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/*
* HT Editor
* htelfshs.cc
*
* Copyright (C) 1999, 2000, 2001 Stefan Weyergraf (stefan@weyergraf.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "elfstruc.h"
#include "htatom.h"
#include "htelf.h"
#include "htelfshs.h"
#include "httag.h"
#include "formats.h"
#include <stdlib.h>
ht_mask_ptable elfsectionheader32[]=
{
{"name string index", STATICTAG_EDIT_DWORD_VE("00000000")},
{"type", STATICTAG_EDIT_DWORD_VE("00000004")" ("STATICTAG_DESC_DWORD_VE("00000004", ATOM_ELF_SH_TYPE_STR)")"},
{"flags", STATICTAG_EDIT_DWORD_VE("00000008")" "STATICTAG_FLAGS("00000008", ATOM_ELF_SH_FLAGS_STR)},
{"address", STATICTAG_EDIT_DWORD_VE("0000000c")},
{"offset", STATICTAG_EDIT_DWORD_VE("00000010")},
{"size", STATICTAG_EDIT_DWORD_VE("00000014")},
{"link", STATICTAG_EDIT_DWORD_VE("00000018")},
{"info", STATICTAG_EDIT_DWORD_VE("0000001c")},
{"alignment", STATICTAG_EDIT_DWORD_VE("00000020")},
{"entsize", STATICTAG_EDIT_DWORD_VE("00000024")},
{0, 0}
};
ht_mask_ptable elfsectionheader64[]=
{
{"name string index", STATICTAG_EDIT_DWORD_VE("00000000")},
{"type", STATICTAG_EDIT_DWORD_VE("00000004")" ("STATICTAG_DESC_DWORD_VE("00000004", ATOM_ELF_SH_TYPE_STR)")"},
{"flags", STATICTAG_EDIT_QWORD_VE("00000008")" "STATICTAG_FLAGS("00000008", ATOM_ELF_SH_FLAGS_STR)},
{"address", STATICTAG_EDIT_QWORD_VE("00000010")},
{"offset", STATICTAG_EDIT_QWORD_VE("00000018")},
{"size", STATICTAG_EDIT_QWORD_VE("00000020")},
{"link", STATICTAG_EDIT_QWORD_VE("00000028")},
{"info", STATICTAG_EDIT_QWORD_VE("00000030")},
{"alignment", STATICTAG_EDIT_DWORD_VE("00000038")},
{"entsize", STATICTAG_EDIT_DWORD_VE("0000003c")},
{0, 0}
};
int_hash elf_sh_type[] =
{
{ELF_SHT_NULL, "null"},
{ELF_SHT_PROGBITS, "progbits"},
{ELF_SHT_SYMTAB, "symbol table"},
{ELF_SHT_STRTAB, "string table"},
{ELF_SHT_RELA, "relocation table + addends"},
{ELF_SHT_HASH, "symbol hash table"},
{ELF_SHT_DYNAMIC, "dynamic linking information"},
{ELF_SHT_NOTE, "note"},
{ELF_SHT_NOBITS, "nobits"},
{ELF_SHT_REL, "relocation table"},
{ELF_SHT_SHLIB, "shlib"},
{ELF_SHT_DYNSYM, "dynamic linking symbol table"},
{ELF_SHT_INIT_ARRAY, "init array"},
{ELF_SHT_FINI_ARRAY, "fini array"},
{ELF_SHT_PREINIT_ARRAY, "preinit array"},
{0, 0}
};
ht_tag_flags_s elf_sh_flags[] =
{
{0, "[00] writable"},
{1, "[01] alloc"},
{2, "[02] executable"},
{3, "[03] merge"},
{4, "[04] strings"},
{5, "[05] info link"},
{6, "[06] link order"},
{7, "[07] OS non-conforming"},
{0, 0}
};
ht_view *htelfsectionheaders_init(bounds *b, ht_streamfile *file, ht_format_group *group)
{
ht_elf_shared_data *elf_shared=(ht_elf_shared_data *)group->get_shared_data();
ht_uformat_viewer *v = NULL;
bool elf_bigendian = elf_shared->ident.e_ident[ELF_EI_DATA]==ELFDATA2MSB;
if (elf_shared->ident.e_ident[ELF_EI_CLASS]==ELFCLASS32) {
v=new ht_uformat_viewer();
v->init(b, DESC_ELF_SECTION_HEADERS, VC_EDIT, file, group);
register_atom(ATOM_ELF_SH_TYPE, elf_sh_type);
register_atom(ATOM_ELF_SH_FLAGS, elf_sh_flags);
FILEOFS h=elf_shared->header32.e_shoff;
ht_mask_sub *m=new ht_mask_sub();
m->init(file, 0);
char info[128];
sprintf(info, "* ELF section headers at offset %08x", h);
m->add_mask(info);
v->insertsub(m);
elf_shared->shnames = (char**)malloc(elf_shared->sheaders.count * sizeof *elf_shared->shnames);
FILEOFS so=elf_shared->sheaders.sheaders32[elf_shared->header32.e_shstrndx].sh_offset;
for (UINT i=0; i<elf_shared->sheaders.count; i++) {
ht_mask_sub *n=new ht_mask_sub();
n->init(file, i);
file->seek(so+elf_shared->sheaders.sheaders32[i].sh_name);
char *s = fgetstrz(file);
char t[1024];
sprintf(t, "section %d: %s", i, s);
elf_shared->shnames[i] = s;
n->add_staticmask_ptable(elfsectionheader32, h+i*elf_shared->header32.e_shentsize, elf_bigendian);
ht_collapsable_sub *cn=new ht_collapsable_sub();
cn->init(file, n, 1, t, 1);
v->insertsub(cn);
}
} else if (elf_shared->ident.e_ident[ELF_EI_CLASS]==ELFCLASS64) {
v=new ht_uformat_viewer();
v->init(b, DESC_ELF_SECTION_HEADERS, VC_EDIT, file, group);
register_atom(ATOM_ELF_SH_TYPE, elf_sh_type);
register_atom(ATOM_ELF_SH_FLAGS, elf_sh_flags);
/* FIXME: 64-bit */
FILEOFS h = elf_shared->header64.e_shoff.lo;
ht_mask_sub *m=new ht_mask_sub();
m->init(file, 0);
char info[128];
sprintf(info, "* ELF section headers at offset %08x", h);
m->add_mask(info);
v->insertsub(m);
elf_shared->shnames=(char**)malloc(elf_shared->sheaders.count * sizeof *elf_shared->shnames);
/* FIXME: 64-bit */
FILEOFS so=elf_shared->sheaders.sheaders64[elf_shared->header64.e_shstrndx].sh_offset.lo;
for (UINT i=0; i<elf_shared->sheaders.count; i++) {
ht_mask_sub *n=new ht_mask_sub();
n->init(file, i);
file->seek(so+elf_shared->sheaders.sheaders64[i].sh_name);
char *s=fgetstrz(file);
char t[1024];
sprintf(t, "section %d: %s", i, s);
elf_shared->shnames[i]=s;
n->add_staticmask_ptable(elfsectionheader64, h+i*elf_shared->header64.e_shentsize, elf_bigendian);
ht_collapsable_sub *cn=new ht_collapsable_sub();
cn->init(file, n, 1, t, 1);
v->insertsub(cn);
}
}
return v;
}
format_viewer_if htelfsectionheaders_if = {
htelfsectionheaders_init,
0
};
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