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/*
* HT Editor
* htleent.cc
*
* Copyright (C) 1999-2002 Stefan Weyergraf
*
* 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 "atom.h"
#include "htnewexe.h"
#include "htle.h"
#include "htlehead.h"
#include "httag.h"
#include "formats.h"
#include "snprintf.h"
#include "lestruct.h"
/* entry bundle */
static ht_tag_flags_s le_entry_bundle_flags[] =
{
{-1, "LE - entrypoint bundle flags"},
{0, "[00] valid"},
{1, "[01] 32bit (16bit otherwise)"},
{0, 0}
};
static ht_mask_ptable le_entry_bundle_header[]=
{
{"number of entries", STATICTAG_EDIT_BYTE("00000000")},
{"bundle flags", STATICTAG_EDIT_BYTE("00000001")" "STATICTAG_FLAGS("00000001", ATOM_LE_ENTRY_BUNDLE_FLAGS_STR)},
{"object index", STATICTAG_EDIT_WORD_LE("00000002")},
{0,0}
};
/* entry */
static ht_tag_flags_s le_entry_flags[] =
{
{-1, "LE - entrypoint flags"},
{0, "[00] exported"},
{1, "[01] uses shared segment"},
{0, 0}
};
static ht_mask_ptable le_entry16[]=
{
{"flags", STATICTAG_EDIT_BYTE("00000000")" "STATICTAG_FLAGS("00000000", ATOM_LE_ENTRY_FLAGS_STR)},
{"offset", STATICTAG_EDIT_WORD_LE("00000001")},
{0, 0}
};
static ht_mask_ptable le_entry32[]=
{
{"flags", STATICTAG_EDIT_BYTE("00000000")" "STATICTAG_FLAGS("00000000", ATOM_LE_ENTRY_FLAGS_STR)},
{"offset", STATICTAG_EDIT_DWORD_LE("00000001")},
{0, 0}
};
static ht_view *htleentrypoints_init(Bounds *b, File *file, ht_format_group *group)
{
ht_le_shared_data *le_shared=(ht_le_shared_data *)group->get_shared_data();
int h=le_shared->hdr_ofs;
ht_uformat_viewer *v=new ht_uformat_viewer();
v->init(b, DESC_LE_ENTRYPOINTS, VC_EDIT | VC_SEARCH, file, group);
ht_mask_sub *m=new ht_mask_sub();
m->init(file, 0);
registerAtom(ATOM_LE_ENTRY_FLAGS, le_entry_flags);
registerAtom(ATOM_LE_ENTRY_BUNDLE_FLAGS, le_entry_bundle_flags);
char info[128];
ht_snprintf(info, sizeof info, "* LE entry header at offset 0x%08qx", h+le_shared->hdr.enttab);
/* FIXME: false */
bool le_bigendian = false;
m->add_mask(info);
m->add_staticmask_ptable(le_entry_bundle_header, h+le_shared->hdr.enttab, le_bigendian);
v->insertsub(m);
FileOfs o=h+le_shared->hdr.enttab;
while (1) {
char t[32];
LE_ENTRYPOINT_BUNDLE hdr;
hdr.entry_count=0;
file->seek(o);
o+=file->read(&hdr, sizeof hdr);
if (!hdr.entry_count) break;
const char *flags_str;
if (hdr.flags & LE_ENTRYPOINT_BUNDLE_32BIT) {
flags_str="32-bit";
} else {
flags_str="16-bit";
}
for (int i=0; i<hdr.entry_count; i++) {
m=new ht_mask_sub();
m->init(file, i);
if (hdr.flags & LE_ENTRYPOINT_BUNDLE_32BIT) {
m->add_staticmask_ptable(le_entry32, o, le_bigendian);
o+=1+4;
} else {
m->add_staticmask_ptable(le_entry16, o, le_bigendian);
o+=1+2;
}
ht_snprintf(t, sizeof t, "--- entry %d (%s) ---", i+1, flags_str);
ht_collapsable_sub *cs=new ht_collapsable_sub();
cs->init(file, m, 1, t, 1);
v->insertsub(cs);
}
}
return v;
}
format_viewer_if htleentrypoints_if = {
htleentrypoints_init,
0
};
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