1 /* Definitions for AT&T assembler syntax for the Intel 80386.
2 Copyright (C) 1988 Free Software Foundation, Inc.
4 This file is part of GNU CC.
6 GNU CC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU CC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU CC; see the file COPYING. If not, write to
18 the Free Software Foundation, 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Include common aspects of all 386 Unix assemblers. */
22 #include "i386/unix.h"
24 #define TARGET_VERSION fprintf (stderr, " (80386, ATT syntax)");
26 /* Define the syntax of instructions and addresses. */
28 /* Prefix for internally generated assembler labels. */
31 /* Assembler pseudos to introduce constants of various size. */
33 /* #define ASM_BYTE_OP "\t.byte" Now in svr3.h or svr4.h. */
34 #define ASM_SHORT "\t.value"
35 #define ASM_LONG "\t.long"
36 #define ASM_DOUBLE "\t.double"
38 /* How to output an ASCII string constant. */
40 #define ASM_OUTPUT_ASCII(FILE, p, size) \
44 { if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n"); \
45 fprintf ((FILE), "%s ", ASM_BYTE_OP); } \
46 else fprintf ((FILE), ","); \
47 fprintf ((FILE), "0x%x", ((p)[i++] & 0377)) ;} \
48 fprintf ((FILE), "\n"); \
51 /* Do use .optim by default on this machine. */
52 #undef ASM_FILE_START_1
53 #define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.optim\n")
55 /* This is how to output an assembler line
56 that says to advance the location counter
57 to a multiple of 2**LOG bytes. */
59 #define ASM_OUTPUT_ALIGN(FILE,LOG) \
60 if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
62 /* This is how to output an assembler line
63 that says to advance the location counter by SIZE bytes. */
65 #define ASM_OUTPUT_SKIP(FILE,SIZE) \
66 fprintf ((FILE), "\t.set .,.+%u\n", (SIZE))
68 /* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s. */
70 #define ASM_NO_SKIP_IN_TEXT 1
72 #undef BSS_SECTION_FUNCTION /* Override the definition from svr3.h. */
73 #define BSS_SECTION_FUNCTION \
77 if (in_section != in_bss) \
79 fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP); \
80 in_section = in_bss; \
84 /* Define the syntax of labels and symbol definitions/declarations. */
86 /* This is how to store into the string BUF
87 the symbol_ref name of an internal numbered label where
88 PREFIX is the class of label and NUM is the number within the class.
89 This is suitable for output with `assemble_name'. */
91 #undef ASM_GENERATE_INTERNAL_LABEL
92 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
93 sprintf ((BUF), ".%s%d", (PREFIX), (NUMBER))
95 /* This is how to output an internal numbered label where
96 PREFIX is the class of label and NUM is the number within the class. */
98 #undef ASM_OUTPUT_INTERNAL_LABEL
99 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
100 fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
102 /* This is how to output a reference to a user-level label named NAME. */
104 #undef ASM_OUTPUT_LABELREF
105 #define ASM_OUTPUT_LABELREF(FILE,NAME) \
106 fprintf (FILE, "%s", NAME)