[src/trunk]: src/sys/sys Add defns for Elf{32,64}_Syminfo.

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e96d539feeb0
branches:  trunk
changeset: 750202:e96d539feeb0
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sun Dec 20 05:50:20 2009 +0000

description:
Add defns for Elf{32,64}_Syminfo.

diffstat:

 sys/sys/exec_elf.h |  35 ++++++++++++++++++++++++++++++++++-
 1 files changed, 34 insertions(+), 1 deletions(-)

diffs (49 lines):

diff -r f511c6630f45 -r e96d539feeb0 sys/sys/exec_elf.h
--- a/sys/sys/exec_elf.h        Sun Dec 20 04:49:09 2009 +0000
+++ b/sys/sys/exec_elf.h        Sun Dec 20 05:50:20 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: exec_elf.h,v 1.99 2009/12/19 09:02:46 thorpej Exp $    */
+/*     $NetBSD: exec_elf.h,v 1.100 2009/12/20 05:50:20 thorpej Exp $   */
 
 /*-
  * Copyright (c) 1994 The NetBSD Foundation, Inc.
@@ -897,6 +897,39 @@
 #define        ELF64_ST_INFO(bind,type)        ELF_ST_INFO(bind,type)
 #define        ELF64_ST_VISIBILITY(other)      ELF_ST_VISIBILITY(other)
 
+typedef struct {
+       Elf32_Half      si_boundto;     /* direct bindings - symbol bound to */
+       Elf32_Half      si_flags;       /* per symbol flags */
+} Elf32_Syminfo;
+
+typedef struct {
+       Elf64_Half      si_boundto;     /* direct bindings - symbol bound to */
+       Elf64_Half      si_flags;       /* per symbol flags */
+} Elf64_Syminfo;
+
+#define        SYMINFO_FLG_DIRECT      0x0001  /* symbol ref has direct association
+                                          to object containing definition */
+#define        SYMINFO_FLG_PASSTHRU    0x0002  /* ignored - see SYMINFO_FLG_FILTER */
+#define        SYMINFO_FLG_COPY        0x0004  /* symbol is a copy-reloc */
+#define        SYMINFO_FLG_LAZYLOAD    0x0008  /* object containing defn should be
+                                          lazily-loaded */
+#define        SYMINFO_FLG_DIRECTBIND  0x0010  /* ref should be bound directly to
+                                          object containing definition */
+#define        SYMINFO_FLG_NOEXTDIRECT 0x0020  /* don't let an external reference
+                                          directly bind to this symbol */
+#define        SYMINFO_FLG_FILTER      0x0002  /* symbol ref is associated to a */
+#define        SYMINFO_FLG_AUXILIARY   0x0040  /*      standard or auxiliary filter */
+
+#define        SYMINFO_BT_SELF         0xffff  /* symbol bound to self */
+#define        SYMINFO_BT_PARENT       0xfffe  /* symbol bound to parent */
+#define        SYMINFO_BT_NONE         0xfffd  /* no special symbol binding */
+#define        SYMINFO_BT_EXTERN       0xfffc  /* symbol defined as external */
+#define        SYMINFO_BT_LOWRESERVE   0xff00  /* beginning of reserved entries */
+
+#define        SYMINFO_NONE            0       /* Syminfo version */
+#define        SYMINFO_CURRENT         1
+#define        SYMINFO_NUM             2
+
 /*
  * These constants are used for Elf32_Verdef struct's version number.  
  */