/* Definitions of various defaults for tm.h macros.
- Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002
+ Copyright (C) 1992, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com)
#define GET_ENVIRONMENT(VALUE, NAME) do { (VALUE) = getenv (NAME); } while (0)
#endif
-#define obstack_chunk_alloc xmalloc
-#define obstack_chunk_free free
+#define obstack_chunk_alloc ((void *(*) (long)) xmalloc)
+#define obstack_chunk_free ((void (*) (void *)) free)
+#define OBSTACK_CHUNK_SIZE 0
+#define gcc_obstack_init(OBSTACK) \
+ _obstack_begin ((OBSTACK), OBSTACK_CHUNK_SIZE, 0, \
+ obstack_chunk_alloc, \
+ obstack_chunk_free)
/* Define default standard character escape sequences. */
#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
+# define TARGET_FF 014
+# define TARGET_NEWLINE 012
+# define TARGET_TAB 011
+# define TARGET_VT 013
#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.
+/* 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_PN_FORMAT
+# ifndef NO_DOT_IN_LABEL
+# define ASM_PN_FORMAT "%s.%lu"
+# else
+# ifndef NO_DOLLAR_IN_LABEL
+# define ASM_PN_FORMAT "%s$%lu"
+# else
+# define ASM_PN_FORMAT "__%s_%lu"
+# endif
+# endif
+#endif /* ! ASM_PN_FORMAT */
+
#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); \
+# define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
+ do { const char *const name_ = (NAME); \
+ char *const output_ = (OUTPUT) = alloca (strlen (name_) + 32);\
+ sprintf (output_, ASM_PN_FORMAT, name_, (unsigned long)(LABELNO)); \
} while (0)
#endif
#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); \
- ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", (VALUE)); \
+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) \
#ifndef ASM_OUTPUT_DEBUG_LABEL
#define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \
- ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM)
+ (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM)
#endif
/* This is how we tell the assembler that a symbol is weak. */
HOST_WIDE_INT size_ = (SIZE); \
fputs (SIZE_ASM_OP, STREAM); \
assemble_name (STREAM, NAME); \
- fputs (", ", STREAM); \
- fprintf (STREAM, HOST_WIDE_INT_PRINT_DEC, size_); \
- putc ('\n', STREAM); \
+ fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \
} \
while (0)
#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
#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
+
+
/* If the target supports init_priority C++ attribute, give
SUPPORTS_INIT_PRIORITY a nonzero value. */
#ifndef SUPPORTS_INIT_PRIORITY
#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
-/* Type used by GCOV counters. Use 64bit data type if target supports
- it. */
-#if LONG_TYPE_SIZE >= 64
-#define GCOV_TYPE_SIZE LONG_TYPE_SIZE
-#else
-#define GCOV_TYPE_SIZE LONG_LONG_TYPE_SIZE
-#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 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. */
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))
+#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!
#endif /* no 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
-
/* Define codes for all the float formats that we know of. */
#define UNKNOWN_FLOAT_FORMAT 0
#define IEEE_FLOAT_FORMAT 1
&& !ROUND_TOWARDS_ZERO)
#endif
-/* If FLOAT_WORDS_BIG_ENDIAN and HOST_FLOAT_WORDS_BIG_ENDIAN are not defined
- in the header files, then this implies the word-endianness is the same as
- for integers. */
+#ifndef FLOAT_LIB_COMPARE_RETURNS_BOOL
+#define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) false
+#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
#define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
#endif
#endif
#ifndef HOT_TEXT_SECTION_NAME
-#define HOT_TEXT_SECTION_NAME "text.hot"
+#define HOT_TEXT_SECTION_NAME ".text.hot"
+#endif
+
+#ifndef NORMAL_TEXT_SECTION_NAME
+#define NORMAL_TEXT_SECTION_NAME ".text"
#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 HAS_LONG_COND_BRANCH
+#define HAS_LONG_COND_BRANCH 0
+#endif
+
+#ifndef HAS_LONG_UNCOND_BRANCH
+#define HAS_LONG_UNCOND_BRANCH 0
#endif
#ifndef VECTOR_MODE_SUPPORTED_P
/* Determine whether extra constraint letter should be handled
via address reload (like 'o'). */
#ifndef EXTRA_MEMORY_CONSTRAINT
-#define EXTRA_MEMORY_CONSTRAINT(C) 0
+#define EXTRA_MEMORY_CONSTRAINT(C,STR) 0
#endif
/* Determine whether extra constraint letter should be handled
as an address (like 'p'). */
#ifndef EXTRA_ADDRESS_CONSTRAINT
-#define EXTRA_ADDRESS_CONSTRAINT(C) 0
+#define EXTRA_ADDRESS_CONSTRAINT(C,STR) 0
+#endif
+
+/* When a port defines CONSTRAINT_LEN, it should use DEFAULT_CONSTRAINT_LEN
+ for all the characters that it does not want to change, so things like the
+ 'length' of a digit in a matching constraint is an implementation detail,
+ and not part of the interface. */
+#define DEFAULT_CONSTRAINT_LEN(C,STR) 1
+
+#ifndef CONSTRAINT_LEN
+#define CONSTRAINT_LEN(C,STR) DEFAULT_CONSTRAINT_LEN (C, STR)
+#endif
+
+#if defined (CONST_OK_FOR_LETTER_P) && ! defined (CONST_OK_FOR_CONSTRAINT_P)
+#define CONST_OK_FOR_CONSTRAINT_P(VAL,C,STR) CONST_OK_FOR_LETTER_P (VAL, C)
+#endif
+
+#if defined (CONST_DOUBLE_OK_FOR_LETTER_P) && ! defined (CONST_DOUBLE_OK_FOR_CONSTRAINT_P)
+#define CONST_DOUBLE_OK_FOR_CONSTRAINT_P(OP,C,STR) \
+ 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
+#define TARGET_C99_FUNCTIONS 0
+#endif
+
+/* Indicate that CLZ and CTZ are undefined at zero. */
+#ifndef CLZ_DEFINED_VALUE_AT_ZERO
+#define CLZ_DEFINED_VALUE_AT_ZERO(MODE, VALUE) 0
+#endif
+#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 REVERSIBLE_CC_MODE
+#define REVERSIBLE_CC_MODE(MODE) 0
#endif
#endif /* ! GCC_DEFAULTS_H */
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