* config.gcc: Add cris-*-aout, cris-*-elf, cris-*-none,

	cris-*-linux* cases.
	* config/cris/cris-protos.h: New file.
	* config/cris/cris.c: New file.
	* config/cris/cris.h: New file.
	* config/cris/cris.md: New file.
	* config/cris/linux.h: New file.
	* config/cris/aout.h: New file.
	* config/cris/arit.c: New file.
	* config/cris/cris_abi_symbol.c: New file.
	* config/cris/mulsi3.asm: New file.
	* config/cris/t-aout: New file.
	* config/cris/t-cris: New file.
	* config/cris/t-elfmulti: New file.
	* config/cris/t-linux: New file.
	* doc/invoke.texi: Add CRIS options.
	* doc/install.texi (Specific): Add blurb for CRIS.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46191 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 134 insertions, 0 deletions

diff --git a/gcc/config/cris/linux.h b/gcc/config/cris/linux.h
new file mode 100644
index 00000000000..b02e19e2a41
--- /dev/null
+++ b/gcc/config/cris/linux.h
@@ -0,0 +1,134 @@
+/* Definitions for GCC.  Part of the machine description for CRIS.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+   Contributed by Axis Communications.  Written by Hans-Peter Nilsson.
+
+This file is part of GCC.
+
+GCC 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 2, or (at your option)
+any later version.
+
+GCC 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.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+
+/* After the first "Node:" comment comes all preprocessor directives and
+   attached declarations described in the info files, the "Using and
+   Porting GCC" manual (uapgcc), in the same order as found in the "Target
+   macros" section in the gcc-2.9x CVS edition of 2000-03-17.  FIXME: Not
+   really, but needs an update anyway.
+
+   There is no generic copy-of-uapgcc comment, you'll have to see uapgcc
+   for that.  If applicable, there is a CRIS-specific comment.  The order
+   of macro definitions follow the order in the manual.  Every section in
+   the manual (node in the info pages) has an introductory `Node:
+   <subchapter>' comment.  If no macros are defined for a section, only
+   the section-comment is present.  */
+
+/* This file defines the macros for cris-axis-linux-gnu that are not
+   covered by cris.h, elfos.h and (config/)linux.h.  */
+
+
+/* Node: Instruction Output */
+
+#undef USER_LABEL_PREFIX
+#define USER_LABEL_PREFIX ""
+
+/* Node: Driver */
+/* These macros are CRIS-specific, but used in target driver macros.  */
+
+#undef CRIS_CPP_SUBTARGET_SPEC
+#define CRIS_CPP_SUBTARGET_SPEC \
+  "-D__linux__ -D__unix__  -D__ELF__\
+   %{pthread:-D_REENTRANT}\
+   %{fPIC|fpic: -D__PIC__ -D__pic__}\
+   %{!fleading-underscore:-fno-leading-underscore -D__NO_UNDERSCORES__}\
+   %{!march=*:%{!cpu=*:-D__arch_v10 -D__CRIS_arch_version=10}}\
+   %{!ansi:%{!std=*:%{!undef:-Dlinux -Dunix}\
+     -Asystem(unix) -Asystem(posix) -Acpu(cris) -Amachine(cris)}}"
+
+#undef CRIS_CC1_SUBTARGET_SPEC
+#define CRIS_CC1_SUBTARGET_SPEC \
+ "%{!march=*:%{!cpu=*:-march=v10}}"
+
+#undef CRIS_ASM_SUBTARGET_SPEC
+#define CRIS_ASM_SUBTARGET_SPEC \
+ "--em=criself\
+  %{!fleading-underscore:--no-underscore}\
+  %{fPIC|fpic: --pic}"
+
+/* Provide a legacy -mlinux option.  */
+#undef CRIS_SUBTARGET_SWITCHES
+#define CRIS_SUBTARGET_SWITCHES						\
+ {"linux",				 0, ""},			\
+ {"gotplt",	 -TARGET_MASK_AVOID_GOTPLT, ""},			\
+ {"no-gotplt",	  TARGET_MASK_AVOID_GOTPLT,				\
+  N_("Together with -fpic and -fPIC, do not use GOTPLT references")},
+
+#undef CRIS_SUBTARGET_DEFAULT
+#define CRIS_SUBTARGET_DEFAULT			\
+  (TARGET_MASK_SVINTO				\
+   + TARGET_MASK_ETRAX4_ADD			\
+   + TARGET_MASK_ALIGN_BY_32			\
+   + TARGET_MASK_ELF				\
+   + TARGET_MASK_LINUX)
+
+#undef CRIS_DEFAULT_CPU_VERSION
+#define CRIS_DEFAULT_CPU_VERSION CRIS_CPU_NG
+
+#undef CRIS_SUBTARGET_VERSION
+#define CRIS_SUBTARGET_VERSION " - cris-axis-linux-gnu"
+
+
+/* Redefine what was in svr4.h.  Include order madness makes it less
+   useful to include (config/)linux.h after cris.h.  (config/)linux.h
+   includes svr4.h which undef:s lots of supposedly arch-specific macros
+   carefully defined by cris.h.  */
+#undef LIB_SPEC
+#define LIB_SPEC "%{!shared:%{!symbolic:-lc}}"
+
+/* We need an -rpath-link to ld.so.1, and presumably to each directory
+   specified with -B.  */
+#undef CRIS_LINK_SUBTARGET_SPEC
+#define CRIS_LINK_SUBTARGET_SPEC \
+ "-mcrislinux\
+  -rpath-link include/asm/../..%s\
+  %{shared} %{static}\
+  %{symbolic:-Bdynamic} %{shlib:-Bdynamic} %{static:-Bstatic}\
+  %{!shared:%{!static:%{rdynamic:-export-dynamic}}}\
+  %{O2|O3: --gc-sections}"
+
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC \
+ "%{!shared:\
+   %{pg:gcrt1.o%s}\
+   %{!pg:\
+    %{p:gcrt1.o%s}\
+    %{!p:\
+     %{profile:gcrt1.o%s}\
+     %{!profile:crt1.o%s}}}}\
+  crti.o%s\
+  %{!shared:crtbegin.o%s}\
+  %{shared:crtbeginS.o%s}"
+
+
+/* Node: Sections */
+
+/* GNU/Linux has crti and crtn and does not need the
+   FORCE_INIT_SECTION_ALIGN trick in cris.h.  */
+#undef FORCE_INIT_SECTION_ALIGN
+
+/*
+ * Local variables:
+ * eval: (c-set-style "gnu")
+ * indent-tabs-mode: t
+ * End:
+ */