coff.h

Mac OS X 10.4.9 for x86 Source Code gcc 实现源代码

/* Definitions of target machine for GNU compiler.
   For ARM with COFF object format.
   Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004
   Free Software Foundation, Inc.
   Contributed by Doug Evans ([e-mail]).
   
   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 version.

   GCC 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 COPYING.  If not, write to
   the Free Software Foundation, 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

/* Note - it is important that this definition matches the one in tcoff.h.  */
#undef  USER_LABEL_PREFIX
#define USER_LABEL_PREFIX "_"


/* Run-time Target Specification.  */
#undef  TARGET_VERSION
#define TARGET_VERSION fputs (" (ARM/coff)", stderr)

#undef  TARGET_DEFAULT_FLOAT_ABI
#define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT

#undef  TARGET_DEFAULT
#define TARGET_DEFAULT (ARM_FLAG_APCS_FRAME)

#ifndef MULTILIB_DEFAULTS
#define MULTILIB_DEFAULTS \
  { "marm", "mlittle-endian", "msoft-float", "mno-thumb-interwork" }
#endif

/* This is COFF, but prefer stabs.  */
#define SDB_DEBUGGING_INFO 1

#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG


#define TARGET_ASM_FILE_START_APP_OFF true

/* Switch into a generic section.  */
#define TARGET_ASM_NAMED_SECTION  default_coff_asm_named_section

/* Support the ctors/dtors and other sections.  */

#undef INIT_SECTION_ASM_OP

/* Define this macro if jump tables (for `tablejump' insns) should be
   output in the text section, along with the assembler instructions.
   Otherwise, the readonly data section is used.  */
/* We put ARM jump tables in the text section, because it makes the code
   more efficient, but for Thumb it's better to put them out of band.  */
#define JUMP_TABLES_IN_TEXT_SECTION (TARGET_ARM)

#undef  READONLY_DATA_SECTION_ASM_OP
#define READONLY_DATA_SECTION_ASM_OP	"\t.section .rdata"
#undef  CTORS_SECTION_ASM_OP
#define CTORS_SECTION_ASM_OP	"\t.section .ctors,\"x\""
#undef  DTORS_SECTION_ASM_OP
#define DTORS_SECTION_ASM_OP	"\t.section .dtors,\"x\""

/* Support the ctors/dtors sections for g++.  */

/* __CTOR_LIST__ and __DTOR_LIST__ must be defined by the linker script.  */
#define CTOR_LISTS_DEFINED_EXTERNALLY

#undef DO_GLOBAL_CTORS_BODY
#undef DO_GLOBAL_DTORS_BODY

/* The ARM development system defines __main.  */
#define NAME__MAIN  "__gccmain"
#define SYMBOL__MAIN __gccmain

#define SUPPORTS_INIT_PRIORITY 0