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/*
* gensize.c
*
* This file generates the file unixsize.h
*
* NOTE: It only prints the minimal information required.
*
* COPYRIGHT (c) 1989-1998.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*
*/
/*
* This feels like a very crude way to determine if we are on a Solaris
* host but it does work.
*/
#if defined(__sun__) && defined(__sparc__) && \
defined(__unix__) && defined(__svr4__)
#undef _POSIX_C_SOURCE
#define _POSIX_C_SOURCE 3
#undef __STRICT_ANSI__
#endif
#include <stdio.h>
#include <unistd.h>
#include <setjmp.h>
#include <signal.h>
typedef struct {
jmp_buf regs;
int isr_level;
} Context_Control;
int main(
int argc,
char **argv
)
{
Context_Control *cc = 0;
/*
* Print the file header
*/
printf(
"/* unixsize.h\n"
" *\n"
" * This include file contans the size of the context control block\n"
" * C data structure. This structure must be defined in such a way\n"
" * that files NOT including the native header files can work.\n"
" *\n"
" * NOTE: THIS FILE IS AUTOMATICALLY GENERATED!!!!\n"
" * DO NOT EDIT THIS BY HAND!!!!\n"
" *\n"
" * COPYRIGHT (c) 1989-1998.\n"
" * On-Line Applications Research Corporation (OAR).\n"
" * Copyright assigned to U.S. Government, 1994.\n"
" *\n"
" * The license and distribution terms for this file may be\n"
" * found in the file LICENSE in this distribution or at\n"
" * http://www.OARcorp.com/rtems/license.html.\n"
" */\n"
"\n"
"#ifndef __UNIXSIZE_h\n"
"#define __UNIXSIZE_h\n"
"\n"
);
#define PRINT_IT( STRING, NUMBER ) \
printf( "#define\t%s\t0x%x\t\t/* %d */\n", \
STRING, \
NUMBER, \
NUMBER );
#define PRINT_SIZE( STRING, NUMBER ) \
printf( "#define\t%s\t0x%x\t\t/* %d */\n", \
STRING, \
NUMBER, \
NUMBER );
#define PRINT_COMMENT( STRING ) \
printf( \
"\n" \
"/*\n" \
" * " STRING "\n" \
" */\n" \
"\n" \
);
PRINT_COMMENT("Context_Control information");
PRINT_SIZE("CPU_CONTEXT_SIZE_IN_BYTES", sizeof( Context_Control ) );
PRINT_SIZE("CPU_CONTEXT_REGISTERS_OFFSET_IN_BYTES", (int) &cc->regs );
PRINT_SIZE("CPU_CONTEXT_SIGNALS_OFFSET_IN_BYTES", (int) &cc->isr_level );
/*
* Print the end of file stuff
*/
printf(
"\n"
"#endif /* __UNIXSIZE_h */\n"
"\n"
"/* end of include file */\n"
);
return 0;
}
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