT_O +crtbeginT$(objext): $(srcdir)/crtstuff.c + $(crt_compile) $(CRTSTUFF_T_CFLAGS) -c $< -DCRT_BEGIN -DCRTSTUFFT_O +endif + +ifeq ($(CUSTOM_CRTIN),) +# -x assembler-with-cpp is only needed on case-insensitive filesystem. +crti$(objext): $(srcdir)/config/$(cpu_type)/crti.S + $(crt_compile) -c -x assembler-with-cpp $< + +crtn$(objext): $(srcdir)/config/$(cpu_type)/crtn.S + $(crt_compile) -c -x assembler-with-cpp $< endif # Build extra startfiles in the libgcc directory. .PHONY: libgcc-extra-parts libgcc-extra-parts: $(EXTRA_PARTS) -ifneq ($(GCC_EXTRA_PARTS),) -ifneq ($(sort $(EXTRA_PARTS)),$(GCC_EXTRA_PARTS)) - # If the gcc directory specifies which extra parts to - # build for this target, and the libgcc configuration also - # specifies, make sure they match. This can be removed - # when the gcc directory no longer holds libgcc configuration; - # it is useful when migrating a target. - @echo "Configuration mismatch!" - @echo "Extra parts from gcc directory: $(GCC_EXTRA_PARTS)" - @echo "Extra parts from libgcc: $(EXTRA_PARTS)" - exit 1 -endif -endif # Early copyback; see "all" above for the rationale. The # early copy is necessary so that the gcc -B options find @@ -951,45 +991,13 @@ endif esac; \ done -# Build extra startfiles in the gcc directory, for unconverted -# targets. -.PHONY: gcc-extra-parts -gcc-extra-parts: - # Recursively invoke make in the GCC directory to build any - # startfiles (for now). We must do this just once, passing - # it all the GCC_EXTRA_PARTS as simultaneous goal targets, - # so that rules which cannot execute simultaneously are properly - # serialized. We indirect through T_TARGET in case any multilib - # directories contain an equals sign, to prevent make from - # interpreting any of the goals as variable assignments. - - # We must use cd && make rather than make -C, or else the stage - # number will be embedded in debug information. - - T=`$(PWD_COMMAND)`/ \ - && cd $(gcc_objdir) \ - && $(MAKE) GCC_FOR_TARGET="$(CC)" \ - MULTILIB_CFLAGS="$(CFLAGS)" \ - T=$$T \ - T_TARGET="$(patsubst %,$${T}%,$(GCC_EXTRA_PARTS))" \ - T_TARGET - - # Early copyback; see "all" above for the rationale. The - # early copy is necessary so that the gcc -B options find - # the right startup files when linking shared libgcc. - $(mkinstalldirs) $(gcc_objdir)$(MULTISUBDIR) - parts="$(GCC_EXTRA_PARTS)"; \ - for file in $$parts; do \ - rm -f $(gcc_objdir)$(MULTISUBDIR)/$$file; \ - $(INSTALL_DATA) $$file $(gcc_objdir)$(MULTISUBDIR)/; \ - case $$file in \ - *.a) \ - $(RANLIB) $(gcc_objdir)$(MULTISUBDIR)/$$file ;; \ - esac; \ - done - all: $(extra-parts) +$(libgcc-objects) $(libgcc-s-objects) $(libgcc-eh-objects) \ + $(libgcov-objects) \ + $(libunwind-objects) $(libunwind-s-objects) \ + $(EXTRA_PARTS): libgcc_tm.h + install-unwind_h: dest=$(gcc_objdir)/include/tmp$$$$-unwind.h; \ cp unwind.h $$dest; \ @@ -1067,11 +1075,3 @@ install-strip: install .NOEXPORT: include $(srcdir)/empty.mk $(wildcard *.dep) - -# TODO QUEUE: -# Garbage collect in gcc/: -# $(LIBGCC) settings in t-* are now unused -# -# Remove use of $(gcc_srcdir). Source files referenced using $(gcc_srcdir) -# should move into the libgcc directory. - |