1# Common support for PowerPC ELF targets (both EABI and SVR4).
2
3LIB2FUNCS_EXTRA += tramp.S $(srcdir)/config/rs6000/darwin-ldouble.c
4
5# This one can't end up in shared libgcc
6LIB2FUNCS_STATIC_EXTRA = eabi.S
7
8eabi.S: $(srcdir)/config/rs6000/eabi.asm
9	cat $(srcdir)/config/rs6000/eabi.asm > eabi.S
10
11tramp.S: $(srcdir)/config/rs6000/tramp.asm
12	cat $(srcdir)/config/rs6000/tramp.asm > tramp.S
13
14ifneq (,$(findstring gnu,$(target)))
15ifeq (,$(findstring spe,$(target)))
16TARGET_LIBGCC2_CFLAGS += -mlong-double-128
17
18SHLIB_MAPFILES += $(srcdir)/config/rs6000/libgcc-ppc-glibc.ver
19endif
20endif
21
22# Switch synonyms
23MULTILIB_MATCHES_ENDIAN	= mlittle=mlittle-endian mbig=mbig-endian
24MULTILIB_MATCHES_SYSV	= mcall-sysv=mcall-sysv-eabi mcall-sysv=mcall-sysv-noeabi mcall-sysv=mcall-linux mcall-sysv=mcall-netbsd
25
26EXTRA_MULTILIB_PARTS = crtbegin$(objext) crtend$(objext) \
27  crtbeginS$(objext) crtendS$(objext) crtbeginT$(objext) \
28  ecrti$(objext) ecrtn$(objext) \
29  ncrti$(objext) ncrtn$(objext) \
30  crtsavres$(objext)
31
32# We build {e,n}crti.o and {e,n}crtn.o, which serve to add begin and
33# end labels to all of the special sections used when we link using gcc.
34
35# Assemble startup files.
36ecrti.S: $(srcdir)/config/rs6000/eabi-ci.asm
37	cat $(srcdir)/config/rs6000/eabi-ci.asm >ecrti.S
38
39ecrtn.S: $(srcdir)/config/rs6000/eabi-cn.asm
40	cat $(srcdir)/config/rs6000/eabi-cn.asm >ecrtn.S
41
42ncrti.S: $(srcdir)/config/rs6000/sol-ci.asm
43	cat $(srcdir)/config/rs6000/sol-ci.asm >ncrti.S
44
45ncrtn.S: $(srcdir)/config/rs6000/sol-cn.asm
46	cat $(srcdir)/config/rs6000/sol-cn.asm >ncrtn.S
47
48crtsavres.S: $(srcdir)/config/rs6000/crtsavres.asm
49	cat $(srcdir)/config/rs6000/crtsavres.asm >crtsavres.S
50
51# Build multiple copies of ?crt{i,n}.o, one for each target switch.
52$(T)ecrti$(objext): ecrti.S
53	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrti.S -o $(T)ecrti$(objext)
54
55$(T)ecrtn$(objext): ecrtn.S
56	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrtn.S -o $(T)ecrtn$(objext)
57
58$(T)ncrti$(objext): ncrti.S
59	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ncrti.S -o $(T)ncrti$(objext)
60
61$(T)ncrtn$(objext): ncrtn.S
62	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ncrtn.S -o $(T)ncrtn$(objext)
63
64$(T)crtsavres$(objext): crtsavres.S
65	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c crtsavres.S -o $(T)crtsavres$(objext)
66
67# It is important that crtbegin.o, etc., aren't surprised by stuff in .sdata.
68CRTSTUFF_T_CFLAGS = -msdata=none
69# Make sure crt*.o are built with -fPIC even if configured with 
70# --enable-shared --disable-multilib
71CRTSTUFF_T_CFLAGS_S = -fPIC -msdata=none
72