Differential D19054 Diff 53510 contrib/elftoolchain/readelf/readelf.c

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contrib/elftoolchain/readelf/readelf.c

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static void dump_mips_options(struct readelf re, struct section s);		static void dump_mips_options(struct readelf re, struct section s);
static void dump_mips_option_flags(const char name, struct mips_option opt,		static void dump_mips_option_flags(const char name, struct mips_option opt,
uint64_t info);		uint64_t info);
static void dump_mips_reginfo(struct readelf re, struct section s);		static void dump_mips_reginfo(struct readelf re, struct section s);
static void dump_mips_specific_info(struct readelf *re);		static void dump_mips_specific_info(struct readelf *re);
static void dump_notes(struct readelf *re);		static void dump_notes(struct readelf *re);
static void dump_notes_content(struct readelf re, const char buf, size_t sz,		static void dump_notes_content(struct readelf re, const char buf, size_t sz,
off_t off);		off_t off);
		static void dump_notes_data(const char name, uint32_t type, const char buf,
		size_t sz)
static void dump_svr4_hash(struct section *s);		static void dump_svr4_hash(struct section *s);
static void dump_svr4_hash64(struct readelf re, struct section s);		static void dump_svr4_hash64(struct readelf re, struct section s);
static void dump_gnu_hash(struct readelf re, struct section s);		static void dump_gnu_hash(struct readelf re, struct section s);
static void dump_hash(struct readelf *re);		static void dump_hash(struct readelf *re);
static void dump_phdr(struct readelf *re);		static void dump_phdr(struct readelf *re);
static void dump_ppc_attributes(uint8_t p, uint8_t pe);		static void dump_ppc_attributes(uint8_t p, uint8_t pe);
static void dump_section_groups(struct readelf *re);		static void dump_section_groups(struct readelf *re);
static void dump_symtab(struct readelf *re, int i);		static void dump_symtab(struct readelf *re, int i);
▲ Show 20 Lines • Show All 3,157 Lines • ▼ Show 20 Lines	for (i = 0; (size_t) i < re->shnum; i++) {
}		}
dump_notes_content(re, d->d_buf, d->d_size,		dump_notes_content(re, d->d_buf, d->d_size,
s->off);		s->off);
}		}
}		}
}		}
}		}

		static struct flag_desc note_feature_ctl_flags[] = {
		{ NT_FREEBSD_FCTL_ASLR_DISABLE, "ASLR_DISABLE" },
		{ 0, NULL }
		};
		brooksUnsubmitted Not Done Inline Actions Is it local style to declare this sort of thing nearby? style(9) would be it above all the functions. brooks: Is it local style to declare this sort of thing nearby? style(9) would be it above all the…
		emasteAuthorUnsubmitted Done Inline Actions They seem to be distributed in the existing file; probably they should actually be split out into a notes.c file but I would do that upstream to avoid conflicts emaste: They seem to be distributed in the existing file; probably they should actually be split out…

static void		static void
		dump_notes_data(const char name, uint32_t type, const char buf, size_t sz)
		{
		size_t i;
		const uint32_t *ubuf;

		/* Note data is at least 4-byte aligned */
		ubuf = (const uint32_t )(const void )buf;

		kibUnsubmitted Not Done Inline Actions May be print something explaining why the note is not decoded. kib: May be print something explaining why the note is not decoded.
		if (strcmp(name, "FreeBSD") == 0) {
		switch (type) {
		case NT_FREEBSD_ABI_TAG:
		if (sz != 4)
		goto unknown;
		printf(" ABI tag: %u\n", ubuf[0]);
		return;
		/* NT_FREEBSD_NOINIT_TAG carries no data, treat as unknown. */
		case NT_FREEBSD_ARCH_TAG:
		if (sz != 4)
		goto unknown;
		printf(" Arch tag: %x\n", ubuf[0]);
		return;
		case NT_FREEBSD_FEATURE_CTL:
		if (sz != 4)
		goto unknown;
		printf(" Features:");
		dump_flags(note_feature_ctl_flags, ubuf[0]);
		printf("\n");
		return;
		}
		}
		unknown:
		printf(" description data:");
		for (i = 0; i < sz; i++)
		printf(" %02x", (unsigned char)buf[i]);
		printf("\n");
		}

		static void
dump_notes_content(struct readelf re, const char buf, size_t sz, off_t off)		dump_notes_content(struct readelf re, const char buf, size_t sz, off_t off)
{		{
Elf_Note *note;		Elf_Note *note;
const char end, name;		const char end, name;
uint32_t i;

printf("\nNotes at offset %#010jx with length %#010jx:\n",		printf("\nNotes at offset %#010jx with length %#010jx:\n",
(uintmax_t) off, (uintmax_t) sz);		(uintmax_t) off, (uintmax_t) sz);
printf(" %-13s %-15s %s\n", "Owner", "Data size", "Description");		printf(" %-13s %-15s %s\n", "Owner", "Data size", "Description");
end = buf + sz;		end = buf + sz;
while (buf < end) {		while (buf < end) {
if (buf + sizeof(*note) > end) {		if (buf + sizeof(*note) > end) {
warnx("invalid note header");		warnx("invalid note header");
Show All 15 Lines	if (note->n_namesz == 0)
name = "";		name = "";
else if (note->n_namesz == 4 && strncmp(name, "CORE", 4) == 0)		else if (note->n_namesz == 4 && strncmp(name, "CORE", 4) == 0)
name = "CORE";		name = "CORE";
else if (strnlen(name, note->n_namesz) >= note->n_namesz)		else if (strnlen(name, note->n_namesz) >= note->n_namesz)
name = "<invalid>";		name = "<invalid>";
printf(" %-13s %#010jx", name, (uintmax_t) note->n_descsz);		printf(" %-13s %#010jx", name, (uintmax_t) note->n_descsz);
printf(" %s\n", note_type(name, re->ehdr.e_type,		printf(" %s\n", note_type(name, re->ehdr.e_type,
note->n_type));		note->n_type));
printf(" description data:");		dump_notes_data(name, note->n_type, buf, note->n_descsz);
for (i = 0; i < note->n_descsz; i++)
printf(" %02x", (unsigned char)buf[i]);
printf("\n");
buf += roundup2(note->n_descsz, 4);		buf += roundup2(note->n_descsz, 4);
}		}
}		}

/*		/*
* Symbol versioning sections are the same for 32bit and 64bit		* Symbol versioning sections are the same for 32bit and 64bit
* ELF objects.		* ELF objects.
*/		*/
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