sys/kern/imgact_elf.c

97 static boolean_t __elfN(freebsd_trans_osrel)(const Elf_Note *note,
99 static boolean_t kfreebsd_trans_osrel(const Elf_Note *note, int32_t *osrel);
161 __elfN(freebsd_trans_osrel)(const Elf_Note *note, int32_t *osrel)
165 	p = (uintptr_t)(note + 1);
166 	p += roundup2(note->n_namesz, ELF_NOTE_ROUNDSIZE);
185 kfreebsd_trans_osrel(const Elf_Note *note, int32_t *osrel)
190 	p = (uintptr_t)(note + 1);
191 	p += roundup2(note->n_namesz, ELF_NOTE_ROUNDSIZE);
272 	 * field, and (4) the ".note.ABI-tag" ELF section.
275 	/* Look for an ".note.ABI-tag" ELF section */
285 			 * If note checker claimed the binary, but the
292 			 * our note and, optionally, header.
1135 	TAILQ_ENTRY(note_info) link;	/* Link to the next note info. */
1643 	/* The note segement. */
1678 	notesize = sizeof(Elf_Note) +		/* note header */
1680 						/* note name */
1681 	    roundup2(size, ELF_NOTE_ROUNDSIZE);	/* note description */
1702 	Elf_Note *note;
1708 		note = (Elf_Note *)buf;
1709 		note->n_namesz = sizeof(FREEBSD_ABI_VENDOR);
1710 		note->n_descsz = size;
1711 		note->n_type = type;
1712 		buf += sizeof(*note);
1720 	notesize = sizeof(Elf_Note) +		/* note header */
1722 						/* note name */
1723 	    roundup2(size, ELF_NOTE_ROUNDSIZE);	/* note description */
1731 	Elf_Note note;
1740 	note.n_namesz = sizeof(FREEBSD_ABI_VENDOR);
1741 	note.n_descsz = ninfo->outsize;
1742 	note.n_type = ninfo->type;
1744 	sbuf_bcat(sb, &note, sizeof(note));
1748 	if (note.n_descsz == 0)
1757 	descsz = roundup(note.n_descsz, ELF_NOTE_ROUNDSIZE);
1760 		 * It is expected that individual note emitters will correctly
1776 		    __func__, (unsigned)note.n_type, new_len, descsz,
1777 		    (unsigned)note.n_type));
1782  * Miscellaneous note out functions.
2208 	const Elf_Note *note, *note0, *note_end;
2231 		note = note0 = (const Elf_Note *)buf;
2234 		note = note0 = (const Elf_Note *)(imgp->image_header +
2240 	for (i = 0; i < 100 && note >= note0 && note < note_end; i++) {
2241 		if (!aligned(note, Elf32_Addr) || (const char *)note_end -
2242 		    (const char *)note < sizeof(Elf_Note)) {
2246 		if (note->n_namesz != checknote->hdr.n_namesz ||
2247 		    note->n_descsz != checknote->hdr.n_descsz ||
2248 		    note->n_type != checknote->hdr.n_type)
2250 		note_name = (const char *)(note + 1);
2258 		 * from the ELF OSABI-note if necessary.
2262 			res = checknote->trans_osrel(note, osrel);
2268 		note = (const Elf_Note *)((const char *)(note + 1) +
2269 		    roundup2(note->n_namesz, ELF_NOTE_ROUNDSIZE) +
2270 		    roundup2(note->n_descsz, ELF_NOTE_ROUNDSIZE));
2279  * Try to find the appropriate ABI-note section for checknote,
2280  * fetch the osreldate for binary from the ELF OSABI-note. Only the