158 lines
5.5 KiB
C
158 lines
5.5 KiB
C
/*
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* Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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* You can also choose to distribute this program under the terms of
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* the Unmodified Binary Distribution Licence (as given in the file
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* COPYING.UBDL), provided that you have satisfied its requirements.
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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/** @file
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*
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* memset() self-tests
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*
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*/
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/* Forcibly enable assertions */
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#undef NDEBUG
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#include <string.h>
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#include <ipxe/test.h>
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/* Provide global functions to allow inspection of generated code */
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void memset_zero_0 ( void *dest ) { memset ( dest, 0, 0 ); }
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void memset_zero_1 ( void *dest ) { memset ( dest, 0, 1 ); }
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void memset_zero_2 ( void *dest ) { memset ( dest, 0, 2 ); }
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void memset_zero_3 ( void *dest ) { memset ( dest, 0, 3 ); }
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void memset_zero_4 ( void *dest ) { memset ( dest, 0, 4 ); }
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void memset_zero_5 ( void *dest ) { memset ( dest, 0, 5 ); }
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void memset_zero_6 ( void *dest ) { memset ( dest, 0, 6 ); }
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void memset_zero_7 ( void *dest ) { memset ( dest, 0, 7 ); }
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void memset_zero_8 ( void *dest ) { memset ( dest, 0, 8 ); }
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void memset_zero_9 ( void *dest ) { memset ( dest, 0, 9 ); }
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void memset_zero_10 ( void *dest ) { memset ( dest, 0, 10 ); }
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void memset_zero_11 ( void *dest ) { memset ( dest, 0, 11 ); }
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void memset_zero_12 ( void *dest ) { memset ( dest, 0, 12 ); }
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void memset_zero_13 ( void *dest ) { memset ( dest, 0, 13 ); }
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void memset_zero_14 ( void *dest ) { memset ( dest, 0, 14 ); }
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void memset_zero_15 ( void *dest ) { memset ( dest, 0, 15 ); }
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void memset_zero_16 ( void *dest ) { memset ( dest, 0, 16 ); }
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void memset_zero_17 ( void *dest ) { memset ( dest, 0, 17 ); }
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void memset_zero_18 ( void *dest ) { memset ( dest, 0, 18 ); }
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void memset_zero_19 ( void *dest ) { memset ( dest, 0, 19 ); }
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void memset_zero_20 ( void *dest ) { memset ( dest, 0, 20 ); }
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void memset_zero_21 ( void *dest ) { memset ( dest, 0, 21 ); }
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void memset_zero_22 ( void *dest ) { memset ( dest, 0, 22 ); }
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void memset_zero_23 ( void *dest ) { memset ( dest, 0, 23 ); }
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void memset_zero_24 ( void *dest ) { memset ( dest, 0, 24 ); }
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void memset_zero_25 ( void *dest ) { memset ( dest, 0, 25 ); }
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void memset_zero_26 ( void *dest ) { memset ( dest, 0, 26 ); }
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void memset_zero_27 ( void *dest ) { memset ( dest, 0, 27 ); }
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void memset_zero_28 ( void *dest ) { memset ( dest, 0, 28 ); }
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void memset_zero_29 ( void *dest ) { memset ( dest, 0, 29 ); }
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void memset_zero_30 ( void *dest ) { memset ( dest, 0, 30 ); }
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void memset_zero_31 ( void *dest ) { memset ( dest, 0, 31 ); }
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/**
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* Force a call to the variable-length implementation of memset()
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*
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* @v dest Destination address
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* @v fill Fill pattern
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* @v len Length of data
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* @ret dest Destination address
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*/
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__attribute__ (( noinline )) void * memset_var ( void *dest, unsigned int fill,
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size_t len ) {
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return memset ( dest, fill, len );
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}
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/**
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* Perform a constant-length memset() test
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*
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* @v len Length of data
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*/
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#define MEMSET_TEST_CONSTANT( len ) do { \
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uint8_t dest_const[ 1 + len + 1 ]; \
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uint8_t dest_var[ 1 + len + 1 ]; \
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static uint8_t zero[len]; \
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unsigned int i; \
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\
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for ( i = 0 ; i < sizeof ( dest_const ) ; i++ ) \
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dest_const[i] = 0xaa; \
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memset ( ( dest_const + 1 ), 0, len ); \
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ok ( dest_const[0] == 0xaa ); \
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ok ( dest_const[ sizeof ( dest_const ) - 1 ] == 0xaa ); \
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ok ( memcmp ( ( dest_const + 1 ), zero, len ) == 0 ); \
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\
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for ( i = 0 ; i < sizeof ( dest_var ) ; i++ ) \
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dest_var[i] = 0xbb; \
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memset_var ( ( dest_var + 1 ), 0, len ); \
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ok ( dest_var[0] == 0xbb ); \
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ok ( dest_var[ sizeof ( dest_var ) - 1 ] == 0xbb ); \
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ok ( memcmp ( ( dest_var + 1 ), zero, len ) == 0 ); \
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} while ( 0 )
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/**
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* Perform memset() self-tests
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*
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*/
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static void memset_test_exec ( void ) {
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/* Constant-length tests */
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MEMSET_TEST_CONSTANT ( 0 );
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MEMSET_TEST_CONSTANT ( 1 );
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MEMSET_TEST_CONSTANT ( 2 );
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MEMSET_TEST_CONSTANT ( 3 );
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MEMSET_TEST_CONSTANT ( 4 );
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MEMSET_TEST_CONSTANT ( 5 );
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MEMSET_TEST_CONSTANT ( 6 );
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MEMSET_TEST_CONSTANT ( 7 );
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MEMSET_TEST_CONSTANT ( 8 );
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MEMSET_TEST_CONSTANT ( 9 );
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MEMSET_TEST_CONSTANT ( 10 );
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MEMSET_TEST_CONSTANT ( 11 );
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MEMSET_TEST_CONSTANT ( 12 );
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MEMSET_TEST_CONSTANT ( 13 );
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MEMSET_TEST_CONSTANT ( 14 );
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MEMSET_TEST_CONSTANT ( 15 );
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MEMSET_TEST_CONSTANT ( 16 );
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MEMSET_TEST_CONSTANT ( 17 );
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MEMSET_TEST_CONSTANT ( 18 );
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MEMSET_TEST_CONSTANT ( 19 );
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MEMSET_TEST_CONSTANT ( 20 );
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MEMSET_TEST_CONSTANT ( 21 );
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MEMSET_TEST_CONSTANT ( 22 );
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MEMSET_TEST_CONSTANT ( 23 );
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MEMSET_TEST_CONSTANT ( 24 );
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MEMSET_TEST_CONSTANT ( 25 );
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MEMSET_TEST_CONSTANT ( 26 );
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MEMSET_TEST_CONSTANT ( 27 );
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MEMSET_TEST_CONSTANT ( 28 );
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MEMSET_TEST_CONSTANT ( 29 );
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MEMSET_TEST_CONSTANT ( 30 );
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MEMSET_TEST_CONSTANT ( 31 );
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}
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/** memset() self-test */
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struct self_test memset_test __self_test = {
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.name = "memset",
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.exec = memset_test_exec,
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};
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