94 lines
3.5 KiB
Plaintext
94 lines
3.5 KiB
Plaintext
LIB1ASMSRC = arm/lib1funcs.asm
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LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _bb_init_func _call_via_rX _interwork_call_via_rX
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# We want fine grained libraries, so use the new code to build the
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# floating point emulation libraries.
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FPBIT = fp-bit.c
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DPBIT = dp-bit.c
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fp-bit.c: $(srcdir)/config/fp-bit.c
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echo '#define FLOAT' > fp-bit.c
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echo '#ifndef __ARMEB__' >> fp-bit.c
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echo '#define FLOAT_BIT_ORDER_MISMATCH' >> fp-bit.c
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echo '#endif' >> fp-bit.c
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cat $(srcdir)/config/fp-bit.c >> fp-bit.c
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dp-bit.c: $(srcdir)/config/fp-bit.c
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echo '#ifndef __ARMEB__' > dp-bit.c
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echo '#define FLOAT_BIT_ORDER_MISMATCH' >> dp-bit.c
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echo '#define FLOAT_WORD_ORDER_MISMATCH' >> dp-bit.c
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echo '#endif' >> dp-bit.c
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cat $(srcdir)/config/fp-bit.c >> dp-bit.c
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MULTILIB_OPTIONS = marm/mthumb
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MULTILIB_DIRNAMES = arm thumb
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MULTILIB_EXCEPTIONS =
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# MULTILIB_OPTIONS = mlittle-endian/mbig-endian
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# MULTILIB_DIRNAMES = le be
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# MULTILIB_EXCEPTIONS =
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# MULTILIB_MATCHES = mbig-endian=mbe mlittle-endian=mle
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#
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# MULTILIB_OPTIONS += mhard-float/msoft-float
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# MULTILIB_DIRNAMES += fpu soft
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#
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# MULTILIB_OPTIONS += mapcs-32/mapcs-26
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# MULTILIB_DIRNAMES += 32bit 26bit
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#
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# MULTILIB_OPTIONS += mno-thumb-interwork/mthumb-interwork
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# MULTILIB_DIRNAMES += normal interwork
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# MULTILIB_EXCEPTIONS += *mapcs-26/*mthumb-interwork*
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#
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# MULTILIB_OPTIONS += fno-leading-underscore/fleading-underscore
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# MULTILIB_DIRNAMES += elf under
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#
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# MULTILIB_OPTIONS += mcpu=arm7
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# MULTILIB_DIRNAMES += nofmult
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# MULTILIB_EXCEPTIONS += *mthumb*/*mcpu=arm7*
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# # Note: the multilib_exceptions matches both -mthumb and
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# # -mthumb-interwork
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# #
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# # We have to match all the arm cpu variants which do not have the
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# # multiply instruction and treat them as if the user had specified
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# # -mcpu=arm7. Note that in the following the ? is interpreted as
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# # an = for the purposes of matching command line options.
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# # FIXME: There ought to be a better way to do this.
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm7d
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm7di
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm70
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm700
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm700i
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm710
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm710c
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm7100
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm7500
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm7500fe
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm6
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm60
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm600
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm610
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# MULTILIB_MATCHES += mcpu?arm7=mcpu?arm620
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EXTRA_MULTILIB_PARTS = crtbegin.o crtend.o crti.o crtn.o
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# If EXTRA_MULTILIB_PARTS is not defined above then define EXTRA_PARTS here
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# EXTRA_PARTS = crtbegin.o crtend.o crti.o crtn.o
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LIBGCC = stmp-multilib
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INSTALL_LIBGCC = install-multilib
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# Currently there is a bug somewhere in GCC's alias analysis
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# or scheduling code that is breaking _fpmul_parts in fp-bit.c.
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# Disabling function inlining is a workaround for this problem.
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TARGET_LIBGCC2_CFLAGS = -Dinhibit_libc -fno-inline
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# Assemble startup files.
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$(T)crti.o: $(srcdir)/config/arm/crti.asm $(GCC_PASSES)
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$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
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-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/arm/crti.asm
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$(T)crtn.o: $(srcdir)/config/arm/crtn.asm $(GCC_PASSES)
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$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
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-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/arm/crtn.asm
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