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Diffstat (limited to 'dwarfdump2/print_ranges.cc')
| -rw-r--r-- | dwarfdump2/print_ranges.cc | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/dwarfdump2/print_ranges.cc b/dwarfdump2/print_ranges.cc new file mode 100644 index 0000000..338cd31 --- /dev/null +++ b/dwarfdump2/print_ranges.cc @@ -0,0 +1,121 @@ +/* + Copyright (C) 2000-2006 Silicon Graphics, Inc. All Rights Reserved. + Portions Copyright 2007-2010 Sun Microsystems, Inc. All rights reserved. + Portions Copyright 2009-2010 SN Systems Ltd. All rights reserved. + Portions Copyright 2008-2011 David Anderson. All rights reserved. + + This program is free software; you can redistribute it and/or modify it + under the terms of version 2 of the GNU 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 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 + + + +$Header: /plroot/cmplrs.src/v7.4.5m/.RCS/PL/dwarfdump/RCS/print_sections.c,v 1.69 2006/04/17 00:09:56 davea Exp $ */ +/* The address of the Free Software Foundation is + Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, + Boston, MA 02110-1301, USA. + SGI has moved from the Crittenden Lane address. +*/ + +#include "globals.h" +#include <vector> +#include "naming.h" +#include "dwconf.h" + +#include "print_sections.h" +#include "print_frames.h" + +using std::string; +using std::cout; +using std::cerr; +using std::endl; + + +/* Get all the data in .debug_ranges + Nothing in the DWARF standard guarantees just reading the + bytes in the section really works, but it will probably + normally work fine. + Here we don't have a DW_AT_ranges offset to get us + started. + + Because we do not know what DIE is involved, if the + object being printed has different address sizes + in different compilation units this will not work + properly: anything could happen. +*/ + +extern void +print_ranges(Dwarf_Debug dbg) +{ + Dwarf_Unsigned off = 0; + int group_number = 0; + int wasdense = 0; + + error_message_data.current_section_id = DEBUG_RANGES; + if (!do_print_dwarf) { + return; + } + + cout << endl; + cout << ".debug_ranges" << endl; + /* Turn off dense, we do not want print_ranges_list_to_extra + to use dense form here. */ + wasdense = dense; + dense = 0; + for(;;) { + Dwarf_Ranges *rangeset = 0; + Dwarf_Signed rangecount = 0; + Dwarf_Unsigned bytecount = 0; + + // We do not know what DIE is involved, we use the + // older call here. + int rres = dwarf_get_ranges(dbg,off,&rangeset, + &rangecount,&bytecount,&err); + if(rres == DW_DLV_OK) { + cout <<" Ranges group " << group_number << ":" << endl; + string exprstring = + print_ranges_list_to_extra(dbg,off, + rangeset,rangecount,bytecount); + dwarf_ranges_dealloc(dbg,rangeset,rangecount); + cout << exprstring; + ++group_number; + } else if (rres == DW_DLV_NO_ENTRY) { + cout << "End of .debug_ranges." << endl; + break; + } else { + /* ERROR, which does not quite mean a real error, + as we might just be misaligned reading things without + a DW_AT_ranges offset.*/ + cout << "End of .debug_ranges.." << endl; + break; + } + off += bytecount; + } + dense = wasdense; +} + + |