gcc/config/rs6000/t-ppccomm

   1 # Common support for PowerPC ELF targets (both EABI and SVR4).
   2
   3 LIB2FUNCS_EXTRA = tramp.S
   4
   5 # This one can't end up in shared libgcc
   6 LIB2FUNCS_STATIC_EXTRA = eabi.S
   7
   8 # We want fine grained libraries, so use the new code to build the
   9 # floating point emulation libraries.
  10 FPBIT = fp-bit.c
  11 DPBIT = dp-bit.c
  12
  13
  14 dp-bit.c: $(srcdir)/config/fp-bit.c
  15         cat $(srcdir)/config/fp-bit.c > dp-bit.c
  16
  17 fp-bit.c: $(srcdir)/config/fp-bit.c
  18         echo '#define FLOAT' > fp-bit.c
  19         cat $(srcdir)/config/fp-bit.c >> fp-bit.c
  20
  21 eabi.S: $(srcdir)/config/rs6000/eabi.asm
  22         cat $(srcdir)/config/rs6000/eabi.asm > eabi.S
  23
  24 tramp.S: $(srcdir)/config/rs6000/tramp.asm
  25         cat $(srcdir)/config/rs6000/tramp.asm > tramp.S
  26
  27 # Switch synonyms
  28 MULTILIB_MATCHES_FLOAT  = msoft-float=mcpu?401 \
  29                           msoft-float=mcpu?403 \
  30                           msoft-float=mcpu?ec603e \
  31                           msoft-float=mcpu?801 \
  32                           msoft-float=mcpu?821 \
  33                           msoft-float=mcpu?823 \
  34                           msoft-float=mcpu?860
  35 MULTILIB_MATCHES_ENDIAN = mlittle=mlittle-endian mbig=mbig-endian
  36 MULTILIB_MATCHES_SYSV   = mcall-sysv=mcall-sysv-eabi mcall-sysv=mcall-sysv-noeabi mcall-sysv=mcall-linux mcall-sysv=mcall-netbsd
  37
  38 LIBGCC = stmp-multilib
  39 INSTALL_LIBGCC = install-multilib
  40 EXTRA_MULTILIB_PARTS = crtbegin$(objext) crtend$(objext) \
  41   crtbeginS$(objext) crtendS$(objext) \
  42   ecrti$(objext) ecrtn$(objext) \
  43   ncrti$(objext) ncrtn$(objext)
  44
  45 # We build {e,n}crti.o and {e,n}crtn.o, which serve to add begin and
  46 # end labels to all of the special sections used when we link using gcc.
  47
  48 # Assemble startup files.
  49 ecrti.S: $(srcdir)/config/rs6000/eabi-ci.asm
  50         cat $(srcdir)/config/rs6000/eabi-ci.asm >ecrti.S
  51
  52 ecrtn.S: $(srcdir)/config/rs6000/eabi-cn.asm
  53         cat $(srcdir)/config/rs6000/eabi-cn.asm >ecrtn.S
  54
  55 ncrti.S: $(srcdir)/config/rs6000/sol-ci.asm
  56         cat $(srcdir)/config/rs6000/sol-ci.asm >ncrti.S
  57
  58 ncrtn.S: $(srcdir)/config/rs6000/sol-cn.asm
  59         cat $(srcdir)/config/rs6000/sol-cn.asm >ncrtn.S
  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 $(T)ncrti$(objext): ncrti.S
  69         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ncrti.S -o $(T)ncrti$(objext)
  70
  71 $(T)ncrtn$(objext): ncrtn.S
  72         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ncrtn.S -o $(T)ncrtn$(objext)
  73
  74 # It is important that crtbegin.o, etc., aren't surprised by stuff in .sdata.
  75 CRTSTUFF_T_CFLAGS = -msdata=none
  76 # Make sure crt*.o are built with -fPIC even if configured with
  77 # --enable-shared --disable-multilib
  78 CRTSTUFF_T_CFLAGS_S = -fPIC -msdata=none