From ee890fe2a15b3ed799f92a951ea64825793deec8 Mon Sep 17 00:00:00 2001
From: Stan Shebs <shebs@apple.com>
Date: Thu, 12 Apr 2001 02:13:00 +0000
Subject: 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
---
 gcc/config.gcc | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'gcc/config.gcc')

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 6fb9e99..07578f9 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -2647,8 +2647,15 @@ powerpc-*-beos*)
 	tmake_file=rs6000/t-beos
 	;;
 powerpc-*-darwin*)
+	cpu_type=rs6000
+	tm_file="${tm_file} darwin.h rs6000/darwin.h"
+	tm_p_file="${tm_p_file} darwin-protos.h"
+	tmake_file=rs6000/t-darwin
 	xm_file=rs6000/xm-darwin.h
 	xmake_file=rs6000/x-darwin
+	extra_objs="darwin.o"
+	# Darwin linker does collect2 functionality
+	use_collect2=no
 	;;
 powerpc-*-sysv*)
 	tm_file="${tm_file} svr4.h rs6000/sysv4.h"
-- 
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