/* m68kelf support, derived from m68kv4.h */
/* Target definitions for GNU compiler for mc680x0 running System V.4
- Copyright (C) 1991, 1993, 2000, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1991, 1993, 2000, 2002, 2003, 2004
+ Free Software Foundation, Inc.
Written by Ron Guilmette (rfg@netcom.com) and Fred Fish (fnf@cygnus.com).
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC 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 2, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC 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. */
+along with GCC; see the file COPYING. If not, write to
+the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
-/* #notinclude "m68k/sgs.h" / * The m68k/SVR4 assembler is SGS based */
-
-/* These are necessary for -fpic/-fPIC to work correctly. */
-#ifndef MOTOROLA
-#define MOTOROLA /* Use MOTOROLA syntax. */
-#endif
-#ifndef USE_GAS /* forces jsbr instead of jsr. */
-#define USE_GAS
-#endif
#ifndef SWBEG_ASM_OP
#define SWBEG_ASM_OP "\t.swbeg\t"
#endif
-/* Here are four prefixes that are used by asm_fprintf to
+/* Here are three prefixes that are used by asm_fprintf to
facilitate customization for alternate assembler syntaxes.
Machines with no likelihood of an alternate syntax need not
define these and need not use asm_fprintf. */
#undef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX ""
-/* The prefix for immediate operands. */
-
-#undef IMMEDIATE_PREFIX
-#define IMMEDIATE_PREFIX "#"
-
-/* In the machine description we can't use %R, because it will not be seen
- by ASM_FPRINTF. (Isn't that a design bug?). */
-
-#undef REGISTER_PREFIX_MD
-#define REGISTER_PREFIX_MD "%%"
-
/* config/m68k.md has an explicit reference to the program counter,
prefix this by the register prefix. */
return "jmp %%pc@(2,%0:w)"; \
} while (0)
-/* How to refer to registers in assembler output.
- This sequence is indexed by compiler's hard-register-number.
- Motorola format uses different register names than defined
- in m68k.h. */
-
-#undef REGISTER_NAMES
-
-#define REGISTER_NAMES \
-{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \
- "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%sp", \
- "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7" }
-
/* This is how to output an assembler line that says to advance the
location counter to a multiple of 2**LOG bytes. */
do { \
if ((LOG) > 0) \
fprintf ((FILE), "%s%u\n", ALIGN_ASM_OP, 1 << (LOG)); \
- else if ((LOG) > 31) \
- abort (); \
} while (0)
-/* Use proper assembler syntax for these macros. */
-#undef ASM_OUTPUT_REG_PUSH
-#define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
- asm_fprintf (FILE, "\t%Omove.l %s,-(%Rsp)\n", reg_names[REGNO])
-
-#undef ASM_OUTPUT_REG_POP
-#define ASM_OUTPUT_REG_POP(FILE,REGNO) \
- asm_fprintf (FILE, "\t%Omove.l (%Rsp)+,%s\n", reg_names[REGNO])
-
-/* Override the definition of NO_DOLLAR_IN_LABEL in svr4.h, for special
- g++ assembler names. When this is defined, g++ uses embedded '.'
- characters and some m68k assemblers have problems with this. The
- chances are much greater that any particular assembler will permit
- embedded '$' characters. */
-
-#undef NO_DOLLAR_IN_LABEL
-
-/* Define PCC_STATIC_STRUCT_RETURN if the convention on the target machine
- is to use the nonreentrant technique for returning structure and union
- values, as commonly implemented by the AT&T Portable C Compiler (PCC).
- When defined, the gcc option -fpcc-struct-return can be used to cause
- this form to be generated. When undefined, the option does nothing.
- For m68k SVR4, the convention is to use a reentrant technique compatible
- with the gcc default, so override the definition of this macro in m68k.h */
-
-#undef PCC_STATIC_STRUCT_RETURN
-
-/* Local common symbols are declared to the assembler with ".lcomm" rather
- than ".bss", so override the definition in svr4.h */
-
-#undef BSS_ASM_OP
-#define BSS_ASM_OP "\t.lcomm\t"
-
/* Register in which address to store a structure value is passed to a
function. The default in m68k.h is a1. For m68k/SVR4 it is a0. */
-#undef STRUCT_VALUE_REGNUM
-#define STRUCT_VALUE_REGNUM 8
+#undef M68K_STRUCT_VALUE_REGNUM
+#define M68K_STRUCT_VALUE_REGNUM 8
+
+/* The static chain regnum defaults to a0, but we use that for
+ structure return, so have to use a1 for the static chain. */
+
+#undef STATIC_CHAIN_REGNUM
+#define STATIC_CHAIN_REGNUM 9
+#undef M68K_STATIC_CHAIN_REG_NAME
+#define M68K_STATIC_CHAIN_REG_NAME REGISTER_PREFIX "a1"
#define ASM_COMMENT_START "|"
#undef DBX_REGISTER_NUMBER
#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
-/* The ASM_OUTPUT_SKIP macro is first defined in m68k.h, using ".skip".
- It is then overridden by m68k/sgs.h to use ".space", and again by svr4.h
- to use ".zero". The m68k/SVR4 assembler uses ".space", so repeat the
- definition from m68k/sgs.h here. Note that ASM_NO_SKIP_IN_TEXT is
- defined in m68k/sgs.h, so we don't have to repeat it here. */
-
-#undef ASM_OUTPUT_SKIP
-#define ASM_OUTPUT_SKIP(FILE,SIZE) \
- fprintf (FILE, "%s%u\n", SPACE_ASM_OP, (int)(SIZE))
-
#if 0
/* SVR4 m68k assembler is bitching on the `comm i,1,1' which askes for
1 byte alignment. Don't generate alignment for COMMON seems to be
#undef ASM_OUTPUT_ALIGNED_LOCAL
#endif
-/* The `string' directive on m68k svr4 does not handle string with
- escape char (ie., `\') right. Use normal way to output ASCII bytes
- seems to be safer. */
-#undef ASM_OUTPUT_ASCII
-#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
-do { \
- register int sp = 0, ch; \
- fputs (integer_asm_op (1, TRUE), (FILE)); \
- 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%s", integer_asm_op (1, TRUE)); \
- } \
- else \
- { \
- putc (',', (FILE)); \
- } \
- } \
- } while (sp < (LEN)); \
- putc ('\n', (FILE)); \
-} while (0)
-
-/* SVR4 m68k assembler is bitching on the syntax `2.b'.
- So use the "LLDnnn-LLnnn" format. Define LLDnnn after the table. */
-
-#undef ASM_OUTPUT_CASE_END
-#define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \
-do { \
- if (switch_table_difference_label_flag) \
- asm_fprintf ((FILE), "%s%LLD%d,%LL%d\n", SET_ASM_OP, (NUM), (NUM)); \
- switch_table_difference_label_flag = 0; \
-} while (0)
-
-extern int switch_table_difference_label_flag;
-
#undef ASM_OUTPUT_COMMON
#undef ASM_OUTPUT_LOCAL
#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
fprintf ((FILE), "%s&%d\n", SWBEG_ASM_OP, XVECLEN (PATTERN (TABLE), 1));
/* end of stuff from m68kv4.h */
-#undef SGS_CMP_ORDER
-
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "crtend.o%s"
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