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      1 # Makefile fragment for building LIBGCC for the TI MSP430 processor.
      2 # Copyright (C) 2011-2024 Free Software Foundation, Inc.
      3 # Contributed by Red Hat.
      4 #
      5 # This file is part of GCC.
      6 #
      7 # GCC is free software; you can redistribute it and/or modify it
      8 # under the terms of the GNU General Public License as published
      9 # by the Free Software Foundation; either version 3, or (at your
     10 # option) any later version.
     11 #
     12 # GCC is distributed in the hope that it will be useful, but
     13 # WITHOUT ANY WARRANTY; without even the implied warranty of
     14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.   See
     15 # the GNU General Public License for more details.
     16 #
     17 # You should have received a copy of the  GNU General Public
     18 # License along with GCC; see the file COPYING3.  If not see
     19 # <http://www.gnu.org/licenses/>.
     20 
     21 # Note - we have separate versions of the lib2div<mode> files
     22 # as the functions are quite large and we do not want to pull
     23 # in unneeded division routines.
     24 
     25 LIB2ADD = \
     26 	$(srcdir)/config/msp430/lib2divQI.c \
     27 	$(srcdir)/config/msp430/lib2divHI.c \
     28 	$(srcdir)/config/msp430/lib2divSI.c \
     29 	$(srcdir)/config/msp430/lib2bitcountHI.c \
     30 	$(srcdir)/config/msp430/lib2mul.c \
     31 	$(srcdir)/config/msp430/lib2shift.c \
     32 	$(srcdir)/config/msp430/epilogue.S \
     33 	$(srcdir)/config/msp430/slli.S \
     34 	$(srcdir)/config/msp430/srai.S \
     35 	$(srcdir)/config/msp430/srli.S \
     36 	$(srcdir)/config/msp430/cmpsi2.S \
     37 	$(srcdir)/config/msp430/floatunhisf.c \
     38 	$(srcdir)/config/msp430/floatunhidf.c \
     39 	$(srcdir)/config/msp430/floathidf.c \
     40 	$(srcdir)/config/msp430/floathisf.c \
     41 	$(srcdir)/config/msp430/cmpd.c
     42 
     43 # 32-bit and F5series hardware multiply have their own version of this function.
     44 # To handle the case when there is no hardware multiply or only 16-bit hardware
     45 # multiply, the libgcc version has been copied to lib2mul.c.
     46 LIB2FUNCS_EXCLUDE += _muldi3
     47 
     48 HOST_LIBGCC2_CFLAGS += -Os -ffunction-sections -fdata-sections -mhwmult=none
     49 
     50 crtbegin_no_eh.o: $(srcdir)/crtstuff.c
     51 	$(crt_compile) -U__LIBGCC_EH_FRAME_SECTION_NAME__ -c $< -DCRT_BEGIN
     52 
     53 crtend_no_eh.o: $(srcdir)/crtstuff.c
     54 	$(crt_compile) -U__LIBGCC_EH_FRAME_SECTION_NAME__ -c $< -DCRT_END
     55 
     56 mpy.o: $(srcdir)/config/msp430/mpy.c
     57 	$(gcc_compile) $< -c
     58 
     59 lib2_mul_none.o: $(srcdir)/config/msp430/lib2mul.c
     60 	$(gcc_compile) $< -c -DMUL_NONE
     61 
     62 lib2_mul_16bit.o: $(srcdir)/config/msp430/lib2mul.c
     63 	$(gcc_compile) $< -c -DMUL_16
     64 
     65 lib2hw_mul_16.o: $(srcdir)/config/msp430/lib2hw_mul.S
     66 	$(gcc_compile) $< -c -DMUL_16
     67 
     68 lib2hw_mul_32.o: $(srcdir)/config/msp430/lib2hw_mul.S
     69 	$(gcc_compile) $< -c -DMUL_32
     70 
     71 lib2hw_mul_f5.o: $(srcdir)/config/msp430/lib2hw_mul.S
     72 	$(gcc_compile) $< -c -DMUL_F5
     73 
     74 libmul_none.a: lib2_mul_none.o mpy.o
     75 	$(AR_CREATE_FOR_TARGET) $@ $(filter %.o,$^)
     76 
     77 libmul_16.a: lib2hw_mul_16.o lib2_mul_16bit.o
     78 	$(AR_CREATE_FOR_TARGET) $@ $(filter %.o,$^)
     79 
     80 libmul_32.a: lib2hw_mul_32.o
     81 	$(AR_CREATE_FOR_TARGET) $@ $(filter %.o,$^)
     82 
     83 libmul_f5.a: lib2hw_mul_f5.o
     84 	$(AR_CREATE_FOR_TARGET) $@ $(filter %.o,$^)
     85 
     86 # Local Variables:
     87 # mode: Makefile
     88 # End:
     89