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1.1 root 1: /* Definitions for AT&T 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
1.1.1.3 ! root 18: the Free Software Foundation, 59 Temple Place - Suite 330,
! 19: Boston, MA 02111-1307, USA. */
1.1 root 20:
21: /* Include common aspects of all 386 Unix assemblers. */
22: #include "i386/unix.h"
23:
24: #define TARGET_VERSION fprintf (stderr, " (80386, ATT syntax)");
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_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"
37:
38: /* How to output an ASCII string constant. */
39:
40: #define ASM_OUTPUT_ASCII(FILE, p, size) \
1.1.1.2 root 41: do \
1.1 root 42: { int i = 0; \
43: while (i < (size)) \
44: { if (i%10 == 0) { if (i!=0) fprintf ((FILE), "\n"); \
45: fprintf ((FILE), "%s ", ASM_BYTE_OP); } \
1.1.1.2 root 46: else fprintf ((FILE), ","); \
1.1 root 47: fprintf ((FILE), "0x%x", ((p)[i++] & 0377)) ;} \
1.1.1.2 root 48: fprintf ((FILE), "\n"); \
49: } while (0)
1.1 root 50:
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")
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: #define ASM_OUTPUT_SKIP(FILE,SIZE) \
66: fprintf ((FILE), "\t.set .,.+%u\n", (SIZE))
67:
68: /* Can't use ASM_OUTPUT_SKIP in text section; it doesn't leave 0s. */
69:
70: #define ASM_NO_SKIP_IN_TEXT 1
71:
72: #undef BSS_SECTION_FUNCTION /* Override the definition from svr3.h. */
73: #define BSS_SECTION_FUNCTION \
74: void \
75: bss_section () \
76: { \
77: if (in_section != in_bss) \
78: { \
79: fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP); \
80: in_section = in_bss; \
81: } \
82: }
83:
84: /* Define the syntax of labels and symbol definitions/declarations. */
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: #undef ASM_GENERATE_INTERNAL_LABEL
92: #define ASM_GENERATE_INTERNAL_LABEL(BUF,PREFIX,NUMBER) \
93: sprintf ((BUF), ".%s%d", (PREFIX), (NUMBER))
94:
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. */
97:
98: #undef ASM_OUTPUT_INTERNAL_LABEL
99: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
100: fprintf (FILE, ".%s%d:\n", PREFIX, NUM)
101:
102: /* This is how to output a reference to a user-level label named NAME. */
103:
104: #undef ASM_OUTPUT_LABELREF
105: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
106: fprintf (FILE, "%s", NAME)
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