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authorH.J. Lu <hjl.tools@gmail.com>2012-11-21 06:33:19 -0800
committerH.J. Lu <hjl.tools@gmail.com>2012-11-21 06:33:19 -0800
commit7e1be741255c40a2d71ea7c888eff39a3aaa32e9 (patch)
treec78a665d15bb6a1f22b63063f1f64545f351536d /elf
parent86fe56bbdece927de2b0c6f122493e97ad12937a (diff)
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Check supported DF_1_XXX bits
Diffstat (limited to 'elf')
-rw-r--r--elf/elf.h9
-rw-r--r--elf/get-dynamic-info.h3
2 files changed, 12 insertions, 0 deletions
diff --git a/elf/elf.h b/elf/elf.h
index 1effa0710d..b07e6ad931 100644
--- a/elf/elf.h
+++ b/elf/elf.h
@@ -798,6 +798,15 @@ typedef struct
 #define DF_1_ENDFILTEE	0x00004000	/* Filtee terminates filters search. */
 #define	DF_1_DISPRELDNE	0x00008000	/* Disp reloc applied at build time. */
 #define	DF_1_DISPRELPND	0x00010000	/* Disp reloc applied at run-time.  */
+#define	DF_1_NODIRECT	0x00020000	/* Object has no-direct binding. */
+#define	DF_1_IGNMULDEF	0x00040000
+#define	DF_1_NOKSYMS	0x00080000
+#define	DF_1_NOHDR	0x00100000
+#define	DF_1_EDITED	0x00200000	/* Object is modified after built.  */
+#define	DF_1_NORELOC	0x00400000
+#define	DF_1_SYMINTPOSE	0x00800000	/* Object has individual interposers.  */
+#define	DF_1_GLOBAUDIT	0x01000000	/* Global auditin required.  */
+#define	DF_1_SINGLETON	0x02000000	/* Singleton symbols are used.  */
 
 /* Flags for the feature selection in DT_FEATURE_1.  */
 #define DTF_1_PARINIT	0x00000001
diff --git a/elf/get-dynamic-info.h b/elf/get-dynamic-info.h
index ffac75f635..9e018de6d2 100644
--- a/elf/get-dynamic-info.h
+++ b/elf/get-dynamic-info.h
@@ -151,6 +151,9 @@ elf_get_dynamic_info (struct link_map *l, ElfW(Dyn) *temp)
     {
       l->l_flags_1 = info[VERSYMIDX (DT_FLAGS_1)]->d_un.d_val;
 
+      /* Only DT_1_SUPPORTED_MASK bits are allowed.  */
+      assert ((l->l_flags_1 & ~DT_1_SUPPORTED_MASK) == 0);
+
       if (l->l_flags_1 & DF_1_NOW)
 	info[DT_BIND_NOW] = info[VERSYMIDX (DT_FLAGS_1)];
     }