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authorIan Lance Taylor <ian@airs.com>1997-02-19 20:36:23 +0000
committerIan Lance Taylor <ian@airs.com>1997-02-19 20:36:23 +0000
commit56c4200b350e60455865ade0d392cd56eb38e901 (patch)
tree81c949ebad159261bbe24338297d8de4e55dd730 /include/elf/common.h
parent7adf26304e5fbf36bde30a6c356c1b403c25b256 (diff)
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From Eric Youngdale <eric@andante.jic.com>:
* external.h, internal.h, common.h: Added new structures and definitions for ELF versions.
Diffstat (limited to 'include/elf/common.h')
-rw-r--r--include/elf/common.h56
1 files changed, 55 insertions, 1 deletions
diff --git a/include/elf/common.h b/include/elf/common.h
index 131ec29..d659f91 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -1,5 +1,5 @@
/* ELF support for BFD.
- Copyright (C) 1991, 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
+ Copyright (C) 1991, 92, 93, 94, 95, 96, 1997 Free Software Foundation, Inc.
Written by Fred Fish @ Cygnus Support, from information published
in "UNIX System V Release 4, Programmers Guide: ANSI C and
@@ -179,6 +179,18 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define SHT_REL 9 /* Relocation entries, no addends */
#define SHT_SHLIB 10 /* Reserved, unspecified semantics */
#define SHT_DYNSYM 11 /* Dynamic linking symbol table */
+
+/* The next three section types are defined by Solaris, and are named
+ SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU*
+ versions. */
+#define SHT_SUNW_verdef 0x6ffffffd /* Versions defined by file */
+#define SHT_SUNW_verneed 0x6ffffffe /* Versions needed by file */
+#define SHT_SUNW_versym 0x6fffffff /* Symbol versions */
+
+#define SHT_GNU_verdef SHT_SUNW_verdef
+#define SHT_GNU_verneed SHT_SUNW_verneed
+#define SHT_GNU_versym SHT_SUNW_versym
+
#define SHT_LOPROC 0x70000000 /* Processor-specific semantics, lo */
#define SHT_HIPROC 0x7FFFFFFF /* Processor-specific semantics, hi */
#define SHT_LOUSER 0x80000000 /* Application-specific semantics */
@@ -273,6 +285,17 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define DT_DEBUG 21
#define DT_TEXTREL 22
#define DT_JMPREL 23
+
+/* The next four dynamic tags are used on Solaris. We support them
+ everywhere. */
+#define DT_VERDEF 0x6ffffffc
+#define DT_VERDEFNUM 0x6ffffffd
+#define DT_VERNEED 0x6ffffffe
+#define DT_VERNEEDNUM 0x6fffffff
+
+/* This tag is a GNU extension to the Solaris version scheme. */
+#define DT_VERSYM 0x6ffffff0
+
#define DT_LOPROC 0x70000000
#define DT_HIPROC 0x7fffffff
@@ -282,4 +305,35 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define DT_AUXILIARY 0x7ffffffd
#define DT_FILTER 0x7fffffff
+/* These constants are used for the version number of a Elf32_Verdef
+ structure. */
+
+#define VER_DEF_NONE 0
+#define VER_DEF_CURRENT 1
+
+/* These constants appear in the vd_flags field of a Elf32_Verdef
+ structure. */
+
+#define VER_FLG_BASE 0x1
+#define VER_FLG_WEAK 0x2
+
+/* These special constants can be found in an Elf32_Versym field. */
+
+#define VER_NDX_LOCAL 0
+#define VER_NDX_GLOBAL 1
+
+/* These constants are used for the version number of a Elf32_Verneed
+ structure. */
+
+#define VER_NEED_NONE 0
+#define VER_NEED_CURRENT 1
+
+/* This is a special token which appears as part of a symbol name. It
+ indictes that the rest of the name is actually the name of a
+ version node, and is not part of the actual name. This is a GNU
+ extension. For example, the symbol name `stat@ver2' is taken to
+ mean the symbol `stat' in version `ver2'. */
+
+#define ELF_VER_CHR '@'
+
#endif /* _ELF_COMMON_H */