2002-03-10 00:29:33 +01:00
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/*
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* Small utility functions for winebuild
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*
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* Copyright 2000 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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2000-06-23 22:15:35 +02:00
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2001-11-06 21:57:11 +01:00
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#include "config.h"
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2002-04-25 23:40:56 +02:00
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#include "wine/port.h"
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2001-11-06 21:57:11 +01:00
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2000-06-23 22:15:35 +02:00
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#include <ctype.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "build.h"
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void *xmalloc (size_t size)
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{
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void *res;
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res = malloc (size ? size : 1);
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if (res == NULL)
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{
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fprintf (stderr, "Virtual memory exhausted.\n");
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exit (1);
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}
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return res;
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}
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void *xrealloc (void *ptr, size_t size)
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{
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void *res = realloc (ptr, size);
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if (res == NULL)
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{
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fprintf (stderr, "Virtual memory exhausted.\n");
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exit (1);
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}
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return res;
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}
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char *xstrdup( const char *str )
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{
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char *res = strdup( str );
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if (!res)
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{
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fprintf (stderr, "Virtual memory exhausted.\n");
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exit (1);
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}
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return res;
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}
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char *strupper(char *s)
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{
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char *p;
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for (p = s; *p; p++) *p = toupper(*p);
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return s;
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}
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void fatal_error( const char *msg, ... )
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{
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va_list valist;
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va_start( valist, msg );
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2000-09-28 01:40:43 +02:00
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if (input_file_name)
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{
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fprintf( stderr, "%s:", input_file_name );
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if (current_line)
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fprintf( stderr, "%d:", current_line );
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fputc( ' ', stderr );
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}
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2000-06-23 22:15:35 +02:00
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vfprintf( stderr, msg, valist );
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va_end( valist );
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exit(1);
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}
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2000-10-23 23:33:06 +02:00
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void fatal_perror( const char *msg, ... )
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{
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va_list valist;
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va_start( valist, msg );
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if (input_file_name)
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{
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fprintf( stderr, "%s:", input_file_name );
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if (current_line)
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fprintf( stderr, "%d:", current_line );
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fputc( ' ', stderr );
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}
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vfprintf( stderr, msg, valist );
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perror( " " );
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va_end( valist );
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exit(1);
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}
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2000-09-28 01:40:43 +02:00
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void warning( const char *msg, ... )
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{
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va_list valist;
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2002-03-21 02:38:53 +01:00
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if (!display_warnings) return;
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2000-09-28 01:40:43 +02:00
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va_start( valist, msg );
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if (input_file_name)
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{
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fprintf( stderr, "%s:", input_file_name );
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if (current_line)
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fprintf( stderr, "%d:", current_line );
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fputc( ' ', stderr );
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}
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fprintf( stderr, "warning: " );
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vfprintf( stderr, msg, valist );
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va_end( valist );
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}
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2002-03-10 00:29:33 +01:00
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/* output a standard header for generated files */
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void output_standard_file_header( FILE *outfile )
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{
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2002-05-12 01:06:32 +02:00
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if (input_file_name)
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fprintf( outfile, "/* File generated automatically from %s; do not edit! */\n",
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input_file_name );
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else
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fprintf( outfile, "/* File generated automatically; do not edit! */\n" );
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2002-03-10 00:29:33 +01:00
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fprintf( outfile,
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"/* This file can be copied, modified and distributed without restriction. */\n\n" );
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}
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2000-06-23 22:15:35 +02:00
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/* dump a byte stream into the assembly code */
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2000-10-25 22:33:58 +02:00
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void dump_bytes( FILE *outfile, const unsigned char *data, int len,
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const char *label, int constant )
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2000-06-23 22:15:35 +02:00
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{
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int i;
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2000-10-25 22:33:58 +02:00
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fprintf( outfile, "\nstatic %sunsigned char %s[%d] = {",
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constant ? "const " : "", label, len );
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2000-06-23 22:15:35 +02:00
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for (i = 0; i < len; i++)
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{
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2000-10-25 22:33:58 +02:00
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if (!(i & 7)) fprintf( outfile, "\n " );
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fprintf( outfile, "0x%02x", *data++ );
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if (i < len - 1) fprintf( outfile, "," );
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2000-06-23 22:15:35 +02:00
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}
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fprintf( outfile, "\n};\n" );
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}
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2001-02-13 03:06:38 +01:00
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2002-05-14 22:54:58 +02:00
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/*******************************************************************
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* make_c_identifier
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*
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* Map a string to a valid C identifier.
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*/
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const char *make_c_identifier( const char *str )
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{
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static char buffer[256];
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char *p;
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for (p = buffer; *str && p < buffer+sizeof(buffer)-1; p++, str++)
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{
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if (isalnum(*str)) *p = *str;
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else *p = '_';
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}
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*p = 0;
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return buffer;
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}
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2001-02-13 03:06:38 +01:00
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/*****************************************************************
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* Function: get_alignment
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*
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* Description:
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* According to the info page for gas, the .align directive behaves
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* differently on different systems. On some architectures, the
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* argument of a .align directive is the number of bytes to pad to, so
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* to align on an 8-byte boundary you'd say
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* .align 8
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* On other systems, the argument is "the number of low-order zero bits
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* that the location counter must have after advancement." So to
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* align on an 8-byte boundary you'd say
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* .align 3
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*
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* The reason gas is written this way is that it's trying to mimick
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* native assemblers for the various architectures it runs on. gas
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* provides other directives that work consistantly across
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* architectures, but of course we want to work on all arches with or
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* without gas. Hence this function.
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*
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*
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* Parameters:
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* alignBoundary -- the number of bytes to align to.
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* If we're on an architecture where
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* the assembler requires a 'number
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* of low-order zero bits' as a
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* .align argument, then this number
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* must be a power of 2.
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*
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*/
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int get_alignment(int alignBoundary)
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{
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#ifdef __PPC__
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int n = 0;
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switch(alignBoundary)
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{
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case 2:
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n = 1;
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break;
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case 4:
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n = 2;
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break;
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case 8:
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n = 3;
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break;
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case 16:
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n = 4;
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break;
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case 32:
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n = 5;
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break;
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case 64:
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n = 6;
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break;
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case 128:
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n = 7;
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break;
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case 256:
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n = 8;
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break;
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case 512:
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n = 9;
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break;
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case 1024:
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n = 10;
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break;
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case 2048:
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n = 11;
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break;
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case 4096:
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n = 12;
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break;
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case 8192:
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n = 13;
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break;
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case 16384:
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n = 14;
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break;
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case 32768:
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n = 15;
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break;
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case 65536:
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n = 16;
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break;
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default:
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fatal_error("Alignment to %d-byte boundary not supported on this architecture.\n",
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alignBoundary);
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}
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return n;
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#elif defined(__i386__) || defined(__sparc__)
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return alignBoundary;
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#else
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#error "How does the '.align' assembler directive work on your architecture?"
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#endif
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}
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