[gcc.git] / gcc / config / m68k / coff.h

/* Definitions of target machine for GNU compiler.
   m68k series COFF object files and debugging, version.
   Copyright (C) 1994, 1996, 1997, 2000, 2002, 2003 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 2, 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.  */

/* This file is included after m68k.h by CPU COFF specific files.  It
   is not a complete target itself.  */

/* Generate sdb debugging information.  */

#define SDB_DEBUGGING_INFO 1

/* Output DBX (stabs) debugging information if using -gstabs.  */

#include "dbxcoff.h"

/* COFF symbols don't start with an underscore.  */

#undef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX ""

/* Use a prefix for local labels, just to be on the save side.  */

#undef LOCAL_LABEL_PREFIX
#define LOCAL_LABEL_PREFIX "."

/* Use a register prefix to avoid clashes with external symbols (classic
   example: `extern char PC;' in termcap).  */

#undef REGISTER_PREFIX
#define REGISTER_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.  */

#define ASM_RETURN_CASE_JUMP				\
  do {							\
    if (TARGET_5200)					\
      {							\
	if (ADDRESS_REG_P (operands[0]))		\
	  return "jmp %%pc@(2,%0:l)";			\
	else						\
	  return "ext%.l %0\n\tjmp %%pc@(2,%0:l)";	\
      }							\
    else						\
      return "jmp %%pc@(2,%0:w)";			\
  } while (0)

/* Here are the new register names.  */

#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" }

#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true

/* If defined, a C expression whose value is a string containing the
   assembler operation to identify the following data as uninitialized global
   data.  */

#define BSS_SECTION_ASM_OP	"\t.section\t.bss"

/* A C statement (sans semicolon) to output to the stdio stream
   FILE the assembler definition of uninitialized global DECL named
   NAME whose size is SIZE bytes and alignment is ALIGN bytes.
   Try to use asm_output_aligned_bss to implement this macro.  */

#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
  asm_output_aligned_bss ((FILE), (DECL), (NAME), (SIZE), (ALIGN))

/* Switch into a generic section.  */
#undef TARGET_ASM_NAMED_SECTION
#define TARGET_ASM_NAMED_SECTION  m68k_coff_asm_named_section

/* Don't assume anything about startfiles.  */

#undef STARTFILE_SPEC
#define STARTFILE_SPEC ""
Commit	Line	Data
e73646fe DE	1	/* Definitions of target machine for GNU compiler.
e73646fe DE	2	m68k series COFF object files and debugging, version.
1a8965c4	3	Copyright (C) 1994, 1996, 1997, 2000, 2002, 2003 Free Software Foundation, Inc.
e73646fe DE	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
0e29e3c9 RK	19	the Free Software Foundation, 59 Temple Place - Suite 330,
0e29e3c9 RK	20	Boston, MA 02111-1307, USA. */
e73646fe DE	21
	22	/* This file is included after m68k.h by CPU COFF specific files. It
	23	is not a complete target itself. */
	24
	25	/* Generate sdb debugging information. */
	26
23532de9	27	#define SDB_DEBUGGING_INFO 1
e73646fe DE	28
	29	/* Output DBX (stabs) debugging information if using -gstabs. */
	30
94804207	31	#include "dbxcoff.h"
e73646fe DE	32
	33	/* COFF symbols don't start with an underscore. */
	34
	35	#undef USER_LABEL_PREFIX
	36	#define USER_LABEL_PREFIX ""
	37
	38	/* Use a prefix for local labels, just to be on the save side. */
	39
	40	#undef LOCAL_LABEL_PREFIX
	41	#define LOCAL_LABEL_PREFIX "."
	42
	43	/* Use a register prefix to avoid clashes with external symbols (classic
	44	example: `extern char PC;' in termcap). */
	45
	46	#undef REGISTER_PREFIX
	47	#define REGISTER_PREFIX "%"
	48
	49	/* In the machine description we can't use %R, because it will not be seen
	50	by ASM_FPRINTF. (Isn't that a design bug?). */
	51
	52	#undef REGISTER_PREFIX_MD
	53	#define REGISTER_PREFIX_MD "%%"
	54
	55	/* config/m68k.md has an explicit reference to the program counter,
	56	prefix this by the register prefix. */
	57
c1c1d123 AS	58	#define ASM_RETURN_CASE_JUMP \
	59	do { \
	60	if (TARGET_5200) \
	61	{ \
	62	if (ADDRESS_REG_P (operands[0])) \
	63	return "jmp %%pc@(2,%0:l)"; \
	64	else \
	65	return "ext%.l %0\n\tjmp %%pc@(2,%0:l)"; \
	66	} \
	67	else \
	68	return "jmp %%pc@(2,%0:w)"; \
9fb9ea4a	69	} while (0)
e73646fe DE	70
	71	/* Here are the new register names. */
	72
	73	#undef REGISTER_NAMES
e73646fe DE	74	#define REGISTER_NAMES \
	75	{"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \
	76	"%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%a6", "%sp", \
	77	"%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7" }
e73646fe	78
720b7001	79	#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
e73646fe	80
0fad5914 DE	81	/* If defined, a C expression whose value is a string containing the
	82	assembler operation to identify the following data as uninitialized global
	83	data. */
	84
6e7b07a7	85	#define BSS_SECTION_ASM_OP "\t.section\t.bss"
0fad5914 DE	86
0fad5914 DE	87	/* A C statement (sans semicolon) to output to the stdio stream
a072504b	88	FILE the assembler definition of uninitialized global DECL named
0fad5914 DE	89	NAME whose size is SIZE bytes and alignment is ALIGN bytes.
	90	Try to use asm_output_aligned_bss to implement this macro. */
	91
a072504b DE	92	#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
a072504b DE	93	asm_output_aligned_bss ((FILE), (DECL), (NAME), (SIZE), (ALIGN))
0fad5914	94
7c262518 RH	95	/* Switch into a generic section. */
	96	#undef TARGET_ASM_NAMED_SECTION
	97	#define TARGET_ASM_NAMED_SECTION m68k_coff_asm_named_section
eb1cb30d	98
e73646fe DE	99	/* Don't assume anything about startfiles. */
e73646fe DE	100
94c827e5	101	#undef STARTFILE_SPEC
e73646fe	102	#define STARTFILE_SPEC ""