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Diffstat (limited to 'cil/src/machdep.c')
| -rw-r--r-- | cil/src/machdep.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/cil/src/machdep.c b/cil/src/machdep.c new file mode 100644 index 00000000..11348653 --- /dev/null +++ b/cil/src/machdep.c @@ -0,0 +1,220 @@ +/* + * + * Copyright (c) 2001-2002, + * George C. Necula <necula@cs.berkeley.edu> + * Scott McPeak <smcpeak@cs.berkeley.edu> + * Wes Weimer <weimer@cs.berkeley.edu> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. The names of the contributors may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER + * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "../config.h" + +#include <stdio.h> + +#ifdef HAVE_STDLIB_H +#include <stdlib.h> +#endif + +#ifdef HAVE_WCHAR_H +#include <wchar.h> +#endif + +#ifdef _GNUCC +#define LONGLONG long long +#define CONST_STRING_LITERALS "true" +#define VERSION __VERSION__ +#define VERSION_MAJOR __GNUC__ +#define VERSION_MINOR __GNUC_MINOR__ +#endif + +#ifdef _MSVC +#define LONGLONG __int64 +#define CONST_STRING_LITERALS "false" +#define VERSION "0" +#define VERSION_MAJOR 0 +#define VERSION_MINOR 0 +#endif + +/* The type for the machine dependency structure is generated from the + Makefile */ +int main() { + fprintf(stderr, "Generating machine dependency information for CIL\n"); + + printf("(* Generated by code in %s *)\n", __FILE__); + printf("\t version_major = %d;\n", VERSION_MAJOR); + printf("\t version_minor = %d;\n", VERSION_MINOR); + printf("\t version = \"%s\";\n", VERSION); + // Size of certain types + printf("\t sizeof_short = %d;\n", sizeof(short)); + printf("\t sizeof_int = %d;\n", sizeof(int)); + printf("\t sizeof_long = %d;\n", sizeof(long)); + printf("\t sizeof_longlong = %d;\n", sizeof(LONGLONG)); + printf("\t sizeof_ptr = %d;\n", sizeof(int *)); + printf("\t sizeof_enum = %d;\n", sizeof(enum e { ONE, TWO })); + printf("\t sizeof_float = %d;\n", sizeof(float)); + printf("\t sizeof_double = %d;\n", sizeof(double)); + printf("\t sizeof_longdouble = %d;\n", sizeof(long double)); + printf("\t sizeof_sizeof = %d;\n", sizeof(sizeof(int))); + printf("\t sizeof_wchar = %d;\n", sizeof(wchar_t)); + printf("\t sizeof_void = %d;\n", sizeof(void)); + printf("\t sizeof_fun = %d;\n", +#ifdef __GNUC__ + sizeof(main) +#else + 0 +#endif + ); + + // The alignment of a short + { + struct shortstruct { + char c; + short s; + }; + printf("\t alignof_short = %d;\n", + (int)(&((struct shortstruct*)0)->s)); + } + + // The alignment of an int + { + struct intstruct { + char c; + int i; + }; + printf("\t alignof_int = %d;\n", + (int)(&((struct intstruct*)0)->i)); + } + + // The alignment of a long + { + struct longstruct { + char c; + long l; + }; + printf("\t alignof_long = %d;\n", + (int)(&((struct longstruct*)0)->l)); + } + + // The alignment of long long + { + struct longlong { + char c; + LONGLONG ll; + }; + printf("\t alignof_longlong = %d;\n", + (int)(&((struct longlong*)0)->ll)); + } + + // The alignment of a ptr + { + struct ptrstruct { + char c; + int * p; + }; + printf("\t alignof_ptr = %d;\n", + (int)(&((struct ptrstruct*)0)->p)); + } + + // The alignment of an enum + { + struct enumstruct { + char c; + enum e2 { THREE, FOUR, FIVE } e; + }; + printf("\t alignof_enum = %d;\n", + (int)(&((struct enumstruct*)0)->e)); + } + + // The alignment of a float + { + struct floatstruct { + char c; + float f; + }; + printf("\t alignof_float = %d;\n", + (int)(&((struct floatstruct*)0)->f)); + } + + // The alignment of double + { + struct s1 { + char c; + double d; + }; + printf("\t alignof_double = %d;\n", + (int)(&((struct s1*)0)->d)); + } + + // The alignment of long double + { + struct s1 { + char c; + long double ld; + }; + printf("\t alignof_longdouble = %d;\n", + (int)(&((struct s1*)0)->ld)); + } + + printf("\t alignof_str = %d;\n", +#ifdef __GNUC__ + __alignof("a string") +#else + 0 +#endif + ); + + printf("\t alignof_fun = %d;\n", +#ifdef __GNUC__ + __alignof(main) +#else + 0 +#endif + ); + + // Whether char is unsigned + printf("\t char_is_unsigned = %s;\n", + ((char)0xff) > 0 ? "true" : "false"); + + + // Whether string literals contain constant characters + puts("\t const_string_literals = " CONST_STRING_LITERALS ";"); + + + // endianity + { + int e = 0x11223344; + printf("\t little_endian = %s;\n", + (0x44 == *(char*)&e) ? "true" : + ((0x11 == *(char*)&e) ? "false" : (exit(1), "false"))); + } + + exit(0); +} |