[PATCH] readelf: Add 'R' and 'D' to "Key to Flags:"

[H.J. Lu]

Add "R (retain)" and "D (mbind)" to "Key to Flags:".

	PR binutils/27281
	* readelf.c (process_section_headers): Add 'R' and 'D' to
	"Key to Flags:".
	* testsuite/binutils-all/retain1a.d: Updated.
---
 binutils/readelf.c                         | 12 ++++++++++++
 binutils/testsuite/binutils-all/retain1a.d |  2 ++
 2 files changed, 14 insertions(+)

diff --git a/binutils/readelf.c b/binutils/readelf.c
index 5df51086226..c61219a4652 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -6992,6 +6992,18 @@ process_section_headers (Filedata * filedata)
   W (write), A (alloc), X (execute), M (merge), S (strings), I (info),\n\
   L (link order), O (extra OS processing required), G (group), T (TLS),\n\
   C (compressed), x (unknown), o (OS specific), E (exclude),\n  "));
+      switch (filedata->file_header.e_ident[EI_OSABI])
+	{
+	case ELFOSABI_GNU:
+	case ELFOSABI_FREEBSD:
+	  printf (_("R (retain), "));
+	  /* Fall through */
+	case ELFOSABI_NONE:
+	  printf (_("D (mbind), "));
+	  break;
+	default:
+	  break;
+	}
       if (filedata->file_header.e_machine == EM_X86_64
 	  || filedata->file_header.e_machine == EM_L1OM
 	  || filedata->file_header.e_machine == EM_K1OM)
diff --git a/binutils/testsuite/binutils-all/retain1a.d b/binutils/testsuite/binutils-all/retain1a.d
index 6397ac52ae5..c3cdcaf12e4 100644
--- a/binutils/testsuite/binutils-all/retain1a.d
+++ b/binutils/testsuite/binutils-all/retain1a.d
@@ -15,4 +15,6 @@
   \[[ 0-9]+\] .bss.lsretain0.*WAR.*
   \[[ 0-9]+\] .bss.lsretain1.*WAR.*
   \[[ 0-9]+\] .data.lsretain2.*WAR.*
+#...
+  R \(retain\), D \(mbind\), .*
 #pass
-- 
2.29.2