Here is a patch to add support to readelf for showing the details of two
more types of NetBSD ELF notes. The patches are taken from the cvs repo
of NetBSD, where the changes were applied to their copy a while back.
diff --git a/binutils/readelf.c b/binutils/readelf.c
index 22cec2c..964733f 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -15365,6 +15365,38 @@ print_v850_note (Elf_Internal_Note * pnote)
return 0;
}
+static int
+process_netbsd_elf_note (Elf_Internal_Note * pnote)
+{
+ unsigned int version;
+
+ switch (pnote->type)
+ {
+ case NT_NETBSD_IDENT:
+ version = byte_get((unsigned char *)pnote->descdata, sizeof(version));
+ if ((version / 10000) % 100)
+ printf (" NetBSD\t\t0x%08lx\tIDENT %u (%u.%u%s%c)\n", pnote->descsz,
+ version, version / 100000000, (version / 1000000) % 100,
+ (version / 10000) % 100 > 26 ? "Z" : "",
+ 'A' + (version / 10000) % 26);
+ else
+ printf (" NetBSD\t\t0x%08lx\tIDENT %u (%u.%u.%u)\n", pnote->descsz,
+ version, version / 100000000, (version / 1000000) % 100,
+ (version / 100) % 100);
+ return 1;
+ case NT_NETBSD_MARCH:
+ printf (" NetBSD\t0x%08lx\tMARCH <%s>\n", pnote->descsz,
+ pnote->descdata);
+ return 1;
+ default:
+ break;
+ }
+
+ printf (" NetBSD\t0x%08lx\tUnknown note type: (0x%08lx)\n", pnote->descsz,
+ pnote->type);
+ return 1;
+}
+
static const char *
get_netbsd_elfcore_note_type (unsigned e_type)
{
@@ -15614,6 +15646,10 @@ process_note (Elf_Internal_Note * pnote)
/* GNU-specific object file notes. */
nt = get_gnu_elf_note_type (pnote->type);
+ else if (const_strneq (pnote->namedata, "NetBSD"))
+ /* NetBSD-specific core file notes. */
+ return process_netbsd_elf_note (pnote);
+
else if (const_strneq (pnote->namedata, "NetBSD-CORE"))
/* NetBSD-specific core file notes. */
nt = get_netbsd_elfcore_note_type (pnote->type);
diff --git a/include/elf/common.h b/include/elf/common.h
index bb15b7d..5c20c5e 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -642,6 +642,7 @@
/* Values for NetBSD .note.netbsd.ident notes. Note name is "NetBSD". */
#define NT_NETBSD_IDENT 1
+#define NT_NETBSD_MARCH 5
/* Values for OpenBSD .note.openbsd.ident notes. Note name is "OpenBSD". */
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