This adds STN_UNDEF and ELF symbol version data structures.

Signed-off-by: Andy Lutomirski <l...@amacapital.net>
---
 include/uapi/linux/elf.h | 121 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)

diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index ef6103b..8b7cf23 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -134,6 +134,12 @@ typedef __s64      Elf64_Sxword;
 #define ELF64_ST_BIND(x)       ELF_ST_BIND(x)
 #define ELF64_ST_TYPE(x)       ELF_ST_TYPE(x)
 
+/* Symbol table indices are found in the hash buckets and chain table
+   of a symbol hash table section.  This special index value indicates
+   the end of a chain, meaning no further symbols are found in that bucket.  */
+
+#define STN_UNDEF      0               /* End of a chain.  */
+
 typedef struct dynamic{
   Elf32_Sword d_tag;
   union{
@@ -197,6 +203,121 @@ typedef struct elf64_sym {
   Elf64_Xword st_size;         /* Associated symbol size */
 } Elf64_Sym;
 
+/* Version definition sections.  */
+
+typedef struct
+{
+  Elf32_Half   vd_version;             /* Version revision */
+  Elf32_Half   vd_flags;               /* Version information */
+  Elf32_Half   vd_ndx;                 /* Version Index */
+  Elf32_Half   vd_cnt;                 /* Number of associated aux entries */
+  Elf32_Word   vd_hash;                /* Version name hash value */
+  Elf32_Word   vd_aux;                 /* Offset in bytes to verdaux array */
+  Elf32_Word   vd_next;                /* Offset in bytes to next verdef
+                                          entry */
+} Elf32_Verdef;
+
+typedef struct
+{
+  Elf64_Half   vd_version;             /* Version revision */
+  Elf64_Half   vd_flags;               /* Version information */
+  Elf64_Half   vd_ndx;                 /* Version Index */
+  Elf64_Half   vd_cnt;                 /* Number of associated aux entries */
+  Elf64_Word   vd_hash;                /* Version name hash value */
+  Elf64_Word   vd_aux;                 /* Offset in bytes to verdaux array */
+  Elf64_Word   vd_next;                /* Offset in bytes to next verdef
+                                          entry */
+} Elf64_Verdef;
+
+
+/* Legal values for vd_version (version revision).  */
+#define VER_DEF_NONE   0               /* No version */
+#define VER_DEF_CURRENT        1               /* Current version */
+#define VER_DEF_NUM    2               /* Given version number */
+
+/* Legal values for vd_flags (version information flags).  */
+#define VER_FLG_BASE   0x1             /* Version definition of file itself */
+#define VER_FLG_WEAK   0x2             /* Weak version identifier */
+
+/* Versym symbol index values.  */
+#define        VER_NDX_LOCAL           0       /* Symbol is local.  */
+#define        VER_NDX_GLOBAL          1       /* Symbol is global.  */
+#define        VER_NDX_LORESERVE       0xff00  /* Beginning of reserved 
entries.  */
+#define        VER_NDX_ELIMINATE       0xff01  /* Symbol is to be eliminated.  
*/
+
+/* Auxialiary version information.  */
+
+typedef struct
+{
+  Elf32_Word   vda_name;               /* Version or dependency names */
+  Elf32_Word   vda_next;               /* Offset in bytes to next verdaux
+                                          entry */
+} Elf32_Verdaux;
+
+typedef struct
+{
+  Elf64_Word   vda_name;               /* Version or dependency names */
+  Elf64_Word   vda_next;               /* Offset in bytes to next verdaux
+                                          entry */
+} Elf64_Verdaux;
+
+
+/* Version dependency section.  */
+
+typedef struct
+{
+  Elf32_Half   vn_version;             /* Version of structure */
+  Elf32_Half   vn_cnt;                 /* Number of associated aux entries */
+  Elf32_Word   vn_file;                /* Offset of filename for this
+                                          dependency */
+  Elf32_Word   vn_aux;                 /* Offset in bytes to vernaux array */
+  Elf32_Word   vn_next;                /* Offset in bytes to next verneed
+                                          entry */
+} Elf32_Verneed;
+
+typedef struct
+{
+  Elf64_Half   vn_version;             /* Version of structure */
+  Elf64_Half   vn_cnt;                 /* Number of associated aux entries */
+  Elf64_Word   vn_file;                /* Offset of filename for this
+                                          dependency */
+  Elf64_Word   vn_aux;                 /* Offset in bytes to vernaux array */
+  Elf64_Word   vn_next;                /* Offset in bytes to next verneed
+                                          entry */
+} Elf64_Verneed;
+
+
+/* Legal values for vn_version (version revision).  */
+#define VER_NEED_NONE   0              /* No version */
+#define VER_NEED_CURRENT 1             /* Current version */
+#define VER_NEED_NUM    2              /* Given version number */
+
+/* Auxiliary needed version information.  */
+
+typedef struct
+{
+  Elf32_Word   vna_hash;               /* Hash value of dependency name */
+  Elf32_Half   vna_flags;              /* Dependency specific information */
+  Elf32_Half   vna_other;              /* Unused */
+  Elf32_Word   vna_name;               /* Dependency name string offset */
+  Elf32_Word   vna_next;               /* Offset in bytes to next vernaux
+                                          entry */
+} Elf32_Vernaux;
+
+typedef struct
+{
+  Elf64_Word   vna_hash;               /* Hash value of dependency name */
+  Elf64_Half   vna_flags;              /* Dependency specific information */
+  Elf64_Half   vna_other;              /* Unused */
+  Elf64_Word   vna_name;               /* Dependency name string offset */
+  Elf64_Word   vna_next;               /* Offset in bytes to next vernaux
+                                          entry */
+} Elf64_Vernaux;
+
+
+/* Legal values for vna_flags.  */
+#define VER_FLG_WEAK   0x2             /* Weak version identifier */
+
 
 #define EI_NIDENT      16
 
-- 
1.9.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to