/* Definitions of various defaults for tm.h macros.
- Copyright (C) 1992-2016 Free Software Foundation, Inc.
+ Copyright (C) 1992-2021 Free Software Foundation, Inc.
Contributed by Ron Guilmette (rfg@monkeys.com)
This file is part of GCC.
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
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
+
/* 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
-#ifndef SDB_DEBUGGING_INFO
-#define SDB_DEBUGGING_INFO 0
-#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) + (SDB_DEBUGGING_INFO) \
+#if 1 < (defined (DBX_DEBUGGING_INFO) \
+ defined (DWARF2_DEBUGGING_INFO) + defined (XCOFF_DEBUGGING_INFO) \
+ defined (VMS_DEBUGGING_INFO))
#ifndef PREFERRED_DEBUGGING_TYPE
#elif defined DBX_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
-#elif SDB_DEBUGGING_INFO
-#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
-
#elif defined DWARF2_DEBUGGING_INFO || defined DWARF2_LINENO_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
#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 LOAD_EXTEND_OP(M) UNKNOWN
#endif
-#ifndef CONSTANT_ALIGNMENT
-#define CONSTANT_ALIGNMENT(EXP, ALIGN) ALIGN
-#endif
-
#ifndef INITIAL_FRAME_ADDRESS_RTX
#define INITIAL_FRAME_ADDRESS_RTX NULL
#endif
#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
#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 DWARF_GNAT_ENCODINGS_DEFAULT DWARF_GNAT_ENCODINGS_GDB
#endif
+#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 */