/* Definitions of various defaults for tm.h macros.
- Copyright (C) 1992-2015 Free Software Foundation, Inc.
+ Copyright (C) 1992-2024 Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com)
This file is part of GCC.
#ifndef ASM_OUTPUT_ASCII
#define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \
do { \
- FILE *_hide_asm_out_file = (MYFILE); \
+ FILE *_my_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 \""); \
+ fprintf (_my_file, "\t.ascii \""); \
\
for (i = 0; i < thissize; i++) \
{ \
int c = p[i]; \
if (c == '\"' || c == '\\') \
- putc ('\\', asm_out_file); \
+ putc ('\\', _my_file); \
if (ISPRINT (c)) \
- putc (c, asm_out_file); \
+ putc (c, _my_file); \
else \
{ \
- fprintf (asm_out_file, "\\%o", c); \
+ fprintf (_my_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 (_my_file, "\"\n\t.ascii \""); \
} \
} \
- fprintf (asm_out_file, "\"\n"); \
+ fprintf (_my_file, "\"\n"); \
} \
} \
while (0)
{ \
fprintf ((FILE), "\t%s\t", TLS_COMMON_ASM_OP); \
assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
+ fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
(SIZE), DECL_ALIGN (DECL) / BITS_PER_UNIT); \
} \
while (0)
do { \
fputs (user_label_prefix, (FILE)); \
fputs ((NAME), (FILE)); \
- } while (0);
+ } while (0)
#endif
/* Allow target to print debug info labels specially. This is useful for
#endif
#endif
+/* This determines whether or not we support marking sections with
+ SHF_GNU_RETAIN flag. Also require .init_array/.fini_array section
+ for constructors and destructors. */
+#ifndef SUPPORTS_SHF_GNU_RETAIN
+#if HAVE_GAS_SHF_GNU_RETAIN && HAVE_INITFINI_ARRAY_SUPPORT
+#define SUPPORTS_SHF_GNU_RETAIN 1
+#else
+#define SUPPORTS_SHF_GNU_RETAIN 0
+#endif
+#endif
+
/* This determines whether or not we support link-once semantics. */
#ifndef SUPPORTS_ONE_ONLY
#ifdef MAKE_DECL_ONE_ONLY
/* 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)
+ && !defined (EH_FRAME_THROUGH_COLLECT2)
#ifndef EH_FRAME_SECTION_NAME
#define EH_FRAME_SECTION_NAME ".eh_frame"
#endif
#define MASK_RETURN_ADDR NULL_RTX
#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 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 */
#endif
#endif
-/* How to renumber registers for dbx and gdb. If not defined, assume
+/* How to renumber registers for gdb. If not defined, assume
no renumbering is necessary. */
-#ifndef DBX_REGISTER_NUMBER
-#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
+#ifndef DEBUGGER_REGNO
+#define DEBUGGER_REGNO(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)
+#define DWARF_FRAME_REGNUM(REG) DEBUGGER_REGNO (REG)
#endif
/* The mapping from dwarf CFA reg number to internal dwarf reg numbers. */
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
affect C++ name mangling because in C++ these are distinct types
not typedefs. */
+#ifndef CHAR8_TYPE
+#define CHAR8_TYPE "unsigned char"
+#endif
+
#ifdef UINT_LEAST16_TYPE
#define CHAR16_TYPE UINT_LEAST16_TYPE
#else
#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.
#ifndef PUSH_ARGS_REVERSED
#if defined (STACK_GROWS_DOWNWARD) != defined (ARGS_GROW_DOWNWARD)
-#define PUSH_ARGS_REVERSED PUSH_ARGS
+#define PUSH_ARGS_REVERSED targetm.calls.push_argument (0)
#endif
#endif
#endif
#endif
+/* Decide whether target supports aliases. */
+#ifndef TARGET_SUPPORTS_ALIASES
+#ifdef ASM_OUTPUT_DEF
+#define TARGET_SUPPORTS_ALIASES 1
+#else
+#define TARGET_SUPPORTS_ALIASES 0
+#endif
+#endif
+
+/* Indicate whether the target uses "target" attributes for function
+ multiversioning. This is used to choose between the "target" and
+ "target_version" attributes when expanding a "target_clones" attribute, and
+ determine whether the "target" and "target_clones" attributes are mutually
+ exclusive. */
+#ifndef TARGET_HAS_FMV_TARGET_ATTRIBUTE
+#define TARGET_HAS_FMV_TARGET_ATTRIBUTE 1
+#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. */
#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))
+/* Default to DWARF2_DEBUGGING_INFO. Legacy targets can choose different
+ by defining PREFERRED_DEBUGGING_TYPE. */
#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
+#if defined DWARF2_DEBUGGING_INFO || defined DWARF2_LINENO_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
+#error You must define PREFERRED_DEBUGGING_TYPE if DWARF is not supported
+#endif
#endif
#ifndef FLOAT_LIB_COMPARE_RETURNS_BOOL
#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
#define STORE_MAX_PIECES MIN (MOVE_MAX_PIECES, 2 * sizeof (HOST_WIDE_INT))
#endif
+/* Likewise for block comparisons. */
+#ifndef COMPARE_MAX_PIECES
+#define COMPARE_MAX_PIECES MOVE_MAX_PIECES
+#endif
+
#ifndef MAX_MOVE_MAX
#define MAX_MOVE_MAX MOVE_MAX
#endif
#define CASE_VECTOR_PC_RELATIVE 0
#endif
+/* Force minimum alignment to be able to use the least significant bits
+ for distinguishing descriptor addresses from code addresses. */
+#define FUNCTION_ALIGNMENT(ALIGN) \
+ (lang_hooks.custom_function_descriptors \
+ && targetm.calls.custom_function_descriptors > 0 \
+ ? MAX ((ALIGN), \
+ 2 * targetm.calls.custom_function_descriptors * BITS_PER_UNIT)\
+ : (ALIGN))
+
/* Assume that trampolines need function alignment. */
#ifndef TRAMPOLINE_ALIGNMENT
-#define TRAMPOLINE_ALIGNMENT FUNCTION_BOUNDARY
+#define TRAMPOLINE_ALIGNMENT FUNCTION_ALIGNMENT (FUNCTION_BOUNDARY)
#endif
/* Register mappings for target machines without register windows. */
#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 DEFAULT_PCC_STRUCT_RETURN 1
#endif
+#ifndef PCC_BITFIELD_TYPE_MATTERS
+#define PCC_BITFIELD_TYPE_MATTERS false
+#endif
+
#ifndef INSN_SETS_ARE_DELAYED
#define INSN_SETS_ARE_DELAYED(INSN) false
#endif
#define NO_FUNCTION_CSE false
#endif
+#ifndef HARD_REGNO_RENAME_OK
+#define HARD_REGNO_RENAME_OK(FROM, TO) true
+#endif
+
+#ifndef EPILOGUE_USES
+#define EPILOGUE_USES(REG) false
+#endif
+
+#ifndef ARGS_GROW_DOWNWARD
+#define ARGS_GROW_DOWNWARD 0
+#endif
+
+#ifndef STACK_GROWS_DOWNWARD
+#define STACK_GROWS_DOWNWARD 0
+#endif
+
+#ifndef STACK_PUSH_CODE
+#if STACK_GROWS_DOWNWARD
+#define STACK_PUSH_CODE PRE_DEC
+#else
+#define STACK_PUSH_CODE PRE_INC
+#endif
+#endif
+
+/* Default value for flag_pie when flag_pie is initialized to -1:
+ --enable-default-pie: Default flag_pie to -fPIE.
+ --disable-default-pie: Default flag_pie to 0.
+ */
+#ifdef ENABLE_DEFAULT_PIE
+# ifndef DEFAULT_FLAG_PIE
+# define DEFAULT_FLAG_PIE 2
+# endif
+#else
+# define DEFAULT_FLAG_PIE 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
+
+#ifndef SHORT_IMMEDIATES_SIGN_EXTEND
+#define SHORT_IMMEDIATES_SIGN_EXTEND 0
+#endif
+
+#ifndef WORD_REGISTER_OPERATIONS
+#define WORD_REGISTER_OPERATIONS 0
+#endif
+
+#ifndef LOAD_EXTEND_OP
+#define LOAD_EXTEND_OP(M) UNKNOWN
+#endif
+
+#ifndef INITIAL_FRAME_ADDRESS_RTX
+#define INITIAL_FRAME_ADDRESS_RTX NULL
+#endif
+
+#ifndef SETUP_FRAME_ADDRESSES
+#define SETUP_FRAME_ADDRESSES() do { } while (0)
+#endif
+
+#ifndef DYNAMIC_CHAIN_ADDRESS
+#define DYNAMIC_CHAIN_ADDRESS(x) (x)
+#endif
+
+#ifndef FRAME_ADDR_RTX
+#define FRAME_ADDR_RTX(x) (x)
+#endif
+
+#ifndef REVERSE_CONDITION
+#define REVERSE_CONDITION(code, mode) reverse_condition (code)
+#endif
+
+#ifndef TARGET_PECOFF
+#define TARGET_PECOFF 0
+#endif
+
+#ifndef TARGET_COFF
+#define TARGET_COFF 0
+#endif
+
+#ifndef EH_RETURN_HANDLER_RTX
+#define EH_RETURN_HANDLER_RTX NULL
+#endif
+
#ifdef GCC_INSN_FLAGS_H
/* Dependent default target macro definitions
#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. */
+ move-instruction sequences, we will do a cpymem or libcall instead. */
#ifndef MOVE_RATIO
-#if defined (HAVE_movmemqi) || defined (HAVE_movmemhi) || defined (HAVE_movmemsi) || defined (HAVE_movmemdi) || defined (HAVE_movmemti)
+#if defined (HAVE_cpymemqi) || defined (HAVE_cpymemhi) || defined (HAVE_cpymemsi) || defined (HAVE_cpymemdi) || defined (HAVE_cpymemti)
#define MOVE_RATIO(speed) 2
#else
/* If we are optimizing for space (-Os), cut down the default move ratio. */
#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
+ SET_RATIO or more simple move-instruction sequences, we will do a setmem
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. */
#define STACK_SIZE_MODE word_mode
#endif
+/* Default value for flag_stack_protect when flag_stack_protect is initialized to -1:
+ --enable-default-ssp: Default flag_stack_protect to -fstack-protector-strong.
+ --disable-default-ssp: Default flag_stack_protect to 0.
+ */
+#ifdef ENABLE_DEFAULT_SSP
+# ifndef DEFAULT_FLAG_SSP
+# define DEFAULT_FLAG_SSP 3
+# endif
+#else
+# define DEFAULT_FLAG_SSP 0
+#endif
+
/* Provide default values for the macros controlling stack checking. */
/* The default is neither full builtin stack checking... */
#define STACK_OLD_CHECK_PROTECT STACK_CHECK_PROTECT
#else
#define STACK_OLD_CHECK_PROTECT \
- (targetm_common.except_unwind_info (&global_options) == UI_SJLJ \
+ (!global_options.x_flag_exceptions \
? 75 * UNITS_PER_WORD \
- : 8 * 1024)
+ : targetm_common.except_unwind_info (&global_options) == UI_SJLJ \
+ ? 4 * 1024 \
+ : 8 * 1024)
#endif
/* Minimum amount of stack required to recover from an anticipated stack
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)
+ (!global_options.x_flag_exceptions \
+ ? 4 * 1024 \
+ : targetm_common.except_unwind_info (&global_options) == UI_SJLJ \
+ ? 8 * 1024 \
+ : 12 * 1024)
#endif
/* Make the maximum frame size be the largest we can and still only need
#define TARGET_VTABLE_USES_DESCRIPTORS 0
#endif
-#ifndef SWITCHABLE_TARGET
-#define SWITCHABLE_TARGET 0
+#endif /* GCC_INSN_FLAGS_H */
+
+#ifndef DWARF_GNAT_ENCODINGS_DEFAULT
+#define DWARF_GNAT_ENCODINGS_DEFAULT DWARF_GNAT_ENCODINGS_GDB
#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
+/* When generating dwarf info, the default standard version we'll honor
+ and advertise in absence of -gdwarf-<N> on the command line. */
+#ifndef DWARF_VERSION_DEFAULT
+#define DWARF_VERSION_DEFAULT 5
#endif
-#endif /* GCC_INSN_FLAGS_H */
+#ifndef USED_FOR_TARGET
+/* Done this way to keep gengtype happy. */
+#if BITS_PER_UNIT == 8
+#define TARGET_UNIT uint8_t
+#elif BITS_PER_UNIT == 16
+#define TARGET_UNIT uint16_t
+#elif BITS_PER_UNIT == 32
+#define TARGET_UNIT uint32_t
+#else
+#error Unknown BITS_PER_UNIT
+#endif
+typedef TARGET_UNIT target_unit;
+#endif
#endif /* ! GCC_DEFAULTS_H */
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