/* Definitions of various defaults for tm.h macros.
- Copyright (C) 1992-2015 Free Software Foundation, Inc.
+ Copyright (C) 1992-2019 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
/* 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 */
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
#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. */
/* 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) \
+#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 defined SDB_DEBUGGING_INFO
-#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
-
-#elif defined DWARF2_DEBUGGING_INFO
+#elif defined DWARF2_DEBUGGING_INFO || defined DWARF2_LINENO_DEBUGGING_INFO
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
#elif defined VMS_DEBUGGING_INFO
#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 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
#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
#endif /* GCC_INSN_FLAGS_H */
+#ifndef DWARF_GNAT_ENCODINGS_DEFAULT
+#define DWARF_GNAT_ENCODINGS_DEFAULT DWARF_GNAT_ENCODINGS_GDB
+#endif
+
#endif /* ! GCC_DEFAULTS_H */
projects / thirdparty / gcc.git / blobdiff