/* Xtensa/Elf configuration.
Derived from the configuration for GCC for Intel i386 running Linux.
- Copyright (C) 2001 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2003, 2006, 2007 Free Software Foundation, Inc.
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
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
-/* Don't assume anything about the header files. */
+#define TARGET_SECTION_TYPE_FLAGS xtensa_multibss_section_type_flags
+
+/* Don't assume anything about the header files. */
#define NO_IMPLICIT_EXTERN_C
#undef ASM_APP_ON
#undef TARGET_VERSION
#define TARGET_VERSION fputs (" (Xtensa/ELF)", stderr);
-#undef SIZE_TYPE
-#define SIZE_TYPE "unsigned int"
-
-#undef PTRDIFF_TYPE
-#define PTRDIFF_TYPE "int"
-
#undef WCHAR_TYPE
-#define WCHAR_TYPE "int"
+#define WCHAR_TYPE "short unsigned int"
#undef WCHAR_TYPE_SIZE
-#define WCHAR_TYPE_SIZE BITS_PER_WORD
+#define WCHAR_TYPE_SIZE 16
#undef ASM_SPEC
-#define ASM_SPEC "%{v} %{mno-density:--no-density} \
- %{mtext-section-literals:--text-section-literals} \
- %{mno-text-section-literals:--no-text-section-literals} \
- %{mtarget-align:--target-align} \
- %{mno-target-align:--no-target-align} \
- %{mlongcalls:--longcalls} \
- %{mno-longcalls:--no-longcalls}"
-
-#undef ASM_FINAL_SPEC
+#define ASM_SPEC \
+ "%{v} \
+ %{mtext-section-literals:--text-section-literals} \
+ %{mno-text-section-literals:--no-text-section-literals} \
+ %{mtarget-align:--target-align} \
+ %{mno-target-align:--no-target-align} \
+ %{mlongcalls:--longcalls} \
+ %{mno-longcalls:--no-longcalls}"
#undef LIB_SPEC
#define LIB_SPEC "-lc -lsim -lc -lhandlers-sim -lhal"
#undef STARTFILE_SPEC
-#define STARTFILE_SPEC "crt1-sim%O%s crti%O%s crtbegin%O%s _vectors%O%s"
+#define STARTFILE_SPEC \
+ "crt1-sim%O%s crt0%O%s crti%O%s crtbegin%O%s _vectors%O%s"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "crtend%O%s crtn%O%s"
%{rdynamic:-export-dynamic} \
%{static:-static}}}"
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-D__XTENSA__ -D__ELF__ -Acpu=xtensa -Amachine=xtensa"
-
-/* Local compiler-generated symbols must have a prefix that the assembler
- understands. By default, this is $, although some targets (e.g.,
- NetBSD-ELF) need to override this. */
-
-#ifndef LOCAL_LABEL_PREFIX
+#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."
-#endif
-/* By default, external symbols do not have an underscore prepended. */
-
-#ifndef USER_LABEL_PREFIX
-#define USER_LABEL_PREFIX ""
-#endif
-
-/* Define this macro if the assembler does not accept the character
- "." in label names. By default constructors and destructors in G++
- have names that use ".". If this macro is defined, these names
- are rewritten to avoid ".". */
-#define NO_DOT_IN_LABEL
-
-/* Define NO_DOLLAR_IN_LABEL in your favorite tm file if your assembler
- doesn't allow $ in symbol names. */
+/* Avoid dots for compatibility with VxWorks. */
#undef NO_DOLLAR_IN_LABEL
+#define NO_DOT_IN_LABEL
-/* Don't switch sections in the middle of a literal pool! */
-#undef SELECT_RTX_SECTION
-#define SELECT_RTX_SECTION(MODE,RTX,ALIGN)
-
/* Do not force "-fpic" for this target. */
#define XTENSA_ALWAYS_PIC 0
-/* Redefine the standard ELF version of ASM_DECLARE_FUNCTION_SIZE to
- allow adding the ".end literal_prefix" directive at the end of the
- function. */
-#undef ASM_DECLARE_FUNCTION_SIZE
-#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \
- do \
- { \
- if (!flag_inhibit_size_directive) \
- { \
- char label[256]; \
- static int labelno; \
- \
- labelno++; \
- \
- ASM_GENERATE_INTERNAL_LABEL (label, "Lfe", labelno); \
- ASM_OUTPUT_INTERNAL_LABEL (FILE, "Lfe", labelno); \
- \
- fprintf (FILE, "%s", SIZE_ASM_OP); \
- assemble_name (FILE, (FNAME)); \
- fprintf (FILE, ","); \
- assemble_name (FILE, label); \
- fprintf (FILE, "-"); \
- assemble_name (FILE, (FNAME)); \
- putc ('\n', FILE); \
- } \
- XTENSA_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL); \
- } \
- while (0)
+/* Search for headers in $tooldir/arch/include and for libraries and
+ startfiles in $tooldir/arch/lib. */
+#define GCC_DRIVER_HOST_INITIALIZATION \
+do \
+{ \
+ char *tooldir, *archdir; \
+ tooldir = concat (tooldir_base_prefix, spec_machine, \
+ dir_separator_str, NULL); \
+ if (!IS_ABSOLUTE_PATH (tooldir)) \
+ tooldir = concat (standard_exec_prefix, spec_machine, dir_separator_str, \
+ spec_version, dir_separator_str, tooldir, NULL); \
+ archdir = concat (tooldir, "arch", dir_separator_str, NULL); \
+ add_prefix (&startfile_prefixes, \
+ concat (archdir, "lib", dir_separator_str, NULL), \
+ "GCC", PREFIX_PRIORITY_LAST, 0, 1); \
+ add_prefix (&include_prefixes, archdir, \
+ "GCC", PREFIX_PRIORITY_LAST, 0, 0); \
+ } \
+while (0)
+
+#define HANDLE_PRAGMA_PACK_PUSH_POP 1
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