/* Get common system includes and various definitions and declarations based
on autoconf macros.
- Copyright (C) 1998-2016 Free Software Foundation, Inc.
+ Copyright (C) 1998-2021 Free Software Foundation, Inc.
This file is part of GCC.
#ifdef INCLUDE_VECTOR
# include <vector>
#endif
+#ifdef INCLUDE_ARRAY
+# include <array>
+#endif
+#ifdef INCLUDE_FUNCTIONAL
+# include <functional>
+#endif
# include <cstring>
# include <new>
# include <utility>
+# include <type_traits>
#endif
/* Some of glibc's string inlines cause warnings. Plus we'd rather
/* 1 if we have C99 designated initializers. */
#if !defined(HAVE_DESIGNATED_INITIALIZERS)
+#ifdef __cplusplus
+#define HAVE_DESIGNATED_INITIALIZERS 0
+#else
#define HAVE_DESIGNATED_INITIALIZERS \
- (((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)) \
- && !defined(__cplusplus))
+ ((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L))
+#endif
#endif
#if !defined(HAVE_DESIGNATED_UNION_INITIALIZERS)
+#ifdef __cplusplus
+#define HAVE_DESIGNATED_UNION_INITIALIZERS (GCC_VERSION >= 4007)
+#else
#define HAVE_DESIGNATED_UNION_INITIALIZERS \
- (((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)) \
- && (!defined(__cplusplus) || (GCC_VERSION >= 4007)))
+ ((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L))
+#endif
#endif
#if HAVE_SYS_STAT_H
#define __builtin_expect(a, b) (a)
#endif
+/* Some of the headers included by <memory> can use "abort" within a
+ namespace, e.g. "_VSTD::abort();", which fails after we use the
+ preprocessor to redefine "abort" as "fancy_abort" below.
+ Given that unique-ptr.h can use "free", we need to do this after "free"
+ is declared but before "abort" is overridden. */
+
+#ifdef INCLUDE_UNIQUE_PTR
+# include "unique-ptr.h"
+#endif
+
+#ifdef INCLUDE_MALLOC_H
+#if defined(HAVE_MALLINFO) || defined(HAVE_MALLINFO2)
+#include <malloc.h>
+#endif
+#endif
+
+#ifdef INCLUDE_ISL
+#ifdef HAVE_isl
+#include <isl/options.h>
+#include <isl/ctx.h>
+#include <isl/val.h>
+#include <isl/set.h>
+#include <isl/union_set.h>
+#include <isl/map.h>
+#include <isl/union_map.h>
+#include <isl/aff.h>
+#include <isl/constraint.h>
+#include <isl/flow.h>
+#include <isl/ilp.h>
+#include <isl/schedule.h>
+#include <isl/ast_build.h>
+#include <isl/schedule_node.h>
+#include <isl/id.h>
+#include <isl/space.h>
+#endif
+#endif
+
/* Redefine abort to report an internal error w/o coredump, and
reporting the location of the error in the source file. */
-extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN;
+extern void fancy_abort (const char *, int, const char *)
+ ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
#define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__)
/* Use gcc_assert(EXPR) to test invariants. */
#define gcc_checking_assert(EXPR) ((void)(0 && (EXPR)))
#endif
+#if GCC_VERSION >= 4000
+#define ALWAYS_INLINE inline __attribute__ ((always_inline))
+#else
+#define ALWAYS_INLINE inline
+#endif
+
+#if GCC_VERSION >= 3004
+#define WARN_UNUSED_RESULT __attribute__ ((__warn_unused_result__))
+#else
+#define WARN_UNUSED_RESULT
+#endif
+
/* Use gcc_unreachable() to mark unreachable locations (like an
unreachable default case of a switch. Do not use gcc_assert(0). */
#if (GCC_VERSION >= 4005) && !ENABLE_ASSERT_CHECKING
#define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__))
#endif
-#if GCC_VERSION >= 7000
-# define gcc_fallthrough() __attribute__((fallthrough))
+#if GCC_VERSION >= 7000 && defined(__has_attribute)
+# if __has_attribute(fallthrough)
+# define gcc_fallthrough() __attribute__((fallthrough))
+# else
+# define gcc_fallthrough()
+# endif
#else
# define gcc_fallthrough()
#endif
/* Some compilers do not allow the use of unsigned char in bitfields. */
#define BOOL_BITFIELD unsigned int
+/* GCC older than 4.4 have broken C++ value initialization handling, see
+ PR11309, PR30111, PR33916, PR82939 and PR84405 for more details. */
+#if GCC_VERSION > 0 && GCC_VERSION < 4004 && !defined(__clang__)
+# define BROKEN_VALUE_INITIALIZATION
+#endif
+
/* As the last action in this file, we poison the identifiers that
shouldn't be used. Note, luckily gcc-3.0's token-based integrated
preprocessor won't trip on poisoned identifiers that arrive from
etc don't spuriously fail. */
#ifdef IN_GCC
-#ifndef USES_ISL
#undef calloc
#undef strdup
- #pragma GCC poison calloc strdup
-#endif
+#undef strndup
+ #pragma GCC poison calloc strdup strndup
#if !defined(FLEX_SCANNER) && !defined(YYBISON)
#undef malloc
RETURN_POPS_ARGS UNITS_PER_SIMD_WORD OVERRIDE_OPTIONS \
OPTIMIZATION_OPTIONS CLASS_LIKELY_SPILLED_P \
USING_SJLJ_EXCEPTIONS TARGET_UNWIND_INFO \
- LABEL_ALIGN_MAX_SKIP LOOP_ALIGN_MAX_SKIP \
- LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP JUMP_ALIGN_MAX_SKIP \
CAN_DEBUG_WITHOUT_FP UNLIKELY_EXECUTED_TEXT_SECTION_NAME \
HOT_TEXT_SECTION_NAME LEGITIMATE_CONSTANT_P ALWAYS_STRIP_DOTDOT \
OUTPUT_ADDR_CONST_EXTRA SMALL_REGISTER_CLASSES ASM_OUTPUT_IDENT \
ASM_BYTE_OP MEMBER_TYPE_FORCES_BLK LIBGCC2_HAS_SF_MODE \
LIBGCC2_HAS_DF_MODE LIBGCC2_HAS_XF_MODE LIBGCC2_HAS_TF_MODE \
CLEAR_BY_PIECES_P MOVE_BY_PIECES_P SET_BY_PIECES_P \
- STORE_BY_PIECES_P
+ STORE_BY_PIECES_P TARGET_FLT_EVAL_METHOD \
+ HARD_REGNO_CALL_PART_CLOBBERED HARD_REGNO_MODE_OK \
+ MODES_TIEABLE_P FUNCTION_ARG_PADDING SLOW_UNALIGNED_ACCESS \
+ HARD_REGNO_NREGS SECONDARY_MEMORY_NEEDED_MODE \
+ SECONDARY_MEMORY_NEEDED CANNOT_CHANGE_MODE_CLASS \
+ TRULY_NOOP_TRUNCATION FUNCTION_ARG_OFFSET CONSTANT_ALIGNMENT \
+ STARTING_FRAME_OFFSET
/* Target macros only used for code built for the target, that have
moved to libgcc-tm.h or have never been present elsewhere. */
EXTRA_ADDRESS_CONSTRAINT CONST_DOUBLE_OK_FOR_CONSTRAINT_P \
CALLER_SAVE_PROFITABLE LARGEST_EXPONENT_IS_NORMAL \
ROUND_TOWARDS_ZERO SF_SIZE DF_SIZE XF_SIZE TF_SIZE LIBGCC2_TF_CEXT \
- LIBGCC2_LONG_DOUBLE_TYPE_SIZE STRUCT_VALUE EH_FRAME_IN_DATA_SECTION
+ LIBGCC2_LONG_DOUBLE_TYPE_SIZE STRUCT_VALUE \
+ EH_FRAME_IN_DATA_SECTION TARGET_FLT_EVAL_METHOD_NON_DEFAULT \
+ JCR_SECTION_NAME TARGET_USE_JCR_SECTION SDB_DEBUGGING_INFO \
+ SDB_DEBUG NO_IMPLICIT_EXTERN_C
/* Hooks that are no longer used. */
#pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
#define VALGRIND_FREELIKE_BLOCK(x,y)
#endif
+/* Macros to temporarily ignore some warnings. */
+#if GCC_VERSION >= 6000
+#define GCC_DIAGNOSTIC_STRINGIFY(x) #x
+#define GCC_DIAGNOSTIC_PUSH_IGNORED(x) \
+ _Pragma ("GCC diagnostic push") \
+ _Pragma (GCC_DIAGNOSTIC_STRINGIFY (GCC diagnostic ignored #x))
+#define GCC_DIAGNOSTIC_POP _Pragma ("GCC diagnostic pop")
+#else
+#define GCC_DIAGNOSTIC_PUSH_IGNORED(x)
+#define GCC_DIAGNOSTIC_POP
+#endif
+
/* In LTO -fwhole-program build we still want to keep the debug functions available
for debugger. Mark them as used to prevent removal. */
#if (GCC_VERSION > 4000)
/* Get definitions of HOST_WIDE_INT. */
#include "hwint.h"
+typedef int sort_r_cmp_fn (const void *, const void *, void *);
+void qsort_chk (void *, size_t, size_t, sort_r_cmp_fn *, void *);
+void gcc_sort_r (void *, size_t, size_t, sort_r_cmp_fn *, void *);
+void gcc_qsort (void *, size_t, size_t, int (*)(const void *, const void *));
+void gcc_stablesort (void *, size_t, size_t,
+ int (*)(const void *, const void *));
+/* Redirect four-argument qsort calls to gcc_qsort; one-argument invocations
+ correspond to vec::qsort, and use C qsort internally. */
+#define PP_5th(a1, a2, a3, a4, a5, ...) a5
+#undef qsort
+#define qsort(...) PP_5th (__VA_ARGS__, gcc_qsort, 3, 2, qsort, 0) (__VA_ARGS__)
+
+#define ONE_K 1024
+#define ONE_M (ONE_K * ONE_K)
+#define ONE_G (ONE_K * ONE_M)
+
+/* Display a number as an integer multiple of either:
+ - 1024, if said integer is >= to 10 K (in base 2)
+ - 1024 * 1024, if said integer is >= 10 M in (base 2)
+ */
+#define SIZE_SCALE(x) (((x) < 10 * ONE_K \
+ ? (x) \
+ : ((x) < 10 * ONE_M \
+ ? (x) / ONE_K \
+ : (x) / ONE_M)))
+
+/* For a given integer, display either:
+ - the character 'k', if the number is higher than 10 K (in base 2)
+ but strictly lower than 10 M (in base 2)
+ - the character 'M' if the number is higher than 10 M (in base2)
+ - the charcter ' ' if the number is strictly lower than 10 K */
+#define SIZE_LABEL(x) ((x) < 10 * ONE_K ? ' ' : ((x) < 10 * ONE_M ? 'k' : 'M'))
+
+/* Display an integer amount as multiple of 1K or 1M (in base 2).
+ Display the correct unit (either k, M, or ' ') after the amount, as
+ well. */
+#define SIZE_AMOUNT(size) (uint64_t)SIZE_SCALE (size), SIZE_LABEL (size)
+
+/* Format string particle for printing a SIZE_AMOUNT with N being the width
+ of the number. */
+#define PRsa(n) "%" #n PRIu64 "%c"
+
+/* System headers may define NULL to be an integer (e.g. 0L), which cannot be
+ used safely in certain contexts (e.g. as sentinels). Redefine NULL to
+ nullptr in order to make it safer. Note that this might confuse system
+ headers, however, by convention they must not be included after this point.
+*/
+#ifdef __cplusplus
+#undef NULL
+#define NULL nullptr
+#endif
+
#endif /* ! GCC_SYSTEM_H */
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