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1 # Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc.
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2 #
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3 # This file is free software; you can redistribute it and/or modify it under
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4 # the terms of the GNU General Public License as published by the Free
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5 # Software Foundation; either version 3 of the License, or (at your option)
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6 # any later version.
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7 #
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8 # This file is distributed in the hope that it will be useful, but WITHOUT
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9 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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10 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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11 # for more details.
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12 #
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13 # You should have received a copy of the GNU General Public License
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14 # along with GCC; see the file COPYING3. If not see
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15 # <http://www.gnu.org/licenses/>.
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16
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17 # Define system directory to match STANDARD_INCLUDE_DIR in spu-elf.h,
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18 # allowing combined SPU/PPU sysroot builds.
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19 NATIVE_SYSTEM_HEADER_DIR = /include
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20
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21 # Suppress building libgcc1.a
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22 LIBGCC1 =
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23 CROSS_LIBGCC1 =
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24
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25 TARGET_LIBGCC2_CFLAGS = -fPIC -mwarn-reloc -D__IN_LIBGCC2
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26
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27 # We exclude those because the libgcc2.c default versions do not support
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28 # the SPU single-precision format (round towards zero). We provide our
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29 # own versions below.
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30 LIB2FUNCS_EXCLUDE = _floatdisf _floatundisf
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31
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32 # We provide our own version of __divdf3 that performs better and has
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33 # better support for non-default rounding modes.
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34 DPBIT_FUNCS := $(filter-out _div_df, $(DPBIT_FUNCS))
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35
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36 LIB2FUNCS_STATIC_EXTRA = $(srcdir)/config/spu/float_unssidf.c \
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37 $(srcdir)/config/spu/float_unsdidf.c \
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38 $(srcdir)/config/spu/float_unsdisf.c \
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39 $(srcdir)/config/spu/float_disf.c \
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40 $(srcdir)/config/spu/mfc_tag_table.c \
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41 $(srcdir)/config/spu/mfc_tag_reserve.c \
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42 $(srcdir)/config/spu/mfc_tag_release.c \
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43 $(srcdir)/config/spu/mfc_multi_tag_reserve.c \
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44 $(srcdir)/config/spu/mfc_multi_tag_release.c \
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45 $(srcdir)/config/spu/multi3.c \
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46 $(srcdir)/config/spu/divmodti4.c \
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47 $(srcdir)/config/spu/divv2df3.c
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48
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49 LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde.c \
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50 $(srcdir)/unwind-sjlj.c $(srcdir)/unwind-c.c
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51
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52 # We want fine grained libraries, so use the new code to build the
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53 # floating point emulation libraries.
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54 FPBIT = fp-bit.c
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55 DPBIT = dp-bit.c
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56
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57 dp-bit.c: $(srcdir)/config/fp-bit.c $(srcdir)/config/spu/t-spu-elf
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58 echo '#undef US_SOFTWARE_GOFAST' > dp-bit.c
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59 cat $(srcdir)/config/fp-bit.c >> dp-bit.c
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60
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61 fp-bit.c: $(srcdir)/config/fp-bit.c $(srcdir)/config/spu/t-spu-elf
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62 echo '#define FLOAT' > fp-bit.c
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63 echo '#undef US_SOFTWARE_GOFAST' >> fp-bit.c
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64 cat $(srcdir)/config/fp-bit.c >> fp-bit.c
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65
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66 # Don't let CTOR_LIST end up in sdata section.
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67 CRTSTUFF_T_CFLAGS =
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68
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69 #MULTILIB_OPTIONS=mlarge-mem/mtest-abi
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70 #MULTILIB_DIRNAMES=large-mem test-abi
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71 #MULTILIB_MATCHES=
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72
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73 # Neither gcc or newlib seem to have a standard way to generate multiple
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74 # crt*.o files. So we don't use the standard crt0.o name anymore.
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75
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76 EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o
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77
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78 LIBGCC = stmp-multilib
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79 INSTALL_LIBGCC = install-multilib
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80
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81 spu.o: $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
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82 $(RTL_H) $(REGS_H) hard-reg-set.h \
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83 real.h insn-config.h conditions.h insn-attr.h flags.h $(RECOG_H) \
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84 $(OBSTACK_H) $(TREE_H) $(EXPR_H) $(OPTABS_H) except.h function.h \
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85 output.h $(BASIC_BLOCK_H) $(INTEGRATE_H) toplev.h $(GGC_H) $(HASHTAB_H) \
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86 $(TM_P_H) $(TARGET_H) $(TARGET_DEF_H) langhooks.h reload.h cfglayout.h \
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87 $(srcdir)/config/spu/spu-protos.h \
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88 $(srcdir)/config/spu/spu-builtins.def
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89
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90 spu-c.o: $(srcdir)/config/spu/spu-c.c \
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91 $(srcdir)/config/spu/spu-protos.h \
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92 $(CONFIG_H) $(SYSTEM_H) $(TREE_H) $(CPPLIB_H) \
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93 $(TM_P_H) c-pragma.h errors.h coretypes.h $(TM_H) insn-codes.h
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94 $(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $(srcdir)/config/spu/spu-c.c
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95
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