[binutils-gdb] Define a new DT_GNU_FLAGS_1 dynamic section for ld, readelf et al

[Alan Modra]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ee0688c2339deba4bca7d57a96001183aa06a765

commit ee0688c2339deba4bca7d57a96001183aa06a765
Author: Vivek Das Mohapatra <vivek@collabora.com>
Date:   Mon Dec 14 17:25:50 2020 +0000

    Define a new DT_GNU_FLAGS_1 dynamic section for ld, readelf et al
    
    DT_GNU_FLAGS_1 added to the DT_VALRNGLO-DT_VALRNGHI range.
    DT_GNU_FLAGS_1 value DF_GNU_1_UNIQUE added.
    
            * elf/common.h (DT_GNU_FLAGS_1, DF_GNU_1_UNIQUE): Define.

Diff:
---
 include/ChangeLog    | 4 ++++
 include/elf/common.h | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/include/ChangeLog b/include/ChangeLog
index c2a63298032..f19742eafb6 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,7 @@
+2020-12-15  Vivek Das Mohapatra  <vivek@collabora.com>
+
+	* elf/common.h (DT_GNU_FLAGS_1, DF_GNU_1_UNIQUE): Define.
+
 2020-12-11  Cary Coutant  <ccoutant@gmail.com>
 
 	* elf/common.h: Update list of e_machine values.
diff --git a/include/elf/common.h b/include/elf/common.h
index 37122ccd99b..4d3718a2f01 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -1044,6 +1044,7 @@
    deliberate special case and we maintain it for backwards compatability.
  */
 #define DT_VALRNGLO	0x6ffffd00
+#define DT_GNU_FLAGS_1  0x6ffffdf4
 #define DT_GNU_PRELINKED 0x6ffffdf5
 #define DT_GNU_CONFLICTSZ 0x6ffffdf6
 #define DT_GNU_LIBLISTSZ 0x6ffffdf7
@@ -1107,6 +1108,9 @@
 #define DF_P1_LAZYLOAD	0x00000001
 #define DF_P1_GROUPPERM	0x00000002
 
+/* Flag value in the DT_GNU_FLAGS_1 /dynamic entry.  */
+#define DF_GNU_1_UNIQUE 0x00000001
+
 /* Flag value in in the DT_FLAGS_1 .dynamic entry.  */
 #define DF_1_NOW	0x00000001
 #define DF_1_GLOBAL	0x00000002