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- /* Get common system includes and various definitions and declarations based
- on autoconf macros.
- Copyright (C) 1998-2015 Free Software Foundation, Inc.
- This file is part of GCC.
- GCC is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 3, or (at your option) any later
- version.
- GCC is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
- You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING3. If not see
- <http://www.gnu.org/licenses/>. */
- #ifndef GCC_SYSTEM_H
- #define GCC_SYSTEM_H
- /* Define this so that inttypes.h defines the PRI?64 macros even
- when compiling with a C++ compiler. Define it here so in the
- event inttypes.h gets pulled in by another header it is already
- defined. */
- #define __STDC_FORMAT_MACROS
- /* We must include stdarg.h before stdio.h. */
- #include <stdarg.h>
- #ifndef va_copy
- # ifdef __va_copy
- # define va_copy(d,s) __va_copy (d, s)
- # else
- # define va_copy(d,s) ((d) = (s))
- # endif
- #endif
- #ifdef HAVE_STDDEF_H
- # include <stddef.h>
- #endif
- #include <stdio.h>
- /* Define a generic NULL if one hasn't already been defined. */
- #ifndef NULL
- #define NULL 0
- #endif
- /* Use the unlocked open routines from libiberty. */
- /* Some of these are #define on some systems, e.g. on AIX to redirect
- the names to 64bit capable functions for LARGE_FILES support. These
- redefs are pointless here so we can override them. */
- #undef fopen
- #undef freopen
- #define fopen(PATH, MODE) fopen_unlocked (PATH, MODE)
- #define fdopen(FILDES, MODE) fdopen_unlocked (FILDES, MODE)
- #define freopen(PATH, MODE, STREAM) freopen_unlocked (PATH, MODE, STREAM)
- /* The compiler is not a multi-threaded application and therefore we
- do not have to use the locking functions. In fact, using the locking
- functions can cause the compiler to be significantly slower under
- I/O bound conditions (such as -g -O0 on very large source files).
- HAVE_DECL_PUTC_UNLOCKED actually indicates whether or not the stdio
- code is multi-thread safe by default. If it is set to 0, then do
- not worry about using the _unlocked functions.
- fputs_unlocked, fwrite_unlocked, and fprintf_unlocked are
- extensions and need to be prototyped by hand (since we do not
- define _GNU_SOURCE). */
- #if defined HAVE_DECL_PUTC_UNLOCKED && HAVE_DECL_PUTC_UNLOCKED
- # ifdef HAVE_PUTC_UNLOCKED
- # undef putc
- # define putc(C, Stream) putc_unlocked (C, Stream)
- # endif
- # ifdef HAVE_PUTCHAR_UNLOCKED
- # undef putchar
- # define putchar(C) putchar_unlocked (C)
- # endif
- # ifdef HAVE_GETC_UNLOCKED
- # undef getc
- # define getc(Stream) getc_unlocked (Stream)
- # endif
- # ifdef HAVE_GETCHAR_UNLOCKED
- # undef getchar
- # define getchar() getchar_unlocked ()
- # endif
- # ifdef HAVE_FPUTC_UNLOCKED
- # undef fputc
- # define fputc(C, Stream) fputc_unlocked (C, Stream)
- # endif
- #ifdef __cplusplus
- extern "C" {
- #endif
- # ifdef HAVE_CLEARERR_UNLOCKED
- # undef clearerr
- # define clearerr(Stream) clearerr_unlocked (Stream)
- # if defined (HAVE_DECL_CLEARERR_UNLOCKED) && !HAVE_DECL_CLEARERR_UNLOCKED
- extern void clearerr_unlocked (FILE *);
- # endif
- # endif
- # ifdef HAVE_FEOF_UNLOCKED
- # undef feof
- # define feof(Stream) feof_unlocked (Stream)
- # if defined (HAVE_DECL_FEOF_UNLOCKED) && !HAVE_DECL_FEOF_UNLOCKED
- extern int feof_unlocked (FILE *);
- # endif
- # endif
- # ifdef HAVE_FILENO_UNLOCKED
- # undef fileno
- # define fileno(Stream) fileno_unlocked (Stream)
- # if defined (HAVE_DECL_FILENO_UNLOCKED) && !HAVE_DECL_FILENO_UNLOCKED
- extern int fileno_unlocked (FILE *);
- # endif
- # endif
- # ifdef HAVE_FFLUSH_UNLOCKED
- # undef fflush
- # define fflush(Stream) fflush_unlocked (Stream)
- # if defined (HAVE_DECL_FFLUSH_UNLOCKED) && !HAVE_DECL_FFLUSH_UNLOCKED
- extern int fflush_unlocked (FILE *);
- # endif
- # endif
- # ifdef HAVE_FGETC_UNLOCKED
- # undef fgetc
- # define fgetc(Stream) fgetc_unlocked (Stream)
- # if defined (HAVE_DECL_FGETC_UNLOCKED) && !HAVE_DECL_FGETC_UNLOCKED
- extern int fgetc_unlocked (FILE *);
- # endif
- # endif
- # ifdef HAVE_FGETS_UNLOCKED
- # undef fgets
- # define fgets(S, n, Stream) fgets_unlocked (S, n, Stream)
- # if defined (HAVE_DECL_FGETS_UNLOCKED) && !HAVE_DECL_FGETS_UNLOCKED
- extern char *fgets_unlocked (char *, int, FILE *);
- # endif
- # endif
- # ifdef HAVE_FPUTS_UNLOCKED
- # undef fputs
- # define fputs(String, Stream) fputs_unlocked (String, Stream)
- # if defined (HAVE_DECL_FPUTS_UNLOCKED) && !HAVE_DECL_FPUTS_UNLOCKED
- extern int fputs_unlocked (const char *, FILE *);
- # endif
- # endif
- # ifdef HAVE_FERROR_UNLOCKED
- # undef ferror
- # define ferror(Stream) ferror_unlocked (Stream)
- # if defined (HAVE_DECL_FERROR_UNLOCKED) && !HAVE_DECL_FERROR_UNLOCKED
- extern int ferror_unlocked (FILE *);
- # endif
- # endif
- # ifdef HAVE_FREAD_UNLOCKED
- # undef fread
- # define fread(Ptr, Size, N, Stream) fread_unlocked (Ptr, Size, N, Stream)
- # if defined (HAVE_DECL_FREAD_UNLOCKED) && !HAVE_DECL_FREAD_UNLOCKED
- extern size_t fread_unlocked (void *, size_t, size_t, FILE *);
- # endif
- # endif
- # ifdef HAVE_FWRITE_UNLOCKED
- # undef fwrite
- # define fwrite(Ptr, Size, N, Stream) fwrite_unlocked (Ptr, Size, N, Stream)
- # if defined (HAVE_DECL_FWRITE_UNLOCKED) && !HAVE_DECL_FWRITE_UNLOCKED
- extern size_t fwrite_unlocked (const void *, size_t, size_t, FILE *);
- # endif
- # endif
- # ifdef HAVE_FPRINTF_UNLOCKED
- # undef fprintf
- /* We can't use a function-like macro here because we don't know if
- we have varargs macros. */
- # define fprintf fprintf_unlocked
- # if defined (HAVE_DECL_FPRINTF_UNLOCKED) && !HAVE_DECL_FPRINTF_UNLOCKED
- extern int fprintf_unlocked (FILE *, const char *, ...);
- # endif
- # endif
- #ifdef __cplusplus
- }
- #endif
- #endif
- /* ??? Glibc's fwrite/fread_unlocked macros cause
- "warning: signed and unsigned type in conditional expression". */
- #undef fread_unlocked
- #undef fwrite_unlocked
- /* Include <string> before "safe-ctype.h" to avoid GCC poisoning
- the ctype macros through safe-ctype.h */
- #ifdef __cplusplus
- # include <string>
- #endif
- /* There are an extraordinary number of issues with <ctype.h>.
- The last straw is that it varies with the locale. Use libiberty's
- replacement instead. */
- #include "safe-ctype.h"
- #include <sys/types.h>
- #include <errno.h>
- #if !defined (errno) && defined (HAVE_DECL_ERRNO) && !HAVE_DECL_ERRNO
- extern int errno;
- #endif
- #ifdef __cplusplus
- # include <algorithm>
- # include <cstring>
- # include <utility>
- #endif
- /* Some of glibc's string inlines cause warnings. Plus we'd rather
- rely on (and therefore test) GCC's string builtins. */
- #define __NO_STRING_INLINES
- #ifdef STRING_WITH_STRINGS
- # include <string.h>
- # include <strings.h>
- #else
- # ifdef HAVE_STRING_H
- # include <string.h>
- # else
- # ifdef HAVE_STRINGS_H
- # include <strings.h>
- # endif
- # endif
- #endif
- #ifdef HAVE_STDLIB_H
- # include <stdlib.h>
- #endif
- /* When compiling C++ we need to include <cstdlib> as well as <stdlib.h> so
- that it is processed before we poison "malloc"; otherwise, if a source
- file uses a standard library header that includes <cstdlib>, we will get
- an error about 'using std::malloc'. */
- #ifdef __cplusplus
- #include <cstdlib>
- #endif
- /* Undef vec_free from AIX stdlib.h header which conflicts with vec.h. */
- #undef vec_free
- /* If we don't have an overriding definition, set SUCCESS_EXIT_CODE and
- FATAL_EXIT_CODE to EXIT_SUCCESS and EXIT_FAILURE respectively,
- or 0 and 1 if those macros are not defined. */
- #ifndef SUCCESS_EXIT_CODE
- # ifdef EXIT_SUCCESS
- # define SUCCESS_EXIT_CODE EXIT_SUCCESS
- # else
- # define SUCCESS_EXIT_CODE 0
- # endif
- #endif
- #ifndef FATAL_EXIT_CODE
- # ifdef EXIT_FAILURE
- # define FATAL_EXIT_CODE EXIT_FAILURE
- # else
- # define FATAL_EXIT_CODE 1
- # endif
- #endif
- #define ICE_EXIT_CODE 4
- #ifdef HAVE_UNISTD_H
- # include <unistd.h>
- #endif
- #ifdef HAVE_SYS_PARAM_H
- # include <sys/param.h>
- /* We use these identifiers later and they appear in some vendor param.h's. */
- # undef PREFETCH
- # undef m_slot
- #endif
- #if HAVE_LIMITS_H
- # include <limits.h>
- #endif
- /* A macro to determine whether a VALUE lies inclusively within a
- certain range without evaluating the VALUE more than once. This
- macro won't warn if the VALUE is unsigned and the LOWER bound is
- zero, as it would e.g. with "VALUE >= 0 && ...". Note the LOWER
- bound *is* evaluated twice, and LOWER must not be greater than
- UPPER. However the bounds themselves can be either positive or
- negative. */
- #define IN_RANGE(VALUE, LOWER, UPPER) \
- ((unsigned HOST_WIDE_INT) (VALUE) - (unsigned HOST_WIDE_INT) (LOWER) \
- <= (unsigned HOST_WIDE_INT) (UPPER) - (unsigned HOST_WIDE_INT) (LOWER))
- /* Infrastructure for defining missing _MAX and _MIN macros. Note that
- macros defined with these cannot be used in #if. */
- /* The extra casts work around common compiler bugs. */
- #define INTTYPE_SIGNED(t) (! ((t) 0 < (t) -1))
- /* The outer cast is needed to work around a bug in Cray C 5.0.3.0.
- It is necessary at least when t == time_t. */
- #define INTTYPE_MINIMUM(t) ((t) (INTTYPE_SIGNED (t) \
- ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) : (t) 0))
- #define INTTYPE_MAXIMUM(t) ((t) (~ (t) 0 - INTTYPE_MINIMUM (t)))
- /* Use that infrastructure to provide a few constants. */
- #ifndef UCHAR_MAX
- # define UCHAR_MAX INTTYPE_MAXIMUM (unsigned char)
- #endif
- #ifdef TIME_WITH_SYS_TIME
- # include <sys/time.h>
- # include <time.h>
- #else
- # if HAVE_SYS_TIME_H
- # include <sys/time.h>
- # else
- # ifdef HAVE_TIME_H
- # include <time.h>
- # endif
- # endif
- #endif
- #ifdef HAVE_FCNTL_H
- # include <fcntl.h>
- #else
- # ifdef HAVE_SYS_FILE_H
- # include <sys/file.h>
- # endif
- #endif
- #ifndef SEEK_SET
- # define SEEK_SET 0
- # define SEEK_CUR 1
- # define SEEK_END 2
- #endif
- #ifndef F_OK
- # define F_OK 0
- # define X_OK 1
- # define W_OK 2
- # define R_OK 4
- #endif
- #ifndef O_RDONLY
- # define O_RDONLY 0
- #endif
- #ifndef O_WRONLY
- # define O_WRONLY 1
- #endif
- #ifndef O_BINARY
- # define O_BINARY 0
- #endif
- /* Some systems define these in, e.g., param.h. We undefine these names
- here to avoid the warnings. We prefer to use our definitions since we
- know they are correct. */
- #undef MIN
- #undef MAX
- #define MIN(X,Y) ((X) < (Y) ? (X) : (Y))
- #define MAX(X,Y) ((X) > (Y) ? (X) : (Y))
- /* Returns the least number N such that N * Y >= X. */
- #define CEIL(x,y) (((x) + (y) - 1) / (y))
- #ifdef HAVE_SYS_WAIT_H
- #include <sys/wait.h>
- #endif
- #ifndef WIFSIGNALED
- #define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
- #endif
- #ifndef WTERMSIG
- #define WTERMSIG(S) ((S) & 0x7f)
- #endif
- #ifndef WIFEXITED
- #define WIFEXITED(S) (((S) & 0xff) == 0)
- #endif
- #ifndef WEXITSTATUS
- #define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
- #endif
- #ifndef WSTOPSIG
- #define WSTOPSIG WEXITSTATUS
- #endif
- #ifndef WCOREDUMP
- #define WCOREDUMP(S) ((S) & WCOREFLG)
- #endif
- #ifndef WCOREFLG
- #define WCOREFLG 0200
- #endif
- #include <signal.h>
- #if !defined (SIGCHLD) && defined (SIGCLD)
- # define SIGCHLD SIGCLD
- #endif
- #ifdef HAVE_SYS_MMAN_H
- # include <sys/mman.h>
- #endif
- #ifndef MAP_FAILED
- # define MAP_FAILED ((void *)-1)
- #endif
- #if !defined (MAP_ANONYMOUS) && defined (MAP_ANON)
- # define MAP_ANONYMOUS MAP_ANON
- #endif
- #ifdef HAVE_SYS_RESOURCE_H
- # include <sys/resource.h>
- #endif
- #ifdef HAVE_SYS_TIMES_H
- # include <sys/times.h>
- #endif
- /* The HAVE_DECL_* macros are three-state, undefined, 0 or 1. If they
- are defined to 0 then we must provide the relevant declaration
- here. These checks will be in the undefined state while configure
- is running so be careful to test "defined (HAVE_DECL_*)". */
- #ifdef __cplusplus
- extern "C" {
- #endif
- #if defined (HAVE_DECL_ATOF) && !HAVE_DECL_ATOF
- extern double atof (const char *);
- #endif
- #if defined (HAVE_DECL_ATOL) && !HAVE_DECL_ATOL
- extern long atol (const char *);
- #endif
- #if defined (HAVE_DECL_FREE) && !HAVE_DECL_FREE
- extern void free (void *);
- #endif
- #if defined (HAVE_DECL_GETCWD) && !HAVE_DECL_GETCWD
- extern char *getcwd (char *, size_t);
- #endif
- #if defined (HAVE_DECL_GETENV) && !HAVE_DECL_GETENV
- extern char *getenv (const char *);
- #endif
- #if defined (HAVE_DECL_GETOPT) && !HAVE_DECL_GETOPT
- extern int getopt (int, char * const *, const char *);
- #endif
- #if defined (HAVE_DECL_GETPAGESIZE) && !HAVE_DECL_GETPAGESIZE
- extern int getpagesize (void);
- #endif
- #if defined (HAVE_DECL_GETWD) && !HAVE_DECL_GETWD
- extern char *getwd (char *);
- #endif
- #if defined (HAVE_DECL_SBRK) && !HAVE_DECL_SBRK
- extern void *sbrk (int);
- #endif
- #if defined (HAVE_DECL_STRSTR) && !HAVE_DECL_STRSTR
- extern char *strstr (const char *, const char *);
- #endif
- #if defined (HAVE_DECL_STPCPY) && !HAVE_DECL_STPCPY
- extern char *stpcpy (char *, const char *);
- #endif
- #ifdef __cplusplus
- }
- #endif
- #ifdef HAVE_MALLOC_H
- #include <malloc.h>
- #endif
- #ifdef __cplusplus
- extern "C" {
- #endif
- #if defined (HAVE_DECL_MALLOC) && !HAVE_DECL_MALLOC
- extern void *malloc (size_t);
- #endif
- #if defined (HAVE_DECL_CALLOC) && !HAVE_DECL_CALLOC
- extern void *calloc (size_t, size_t);
- #endif
- #if defined (HAVE_DECL_REALLOC) && !HAVE_DECL_REALLOC
- extern void *realloc (void *, size_t);
- #endif
- #ifdef __cplusplus
- }
- #endif
- #ifdef HAVE_STDINT_H
- #include <stdint.h>
- #endif
- #ifdef HAVE_INTTYPES_H
- #include <inttypes.h>
- #endif
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* If the system doesn't provide strsignal, we get it defined in
- libiberty but no declaration is supplied. */
- #if !defined (HAVE_STRSIGNAL) \
- || (defined (HAVE_DECL_STRSIGNAL) && !HAVE_DECL_STRSIGNAL)
- # ifndef strsignal
- extern const char *strsignal (int);
- # endif
- #endif
- #ifdef HAVE_GETRLIMIT
- # if defined (HAVE_DECL_GETRLIMIT) && !HAVE_DECL_GETRLIMIT
- # ifndef getrlimit
- struct rlimit;
- extern int getrlimit (int, struct rlimit *);
- # endif
- # endif
- #endif
- #ifdef HAVE_SETRLIMIT
- # if defined (HAVE_DECL_SETRLIMIT) && !HAVE_DECL_SETRLIMIT
- # ifndef setrlimit
- struct rlimit;
- extern int setrlimit (int, const struct rlimit *);
- # endif
- # endif
- #endif
- #if defined (HAVE_DECL_ABORT) && !HAVE_DECL_ABORT
- extern void abort (void);
- #endif
- #if defined (HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF
- extern int snprintf (char *, size_t, const char *, ...);
- #endif
- #if defined (HAVE_DECL_VSNPRINTF) && !HAVE_DECL_VSNPRINTF
- extern int vsnprintf (char *, size_t, const char *, va_list);
- #endif
- #ifdef __cplusplus
- }
- #endif
- /* 1 if we have C99 designated initializers. */
- #if !defined(HAVE_DESIGNATED_INITIALIZERS)
- #define HAVE_DESIGNATED_INITIALIZERS \
- (((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)) \
- && !defined(__cplusplus))
- #endif
- #if !defined(HAVE_DESIGNATED_UNION_INITIALIZERS)
- #define HAVE_DESIGNATED_UNION_INITIALIZERS \
- (((GCC_VERSION >= 2007) || (__STDC_VERSION__ >= 199901L)) \
- && (!defined(__cplusplus) || (GCC_VERSION >= 4007)))
- #endif
- #if HAVE_SYS_STAT_H
- # include <sys/stat.h>
- #endif
- /* Test if something is a normal file. */
- #ifndef S_ISREG
- #define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
- #endif
- /* Test if something is a directory. */
- #ifndef S_ISDIR
- #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
- #endif
- /* Test if something is a character special file. */
- #ifndef S_ISCHR
- #define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
- #endif
- /* Test if something is a block special file. */
- #ifndef S_ISBLK
- #define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
- #endif
- /* Test if something is a socket. */
- #ifndef S_ISSOCK
- # ifdef S_IFSOCK
- # define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
- # else
- # define S_ISSOCK(m) 0
- # endif
- #endif
- /* Test if something is a FIFO. */
- #ifndef S_ISFIFO
- # ifdef S_IFIFO
- # define S_ISFIFO(m) (((m) & S_IFMT) == S_IFIFO)
- # else
- # define S_ISFIFO(m) 0
- # endif
- #endif
- /* Define well known filenos if the system does not define them. */
- #ifndef STDIN_FILENO
- # define STDIN_FILENO 0
- #endif
- #ifndef STDOUT_FILENO
- # define STDOUT_FILENO 1
- #endif
- #ifndef STDERR_FILENO
- # define STDERR_FILENO 2
- #endif
- /* Some systems have mkdir that takes a single argument. */
- #ifdef MKDIR_TAKES_ONE_ARG
- # define mkdir(a,b) mkdir (a)
- #endif
- #ifndef HAVE_KILL
- # define kill(p,s) raise (s)
- #endif
- /* Provide a way to print an address via printf. */
- #ifndef HOST_PTR_PRINTF
- #define HOST_PTR_PRINTF "%p"
- #endif /* ! HOST_PTR_PRINTF */
- /* By default, colon separates directories in a path. */
- #ifndef PATH_SEPARATOR
- #define PATH_SEPARATOR ':'
- #endif
- /* Filename handling macros. */
- #include "filenames.h"
- /* These should be phased out in favor of IS_DIR_SEPARATOR, where possible. */
- #ifndef DIR_SEPARATOR
- # define DIR_SEPARATOR '/'
- # ifdef HAVE_DOS_BASED_FILE_SYSTEM
- # define DIR_SEPARATOR_2 '\\'
- # endif
- #endif
- #if defined (ENABLE_PLUGIN) && defined (HAVE_DLFCN_H)
- /* If plugin support is enabled, we could use libdl. */
- #include <dlfcn.h>
- #endif
- /* Do not introduce a gmp.h dependency on the build system. */
- #ifndef GENERATOR_FILE
- #include <gmp.h>
- #endif
- /* Get libiberty declarations. */
- #include "libiberty.h"
- #undef FFS /* Some systems predefine this symbol; don't let it interfere. */
- #undef FLOAT /* Likewise. */
- #undef ABS /* Likewise. */
- #undef PC /* Likewise. */
- /* Provide a default for the HOST_BIT_BUCKET.
- This suffices for POSIX-like hosts. */
- #ifndef HOST_BIT_BUCKET
- #define HOST_BIT_BUCKET "/dev/null"
- #endif
- #ifndef offsetof
- #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)
- #endif
- /* Various error reporting routines want to use __FUNCTION__. */
- #if (GCC_VERSION < 2007)
- #ifndef __FUNCTION__
- #define __FUNCTION__ "?"
- #endif /* ! __FUNCTION__ */
- #endif
- /* __builtin_expect(A, B) evaluates to A, but notifies the compiler that
- the most likely value of A is B. This feature was added at some point
- between 2.95 and 3.0. Let's use 3.0 as the lower bound for now. */
- #if (GCC_VERSION < 3000)
- #define __builtin_expect(a, b) (a)
- #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;
- #define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__)
- /* Use gcc_assert(EXPR) to test invariants. */
- #if ENABLE_ASSERT_CHECKING
- #define gcc_assert(EXPR) \
- ((void)(!(EXPR) ? fancy_abort (__FILE__, __LINE__, __FUNCTION__), 0 : 0))
- #elif (GCC_VERSION >= 4005)
- #define gcc_assert(EXPR) \
- ((void)(__builtin_expect (!(EXPR), 0) ? __builtin_unreachable (), 0 : 0))
- #else
- /* Include EXPR, so that unused variable warnings do not occur. */
- #define gcc_assert(EXPR) ((void)(0 && (EXPR)))
- #endif
- #ifdef ENABLE_CHECKING
- #define gcc_checking_assert(EXPR) gcc_assert (EXPR)
- #else
- #define gcc_checking_assert(EXPR) ((void)(0 && (EXPR)))
- #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() __builtin_unreachable ()
- #else
- #define gcc_unreachable() (fancy_abort (__FILE__, __LINE__, __FUNCTION__))
- #endif
- #if GCC_VERSION >= 3001
- #define STATIC_CONSTANT_P(X) (__builtin_constant_p (X) && (X))
- #else
- #define STATIC_CONSTANT_P(X) (false && (X))
- #endif
- /* Until we can use C++11's static_assert. */
- #define STATIC_ASSERT(X) \
- typedef int assertion1[(X) ? 1 : -1] ATTRIBUTE_UNUSED
- /* Provide a fake boolean type. We make no attempt to use the
- C99 _Bool, as it may not be available in the bootstrap compiler,
- and even if it is, it is liable to be buggy.
- This must be after all inclusion of system headers, as some of
- them will mess us up. */
- #undef TRUE
- #undef FALSE
- #ifdef __cplusplus
- /* Obsolete. */
- # define TRUE true
- # define FALSE false
- #else /* !__cplusplus */
- # undef bool
- # undef true
- # undef false
- # define bool unsigned char
- # define true 1
- # define false 0
- /* Obsolete. */
- # define TRUE true
- # define FALSE false
- #endif /* !__cplusplus */
- /* Some compilers do not allow the use of unsigned char in bitfields. */
- #define BOOL_BITFIELD unsigned int
- /* 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
- the expansion of macros. E.g. #define strrchr rindex, won't error
- if rindex is poisoned after this directive is issued and later on
- strrchr is called.
- Note: We define bypass macros for the few cases where we really
- want to use the libc memory allocation routines. Otherwise we
- insist you use the "x" versions from libiberty. */
- #define really_call_malloc malloc
- #define really_call_calloc calloc
- #define really_call_realloc realloc
- #if defined(FLEX_SCANNER) || defined(YYBISON) || defined(YYBYACC)
- /* Flex and bison use malloc and realloc. Yuk. Note that this means
- really_call_* cannot be used in a .l or .y file. */
- #define malloc xmalloc
- #define realloc xrealloc
- #endif
- #if (GCC_VERSION >= 3000)
- /* Note autoconf checks for prototype declarations and includes
- system.h while doing so. Only poison these tokens if actually
- compiling gcc, so that the autoconf declaration tests for malloc
- etc don't spuriously fail. */
- #ifdef IN_GCC
- #undef calloc
- #undef strdup
- #pragma GCC poison calloc strdup
- #if !defined(FLEX_SCANNER) && !defined(YYBISON)
- #undef malloc
- #undef realloc
- #pragma GCC poison malloc realloc
- #endif
- /* The %m format should be used when GCC's main diagnostic functions
- supporting %m are available, and xstrerror from libiberty
- otherwise. */
- #undef strerror
- #pragma GCC poison strerror
- /* loc_t is defined on some systems and too inviting for some
- programmers to avoid. */
- #undef loc_t
- #pragma GCC poison loc_t
- /* Old target macros that have moved to the target hooks structure. */
- #pragma GCC poison ASM_OPEN_PAREN ASM_CLOSE_PAREN \
- FUNCTION_PROLOGUE FUNCTION_EPILOGUE \
- FUNCTION_END_PROLOGUE FUNCTION_BEGIN_EPILOGUE \
- DECL_MACHINE_ATTRIBUTES COMP_TYPE_ATTRIBUTES INSERT_ATTRIBUTES \
- VALID_MACHINE_DECL_ATTRIBUTE VALID_MACHINE_TYPE_ATTRIBUTE \
- SET_DEFAULT_TYPE_ATTRIBUTES SET_DEFAULT_DECL_ATTRIBUTES \
- MERGE_MACHINE_TYPE_ATTRIBUTES MERGE_MACHINE_DECL_ATTRIBUTES \
- MD_INIT_BUILTINS MD_EXPAND_BUILTIN ASM_OUTPUT_CONSTRUCTOR \
- ASM_OUTPUT_DESTRUCTOR SIGNED_CHAR_SPEC MAX_CHAR_TYPE_SIZE \
- WCHAR_UNSIGNED UNIQUE_SECTION SELECT_SECTION SELECT_RTX_SECTION \
- ENCODE_SECTION_INFO STRIP_NAME_ENCODING ASM_GLOBALIZE_LABEL \
- ASM_OUTPUT_MI_THUNK CONST_COSTS RTX_COSTS DEFAULT_RTX_COSTS \
- ADDRESS_COST MACHINE_DEPENDENT_REORG ASM_FILE_START ASM_FILE_END \
- ASM_SIMPLIFY_DWARF_ADDR INIT_TARGET_OPTABS INIT_SUBTARGET_OPTABS \
- INIT_GOFAST_OPTABS MULSI3_LIBCALL MULDI3_LIBCALL DIVSI3_LIBCALL \
- DIVDI3_LIBCALL UDIVSI3_LIBCALL UDIVDI3_LIBCALL MODSI3_LIBCALL \
- MODDI3_LIBCALL UMODSI3_LIBCALL UMODDI3_LIBCALL BUILD_VA_LIST_TYPE \
- PRETEND_OUTGOING_VARARGS_NAMED STRUCT_VALUE_INCOMING_REGNUM \
- ASM_OUTPUT_SECTION_NAME PROMOTE_FUNCTION_ARGS PROMOTE_FUNCTION_MODE \
- STRUCT_VALUE_INCOMING STRICT_ARGUMENT_NAMING \
- PROMOTE_FUNCTION_RETURN PROMOTE_PROTOTYPES STRUCT_VALUE_REGNUM \
- SETUP_INCOMING_VARARGS EXPAND_BUILTIN_SAVEREGS \
- DEFAULT_SHORT_ENUMS SPLIT_COMPLEX_ARGS MD_ASM_CLOBBERS \
- HANDLE_PRAGMA_REDEFINE_EXTNAME HANDLE_PRAGMA_EXTERN_PREFIX \
- MUST_PASS_IN_STACK FUNCTION_ARG_PASS_BY_REFERENCE \
- VECTOR_MODE_SUPPORTED_P TARGET_SUPPORTS_HIDDEN \
- FUNCTION_ARG_PARTIAL_NREGS ASM_OUTPUT_DWARF_DTPREL \
- ALLOCATE_INITIAL_VALUE LEGITIMIZE_ADDRESS FRAME_POINTER_REQUIRED \
- CAN_ELIMINATE TRAMPOLINE_TEMPLATE INITIALIZE_TRAMPOLINE \
- TRAMPOLINE_ADJUST_ADDRESS STATIC_CHAIN STATIC_CHAIN_INCOMING \
- 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
- /* Target macros only used for code built for the target, that have
- moved to libgcc-tm.h or have never been present elsewhere. */
- #pragma GCC poison DECLARE_LIBRARY_RENAMES LIBGCC2_GNU_PREFIX \
- MD_UNWIND_SUPPORT MD_FROB_UPDATE_CONTEXT ENABLE_EXECUTE_STACK \
- REG_VALUE_IN_UNWIND_CONTEXT ASSUME_EXTENDED_UNWIND_CONTEXT
- /* Other obsolete target macros, or macros that used to be in target
- headers and were not used, and may be obsolete or may never have
- been used. */
- #pragma GCC poison INT_ASM_OP ASM_OUTPUT_EH_REGION_BEG CPP_PREDEFINES \
- ASM_OUTPUT_EH_REGION_END ASM_OUTPUT_LABELREF_AS_INT SMALL_STACK \
- DOESNT_NEED_UNWINDER EH_TABLE_LOOKUP OBJC_SELECTORS_WITHOUT_LABELS \
- OMIT_EH_TABLE EASY_DIV_EXPR IMPLICIT_FIX_EXPR \
- LONGJMP_RESTORE_FROM_STACK MAX_INT_TYPE_SIZE ASM_IDENTIFY_GCC \
- STDC_VALUE TRAMPOLINE_ALIGN ASM_IDENTIFY_GCC_AFTER_SOURCE \
- SLOW_ZERO_EXTEND SUBREG_REGNO_OFFSET DWARF_LINE_MIN_INSTR_LENGTH \
- TRADITIONAL_RETURN_FLOAT NO_BUILTIN_SIZE_TYPE \
- NO_BUILTIN_PTRDIFF_TYPE NO_BUILTIN_WCHAR_TYPE NO_BUILTIN_WINT_TYPE \
- BLOCK_PROFILER BLOCK_PROFILER_CODE FUNCTION_BLOCK_PROFILER \
- FUNCTION_BLOCK_PROFILER_EXIT MACHINE_STATE_SAVE \
- MACHINE_STATE_RESTORE SCCS_DIRECTIVE SECTION_ASM_OP BYTEORDER \
- ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL HOST_WORDS_BIG_ENDIAN \
- OBJC_PROLOGUE ALLOCATE_TRAMPOLINE HANDLE_PRAGMA ROUND_TYPE_SIZE \
- ROUND_TYPE_SIZE_UNIT CONST_SECTION_ASM_OP CRT_GET_RFIB_TEXT \
- DBX_LBRAC_FIRST DBX_OUTPUT_ENUM DBX_OUTPUT_SOURCE_FILENAME \
- DBX_WORKING_DIRECTORY INSN_CACHE_DEPTH INSN_CACHE_SIZE \
- INSN_CACHE_LINE_WIDTH INIT_SECTION_PREAMBLE NEED_ATEXIT ON_EXIT \
- EXIT_BODY OBJECT_FORMAT_ROSE MULTIBYTE_CHARS MAP_CHARACTER \
- LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL DEFAULT_CALLER_SAVES \
- LOAD_ARGS_REVERSED MAX_INTEGER_COMPUTATION_MODE \
- CONVERT_HARD_REGISTER_TO_SSA_P ASM_OUTPUT_MAIN_SOURCE_FILENAME \
- FIRST_INSN_ADDRESS TEXT_SECTION SHARED_BSS_SECTION_ASM_OP \
- PROMOTED_MODE EXPAND_BUILTIN_VA_END \
- LINKER_DOES_NOT_WORK_WITH_DWARF2 FUNCTION_ARG_KEEP_AS_REFERENCE \
- GIV_SORT_CRITERION MAX_LONG_TYPE_SIZE MAX_LONG_DOUBLE_TYPE_SIZE \
- MAX_WCHAR_TYPE_SIZE SHARED_SECTION_ASM_OP INTEGRATE_THRESHOLD \
- FINAL_REG_PARM_STACK_SPACE MAYBE_REG_PARM_STACK_SPACE \
- TRADITIONAL_PIPELINE_INTERFACE DFA_PIPELINE_INTERFACE \
- DBX_OUTPUT_STANDARD_TYPES BUILTIN_SETJMP_FRAME_VALUE \
- SUNOS4_SHARED_LIBRARIES PROMOTE_FOR_CALL_ONLY \
- SPACE_AFTER_L_OPTION NO_RECURSIVE_FUNCTION_CSE \
- DEFAULT_MAIN_RETURN TARGET_MEM_FUNCTIONS EXPAND_BUILTIN_VA_ARG \
- COLLECT_PARSE_FLAG DWARF2_GENERATE_TEXT_SECTION_LABEL WINNING_GDB \
- ASM_OUTPUT_FILENAME ASM_OUTPUT_SOURCE_LINE FILE_NAME_JOINER \
- GDB_INV_REF_REGPARM_STABS_LETTER DBX_MEMPARM_STABS_LETTER \
- PUT_SDB_SRC_FILE STABS_GCC_MARKER DBX_OUTPUT_FUNCTION_END \
- DBX_OUTPUT_GCC_MARKER DBX_FINISH_SYMBOL SDB_GENERATE_FAKE \
- NON_SAVING_SETJMP TARGET_LATE_RTL_PROLOGUE_EPILOGUE \
- CASE_DROPS_THROUGH TARGET_BELL TARGET_BS TARGET_CR TARGET_DIGIT0 \
- TARGET_ESC TARGET_FF TARGET_NEWLINE TARGET_TAB TARGET_VT \
- LINK_LIBGCC_SPECIAL DONT_ACCESS_GBLS_AFTER_EPILOGUE \
- TARGET_OPTIONS TARGET_SWITCHES EXTRA_CC_MODES FINALIZE_PIC \
- PREDICATE_CODES SPECIAL_MODE_PREDICATES UNALIGNED_WORD_ASM_OP \
- EXTRA_SECTIONS EXTRA_SECTION_FUNCTIONS READONLY_DATA_SECTION \
- TARGET_ASM_EXCEPTION_SECTION TARGET_ASM_EH_FRAME_SECTION \
- SMALL_ARG_MAX ASM_OUTPUT_SHARED_BSS ASM_OUTPUT_SHARED_COMMON \
- ASM_OUTPUT_SHARED_LOCAL ASM_MAKE_LABEL_LINKONCE \
- STACK_CHECK_PROBE_INTERVAL STACK_CHECK_PROBE_LOAD \
- ORDER_REGS_FOR_LOCAL_ALLOC FUNCTION_OUTGOING_VALUE \
- ASM_DECLARE_CONSTANT_NAME MODIFY_TARGET_NAME SWITCHES_NEED_SPACES \
- SWITCH_CURTAILS_COMPILATION SWITCH_TAKES_ARG WORD_SWITCH_TAKES_ARG \
- TARGET_OPTION_TRANSLATE_TABLE HANDLE_PRAGMA_PACK_PUSH_POP \
- HANDLE_SYSV_PRAGMA HANDLE_PRAGMA_WEAK CONDITIONAL_REGISTER_USAGE \
- FUNCTION_ARG_BOUNDARY MUST_USE_SJLJ_EXCEPTIONS US_SOFTWARE_GOFAST \
- USING_SVR4_H SVR4_ASM_SPEC FUNCTION_ARG FUNCTION_ARG_ADVANCE \
- FUNCTION_INCOMING_ARG IRA_COVER_CLASSES TARGET_VERSION \
- MACHINE_TYPE TARGET_HAS_TARGETCM ASM_OUTPUT_BSS \
- SETJMP_VIA_SAVE_AREA FORBIDDEN_INC_DEC_CLASSES \
- PREFERRED_OUTPUT_RELOAD_CLASS SYSTEM_INCLUDE_DIR \
- STANDARD_INCLUDE_DIR STANDARD_INCLUDE_COMPONENT \
- LINK_ELIMINATE_DUPLICATE_LDIRECTORIES MIPS_DEBUGGING_INFO \
- IDENT_ASM_OP ALL_COP_ADDITIONAL_REGISTER_NAMES DBX_OUTPUT_LBRAC \
- DBX_OUTPUT_NFUN DBX_OUTPUT_RBRAC RANGE_TEST_NON_SHORT_CIRCUIT \
- REAL_VALUE_TRUNCATE REVERSE_CONDEXEC_PREDICATES_P \
- TARGET_ALIGN_ANON_BITFIELDS TARGET_NARROW_VOLATILE_BITFIELDS \
- IDENT_ASM_OP UNALIGNED_SHORT_ASM_OP UNALIGNED_INT_ASM_OP \
- UNALIGNED_LONG_ASM_OP UNALIGNED_DOUBLE_INT_ASM_OP \
- USE_COMMON_FOR_ONE_ONLY IFCVT_EXTRA_FIELDS IFCVT_INIT_EXTRA_FIELDS \
- CASE_USE_BIT_TESTS FIXUNS_TRUNC_LIKE_FIX_TRUNC \
- GO_IF_MODE_DEPENDENT_ADDRESS DELAY_SLOTS_FOR_EPILOGUE \
- ELIGIBLE_FOR_EPILOGUE_DELAY TARGET_C99_FUNCTIONS TARGET_HAS_SINCOS \
- REG_CLASS_FROM_LETTER CONST_OK_FOR_LETTER_P \
- CONST_DOUBLE_OK_FOR_LETTER_P EXTRA_CONSTRAINT \
- REG_CLASS_FROM_CONSTRAINT REG_CLASS_FOR_CONSTRAINT \
- EXTRA_CONSTRAINT_STR EXTRA_MEMORY_CONSTRAINT \
- 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
- /* Hooks that are no longer used. */
- #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE \
- LANG_HOOKS_MARK_TREE LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES \
- LANG_HOOKS_TREE_INLINING_ESTIMATE_NUM_INSNS \
- LANG_HOOKS_PUSHLEVEL LANG_HOOKS_SET_BLOCK \
- LANG_HOOKS_MAYBE_BUILD_CLEANUP LANG_HOOKS_UPDATE_DECL_AFTER_SAVING \
- LANG_HOOKS_POPLEVEL LANG_HOOKS_TRUTHVALUE_CONVERSION \
- TARGET_PROMOTE_FUNCTION_ARGS TARGET_PROMOTE_FUNCTION_RETURN \
- LANG_HOOKS_MISSING_ARGUMENT LANG_HOOKS_HASH_TYPES \
- TARGET_HANDLE_OFAST TARGET_OPTION_OPTIMIZATION \
- TARGET_IRA_COVER_CLASSES TARGET_HELP \
- TARGET_HANDLE_PRAGMA_EXTERN_PREFIX \
- TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN \
- TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD \
- /* Arrays that were deleted in favor of a functional interface. */
- #pragma GCC poison built_in_decls implicit_built_in_decls
- /* Hooks into libgcc2. */
- #pragma GCC poison LIBGCC2_DOUBLE_TYPE_SIZE LIBGCC2_WORDS_BIG_ENDIAN \
- LIBGCC2_FLOAT_WORDS_BIG_ENDIAN
- /* Miscellaneous macros that are no longer used. */
- #pragma GCC poison USE_MAPPED_LOCATION GET_ENVIRONMENT
- /* Libiberty macros that are no longer used in GCC. */
- #undef ANSI_PROTOTYPES
- #undef PTR_CONST
- #undef LONG_DOUBLE
- #undef VPARAMS
- #undef VA_OPEN
- #undef VA_FIXEDARG
- #undef VA_CLOSE
- #undef VA_START
- #pragma GCC poison ANSI_PROTOTYPES PTR_CONST LONG_DOUBLE VPARAMS VA_OPEN \
- VA_FIXEDARG VA_CLOSE VA_START
- #endif /* IN_GCC */
- /* Front ends should never have to include middle-end headers. Enforce
- this by poisoning the header double-include protection defines. */
- #ifdef IN_GCC_FRONTEND
- #pragma GCC poison GCC_RTL_H GCC_EXCEPT_H GCC_EXPR_H
- #endif
- /* Note: not all uses of the `index' token (e.g. variable names and
- structure members) have been eliminated. */
- #undef bcopy
- #undef bzero
- #undef bcmp
- #undef rindex
- #pragma GCC poison bcopy bzero bcmp rindex
- #endif /* GCC >= 3.0 */
- /* This macro allows casting away const-ness to pass -Wcast-qual
- warnings. DO NOT USE THIS UNLESS YOU REALLY HAVE TO! It should
- only be used in certain specific cases. One valid case is where
- the C standard definitions or prototypes force you to. E.g. if you
- need to free a const object, or if you pass a const string to
- execv, et al. Another valid use would be in an allocation function
- that creates const objects that need to be initialized. In some
- cases we have non-const functions that return the argument
- (e.g. next_nonnote_insn). Rather than create const shadow
- functions, we can cast away const-ness in calling these interfaces
- if we're careful to verify that the called function does indeed not
- modify its argument and the return value is only used in a const
- context. (This can be somewhat dangerous as these assumptions can
- change after the fact). Beyond these uses, most other cases of
- using this macro should be viewed with extreme caution. */
- #ifdef __cplusplus
- #define CONST_CAST2(TOTYPE,FROMTYPE,X) (const_cast<TOTYPE> (X))
- #else
- #if defined(__GNUC__) && GCC_VERSION > 4000
- /* GCC 4.0.x has a bug where it may ICE on this expression,
- so does GCC 3.4.x (PR17436). */
- #define CONST_CAST2(TOTYPE,FROMTYPE,X) ((__extension__(union {FROMTYPE _q; TOTYPE _nq;})(X))._nq)
- #elif defined(__GNUC__)
- static inline char *
- helper_const_non_const_cast (const char *p)
- {
- union {
- const char *const_c;
- char *c;
- } val;
- val.const_c = p;
- return val.c;
- }
- #define CONST_CAST2(TOTYPE,FROMTYPE,X) \
- ((TOTYPE) helper_const_non_const_cast ((const char *) (FROMTYPE) (X)))
- #else
- #define CONST_CAST2(TOTYPE,FROMTYPE,X) ((TOTYPE)(FROMTYPE)(X))
- #endif
- #endif
- #define CONST_CAST(TYPE,X) CONST_CAST2 (TYPE, const TYPE, (X))
- #define CONST_CAST_TREE(X) CONST_CAST (union tree_node *, (X))
- #define CONST_CAST_RTX(X) CONST_CAST (struct rtx_def *, (X))
- #define CONST_CAST_RTX_INSN(X) CONST_CAST (struct rtx_insn *, (X))
- #define CONST_CAST_BB(X) CONST_CAST (struct basic_block_def *, (X))
- #define CONST_CAST_GIMPLE(X) CONST_CAST (struct gimple_statement_base *, (X))
- /* Activate certain diagnostics as warnings (not errors via the
- -Werror flag). */
- #if GCC_VERSION >= 4003
- /* If asserts are disabled, activate -Wuninitialized as a warning (not
- an error/-Werror). */
- #ifndef ENABLE_ASSERT_CHECKING
- #pragma GCC diagnostic warning "-Wuninitialized"
- #endif
- #endif
- #ifdef ENABLE_VALGRIND_ANNOTATIONS
- # ifdef HAVE_VALGRIND_MEMCHECK_H
- # include <valgrind/memcheck.h>
- # elif defined HAVE_MEMCHECK_H
- # include <memcheck.h>
- # else
- # include <valgrind.h>
- # endif
- /* Compatibility macros to let valgrind 3.1 work. */
- # ifndef VALGRIND_MAKE_MEM_NOACCESS
- # define VALGRIND_MAKE_MEM_NOACCESS VALGRIND_MAKE_NOACCESS
- # endif
- # ifndef VALGRIND_MAKE_MEM_DEFINED
- # define VALGRIND_MAKE_MEM_DEFINED VALGRIND_MAKE_READABLE
- # endif
- # ifndef VALGRIND_MAKE_MEM_UNDEFINED
- # define VALGRIND_MAKE_MEM_UNDEFINED VALGRIND_MAKE_WRITABLE
- # endif
- #else
- /* Avoid #ifdef:s when we can help it. */
- #define VALGRIND_DISCARD(x)
- #define VALGRIND_MALLOCLIKE_BLOCK(w,x,y,z)
- #define VALGRIND_FREELIKE_BLOCK(x,y)
- #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)
- #define DEBUG_FUNCTION __attribute__ ((__used__))
- #define DEBUG_VARIABLE __attribute__ ((__used__))
- #else
- #define DEBUG_FUNCTION
- #define DEBUG_VARIABLE
- #endif
- /* General macro to extract bit Y of X. */
- #define TEST_BIT(X, Y) (((X) >> (Y)) & 1)
- /* Get definitions of HOST_WIDE_INT. */
- #include "hwint.h"
- #endif /* ! GCC_SYSTEM_H */
|