From bc1f688b4872ace323eaddbb1a6365d054e7bf56 Mon Sep 17 00:00:00 2001 From: Robert Mustacchi Date: Thu, 17 Jan 2019 17:50:46 +0000 Subject: 6885 CTF Everywhere Part 1 6886 Want ctfdiff 6887 ctfdump should be written in terms of libctf 6888 ctfmerge should be implemented in terms of libctf 6889 ctfconvert should be implemented in terms of libctf 6890 Want general workq 6891 Want general mergeq 6892 ctf_add_encoded assigns() incorrect byte size to types 6893 ctf_add_{struct,union,enum} can reuse forwards 6894 ctf_add_{struct,union,enum} occasionally forget to dirty the ctf_file_t 6895 ctf_add_member could better handle bitfields 6896 ctf_type_size() reports wrong size for forwards 6897 Want libctf ctf_kind_name() function 6898 Want libctf function to set struct/union size Portions contributed by: John Levon Portions contributed by: Richard Lowe Reviewed by: John Levon Reviewed by: Andy Fiddaman Reviewed by: Gergő Doma Approved by: Dan McDonald MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- usr/src/lib/libdwarf/common/dwarf_string.c | 79 ++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 usr/src/lib/libdwarf/common/dwarf_string.c (limited to 'usr/src/lib/libdwarf/common/dwarf_string.c') diff --git a/usr/src/lib/libdwarf/common/dwarf_string.c b/usr/src/lib/libdwarf/common/dwarf_string.c new file mode 100644 index 0000000000..fafa5a097c --- /dev/null +++ b/usr/src/lib/libdwarf/common/dwarf_string.c @@ -0,0 +1,79 @@ +/* + + Copyright (C) 2000-2004 Silicon Graphics, Inc. All Rights Reserved. + Portions Copyright (C) 2009-2010 David Anderson. All Rights Reserved. + + This program is free software; you can redistribute it and/or modify it + under the terms of version 2.1 of the GNU Lesser General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it would be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + + Further, this software is distributed without any warranty that it is + free of the rightful claim of any third person regarding infringement + or the like. Any license provided herein, whether implied or + otherwise, applies only to this software file. Patent licenses, if + any, provided herein do not apply to combinations of this program with + other software, or any other product whatsoever. + + You should have received a copy of the GNU Lesser General Public + License along with this program; if not, write the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301, + USA. + + Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane, + Mountain View, CA 94043, or: + + http://www.sgi.com + + For further information regarding this notice, see: + + http://oss.sgi.com/projects/GenInfo/NoticeExplan + +*/ + + + +#include "config.h" +#include "dwarf_incl.h" + +int +dwarf_get_str(Dwarf_Debug dbg, + Dwarf_Off offset, + char **string, + Dwarf_Signed * returned_str_len, Dwarf_Error * error) +{ + int res = DW_DLV_ERROR; + + if (dbg == NULL) { + _dwarf_error(NULL, error, DW_DLE_DBG_NULL); + return (DW_DLV_ERROR); + } + + if (offset == dbg->de_debug_str.dss_size) { + /* Normal (if we've iterated thru the set of strings using + dwarf_get_str and are at the end). */ + return DW_DLV_NO_ENTRY; + } + if (offset > dbg->de_debug_str.dss_size) { + _dwarf_error(dbg, error, DW_DLE_DEBUG_STR_OFFSET_BAD); + return (DW_DLV_ERROR); + } + + if (string == NULL) { + _dwarf_error(dbg, error, DW_DLE_STRING_PTR_NULL); + return (DW_DLV_ERROR); + } + + res = _dwarf_load_section(dbg, &dbg->de_debug_str,error); + if (res != DW_DLV_OK) { + return res; + } + + *string = (char *) dbg->de_debug_str.dss_data + offset; + + *returned_str_len = (strlen(*string)); + return DW_DLV_OK; +} -- cgit v1.2.3