svn commit: r309679 - head/contrib/elftoolchain/readelf

[Conrad E. Meyer]

Author: cem
Date: Wed Dec  7 18:33:40 2016
New Revision: 309679
URL: https://svnweb.freebsd.org/changeset/base/309679

Log:
  readelf(1) -S: Include zero index and match binutils' no-name
  
  Include the SHN_UNDEF (zero) index special section in extended-attribute
  ELF files, like GNU binutils' readelf.
  
  Additionally, print "<no-name>" for sections without names, like GNU
  binutils.
  
  Reviewed by:	kaiw@
  Sponsored by:	Dell EMC Isilon
  Differential Revision:	https://reviews.freebsd.org/D8707

Modified:
  head/contrib/elftoolchain/readelf/readelf.c

Modified: head/contrib/elftoolchain/readelf/readelf.c
==============================================================================
--- head/contrib/elftoolchain/readelf/readelf.c	Wed Dec  7 16:12:27 2016	(r309678)
+++ head/contrib/elftoolchain/readelf/readelf.c	Wed Dec  7 18:33:40 2016	(r309679)
@@ -6557,13 +6557,14 @@ load_sections(struct readelf *re)
 		}
 		if ((name = elf_strptr(re->elf, shstrndx, sh.sh_name)) == NULL) {
 			(void) elf_errno();
-			name = "ERROR";
+			name = "<no-name>";
 		}
 		if ((ndx = elf_ndxscn(scn)) == SHN_UNDEF) {
-			if ((elferr = elf_errno()) != 0)
+			if ((elferr = elf_errno()) != 0) {
 				warnx("elf_ndxscn failed: %s",
 				    elf_errmsg(elferr));
-			continue;
+				continue;
+			}
 		}
 		if (ndx >= re->shnum) {
 			warnx("section index of '%s' out of range", name);