lib/libelf/elf_update.c

110 _libelf_compute_section_extents(Elf *e, Elf_Scn *s, off_t rc)
316 	sh_offset = roundup((uint64_t) rc, sh_align);
448 _libelf_resync_sections(Elf *e, off_t rc, struct _Elf_Extent_List *extents)
469 		if (_libelf_compute_section_extents(e, s, rc) == 0)
479 		if ((size_t) rc < s->s_offset + s->s_size)
480 			rc = (off_t) (s->s_offset + s->s_size);
483 	return (rc);
515 	off_t rc, phoff, shoff;
520 	rc = 0;
601 	rc += (off_t) _libelf_fsize(ELF_T_EHDR, ec, eh_version, (size_t) 1);
603 	if (!_libelf_insert_extent(extents, ELF_EXTENT_EHDR, 0, (uint64_t) rc,
620 			if (rc > phoff) {
631 			phoff = roundup(rc, (off_t) align);
633 		rc = phoff + (off_t) fsz;
653 	if ((rc = _libelf_resync_sections(e, rc, extents)) < 0)
678 			shoff = roundup(rc, (off_t) align);
680 		if (shoff + (off_t) fsz > rc)
681 			rc = shoff + (off_t) fsz;
710 	return (rc);
720 	off_t rc;
733 	rc = (off_t) ex->ex_start;
747 		return (rc);
775 			if ((uint64_t) rc < sh_off + d->d_off)
776 				(void) memset(nf + rc,
779 					(uint64_t) rc));
780 			rc = (off_t) (sh_off + d->d_off);
786 			(void) memcpy(nf + rc,
790 			rc += (off_t) d->d_size;
793 		return (rc);
811 		if ((uint64_t) rc < sh_off + d->d_off)
812 			(void) memset(nf + rc,
814 			    (size_t) (sh_off + d->d_off - (uint64_t) rc));
816 		rc = (off_t) (sh_off + d->d_off);
827 		dst.d_buf    = nf + rc;
834 		rc += (off_t) fsz;
837 	return (rc);
1034 	off_t nrc, rc;
1048 	nrc = rc = 0;
1052 		if (ex->ex_start > (size_t) rc)
1053 			(void) memset(newfile + rc, LIBELF_PRIVATE(fillchar),
1054 			    (size_t) (ex->ex_start - (uint64_t) rc));
1083 		assert(rc < nrc);
1085 		rc = nrc;
1088 	assert(rc == newsize);
1184 	return (rc);
1200 	off_t rc;
1203 	rc = (off_t) -1;
1208 		return (rc);
1213 		return (rc);
1221 		return (rc);
1226 	if ((rc = _libelf_resync_elf(e, &extents)) < 0)
1233 		rc = (off_t) -1;
1238 	rc = _libelf_write_elf(e, rc, &extents);
1242 	return (rc);