1178481Sjb/* 2178481Sjb * CDDL HEADER START 3178481Sjb * 4178481Sjb * The contents of this file are subject to the terms of the 5178481Sjb * Common Development and Distribution License, Version 1.0 only 6178481Sjb * (the "License"). You may not use this file except in compliance 7178481Sjb * with the License. 8178481Sjb * 9178481Sjb * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10178481Sjb * or http://www.opensolaris.org/os/licensing. 11178481Sjb * See the License for the specific language governing permissions 12178481Sjb * and limitations under the License. 13178481Sjb * 14178481Sjb * When distributing Covered Code, include this CDDL HEADER in each 15178481Sjb * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16178481Sjb * If applicable, add the following below this CDDL HEADER, with the 17178481Sjb * fields enclosed by brackets "[]" replaced with your own identifying 18178481Sjb * information: Portions Copyright [yyyy] [name of copyright owner] 19178481Sjb * 20178481Sjb * CDDL HEADER END 21178481Sjb */ 22178481Sjb/* 23178481Sjb * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24178481Sjb * Use is subject to license terms. 25178481Sjb */ 26178481Sjb 27178481Sjb#pragma ident "%Z%%M% %I% %E% SMI" 28178481Sjb 29178481Sjb#include <sys/types.h> 30178481Sjb#include <string.h> 31178481Sjb 32178481Sjb#include "symbol.h" 33178481Sjb 34178481Sjbint 35178481Sjbignore_symbol(GElf_Sym *sym, const char *name) 36178481Sjb{ 37178481Sjb uchar_t type = GELF_ST_TYPE(sym->st_info); 38178481Sjb 39178481Sjb /* 40178481Sjb * As an optimization, we do not output function or data object 41178481Sjb * records for undefined or anonymous symbols. 42178481Sjb */ 43178481Sjb if (sym->st_shndx == SHN_UNDEF || sym->st_name == 0) 44178481Sjb return (1); 45178481Sjb 46178481Sjb /* 47178481Sjb * _START_ and _END_ are added to the symbol table by the 48178481Sjb * linker, and will never have associated type information. 49178481Sjb */ 50178481Sjb if (strcmp(name, "_START_") == 0 || strcmp(name, "_END_") == 0) 51178481Sjb return (1); 52178481Sjb 53178481Sjb /* 54178481Sjb * Do not output records for absolute-valued object symbols 55178481Sjb * that have value zero. The compiler insists on generating 56178481Sjb * things like this for __fsr_init_value settings, etc. 57178481Sjb */ 58178481Sjb if (type == STT_OBJECT && sym->st_shndx == SHN_ABS && 59178481Sjb sym->st_value == 0) 60178481Sjb return (1); 61178481Sjb return (0); 62178481Sjb} 63