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