1 /* Definitions of target machine for GNU compiler. 2 Atari TT ASV version. 3 Copyright (C) 1994, 1995, 2000 Free Software Foundation, Inc. 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 2, 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 19 the Free Software Foundation, 59 Temple Place - Suite 330, 20 Boston, MA 02111-1307, USA. */ 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), "%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 size_t sp = 0, limit = (LEN); \ 64 fputs (integer_asm_op (1, TRUE), (FILE)); \ 65 do { \ 66 int 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 < limit) \ 76 { \ 77 if ((sp % 10) == 0) \ 78 { \ 79 fprintf ((FILE), "\n%s", integer_asm_op (1, TRUE)); \ 80 } \ 81 else \ 82 { \ 83 putc (',', (FILE)); \ 84 } \ 85 } \ 86 } while (sp < limit); \ 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 do { \ 97 if (flag_pic && !strcmp(PREFIX,"LC")) \ 98 sprintf (LABEL, "*%s%%%ld", PREFIX, (long)(NUM)); \ 99 else \ 100 sprintf (LABEL, "*%s%s%ld", LOCAL_LABEL_PREFIX, PREFIX, (long)(NUM)); \ 101 } while (0) 102 103 #undef ASM_OUTPUT_INTERNAL_LABEL 104 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ 105 if (flag_pic && !strcmp(PREFIX,"LC")) \ 106 fprintf (FILE, "%s%%%d:\n", PREFIX, NUM); \ 107 else \ 108 asm_fprintf (FILE, "%0L%s%d:\n", PREFIX, NUM) 109