unix.h revision 169690
1119571Ssos/* Definitions for Unix assembler syntax for the Intel 80386. 2119571Ssos Copyright (C) 1988, 1994, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. 3119571Ssos 4119571SsosThis file is part of GCC. 5119571Ssos 6119571SsosGCC is free software; you can redistribute it and/or modify 7119571Ssosit under the terms of the GNU General Public License as published by 8119571Ssosthe Free Software Foundation; either version 2, or (at your option) 9119571Ssosany later version. 10 11GCC 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 GCC; see the file COPYING. If not, write to 18the Free Software Foundation, 51 Franklin Street, Fifth Floor, 19Boston, MA 02110-1301, 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 macro used to output shift-double opcodes when the shift 26 count is in %cl. Some assemblers require %cl as an argument; 27 some don't. This macro controls what to do: by default, don't 28 print %cl. */ 29#define SHIFT_DOUBLE_OMITS_COUNT 1 30 31/* Define the syntax of pseudo-ops, labels and comments. */ 32 33/* String containing the assembler's comment-starter. */ 34 35#define ASM_COMMENT_START "/" 36 37/* Output to assembler file text saying following lines 38 may contain character constants, extra white space, comments, etc. */ 39 40#define ASM_APP_ON "/APP\n" 41 42/* Output to assembler file text saying following lines 43 no longer contain unusual constructs. */ 44 45#define ASM_APP_OFF "/NO_APP\n" 46 47/* Output before read-only data. */ 48 49#define TEXT_SECTION_ASM_OP "\t.text" 50 51/* Output before writable (initialized) data. */ 52 53#define DATA_SECTION_ASM_OP "\t.data" 54 55/* Output before writable (uninitialized) data. */ 56 57#define BSS_SECTION_ASM_OP "\t.bss" 58 59/* Globalizing directive for a label. */ 60#define GLOBAL_ASM_OP ".globl " 61 62/* By default, target has a 80387, uses IEEE compatible arithmetic, 63 and returns float values in the 387. */ 64 65#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS) 66