Fix libgcc build for moxie.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@155609 138bc75d-0d04-0410-961f-82ee72b054a4

5 files changed, 149 insertions, 0 deletions

diff --git a/libgcc/config/moxie/crti.asm b/libgcc/config/moxie/crti.asm
new file mode 100644
index 00000000000..f44582799a3
--- /dev/null
+++ b/libgcc/config/moxie/crti.asm
@@ -0,0 +1,40 @@
+# crti.asm for moxie
+#
+#   Copyright (C) 2009 Free Software Foundation
+# 
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 3, or (at your option) any
+# later version.
+# 
+# This file is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# Under Section 7 of GPL version 3, you are granted additional
+# permissions described in the GCC Runtime Library Exception, version
+# 3.1, as published by the Free Software Foundation.
+#
+# You should have received a copy of the GNU General Public License and
+# a copy of the GCC Runtime Library Exception along with this program;
+# see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+# This file just make a stack frame for the contents of the .fini and
+# .init sections.  Users may put any desired instructions in those
+# sections.
+
+	.file		"crti.asm"
+
+	.section	".init"
+	.global	_init
+	.type	_init, @function	
+	.p2align	1
+_init:
+
+	.section	".fini"
+	.global	_fini
+	.type	_fini,@function
+	.p2align	1
+_fini:
diff --git a/libgcc/config/moxie/crtn.asm b/libgcc/config/moxie/crtn.asm
new file mode 100644
index 00000000000..3ac9d31eed8
--- /dev/null
+++ b/libgcc/config/moxie/crtn.asm
@@ -0,0 +1,34 @@
+# crtn.asm for moxie
+# 
+#   Copyright (C) 2009 Free Software Foundation
+# 
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 3, or (at your option) any
+# later version.
+# 
+# This file is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# Under Section 7 of GPL version 3, you are granted additional
+# permissions described in the GCC Runtime Library Exception, version
+# 3.1, as published by the Free Software Foundation.
+#
+# You should have received a copy of the GNU General Public License and
+# a copy of the GCC Runtime Library Exception along with this program;
+# see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+# <http://www.gnu.org/licenses/>.
+
+# This file just makes sure that the .fini and .init sections do in
+# fact return.  Users may put any desired instructions in those sections.
+# This file is the last thing linked into any executable.
+
+	.file		"crtn.asm"
+
+	.section	".init"
+	ret
+	
+	.section	".fini"
+	ret
diff --git a/libgcc/config/moxie/sfp-machine.h b/libgcc/config/moxie/sfp-machine.h
new file mode 100644
index 00000000000..98f9f1bf491
--- /dev/null
+++ b/libgcc/config/moxie/sfp-machine.h
@@ -0,0 +1,57 @@
+#define _FP_W_TYPE_SIZE		32
+#define _FP_W_TYPE		unsigned long
+#define _FP_WS_TYPE		signed long
+#define _FP_I_TYPE		long
+
+/* The type of the result of a floating point comparison.  This must
+   match `__libgcc_cmp_return__' in GCC for the target.  */
+typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
+#define CMPtype __gcc_CMPtype
+
+#define _FP_MUL_MEAT_S(R,X,Y)				\
+  _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_D(R,X,Y)				\
+  _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
+#define _FP_MUL_MEAT_Q(R,X,Y)				\
+  _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
+
+#define _FP_DIV_MEAT_S(R,X,Y)	_FP_DIV_MEAT_1_loop(S,R,X,Y)
+#define _FP_DIV_MEAT_D(R,X,Y)	_FP_DIV_MEAT_2_udiv(D,R,X,Y)
+#define _FP_DIV_MEAT_Q(R,X,Y)	_FP_DIV_MEAT_4_udiv(Q,R,X,Y)
+
+#define _FP_NANFRAC_S		((_FP_QNANBIT_S << 1) - 1)
+#define _FP_NANFRAC_D		((_FP_QNANBIT_D << 1) - 1), -1
+#define _FP_NANFRAC_Q		((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
+#define _FP_NANSIGN_S		0
+#define _FP_NANSIGN_D		0
+#define _FP_NANSIGN_Q		0
+
+#define _FP_KEEPNANFRACP 1
+
+/* Someone please check this.  */
+#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\
+  do {								\
+    if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)		\
+	&& !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs))	\
+      {								\
+	R##_s = Y##_s;						\
+	_FP_FRAC_COPY_##wc(R,Y);				\
+      }								\
+    else							\
+      {								\
+	R##_s = X##_s;						\
+	_FP_FRAC_COPY_##wc(R,X);				\
+      }								\
+    R##_c = FP_CLS_NAN;						\
+  } while (0)
+
+#define	__LITTLE_ENDIAN	1234
+#define	__BIG_ENDIAN	4321
+
+# define __BYTE_ORDER __BIG_ENDIAN
+
+/* Define ALIASNAME as a strong alias for NAME.  */
+# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
+# define _strong_alias(name, aliasname) \
+  extern __typeof (name) aliasname __attribute__ ((alias (#name)));
+
diff --git a/libgcc/config/moxie/t-moxie b/libgcc/config/moxie/t-moxie
new file mode 100644
index 00000000000..6e62aec2224
--- /dev/null
+++ b/libgcc/config/moxie/t-moxie
@@ -0,0 +1,9 @@
+# Assemble startup files.
+
+$(T)crti.o: $(srcdir)/config/moxie/crti.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+	-c -o $(T)crti.o -x assembler-with-cpp $(srcdir)/config/moxie/crti.asm
+
+$(T)crtn.o: $(srcdir)/config/moxie/crtn.asm $(GCC_PASSES)
+	$(GCC_FOR_TARGET) $(GCC_CFLAGS) $(MULTILIB_CFLAGS) $(INCLUDES) \
+	-c -o $(T)crtn.o -x assembler-with-cpp $(srcdir)/config/moxie/crtn.asm
diff --git a/libgcc/config/moxie/t-moxie-softfp b/libgcc/config/moxie/t-moxie-softfp
new file mode 100644
index 00000000000..61c575132e9
--- /dev/null
+++ b/libgcc/config/moxie/t-moxie-softfp
@@ -0,0 +1,9 @@
+softfp_float_modes := sf df
+softfp_int_modes := si di
+softfp_extensions := sfdf
+softfp_truncations := dfsf
+softfp_machine_header := moxie/sfp-machine.h
+softfp_exclude_libgcc2 := y
+
+# softfp seems to be missing a whole bunch of prototypes.
+TARGET_LIBGCC2_CFLAGS += -Wno-missing-prototypes