/* Definitions of various defaults for tm.h macros.
- Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com)
#ifndef TARGET_BELL
# define TARGET_BELL 007
# define TARGET_BS 010
-# define TARGET_TAB 011
-# define TARGET_NEWLINE 012
-# define TARGET_VT 013
-# define TARGET_FF 014
# define TARGET_CR 015
+# define TARGET_DIGIT0 060
# define TARGET_ESC 033
-#endif
-
-#ifndef TARGET_OS_CPP_BUILTINS
-# define TARGET_OS_CPP_BUILTINS()
+# define TARGET_FF 014
+# define TARGET_NEWLINE 012
+# define TARGET_TAB 011
+# define TARGET_VT 013
#endif
/* Store in OUTPUT a string (made with alloca) containing an
#ifndef ASM_FORMAT_PRIVATE_NAME
# define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
do { const char *const name_ = (NAME); \
- char *const output_ = (OUTPUT) = (char *) alloca (strlen (name_) + 32);\
+ char *const output_ = (OUTPUT) = \
+ (char *) alloca (strlen (name_) + 32); \
sprintf (output_, ASM_PN_FORMAT, name_, (unsigned long)(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 { fputs (integer_asm_op (POINTER_SIZE / UNITS_PER_WORD, TRUE), FILE); \
+do { fputs (integer_asm_op (POINTER_SIZE / BITS_PER_UNIT, TRUE), FILE); \
(*targetm.asm_out.internal_label) (FILE, "L", (VALUE)); \
fputc ('\n', FILE); \
} while (0)
#endif
-/* choose a reasonable default for ASM_OUTPUT_ASCII. */
+/* Choose a reasonable default for ASM_OUTPUT_ASCII. */
#ifndef ASM_OUTPUT_ASCII
#define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \
#endif
#endif
+/* This determines whether weak symbols must be left out of a static
+ archive's table of contents. Defining this macro to be nonzero has
+ the consequence that certain symbols will not be made weak that
+ otherwise would be. The C++ ABI requires this macro to be zero;
+ see the documentation. */
+#ifndef TARGET_WEAK_NOT_IN_ARCHIVE_TOC
+#define TARGET_WEAK_NOT_IN_ARCHIVE_TOC 0
+#endif
+
+/* This determines whether or not we need linkonce unwind information. */
+#ifndef TARGET_USES_WEAK_UNWIND_INFO
+#define TARGET_USES_WEAK_UNWIND_INFO 0
+#endif
+
/* By default, there is no prefix on user-defined symbols. */
#ifndef USER_LABEL_PREFIX
#define USER_LABEL_PREFIX ""
#endif
/* If the target supports weak symbols, define TARGET_ATTRIBUTE_WEAK to
- provide a weak attribute. Else define it to nothing.
+ provide a weak attribute. Else define it to nothing.
This would normally belong in ansidecl.h, but SUPPORTS_WEAK is
not available at that time.
# endif
#endif
+/* This determines whether this target supports hidden visibility.
+ This is a weaker condition than HAVE_GAS_HIDDEN, which probes for
+ specific assembler syntax. */
+#ifndef TARGET_SUPPORTS_HIDDEN
+# ifdef HAVE_GAS_HIDDEN
+# define TARGET_SUPPORTS_HIDDEN 1
+# else
+# define TARGET_SUPPORTS_HIDDEN 0
+# endif
+#endif
+
+/* Determines whether we may use common symbols to represent one-only
+ semantics (a.k.a. "vague linkage"). */
+#ifndef USE_COMMON_FOR_ONE_ONLY
+# define USE_COMMON_FOR_ONE_ONLY 1
+#endif
+
+/* By default we can assume that all global symbols are in one namespace,
+ across all shared libraries. */
+#ifndef MULTIPLE_SYMBOL_SPACES
+# define MULTIPLE_SYMBOL_SPACES 0
+#endif
+
/* If the target supports init_priority C++ attribute, give
SUPPORTS_INIT_PRIORITY a nonzero value. */
#ifndef SUPPORTS_INIT_PRIORITY
#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 */
#define POINTER_SIZE BITS_PER_WORD
#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
+#ifndef TARGET_DLLIMPORT_DECL_ATTRIBUTES
+#define TARGET_DLLIMPORT_DECL_ATTRIBUTES 0
+#endif
+
+#ifndef TARGET_DECLSPEC
+#if TARGET_DLLIMPORT_DECL_ATTRIBUTES
+/* If the target supports the "dllimport" attribute, users are
+ probably used to the "__declspec" syntax. */
+#define TARGET_DECLSPEC 1
+#else
+#define TARGET_DECLSPEC 0
+#endif
+#endif
+
/* By default, the preprocessor should be invoked the same way in C++
as in C. */
#ifndef CPLUSPLUS_CPP_SPEC
#endif
#endif
+/* Decide whether a function's arguments should be processed
+ from first to last or from last to first.
+
+ They should if the stack and args grow in opposite directions, but
+ only if we have push insns. */
+
+#ifdef PUSH_ROUNDING
+
+#ifndef PUSH_ARGS_REVERSED
+#if defined (STACK_GROWS_DOWNWARD) != defined (ARGS_GROW_DOWNWARD)
+#define PUSH_ARGS_REVERSED PUSH_ARGS
+#endif
+#endif
+
+#endif
+
+#ifndef PUSH_ARGS_REVERSED
+#define PUSH_ARGS_REVERSED 0
+#endif
+
/* If PREFERRED_STACK_BOUNDARY is not defined, set it to STACK_BOUNDARY.
STACK_BOUNDARY is required. */
#ifndef PREFERRED_STACK_BOUNDARY
#define PREFERRED_STACK_BOUNDARY STACK_BOUNDARY
#endif
+#ifndef TARGET_DEFAULT_PACK_STRUCT
+#define TARGET_DEFAULT_PACK_STRUCT 0
+#endif
+
/* By default, the C++ compiler will use function addresses in the
vtable entries. Setting this nonzero 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
+ 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_DATA_ENTRY_DISTANCE 1
#endif
+/* Decide whether it is safe to use a local alias for a virtual function
+ when constructing thunks. */
+#ifndef TARGET_USE_LOCAL_THUNK_ALIAS_P
+#ifdef ASM_OUTPUT_DEF
+#define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 1
+#else
+#define TARGET_USE_LOCAL_THUNK_ALIAS_P(DECL) 0
+#endif
+#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. */
#endif
/* If more than one debugging type is supported, you must define
- PREFERRED_DEBUGGING_TYPE to choose a format in a system-dependent way.
+ PREFERRED_DEBUGGING_TYPE to choose the default. */
- 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))
+#if 1 < (defined (DBX_DEBUGGING_INFO) + defined (SDB_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!
+#error 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
+
+/* If only one debugging format is supported, define PREFERRED_DEBUGGING_TYPE
+ here so other code needn't care. */
+#elif defined DBX_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-#endif
-#ifdef SDB_DEBUGGING_INFO
+
+#elif defined 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
+
+#elif defined DWARF2_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
-#endif
-#ifdef VMS_DEBUGGING_INFO
+
+#elif defined VMS_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG
-#endif
-#ifdef XCOFF_DEBUGGING_INFO
+
+#elif defined 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
+#else
+/* No debugging format is supported by this target. */
#define PREFERRED_DEBUGGING_TYPE NO_DEBUG
#endif
#define TARGET_FLOAT_FORMAT IEEE_FLOAT_FORMAT
#endif
+/* Some macros can be defined by the backend in either a mode-dependent
+ or mode-independent form. The compiler proper should only use the
+ mode-dependent form, providing VOIDmode when the mode is unknown.
+ We can't poison the macros because the backend may reference them. */
+
+#ifndef REGNO_MODE_OK_FOR_BASE_P
+#define REGNO_MODE_OK_FOR_BASE_P(REGNO, MODE) REGNO_OK_FOR_BASE_P (REGNO)
+#endif
+
+#ifndef REG_MODE_OK_FOR_BASE_P
+#define REG_MODE_OK_FOR_BASE_P(REG, MODE) REG_OK_FOR_BASE_P (REG)
+#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. */
#define MODE_BASE_REG_CLASS(MODE) BASE_REG_CLASS
#endif
+/* Some machines require a different base register class if the index
+ is a register. By default, assume that a base register is acceptable. */
+#ifndef MODE_BASE_REG_REG_CLASS
+#define MODE_BASE_REG_REG_CLASS(MODE) MODE_BASE_REG_CLASS(MODE)
+#endif
+
+#ifndef REGNO_MODE_OK_FOR_REG_BASE_P
+#define REGNO_MODE_OK_FOR_REG_BASE_P(REGNO, MODE) REGNO_MODE_OK_FOR_BASE_P (REGNO, MODE)
+#endif
+
+#ifndef REG_MODE_OK_FOR_REG_BASE_P
+#define REG_MODE_OK_FOR_REG_BASE_P(REGNO, MODE) REG_MODE_OK_FOR_BASE_P (REGNO, MODE)
+#endif
+
#ifndef LARGEST_EXPONENT_IS_NORMAL
#define LARGEST_EXPONENT_IS_NORMAL(SIZE) 0
#endif
&& !ROUND_TOWARDS_ZERO)
#endif
+#ifndef FLOAT_LIB_COMPARE_RETURNS_BOOL
+#define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) false
+#endif
+
+/* True if the targets integer-comparison functions return { 0, 1, 2
+ } to indicate { <, ==, > }. False if { -1, 0, 1 } is used
+ instead. The libgcc routines are biased. */
+#ifndef TARGET_LIB_INT_CMP_BIASED
+#define TARGET_LIB_INT_CMP_BIASED (true)
+#endif
+
/* If FLOAT_WORDS_BIG_ENDIAN is not defined in the header files,
then the word-endianness is the same as for integers. */
#ifndef FLOAT_WORDS_BIG_ENDIAN
#endif
#ifndef HOT_TEXT_SECTION_NAME
-#define HOT_TEXT_SECTION_NAME "text.hot"
+#define HOT_TEXT_SECTION_NAME ".text.hot"
#endif
#ifndef UNLIKELY_EXECUTED_TEXT_SECTION_NAME
-#define UNLIKELY_EXECUTED_TEXT_SECTION_NAME "text.unlikely"
+#define UNLIKELY_EXECUTED_TEXT_SECTION_NAME ".text.unlikely"
#endif
-#ifndef VECTOR_MODE_SUPPORTED_P
-#define VECTOR_MODE_SUPPORTED_P(MODE) 0
+#ifndef HAS_LONG_COND_BRANCH
+#define HAS_LONG_COND_BRANCH 0
+#endif
+
+#ifndef HAS_LONG_UNCOND_BRANCH
+#define HAS_LONG_UNCOND_BRANCH 0
+#endif
+
+#ifndef UNITS_PER_SIMD_WORD
+#define UNITS_PER_SIMD_WORD 0
#endif
/* Determine whether __cxa_atexit, rather than atexit, is used to
CONST_DOUBLE_OK_FOR_LETTER_P (OP, C)
#endif
+#ifndef REG_CLASS_FROM_CONSTRAINT
#define REG_CLASS_FROM_CONSTRAINT(C,STR) REG_CLASS_FROM_LETTER (C)
+#endif
#if defined (EXTRA_CONSTRAINT) && ! defined (EXTRA_CONSTRAINT_STR)
#define EXTRA_CONSTRAINT_STR(OP, C,STR) EXTRA_CONSTRAINT (OP, C)
#endif
+#ifndef REGISTER_MOVE_COST
+#define REGISTER_MOVE_COST(m, x, y) 2
+#endif
+
/* Determine whether the the entire c99 runtime
is present in the runtime library. */
#ifndef TARGET_C99_FUNCTIONS
#endif
/* Indicate that CLZ and CTZ are undefined at zero. */
-#ifndef CLZ_DEFINED_VALUE_AT_ZERO
+#ifndef CLZ_DEFINED_VALUE_AT_ZERO
#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0
#endif
-#ifndef CTZ_DEFINED_VALUE_AT_ZERO
+#ifndef CTZ_DEFINED_VALUE_AT_ZERO
#define CTZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0
#endif
+/* Provide a default value for STORE_FLAG_VALUE. */
+#ifndef STORE_FLAG_VALUE
+#define STORE_FLAG_VALUE 1
+#endif
+
+/* This macro is used to determine what the largest unit size that
+ move_by_pieces can use is. */
+
+/* MOVE_MAX_PIECES is the number of bytes at a time which we can
+ move efficiently, as opposed to MOVE_MAX which is the maximum
+ number of bytes we can move with a single instruction. */
+
+#ifndef MOVE_MAX_PIECES
+#define MOVE_MAX_PIECES MOVE_MAX
+#endif
+
+#ifndef STACK_POINTER_OFFSET
+#define STACK_POINTER_OFFSET 0
+#endif
+
+#ifndef LOCAL_REGNO
+#define LOCAL_REGNO(REGNO) 0
+#endif
+
+/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
+ the stack pointer does not matter. The value is tested only in
+ functions that have frame pointers. */
+#ifndef EXIT_IGNORE_STACK
+#define EXIT_IGNORE_STACK 0
+#endif
+
+/* Assume that case vectors are not pc-relative. */
+#ifndef CASE_VECTOR_PC_RELATIVE
+#define CASE_VECTOR_PC_RELATIVE 0
+#endif
+
+/* Assume that trampolines need function alignment. */
+#ifndef TRAMPOLINE_ALIGNMENT
+#define TRAMPOLINE_ALIGNMENT FUNCTION_BOUNDARY
+#endif
+
+/* Register mappings for target machines without register windows. */
+#ifndef INCOMING_REGNO
+#define INCOMING_REGNO(N) (N)
+#endif
+
+#ifndef OUTGOING_REGNO
+#define OUTGOING_REGNO(N) (N)
+#endif
+
+#ifndef SHIFT_COUNT_TRUNCATED
+#define SHIFT_COUNT_TRUNCATED 0
+#endif
+
+#ifndef LEGITIMIZE_ADDRESS
+#define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN)
+#endif
+
+#ifndef LEGITIMATE_PIC_OPERAND_P
+#define LEGITIMATE_PIC_OPERAND_P(X) 1
+#endif
+
+#ifndef REVERSIBLE_CC_MODE
+#define REVERSIBLE_CC_MODE(MODE) 0
+#endif
+
+/* Biggest alignment supported by the object file format of this machine. */
+#ifndef MAX_OFILE_ALIGNMENT
+#define MAX_OFILE_ALIGNMENT BIGGEST_ALIGNMENT
+#endif
+
#endif /* ! GCC_DEFAULTS_H */