1477 lines
42 KiB
C
1477 lines
42 KiB
C
/* Definitions of various defaults for tm.h macros.
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Copyright (C) 1992-2020 Free Software Foundation, Inc.
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Contributed by Ron Guilmette (rfg@monkeys.com)
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef GCC_DEFAULTS_H
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#define GCC_DEFAULTS_H
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/* How to start an assembler comment. */
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#ifndef ASM_COMMENT_START
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#define ASM_COMMENT_START ";#"
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#endif
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/* Store in OUTPUT a string (made with alloca) containing an
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assembler-name for a local static variable or function named NAME.
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LABELNO is an integer which is different for each call. */
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#ifndef ASM_PN_FORMAT
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# ifndef NO_DOT_IN_LABEL
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# define ASM_PN_FORMAT "%s.%lu"
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# else
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# ifndef NO_DOLLAR_IN_LABEL
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# define ASM_PN_FORMAT "%s$%lu"
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# else
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# define ASM_PN_FORMAT "__%s_%lu"
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# endif
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# endif
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#endif /* ! ASM_PN_FORMAT */
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#ifndef ASM_FORMAT_PRIVATE_NAME
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# define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
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do { const char *const name_ = (NAME); \
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char *const output_ = (OUTPUT) = \
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(char *) alloca (strlen (name_) + 32); \
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sprintf (output_, ASM_PN_FORMAT, name_, (unsigned long)(LABELNO)); \
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} while (0)
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#endif
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/* Choose a reasonable default for ASM_OUTPUT_ASCII. */
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#ifndef ASM_OUTPUT_ASCII
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#define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \
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do { \
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FILE *_hide_asm_out_file = (MYFILE); \
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const unsigned char *_hide_p = (const unsigned char *) (MYSTRING); \
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int _hide_thissize = (MYLENGTH); \
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{ \
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FILE *asm_out_file = _hide_asm_out_file; \
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const unsigned char *p = _hide_p; \
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int thissize = _hide_thissize; \
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int i; \
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fprintf (asm_out_file, "\t.ascii \""); \
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\
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for (i = 0; i < thissize; i++) \
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{ \
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int c = p[i]; \
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if (c == '\"' || c == '\\') \
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putc ('\\', asm_out_file); \
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if (ISPRINT (c)) \
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putc (c, asm_out_file); \
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else \
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{ \
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fprintf (asm_out_file, "\\%o", c); \
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/* After an octal-escape, if a digit follows, \
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terminate one string constant and start another. \
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The VAX assembler fails to stop reading the escape \
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after three digits, so this is the only way we \
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can get it to parse the data properly. */ \
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if (i < thissize - 1 && ISDIGIT (p[i + 1])) \
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fprintf (asm_out_file, "\"\n\t.ascii \""); \
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} \
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} \
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fprintf (asm_out_file, "\"\n"); \
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} \
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} \
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while (0)
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#endif
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/* This is how we tell the assembler to equate two values. */
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#ifdef SET_ASM_OP
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#ifndef ASM_OUTPUT_DEF
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#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \
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do { fprintf ((FILE), "%s", SET_ASM_OP); \
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assemble_name (FILE, LABEL1); \
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fprintf (FILE, ","); \
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assemble_name (FILE, LABEL2); \
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fprintf (FILE, "\n"); \
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} while (0)
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#endif
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#endif
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#ifndef IFUNC_ASM_TYPE
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#define IFUNC_ASM_TYPE "gnu_indirect_function"
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#endif
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#ifndef TLS_COMMON_ASM_OP
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#define TLS_COMMON_ASM_OP ".tls_common"
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#endif
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#if defined (HAVE_AS_TLS) && !defined (ASM_OUTPUT_TLS_COMMON)
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#define ASM_OUTPUT_TLS_COMMON(FILE, DECL, NAME, SIZE) \
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do \
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{ \
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fprintf ((FILE), "\t%s\t", TLS_COMMON_ASM_OP); \
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assemble_name ((FILE), (NAME)); \
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fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
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(SIZE), DECL_ALIGN (DECL) / BITS_PER_UNIT); \
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} \
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while (0)
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#endif
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/* Decide whether to defer emitting the assembler output for an equate
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of two values. The default is to not defer output. */
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#ifndef TARGET_DEFERRED_OUTPUT_DEFS
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#define TARGET_DEFERRED_OUTPUT_DEFS(DECL,TARGET) false
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#endif
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/* This is how to output the definition of a user-level label named
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NAME, such as the label on variable NAME. */
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#ifndef ASM_OUTPUT_LABEL
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#define ASM_OUTPUT_LABEL(FILE,NAME) \
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do { \
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assemble_name ((FILE), (NAME)); \
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fputs (":\n", (FILE)); \
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} while (0)
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#endif
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/* This is how to output the definition of a user-level label named
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NAME, such as the label on a function. */
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#ifndef ASM_OUTPUT_FUNCTION_LABEL
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#define ASM_OUTPUT_FUNCTION_LABEL(FILE, NAME, DECL) \
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ASM_OUTPUT_LABEL ((FILE), (NAME))
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#endif
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/* Output the definition of a compiler-generated label named NAME. */
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#ifndef ASM_OUTPUT_INTERNAL_LABEL
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#define ASM_OUTPUT_INTERNAL_LABEL(FILE,NAME) \
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do { \
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assemble_name_raw ((FILE), (NAME)); \
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fputs (":\n", (FILE)); \
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} while (0)
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#endif
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/* This is how to output a reference to a user-level label named NAME. */
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#ifndef ASM_OUTPUT_LABELREF
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#define ASM_OUTPUT_LABELREF(FILE,NAME) \
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do { \
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fputs (user_label_prefix, (FILE)); \
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fputs ((NAME), (FILE)); \
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} while (0)
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#endif
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/* Allow target to print debug info labels specially. This is useful for
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VLIW targets, since debug info labels should go into the middle of
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instruction bundles instead of breaking them. */
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#ifndef ASM_OUTPUT_DEBUG_LABEL
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#define ASM_OUTPUT_DEBUG_LABEL(FILE, PREFIX, NUM) \
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(*targetm.asm_out.internal_label) (FILE, PREFIX, NUM)
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#endif
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/* This is how we tell the assembler that a symbol is weak. */
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#ifndef ASM_OUTPUT_WEAK_ALIAS
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#if defined (ASM_WEAKEN_LABEL) && defined (ASM_OUTPUT_DEF)
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#define ASM_OUTPUT_WEAK_ALIAS(STREAM, NAME, VALUE) \
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do \
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{ \
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ASM_WEAKEN_LABEL (STREAM, NAME); \
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if (VALUE) \
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ASM_OUTPUT_DEF (STREAM, NAME, VALUE); \
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} \
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while (0)
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#endif
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#endif
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/* This is how we tell the assembler that a symbol is a weak alias to
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another symbol that doesn't require the other symbol to be defined.
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Uses of the former will turn into weak uses of the latter, i.e.,
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uses that, in case the latter is undefined, will not cause errors,
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and will add it to the symbol table as weak undefined. However, if
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the latter is referenced directly, a strong reference prevails. */
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#ifndef ASM_OUTPUT_WEAKREF
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#if defined HAVE_GAS_WEAKREF
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#define ASM_OUTPUT_WEAKREF(FILE, DECL, NAME, VALUE) \
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do \
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{ \
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fprintf ((FILE), "\t.weakref\t"); \
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assemble_name ((FILE), (NAME)); \
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fprintf ((FILE), ","); \
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assemble_name ((FILE), (VALUE)); \
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fprintf ((FILE), "\n"); \
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} \
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while (0)
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#endif
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#endif
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/* How to emit a .type directive. */
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#ifndef ASM_OUTPUT_TYPE_DIRECTIVE
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#if defined TYPE_ASM_OP && defined TYPE_OPERAND_FMT
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#define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE) \
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do \
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{ \
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fputs (TYPE_ASM_OP, STREAM); \
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assemble_name (STREAM, NAME); \
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fputs (", ", STREAM); \
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fprintf (STREAM, TYPE_OPERAND_FMT, TYPE); \
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putc ('\n', STREAM); \
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} \
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while (0)
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#endif
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#endif
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/* How to emit a .size directive. */
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#ifndef ASM_OUTPUT_SIZE_DIRECTIVE
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#ifdef SIZE_ASM_OP
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#define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE) \
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do \
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{ \
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HOST_WIDE_INT size_ = (SIZE); \
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fputs (SIZE_ASM_OP, STREAM); \
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assemble_name (STREAM, NAME); \
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fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \
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} \
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while (0)
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#define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME) \
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do \
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{ \
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fputs (SIZE_ASM_OP, STREAM); \
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assemble_name (STREAM, NAME); \
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fputs (", .-", STREAM); \
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assemble_name (STREAM, NAME); \
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putc ('\n', STREAM); \
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} \
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while (0)
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#endif
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#endif
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/* This determines whether or not we support weak symbols. SUPPORTS_WEAK
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must be a preprocessor constant. */
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#ifndef SUPPORTS_WEAK
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#if defined (ASM_WEAKEN_LABEL) || defined (ASM_WEAKEN_DECL)
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#define SUPPORTS_WEAK 1
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#else
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#define SUPPORTS_WEAK 0
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#endif
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#endif
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/* This determines whether or not we support weak symbols during target
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code generation. TARGET_SUPPORTS_WEAK can be any valid C expression. */
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#ifndef TARGET_SUPPORTS_WEAK
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#define TARGET_SUPPORTS_WEAK (SUPPORTS_WEAK)
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#endif
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/* This determines whether or not we support the discriminator
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attribute in the .loc directive. */
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#ifndef SUPPORTS_DISCRIMINATOR
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#ifdef HAVE_GAS_DISCRIMINATOR
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#define SUPPORTS_DISCRIMINATOR 1
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#else
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#define SUPPORTS_DISCRIMINATOR 0
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#endif
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#endif
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/* This determines whether or not we support link-once semantics. */
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#ifndef SUPPORTS_ONE_ONLY
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#ifdef MAKE_DECL_ONE_ONLY
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#define SUPPORTS_ONE_ONLY 1
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#else
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#define SUPPORTS_ONE_ONLY 0
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#endif
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#endif
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/* This determines whether weak symbols must be left out of a static
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archive's table of contents. Defining this macro to be nonzero has
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the consequence that certain symbols will not be made weak that
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otherwise would be. The C++ ABI requires this macro to be zero;
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see the documentation. */
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#ifndef TARGET_WEAK_NOT_IN_ARCHIVE_TOC
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#define TARGET_WEAK_NOT_IN_ARCHIVE_TOC 0
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#endif
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/* This determines whether or not we need linkonce unwind information. */
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#ifndef TARGET_USES_WEAK_UNWIND_INFO
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#define TARGET_USES_WEAK_UNWIND_INFO 0
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#endif
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/* By default, there is no prefix on user-defined symbols. */
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#ifndef USER_LABEL_PREFIX
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#define USER_LABEL_PREFIX ""
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#endif
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/* If the target supports weak symbols, define TARGET_ATTRIBUTE_WEAK to
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provide a weak attribute. Else define it to nothing.
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This would normally belong in ansidecl.h, but SUPPORTS_WEAK is
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not available at that time.
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Note, this is only for use by target files which we know are to be
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compiled by GCC. */
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#ifndef TARGET_ATTRIBUTE_WEAK
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# if SUPPORTS_WEAK
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# define TARGET_ATTRIBUTE_WEAK __attribute__ ((weak))
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# else
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# define TARGET_ATTRIBUTE_WEAK
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# endif
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#endif
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/* By default we can assume that all global symbols are in one namespace,
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across all shared libraries. */
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#ifndef MULTIPLE_SYMBOL_SPACES
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# define MULTIPLE_SYMBOL_SPACES 0
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#endif
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/* If the target supports init_priority C++ attribute, give
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SUPPORTS_INIT_PRIORITY a nonzero value. */
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#ifndef SUPPORTS_INIT_PRIORITY
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#define SUPPORTS_INIT_PRIORITY 1
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#endif /* SUPPORTS_INIT_PRIORITY */
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/* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that
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the rest of the DWARF 2 frame unwind support is also provided. */
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#if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX)
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#define DWARF2_UNWIND_INFO 1
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#endif
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/* If we have named sections, and we're using crtstuff to run ctors,
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use them for registering eh frame information. */
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#if defined (TARGET_ASM_NAMED_SECTION) && DWARF2_UNWIND_INFO \
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&& !defined (EH_FRAME_THROUGH_COLLECT2)
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#ifndef EH_FRAME_SECTION_NAME
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#define EH_FRAME_SECTION_NAME ".eh_frame"
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#endif
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#endif
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/* On many systems, different EH table encodings are used under
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difference circumstances. Some will require runtime relocations;
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some will not. For those that do not require runtime relocations,
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we would like to make the table read-only. However, since the
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read-only tables may need to be combined with read-write tables
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that do require runtime relocation, it is not safe to make the
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tables read-only unless the linker will merge read-only and
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read-write sections into a single read-write section. If your
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linker does not have this ability, but your system is such that no
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encoding used with non-PIC code will ever require a runtime
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relocation, then you can define EH_TABLES_CAN_BE_READ_ONLY to 1 in
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your target configuration file. */
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#ifndef EH_TABLES_CAN_BE_READ_ONLY
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#ifdef HAVE_LD_RO_RW_SECTION_MIXING
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#define EH_TABLES_CAN_BE_READ_ONLY 1
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#else
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#define EH_TABLES_CAN_BE_READ_ONLY 0
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#endif
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#endif
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/* Provide defaults for stuff that may not be defined when using
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sjlj exceptions. */
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#ifndef EH_RETURN_DATA_REGNO
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#define EH_RETURN_DATA_REGNO(N) INVALID_REGNUM
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#endif
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/* Offset between the eh handler address and entry in eh tables. */
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#ifndef RETURN_ADDR_OFFSET
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#define RETURN_ADDR_OFFSET 0
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#endif
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#ifndef MASK_RETURN_ADDR
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#define MASK_RETURN_ADDR NULL_RTX
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#endif
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/* Number of hardware registers that go into the DWARF-2 unwind info.
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If not defined, equals FIRST_PSEUDO_REGISTER */
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#ifndef DWARF_FRAME_REGISTERS
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#define DWARF_FRAME_REGISTERS FIRST_PSEUDO_REGISTER
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#endif
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/* Offsets recorded in opcodes are a multiple of this alignment factor. */
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#ifndef DWARF_CIE_DATA_ALIGNMENT
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#ifdef STACK_GROWS_DOWNWARD
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#define DWARF_CIE_DATA_ALIGNMENT (-((int) UNITS_PER_WORD))
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#else
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#define DWARF_CIE_DATA_ALIGNMENT ((int) UNITS_PER_WORD)
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#endif
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#endif
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/* The DWARF 2 CFA column which tracks the return address. Normally this
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is the column for PC, or the first column after all of the hard
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registers. */
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#ifndef DWARF_FRAME_RETURN_COLUMN
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#ifdef PC_REGNUM
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#define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGNUM (PC_REGNUM)
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#else
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#define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGISTERS
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#endif
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#endif
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/* How to renumber registers for dbx and gdb. If not defined, assume
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no renumbering is necessary. */
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#ifndef DBX_REGISTER_NUMBER
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#define DBX_REGISTER_NUMBER(REGNO) (REGNO)
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#endif
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/* The mapping from gcc register number to DWARF 2 CFA column number.
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By default, we just provide columns for all registers. */
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#ifndef DWARF_FRAME_REGNUM
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#define DWARF_FRAME_REGNUM(REG) DBX_REGISTER_NUMBER (REG)
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#endif
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/* The mapping from dwarf CFA reg number to internal dwarf reg numbers. */
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#ifndef DWARF_REG_TO_UNWIND_COLUMN
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#define DWARF_REG_TO_UNWIND_COLUMN(REGNO) (REGNO)
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#endif
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/* Map register numbers held in the call frame info that gcc has
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collected using DWARF_FRAME_REGNUM to those that should be output in
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.debug_frame and .eh_frame. */
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#ifndef DWARF2_FRAME_REG_OUT
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#define DWARF2_FRAME_REG_OUT(REGNO, FOR_EH) (REGNO)
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#endif
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/* The size of addresses as they appear in the Dwarf 2 data.
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Some architectures use word addresses to refer to code locations,
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but Dwarf 2 info always uses byte addresses. On such machines,
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Dwarf 2 addresses need to be larger than the architecture's
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pointers. */
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#ifndef DWARF2_ADDR_SIZE
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#define DWARF2_ADDR_SIZE ((POINTER_SIZE + BITS_PER_UNIT - 1) / BITS_PER_UNIT)
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#endif
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/* The size in bytes of a DWARF field indicating an offset or length
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relative to a debug info section, specified to be 4 bytes in the
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DWARF-2 specification. The SGI/MIPS ABI defines it to be the same
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as PTR_SIZE. */
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#ifndef DWARF_OFFSET_SIZE
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#define DWARF_OFFSET_SIZE 4
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#endif
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/* The size in bytes of a DWARF 4 type signature. */
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|
#ifndef DWARF_TYPE_SIGNATURE_SIZE
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#define DWARF_TYPE_SIGNATURE_SIZE 8
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#endif
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/* Default sizes for base C types. If the sizes are different for
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your target, you should override these values by defining the
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appropriate symbols in your tm.h file. */
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#ifndef BITS_PER_WORD
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#define BITS_PER_WORD (BITS_PER_UNIT * UNITS_PER_WORD)
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#endif
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#ifndef CHAR_TYPE_SIZE
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#define CHAR_TYPE_SIZE BITS_PER_UNIT
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#endif
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#ifndef BOOL_TYPE_SIZE
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|
/* `bool' has size and alignment `1', on almost all platforms. */
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|
#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. */
|
|
|
|
#ifndef CHAR8_TYPE
|
|
#define CHAR8_TYPE "unsigned char"
|
|
#endif
|
|
|
|
#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
|
|
|
|
/* 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. */
|
|
#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 (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 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
|
|
#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
|
|
|
|
|
|
#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
|
|
|
|
/* 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
|
|
|
|
#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
|
|
|
|
/* 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_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
|
|
|
|
/* 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
|
|
|
|
#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
|
|
|
|
#ifndef INSN_REFERENCES_ARE_DELAYED
|
|
#define INSN_REFERENCES_ARE_DELAYED(INSN) false
|
|
#endif
|
|
|
|
#ifndef NO_FUNCTION_CSE
|
|
#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
|
|
|
|
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 cpymem or libcall instead. */
|
|
|
|
#ifndef MOVE_RATIO
|
|
#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. */
|
|
#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 setmem
|
|
or libcall instead. */
|
|
#ifndef SET_RATIO
|
|
#define SET_RATIO(speed) MOVE_RATIO (speed)
|
|
#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
|
|
|
|
/* 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... */
|
|
#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 \
|
|
(!global_options.x_flag_exceptions \
|
|
? 75 * UNITS_PER_WORD \
|
|
: 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
|
|
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 \
|
|
(!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
|
|
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
|
|
|
|
#endif /* GCC_INSN_FLAGS_H */
|
|
|
|
#ifndef DWARF_GNAT_ENCODINGS_DEFAULT
|
|
#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 */
|