gcc/config/mips/t-vr

   1 # BEGIN boiler-plate MIPS stuff
   2
   3 # Don't let CTOR_LIST end up in sdata section.
   4 CRTSTUFF_T_CFLAGS = -G 0
   5
   6 # We must build libgcc2.a with -G 0, in case the user wants to link
   7 # without the $gp register.
   8 TARGET_LIBGCC2_CFLAGS = -G 0
   9
  10 LIB2FUNCS_EXTRA = $(srcdir)/config/mips/mips16.S
  11 EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
  12
  13 # Assemble startup files.
  14 $(T)crti.o: $(srcdir)/config/mips/crti.asm $(GCC_PASSES)
  15         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
  16         -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/mips/crti.asm
  17
  18 $(T)crtn.o: $(srcdir)/config/mips/crtn.asm $(GCC_PASSES)
  19         $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
  20         -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/mips/crtn.asm
  21
  22 # END boiler-plate
  23
  24 # Endianness: EB or EL
  25 #
  26 # ABIs: mabi=32
  27 #       mabi=o64
  28 #       mabi=eabi
  29 #       meabi=eabi/mlong32
  30 #       mabi=eabi/mgp32
  31 #       mabi=eabi/mgp32/mlong64
  32 #
  33 # Architecture: march=vr5400
  34 #               march=vr4100
  35 #               march=vr4100/mips16
  36 #
  37 # Total: 2 * 6 * 3 = 36 multilibs.
  38 MULTILIB_OPTIONS =                      \
  39         EL/EB                           \
  40         mabi=32/mabi=o64/mabi=eabi      \
  41         mgp32                           \
  42         mlong32/mlong64                 \
  43         mips16                          \
  44         march=vr5400/march=vr4100
  45
  46 MULTILIB_DIRNAMES =     \
  47         el eb           \
  48         o32 o64 eabi    \
  49         gp32            \
  50         long32 long64   \
  51         mips16          \
  52         vr5400 vr4100
  53
  54 MULTILIB_MATCHES = EL=mel EB=meb
  55
  56 # Assume a 4000-series is the default: we'd need a *mips16 entry if
  57 # the default processor didn't support mips16.  Also assume o64,
  58 # which means we need to extend the o64 exceptions to combinations
  59 # without a -mabi flag.
  60 MULTILIB_EXCEPTIONS =                           \
  61         *mabi=32/mlong64*                       \
  62         *mabi=32/mgp32/mlong64*                 \
  63         *mabi=o64/mgp32*                        \
  64         *mabi=o64/mlong64*                      \
  65         mgp32* E[LB]/mgp32*                     \
  66         mlong64* E[LB]/mlong64*                 \
  67         *mips16/march=vr5*
  68
  69 # The real value of this macro is very long, so generate it using a
  70 # shell fragment.  The idea is to tell the GCC driver how -mabi,
  71 # -mgp32, -mlong32 and -mlong64 interact, so that it choses the right
  72 # library when some options are specified redundantly (for example,
  73 # -mabi=32 -mgp32).
  74
  75 # The core equalities are listed after "for changes in ".  The first
  76 # entry assumes o64 is the default ABI.
  77 MULTILIB_REDUNDANT_DIRS=` \
  78         for endian in '' 'el' 'eb'; do                                  \
  79           for arch in '' 'vr5400' 'vr4100'                              \
  80                       'mips16' 'mips16/vr100'; do                       \
  81             for changes in long32=                                      \
  82                            o32/gp32=o32                                 \
  83                            o32/gp32/long32=o32                          \
  84                            o32/long32=o32                               \
  85                            o64/long32=o64                               \
  86                            eabi/gp32/long32=eabi/gp32                   \
  87                            eabi/long64=eabi; do                         \
  88               from=\`echo \$${changes} | sed 's/=.*//'\`;               \
  89               to=\`echo \$${changes} | sed 's/.*=//'\`;                 \
  90               echo \$$endian \$$from \$$arch=\$$endian \$$to \$$arch    \
  91                 | sed -e 's: *= *:=:'                                   \
  92                       -e 's:  *:/:g'                                    \
  93                       -e 's:=$$:=.:';                                   \
  94             done;                                                       \
  95           done;                                                         \
  96         done`