1 /* Determine fill pattern for a section. 2 Copyright (C) 2002 Red Hat, Inc. 3 Written by Ulrich Drepper <drepper (at) redhat.com>, 2002. 4 5 This program is Open Source software; you can redistribute it and/or 6 modify it under the terms of the Open Software License version 1.0 as 7 published by the Open Source Initiative. 8 9 You should have received a copy of the Open Software License along 10 with this program; if not, you may obtain a copy of the Open Software 11 License version 1.0 from http://www.opensource.org/licenses/osl.php or 12 by writing the Open Source Initiative c/o Lawrence Rosen, Esq., 13 3001 King Ranch Road, Ukiah, CA 95482. */ 14 15 #ifdef HAVE_CONFIG_H 16 # include <config.h> 17 #endif 18 19 #include <stdlib.h> 20 #include <string.h> 21 22 #include <libasmP.h> 23 #include <system.h> 24 25 26 int 27 asm_fill (asmscn, bytes, len) 28 AsmScn_t *asmscn; 29 void *bytes; 30 size_t len; 31 { 32 struct FillPattern *pattern; 33 struct FillPattern *old_pattern; 34 35 if (asmscn == NULL) 36 /* Some earlier error. */ 37 return -1; 38 39 if (bytes == NULL) 40 /* Use the default pattern. */ 41 pattern = (struct FillPattern *) __libasm_default_pattern; 42 else 43 { 44 /* Allocate appropriate memory. */ 45 pattern = (struct FillPattern *) malloc (sizeof (struct FillPattern) 46 + len); 47 if (pattern == NULL) 48 return -1; 49 50 pattern->len = len; 51 memcpy (pattern->bytes, bytes, len); 52 } 53 54 old_pattern = asmscn->pattern; 55 asmscn->pattern = pattern; 56 57 /* Free the old data structure if we have allocated it. */ 58 if (old_pattern != __libasm_default_pattern) 59 free (old_pattern); 60 61 return 0; 62 } 63