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Diffstat (limited to 'gcc/config/m68k/atari.h')
| -rwxr-xr-x | gcc/config/m68k/atari.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/gcc/config/m68k/atari.h b/gcc/config/m68k/atari.h new file mode 100755 index 0000000..da0a803 --- /dev/null +++ b/gcc/config/m68k/atari.h @@ -0,0 +1,106 @@ +/* Definitions of target machine for GNU compiler. + Atari TT ASV version. + Copyright (C) 1994, 1995 Free Software Foundation, Inc. + +This file is part of GNU CC. + +GNU CC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 1, or (at your option) +any later version. + +GNU CC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU CC; see the file COPYING. If not, write to +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include "m68k/m68kv4.h" + +/* Dollars and dots in labels are not allowed. */ + +#define NO_DOLLAR_IN_LABEL +#define NO_DOT_IN_LABEL + +/* Alter assembler syntax for fsgldiv and fsglmul. + It is highly likely that this is a generic SGS m68k assembler dependency. + If so, it should eventually be handled in the m68k/sgs.h ASM_OUTPUT_OPCODE + macro, like the other SGS assembler quirks. -fnf */ + +#define FSGLDIV_USE_S /* Use fsgldiv.s, not fsgldiv.x */ +#define FSGLMUL_USE_S /* Use fsglmul.s, not fsglmul.x */ + +/* At end of a switch table, define LDnnn iff the symbol LInnn was defined. + Some SGS assemblers have a bug such that "Lnnn-LInnn-2.b(pc,d0.l*2)" + fails to assemble. Luckily "Lnnn(pc,d0.l*2)" produces the results + we want. This difference can be accommodated by making the assembler + define such "LDnnn" to be either "Lnnn-LInnn-2.b", "Lnnn", or any other + string, as necessary. This is accomplished via the ASM_OUTPUT_CASE_END + macro. (the Amiga assembler has this bug) */ + +#undef ASM_OUTPUT_CASE_END +#define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \ +do { \ + if (switch_table_difference_label_flag) \ + asm_fprintf ((FILE), "\t%s %LLD%d,%LL%d\n", SET_ASM_OP, (NUM), (NUM));\ + switch_table_difference_label_flag = 0; \ +} while (0) + +int switch_table_difference_label_flag; + +/* This definition of ASM_OUTPUT_ASCII is the same as the one in m68k/sgs.h, + which has been overridden by the one in svr4.h. However, we can't use + the one in svr4.h because the ASV assembler croaks on some of the + strings that it emits (such as .string "\"%s\"\n"). */ + +#undef ASM_OUTPUT_ASCII +#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \ +{ \ + register int sp = 0, lp = 0, ch; \ + fprintf ((FILE), "\t%s ", BYTE_ASM_OP); \ + do { \ + ch = (PTR)[sp]; \ + if (ch > ' ' && ! (ch & 0x80) && ch != '\\') \ + { \ + fprintf ((FILE), "'%c", ch); \ + } \ + else \ + { \ + fprintf ((FILE), "0x%x", ch); \ + } \ + if (++sp < (LEN)) \ + { \ + if ((sp % 10) == 0) \ + { \ + fprintf ((FILE), "\n\t%s ", BYTE_ASM_OP); \ + } \ + else \ + { \ + putc (',', (FILE)); \ + } \ + } \ + } while (sp < (LEN)); \ + putc ('\n', (FILE)); \ +} + +/* Override these for the sake of an assembler bug: the ASV + assembler can't handle .LC0@GOT syntax. This pollutes the final + table for shared librarys but what's a poor soul to do; sigh... RFH */ + +#undef ASM_GENERATE_INTERNAL_LABEL +#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ + if (flag_pic && !strcmp(PREFIX,"LC")) \ + sprintf (LABEL, "*%s%%%d", PREFIX, NUM); \ + else \ + sprintf (LABEL, "*%s%s%d", LOCAL_LABEL_PREFIX, PREFIX, NUM) + +#undef ASM_OUTPUT_INTERNAL_LABEL +#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ + if (flag_pic && !strcmp(PREFIX,"LC")) \ + asm_fprintf (FILE, "%s%%%d:\n", PREFIX, NUM); \ + else \ + asm_fprintf (FILE, "%0L%s%d:\n", PREFIX, NUM) |