1 #define NO_OBSOLETE_FUNCS
14 #define IS_START(w, y) !strncmp(w, y, strlen(y))
15 #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
17 // non-local branch targets
18 static ea_t *nonlocal_bt;
19 static int nonlocal_bt_alloc;
20 static int nonlocal_bt_cnt;
22 //--------------------------------------------------------------------------
23 static int idaapi init(void)
28 //--------------------------------------------------------------------------
29 static void idaapi term(void)
31 if (nonlocal_bt != NULL) {
35 nonlocal_bt_alloc = 0;
38 //--------------------------------------------------------------------------
40 static const char *reserved_names[] = {
48 static int is_name_reserved(const char *name)
51 for (i = 0; i < ARRAY_SIZE(reserved_names); i++)
52 if (strcasecmp(name, reserved_names[i]) == 0)
58 static int nonlocal_bt_cmp(const void *p1, const void *p2)
60 const ea_t *e1 = (const ea_t *)p1, *e2 = (const ea_t *)p2;
64 static void nonlocal_add(ea_t ea)
66 if (nonlocal_bt_cnt >= nonlocal_bt_alloc) {
67 nonlocal_bt_alloc += nonlocal_bt_alloc * 2 + 64;
68 nonlocal_bt = (ea_t *)realloc(nonlocal_bt,
69 nonlocal_bt_alloc * sizeof(nonlocal_bt[0]));
70 if (nonlocal_bt == NULL) {
75 nonlocal_bt[nonlocal_bt_cnt++] = ea;
78 // is instruction a (un)conditional jump (not call)?
79 static int is_insn_jmp(uint16 itype)
81 return itype == NN_jmp || (NN_ja <= itype && itype <= NN_jz);
84 static void do_def_line(char *buf, size_t buf_size, const char *line,
91 tag_remove(line, buf, buf_size); // remove color codes
97 memmove(buf, buf + 9, len - 9 + 1); // rm address
100 while (*p && *p != ' ' && *p != ':')
103 ea_ret = (ea_t *)bsearch(&ea, nonlocal_bt, nonlocal_bt_cnt,
104 sizeof(nonlocal_bt[0]), nonlocal_bt_cmp);
107 msg("no trailing blank in '%s'\n", buf);
114 static void idaapi run(int /*arg*/)
116 // isEnabled(ea) // address belongs to disassembly
117 // ea_t ea = get_screen_ea();
118 // foo = DecodeInstruction(ScreenEA());
126 ea_t ui_ea_block = 0, ea_size;
127 ea_t tmp_ea, target_ea;
137 // get rid of structs, masm doesn't understand them
138 idx = get_first_struc_idx();
139 while (idx != BADNODE) {
140 tid_t tid = get_struc_by_idx(idx);
141 struc_t *struc = get_struc(tid);
142 get_struc_name(tid, buf, sizeof(buf));
143 msg("removing struct '%s'\n", buf);
144 //del_struc_members(struc, 0, get_max_offset(struc));
147 idx = get_first_struc_idx();
150 // 1st pass: walk through all funcs
151 func = get_func(inf.minEA);
154 func_tail_iterator_t fti(func);
156 msg("%x: func_tail_iterator_t main failed\n", ea);
159 const area_t &f_area = fti.chunk();
162 // rename global syms which conflict with frame member names
163 frame = get_frame(func);
166 for (m = 0; m < (int)frame->memqty; m++)
168 ret = get_member_name(frame->members[m].id, buf, sizeof(buf));
170 msg("%x: member has no name?\n", ea);
173 if (buf[0] == ' ') // what's this?
175 if (IS_START(buf, "arg_") || IS_START(buf, "var_"))
178 // check for dupe names
180 for (m1 = 0; m1 < m; m1++) {
181 get_member_name(frame->members[m1].id, buf2, sizeof(buf2));
182 if (stricmp(buf, buf2) == 0)
186 if (is_name_reserved(buf) || dupe) {
187 msg("%x: renaming '%s'\n", ea, buf);
188 qstrncat(buf, "_", sizeof(buf));
189 ret = set_member_name(frame, frame->members[m].soff, buf);
191 msg("%x: renaming failed\n", ea);
196 tmp_ea = get_name_ea(ea, buf);
197 if (tmp_ea == 0 || tmp_ea == ~0)
200 msg("%x: from %x: renaming '%s'\n", tmp_ea, ea, buf);
201 qstrncat(buf, "_g", sizeof(buf));
202 set_name(tmp_ea, buf);
206 func = get_next_func(ea);
209 // 2nd pass over whole .text and .(ro)data segments
210 for (ea = inf.minEA; ea != BADADDR; ea = next_head(ea, inf.maxEA))
212 segment_t *seg = getseg(ea);
215 if (seg->type == SEG_XTRN)
217 if (seg->type != SEG_CODE && seg->type != SEG_DATA)
220 ea_flags = get_flags_novalue(ea);
222 if (isCode(ea_flags))
224 if (!decode_insn(ea)) {
225 msg("%x: decode_insn() failed\n", ea);
229 // masm doesn't understand IDA's float/xmm types
230 if (cmd.itype == NN_fld || cmd.itype == NN_fst
231 || cmd.itype == NN_movapd || cmd.itype == NN_movlpd)
233 for (o = 0; o < UA_MAXOP; o++) {
234 if (cmd.Operands[o].type == o_void)
237 if (cmd.Operands[o].type == o_mem) {
238 tmp_ea = cmd.Operands[o].addr;
239 flags_t tmp_ea_flags = get_flags_novalue(tmp_ea);
240 if (!isUnknown(tmp_ea_flags)) {
242 get_name(ea, tmp_ea, buf, sizeof(buf));
243 msg("%x: undefining %x '%s'\n", ea, tmp_ea, buf);
244 do_unknown(tmp_ea, DOUNK_EXPAND);
249 // detect code alignment
250 else if (cmd.itype == NN_lea) {
251 if (cmd.Operands[0].reg == cmd.Operands[1].reg
252 && cmd.Operands[1].type == o_displ
253 && cmd.Operands[1].addr == 0)
255 tmp_ea = next_head(ea, inf.maxEA);
256 if ((tmp_ea & 0x03) == 0) {
257 n = calc_max_align(tmp_ea);
258 if (n > 4) // masm doesn't like more..
260 msg("%x: align %d\n", ea, 1 << n);
261 do_unknown(ea, DOUNK_SIMPLE);
262 doAlign(ea, tmp_ea - ea, n);
267 // find non-local branches
268 if (is_insn_jmp(cmd.itype) && cmd.Operands[0].type == o_near)
270 target_ea = cmd.Operands[0].addr;
272 nonlocal_add(target_ea);
274 ret = get_func_chunknum(func, target_ea);
276 // a jump to another func or chunk
277 // check if it lands on func start
278 if (!isFunc(get_flags_novalue(target_ea)))
279 nonlocal_add(target_ea);
286 ea_size = get_item_size(ea);
288 if (func == NULL && isOff0(ea_flags)) {
289 for (tmp_ea = 0; tmp_ea < ea_size; tmp_ea += 4)
290 nonlocal_add(get_long(ea + tmp_ea));
293 // IDA vs masm float/mmx/xmm type incompatibility
294 if (isDouble(ea_flags) || isTbyt(ea_flags)
295 || isPackReal(ea_flags))
299 else if (isOwrd(ea_flags)) {
301 get_name(BADADDR, ea, buf, sizeof(buf));
302 if (IS_START(buf, "xmm"))
305 // masm doesn't understand IDA's unicode
306 else if (isASCII(ea_flags) && ea_size >= 4
307 && (get_long(ea) & 0xff00ff00) == 0) // lame..
311 // masm doesn't understand large aligns
312 else if (isAlign(ea_flags) && ea_size > 0x10) {
313 msg("%x: undefining align %d\n", ea, ea_size);
314 do_unknown(ea, DOUNK_EXPAND);
319 get_name(BADADDR, ea, buf, sizeof(buf));
320 msg("%x: undefining '%s'\n", ea, buf);
321 do_unknown(ea, DOUNK_EXPAND);
326 // check namelist for reserved names
327 n = get_nlist_size();
328 for (i = 0; i < n; i++) {
329 ea = get_nlist_ea(i);
330 name = get_nlist_name(i);
332 msg("%x: null name?\n", ea);
336 // rename vars with '?@' (funcs are ok)
338 ea_flags = get_flags_novalue(ea);
339 if (!isCode(ea_flags) && strpbrk(name, "?@"))
342 if (change_qat || is_name_reserved(name)) {
343 msg("%x: renaming name '%s'\n", ea, name);
344 qsnprintf(buf, sizeof(buf), "%s_g", name);
347 for (p = buf; *p != 0; p++) {
348 if (*p == '?' || *p == '@') {
349 qsnprintf(buf2, sizeof(buf2), "%02x", (unsigned char)*p);
350 memmove(p + 1, p, strlen(p) + 1);
360 if (nonlocal_bt_cnt > 1) {
361 qsort(nonlocal_bt, nonlocal_bt_cnt,
362 sizeof(nonlocal_bt[0]), nonlocal_bt_cmp);
365 char *fname = askfile_c(1, NULL, "Save asm file");
368 fout = qfopen(fname, "w");
370 msg("couldn't open '%s'\n", fname);
374 show_wait_box("Saving..");
376 // deal with the beginning
378 int flags = 0; // calc_default_idaplace_flags();
379 linearray_t ln(&flags);
384 n = ln.get_linecnt();
385 for (i = 0; i < n - 1; i++) {
386 do_def_line(buf, sizeof(buf), ln.down(), ea);
387 if (strstr(buf, "include"))
389 p = strstr(buf, "assume cs");
391 memmove(p + 1, p, strlen(p) + 1);
396 qfprintf(fout, "%s\n", buf);
397 p = strstr(buf, ".mmx");
399 memcpy(p, ".xmm", 4);
401 qfprintf(fout, "%s\n", buf);
404 p = strstr(buf, ".model");
406 qstrncpy(p, "include imports.inc", sizeof(buf) - (p - buf));
408 qfprintf(fout, "\n%s\n", buf);
416 int drop_large = 0, do_rva = 0, set_scale = 0, jmp_near = 0;
417 int word_imm = 0, dword_imm = 0, do_pushf = 0;
419 if ((ea >> 14) != ui_ea_block) {
420 ui_ea_block = ea >> 14;
426 segment_t *seg = getseg(ea);
427 if (!seg || (seg->type != SEG_CODE && seg->type != SEG_DATA))
430 ea_flags = get_flags_novalue(ea);
431 if (isCode(ea_flags))
433 if (!decode_insn(ea))
436 if (is_insn_jmp(cmd.itype) && cmd.Operands[0].type == o_near
437 && cmd.Operands[0].dtyp == dt_dword)
441 else if ((cmd.itype == NN_pushf || cmd.itype == NN_popf)
447 for (o = 0; o < UA_MAXOP; o++) {
448 const op_t &opr = cmd.Operands[o];
449 if (opr.type == o_void)
453 if (opr.type == o_mem && opr.specval_shorts.high == 0x21)
455 if (opr.hasSIB && x86_scale(opr) == 0
456 && x86_index(opr) != INDEX_NONE)
460 // annoying alignment variant..
461 if (opr.type == o_imm && opr.dtyp == dt_dword
462 && (opr.value < 0x80 || opr.value > 0xffffff80)
463 && cmd.size >= opr.offb + 4)
465 if (get_long(ea + opr.offb) == opr.value)
468 else if (opr.type == o_imm && opr.dtyp == dt_word
469 && (opr.value < 0x80 || opr.value > 0xff80)
470 && cmd.size >= opr.offb + 2)
472 if (get_word(ea + opr.offb) == (ushort)opr.value)
478 if (isOff0(ea_flags))
483 n = ln.get_linecnt();
484 for (i = pl.lnnum; i < n; i++) {
485 do_def_line(buf, sizeof(buf), ln.down(), ea);
488 for (fw = buf; *fw != 0 && *fw == ' '; )
493 p = strstr(fw, "large ");
495 memmove(p, p + 6, strlen(p + 6) + 1);
498 p = strstr(fw, " rva ");
501 memmove(p + 4 + 3, p + 4, strlen(p + 4) + 1);
502 memcpy(p + 1, "offset", 6);
508 if (p != NULL && p[1] == 'e') {
510 // scale is 1, must specify it explicitly so that
511 // masm chooses the right scaled reg
512 memmove(p + 2, p, strlen(p) + 1);
518 while (p && *p != ' ')
520 while (p && *p == ' ')
523 memmove(p + 9, p, strlen(p) + 1);
524 memcpy(p, "near ptr ", 9);
528 p = strstr(fw, ", ");
529 if (p != NULL && '0' <= p[2] && p[2] <= '9') {
531 memmove(p + 9, p, strlen(p) + 1);
532 memcpy(p, "word ptr ", 9);
535 else if (dword_imm) {
536 p = strstr(fw, ", ");
537 if (p != NULL && '0' <= p[2] && p[2] <= '9') {
539 memmove(p + 10, p, strlen(p) + 1);
540 memcpy(p, "dword ptr ", 10);
544 p = strstr(fw, "pushf");
546 p = strstr(fw, "popf");
548 p = strchr(p, 'f') + 1;
549 memmove(p + 1, p, strlen(p) + 1);
554 if (fw[0] == 'e' && IS_START(fw, "end") && fw[3] == ' ') {
556 qfprintf(fout, "include public.inc\n\n");
563 qfprintf(fout, "%s\n", buf);
566 // note: next_head skips some undefined stuff
567 ea = next_not_tail(ea); // correct?
582 msg("%d lines saved.\n", fout_line);
585 //--------------------------------------------------------------------------
587 static const char comment[] = "Generate disassembly lines for one address";
588 static const char help[] = "Generate asm file\n";
589 static const char wanted_name[] = "Save asm";
590 static const char wanted_hotkey[] = "Ctrl-F6";
592 //--------------------------------------------------------------------------
594 // PLUGIN DESCRIPTION BLOCK
596 //--------------------------------------------------------------------------
599 IDP_INTERFACE_VERSION,
602 term, // terminate. this pointer may be NULL.
603 run, // invoke plugin
604 comment, // long comment about the plugin
605 // it could appear in the status line
607 help, // multiline help about the plugin
608 wanted_name, // the preferred short name of the plugin
609 wanted_hotkey // the preferred hotkey to run the plugin
612 // vim:ts=2:shiftwidth=2:expandtab