6,6 → 6,24 |
|
export SDK_DIR:= $(abspath ../../../../sdk) |
|
double_type_size = 64 |
long_double_type_size = 96 |
decimal_float = yes |
enable_decimal_float = bid |
fixed_point = no |
|
FPBIT = true |
|
DPBIT = true |
D32PBIT = 1 |
D64PBIT = 1 |
D128PBIT = 1 |
|
# List of functions not to build from libgcc2.c. |
|
LIB2FUNCS_EXCLUDE = |
|
|
CFLAGS_OPT+= -fomit-frame-pointer -fno-ident -mno-ms-bitfields |
CFLAGS_OPT+= -fbuilding-libgcc -fno-stack-protector |
|
14,10 → 32,28 |
CFLAGS+= -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes |
CFLAGS+= -Wmissing-prototypes -Wold-style-definition $(CFLAGS_OPT) |
|
INCLUDES = -I../gcc -I../include |
INCLUDES = -I. -I../gcc -I../include |
|
gcc_compile = $(CC) $(INCLUDES) $(CFLAGS) |
|
objext = .o |
|
FPBIT_FUNCS = _pack_sf _unpack_sf _addsub_sf _mul_sf _div_sf \ |
_fpcmp_parts_sf _compare_sf _eq_sf _ne_sf _gt_sf _ge_sf \ |
_lt_sf _le_sf _unord_sf _si_to_sf _sf_to_si _negate_sf _make_sf \ |
_sf_to_df _sf_to_tf _thenan_sf _sf_to_usi _usi_to_sf |
|
DPBIT_FUNCS = _pack_df _unpack_df _addsub_df _mul_df _div_df \ |
_fpcmp_parts_df _compare_df _eq_df _ne_df _gt_df _ge_df \ |
_lt_df _le_df _unord_df _si_to_df _df_to_si _negate_df _make_df \ |
_df_to_sf _df_to_tf _thenan_df _df_to_usi _usi_to_df |
|
TPBIT_FUNCS = _pack_tf _unpack_tf _addsub_tf _mul_tf _div_tf \ |
_fpcmp_parts_tf _compare_tf _eq_tf _ne_tf _gt_tf _ge_tf \ |
_lt_tf _le_tf _unord_tf _si_to_tf _tf_to_si _negate_tf _make_tf \ |
_tf_to_df _tf_to_sf _thenan_tf _tf_to_usi _usi_to_tf |
|
|
lib2funcs = _muldi3 _negdi2 _lshrdi3 _ashldi3 _ashrdi3 _cmpdi2 _ucmpdi2 \ |
_clear_cache _trampoline __main _absvsi2 _absvdi2 _addvsi3 \ |
_addvdi3 _subvsi3 _subvdi3 _mulvsi3 _mulvdi3 _negvsi2 _negvdi2 \ |
27,10 → 63,8 |
_multc3 _divsc3 _divdc3 _divxc3 _divtc3 _bswapsi2 _bswapdi2 \ |
_clrsbsi2 _clrsbdi2 |
|
|
swfloatfuncs = $(patsubst %,_fixuns%XX,sf df xf) |
|
|
dwfloatfuncs = $(patsubst %,_fix%XX,sf df xf tf) \ |
$(patsubst %,_fixuns%XX,sf df xf tf) \ |
$(patsubst %,_floatXX%,sf df xf tf) \ |
39,18 → 73,127 |
lib2funcs += $(subst XX,si,$(swfloatfuncs)) |
lib2funcs += $(subst XX,di,$(dwfloatfuncs)) |
|
# targets |
lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST)) |
|
all: libgcc.a |
$(lib2funcs-o): %$(objext): libgcc2.c |
$(gcc_compile) -DL$* -c $< -o $@ |
|
lib2funcs-o = $(patsubst %,%$(objext),$(lib2funcs) $(LIB2FUNCS_ST)) |
libgcc-objects = |
|
ifeq ($(TPBIT),) |
# _sf_to_tf and _df_to_tf require tp-bit.c being compiled in. |
FPBIT_FUNCS := $(filter-out _sf_to_tf,$(FPBIT_FUNCS)) |
DPBIT_FUNCS := $(filter-out _df_to_tf,$(DPBIT_FUNCS)) |
endif |
|
$(lib2funcs-o): %$(objext): libgcc2.c |
$(CC) $(INCLUDES) $(CFLAGS) -DL$* -c $< -o $@ |
FPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(FPBIT_FUNCS)) |
DPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(DPBIT_FUNCS)) |
TPBIT_FUNCS := $(filter-out $(LIB2FUNCS_EXCLUDE),$(TPBIT_FUNCS)) |
|
libgcc.a : $(lib2funcs-o) MAkefile |
$(AR) crs libgcc.a $(lib2funcs-o) |
fpbit-src := fp-bit.c |
|
# Build FPBIT. |
ifneq ($(FPBIT),) |
fpbit-o = $(patsubst %,%$(objext),$(FPBIT_FUNCS)) |
$(fpbit-o): %$(objext): $(fpbit-src) |
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DFLOAT $(FPBIT_CFLAGS) -c $< -o $@ |
libgcc-objects += $(fpbit-o) |
endif |
|
# Build DPBIT. |
ifneq ($(DPBIT),) |
dpbit-o = $(patsubst %,%$(objext),$(DPBIT_FUNCS)) |
$(dpbit-o): %$(objext): $(fpbit-src) |
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* $(DPBIT_CFLAGS) -c $< -o $@ |
libgcc-objects += $(dpbit-o) |
endif |
|
# Build TPBIT. |
ifneq ($(TPBIT),) |
tpbit-o = $(patsubst %,%$(objext),$(TPBIT_FUNCS)) |
$(tpbit-o): %$(objext): $(fpbit-src) |
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DTFLOAT $(TPBIT_CFLAGS) -c $< -o $@ |
libgcc-objects += $(tpbit-o) |
endif |
|
# Next build individual support functions. |
D32PBIT_FUNCS = _addsub_sd _div_sd _mul_sd _plus_sd _minus_sd \ |
_eq_sd _ne_sd _lt_sd _gt_sd _le_sd _ge_sd \ |
_sd_to_si _sd_to_di _sd_to_usi _sd_to_udi \ |
_si_to_sd _di_to_sd _usi_to_sd _udi_to_sd \ |
_sd_to_sf _sd_to_df _sd_to_xf _sd_to_tf \ |
_sf_to_sd _df_to_sd _xf_to_sd _tf_to_sd \ |
_sd_to_dd _sd_to_td _unord_sd _conv_sd |
|
D64PBIT_FUNCS = _addsub_dd _div_dd _mul_dd _plus_dd _minus_dd \ |
_eq_dd _ne_dd _lt_dd _gt_dd _le_dd _ge_dd \ |
_dd_to_si _dd_to_di _dd_to_usi _dd_to_udi \ |
_si_to_dd _di_to_dd _usi_to_dd _udi_to_dd \ |
_dd_to_sf _dd_to_df _dd_to_xf _dd_to_tf \ |
_sf_to_dd _df_to_dd _xf_to_dd _tf_to_dd \ |
_dd_to_sd _dd_to_td _unord_dd _conv_dd |
|
D128PBIT_FUNCS = _addsub_td _div_td _mul_td _plus_td _minus_td \ |
_eq_td _ne_td _lt_td _gt_td _le_td _ge_td \ |
_td_to_si _td_to_di _td_to_usi _td_to_udi \ |
_si_to_td _di_to_td _usi_to_td _udi_to_td \ |
_td_to_sf _td_to_df _td_to_xf _td_to_tf \ |
_sf_to_td _df_to_td _xf_to_td _tf_to_td \ |
_td_to_sd _td_to_dd _unord_td _conv_td |
|
ifeq ($(enable_decimal_float),bid) |
ifneq ($(D32PBIT),) |
D32PBIT_FUNCS:=$(filter-out _plus_sd _minus_sd _conv_sd, $(D32PBIT_FUNCS)) |
endif |
|
ifneq ($(D64PBIT),) |
D64PBIT_FUNCS:=$(filter-out _plus_dd _minus_dd _conv_dd, $(D64PBIT_FUNCS)) |
endif |
|
ifneq ($(D128PBIT),) |
D128PBIT_FUNCS:=$(filter-out _plus_td _minus_td _conv_td, $(D128PBIT_FUNCS)) |
endif |
endif |
|
ifneq ($(D32PBIT),) |
d32pbit-o = $(patsubst %,%$(objext),$(D32PBIT_FUNCS)) |
ifeq ($(enable_decimal_float),bid) |
$(d32pbit-o): %$(objext): config/libbid/%.c |
else |
$(d32pbit-o): %$(objext): $(srcdir)/dfp-bit.c |
endif |
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=32 -c $< -o $@ |
libgcc-objects += $(d32pbit-o) |
endif |
|
ifneq ($(D64PBIT),) |
d64pbit-o = $(patsubst %,%$(objext),$(D64PBIT_FUNCS)) |
ifeq ($(enable_decimal_float),bid) |
$(d64pbit-o): %$(objext): config/libbid/%.c |
else |
$(d64pbit-o): %$(objext): $(srcdir)/dfp-bit.c |
endif |
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=64 -c $< |
libgcc-objects += $(d64pbit-o) |
endif |
|
ifneq ($(D128PBIT),) |
d128pbit-o = $(patsubst %,%$(objext),$(D128PBIT_FUNCS)) |
ifeq ($(enable_decimal_float),bid) |
$(d128pbit-o): %$(objext): config/libbid/%.c |
else |
$(d128pbit-o): %$(objext): $(srcdir)/dfp-bit.c |
endif |
$(gcc_compile) -DFINE_GRAINED_LIBRARIES -DL$* -DWIDTH=128 -c $< |
libgcc-objects += $(d128pbit-o) |
endif |
|
# targets |
|
all: libgcc.a |
|
libgcc.a : $(lib2funcs-o) $(libgcc-objects) Makefile |
$(AR) crs libgcc.a $(lib2funcs-o) $(libgcc-objects) |
# mv -f libbfd.a $(SDK_DIR)/lib |
|
|