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1 # BEGIN boiler-plate MIPS stuff
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2
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3 # Don't let CTOR_LIST end up in sdata section.
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4 CRTSTUFF_T_CFLAGS = -G 0
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5
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6 # We must build libgcc2.a with -G 0, in case the user wants to link
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7 # without the $gp register.
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8 TARGET_LIBGCC2_CFLAGS = -G 0
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9
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10 LIB2FUNCS_STATIC_EXTRA = $(srcdir)/config/mips/mips16.S \
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11 $(srcdir)/config/mips/vr4120-div.S
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12 EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
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13
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14 # Assemble startup files.
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15 $(T)crti.o: $(srcdir)/config/mips/crti.asm $(GCC_PASSES)
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16 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
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17 -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/mips/crti.asm
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18
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19 $(T)crtn.o: $(srcdir)/config/mips/crtn.asm $(GCC_PASSES)
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20 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
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21 -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/mips/crtn.asm
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22
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23 # END boiler-plate
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24
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25 # Main multilibs
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26 # --------------
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27 #
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28 # Endianness: EB or EL
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29 #
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30 # ABIs: mabi=32
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31 # mabi=o64
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32 # mabi=eabi
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33 # mabi=eabi/mlong32
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34 # mabi=eabi/mgp32
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35 # mabi=eabi/mgp32/mlong64
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36 #
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37 # Architecture: march=vr4120 with -mfix-vr4120
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38 # march=vr4130 with -mfix-vr4130 (default)
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39 # march=vr5000
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40 # march=vr5400
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41 # march=vr5500
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42 #
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43 # Total: 2 * 6 * 5 = 60 multilibs.
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44 #
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45 #
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46 # Extra vr4300 multilibs
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47 # ----------------------
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48 #
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49 # Endianness: EB or EL
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50 #
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51 # ABI: o64
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52 #
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53 # Architecture: vr4300.
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54 #
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55 # Total: 2 * 1 * 2 = 2 multilibs.
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56 #
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57 #
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58 # Extra MIPS16 multilibs
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59 # ----------------------
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60 #
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61 # Endianness: EB or EL
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62 #
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63 # ABIs: mabi=o64
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64 # mabi=eabi/mlong32
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65 # mabi=eabi/mgp32
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66 #
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67 # Architecture: march=vr4120 with -mfix-vr4120
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68 # march=vr4130 with -mfix-vr4130 (default)
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69 #
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70 # Total: 2 * 3 * 2 = 12 multilibs.
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71 MULTILIB_OPTIONS = \
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72 EL/EB \
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73 mabi=32/mabi=o64/mabi=eabi \
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74 mgp32 \
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75 mlong64 \
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76 mips16 \
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77 mfix-vr4120/mfix-vr4130/march=vr4300/march=vr5000/march=vr5400/march=vr5500
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78
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79 MULTILIB_DIRNAMES = \
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80 el eb \
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81 o32 o64 eabi \
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82 gp32 \
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83 long64 \
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84 mips16 \
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85 vr4120 vr4130 vr4300 vr5000 vr5400 vr5500
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86
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87 MULTILIB_MATCHES = EL=mel EB=meb mfix-vr4120=march?vr4120 \
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88 mfix-vr4130=march?vr4130
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89
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90 # Assume a 41xx-series is the default: we'd need a *mips16 entry if
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91 # the default processor didn't support mips16. Also assume the
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92 # default ABI is EABI64 -mlong32.
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93 MULTILIB_EXCEPTIONS = \
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94 *mabi=32/mlong64* \
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95 *mabi=32/mgp32* \
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96 *mabi=o64/mgp32* \
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97 *mabi=o64/mlong64* \
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98 *mips16/march=vr5* \
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99 *mips16/march=vr4300 \
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100 $(MIPS16_EXCEPTIONS) \
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101 $(VR4300_EXCEPTIONS)
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102
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103 MIPS16_EXCEPTIONS = \
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104 *mabi=32*mips16* \
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105 *mlong64*mips16*
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106
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107 VR4300_EXCEPTIONS = \
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108 *mabi=32*march=vr4300 \
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109 *mgp32*march=vr4300 \
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110 *mlong64*march=vr4300 \
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111 march=vr4300 \
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112 E[LB]/march=vr4300
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