/* Definitions of various defaults for tm.h macros.
- Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001
+ Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.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
-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.
+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,
-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.
+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, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
#ifndef GCC_DEFAULTS_H
#define GCC_DEFAULTS_H
# define TARGET_ESC 033
#endif
+/* When removal of CPP_PREDEFINES is complete, TARGET_CPU_CPP_BULITINS
+ can also be removed from here. */
+#ifndef TARGET_OS_CPP_BUILTINS
+# define TARGET_OS_CPP_BUILTINS()
+#endif
+#ifndef TARGET_CPU_CPP_BUILTINS
+# define TARGET_CPU_CPP_BUILTINS()
+#endif
+#ifndef CPP_PREDEFINES
+# define CPP_PREDEFINES ""
+#endif
+
/* 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_OUTPUT_ADDR_VEC_ELT
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
-do { fprintf (FILE, "\t%s\t", ASM_LONG); \
+do { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", (VALUE)); \
fputc ('\n', FILE); \
} while (0)
\
for (i = 0; i < thissize; i++) \
{ \
- register int c = p[i]; \
+ int c = p[i]; \
if (c == '\"' || c == '\\') \
putc ('\\', asm_out_file); \
if (ISPRINT(c)) \
/* This determines whether or not we support weak symbols. */
#ifndef SUPPORTS_WEAK
-#ifdef ASM_WEAKEN_LABEL
+#if defined (ASM_WEAKEN_LABEL) || defined (ASM_WEAKEN_DECL)
#define SUPPORTS_WEAK 1
#else
#define SUPPORTS_WEAK 0
#endif
#endif
-/* If we have no definition for UNIQUE_SECTION, but do have the
- ability to generate arbitrary sections, construct something
- reasonable. */
-#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
-
/* 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
#define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER
#endif
+/* How to renumber registers for dbx and gdb. If not defined, assume
+ no renumbering is necessary. */
+
+#ifndef DBX_REGISTER_NUMBER
+#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
+#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 BITS_PER_UNIT
+#define BITS_PER_UNIT 8
+#endif
+
+#ifndef BITS_PER_WORD
+#define BITS_PER_WORD (BITS_PER_UNIT * UNITS_PER_WORD)
+#endif
+
#ifndef CHAR_TYPE_SIZE
#define CHAR_TYPE_SIZE BITS_PER_UNIT
#endif
+#ifndef BOOL_TYPE_SIZE
+/* `bool' has size and alignment `1', on almost all platforms. */
+#define BOOL_TYPE_SIZE CHAR_TYPE_SIZE
+#endif
+
#ifndef SHORT_TYPE_SIZE
#define SHORT_TYPE_SIZE (BITS_PER_UNIT * MIN ((UNITS_PER_WORD + 1) / 2, 2))
#endif
#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
#define LONG_DOUBLE_TYPE_SIZE (BITS_PER_WORD * 2)
#endif
+/* Width in bits of a pointer. Mind the value of the macro `Pmode'. */
+#ifndef POINTER_SIZE
+#define POINTER_SIZE BITS_PER_WORD
+#endif
+
#ifndef BUILD_VA_LIST_TYPE
#define BUILD_VA_LIST_TYPE(X) ((X) = ptr_type_node)
#endif
#define PREFERRED_STACK_BOUNDARY STACK_BOUNDARY
#endif
+/* By default, the C++ compiler will use function addresses in the
+ vtable entries. Setting this non-zero tells the compiler to use
+ function descriptors instead. The value of this macro says how
+ many words wide the descriptor is (normally 2). It is assumed
+ that the address of a function descriptor may be treated as a
+ pointer to a function. */
+#ifndef TARGET_VTABLE_USES_DESCRIPTORS
+#define TARGET_VTABLE_USES_DESCRIPTORS 0
+#endif
+
/* Select a format to encode pointers in exception handling data. We
prefer those that result in fewer dynamic relocations. Assume no
special support here and encode direct references. */
? ptrmemfunc_vbit_in_pfn : ptrmemfunc_vbit_in_delta)
#endif
-/* True if it is possible to profile code that does not have a frame
- pointer. */
+#ifndef DEFAULT_GDB_EXTENSIONS
+#define DEFAULT_GDB_EXTENSIONS 1
+#endif
+
+/* If more than one debugging type is supported, you must define
+ PREFERRED_DEBUGGING_TYPE to choose a format in a system-dependent way.
+
+ This is one long line cause VAXC can't handle a \-newline. */
+#if 1 < (defined (DBX_DEBUGGING_INFO) + defined (SDB_DEBUGGING_INFO) + defined (DWARF_DEBUGGING_INFO) + defined (DWARF2_DEBUGGING_INFO) + defined (XCOFF_DEBUGGING_INFO) + defined (VMS_DEBUGGING_INFO))
+#ifndef PREFERRED_DEBUGGING_TYPE
+You Lose! You must define PREFERRED_DEBUGGING_TYPE!
+#endif /* no PREFERRED_DEBUGGING_TYPE */
+#else /* Only one debugging format supported. Define PREFERRED_DEBUGGING_TYPE
+ so other code needn't care. */
+#ifdef DBX_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+#endif
+#ifdef SDB_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
+#endif
+#ifdef DWARF_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DWARF_DEBUG
+#endif
+#ifdef DWARF2_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+#endif
+#ifdef VMS_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG
+#endif
+#ifdef XCOFF_DEBUGGING_INFO
+#define PREFERRED_DEBUGGING_TYPE XCOFF_DEBUG
+#endif
+#endif /* More than one debugger format enabled. */
+
+/* If still not defined, must have been because no debugging formats
+ are supported. */
+#ifndef PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE NO_DEBUG
+#endif
+
+/* This is set to 1 if BYTES_BIG_ENDIAN is defined but the target uses a
+ little-endian method of passing and returning structures in registers.
+ On the HP-UX IA64 and PA64 platforms structures are aligned differently
+ then integral values and setting this value to 1 will allow for the
+ special handling of structure arguments and return values in regs. */
+
+#ifndef FUNCTION_ARG_REG_LITTLE_ENDIAN
+#define FUNCTION_ARG_REG_LITTLE_ENDIAN 0
+#endif
+
+/* Determine the register class for registers suitable to be the base
+ address register in a MEM. Allow the choice to be dependent upon
+ the mode of the memory access. */
+#ifndef MODE_BASE_REG_CLASS
+#define MODE_BASE_REG_CLASS(MODE) BASE_REG_CLASS
+#endif
+
+#ifndef LARGEST_EXPONENT_IS_NORMAL
+#define LARGEST_EXPONENT_IS_NORMAL(SIZE) 0
+#endif
+
+#ifndef ROUND_TOWARDS_ZERO
+#define ROUND_TOWARDS_ZERO 0
+#endif
+
+#ifndef MODE_HAS_NANS
+#define MODE_HAS_NANS(MODE) \
+ (FLOAT_MODE_P (MODE) \
+ && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT \
+ && !LARGEST_EXPONENT_IS_NORMAL (GET_MODE_BITSIZE (MODE)))
+#endif
+
+#ifndef MODE_HAS_INFINITIES
+#define MODE_HAS_INFINITIES(MODE) \
+ (FLOAT_MODE_P (MODE) \
+ && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT \
+ && !LARGEST_EXPONENT_IS_NORMAL (GET_MODE_BITSIZE (MODE)))
+#endif
+
+#ifndef MODE_HAS_SIGNED_ZEROS
+#define MODE_HAS_SIGNED_ZEROS(MODE) \
+ (FLOAT_MODE_P (MODE) && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT)
+#endif
+
+#ifndef MODE_HAS_SIGN_DEPENDENT_ROUNDING
+#define MODE_HAS_SIGN_DEPENDENT_ROUNDING(MODE) \
+ (FLOAT_MODE_P (MODE) \
+ && TARGET_FLOAT_FORMAT == IEEE_FLOAT_FORMAT \
+ && !ROUND_TOWARDS_ZERO)
+#endif
+
+#ifndef HOT_TEXT_SECTION_NAME
+#define HOT_TEXT_SECTION_NAME "text.hot"
+#endif
-#ifndef TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER
-#define TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER true
+#ifndef UNLIKELY_EXECUTED_TEXT_SECTION_NAME
+#define UNLIKELY_EXECUTED_TEXT_SECTION_NAME "text.unlikely"
#endif
#endif /* ! GCC_DEFAULTS_H */
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