t-xscale-elf revision 132718 
1LIB1ASMSRC = arm/lib1funcs.asm
2LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func _call_via_rX _interwork_call_via_rX
3
4# We want fine grained libraries, so use the new code to build the
5# floating point emulation libraries.
6FPBIT = fp-bit.c
7DPBIT = dp-bit.c
8
9fp-bit.c: $(srcdir)/config/fp-bit.c
10	echo '#define FLOAT' > fp-bit.c
11	echo '#ifndef __ARMEB__' >> fp-bit.c
12	echo '#define FLOAT_BIT_ORDER_MISMATCH' >> fp-bit.c
13	echo '#endif' >> fp-bit.c
14	cat $(srcdir)/config/fp-bit.c >> fp-bit.c
15
16dp-bit.c: $(srcdir)/config/fp-bit.c
17	echo '#ifndef __ARMEB__' > dp-bit.c
18	echo '#define FLOAT_BIT_ORDER_MISMATCH' >> dp-bit.c
19	echo '#define FLOAT_WORD_ORDER_MISMATCH' >> dp-bit.c
20	echo '#endif' >> dp-bit.c
21	cat $(srcdir)/config/fp-bit.c >> dp-bit.c
22
23MULTILIB_OPTIONS     = mlittle-endian/mbig-endian
24MULTILIB_DIRNAMES    = le be
25MULTILIB_EXCEPTIONS  = 
26MULTILIB_MATCHES     = mbig-endian=mbe mlittle-endian=mle
27
28# Note XScale does not support 26 bit APCS.
29# Note XScale does not support hard FP
30
31MULTILIB_OPTIONS    += mno-thumb-interwork/mthumb-interwork
32MULTILIB_DIRNAMES   += normal interwork
33
34MULTILIB_OPTIONS    += marm/mthumb
35MULTILIB_DIRNAMES   += arm thumb
36MULTILIB_EXCEPTIONS += *mhard-float/*mthumb*
37
38MULTILIB_REDUNDANT_DIRS = interwork/thumb=thumb
39
40MULTILIB_OPTIONS    += mcpu=iwmmxt
41MULTILIB_DIRNAMES   += iwmmxt
42MULTILIB_REDUNDANT_DIRS += interwork/thumb/iwmmxt=thumb
43
44EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
45
46LIBGCC               = stmp-multilib
47INSTALL_LIBGCC       = install-multilib
48
49# Currently there is a bug somewhere in GCC's alias analysis
50# or scheduling code that is breaking _fpmul_parts in fp-bit.c.
51# Disabling function inlining is a workaround for this problem.
52TARGET_LIBGCC2_CFLAGS = -Dinhibit_libc -fno-inline
53
54# Assemble startup files.
55$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
56	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
57	-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm
58
59$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
60	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
61	-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm
62