Add @plt if -fpic; Fix double->int conversions if stack > 32k; Redo t-* files; Fix trampolines on System V systems

From-SVN: r13298

1 files changed, 69 insertions, 0 deletions

diff --git a/gcc/config/rs6000/t-ppccomm b/gcc/config/rs6000/t-ppccomm
new file mode 100644
index 0000000..145fcae
--- /dev/null
+++ b/gcc/config/rs6000/t-ppccomm
@@ -0,0 +1,69 @@
+# Common support for PowerPC eabi, System V targets.
+
+# Do not build libgcc1.
+LIBGCC1 =
+CROSS_LIBGCC1 =
+
+# These are really part of libgcc1, but this will cause them to be
+# built correctly, so... [taken from t-sparclite]
+LIB2FUNCS_EXTRA = fp-bit.c dp-bit.c eabi.S eabi-ctors.c tramp.S
+
+dp-bit.c: $(srcdir)/config/fp-bit.c
+	cat $(srcdir)/config/fp-bit.c > dp-bit.c
+
+fp-bit.c: $(srcdir)/config/fp-bit.c
+	echo '#define FLOAT' > fp-bit.c
+	cat $(srcdir)/config/fp-bit.c >> fp-bit.c
+
+eabi.S: $(srcdir)/config/rs6000/eabi.asm
+	cat $(srcdir)/config/rs6000/eabi.asm > eabi.S
+
+eabi-ctors.c: $(srcdir)/config/rs6000/eabi-ctors.c
+	cat $(srcdir)/config/rs6000/eabi-ctors.c > eabi-ctors.c
+
+tramp.S: $(srcdir)/config/rs6000/tramp.asm
+	cat $(srcdir)/config/rs6000/tramp.asm > tramp.S
+
+# Switch synonyms
+MULTILIB_MATCHES_FLOAT	= msoft-float=mcpu?403 msoft-float=mcpu?821 msoft-float=mcpu?860
+MULTILIB_MATCHES_ENDIAN	= mlittle=mlittle-endian mbig=mbig-endian
+MULTILIB_MATCHES_SYSV	= mcall-sysv=mcall-sysv-eabi mcall-sysv=mcall-sysv-noeabi
+
+LIBGCC = stmp-multilib
+INSTALL_LIBGCC = install-multilib
+EXTRA_MULTILIB_PARTS = ecrti$(objext) ecrtn$(objext) scrt0$(objext) scrti$(objext) scrtn$(objext)
+
+# We build {e,s}crti.o, {e,s}crtn.o, and scrt0.o which serve to add begin and
+# end labels to all of the special sections used when we link using gcc.
+
+# Assemble startup files.
+ecrti.S: $(srcdir)/config/rs6000/eabi-ci.asm
+	cat $(srcdir)/config/rs6000/eabi-ci.asm >ecrti.S
+
+ecrtn.S: $(srcdir)/config/rs6000/eabi-cn.asm
+	cat $(srcdir)/config/rs6000/eabi-cn.asm >ecrtn.S
+
+scrti.S: $(srcdir)/config/rs6000/sol-ci.asm
+	cat $(srcdir)/config/rs6000/sol-ci.asm >scrti.S
+
+scrtn.S: $(srcdir)/config/rs6000/sol-cn.asm
+	cat $(srcdir)/config/rs6000/sol-cn.asm >scrtn.S
+
+scrt0.c: $(srcdir)/config/rs6000/sol-c0.c
+	cat $(srcdir)/config/rs6000/sol-c0.c >scrt0.c
+
+# Build multiple copies of ?crt{i,n}.o, one for each target switch.
+$(T)ecrti$(objext): ecrti.S
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrti.S -o $(T)ecrti$(objext)
+
+$(T)ecrtn$(objext): ecrtn.S
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c ecrtn.S -o $(T)ecrtn$(objext)
+
+$(T)scrti$(objext): scrti.S
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c scrti.S -o $(T)scrti$(objext)
+
+$(T)scrtn$(objext): scrtn.S
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c scrtn.S -o $(T)scrtn$(objext)
+
+$(T)scrt0$(objext): scrt0.c
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(INCLUDES) $(MULTILIB_CFLAGS) -c scrt0.c -o $(T)scrt0$(objext)