+++ /dev/null
-/* Definitions of target machine for GNU compiler.
- Motorola m88100 running the AT&T/Unisoft/Motorola V.3 reference port.
- Copyright (C) 1990, 1991, 1997, 1998, 1999 Free Software Foundation, Inc.
- Contributed by Ray Essick (ressick@mot.com)
- Enhanced by Tom Wood (Tom_Wood@NeXT.com)
-
-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. */
-
-#include "m88k/m88k.h"
-
-/* Default switches */
-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_CHECK_ZERO_DIV | \
- MASK_OCS_DEBUG_INFO | \
- MASK_OCS_FRAME_POSITION)
-
-/* Macros to be automatically defined. */
-#undef CPP_PREDEFINES
-#define CPP_PREDEFINES "-Dm88000 -Dm88k -Dunix -DsysV88 -D__CLASSIFY_TYPE__=2 -Asystem=unix -Asystem=svr3 -Acpu=m88k -Amachine=m88k"
-
-/* Override svr3.h to link with ?crt0.o instead of ?crt1.o and ?crtn.o.
- From arul@sdsu.edu. */
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC \
- "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}} crtbegin.o%s"
-
-/* Profiled libraries live in a different directory but keep the same
- names other than that. arul@sdsu.edu says -lg is always needed. */
-#undef LIB_SPEC
-#define LIB_SPEC "%{p:-L/lib/libp}%{pg:%{!p:-L/lib/libp}} -lg -lc crtend.o%s"
-
-/* We need POSIX/XOPEN symbols; otherwise building libio will fail. */
-#define ADD_MISSING_POSIX 1
-#define ADD_MISSING_XOPEN 1
-
-/* Hot version of the profiler that uses r10 to pass the address of
- the counter. the _gcc_mcount routine knows not to screw with
- the parameter registers.
-
- DG/UX does this; i wrote a gnu-c/88k specific version and put it
- in libgcc2.c -- RBE; this macro knows about the leading underscore
- convention. */
-#undef FUNCTION_PROFILER
-#define FUNCTION_PROFILER(FILE, LABELNO) \
- output_function_profiler (FILE, LABELNO, "_gcc_mcount", 0)
-
-/* Various other changes that we want to have in place without
- too many changes to the m88k.h file. */
-#undef USE_LIBG
-#define USE_LIBG
-
-/* Define a few machine-specific details of the implementation of
- constructors. */
-
-/* Although the .init section is used, it is not automatically invoked. */
-#define INVOKE__main
-
-#define CTOR_LIST_BEGIN \
- asm (INIT_SECTION_ASM_OP); \
- asm ("\tsubu\t r31,r31,16"); /* (STACK_BOUNDARY / BITS_PER_UNIT) == 16 */ \
- asm ("\tst\t r0,r31,32"); /* REG_PARM_STACK_SPACE (0) == 32 */
-#define CTOR_LIST_END
-
-#define TARGET_ASM_CONSTRUCTOR m88k_svr3_asm_out_constructor
-#define TARGET_ASM_DESTRUCTOR m88k_svr3_asm_out_destructor
-
-#undef DO_GLOBAL_CTORS_BODY
-#define DO_GLOBAL_CTORS_BODY \
-do { \
- func_ptr *__CTOR_LIST__ = __builtin_alloca (1), *p; \
- for (p = __CTOR_LIST__ + 4; *p; p += 4) \
- (*p) (); \
-} while (0)
-
-#define DTOR_LIST_BEGIN \
- asm (FINI_SECTION_ASM_OP); \
- func_ptr __DTOR_LIST__[4] = { (func_ptr) (-1), (func_ptr) (-1), \
- (func_ptr) (-1), (func_ptr) (-1) }
-#define DTOR_LIST_END \
- asm (FINI_SECTION_ASM_OP); \
- func_ptr __DTOR_END__[4] = { (func_ptr) 0, (func_ptr) 0, \
- (func_ptr) 0, (func_ptr) 0 }
-
-/* Walk the list looking for the terminating zero and ignoring all values of
- -1. */
-#undef DO_GLOBAL_DTORS_BODY
-#define DO_GLOBAL_DTORS_BODY \
- do { \
- int i; \
- for (i = 0; __DTOR_LIST__[i] != 0; i++) \
- if (((int *)__DTOR_LIST__)[i] != -1) \
- __DTOR_LIST__[i] (); \
- } while (0)
-
-#undef INITIALIZE_TRAMPOLINE
-#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
-{ \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 40)), FNADDR); \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 36)), CXT); \
- emit_call_insn (gen_call \
- (gen_rtx_MEM \
- (SImode, \
- gen_rtx_SYMBOL_REF (Pmode, "__enable_execute_stack")), \
- const0_rtx)); \
-}
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