src/include/link_elf.h - diff

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Diff for /src/include/link_elf.h between version 1.3 and 1.4

-version 1.3, 2002/09/08 01:28:58
+version 1.4, 2002/09/08 17:55:37
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  /*      $OpenBSD$       */
  /*
-  * Copyright (c) 1996 Per Fogelstrom
+  * Public domain.
-  *
-  * Redistribution and use in source and binary forms, with or without
-  * modification, are permitted provided that the following conditions
-  * are met:
-  * 1. Redistributions of source code must retain the above copyright
-  *    notice, this list of conditions and the following disclaimer.
-  * 2. Redistributions in binary form must reproduce the above copyright
-  *    notice, this list of conditions and the following disclaimer in the
-  *    documentation and/or other materials provided with the distribution.
-  * 3. All advertising materials mentioning features or use of this software
-  *    must display the following acknowledgement:
-  *      This product includes software developed under OpenBSD by
-  *      Per Fogelstrom.
-  * 4. The name of the author may not be used to endorse or promote products
-  *    derived from this software without specific prior written permission.
-  *
-  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
-  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
-  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-  * SUCH DAMAGE.
-  *
   */
  #ifndef _LINK_ELF_H
+ #define _LINK_ELF_H
  #include <elf_abi.h>
-Line 40
+Line 13
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  #define DT_PROCNUM 0
  #endif
- /* Structure describing a loaded shared object.  The `l_next' and `l_prev'
+ /*
-    members form a chain of all the shared objects loaded at startup.
+  * struct link_map is a part of the protocol between the debugger and
+  * ld.so. ld.so may have additional fields in it's version of this
-    These data structures exist in space used by the run-time dynamic linker;
+  * stucture but those are ld.so private fields.
-    modifying them may have disastrous results.  */
+  */
+ struct link_map {
- struct link_map
+         caddr_t         l_addr;         /* Base address of library */
-   {
+         const char      *l_name;        /* Absolute path to library */
-     /* These first few members are part of the protocol with the debugger.
+         void            *l_ld;          /* pointer to _DYNAMIC */
-        This is the same format used in SVR4.  */
+         struct link_map *l_next;
+         struct link_map *l_prev;
-     Elf_Addr l_addr;            /* Base address shared object is loaded at.  */
+ };
-     Elf_Addr l_offs;            /* Offset */
-     char *l_name;               /* Absolute file name object was found in.  */
-     Elf_Dyn *l_ld;              /* Dynamic section of the shared object.  */
-     struct link_map *l_next, *l_prev; /* Chain of loaded objects.  */
-     /* All following members are internal to the dynamic linker.
-        They may change without notice.  */
-     const char *l_libname;      /* Name requested (before search).  */
-     /* Indexed pointers to dynamic section.  */
-     Elf_Dyn *l_info[DT_NUM + DT_PROCNUM];
-     const Elf_Phdr *l_phdr;     /* Pointer to program header table in core.  */
-     Elf_Word l_phnum;           /* Number of program header entries.  */
-     Elf_Addr l_entry;           /* Entry point location.  */
-     /* Symbol hash table.  */
-     Elf_Word l_nbuckets;
-     const Elf_Word *l_buckets, *l_chain;
-     unsigned int l_opencount;   /* Reference count for dlopen/dlclose.  */
-     enum                        /* Where this object came from.  */
-       {
-         lt_executable,          /* The main executable program.  */
-         lt_interpreter,         /* The interpreter: the dynamic linker.  */
-         lt_library,             /* Library needed by main executable.  */
-         lt_loaded               /* Extra run-time loaded shared object.  */
-       } l_type:2;
-     unsigned int l_deps_loaded:1; /* Nonzero if DT_NEEDED items loaded.  */
-     unsigned int l_relocated:1; /* Nonzero if object's relocations done.  */
-     unsigned int l_init_called:1; /* Nonzero if DT_INIT function called.  */
-     unsigned int l_init_running:1; /* Nonzero while DT_INIT function runs.  */
-   };
  #endif /* !_LINK_ELF_H */