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 $(srcdir)/config/fp-bit.c >> dp-bit.c 22 23MULTILIB_OPTIONS = mbig-endian 24MULTILIB_DIRNAMES = be 25MULTILIB_EXCEPTIONS = 26MULTILIB_MATCHES = mbig-endian=mbe mlittle-endian=mle 27 28# Note XScale does not support hard FP 29 30MULTILIB_OPTIONS += mthumb-interwork 31MULTILIB_DIRNAMES += interwork 32 33MULTILIB_OPTIONS += mthumb 34MULTILIB_DIRNAMES += thumb 35MULTILIB_EXCEPTIONS += *mhard-float/*mthumb* 36 37MULTILIB_REDUNDANT_DIRS = interwork/thumb=thumb 38 39# The iWMMXt multilibs are suppressed for now because gcc only 40# supports generating them with the IWMMXT or AAPCS ABIs, neither of 41# which is the default. Until GCC can generate code for an iWMMXt 42# which will work with the default ABI it is not possible to safely 43# generate these multilibs. 44# 45# MULTILIB_OPTIONS += mcpu=iwmmxt 46# MULTILIB_DIRNAMES += iwmmxt 47# MULTILIB_REDUNDANT_DIRS += interwork/thumb/iwmmxt=thumb 48 49EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o 50 51LIBGCC = stmp-multilib 52INSTALL_LIBGCC = install-multilib 53 54# Currently there is a bug somewhere in GCC's alias analysis 55# or scheduling code that is breaking _fpmul_parts in fp-bit.c. 56# Disabling function inlining is a workaround for this problem. 57TARGET_LIBGCC2_CFLAGS = -fno-inline 58 59# Assemble startup files. 60$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES) 61 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \ 62 -c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm 63 64$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES) 65 $(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \ 66 -c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm 67