Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / sh / superh.h

diff --git a/gcc/config/sh/superh.h b/gcc/config/sh/superh.h
new file mode 100644 (file)
index 0000000..8892073
--- /dev/null
+++ b/gcc/config/sh/superh.h
@@ -0,0 +1,107 @@
+/* Definitions of target machine for gcc for Super-H using sh-superh-elf.
+   Copyright (C) 2001, 2006, 2007 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC 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.
+
+GNU CC 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 COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+
+/* This header file is used when the vendor name is set to 'superh'.
+   config.gcc already configured the compiler for SH4 only and switched
+   the default endianess to little (although big endian is still available).
+   This file configures the spec file to the default board configuration
+   but in such a way that it can be overridden by a boardspecs file
+   (using the -specs= option). This file is expected to disable the
+   defaults and provide options --defsym _start and --defsym _stack
+   which are required by the SuperH configuration of GNU ld.
+
+   This file is intended to override sh.h.  */
+
+
+#ifndef _SUPERH_H
+#define _SUPERH_H
+#endif
+
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (SuperH SH special %s)", __DATE__);
+
+/* Override the linker spec strings to use the new emulation
+   The specstrings are concatenated as follows
+   LINK_EMUL_PREFIX.(''|'32'|'64'|LINK_DEFAULT_CPU_EMUL).SUBTARGET_LINK_EMUL_SUFFIX
+*/
+#undef LINK_EMUL_PREFIX
+#undef SUBTARGET_LINK_EMUL_SUFFIX
+
+#define LINK_EMUL_PREFIX "superh"
+#define SUBTARGET_LINK_EMUL_SUFFIX ""
+
+/* Add the SUBTARGET_LINK_SPEC to add the board and runtime support and
+   change the endianness */
+#undef SUBTARGET_LINK_SPEC
+#if  TARGET_ENDIAN_DEFAULT == MASK_LITTLE_ENDIAN
+#define SUBTARGET_LINK_SPEC "%(board_link) %(ldruntime) %{ml|!mb:-EL}%{mb:-EB}"
+#else
+#define SUBTARGET_LINK_SPEC "%(board_link) %(ldruntime) %{ml:-EL}%{mb|!ml:-EB}"
+#endif
+
+
+/* This is used by the link spec if the boardspecs file is not used (for whatever reason).
+   If the boardspecs file overrides this then an alternative can be used. */
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS \
+{ "board_link", "--defsym _start=0x1000 --defsym _stack=0x30000" }, \
+{ "asruntime", "" }, \
+{ "cppruntime", "-D__GDB_SIM__" }, \
+{ "cc1runtime", "" }, \
+{ "ldruntime", "" }, \
+{ "libruntime", "-lc -lgloss" }
+
+
+/* Set the SUBTARGET_CPP_SPEC to define __EMBEDDED_CROSS__ which has an effect
+   on newlib and provide the runtime support */
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC \
+"-D__EMBEDDED_CROSS__ %{m4-100*:-D__SH4_100__} %{m4-200*:-D__SH4_200__} %{m4-300*:-D__SH4_300__} %{m4-340:-D__SH4_340__} %{m4-400:-D__SH4_400__} %{m4-500:-D__SH4_500__} \
+%(cppruntime)"
+
+/* Override the SUBTARGET_ASM_SPEC to add the runtime support */
+#undef SUBTARGET_ASM_SPEC
+#define SUBTARGET_ASM_SPEC "%{m4-100*|m4-200*:-isa=sh4} %{m4-400|m4-340:-isa=sh4-nommu-nofpu} %{m4-500:-isa=sh4-nofpu} %(asruntime)"
+
+/* Override the SUBTARGET_ASM_RELAX_SPEC so it doesn't interfere with the
+   runtime support by adding -isa=sh4 in the wrong place.  */
+#undef SUBTARGET_ASM_RELAX_SPEC
+#define SUBTARGET_ASM_RELAX_SPEC "%{!m4-100*:%{!m4-200*:%{!m4-300*:%{!m4-340:%{!m4-400:%{!m4-500:-isa=sh4}}}}}}"
+
+/* Create the CC1_SPEC to add the runtime support */
+#undef CC1_SPEC
+#define CC1_SPEC "%(cc1runtime)"
+
+#undef CC1PLUS_SPEC
+#define CC1PLUS_SPEC "%(cc1runtime)"
+
+
+/* Override the LIB_SPEC to add the runtime support */
+#undef LIB_SPEC
+#define LIB_SPEC "%{!shared:%{!symbolic:%(libruntime) -lc}} %{pg:-lprofile -lc}"
+
+/* Override STARTFILE_SPEC to add profiling and MMU support.  */
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC \
+  "%{!shared: %{!m4-400*:%{!m4-340*: %{pg:gcrt1-mmu.o%s}%{!pg:crt1-mmu.o%s}}}} \
+   %{!shared: %{m4-340*|m4-400*: %{pg:gcrt1.o%s}%{!pg:crt1.o%s}}} \
+   crti.o%s \
+   %{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"