bsd.h revision 1.12 1 /* Definitions for BSD assembler syntax for Intel 386
2 (actually AT&T syntax for insns and operands,
3 adapted to BSD conventions for symbol names and debugging.)
4 Copyright (C) 1988-2022 Free Software Foundation, Inc.
5
6 This file is part of GCC.
7
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
11 any later version.
12
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
21
22 /* Use the Sequent Symmetry assembler syntax. */
23
24 /* Define the syntax of pseudo-ops, labels and comments. */
26
27 /* Prefix for internally generated assembler labels. If we aren't using
28 underscores, we are using prefix `.'s to identify labels that should
29 be ignored, as in `i386/gas.h' --karl (at) cs.umb.edu */
30
31 #define LPREFIX "L"
32
33 /* Assembler pseudos to introduce constants of various size. */
34
35 #define ASM_BYTE "\t.byte\t"
36 #define ASM_SHORT "\t.word\t"
37 #define ASM_LONG "\t.long\t"
38 #define ASM_QUAD "\t.quad\t" /* Should not be used for 32bit compilation. */
39
40 /* This was suggested, but it shouldn't be right for DBX output. -- RMS
41 #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NAME) */
42
43
44 /* Define the syntax of labels and symbol definitions/declarations. */
46
47 /* This is how to output an assembler line
48 that says to advance the location counter by SIZE bytes. */
49
50 #define ASM_OUTPUT_SKIP(FILE,SIZE) \
51 fprintf (FILE, "\t.space " HOST_WIDE_INT_PRINT_UNSIGNED"\n", (SIZE))
52
53 /* Define the syntax of labels and symbol definitions/declarations. */
55
56 /* This says how to output an assembler line
57 to define a global common symbol. */
58
59 #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
60 ( fputs (".comm ", (FILE)), \
61 assemble_name ((FILE), (NAME)), \
62 fprintf ((FILE), ",%u\n", (int)(ROUNDED)))
63
64 /* This says how to output an assembler line
65 to define a local common symbol. */
66
67 #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
68 ( fputs (".lcomm ", (FILE)), \
69 assemble_name ((FILE), (NAME)), \
70 fprintf ((FILE), ",%u\n", (int)(ROUNDED)))
71
72 #ifdef HAVE_GAS_LCOMM_WITH_ALIGNMENT
73 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGNMENT) \
74 ( fputs (".lcomm ", (FILE)), \
75 assemble_name ((FILE), (NAME)), \
76 fprintf ((FILE), ",%u,%u\n", (int)(SIZE), (int)(ALIGNMENT) / BITS_PER_UNIT))
77 #endif
78
79 /* This is how to output an assembler line
80 that says to advance the location counter
81 to a multiple of 2**LOG bytes. */
82
83 #define ASM_OUTPUT_ALIGN(FILE,LOG) \
84 if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", (LOG))
85
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'. */
90
91 #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
92 sprintf ((BUF), "*%s%ld", (PREFIX), (long)(NUMBER))
93
94 /* The prefix to add to user-visible assembler symbols. */
95
96 #define USER_LABEL_PREFIX "_"
97
98 /* Sequent has some changes in the format of DBX symbols. */
99 #define DBX_NO_XREFS 1
100
101 /* Don't split DBX symbols into continuations. */
102 #define DBX_CONTIN_LENGTH 0
103