unix.h revision 117395
1/* Definitions for Unix assembler syntax for the Intel 80386. 2 Copyright (C) 1988, 1994, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. 3 4This file is part of GNU CC. 5 6GNU CC is free software; you can redistribute it and/or modify 7it under the terms of the GNU General Public License as published by 8the Free Software Foundation; either version 2, or (at your option) 9any later version. 10 11GNU CC is distributed in the hope that it will be useful, 12but WITHOUT ANY WARRANTY; without even the implied warranty of 13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14GNU General Public License for more details. 15 16You should have received a copy of the GNU General Public License 17along with GNU CC; see the file COPYING. If not, write to 18the Free Software Foundation, 59 Temple Place - Suite 330, 19Boston, MA 02111-1307, USA. */ 20 21/* This file defines the aspects of assembler syntax 22 that are the same for all the i386 Unix systems 23 (though they may differ in non-Unix systems). */ 24 25#define DEFAULT_ASSEMBLER_DIALECT 0 26 27/* Define macro used to output shift-double opcodes when the shift 28 count is in %cl. Some assemblers require %cl as an argument; 29 some don't. This macro controls what to do: by default, don't 30 print %cl. */ 31#define SHIFT_DOUBLE_OMITS_COUNT 1 32 33/* Define the syntax of pseudo-ops, labels and comments. */ 34 35/* String containing the assembler's comment-starter. */ 36 37#define ASM_COMMENT_START "/" 38 39/* Output to assembler file text saying following lines 40 may contain character constants, extra white space, comments, etc. */ 41 42#define ASM_APP_ON "/APP\n" 43 44/* Output to assembler file text saying following lines 45 no longer contain unusual constructs. */ 46 47#define ASM_APP_OFF "/NO_APP\n" 48 49/* Output before read-only data. */ 50 51#define TEXT_SECTION_ASM_OP "\t.text" 52 53/* Output before writable (initialized) data. */ 54 55#define DATA_SECTION_ASM_OP "\t.data" 56 57/* Output before writable (uninitialized) data. */ 58 59#define BSS_SECTION_ASM_OP "\t.bss" 60 61/* Globalizing directive for a label. */ 62#define GLOBAL_ASM_OP ".globl " 63 64/* By default, target has a 80387, uses IEEE compatible arithmetic, 65 and returns float values in the 387. */ 66 67#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS) 68