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/* Copyright (C) 1998-2002, 2004, 2006, 2012, 2015 Red Hat, Inc.
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This file is part of elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 1998.
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This file is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <config.h>
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#include <dwarf.h>
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#include <inttypes.h>
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#include <libelf.h>
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#include ELFUTILS_HEADER(dw)
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "../libdw/known-dwarf.h"
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static const char *
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dwarf_tag_string (unsigned int tag)
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{
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switch (tag)
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{
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#define DWARF_ONE_KNOWN_DW_TAG(NAME, CODE) case CODE: return #NAME;
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DWARF_ALL_KNOWN_DW_TAG
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#undef DWARF_ONE_KNOWN_DW_TAG
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default:
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return NULL;
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}
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}
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static const char *
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dwarf_attr_string (unsigned int attrnum)
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{
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switch (attrnum)
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{
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#define DWARF_ONE_KNOWN_DW_AT(NAME, CODE) case CODE: return #NAME;
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DWARF_ALL_KNOWN_DW_AT
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#undef DWARF_ONE_KNOWN_DW_AT
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default:
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return NULL;
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}
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}
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void
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handle (Dwarf *dbg, Dwarf_Die *die, int n)
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{
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Dwarf_Die child;
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unsigned int tag;
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const char *str;
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char buf[30];
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const char *name;
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Dwarf_Off off;
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Dwarf_Off cuoff;
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size_t cnt;
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Dwarf_Addr addr;
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int i;
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tag = dwarf_tag (die);
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if (tag != DW_TAG_invalid)
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{
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str = dwarf_tag_string (tag);
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if (str == NULL)
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{
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snprintf (buf, sizeof buf, "%#x", tag);
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str = buf;
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}
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}
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else
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str = "* NO TAG *";
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name = dwarf_diename (die);
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if (name == 0)
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name = "* NO NAME *";
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off = dwarf_dieoffset (die);
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cuoff = dwarf_cuoffset (die);
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printf ("%*sDW_TAG_%s\n", n * 5, "", str);
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printf ("%*s Name : %s\n", n * 5, "", name);
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printf ("%*s Offset : %lld\n", n * 5, "", (long long int) off);
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printf ("%*s CU offset : %lld\n", n * 5, "", (long long int) cuoff);
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printf ("%*s Attrs :", n * 5, "");
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for (cnt = 0; cnt < 0xffff; ++cnt)
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if (dwarf_hasattr (die, cnt))
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printf (" %s", dwarf_attr_string (cnt));
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puts ("");
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if (dwarf_hasattr (die, DW_AT_low_pc) && dwarf_lowpc (die, &addr) == 0)
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{
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Dwarf_Attribute attr;
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Dwarf_Addr addr2;
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printf ("%*s low PC : %#llx\n",
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n * 5, "", (unsigned long long int) addr);
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if (dwarf_attr (die, DW_AT_low_pc, &attr) == NULL
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|| dwarf_formaddr (&attr, &addr2) != 0
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|| addr != addr2)
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puts ("************* DW_AT_low_pc verify failed ************");
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else if (! dwarf_hasform (&attr, DW_FORM_addr))
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puts ("************* DW_AT_low_pc form failed ************");
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else if (dwarf_whatform (&attr) != DW_FORM_addr)
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puts ("************* DW_AT_low_pc form (2) failed ************");
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else if (dwarf_whatattr (&attr) != DW_AT_low_pc)
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puts ("************* DW_AT_low_pc attr failed ************");
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}
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if (dwarf_hasattr (die, DW_AT_high_pc) && dwarf_highpc (die, &addr) == 0)
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{
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Dwarf_Attribute attr;
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Dwarf_Addr addr2;
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printf ("%*s high PC : %#llx\n",
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n * 5, "", (unsigned long long int) addr);
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if (dwarf_attr (die, DW_AT_high_pc, &attr) == NULL
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|| dwarf_formaddr (&attr, &addr2) != 0
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|| addr != addr2)
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puts ("************* DW_AT_high_pc verify failed ************");
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else if (! dwarf_hasform (&attr, DW_FORM_addr))
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puts ("************* DW_AT_high_pc form failed ************");
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else if (dwarf_whatform (&attr) != DW_FORM_addr)
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puts ("************* DW_AT_high_pc form (2) failed ************");
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else if (dwarf_whatattr (&attr) != DW_AT_high_pc)
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puts ("************* DW_AT_high_pc attr failed ************");
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}
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if (dwarf_hasattr (die, DW_AT_byte_size) && (i = dwarf_bytesize (die)) != -1)
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{
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Dwarf_Attribute attr;
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Dwarf_Word u2;
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unsigned int u;
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printf ("%*s byte size : %d\n", n * 5, "", i);
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if (dwarf_attr (die, DW_AT_byte_size, &attr) == NULL
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|| dwarf_formudata (&attr, &u2) != 0
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|| i != (int) u2)
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puts ("************* DW_AT_byte_size verify failed ************");
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else if (! dwarf_hasform (&attr, DW_FORM_data1)
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&& ! dwarf_hasform (&attr, DW_FORM_data2)
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&& ! dwarf_hasform (&attr, DW_FORM_data4)
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&& ! dwarf_hasform (&attr, DW_FORM_data8)
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&& ! dwarf_hasform (&attr, DW_FORM_sdata)
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&& ! dwarf_hasform (&attr, DW_FORM_udata))
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puts ("************* DW_AT_byte_size form failed ************");
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else if ((u = dwarf_whatform (&attr)) == 0
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|| (u != DW_FORM_data1
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&& u != DW_FORM_data2
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&& u != DW_FORM_data4
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&& u != DW_FORM_data8
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&& u != DW_FORM_sdata
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&& u != DW_FORM_udata))
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puts ("************* DW_AT_byte_size form (2) failed ************");
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else if (dwarf_whatattr (&attr) != DW_AT_byte_size)
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puts ("************* DW_AT_byte_size attr failed ************");
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}
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if (dwarf_hasattr (die, DW_AT_bit_size) && (i = dwarf_bitsize (die)) != -1)
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{
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Dwarf_Attribute attr;
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Dwarf_Word u2;
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unsigned int u;
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printf ("%*s bit size : %d\n", n * 5, "", i);
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if (dwarf_attr (die, DW_AT_bit_size, &attr) == NULL
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|| dwarf_formudata (&attr, &u2) != 0
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|| i != (int) u2)
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puts ("************* DW_AT_bit_size test failed ************");
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else if (! dwarf_hasform (&attr, DW_FORM_data1)
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&& ! dwarf_hasform (&attr, DW_FORM_data2)
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&& ! dwarf_hasform (&attr, DW_FORM_data4)
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&& ! dwarf_hasform (&attr, DW_FORM_data8)
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&& ! dwarf_hasform (&attr, DW_FORM_sdata)
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&& ! dwarf_hasform (&attr, DW_FORM_udata))
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puts ("************* DW_AT_bit_size form failed ************");
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else if ((u = dwarf_whatform (&attr)) == 0
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|| (u != DW_FORM_data1
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&& u != DW_FORM_data2
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&& u != DW_FORM_data4
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&& u != DW_FORM_data8
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&& u != DW_FORM_sdata
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&& u != DW_FORM_udata))
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puts ("************* DW_AT_bit_size form (2) failed ************");
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else if (dwarf_whatattr (&attr) != DW_AT_bit_size)
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puts ("************* DW_AT_bit_size attr failed ************");
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}
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if (dwarf_hasattr (die, DW_AT_bit_offset)
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&& (i = dwarf_bitoffset (die)) != -1)
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{
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Dwarf_Attribute attr;
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Dwarf_Word u2;
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unsigned int u;
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printf ("%*s bit offset: %d\n", n * 5, "", i);
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if (dwarf_attr (die, DW_AT_bit_offset, &attr) == NULL
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|| dwarf_formudata (&attr, &u2) != 0
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|| i != (int) u2)
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puts ("************* DW_AT_bit_offset test failed ************");
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else if (! dwarf_hasform (&attr, DW_FORM_data1)
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&& ! dwarf_hasform (&attr, DW_FORM_data2)
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&& ! dwarf_hasform (&attr, DW_FORM_data4)
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&& ! dwarf_hasform (&attr, DW_FORM_data8)
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&& ! dwarf_hasform (&attr, DW_FORM_sdata)
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&& ! dwarf_hasform (&attr, DW_FORM_udata))
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puts ("************* DW_AT_bit_offset form failed ************");
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else if ((u = dwarf_whatform (&attr)) == 0
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|| (u != DW_FORM_data1
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&& u != DW_FORM_data2
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&& u != DW_FORM_data4
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&& u != DW_FORM_data8
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&& u != DW_FORM_sdata
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&& u != DW_FORM_udata))
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puts ("************* DW_AT_bit_offset form (2) failed ************");
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else if (dwarf_whatattr (&attr) != DW_AT_bit_offset)
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puts ("************* DW_AT_bit_offset attr failed ************");
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}
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if (dwarf_hasattr (die, DW_AT_language) && (i = dwarf_srclang (die)) != -1)
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{
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Dwarf_Attribute attr;
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Dwarf_Word u2;
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unsigned int u;
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printf ("%*s language : %d\n", n * 5, "", i);
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if (dwarf_attr (die, DW_AT_language, &attr) == NULL
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|| dwarf_formudata (&attr, &u2) != 0
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|| i != (int) u2)
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puts ("************* DW_AT_language test failed ************");
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else if (! dwarf_hasform (&attr, DW_FORM_data1)
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&& ! dwarf_hasform (&attr, DW_FORM_data2)
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&& ! dwarf_hasform (&attr, DW_FORM_data4)
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&& ! dwarf_hasform (&attr, DW_FORM_data8)
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&& ! dwarf_hasform (&attr, DW_FORM_sdata)
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&& ! dwarf_hasform (&attr, DW_FORM_udata))
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puts ("************* DW_AT_language form failed ************");
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else if ((u = dwarf_whatform (&attr)) == 0
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|| (u != DW_FORM_data1
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&& u != DW_FORM_data2
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&& u != DW_FORM_data4
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&& u != DW_FORM_data8
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&& u != DW_FORM_sdata
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&& u != DW_FORM_udata))
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puts ("************* DW_AT_language form (2) failed ************");
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else if (dwarf_whatattr (&attr) != DW_AT_language)
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puts ("************* DW_AT_language attr failed ************");
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}
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if (dwarf_hasattr (die, DW_AT_ordering)
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&& (i = dwarf_arrayorder (die)) != -1)
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{
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Dwarf_Attribute attr;
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Dwarf_Word u2;
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unsigned int u;
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printf ("%*s ordering : %d\n", n * 5, "", i);
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if (dwarf_attr (die, DW_AT_ordering, &attr) == NULL
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|| dwarf_formudata (&attr, &u2) != 0
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|| i != (int) u2)
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puts ("************* DW_AT_ordering test failed ************");
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else if (! dwarf_hasform (&attr, DW_FORM_data1)
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&& ! dwarf_hasform (&attr, DW_FORM_data2)
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&& ! dwarf_hasform (&attr, DW_FORM_data4)
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&& ! dwarf_hasform (&attr, DW_FORM_data8)
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&& ! dwarf_hasform (&attr, DW_FORM_sdata)
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&& ! dwarf_hasform (&attr, DW_FORM_udata))
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puts ("************* DW_AT_ordering failed ************");
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else if ((u = dwarf_whatform (&attr)) == 0
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|| (u != DW_FORM_data1
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&& u != DW_FORM_data2
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&& u != DW_FORM_data4
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&& u != DW_FORM_data8
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&& u != DW_FORM_sdata
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&& u != DW_FORM_udata))
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puts ("************* DW_AT_ordering form (2) failed ************");
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else if (dwarf_whatattr (&attr) != DW_AT_ordering)
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puts ("************* DW_AT_ordering attr failed ************");
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}
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Packit Service |
97d2fb |
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Packit Service |
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if (dwarf_hasattr (die, DW_AT_comp_dir))
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{
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Dwarf_Attribute attr;
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if (dwarf_attr (die, DW_AT_comp_dir, &attr) == NULL
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|| (name = dwarf_formstring (&attr)) == NULL)
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puts ("************* DW_AT_comp_dir attr failed ************");
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else
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printf ("%*s directory : %s\n", n * 5, "", name);
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}
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97d2fb |
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97d2fb |
if (dwarf_hasattr (die, DW_AT_producer))
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{
|
|
Packit Service |
97d2fb |
Dwarf_Attribute attr;
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Packit Service |
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if (dwarf_attr (die, DW_AT_producer, &attr) == NULL
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|| (name = dwarf_formstring (&attr)) == NULL)
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puts ("************* DW_AT_comp_dir attr failed ************");
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else
|
|
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printf ("%*s producer : %s\n", n * 5, "", name);
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|
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}
|
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97d2fb |
|
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if (dwarf_haschildren (die) != 0 && dwarf_child (die, &child) == 0)
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|
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handle (dbg, &child, n + 1);
|
|
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if (dwarf_siblingof (die, die) == 0)
|
|
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handle (dbg, die, n);
|
|
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}
|
|
Packit Service |
97d2fb |
|
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Packit Service |
97d2fb |
|
|
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97d2fb |
int
|
|
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97d2fb |
main (int argc, char *argv[])
|
|
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97d2fb |
{
|
|
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97d2fb |
int cnt;
|
|
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97d2fb |
|
|
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97d2fb |
for (cnt = 1; cnt < argc; ++cnt)
|
|
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97d2fb |
{
|
|
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97d2fb |
int fd = open (argv[cnt], O_RDONLY);
|
|
Packit Service |
97d2fb |
Dwarf *dbg;
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
printf ("file: %s\n", basename (argv[cnt]));
|
|
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97d2fb |
|
|
Packit Service |
97d2fb |
dbg = dwarf_begin (fd, DWARF_C_READ);
|
|
Packit Service |
97d2fb |
if (dbg == NULL)
|
|
Packit Service |
97d2fb |
{
|
|
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97d2fb |
printf ("%s not usable\n", argv[cnt]);
|
|
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97d2fb |
close (fd);
|
|
Packit Service |
97d2fb |
continue;
|
|
Packit Service |
97d2fb |
}
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
Dwarf_Off off = 0;
|
|
Packit Service |
97d2fb |
Dwarf_Off old_off = 0;
|
|
Packit Service |
97d2fb |
size_t hsize;
|
|
Packit Service |
97d2fb |
Dwarf_Off abbrev;
|
|
Packit Service |
97d2fb |
uint8_t addresssize;
|
|
Packit Service |
97d2fb |
uint8_t offsetsize;
|
|
Packit Service |
97d2fb |
while (dwarf_nextcu (dbg, off, &off, &hsize, &abbrev, &addresssize,
|
|
Packit Service |
97d2fb |
&offsetsize) == 0)
|
|
Packit Service |
97d2fb |
{
|
|
Packit Service |
97d2fb |
printf ("New CU: off = %llu, hsize = %zu, ab = %llu, as = %" PRIu8
|
|
Packit Service |
97d2fb |
", os = %" PRIu8 "\n",
|
|
Packit Service |
97d2fb |
(unsigned long long int) old_off, hsize,
|
|
Packit Service |
97d2fb |
(unsigned long long int) abbrev, addresssize,
|
|
Packit Service |
97d2fb |
offsetsize);
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
Dwarf_Die die;
|
|
Packit Service |
97d2fb |
if (dwarf_offdie (dbg, old_off + hsize, &die) != NULL)
|
|
Packit Service |
97d2fb |
handle (dbg, &die, 1);
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
old_off = off;
|
|
Packit Service |
97d2fb |
}
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
dwarf_end (dbg);
|
|
Packit Service |
97d2fb |
close (fd);
|
|
Packit Service |
97d2fb |
}
|
|
Packit Service |
97d2fb |
|
|
Packit Service |
97d2fb |
return 0;
|
|
Packit Service |
97d2fb |
}
|