gcc/config/mcore/t-mcore

   1 # Name of assembly file containing libgcc1 functions.
   2 # This entry must be present, but it can be empty if the target does
   3 # not need any assembler functions to support its code generation.
   4
   5 CROSS_LIBGCC1 = libgcc1-asm.a
   6 LIB1ASMSRC    = mcore/lib1.asm
   7 LIB1ASMFUNCS  = _divsi3 _udivsi3 _modsi3 _umodsi3
   8
   9 # Assemble startup files.
  10 $(T)crti.o: $(srcdir)/config/mcore/crti.asm $(GCC_PASSES)
  11         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
  12         -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/mcore/crti.asm
  13
  14 $(T)crtn.o: $(srcdir)/config/mcore/crtn.asm $(GCC_PASSES)
  15         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
  16         -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/mcore/crtn.asm
  17
  18 # We want fine grained libraries, so use the new code to build the
  19 # floating point emulation libraries.
  20 FPBIT = fp-bit.c
  21 DPBIT = dp-bit.c
  22
  23 dp-bit.c: $(srcdir)/config/fp-bit.c $(srcdir)/config/mcore/t-mcore
  24         rm -f dp-bit.c
  25         echo '' > dp-bit.c
  26         cat $(srcdir)/config/fp-bit.c >> dp-bit.c
  27
  28 fp-bit.c: $(srcdir)/config/fp-bit.c $(srcdir)/config/mcore/t-mcore
  29         rm -f fp-bit.c
  30         echo '' > fp-bit.c
  31         echo '#define FLOAT' > fp-bit.c
  32         cat $(srcdir)/config/fp-bit.c >> fp-bit.c
  33
  34 T_CFLAGS = -DDONT_HAVE_STDIO -DDONT_HAVE_SETJMP  -Dinhibit_libc
  35 # could use -msifilter to be safe from interrupt/jmp interactions and others.
  36 TARGET_LIBGCC2_CFLAGS=-O3 -DNO_FLOATLIB_FIXUNSDFSI #-msifilter
  37
  38 # We have values for float.h.
  39 CROSS_FLOAT_H = $(srcdir)/config/mcore/gfloat.h
  40
  41 # If support for -m4align is ever re-enabled then comment out the
  42 # following line and uncomment the mutlilib lines below.
  43
  44 EXTRA_PARTS = crtbegin.o crtend.o crti.o crtn.o
  45
  46 # MULTILIB_OPTIONS     = m8align/m4align
  47 # MULTILIB_DIRNAMES    = align8 align4
  48 # MULTILIB_MATCHES     =
  49 # MULTILIB_EXTRA_OPTS  =
  50 # MULTILIB_EXCEPTIONS  =
  51 # EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
  52 # LIBGCC               = stmp-multilib
  53 # INSTALL_LIBGCC       = install-multilib
  54
  55 MULTILIB_OPTIONS     = mbig-endian/mlittle-endian m210/m340
  56 MULTILIB_DIRNAMES    = big little m210 m340
  57
  58 EXTRA_PARTS          =
  59 EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
  60 LIBGCC               = stmp-multilib
  61 INSTALL_LIBGCC       = install-multilib