gcc/config/rs6000/t-ppccomm

   1 # Common support for PowerPC eabi, System V targets.
   2
   3 # Do not build libgcc1.
   4 LIBGCC1 =
   5 CROSS_LIBGCC1 =
   6
   7 # These are really part of libgcc1, but this will cause them to be
   8 # built correctly, so... [taken from t-sparclite]
   9 LIB2FUNCS_EXTRA = fp-bit.c dp-bit.c eabi.S eabi-ctors.c tramp.S
  10
  11 dp-bit.c: $(srcdir)/config/fp-bit.c
  12         cat $(srcdir)/config/fp-bit.c > dp-bit.c
  13
  14 fp-bit.c: $(srcdir)/config/fp-bit.c
  15         echo '#define FLOAT' > fp-bit.c
  16         cat $(srcdir)/config/fp-bit.c >> fp-bit.c
  17
  18 eabi.S: $(srcdir)/config/rs6000/eabi.asm
  19         cat $(srcdir)/config/rs6000/eabi.asm > eabi.S
  20
  21 eabi-ctors.c: $(srcdir)/config/rs6000/eabi-ctors.c
  22         cat $(srcdir)/config/rs6000/eabi-ctors.c > eabi-ctors.c
  23
  24 tramp.S: $(srcdir)/config/rs6000/tramp.asm
  25         cat $(srcdir)/config/rs6000/tramp.asm > tramp.S
  26
  27 # Switch synonyms
  28 MULTILIB_MATCHES_FLOAT  = msoft-float=mcpu?401 \
  29                           msoft-float=mcpu?403 \
  30                           msoft-float=mcpu?ec603e \
  31                           msoft-float=mcpu?801 \
  32                           msoft-float=mcpu?821 \
  33                           msoft-float=mcpu?823 \
  34                           msoft-float=mcpu?860
  35 MULTILIB_MATCHES_ENDIAN = mlittle=mlittle-endian mbig=mbig-endian
  36 MULTILIB_MATCHES_SYSV   = mcall-sysv=mcall-sysv-eabi mcall-sysv=mcall-sysv-noeabi
  37
  38 LIBGCC = stmp-multilib
  39 INSTALL_LIBGCC = install-multilib
  40 EXTRA_MULTILIB_PARTS = ecrti$(objext) ecrtn$(objext) scrt0$(objext) scrti$(objext) scrtn$(objext)
  41
  42 # We build {e,s}crti.o, {e,s}crtn.o, and scrt0.o which serve to add begin and
  43 # end labels to all of the special sections used when we link using gcc.
  44
  45 # Assemble startup files.
  46 ecrti.S: $(srcdir)/config/rs6000/eabi-ci.asm
  47         cat $(srcdir)/config/rs6000/eabi-ci.asm >ecrti.S
  48
  49 ecrtn.S: $(srcdir)/config/rs6000/eabi-cn.asm
  50         cat $(srcdir)/config/rs6000/eabi-cn.asm >ecrtn.S
  51
  52 scrti.S: $(srcdir)/config/rs6000/sol-ci.asm
  53         cat $(srcdir)/config/rs6000/sol-ci.asm >scrti.S
  54
  55 scrtn.S: $(srcdir)/config/rs6000/sol-cn.asm
  56         cat $(srcdir)/config/rs6000/sol-cn.asm >scrtn.S
  57
  58 scrt0.c: $(srcdir)/config/rs6000/sol-c0.c
  59         cat $(srcdir)/config/rs6000/sol-c0.c >scrt0.c
  60
  61 # Build multiple copies of ?crt{i,n}.o, one for each target switch.
  62 $(T)ecrti$(objext): ecrti.S
  63         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrti.S -o $(T)ecrti$(objext)
  64
  65 $(T)ecrtn$(objext): ecrtn.S
  66         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrtn.S -o $(T)ecrtn$(objext)
  67
  68 $(T)scrti$(objext): scrti.S
  69         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c scrti.S -o $(T)scrti$(objext)
  70
  71 $(T)scrtn$(objext): scrtn.S
  72         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c scrtn.S -o $(T)scrtn$(objext)
  73
  74 $(T)scrt0$(objext): scrt0.c
  75         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c scrt0.c -o $(T)scrt0$(objext)
  76
  77 # It is important that crtbegin.o, etc., aren't surprised by stuff in .sdata.
  78 CRTSTUFF_T_CFLAGS = -msdata=none
  79 CRTSTUFF_T_CFLAGS_S = -fpic -msdata=none