1/* Definitions of target machine for GNU compiler. 2 For ARM with COFF object format. 3 Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005 4 Free Software Foundation, Inc. 5 Contributed by Doug Evans (devans@cygnus.com). 6 7 This file is part of GCC. 8 9 GCC is free software; you can redistribute it and/or modify it 10 under the terms of the GNU General Public License as published 11 by the Free Software Foundation; either version 2, or (at your 12 option) any later version. 13 14 GCC is distributed in the hope that it will be useful, but WITHOUT 15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 17 License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with GCC; see the file COPYING. If not, write to 21 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 22 Boston, MA 02110-1301, USA. */ 23 24/* Note - it is important that this definition matches the one in tcoff.h. */ 25#undef USER_LABEL_PREFIX 26#define USER_LABEL_PREFIX "_" 27 28 29/* Run-time Target Specification. */ 30#undef TARGET_VERSION 31#define TARGET_VERSION fputs (" (ARM/coff)", stderr) 32 33#undef TARGET_DEFAULT_FLOAT_ABI 34#define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_SOFT 35 36#undef TARGET_DEFAULT 37#define TARGET_DEFAULT (MASK_APCS_FRAME) 38 39#ifndef MULTILIB_DEFAULTS 40#define MULTILIB_DEFAULTS \ 41 { "marm", "mlittle-endian", "msoft-float", "mno-thumb-interwork" } 42#endif 43 44/* This is COFF, but prefer stabs. */ 45#define SDB_DEBUGGING_INFO 1 46 47#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG 48 49 50#define TARGET_ASM_FILE_START_APP_OFF true 51 52/* Switch into a generic section. */ 53#define TARGET_ASM_NAMED_SECTION default_coff_asm_named_section 54 55/* Support the ctors/dtors and other sections. */ 56 57#undef INIT_SECTION_ASM_OP 58 59/* Define this macro if jump tables (for `tablejump' insns) should be 60 output in the text section, along with the assembler instructions. 61 Otherwise, the readonly data section is used. */ 62/* We put ARM jump tables in the text section, because it makes the code 63 more efficient, but for Thumb it's better to put them out of band. */ 64#define JUMP_TABLES_IN_TEXT_SECTION (TARGET_ARM) 65 66#undef READONLY_DATA_SECTION_ASM_OP 67#define READONLY_DATA_SECTION_ASM_OP "\t.section .rdata" 68#undef CTORS_SECTION_ASM_OP 69#define CTORS_SECTION_ASM_OP "\t.section .ctors,\"x\"" 70#undef DTORS_SECTION_ASM_OP 71#define DTORS_SECTION_ASM_OP "\t.section .dtors,\"x\"" 72 73/* Support the ctors/dtors sections for g++. */ 74 75/* __CTOR_LIST__ and __DTOR_LIST__ must be defined by the linker script. */ 76#define CTOR_LISTS_DEFINED_EXTERNALLY 77 78#undef DO_GLOBAL_CTORS_BODY 79#undef DO_GLOBAL_DTORS_BODY 80 81/* The ARM development system defines __main. */ 82#define NAME__MAIN "__gccmain" 83#define SYMBOL__MAIN __gccmain 84 85#define SUPPORTS_INIT_PRIORITY 0 86