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- /* Definitions of various defaults for tm.h macros.
- Copyright (C) 1992-2015 Free Software Foundation, Inc.
- Contributed by Ron Guilmette (rfg@monkeys.com)
- This file is part of GCC.
- 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 3, or (at your option) any later
- version.
- 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.
- Under Section 7 of GPL version 3, you are granted additional
- permissions described in the GCC Runtime Library Exception, version
- 3.1, as published by the Free Software Foundation.
- You should have received a copy of the GNU General Public License and
- a copy of the GCC Runtime Library Exception along with this program;
- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
- <http://www.gnu.org/licenses/>. */
- #ifndef GCC_DEFAULTS_H
- #define GCC_DEFAULTS_H
- /* How to start an assembler comment. */
- #ifndef ASM_COMMENT_START
- #define ASM_COMMENT_START ";#"
- #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_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 { const char *const name_ = (NAME); \
- char *const output_ = (OUTPUT) = \
- (char *) alloca (strlen (name_) + 32); \
- sprintf (output_, ASM_PN_FORMAT, name_, (unsigned long)(LABELNO)); \
- } 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++) \
- { \
- 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
- /* 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
- #ifndef IFUNC_ASM_TYPE
- #define IFUNC_ASM_TYPE "gnu_indirect_function"
- #endif
- #ifndef TLS_COMMON_ASM_OP
- #define TLS_COMMON_ASM_OP ".tls_common"
- #endif
- #if defined (HAVE_AS_TLS) && !defined (ASM_OUTPUT_TLS_COMMON)
- #define ASM_OUTPUT_TLS_COMMON(FILE, DECL, NAME, SIZE) \
- do \
- { \
- fprintf ((FILE), "\t%s\t", TLS_COMMON_ASM_OP); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
- (SIZE), DECL_ALIGN (DECL) / BITS_PER_UNIT); \
- } \
- while (0)
- #endif
- /* Decide whether to defer emitting the assembler output for an equate
- of two values. The default is to not defer output. */
- #ifndef TARGET_DEFERRED_OUTPUT_DEFS
- #define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) false
- #endif
- /* This is how to output the definition of a user-level label named
- NAME, such as the label on variable NAME. */
- #ifndef ASM_OUTPUT_LABEL
- #define ASM_OUTPUT_LABEL(FILE,NAME) \
- do { \
- assemble_name ((FILE), (NAME)); \
- fputs (":\n", (FILE)); \
- } while (0)
- #endif
- /* This is how to output the definition of a user-level label named
- NAME, such as the label on a function. */
- #ifndef ASM_OUTPUT_FUNCTION_LABEL
- #define ASM_OUTPUT_FUNCTION_LABEL(FILE, NAME, DECL) \
- ASM_OUTPUT_LABEL ((FILE), (NAME))
- #endif
- /* Output the definition of a compiler-generated label named NAME. */
- #ifndef ASM_OUTPUT_INTERNAL_LABEL
- #define ASM_OUTPUT_INTERNAL_LABEL(FILE,NAME) \
- do { \
- assemble_name_raw ((FILE), (NAME)); \
- fputs (":\n", (FILE)); \
- } while (0)
- #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) \
- do { \
- fputs (user_label_prefix, (FILE)); \
- fputs ((NAME), (FILE)); \
- } while (0);
- #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) \
- (*targetm.asm_out.internal_label) (FILE, PREFIX, NUM)
- #endif
- /* This is how we tell the assembler that a symbol is weak. */
- #ifndef ASM_OUTPUT_WEAK_ALIAS
- #if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_DEF)
- #define ASM_OUTPUT_WEAK_ALIAS(STREAM, NAME, VALUE) \
- do \
- { \
- ASM_WEAKEN_LABEL (STREAM, NAME); \
- if (VALUE) \
- ASM_OUTPUT_DEF (STREAM, NAME, VALUE); \
- } \
- while (0)
- #endif
- #endif
- /* This is how we tell the assembler that a symbol is a weak alias to
- another symbol that doesn't require the other symbol to be defined.
- Uses of the former will turn into weak uses of the latter, i.e.,
- uses that, in case the latter is undefined, will not cause errors,
- and will add it to the symbol table as weak undefined. However, if
- the latter is referenced directly, a strong reference prevails. */
- #ifndef ASM_OUTPUT_WEAKREF
- #if defined HAVE_GAS_WEAKREF
- #define ASM_OUTPUT_WEAKREF(FILE, DECL, NAME, VALUE) \
- do \
- { \
- fprintf ((FILE), "\t.weakref\t"); \
- assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ","); \
- assemble_name ((FILE), (VALUE)); \
- fprintf ((FILE), "\n"); \
- } \
- while (0)
- #endif
- #endif
- /* How to emit a .type directive. */
- #ifndef ASM_OUTPUT_TYPE_DIRECTIVE
- #if defined TYPE_ASM_OP && defined TYPE_OPERAND_FMT
- #define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE) \
- do \
- { \
- fputs (TYPE_ASM_OP, STREAM); \
- assemble_name (STREAM, NAME); \
- fputs (", ", STREAM); \
- fprintf (STREAM, TYPE_OPERAND_FMT, TYPE); \
- putc ('\n', STREAM); \
- } \
- while (0)
- #endif
- #endif
- /* How to emit a .size directive. */
- #ifndef ASM_OUTPUT_SIZE_DIRECTIVE
- #ifdef SIZE_ASM_OP
- #define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE) \
- do \
- { \
- HOST_WIDE_INT size_ = (SIZE); \
- fputs (SIZE_ASM_OP, STREAM); \
- assemble_name (STREAM, NAME); \
- fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \
- } \
- while (0)
- #define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME) \
- do \
- { \
- fputs (SIZE_ASM_OP, STREAM); \
- assemble_name (STREAM, NAME); \
- fputs (", .-", STREAM); \
- assemble_name (STREAM, NAME); \
- putc ('\n', STREAM); \
- } \
- while (0)
- #endif
- #endif
- /* This determines whether or not we support weak symbols. SUPPORTS_WEAK
- must be a preprocessor constant. */
- #ifndef SUPPORTS_WEAK
- #if defined (ASM_WEAKEN_LABEL) || defined (ASM_WEAKEN_DECL)
- #define SUPPORTS_WEAK 1
- #else
- #define SUPPORTS_WEAK 0
- #endif
- #endif
- /* This determines whether or not we support weak symbols during target
- code generation. TARGET_SUPPORTS_WEAK can be any valid C expression. */
- #ifndef TARGET_SUPPORTS_WEAK
- #define TARGET_SUPPORTS_WEAK (SUPPORTS_WEAK)
- #endif
- /* This determines whether or not we support the discriminator
- attribute in the .loc directive. */
- #ifndef SUPPORTS_DISCRIMINATOR
- #ifdef HAVE_GAS_DISCRIMINATOR
- #define SUPPORTS_DISCRIMINATOR 1
- #else
- #define SUPPORTS_DISCRIMINATOR 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
- /* 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.
- This would normally belong in ansidecl.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
- /* 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
- #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 we have named sections, and we're using crtstuff to run ctors,
- use them for registering eh frame information. */
- #if defined (TARGET_ASM_NAMED_SECTION) && DWARF2_UNWIND_INFO \
- && !defined (EH_FRAME_IN_DATA_SECTION)
- #ifndef EH_FRAME_SECTION_NAME
- #define EH_FRAME_SECTION_NAME ".eh_frame"
- #endif
- #endif
- /* On many systems, different EH table encodings are used under
- difference circumstances. Some will require runtime relocations;
- some will not. For those that do not require runtime relocations,
- we would like to make the table read-only. However, since the
- read-only tables may need to be combined with read-write tables
- that do require runtime relocation, it is not safe to make the
- tables read-only unless the linker will merge read-only and
- read-write sections into a single read-write section. If your
- linker does not have this ability, but your system is such that no
- encoding used with non-PIC code will ever require a runtime
- relocation, then you can define EH_TABLES_CAN_BE_READ_ONLY to 1 in
- your target configuration file. */
- #ifndef EH_TABLES_CAN_BE_READ_ONLY
- #ifdef HAVE_LD_RO_RW_SECTION_MIXING
- #define EH_TABLES_CAN_BE_READ_ONLY 1
- #else
- #define EH_TABLES_CAN_BE_READ_ONLY 0
- #endif
- #endif
- /* If we have named section and we support weak symbols, then use the
- .jcr section for recording java classes which need to be registered
- at program start-up time. */
- #if 0 && defined (TARGET_ASM_NAMED_SECTION) && SUPPORTS_WEAK
- #ifndef JCR_SECTION_NAME
- #define JCR_SECTION_NAME ".jcr"
- #endif
- #endif
- /* This decision to use a .jcr section can be overridden by defining
- USE_JCR_SECTION to 0 in target file. This is necessary if target
- can define JCR_SECTION_NAME but does not have crtstuff or
- linker support for .jcr section. */
- #ifndef TARGET_USE_JCR_SECTION
- #ifdef JCR_SECTION_NAME
- #define TARGET_USE_JCR_SECTION 1
- #else
- #define TARGET_USE_JCR_SECTION 0
- #endif
- #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
- /* Offsets recorded in opcodes are a multiple of this alignment factor. */
- #ifndef DWARF_CIE_DATA_ALIGNMENT
- #ifdef STACK_GROWS_DOWNWARD
- #define DWARF_CIE_DATA_ALIGNMENT (-((int) UNITS_PER_WORD))
- #else
- #define DWARF_CIE_DATA_ALIGNMENT ((int) UNITS_PER_WORD)
- #endif
- #endif
- /* The DWARF 2 CFA column which tracks the return address. Normally this
- is the column for PC, or the first column after all of the hard
- registers. */
- #ifndef DWARF_FRAME_RETURN_COLUMN
- #ifdef PC_REGNUM
- #define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGNUM (PC_REGNUM)
- #else
- #define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGISTERS
- #endif
- #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
- /* The mapping from gcc register number to DWARF 2 CFA column number.
- By default, we just provide columns for all registers. */
- #ifndef DWARF_FRAME_REGNUM
- #define DWARF_FRAME_REGNUM(REG) DBX_REGISTER_NUMBER (REG)
- #endif
- /* The mapping from dwarf CFA reg number to internal dwarf reg numbers. */
- #ifndef DWARF_REG_TO_UNWIND_COLUMN
- #define DWARF_REG_TO_UNWIND_COLUMN(REGNO) (REGNO)
- #endif
- /* Map register numbers held in the call frame info that gcc has
- collected using DWARF_FRAME_REGNUM to those that should be output in
- .debug_frame and .eh_frame. */
- #ifndef DWARF2_FRAME_REG_OUT
- #define DWARF2_FRAME_REG_OUT(REGNO, FOR_EH) (REGNO)
- #endif
- /* The size of addresses as they appear in the Dwarf 2 data.
- Some architectures use word addresses to refer to code locations,
- but Dwarf 2 info always uses byte addresses. On such machines,
- Dwarf 2 addresses need to be larger than the architecture's
- pointers. */
- #ifndef DWARF2_ADDR_SIZE
- #define DWARF2_ADDR_SIZE ((POINTER_SIZE + BITS_PER_UNIT - 1) / BITS_PER_UNIT)
- #endif
- /* The size in bytes of a DWARF field indicating an offset or length
- relative to a debug info section, specified to be 4 bytes in the
- DWARF-2 specification. The SGI/MIPS ABI defines it to be the same
- as PTR_SIZE. */
- #ifndef DWARF_OFFSET_SIZE
- #define DWARF_OFFSET_SIZE 4
- #endif
- /* The size in bytes of a DWARF 4 type signature. */
- #ifndef DWARF_TYPE_SIGNATURE_SIZE
- #define DWARF_TYPE_SIGNATURE_SIZE 8
- #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. */
- #if BITS_PER_UNIT == 8
- #define LOG2_BITS_PER_UNIT 3
- #elif BITS_PER_UNIT == 16
- #define LOG2_BITS_PER_UNIT 4
- #else
- #error Unknown BITS_PER_UNIT
- #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
- #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 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 DECIMAL32_TYPE_SIZE
- #define DECIMAL32_TYPE_SIZE 32
- #endif
- #ifndef DECIMAL64_TYPE_SIZE
- #define DECIMAL64_TYPE_SIZE 64
- #endif
- #ifndef DECIMAL128_TYPE_SIZE
- #define DECIMAL128_TYPE_SIZE 128
- #endif
- #ifndef SHORT_FRACT_TYPE_SIZE
- #define SHORT_FRACT_TYPE_SIZE BITS_PER_UNIT
- #endif
- #ifndef FRACT_TYPE_SIZE
- #define FRACT_TYPE_SIZE (BITS_PER_UNIT * 2)
- #endif
- #ifndef LONG_FRACT_TYPE_SIZE
- #define LONG_FRACT_TYPE_SIZE (BITS_PER_UNIT * 4)
- #endif
- #ifndef LONG_LONG_FRACT_TYPE_SIZE
- #define LONG_LONG_FRACT_TYPE_SIZE (BITS_PER_UNIT * 8)
- #endif
- #ifndef SHORT_ACCUM_TYPE_SIZE
- #define SHORT_ACCUM_TYPE_SIZE (SHORT_FRACT_TYPE_SIZE * 2)
- #endif
- #ifndef ACCUM_TYPE_SIZE
- #define ACCUM_TYPE_SIZE (FRACT_TYPE_SIZE * 2)
- #endif
- #ifndef LONG_ACCUM_TYPE_SIZE
- #define LONG_ACCUM_TYPE_SIZE (LONG_FRACT_TYPE_SIZE * 2)
- #endif
- #ifndef LONG_LONG_ACCUM_TYPE_SIZE
- #define LONG_LONG_ACCUM_TYPE_SIZE (LONG_LONG_FRACT_TYPE_SIZE * 2)
- #endif
- /* We let tm.h override the types used here, to handle trivial differences
- such as the choice of unsigned int or long unsigned int for size_t.
- When machines start needing nontrivial differences in the size type,
- it would be best to do something here to figure out automatically
- from other information what type to use. */
- #ifndef SIZE_TYPE
- #define SIZE_TYPE "long unsigned int"
- #endif
- #ifndef SIZETYPE
- #define SIZETYPE SIZE_TYPE
- #endif
- #ifndef PID_TYPE
- #define PID_TYPE "int"
- #endif
- /* If GCC knows the exact uint_least16_t and uint_least32_t types from
- <stdint.h>, use them for char16_t and char32_t. Otherwise, use
- these guesses; getting the wrong type of a given width will not
- affect C++ name mangling because in C++ these are distinct types
- not typedefs. */
- #ifdef UINT_LEAST16_TYPE
- #define CHAR16_TYPE UINT_LEAST16_TYPE
- #else
- #define CHAR16_TYPE "short unsigned int"
- #endif
- #ifdef UINT_LEAST32_TYPE
- #define CHAR32_TYPE UINT_LEAST32_TYPE
- #else
- #define CHAR32_TYPE "unsigned int"
- #endif
- #ifndef WCHAR_TYPE
- #define WCHAR_TYPE "int"
- #endif
- /* WCHAR_TYPE gets overridden by -fshort-wchar. */
- #define MODIFIED_WCHAR_TYPE \
- (flag_short_wchar ? "short unsigned int" : WCHAR_TYPE)
- #ifndef PTRDIFF_TYPE
- #define PTRDIFF_TYPE "long int"
- #endif
- #ifndef WINT_TYPE
- #define WINT_TYPE "unsigned int"
- #endif
- #ifndef INTMAX_TYPE
- #define INTMAX_TYPE ((INT_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
- ? "int" \
- : ((LONG_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
- ? "long int" \
- : "long long int"))
- #endif
- #ifndef UINTMAX_TYPE
- #define UINTMAX_TYPE ((INT_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
- ? "unsigned int" \
- : ((LONG_TYPE_SIZE == LONG_LONG_TYPE_SIZE) \
- ? "long unsigned int" \
- : "long long unsigned int"))
- #endif
- /* There are no default definitions of these <stdint.h> types. */
- #ifndef SIG_ATOMIC_TYPE
- #define SIG_ATOMIC_TYPE ((const char *) NULL)
- #endif
- #ifndef INT8_TYPE
- #define INT8_TYPE ((const char *) NULL)
- #endif
- #ifndef INT16_TYPE
- #define INT16_TYPE ((const char *) NULL)
- #endif
- #ifndef INT32_TYPE
- #define INT32_TYPE ((const char *) NULL)
- #endif
- #ifndef INT64_TYPE
- #define INT64_TYPE ((const char *) NULL)
- #endif
- #ifndef UINT8_TYPE
- #define UINT8_TYPE ((const char *) NULL)
- #endif
- #ifndef UINT16_TYPE
- #define UINT16_TYPE ((const char *) NULL)
- #endif
- #ifndef UINT32_TYPE
- #define UINT32_TYPE ((const char *) NULL)
- #endif
- #ifndef UINT64_TYPE
- #define UINT64_TYPE ((const char *) NULL)
- #endif
- #ifndef INT_LEAST8_TYPE
- #define INT_LEAST8_TYPE ((const char *) NULL)
- #endif
- #ifndef INT_LEAST16_TYPE
- #define INT_LEAST16_TYPE ((const char *) NULL)
- #endif
- #ifndef INT_LEAST32_TYPE
- #define INT_LEAST32_TYPE ((const char *) NULL)
- #endif
- #ifndef INT_LEAST64_TYPE
- #define INT_LEAST64_TYPE ((const char *) NULL)
- #endif
- #ifndef UINT_LEAST8_TYPE
- #define UINT_LEAST8_TYPE ((const char *) NULL)
- #endif
- #ifndef UINT_LEAST16_TYPE
- #define UINT_LEAST16_TYPE ((const char *) NULL)
- #endif
- #ifndef UINT_LEAST32_TYPE
- #define UINT_LEAST32_TYPE ((const char *) NULL)
- #endif
- #ifndef UINT_LEAST64_TYPE
- #define UINT_LEAST64_TYPE ((const char *) NULL)
- #endif
- #ifndef INT_FAST8_TYPE
- #define INT_FAST8_TYPE ((const char *) NULL)
- #endif
- #ifndef INT_FAST16_TYPE
- #define INT_FAST16_TYPE ((const char *) NULL)
- #endif
- #ifndef INT_FAST32_TYPE
- #define INT_FAST32_TYPE ((const char *) NULL)
- #endif
- #ifndef INT_FAST64_TYPE
- #define INT_FAST64_TYPE ((const char *) NULL)
- #endif
- #ifndef UINT_FAST8_TYPE
- #define UINT_FAST8_TYPE ((const char *) NULL)
- #endif
- #ifndef UINT_FAST16_TYPE
- #define UINT_FAST16_TYPE ((const char *) NULL)
- #endif
- #ifndef UINT_FAST32_TYPE
- #define UINT_FAST32_TYPE ((const char *) NULL)
- #endif
- #ifndef UINT_FAST64_TYPE
- #define UINT_FAST64_TYPE ((const char *) NULL)
- #endif
- #ifndef INTPTR_TYPE
- #define INTPTR_TYPE ((const char *) NULL)
- #endif
- #ifndef UINTPTR_TYPE
- #define UINTPTR_TYPE ((const char *) NULL)
- #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 POINTER_SIZE_UNITS
- #define POINTER_SIZE_UNITS ((POINTER_SIZE + BITS_PER_UNIT - 1) / BITS_PER_UNIT)
- #endif
- #ifndef PIC_OFFSET_TABLE_REGNUM
- #define PIC_OFFSET_TABLE_REGNUM INVALID_REGNUM
- #endif
- #ifndef PIC_OFFSET_TABLE_REG_CALL_CLOBBERED
- #define PIC_OFFSET_TABLE_REG_CALL_CLOBBERED 0
- #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
- #ifdef CPP_SPEC
- #define CPLUSPLUS_CPP_SPEC CPP_SPEC
- #endif
- #endif
- #ifndef ACCUMULATE_OUTGOING_ARGS
- #define ACCUMULATE_OUTGOING_ARGS 0
- #endif
- /* By default, use the GNU runtime for Objective C. */
- #ifndef NEXT_OBJC_RUNTIME
- #define NEXT_OBJC_RUNTIME 0
- #endif
- /* Supply a default definition for PUSH_ARGS. */
- #ifndef PUSH_ARGS
- #ifdef PUSH_ROUNDING
- #define PUSH_ARGS !ACCUMULATE_OUTGOING_ARGS
- #else
- #define PUSH_ARGS 0
- #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
- /* Default value for the alignment (in bits) a C conformant malloc has to
- provide. This default is intended to be safe and always correct. */
- #ifndef MALLOC_ABI_ALIGNMENT
- #define MALLOC_ABI_ALIGNMENT BITS_PER_WORD
- #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
- /* Set INCOMING_STACK_BOUNDARY to PREFERRED_STACK_BOUNDARY if it is not
- defined. */
- #ifndef INCOMING_STACK_BOUNDARY
- #define INCOMING_STACK_BOUNDARY PREFERRED_STACK_BOUNDARY
- #endif
- #ifndef TARGET_DEFAULT_PACK_STRUCT
- #define TARGET_DEFAULT_PACK_STRUCT 0
- #endif
- /* By default, the vtable entries are void pointers, the so the alignment
- is the same as pointer alignment. The value of this macro specifies
- the alignment of the vtable entry in bits. It should be defined only
- when special alignment is necessary. */
- #ifndef TARGET_VTABLE_ENTRY_ALIGN
- #define TARGET_VTABLE_ENTRY_ALIGN POINTER_SIZE
- #endif
- /* There are a few non-descriptor entries in the vtable at offsets below
- zero. If these entries must be padded (say, to preserve the alignment
- specified by TARGET_VTABLE_ENTRY_ALIGN), set this to the number of
- words in each data entry. */
- #ifndef TARGET_VTABLE_DATA_ENTRY_DISTANCE
- #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. */
- #ifndef ASM_PREFERRED_EH_DATA_FORMAT
- #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) DW_EH_PE_absptr
- #endif
- /* By default, the C++ compiler will use the lowest bit of the pointer
- to function to indicate a pointer-to-member-function points to a
- virtual member function. However, if FUNCTION_BOUNDARY indicates
- function addresses aren't always even, the lowest bit of the delta
- field will be used. */
- #ifndef TARGET_PTRMEMFUNC_VBIT_LOCATION
- #define TARGET_PTRMEMFUNC_VBIT_LOCATION \
- (FUNCTION_BOUNDARY >= 2 * BITS_PER_UNIT \
- ? ptrmemfunc_vbit_in_pfn : ptrmemfunc_vbit_in_delta)
- #endif
- #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 the default. */
- #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
- #error You must define PREFERRED_DEBUGGING_TYPE
- #endif /* no PREFERRED_DEBUGGING_TYPE */
- /* 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
- #elif defined SDB_DEBUGGING_INFO
- #define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
- #elif defined DWARF2_DEBUGGING_INFO
- #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
- #elif defined VMS_DEBUGGING_INFO
- #define PREFERRED_DEBUGGING_TYPE VMS_AND_DWARF2_DEBUG
- #elif defined XCOFF_DEBUGGING_INFO
- #define PREFERRED_DEBUGGING_TYPE XCOFF_DEBUG
- #else
- /* No debugging format is supported by this target. */
- #define PREFERRED_DEBUGGING_TYPE NO_DEBUG
- #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
- #define FLOAT_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
- #endif
- #ifndef REG_WORDS_BIG_ENDIAN
- #define REG_WORDS_BIG_ENDIAN WORDS_BIG_ENDIAN
- #endif
- #ifdef TARGET_FLT_EVAL_METHOD
- #define TARGET_FLT_EVAL_METHOD_NON_DEFAULT 1
- #else
- #define TARGET_FLT_EVAL_METHOD 0
- #define TARGET_FLT_EVAL_METHOD_NON_DEFAULT 0
- #endif
- #ifndef TARGET_DEC_EVAL_METHOD
- #define TARGET_DEC_EVAL_METHOD 2
- #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
- /* Determine whether __cxa_atexit, rather than atexit, is used to
- register C++ destructors for local statics and global objects. */
- #ifndef DEFAULT_USE_CXA_ATEXIT
- #define DEFAULT_USE_CXA_ATEXIT 0
- #endif
- #if GCC_VERSION >= 3000 && defined IN_GCC
- /* These old constraint macros shouldn't appear anywhere in a
- configuration using MD constraint definitions. */
- #endif
- /* Determin whether the target runtime library is Bionic */
- #ifndef TARGET_HAS_BIONIC
- #define TARGET_HAS_BIONIC 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
- /* STORE_MAX_PIECES is the number of bytes at a time that we can
- store efficiently. Due to internal GCC limitations, this is
- MOVE_MAX_PIECES limited by the number of bytes GCC can represent
- for an immediate constant. */
- #ifndef STORE_MAX_PIECES
- #define STORE_MAX_PIECES MIN (MOVE_MAX_PIECES, 2 * sizeof (HOST_WIDE_INT))
- #endif
- #ifndef MAX_MOVE_MAX
- #define MAX_MOVE_MAX MOVE_MAX
- #endif
- #ifndef MIN_UNITS_PER_WORD
- #define MIN_UNITS_PER_WORD UNITS_PER_WORD
- #endif
- #ifndef MAX_BITS_PER_WORD
- #define MAX_BITS_PER_WORD BITS_PER_WORD
- #endif
- #ifndef STACK_POINTER_OFFSET
- #define STACK_POINTER_OFFSET 0
- #endif
- #ifndef LOCAL_REGNO
- #define LOCAL_REGNO(REGNO) 0
- #endif
- #ifndef HONOR_REG_ALLOC_ORDER
- #define HONOR_REG_ALLOC_ORDER 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 LEGITIMATE_PIC_OPERAND_P
- #define LEGITIMATE_PIC_OPERAND_P(X) 1
- #endif
- #ifndef TARGET_MEM_CONSTRAINT
- #define TARGET_MEM_CONSTRAINT 'm'
- #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
- #ifndef FRAME_GROWS_DOWNWARD
- #define FRAME_GROWS_DOWNWARD 0
- #endif
- #ifndef RETURN_ADDR_IN_PREVIOUS_FRAME
- #define RETURN_ADDR_IN_PREVIOUS_FRAME 0
- #endif
- /* On most machines, the CFA coincides with the first incoming parm. */
- #ifndef ARG_POINTER_CFA_OFFSET
- #define ARG_POINTER_CFA_OFFSET(FNDECL) \
- (FIRST_PARM_OFFSET (FNDECL) + crtl->args.pretend_args_size)
- #endif
- /* On most machines, we use the CFA as DW_AT_frame_base. */
- #ifndef CFA_FRAME_BASE_OFFSET
- #define CFA_FRAME_BASE_OFFSET(FNDECL) 0
- #endif
- /* The offset from the incoming value of %sp to the top of the stack frame
- for the current function. */
- #ifndef INCOMING_FRAME_SP_OFFSET
- #define INCOMING_FRAME_SP_OFFSET 0
- #endif
- #ifndef HARD_REGNO_NREGS_HAS_PADDING
- #define HARD_REGNO_NREGS_HAS_PADDING(REGNO, MODE) 0
- #define HARD_REGNO_NREGS_WITH_PADDING(REGNO, MODE) -1
- #endif
- #ifndef OUTGOING_REG_PARM_STACK_SPACE
- #define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 0
- #endif
- /* MAX_STACK_ALIGNMENT is the maximum stack alignment guaranteed by
- the backend. MAX_SUPPORTED_STACK_ALIGNMENT is the maximum best
- effort stack alignment supported by the backend. If the backend
- supports stack alignment, MAX_SUPPORTED_STACK_ALIGNMENT and
- MAX_STACK_ALIGNMENT are the same. Otherwise, the incoming stack
- boundary will limit the maximum guaranteed stack alignment. */
- #ifdef MAX_STACK_ALIGNMENT
- #define MAX_SUPPORTED_STACK_ALIGNMENT MAX_STACK_ALIGNMENT
- #else
- #define MAX_STACK_ALIGNMENT STACK_BOUNDARY
- #define MAX_SUPPORTED_STACK_ALIGNMENT PREFERRED_STACK_BOUNDARY
- #endif
- #define SUPPORTS_STACK_ALIGNMENT (MAX_STACK_ALIGNMENT > STACK_BOUNDARY)
- #ifndef LOCAL_ALIGNMENT
- #define LOCAL_ALIGNMENT(TYPE, ALIGNMENT) ALIGNMENT
- #endif
- #ifndef STACK_SLOT_ALIGNMENT
- #define STACK_SLOT_ALIGNMENT(TYPE,MODE,ALIGN) \
- ((TYPE) ? LOCAL_ALIGNMENT ((TYPE), (ALIGN)) : (ALIGN))
- #endif
- #ifndef LOCAL_DECL_ALIGNMENT
- #define LOCAL_DECL_ALIGNMENT(DECL) \
- LOCAL_ALIGNMENT (TREE_TYPE (DECL), DECL_ALIGN (DECL))
- #endif
- #ifndef MINIMUM_ALIGNMENT
- #define MINIMUM_ALIGNMENT(EXP,MODE,ALIGN) (ALIGN)
- #endif
- /* Alignment value for attribute ((aligned)). */
- #ifndef ATTRIBUTE_ALIGNED_VALUE
- #define ATTRIBUTE_ALIGNED_VALUE BIGGEST_ALIGNMENT
- #endif
- #ifndef SLOW_UNALIGNED_ACCESS
- #define SLOW_UNALIGNED_ACCESS(MODE, ALIGN) STRICT_ALIGNMENT
- #endif
- /* For most ports anything that evaluates to a constant symbolic
- or integer value is acceptable as a constant address. */
- #ifndef CONSTANT_ADDRESS_P
- #define CONSTANT_ADDRESS_P(X) (CONSTANT_P (X) && GET_CODE (X) != CONST_DOUBLE)
- #endif
- #ifndef MAX_FIXED_MODE_SIZE
- #define MAX_FIXED_MODE_SIZE GET_MODE_BITSIZE (DImode)
- #endif
- /* Nonzero if structures and unions should be returned in memory.
- This should only be defined if compatibility with another compiler or
- with an ABI is needed, because it results in slower code. */
- #ifndef DEFAULT_PCC_STRUCT_RETURN
- #define DEFAULT_PCC_STRUCT_RETURN 1
- #endif
- #ifdef GCC_INSN_FLAGS_H
- /* Dependent default target macro definitions
- This section of defaults.h defines target macros that depend on generated
- headers. This is a bit awkward: We want to put all default definitions
- for target macros in defaults.h, but some of the defaults depend on the
- HAVE_* flags defines of insn-flags.h. But insn-flags.h is not always
- included by files that do include defaults.h.
- Fortunately, the default macro definitions that depend on the HAVE_*
- macros are also the ones that will only be used inside GCC itself, i.e.
- not in the gen* programs or in target objects like libgcc.
- Obviously, it would be best to keep this section of defaults.h as small
- as possible, by converting the macros defined below to target hooks or
- functions.
- */
- /* The default branch cost is 1. */
- #ifndef BRANCH_COST
- #define BRANCH_COST(speed_p, predictable_p) 1
- #endif
- /* If a memory-to-memory move would take MOVE_RATIO or more simple
- move-instruction sequences, we will do a movmem or libcall instead. */
- #ifndef MOVE_RATIO
- #if defined (HAVE_movmemqi) || defined (HAVE_movmemhi) || defined (HAVE_movmemsi) || defined (HAVE_movmemdi) || defined (HAVE_movmemti)
- #define MOVE_RATIO(speed) 2
- #else
- /* If we are optimizing for space (-Os), cut down the default move ratio. */
- #define MOVE_RATIO(speed) ((speed) ? 15 : 3)
- #endif
- #endif
- /* If a clear memory operation would take CLEAR_RATIO or more simple
- move-instruction sequences, we will do a setmem or libcall instead. */
- #ifndef CLEAR_RATIO
- #if defined (HAVE_setmemqi) || defined (HAVE_setmemhi) || defined (HAVE_setmemsi) || defined (HAVE_setmemdi) || defined (HAVE_setmemti)
- #define CLEAR_RATIO(speed) 2
- #else
- /* If we are optimizing for space, cut down the default clear ratio. */
- #define CLEAR_RATIO(speed) ((speed) ? 15 :3)
- #endif
- #endif
- /* If a memory set (to value other than zero) operation would take
- SET_RATIO or more simple move-instruction sequences, we will do a movmem
- or libcall instead. */
- #ifndef SET_RATIO
- #define SET_RATIO(speed) MOVE_RATIO (speed)
- #endif
- /* Supply a default definition for FUNCTION_ARG_PADDING:
- usually pad upward, but pad short args downward on
- big-endian machines. */
- #define DEFAULT_FUNCTION_ARG_PADDING(MODE, TYPE) \
- (! BYTES_BIG_ENDIAN \
- ? upward \
- : (((MODE) == BLKmode \
- ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \
- && int_size_in_bytes (TYPE) < (PARM_BOUNDARY / BITS_PER_UNIT)) \
- : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \
- ? downward : upward))
- #ifndef FUNCTION_ARG_PADDING
- #define FUNCTION_ARG_PADDING(MODE, TYPE) \
- DEFAULT_FUNCTION_ARG_PADDING ((MODE), (TYPE))
- #endif
- /* Supply a default definition of STACK_SAVEAREA_MODE for emit_stack_save.
- Normally move_insn, so Pmode stack pointer. */
- #ifndef STACK_SAVEAREA_MODE
- #define STACK_SAVEAREA_MODE(LEVEL) Pmode
- #endif
- /* Supply a default definition of STACK_SIZE_MODE for
- allocate_dynamic_stack_space. Normally PLUS/MINUS, so word_mode. */
- #ifndef STACK_SIZE_MODE
- #define STACK_SIZE_MODE word_mode
- #endif
- /* Provide default values for the macros controlling stack checking. */
- /* The default is neither full builtin stack checking... */
- #ifndef STACK_CHECK_BUILTIN
- #define STACK_CHECK_BUILTIN 0
- #endif
- /* ...nor static builtin stack checking. */
- #ifndef STACK_CHECK_STATIC_BUILTIN
- #define STACK_CHECK_STATIC_BUILTIN 0
- #endif
- /* The default interval is one page (4096 bytes). */
- #ifndef STACK_CHECK_PROBE_INTERVAL_EXP
- #define STACK_CHECK_PROBE_INTERVAL_EXP 12
- #endif
- /* The default is not to move the stack pointer. */
- #ifndef STACK_CHECK_MOVING_SP
- #define STACK_CHECK_MOVING_SP 0
- #endif
- /* This is a kludge to try to capture the discrepancy between the old
- mechanism (generic stack checking) and the new mechanism (static
- builtin stack checking). STACK_CHECK_PROTECT needs to be bumped
- for the latter because part of the protection area is effectively
- included in STACK_CHECK_MAX_FRAME_SIZE for the former. */
- #ifdef STACK_CHECK_PROTECT
- #define STACK_OLD_CHECK_PROTECT STACK_CHECK_PROTECT
- #else
- #define STACK_OLD_CHECK_PROTECT \
- (targetm_common.except_unwind_info (&global_options) == UI_SJLJ \
- ? 75 * UNITS_PER_WORD \
- : 8 * 1024)
- #endif
- /* Minimum amount of stack required to recover from an anticipated stack
- overflow detection. The default value conveys an estimate of the amount
- of stack required to propagate an exception. */
- #ifndef STACK_CHECK_PROTECT
- #define STACK_CHECK_PROTECT \
- (targetm_common.except_unwind_info (&global_options) == UI_SJLJ \
- ? 75 * UNITS_PER_WORD \
- : 12 * 1024)
- #endif
- /* Make the maximum frame size be the largest we can and still only need
- one probe per function. */
- #ifndef STACK_CHECK_MAX_FRAME_SIZE
- #define STACK_CHECK_MAX_FRAME_SIZE \
- ((1 << STACK_CHECK_PROBE_INTERVAL_EXP) - UNITS_PER_WORD)
- #endif
- /* This is arbitrary, but should be large enough everywhere. */
- #ifndef STACK_CHECK_FIXED_FRAME_SIZE
- #define STACK_CHECK_FIXED_FRAME_SIZE (4 * UNITS_PER_WORD)
- #endif
- /* Provide a reasonable default for the maximum size of an object to
- allocate in the fixed frame. We may need to be able to make this
- controllable by the user at some point. */
- #ifndef STACK_CHECK_MAX_VAR_SIZE
- #define STACK_CHECK_MAX_VAR_SIZE (STACK_CHECK_MAX_FRAME_SIZE / 100)
- #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
- 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
- #ifndef SWITCHABLE_TARGET
- #define SWITCHABLE_TARGET 0
- #endif
- /* If the target supports integers that are wider than two
- HOST_WIDE_INTs on the host compiler, then the target should define
- TARGET_SUPPORTS_WIDE_INT and make the appropriate fixups.
- Otherwise the compiler really is not robust. */
- #ifndef TARGET_SUPPORTS_WIDE_INT
- #define TARGET_SUPPORTS_WIDE_INT 0
- #endif
- #endif /* GCC_INSN_FLAGS_H */
- #endif /* ! GCC_DEFAULTS_H */
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