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1.1 root 1: /* Definitions for Sun assembler syntax for the Intel 80386.
2: Copyright (C) 1988 Free Software Foundation, Inc.
3:
4: This file is part of GNU CC.
5:
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)
9: any later version.
10:
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.
15:
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
19:
20:
21: /* Include common aspects of all 386 Unix assemblers. */
22: #include "i386/unix.h"
23:
24: #define TARGET_VERSION fprintf (stderr, " (80386, Sun syntax)");
25:
26: /* Define the syntax of instructions and addresses. */
27:
28: /* Prefix for internally generated assembler labels. */
29: #define LPREFIX ".L"
30:
31: /* Define the syntax of pseudo-ops, labels and comments. */
32:
33: /* Assembler pseudos to introduce constants of various size. */
34:
35: #define ASM_BYTE_OP "\t.byte"
36: #define ASM_SHORT "\t.value"
37: #define ASM_LONG "\t.long"
38: #define ASM_DOUBLE "\t.double"
39:
40: /* How to output an ASCII string constant. */
41:
42: #define ASM_OUTPUT_ASCII(FILE, p, size) \
43: do \
44: { int i = 0; \
45: while (i < (size)) \
46: { if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n"); \
47: fprintf ((FILE), "%s ", ASM_BYTE_OP); } \
48: else fprintf ((FILE), ","); \
49: fprintf ((FILE), "0x%x", ((p)[i++] & 0377)) ;} \
50: fprintf ((FILE), "\n"); \
51: } while (0)
52:
53: /* Output at beginning of assembler file. */
54: /* The .file command should always begin the output. */
55:
56: #undef ASM_FILE_START
57: #define ASM_FILE_START(FILE) \
58: do { \
59: extern char *version_string, *language_string; \
60: { \
61: int len = strlen (dump_base_name); \
62: char *na = dump_base_name + len; \
63: char shorter[15]; \
64: /* NA gets DUMP_BASE_NAME sans directory names. */\
65: while (na > dump_base_name) \
66: { \
67: if (na[-1] == '/') \
68: break; \
69: na--; \
70: } \
71: strncpy (shorter, na, 14); \
72: shorter[14] = 0; \
73: fprintf (FILE, "\t.file\t"); \
74: output_quoted_string (FILE, shorter); \
75: fprintf (FILE, "\n"); \
76: } \
77: fprintf (FILE, "\t.version\t\"%s %s\"\n", \
78: language_string, version_string); \
79: if (optimize) ASM_FILE_START_1 (FILE); \
80: } while (0)
81:
82: #define ASM_FILE_START_1(FILE) fprintf (FILE, "\t.optim\n")
83:
84: /* This is how to output an assembler line
85: that says to advance the location counter
86: to a multiple of 2**LOG bytes. */
87:
88: #define ASM_OUTPUT_ALIGN(FILE,LOG) \
89: if ((LOG)!=0) fprintf ((FILE), "\t.align %d\n", 1<<(LOG))
90:
91: /* This is how to output an assembler line
92: that says to advance the location counter by SIZE bytes. */
93:
94: #define ASM_OUTPUT_SKIP(FILE,SIZE) \
95: fprintf ((FILE), "\t.set\t.,.+%u\n", (SIZE))
96:
97: /* Output before read-only data. */
98:
99: #undef TEXT_SECTION_ASM_OP
100: #define TEXT_SECTION_ASM_OP ".text"
101:
102: /* Output before writable data. */
103:
104: #undef DATA_SECTION_ASM_OP
105: #define DATA_SECTION_ASM_OP ".data"
106:
107: /* Define the syntax of labels and symbol definitions/declarations. */
108:
109: /* This says how to output an assembler line
110: to define a global common symbol. */
111:
112: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
113: ( fputs (".comm ", (FILE)), \
114: assemble_name ((FILE), (NAME)), \
115: fprintf ((FILE), ",%u\n", (ROUNDED)))
116:
117: /* This says how to output an assembler line
118: to define a local common symbol. */
119:
120: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
121: ( fputs (".lcomm ", (FILE)), \
122: assemble_name ((FILE), (NAME)), \
123: fprintf ((FILE), ",%u\n", (ROUNDED)))
124:
125: /* This is how to store into the string BUF
126: the symbol_ref name of an internal numbered label where
127: PREFIX is the class of label and NUM is the number within the class.
128: This is suitable for output with `assemble_name'. */
129:
130: #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
131: sprintf ((BUF), "*.%s%d", (PREFIX), (NUMBER))
132:
133: /* This is how to output a reference to a user-level label named NAME. */
134:
135: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
136: fprintf (FILE, "%s", NAME)
137:
138: /* This is how to output an internal numbered label where
139: PREFIX is the class of label and NUM is the number within the class. */
140:
141: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
142: fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
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