Add Darwin (Mac OS X kernel) native support.

        * config.gcc (powerpc-*-darwin*): Add native bits.
        * config/darwin.c: New file, generic Darwin support functions.
        * config/darwin.h: New file, generic Darwin definitions.
        * config/darwin-protos.h: New file, generic Darwin prototypes.
        * rs6000/darwin.h: New file, Darwin for PowerPC.
        * rs6000/t-darwin: New file, Darwin makefile fragment.
        * rs6000/rs6000.h (OBJECT_MACHO): New macro.
        (TARGET_MACHO): Ditto.
        (rs6000_abi): Add ABI_DARWIN.
        (RS6000_REG_SAVE): Add ABI_DARWIN case.
        (RS6000_SAVE_AREA): Ditto.
        (FP_ARG_MAX_REG): Ditto.
        (RETURN_ADDRESS_OFFSET): Ditto.
        * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
        cases.
        (rs6000_emit_move): Add ABI_DARWIN cases.
        (print_operand): Ditto.
        (first_reg_to_save): Ditto.
        (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
        (debug_stack_info): Ditto.
        (rs6000_emit_prologue): Ditto.
        (rs6000_emit_epilogue): Ditto.
        (output_profiler_hook): Ditto.
        (output_function_profiler): Ditto.
        (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
        (output_mi_thunk): Add TARGET_MACHO case.
        (add_compiler_stub): Ditto.
        (output_compiler_stub): Ditto.
        (no_previous_def): Ditto.
        (output_call): Ditto.
        (machopic_output_stub): Ditto.
        (rs6000_machopic_legitimize_pic_address): Ditto.
        (toc_section): Ditto.
        * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
        (macho_high): Ditto.
        (macho_low): Ditto.
        (movsi_low): Ditto.
        (load_macho_picbase): Ditto.
        (call): Add TARGET_MACHO case to modify function.
        (call_value): Ditto.
        (call_nonlocal_sysv): Add ABI_DARWIN case.
        (call_value_nonlocal_sysv): Ditto.
        * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
        Add prototype.
        (machopic_output_stub): Ditto.
        * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.

From-SVN: r41277

1 files changed, 57 insertions, 0 deletions

diff --git a/gcc/config/darwin-protos.h b/gcc/config/darwin-protos.h
new file mode 100644
index 0000000..b2326c0
--- /dev/null
+++ b/gcc/config/darwin-protos.h
@@ -0,0 +1,57 @@
+/* Prototypes.
+   Copyright (C) 2001 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 2, 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 GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+extern int name_needs_quotes PARAMS ((const char *));
+
+extern void machopic_validate_stub_or_non_lazy_ptr PARAMS ((const char *, int));
+
+extern char *machopic_function_base_name PARAMS ((void));
+extern char *machopic_non_lazy_ptr_name PARAMS ((const char*));
+extern char *machopic_stub_name PARAMS ((const char*));
+
+extern void machopic_add_gc_roots PARAMS ((void));
+
+extern void machopic_picsymbol_stub_section PARAMS ((void));
+extern void machopic_symbol_stub_section PARAMS ((void));
+extern void machopic_lazy_symbol_ptr_section PARAMS ((void));
+extern void machopic_nl_symbol_ptr_section PARAMS ((void));
+
+#ifdef RTX_CODE
+
+extern int machopic_operand_p PARAMS ((rtx));
+extern enum machopic_addr_class machopic_classify_name PARAMS ((const char*));
+
+extern rtx machopic_indirect_data_reference PARAMS ((rtx, rtx));
+extern rtx machopic_indirect_call_target PARAMS ((rtx));
+extern rtx machopic_legitimize_pic_address PARAMS ((rtx, enum machine_mode, rtx));
+
+#endif /* RTX_CODE */
+
+#ifdef TREE_CODE
+
+extern enum machopic_addr_class machopic_classify_ident PARAMS ((tree));
+extern void machopic_define_ident PARAMS ((tree));
+extern void machopic_define_name PARAMS ((const char*));
+extern int machopic_name_defined_p PARAMS ((const char*));
+extern int machopic_ident_defined_p PARAMS ((tree));
+
+#endif /* TREE_CODE */
+
+extern void machopic_finish PARAMS ((FILE *));