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- /* Definitions of target machine for GNU compiler.
- Commodore Amiga A3000UX version.
-
- Copyright (C) 1991, 1993 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include "m68k/m68kv4.h"
-
- /* rhealey@aggregate.com says dots are no good either. */
- #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 */
-
- /* Names to predefine in the preprocessor for this target machine. For the
- Amiga, these definitions match those of the native AT&T compiler. Note
- that we override the definition in m68kv4.h, where SVR4 is defined and
- AMIX isn't. */
-
- #undef CPP_PREDEFINES
- #define CPP_PREDEFINES \
- "-Dm68k -Dunix -DAMIX -D__svr4__ -D__motorola__ \
- -Amachine(m68k) -Acpu(m68k) -Asystem(unix) -Alint(off)"
-
- /* 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 says how to output assembler code to declare an
- uninitialized external linkage data object. Under SVR4,
- the linker seems to want the alignment of data objects
- to depend on their types. We do exactly that here.
- [This macro overrides the one in svr4.h because the amix assembler
- has a minimum default alignment of 4, and will not accept any
- explicit alignment smaller than this. -fnf] */
-
- #undef ASM_OUTPUT_ALIGNED_COMMON
- #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
- do { \
- fputs ("\t.comm\t", (FILE)); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ",%u,%u\n", (SIZE), MAX ((ALIGN) / BITS_PER_UNIT, 4)); \
- } while (0)
-
- /* This says how to output assembler code to declare an
- uninitialized internal linkage data object. Under SVR4,
- the linker seems to want the alignment of data objects
- to depend on their types. We do exactly that here.
- [This macro overrides the one in svr4.h because the amix assembler
- has a minimum default alignment of 4, and will not accept any
- explicit alignment smaller than this. -fnf] */
-
- #undef ASM_OUTPUT_ALIGNED_LOCAL
- #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
- do { \
- fprintf ((FILE), "\t%s\t%s,%u,%u\n", \
- BSS_ASM_OP, (NAME), (SIZE), MAX ((ALIGN) / BITS_PER_UNIT, 4)); \
- } while (0)
-
- /* 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 amix 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) \
- do { \
- 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)); \
- } while (0)
-
- /* The following should be unnecessary as a result of PIC_CASE_VECTOR_ADDRESS.
- But rhealey@aggregate.com says they are still needed. */
-
- /* Override these for the sake of an assembler bug: the Amix
- 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)
-