[thirdparty/gcc.git] / gcc / defaults.h

/* Definitions of various defaults for tm.h macros.
   Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001
   Free Software Foundation, Inc.
   Contributed by Ron Guilmette (rfg@monkeys.com)

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.  */

#ifndef GCC_DEFAULTS_H
#define GCC_DEFAULTS_H

/* Store in OUTPUT a string (made with alloca) containing
   an assembler-name for a local static variable or function named NAME.
   LABELNO is an integer which is different for each call.  */

#ifndef ASM_FORMAT_PRIVATE_NAME
#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO)			\
  do {									\
    int len = strlen (NAME);						\
    char *temp = (char *) alloca (len + 3);				\
    temp[0] = 'L';							\
    strcpy (&temp[1], (NAME));						\
    temp[len + 1] = '.';						\
    temp[len + 2] = 0;							\
    (OUTPUT) = (char *) alloca (strlen (NAME) + 11);			\
    ASM_GENERATE_INTERNAL_LABEL (OUTPUT, temp, LABELNO);		\
  } while (0)
#endif

#ifndef ASM_STABD_OP
#define ASM_STABD_OP "\t.stabd\t"
#endif

/* This is how to output an element of a case-vector that is absolute.
   Some targets don't use this, but we have to define it anyway.  */

#ifndef ASM_OUTPUT_ADDR_VEC_ELT
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE)  \
do { fprintf (FILE, "\t%s\t", ASM_LONG);				\
     ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", (VALUE));			\
     fputc ('\n', FILE);						\
   } while (0)
#endif

/* Provide default for ASM_OUTPUT_ALTERNATE_LABEL_NAME.  */
#ifndef ASM_OUTPUT_ALTERNATE_LABEL_NAME
#define ASM_OUTPUT_ALTERNATE_LABEL_NAME(FILE,INSN) \
do { ASM_OUTPUT_LABEL(FILE,LABEL_ALTERNATE_NAME (INSN)); } while (0)
#endif

/* choose a reasonable default for ASM_OUTPUT_ASCII.  */

#ifndef ASM_OUTPUT_ASCII
#define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \
  do {									      \
    FILE *_hide_asm_out_file = (MYFILE);				      \
    const unsigned char *_hide_p = (const unsigned char *) (MYSTRING);	      \
    int _hide_thissize = (MYLENGTH);					      \
    {									      \
      FILE *asm_out_file = _hide_asm_out_file;				      \
      const unsigned char *p = _hide_p;					      \
      int thissize = _hide_thissize;					      \
      int i;								      \
      fprintf (asm_out_file, "\t.ascii \"");				      \
									      \
      for (i = 0; i < thissize; i++)					      \
	{								      \
	  register int c = p[i];					      \
	  if (c == '\"' || c == '\\')					      \
	    putc ('\\', asm_out_file);					      \
	  if (ISPRINT(c))						      \
	    putc (c, asm_out_file);					      \
	  else								      \
	    {								      \
	      fprintf (asm_out_file, "\\%o", c);			      \
	      /* After an octal-escape, if a digit follows,		      \
		 terminate one string constant and start another.	      \
		 The Vax assembler fails to stop reading the escape	      \
		 after three digits, so this is the only way we		      \
		 can get it to parse the data properly.  */		      \
	      if (i < thissize - 1 && ISDIGIT(p[i + 1]))		      \
		fprintf (asm_out_file, "\"\n\t.ascii \"");		      \
	  }								      \
	}								      \
      fprintf (asm_out_file, "\"\n");					      \
    }									      \
  }									      \
  while (0)
#endif

#ifndef ASM_IDENTIFY_GCC
  /* Default the definition, only if ASM_IDENTIFY_GCC is not set,
     because if it is set, we might not want ASM_IDENTIFY_LANGUAGE
     outputting labels, if we do want it to, then it must be defined
     in the tm.h file.  */
#ifndef ASM_IDENTIFY_LANGUAGE
#define ASM_IDENTIFY_LANGUAGE(FILE) output_lang_identify (FILE);
#endif
#endif

/* This is how we tell the assembler to equate two values.  */
#ifdef SET_ASM_OP
#ifndef ASM_OUTPUT_DEF
#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2)				\
 do {	fprintf ((FILE), "%s", SET_ASM_OP);				\
	assemble_name (FILE, LABEL1);					\
	fprintf (FILE, ",");						\
	assemble_name (FILE, LABEL2);					\
	fprintf (FILE, "\n");						\
  } while (0)
#endif
#endif

/* This is how to output a reference to a user-level label named NAME.  */

#ifndef ASM_OUTPUT_LABELREF
#define ASM_OUTPUT_LABELREF(FILE,NAME)  asm_fprintf ((FILE), "%U%s", (NAME))
#endif

/* Allow target to print debug info labels specially.  This is useful for
   VLIW targets, since debug info labels should go into the middle of
   instruction bundles instead of breaking them.  */

#ifndef ASM_OUTPUT_DEBUG_LABEL
#define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \
  ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM)
#endif

/* This determines whether or not we support weak symbols.  */
#ifndef SUPPORTS_WEAK
#ifdef ASM_WEAKEN_LABEL
#define SUPPORTS_WEAK 1
#else
#define SUPPORTS_WEAK 0
#endif
#endif

/* This determines whether or not we support link-once semantics.  */
#ifndef SUPPORTS_ONE_ONLY
#ifdef MAKE_DECL_ONE_ONLY
#define SUPPORTS_ONE_ONLY 1
#else
#define SUPPORTS_ONE_ONLY 0
#endif
#endif

/* If the target supports weak symbols, define TARGET_ATTRIBUTE_WEAK to
   provide a weak attribute.  Else define it to nothing. 

   This would normally belong in gansidecl.h, but SUPPORTS_WEAK is
   not available at that time.

   Note, this is only for use by target files which we know are to be
   compiled by GCC.  */
#ifndef TARGET_ATTRIBUTE_WEAK
# if SUPPORTS_WEAK
#  define TARGET_ATTRIBUTE_WEAK __attribute__ ((weak))
# else
#  define TARGET_ATTRIBUTE_WEAK
# endif
#endif

/* If the target supports init_priority C++ attribute, give
   SUPPORTS_INIT_PRIORITY a nonzero value.  */
#ifndef SUPPORTS_INIT_PRIORITY
#define SUPPORTS_INIT_PRIORITY 1
#endif /* SUPPORTS_INIT_PRIORITY */

/* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that
   the rest of the DWARF 2 frame unwind support is also provided.  */
#if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX)
#define DWARF2_UNWIND_INFO 1
#endif

#if defined (DWARF2_UNWIND_INFO) && !defined (EH_FRAME_SECTION)
# if defined (EH_FRAME_SECTION_ASM_OP)
#  define EH_FRAME_SECTION() eh_frame_section ()
# else
   /* If we aren't using crtstuff to run ctors, don't use it for EH.  */
#  if defined (ASM_OUTPUT_SECTION_NAME) && defined (ASM_OUTPUT_CONSTRUCTOR)
#   define EH_FRAME_SECTION_ASM_OP	"\t.section\t.eh_frame,\"aw\""
#   define EH_FRAME_SECTION() \
     do { named_section (NULL_TREE, ".eh_frame", 0); } while (0)
#  endif
# endif
#endif

/* If we have no definition for UNIQUE_SECTION, but do have the 
   ability to generate arbitrary sections, construct something
   reasonable.  */
#ifdef ASM_OUTPUT_SECTION_NAME
#ifndef UNIQUE_SECTION
#define UNIQUE_SECTION(DECL,RELOC)				\
do {								\
  int len;							\
  const char *name;						\
  char *string;							\
								\
  name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL));	\
  /* Strip off any encoding in name.  */			\
  STRIP_NAME_ENCODING (name, name);				\
								\
  len = strlen (name) + 1;					\
  string = alloca (len + 1);					\
  sprintf (string, ".%s", name);				\
								\
  DECL_SECTION_NAME (DECL) = build_string (len, string);	\
} while (0)
#endif
#ifndef UNIQUE_SECTION_P
#define UNIQUE_SECTION_P(DECL) 0
#endif
#endif

/* By default, we generate a label at the beginning and end of the
   text section, and compute the size of the text section by
   subtracting the two.  However, on some platforms that doesn't 
   work, and we use the section itself, rather than a label at the
   beginning of it, to indicate the start of the section.  On such
   platforms, define this to zero.  */
#ifndef DWARF2_GENERATE_TEXT_SECTION_LABEL
#define DWARF2_GENERATE_TEXT_SECTION_LABEL 1
#endif

/* Supply a default definition for PROMOTE_PROTOTYPES.  */
#ifndef PROMOTE_PROTOTYPES
#define PROMOTE_PROTOTYPES	0
#endif

/* Number of hardware registers that go into the DWARF-2 unwind info.
   If not defined, equals FIRST_PSEUDO_REGISTER  */

#ifndef DWARF_FRAME_REGISTERS
#define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER
#endif

/* Default sizes for base C types.  If the sizes are different for
   your target, you should override these values by defining the
   appropriate symbols in your tm.h file.  */

#ifndef CHAR_TYPE_SIZE
#define CHAR_TYPE_SIZE BITS_PER_UNIT
#endif

#ifndef SHORT_TYPE_SIZE
#define SHORT_TYPE_SIZE (BITS_PER_UNIT * MIN ((UNITS_PER_WORD + 1) / 2, 2))
#endif

#ifndef INT_TYPE_SIZE
#define INT_TYPE_SIZE BITS_PER_WORD
#endif

#ifndef LONG_TYPE_SIZE
#define LONG_TYPE_SIZE BITS_PER_WORD
#endif

#ifndef LONG_LONG_TYPE_SIZE
#define LONG_LONG_TYPE_SIZE (BITS_PER_WORD * 2)
#endif

#ifndef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE INT_TYPE_SIZE
#endif

#ifndef WCHAR_UNSIGNED
#define WCHAR_UNSIGNED 0
#endif

#ifndef FLOAT_TYPE_SIZE
#define FLOAT_TYPE_SIZE BITS_PER_WORD
#endif

#ifndef DOUBLE_TYPE_SIZE
#define DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
#endif

#ifndef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
#endif

#ifndef BUILD_VA_LIST_TYPE
#define BUILD_VA_LIST_TYPE(X) ((X) = ptr_type_node)
#endif

#ifndef PIC_OFFSET_TABLE_REGNUM
#define PIC_OFFSET_TABLE_REGNUM INVALID_REGNUM
#endif

/* By default, the preprocessor should be invoked the same way in C++
   as in C.  */
#ifndef CPLUSPLUS_CPP_SPEC
#ifdef CPP_SPEC
#define CPLUSPLUS_CPP_SPEC CPP_SPEC
#endif
#endif

#endif  /* GCC_DEFAULTS_H */
Commit	Line	Data
eff01bb6	1	/* Definitions of various defaults for tm.h macros.
ea4f1fce	2	Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001
d8ea8f28	3	Free Software Foundation, Inc.
b33c316c	4	Contributed by Ron Guilmette (rfg@monkeys.com)
c53a8ab6	5
c53a8ab6 RS	6	This file is part of GNU CC.
	7
	8	GNU CC is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 2, or (at your option)
	11	any later version.
	12
	13	GNU CC is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
	19	along with GNU CC; see the file COPYING. If not, write to
940d9d63 RK	20	the Free Software Foundation, 59 Temple Place - Suite 330,
940d9d63 RK	21	Boston, MA 02111-1307, USA. */
c53a8ab6	22
d8ea8f28 ZW	23	#ifndef GCC_DEFAULTS_H
	24	#define GCC_DEFAULTS_H
	25
7b73db04 CH	26	/* Store in OUTPUT a string (made with alloca) containing
	27	an assembler-name for a local static variable or function named NAME.
	28	LABELNO is an integer which is different for each call. */
	29
	30	#ifndef ASM_FORMAT_PRIVATE_NAME
	31	#define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
	32	do { \
	33	int len = strlen (NAME); \
	34	char temp = (char ) alloca (len + 3); \
	35	temp[0] = 'L'; \
	36	strcpy (&temp[1], (NAME)); \
	37	temp[len + 1] = '.'; \
	38	temp[len + 2] = 0; \
	39	(OUTPUT) = (char *) alloca (strlen (NAME) + 11); \
	40	ASM_GENERATE_INTERNAL_LABEL (OUTPUT, temp, LABELNO); \
	41	} while (0)
	42	#endif
	43
	44	#ifndef ASM_STABD_OP
0a3e1f45	45	#define ASM_STABD_OP "\t.stabd\t"
7b73db04 CH	46	#endif
	47
	48	/* This is how to output an element of a case-vector that is absolute.
	49	Some targets don't use this, but we have to define it anyway. */
	50
	51	#ifndef ASM_OUTPUT_ADDR_VEC_ELT
	52	#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
	53	do { fprintf (FILE, "\t%s\t", ASM_LONG); \
	54	ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", (VALUE)); \
	55	fputc ('\n', FILE); \
	56	} while (0)
	57	#endif
	58
8cd0faaf CM	59	/* Provide default for ASM_OUTPUT_ALTERNATE_LABEL_NAME. */
	60	#ifndef ASM_OUTPUT_ALTERNATE_LABEL_NAME
	61	#define ASM_OUTPUT_ALTERNATE_LABEL_NAME(FILE,INSN) \
a991240f	62	do { ASM_OUTPUT_LABEL(FILE,LABEL_ALTERNATE_NAME (INSN)); } while (0)
8cd0faaf CM	63	#endif
8cd0faaf CM	64
c53a8ab6 RS	65	/* choose a reasonable default for ASM_OUTPUT_ASCII. */
	66
	67	#ifndef ASM_OUTPUT_ASCII
	68	#define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \
	69	do { \
	70	FILE *_hide_asm_out_file = (MYFILE); \
47ee9bcb	71	const unsigned char _hide_p = (const unsigned char ) (MYSTRING); \
c53a8ab6 RS	72	int _hide_thissize = (MYLENGTH); \
	73	{ \
	74	FILE *asm_out_file = _hide_asm_out_file; \
47ee9bcb	75	const unsigned char *p = _hide_p; \
c53a8ab6 RS	76	int thissize = _hide_thissize; \
	77	int i; \
	78	fprintf (asm_out_file, "\t.ascii \""); \
	79	\
	80	for (i = 0; i < thissize; i++) \
	81	{ \
	82	register int c = p[i]; \
	83	if (c == '\"' \|\| c == '\\') \
	84	putc ('\\', asm_out_file); \
5f6d3823	85	if (ISPRINT(c)) \
c53a8ab6 RS	86	putc (c, asm_out_file); \
	87	else \
	88	{ \
	89	fprintf (asm_out_file, "\\%o", c); \
	90	/* After an octal-escape, if a digit follows, \
	91	terminate one string constant and start another. \
	92	The Vax assembler fails to stop reading the escape \
	93	after three digits, so this is the only way we \
	94	can get it to parse the data properly. */ \
d07ecc3b	95	if (i < thissize - 1 && ISDIGIT(p[i + 1])) \
c53a8ab6 RS	96	fprintf (asm_out_file, "\"\n\t.ascii \""); \
	97	} \
	98	} \
	99	fprintf (asm_out_file, "\"\n"); \
	100	} \
	101	} \
	102	while (0)
	103	#endif
d0d4af87 MS	104
	105	#ifndef ASM_IDENTIFY_GCC
	106	/* Default the definition, only if ASM_IDENTIFY_GCC is not set,
	107	because if it is set, we might not want ASM_IDENTIFY_LANGUAGE
	108	outputting labels, if we do want it to, then it must be defined
	109	in the tm.h file. */
	110	#ifndef ASM_IDENTIFY_LANGUAGE
	111	#define ASM_IDENTIFY_LANGUAGE(FILE) output_lang_identify (FILE);
	112	#endif
	113	#endif
650f773a JW	114
	115	/* This is how we tell the assembler to equate two values. */
	116	#ifdef SET_ASM_OP
	117	#ifndef ASM_OUTPUT_DEF
	118	#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
e8638df0	119	do { fprintf ((FILE), "%s", SET_ASM_OP); \
650f773a JW	120	assemble_name (FILE, LABEL1); \
	121	fprintf (FILE, ","); \
	122	assemble_name (FILE, LABEL2); \
	123	fprintf (FILE, "\n"); \
	124	} while (0)
	125	#endif
	126	#endif
daefd78b	127
81d77cda RK	128	/* This is how to output a reference to a user-level label named NAME. */
	129
	130	#ifndef ASM_OUTPUT_LABELREF
19283265	131	#define ASM_OUTPUT_LABELREF(FILE,NAME) asm_fprintf ((FILE), "%U%s", (NAME))
81d77cda RK	132	#endif
81d77cda RK	133
8215347e JW	134	/* Allow target to print debug info labels specially. This is useful for
	135	VLIW targets, since debug info labels should go into the middle of
	136	instruction bundles instead of breaking them. */
	137
	138	#ifndef ASM_OUTPUT_DEBUG_LABEL
	139	#define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \
	140	ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM)
	141	#endif
	142
daefd78b JM	143	/* This determines whether or not we support weak symbols. */
	144	#ifndef SUPPORTS_WEAK
	145	#ifdef ASM_WEAKEN_LABEL
	146	#define SUPPORTS_WEAK 1
	147	#else
	148	#define SUPPORTS_WEAK 0
	149	#endif
	150	#endif
a6ab3aad	151
1ca894a0 MM	152	/* This determines whether or not we support link-once semantics. */
	153	#ifndef SUPPORTS_ONE_ONLY
	154	#ifdef MAKE_DECL_ONE_ONLY
	155	#define SUPPORTS_ONE_ONLY 1
	156	#else
	157	#define SUPPORTS_ONE_ONLY 0
	158	#endif
	159	#endif
	160
8f08ea1e L	161	/* If the target supports weak symbols, define TARGET_ATTRIBUTE_WEAK to
	162	provide a weak attribute. Else define it to nothing.
	163
	164	This would normally belong in gansidecl.h, but SUPPORTS_WEAK is
	165	not available at that time.
	166
	167	Note, this is only for use by target files which we know are to be
	168	compiled by GCC. */
	169	#ifndef TARGET_ATTRIBUTE_WEAK
	170	# if SUPPORTS_WEAK
	171	# define TARGET_ATTRIBUTE_WEAK __attribute__ ((weak))
	172	# else
	173	# define TARGET_ATTRIBUTE_WEAK
	174	# endif
	175	#endif
	176
ea4f1fce JO	177	/* If the target supports init_priority C++ attribute, give
	178	SUPPORTS_INIT_PRIORITY a nonzero value. */
	179	#ifndef SUPPORTS_INIT_PRIORITY
	180	#define SUPPORTS_INIT_PRIORITY 1
	181	#endif /* SUPPORTS_INIT_PRIORITY */
	182
a6ab3aad JM	183	/* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that
a6ab3aad JM	184	the rest of the DWARF 2 frame unwind support is also provided. */
0021b564 JM	185	#if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX)
0021b564 JM	186	#define DWARF2_UNWIND_INFO 1
a6ab3aad	187	#endif
b366352b	188
31cf0144 JM	189	#if defined (DWARF2_UNWIND_INFO) && !defined (EH_FRAME_SECTION)
31cf0144 JM	190	# if defined (EH_FRAME_SECTION_ASM_OP)
5074c1fe	191	# define EH_FRAME_SECTION() eh_frame_section ()
31cf0144 JM	192	# else
	193	/* If we aren't using crtstuff to run ctors, don't use it for EH. */
	194	# if defined (ASM_OUTPUT_SECTION_NAME) && defined (ASM_OUTPUT_CONSTRUCTOR)
0a3e1f45	195	# define EH_FRAME_SECTION_ASM_OP "\t.section\t.eh_frame,\"aw\""
31cf0144 JM	196	# define EH_FRAME_SECTION() \
	197	do { named_section (NULL_TREE, ".eh_frame", 0); } while (0)
	198	# endif
	199	# endif
	200	#endif
	201
eff01bb6 RH	202	/* If we have no definition for UNIQUE_SECTION, but do have the
	203	ability to generate arbitrary sections, construct something
	204	reasonable. */
	205	#ifdef ASM_OUTPUT_SECTION_NAME
	206	#ifndef UNIQUE_SECTION
	207	#define UNIQUE_SECTION(DECL,RELOC) \
	208	do { \
	209	int len; \
	210	const char *name; \
	211	char *string; \
	212	\
	213	name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (DECL)); \
	214	/* Strip off any encoding in name. */ \
	215	STRIP_NAME_ENCODING (name, name); \
	216	\
	217	len = strlen (name) + 1; \
	218	string = alloca (len + 1); \
	219	sprintf (string, ".%s", name); \
	220	\
	221	DECL_SECTION_NAME (DECL) = build_string (len, string); \
	222	} while (0)
	223	#endif
	224	#ifndef UNIQUE_SECTION_P
	225	#define UNIQUE_SECTION_P(DECL) 0
	226	#endif
	227	#endif
	228
b366352b MM	229	/* By default, we generate a label at the beginning and end of the
	230	text section, and compute the size of the text section by
	231	subtracting the two. However, on some platforms that doesn't
	232	work, and we use the section itself, rather than a label at the
	233	beginning of it, to indicate the start of the section. On such
	234	platforms, define this to zero. */
	235	#ifndef DWARF2_GENERATE_TEXT_SECTION_LABEL
	236	#define DWARF2_GENERATE_TEXT_SECTION_LABEL 1
	237	#endif
246833ac RH	238
	239	/* Supply a default definition for PROMOTE_PROTOTYPES. */
	240	#ifndef PROMOTE_PROTOTYPES
	241	#define PROMOTE_PROTOTYPES 0
	242	#endif
c478efd1 GDR	243
	244	/* Number of hardware registers that go into the DWARF-2 unwind info.
	245	If not defined, equals FIRST_PSEUDO_REGISTER */
	246
	247	#ifndef DWARF_FRAME_REGISTERS
	248	#define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER
	249	#endif
d8ea8f28 ZW	250
	251	/* Default sizes for base C types. If the sizes are different for
	252	your target, you should override these values by defining the
	253	appropriate symbols in your tm.h file. */
	254
	255	#ifndef CHAR_TYPE_SIZE
	256	#define CHAR_TYPE_SIZE BITS_PER_UNIT
	257	#endif
	258
	259	#ifndef SHORT_TYPE_SIZE
	260	#define SHORT_TYPE_SIZE (BITS_PER_UNIT * MIN ((UNITS_PER_WORD + 1) / 2, 2))
	261	#endif
	262
	263	#ifndef INT_TYPE_SIZE
	264	#define INT_TYPE_SIZE BITS_PER_WORD
	265	#endif
	266
	267	#ifndef LONG_TYPE_SIZE
	268	#define LONG_TYPE_SIZE BITS_PER_WORD
	269	#endif
	270
	271	#ifndef LONG_LONG_TYPE_SIZE
	272	#define LONG_LONG_TYPE_SIZE (BITS_PER_WORD * 2)
	273	#endif
	274
	275	#ifndef WCHAR_TYPE_SIZE
	276	#define WCHAR_TYPE_SIZE INT_TYPE_SIZE
	277	#endif
	278
	279	#ifndef WCHAR_UNSIGNED
	280	#define WCHAR_UNSIGNED 0
	281	#endif
	282
	283	#ifndef FLOAT_TYPE_SIZE
	284	#define FLOAT_TYPE_SIZE BITS_PER_WORD
	285	#endif
	286
	287	#ifndef DOUBLE_TYPE_SIZE
	288	#define DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
	289	#endif
	290
	291	#ifndef LONG_DOUBLE_TYPE_SIZE
	292	#define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
	293	#endif
	294
2df88e9f JO	295	#ifndef BUILD_VA_LIST_TYPE
	296	#define BUILD_VA_LIST_TYPE(X) ((X) = ptr_type_node)
	297	#endif
	298
848e0190 JH	299	#ifndef PIC_OFFSET_TABLE_REGNUM
	300	#define PIC_OFFSET_TABLE_REGNUM INVALID_REGNUM
	301	#endif
	302
a9374841 MM	303	/* By default, the preprocessor should be invoked the same way in C++
	304	as in C. */
	305	#ifndef CPLUSPLUS_CPP_SPEC
	306	#ifdef CPP_SPEC
	307	#define CPLUSPLUS_CPP_SPEC CPP_SPEC
	308	#endif
	309	#endif
	310
d8ea8f28 ZW	311	#endif /* GCC_DEFAULTS_H */
d8ea8f28 ZW	312