elftoolchain/libpe/libpe_section.c

39 libpe_alloc_scn(PE *pe)
48 	ps->ps_pe = pe;
56 	PE *pe;
61 	pe = ps->ps_pe;
63 	STAILQ_REMOVE(&pe->pe_scn, ps, _PE_Scn, ps_next);
84 sort_sections(PE *pe)
87 	if (STAILQ_EMPTY(&pe->pe_scn))
91 	STAILQ_SORT(&pe->pe_scn, _PE_Scn, ps_next, cmp_scn);
95 libpe_parse_section_headers(PE *pe)
104 	assert(pe->pe_ch != NULL);
106 	for (i = 0; (uint16_t) i < pe->pe_ch->ch_nsec; i++) {
107 		if (read(pe->pe_fd, tmp, sizeof(PE_SecHdr)) !=
109 			pe->pe_flags |= LIBPE_F_BAD_SEC_HEADER;
113 		if ((ps = libpe_alloc_scn(pe)) == NULL)
115 		STAILQ_INSERT_TAIL(&pe->pe_scn, ps, ps_next);
116 		ps->ps_ndx = ++pe->pe_nscn;	/* Setion index is 1-based */
140 	dd = pe->pe_dd;
142 		for (i = 0; (uint32_t) i < pe->pe_dd->dd_total; i++) {
146 			STAILQ_FOREACH(ps, &pe->pe_scn, ps_next) {
158 			if ((ps = libpe_alloc_scn(pe)) == NULL)
160 			STAILQ_INSERT_TAIL(&pe->pe_scn, ps, ps_next);
171 	ch = pe->pe_ch;
173 		if ((ps = libpe_alloc_scn(pe)) == NULL)
175 		STAILQ_INSERT_TAIL(&pe->pe_scn, ps, ps_next);
180 		pe->pe_nsym = ch->ch_nsym;
188 libpe_load_section(PE *pe, PE_Scn *ps)
195 	assert(pe != NULL && ps != NULL);
207 	if ((pe->pe_flags & LIBPE_F_SPECIAL_FILE) == 0) {
208 		if (lseek(pe->pe_fd, (off_t) sh->sh_rawptr, SEEK_SET) < 0) {
217 	if (read(pe->pe_fd, sb->sb_pb.pb_buf, sh->sh_rawsize) !=
229 		if (read(pe->pe_fd, tmp, sizeof(tmp)) !=
244 			if (read(pe->pe_fd, sb->sb_pb.pb_buf, sz) !=
258 libpe_load_all_sections(PE *pe)
268 	if (pe->pe_dh != NULL)
269 		off += pe->pe_dh->dh_lfanew + 4;
270 	if (pe->pe_ch != NULL)
271 		off += sizeof(PE_CoffHdr) + pe->pe_ch->ch_optsize;
273 	STAILQ_FOREACH(ps, &pe->pe_scn, ps_next) {
282 		if (pe->pe_flags & LIBPE_F_SPECIAL_FILE) {
292 					if (read(pe->pe_fd, tmp, s) !=
302 		if (libpe_load_section(pe, ps) < 0)
310 libpe_resync_sections(PE *pe, off_t off)
317 	sort_sections(pe);
321 	STAILQ_FOREACH(ps, &pe->pe_scn, ps_next) {
328 	pe->pe_nscn = nsec;
335 	if (pe->pe_ch != NULL && pe->pe_ch->ch_optsize > 0)
336 		off += pe->pe_ch->ch_optsize;
338 		switch (pe->pe_obj) {
355 	if (pe->pe_oh != NULL && pe->pe_oh->oh_filealign > 0)
356 		falign = pe->pe_oh->oh_filealign;
362 		if (pe->pe_obj == PE_O_COFF)
372 	pe->pe_rvamax = 0;
373 	STAILQ_FOREACH(ps, &pe->pe_scn, ps_next) {
379 		if (sh->sh_addr + sh->sh_virtsize > pe->pe_rvamax)
380 			pe->pe_rvamax = sh->sh_addr + sh->sh_virtsize;
394 				if (libpe_load_section(pe, ps) < 0)
417 libpe_write_section_headers(PE *pe, off_t off)
423 	if (pe->pe_flags & LIBPE_F_BAD_SEC_HEADER || pe->pe_nscn == 0)
426 	if ((pe->pe_flags & LIBPE_F_DIRTY_SEC_HEADER) == 0) {
427 		off += sizeof(PE_SecHdr) * pe->pe_ch->ch_nsec;
431 	STAILQ_FOREACH(ps, &pe->pe_scn, ps_next) {
436 		if ((pe->pe_flags & LIBPE_F_DIRTY_SEC_HEADER) == 0 &&
454 		if (write(pe->pe_fd, tmp, sizeof(PE_SecHdr)) !=
468 libpe_write_sections(PE *pe, off_t off)
473 	if (pe->pe_flags & LIBPE_F_BAD_SEC_HEADER)
476 	STAILQ_FOREACH(ps, &pe->pe_scn, ps_next) {
493 			libpe_pad(pe, sh->sh_rawptr - off);
496 			assert((pe->pe_flags & LIBPE_F_SPECIAL_FILE) == 0);
497 			if (lseek(pe->pe_fd,