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1.1 root 1: /* Definitions of target machine for GNU compiler.
2: Atari TT ASV version.
1.1.1.2 ! root 3: Copyright (C) 1994, 1995 Free Software Foundation, Inc.
1.1 root 4:
5: This file is part of GNU CC.
6:
7: GNU CC is free software; you can redistribute it and/or modify
8: it under the terms of the GNU General Public License as published by
9: the Free Software Foundation; either version 1, or (at your option)
10: any later version.
11:
12: GNU CC is distributed in the hope that it will be useful,
13: but WITHOUT ANY WARRANTY; without even the implied warranty of
14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: GNU General Public License for more details.
16:
17: You should have received a copy of the GNU General Public License
18: along with GNU CC; see the file COPYING. If not, write to
1.1.1.2 ! root 19: the Free Software Foundation, 59 Temple Place - Suite 330,
! 20: Boston, MA 02111-1307, USA. */
1.1 root 21:
22: #include "m68k/m68kv4.h"
23:
24: /* Dollars and dots in labels are not allowed. */
25:
26: #define NO_DOLLAR_IN_LABEL
27: #define NO_DOT_IN_LABEL
28:
29: /* Alter assembler syntax for fsgldiv and fsglmul.
30: It is highly likely that this is a generic SGS m68k assembler dependency.
31: If so, it should eventually be handled in the m68k/sgs.h ASM_OUTPUT_OPCODE
32: macro, like the other SGS assembler quirks. -fnf */
33:
34: #define FSGLDIV_USE_S /* Use fsgldiv.s, not fsgldiv.x */
35: #define FSGLMUL_USE_S /* Use fsglmul.s, not fsglmul.x */
36:
37: /* At end of a switch table, define LDnnn iff the symbol LInnn was defined.
38: Some SGS assemblers have a bug such that "Lnnn-LInnn-2.b(pc,d0.l*2)"
39: fails to assemble. Luckily "Lnnn(pc,d0.l*2)" produces the results
40: we want. This difference can be accommodated by making the assembler
41: define such "LDnnn" to be either "Lnnn-LInnn-2.b", "Lnnn", or any other
42: string, as necessary. This is accomplished via the ASM_OUTPUT_CASE_END
43: macro. (the Amiga assembler has this bug) */
44:
45: #undef ASM_OUTPUT_CASE_END
46: #define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \
47: do { \
48: if (switch_table_difference_label_flag) \
49: asm_fprintf ((FILE), "\t%s %LLD%d,%LL%d\n", SET_ASM_OP, (NUM), (NUM));\
50: switch_table_difference_label_flag = 0; \
51: } while (0)
52:
53: int switch_table_difference_label_flag;
54:
55: /* This definition of ASM_OUTPUT_ASCII is the same as the one in m68k/sgs.h,
56: which has been overridden by the one in svr4.h. However, we can't use
57: the one in svr4.h because the ASV assembler croaks on some of the
58: strings that it emits (such as .string "\"%s\"\n"). */
59:
60: #undef ASM_OUTPUT_ASCII
61: #define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
62: { \
63: register int sp = 0, lp = 0, ch; \
64: fprintf ((FILE), "\t%s ", BYTE_ASM_OP); \
65: do { \
66: ch = (PTR)[sp]; \
67: if (ch > ' ' && ! (ch & 0x80) && ch != '\\') \
68: { \
69: fprintf ((FILE), "'%c", ch); \
70: } \
71: else \
72: { \
73: fprintf ((FILE), "0x%x", ch); \
74: } \
75: if (++sp < (LEN)) \
76: { \
77: if ((sp % 10) == 0) \
78: { \
79: fprintf ((FILE), "\n\t%s ", BYTE_ASM_OP); \
80: } \
81: else \
82: { \
83: putc (',', (FILE)); \
84: } \
85: } \
86: } while (sp < (LEN)); \
87: putc ('\n', (FILE)); \
88: }
89:
90: /* Override these for the sake of an assembler bug: the ASV
91: assembler can't handle .LC0@GOT syntax. This pollutes the final
92: table for shared librarys but what's a poor soul to do; sigh... RFH */
93:
94: #undef ASM_GENERATE_INTERNAL_LABEL
95: #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
96: if (flag_pic && !strcmp(PREFIX,"LC")) \
97: sprintf (LABEL, "*%s%%%d", PREFIX, NUM); \
98: else \
99: sprintf (LABEL, "*%s%s%d", LOCAL_LABEL_PREFIX, PREFIX, NUM)
100:
101: #undef ASM_OUTPUT_INTERNAL_LABEL
102: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
103: if (flag_pic && !strcmp(PREFIX,"LC")) \
104: asm_fprintf (FILE, "%s%%%d:\n", PREFIX, NUM); \
105: else \
106: asm_fprintf (FILE, "%0L%s%d:\n", PREFIX, NUM)
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