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[src/trunk]: src/external/gpl3/binutils/dist - Add -f to allow processing non...
details: https://anonhg.NetBSD.org/src/rev/866256d68f5c
branches: trunk
changeset: 334886:866256d68f5c
user: christos <christos%NetBSD.org@localhost>
date: Sat Dec 13 18:32:59 2014 +0000
description:
- Add -f to allow processing non-plain files.
- Align NetBSD note printing properly
- Add handling of "PaX" notes correctly. Perhaps we should rename them
to "NetBSD" now.
diffstat:
external/gpl3/binutils/dist/binutils/doc/readelf.1 | 8 ++++++
external/gpl3/binutils/dist/binutils/readelf.c | 28 ++++++++++++++++++---
external/gpl3/binutils/dist/include/elf/common.h | 9 +++++++
3 files changed, 41 insertions(+), 4 deletions(-)
diffs (137 lines):
diff -r 4b47c656574a -r 866256d68f5c external/gpl3/binutils/dist/binutils/doc/readelf.1
--- a/external/gpl3/binutils/dist/binutils/doc/readelf.1 Sat Dec 13 17:18:55 2014 +0000
+++ b/external/gpl3/binutils/dist/binutils/doc/readelf.1 Sat Dec 13 18:32:59 2014 +0000
@@ -146,6 +146,7 @@
[\fB\-r\fR|\fB\-\-relocs\fR]
[\fB\-u\fR|\fB\-\-unwind\fR]
[\fB\-d\fR|\fB\-\-dynamic\fR]
+ [\fB\-f\fR|\fB\-\-special-files\fR]
[\fB\-V\fR|\fB\-\-version\-info\fR]
[\fB\-A\fR|\fB\-\-arch\-specific\fR]
[\fB\-D\fR|\fB\-\-use\-dynamic\fR]
@@ -282,6 +283,13 @@
.IX Item "--dynamic"
.PD
Displays the contents of the file's dynamic section, if it has one.
+.IP "\fB\-f\fR" 4
+.IX Item "-f"
+.PD 0
+.IP "\fB\-\-special-files\fR" 4
+.IX Item "--special-files"
+.PD
+Allows processing of non-plain files.
.IP "\fB\-V\fR" 4
.IX Item "-V"
.PD 0
diff -r 4b47c656574a -r 866256d68f5c external/gpl3/binutils/dist/binutils/readelf.c
--- a/external/gpl3/binutils/dist/binutils/readelf.c Sat Dec 13 17:18:55 2014 +0000
+++ b/external/gpl3/binutils/dist/binutils/readelf.c Sat Dec 13 18:32:59 2014 +0000
@@ -185,6 +185,7 @@
static Elf_Internal_Dyn * dynamic_section;
static Elf_Internal_Shdr * symtab_shndx_hdr;
static int show_name;
+static int do_special_files;
static int do_dynamic;
static int do_syms;
static int do_dyn_syms;
@@ -3201,6 +3202,7 @@
{"relocs", no_argument, 0, 'r'},
{"notes", no_argument, 0, 'n'},
{"dynamic", no_argument, 0, 'd'},
+ {"special-files", no_argument, 0, 'f'},
{"arch-specific", no_argument, 0, 'A'},
{"version-info", no_argument, 0, 'V'},
{"use-dynamic", no_argument, 0, 'D'},
@@ -3246,6 +3248,7 @@
-r --relocs Display the relocations (if present)\n\
-u --unwind Display the unwind info (if present)\n\
-d --dynamic Display the dynamic section (if present)\n\
+ -f --special-files Process non-plain files too\n\
-V --version-info Display the version sections (if present)\n\
-A --arch-specific Display architecture specific information (if any)\n\
-c --archive-index Display the symbol/file index in an archive\n\
@@ -3365,7 +3368,7 @@
usage (stderr);
while ((c = getopt_long
- (argc, argv, "ADHINR:SVWacdeghi:lnp:rstuvw::x:", options, NULL)) != EOF)
+ (argc, argv, "ADHINR:SVWacdefghi:lnp:rstuvw::x:", options, NULL)) != EOF)
{
switch (c)
{
@@ -3415,6 +3418,9 @@
case 'u':
do_unwind++;
break;
+ case 'f':
+ do_special_files++;
+ break;
case 'h':
do_header++;
break;
@@ -12706,14 +12712,24 @@
(version / 10000) % 100 > 26 ? "Z" : "",
'A' + (version / 10000) % 26);
else
- printf (" NetBSD\t0x%08lx\tIDENT %u (%u.%u.%u)\n", pnote->descsz,
+ 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,
+ printf (" NetBSD\t\t0x%08lx\tMARCH <%s>\n", pnote->descsz,
pnote->descdata);
return 1;
+ case NT_NETBSD_PAX:
+ version = byte_get((unsigned char *)pnote->descdata, sizeof(version));
+ printf (" NetBSD\t\t0x%08lx\tPaX <%s%s%s%s%s%s>\n", pnote->descsz,
+ ((version & NT_NETBSD_PAX_MPROTECT) ? "+mprotect" : ""),
+ ((version & NT_NETBSD_PAX_NOMPROTECT) ? "-mprotect" : ""),
+ ((version & NT_NETBSD_PAX_GUARD) ? "+guard" : ""),
+ ((version & NT_NETBSD_PAX_NOGUARD) ? "-guard" : ""),
+ ((version & NT_NETBSD_PAX_ASLR) ? "+ASLR" : ""),
+ ((version & NT_NETBSD_PAX_NOASLR) ? "-ASLR" : ""));
+ return 1;
default:
break;
}
@@ -13050,6 +13066,10 @@
/* NetBSD-specific core file notes. */
return process_netbsd_elf_note (pnote);
+ else if (const_strneq (pnote->namedata, "PaX"))
+ /* 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);
@@ -13789,7 +13809,7 @@
return 1;
}
- if (! S_ISREG (statbuf.st_mode))
+ if (!do_special_files && ! S_ISREG (statbuf.st_mode))
{
error (_("'%s' is not an ordinary file\n"), file_name);
return 1;
diff -r 4b47c656574a -r 866256d68f5c external/gpl3/binutils/dist/include/elf/common.h
--- a/external/gpl3/binutils/dist/include/elf/common.h Sat Dec 13 17:18:55 2014 +0000
+++ b/external/gpl3/binutils/dist/include/elf/common.h Sat Dec 13 18:32:59 2014 +0000
@@ -607,6 +607,15 @@
#define NT_NETBSD_IDENT 1
#define NT_NETBSD_MARCH 5
+/* Values for NetBSD .note.netbsd.ident notes. Note name is "PaX". */
+#define NT_NETBSD_PAX 3
+#define NT_NETBSD_PAX_MPROTECT 0x01 /* Force enable Mprotect */
+#define NT_NETBSD_PAX_NOMPROTECT 0x02 /* Force disable Mprotect */
+#define NT_NETBSD_PAX_GUARD 0x04 /* Force enable Segvguard */
+#define NT_NETBSD_PAX_NOGUARD 0x08 /* Force disable Servguard */
+#define NT_NETBSD_PAX_ASLR 0x10 /* Force enable ASLR */
+#define NT_NETBSD_PAX_NOASLR 0x20 /* Force disable ASLR */
+
/* Values for OpenBSD .note.openbsd.ident notes. Note name is "OpenBSD". */
#define NT_OPENBSD_IDENT 1
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