File: print_strings.c

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dwarfutils 20201201-1
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/*
Copyright (C) 2000-2006 Silicon Graphics, Inc.  All Rights Reserved.
Portions Copyright 2007-2010 Sun Microsystems, Inc. All rights reserved.
Portions Copyright 2009-2012 SN Systems Ltd. All rights reserved.
Portions Copyright 2008-2012 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.

*/

#include "globals.h"
#include "naming.h"
#include "esb.h"
#include "esb_using_functions.h"
#include "sanitized.h"

#include "print_sections.h"

static void
print_sec_name(Dwarf_Debug dbg)
{
    struct esb_s truename;
    char buf[DWARF_SECNAME_BUFFER_SIZE];

    esb_constructor_fixed(&truename,buf,sizeof(buf));
    get_true_section_name(dbg,".debug_str",
        &truename,TRUE);
    printf("\n%s\n",sanitized(esb_get_string(&truename)));
    esb_destructor(&truename);
}

/* print data in .debug_str */
int
print_strings(Dwarf_Debug dbg,Dwarf_Error *err)
{
    Dwarf_Signed length = 0;
    char* name = 0;
    Dwarf_Off offset = 0;
    int sres = 0;
    unsigned loopct = 0;

    glflags.current_section_id = DEBUG_STR;
    for (loopct = 0;
        (sres = dwarf_get_str(dbg, offset, &name, &length, err))
            == DW_DLV_OK;
        ++loopct) {
        if (!loopct) {
            print_sec_name(dbg);
        }
        if (glflags.gf_display_offsets) {
            printf("name at offset 0x%" DW_PR_XZEROS DW_PR_DUx
                ", length %4" DW_PR_DSd " is '%s'\n",
                (Dwarf_Unsigned)offset, length, sanitized(name));
        } else {
            printf("name: length %4" DW_PR_DSd " is '%s'\n",
                length, sanitized(name));
        }
        offset += length + 1;
    }
    if (!loopct) {
        print_sec_name(dbg);
    }
    /*  An inability to find the section is not necessarily
        a real error, so do not report error unless we've
        seen a real record. */
    if (sres == DW_DLV_ERROR) {
        struct esb_s m;

        esb_constructor(&m);
        esb_append_printf_u(&m,
            "\nERROR: Getting a .debug_str section string failed "
            " at string number %u",loopct);
        esb_append_printf_u(&m,",section offset 0x%." DW_PR_DUx
            ".",offset);
        simple_err_only_return_action(sres,esb_get_string(&m));
        esb_destructor(&m);
    }
    return sres;
}