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fd7b490fc3
* include/ruby/defines.h, st.c: disable unaligned word access with gcc 6 or later. [Bug #11831] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53546 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
297 lines
5.8 KiB
C
297 lines
5.8 KiB
C
/************************************************
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defines.h -
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$Author$
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created at: Wed May 18 00:21:44 JST 1994
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************************************************/
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#ifndef RUBY_DEFINES_H
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#define RUBY_DEFINES_H 1
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#if defined(__cplusplus)
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extern "C" {
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#if 0
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} /* satisfy cc-mode */
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#endif
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#endif
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#include "ruby/config.h"
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#ifdef RUBY_EXTCONF_H
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#include RUBY_EXTCONF_H
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#endif
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/* AC_INCLUDES_DEFAULT */
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#include <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#else
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# ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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# endif
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#endif
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#ifdef HAVE_STRING_H
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# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
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# include <memory.h>
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# endif
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#ifdef HAVE_INTTYPES_H
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# include <inttypes.h>
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#endif
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#ifdef HAVE_STDINT_H
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# include <stdint.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_SYS_SELECT_H
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# include <sys/select.h>
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#endif
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#if defined HAVE_SETJMPEX_H && defined HAVE__SETJMPEX
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#include <setjmpex.h>
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#endif
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#include "ruby/missing.h"
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#define RUBY
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#ifdef __cplusplus
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# ifndef HAVE_PROTOTYPES
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# define HAVE_PROTOTYPES 1
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# endif
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# ifndef HAVE_STDARG_PROTOTYPES
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# define HAVE_STDARG_PROTOTYPES 1
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# endif
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#endif
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#undef _
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#ifdef HAVE_PROTOTYPES
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# define _(args) args
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#else
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# define _(args) ()
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#endif
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#undef __
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#ifdef HAVE_STDARG_PROTOTYPES
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# define __(args) args
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#else
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# define __(args) ()
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#endif
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#ifdef __cplusplus
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#define ANYARGS ...
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#else
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#define ANYARGS
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#endif
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#ifndef RUBY_SYMBOL_EXPORT_BEGIN
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# define RUBY_SYMBOL_EXPORT_BEGIN /* begin */
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# define RUBY_SYMBOL_EXPORT_END /* end */
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#endif
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RUBY_SYMBOL_EXPORT_BEGIN
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#define xmalloc ruby_xmalloc
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#define xmalloc2 ruby_xmalloc2
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#define xcalloc ruby_xcalloc
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#define xrealloc ruby_xrealloc
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#define xrealloc2 ruby_xrealloc2
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#define xfree ruby_xfree
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#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
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# define RUBY_ATTR_ALLOC_SIZE(params) __attribute__ ((__alloc_size__ params))
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#else
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# define RUBY_ATTR_ALLOC_SIZE(params)
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#endif
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void *xmalloc(size_t) RUBY_ATTR_ALLOC_SIZE((1));
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void *xmalloc2(size_t,size_t) RUBY_ATTR_ALLOC_SIZE((1,2));
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void *xcalloc(size_t,size_t) RUBY_ATTR_ALLOC_SIZE((1,2));
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void *xrealloc(void*,size_t) RUBY_ATTR_ALLOC_SIZE((2));
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void *xrealloc2(void*,size_t,size_t) RUBY_ATTR_ALLOC_SIZE((2,3));
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void xfree(void*);
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#define STRINGIZE(expr) STRINGIZE0(expr)
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#ifndef STRINGIZE0
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#define STRINGIZE0(expr) #expr
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#endif
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#ifdef HAVE_LONG_LONG
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# define HAVE_TRUE_LONG_LONG 1
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#endif
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#if SIZEOF_LONG_LONG > 0
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# define LONG_LONG long long
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#elif SIZEOF___INT64 > 0
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# define HAVE_LONG_LONG 1
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# define LONG_LONG __int64
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# undef SIZEOF_LONG_LONG
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# define SIZEOF_LONG_LONG SIZEOF___INT64
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#endif
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#ifdef __CYGWIN__
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#undef _WIN32
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#endif
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#if defined(_WIN32)
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/*
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DOSISH mean MS-Windows style filesystem.
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But you should use more precise macros like DOSISH_DRIVE_LETTER, PATH_SEP,
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ENV_IGNORECASE or CASEFOLD_FILESYSTEM.
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*/
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#define DOSISH 1
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# define DOSISH_DRIVE_LETTER
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#endif
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#ifdef AC_APPLE_UNIVERSAL_BUILD
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#undef WORDS_BIGENDIAN
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#ifdef __BIG_ENDIAN__
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#define WORDS_BIGENDIAN
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#endif
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#endif
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#ifdef _WIN32
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#include "ruby/win32.h"
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#endif
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#ifdef RUBY_EXPORT
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#undef RUBY_EXTERN
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#ifndef FALSE
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# define FALSE 0
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#elif FALSE
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# error FALSE must be false
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#endif
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#ifndef TRUE
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# define TRUE 1
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#elif !TRUE
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# error TRUE must be true
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#endif
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#endif
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#ifndef RUBY_FUNC_EXPORTED
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#define RUBY_FUNC_EXPORTED
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#endif
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#ifndef RUBY_EXTERN
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#define RUBY_EXTERN extern
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#endif
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#ifndef EXTERN
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#define EXTERN RUBY_EXTERN /* deprecated */
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#endif
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#ifndef RUBY_MBCHAR_MAXSIZE
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#define RUBY_MBCHAR_MAXSIZE INT_MAX
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/* MB_CUR_MAX will not work well in C locale */
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#endif
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#if defined(__sparc)
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void rb_sparc_flush_register_windows(void);
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# define FLUSH_REGISTER_WINDOWS rb_sparc_flush_register_windows()
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#elif defined(__ia64)
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void *rb_ia64_bsp(void);
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void rb_ia64_flushrs(void);
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# define FLUSH_REGISTER_WINDOWS rb_ia64_flushrs()
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#else
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# define FLUSH_REGISTER_WINDOWS ((void)0)
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#endif
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#if defined(DOSISH)
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#define PATH_SEP ";"
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#else
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#define PATH_SEP ":"
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#endif
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#define PATH_SEP_CHAR PATH_SEP[0]
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#define PATH_ENV "PATH"
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#if defined(DOSISH)
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#define ENV_IGNORECASE
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#endif
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#ifndef CASEFOLD_FILESYSTEM
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# if defined DOSISH
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# define CASEFOLD_FILESYSTEM 1
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# else
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# define CASEFOLD_FILESYSTEM 0
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# endif
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#endif
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#ifndef DLEXT_MAXLEN
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#define DLEXT_MAXLEN 4
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#endif
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#ifndef RUBY_PLATFORM
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#define RUBY_PLATFORM "unknown-unknown"
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#endif
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#ifndef FUNC_MINIMIZED
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#define FUNC_MINIMIZED(x) x
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#endif
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#ifndef FUNC_UNOPTIMIZED
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#define FUNC_UNOPTIMIZED(x) x
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#endif
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#ifndef RUBY_ALIAS_FUNCTION_TYPE
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#define RUBY_ALIAS_FUNCTION_TYPE(type, prot, name, args) \
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FUNC_MINIMIZED(type prot) {return (type)name args;}
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#endif
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#ifndef RUBY_ALIAS_FUNCTION_VOID
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#define RUBY_ALIAS_FUNCTION_VOID(prot, name, args) \
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FUNC_MINIMIZED(void prot) {name args;}
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#endif
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#ifndef RUBY_ALIAS_FUNCTION
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#define RUBY_ALIAS_FUNCTION(prot, name, args) \
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RUBY_ALIAS_FUNCTION_TYPE(VALUE, prot, name, args)
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#endif
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#if !defined(UNALIGNED_WORD_ACCESS) && defined(__GNUC__) && __GNUC__ >= 6
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# define UNALIGNED_WORD_ACCESS 0
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#endif
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#ifndef UNALIGNED_WORD_ACCESS
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# if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
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defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || \
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defined(__powerpc64__) || \
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defined(__mc68020__)
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# define UNALIGNED_WORD_ACCESS 1
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# else
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# define UNALIGNED_WORD_ACCESS 0
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# endif
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#endif
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#ifndef PACKED_STRUCT
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# define PACKED_STRUCT(x) x
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#endif
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#ifndef PACKED_STRUCT_UNALIGNED
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# if UNALIGNED_WORD_ACCESS
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# define PACKED_STRUCT_UNALIGNED(x) PACKED_STRUCT(x)
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# else
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# define PACKED_STRUCT_UNALIGNED(x) x
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# endif
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#endif
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RUBY_SYMBOL_EXPORT_END
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#if defined(__cplusplus)
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#if 0
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{ /* satisfy cc-mode */
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#endif
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} /* extern "C" { */
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#endif
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#endif /* RUBY_DEFINES_H */
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