1/* Definitions for AT&T assembler syntax for the Intel 80386.
2 Copyright (C) 1988-2023 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC 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 3, or (at your option)
9any 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
16Under Section 7 of GPL version 3, you are granted additional
17permissions described in the GCC Runtime Library Exception, version
183.1, as published by the Free Software Foundation.
19
20You should have received a copy of the GNU General Public License and
21a copy of the GCC Runtime Library Exception along with this program;
22see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23<http://www.gnu.org/licenses/>. */
24
25
26/* Define the syntax of instructions and addresses. */
27
28/* Prefix for internally generated assembler labels. */
29#define LPREFIX ".L"
30
31/* Assembler pseudos to introduce constants of various size. */
32
33#define ASM_BYTE "\t.byte\t"
34#define ASM_SHORT "\t.value\t"
35#define ASM_LONG "\t.long\t"
36#define ASM_QUAD "\t.quad\t" /* Should not be used for 32bit compilation. */
37
38/* How to output an ASCII string constant. */
39
40#undef ASM_OUTPUT_ASCII
41#define ASM_OUTPUT_ASCII(FILE, PTR, SIZE) \
42do \
43{ size_t i = 0, limit = (SIZE); \
44 while (i < limit) \
45 { if (i%10 == 0) { if (i!=0) putc ('\n', (FILE)); \
46 fputs (ASM_BYTE, (FILE)); } \
47 else putc (',', (FILE)); \
48 fprintf ((FILE), "0x%x", ((PTR)[i++] & 0377)) ;} \
49 putc ('\n', (FILE)); \
50} while (0)
51
52/* Output at beginning of assembler file. */
53#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
54
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. */
58
59#define ASM_OUTPUT_ALIGN(FILE,LOG) \
60 if ((LOG) != 0) fprintf ((FILE), "\t.align %d\n", 1 << (LOG))
61
62/* This is how to output an assembler line
63 that says to advance the location counter by SIZE bytes. */
64
65#undef ASM_OUTPUT_SKIP
66#define ASM_OUTPUT_SKIP(FILE,SIZE) \
67 fprintf ((FILE), "\t.set .,.+%u\n", (int)(SIZE))
68
69/* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s. */
70
71#define ASM_NO_SKIP_IN_TEXT 1
72
73/* Define the syntax of labels and symbol definitions/declarations. */
74
75/* The prefix to add for compiler private assembler symbols. */
76#undef LOCAL_LABEL_PREFIX
77#define LOCAL_LABEL_PREFIX "."
78
79/* This is how to store into the string BUF
80 the symbol_ref name of an internal numbered label where
81 PREFIX is the class of label and NUM is the number within the class.
82 This is suitable for output with `assemble_name'. */
83
84#undef ASM_GENERATE_INTERNAL_LABEL
85#define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
86 sprintf ((BUF), LOCAL_LABEL_PREFIX "%s%ld", (PREFIX), (long)(NUMBER))
87
88/* The prefix to add to user-visible assembler symbols. */
89
90#undef USER_LABEL_PREFIX
91#define USER_LABEL_PREFIX ""
92

source code of gcc/config/i386/att.h