#ifndef VDL_LOOKUP_H

#define VDL_LOOKUP_H

#include <elf.h>

#include <link.h>

#include <stdbool.h>

struct VdlContext;

struct VdlFile;

struct VdlList;

struct VdlLookupResult

{

  bool found;

  const struct VdlFile *file;

  const ElfW(Sym) *symbol;

};

enum VdlLookupFlag {

  // indicates whether the symbol lookup is allowed to 

  // find a matching symbol in the main binary. This is

  // typically used to perform the lookup associated

  // with a R_*_COPY relocation.

  VDL_LOOKUP_NO_EXEC = 1,

  // indicates that no symbol remap should be performed

  // This can be used to get the original symbol back.

  VDL_LOOKUP_NO_REMAP = 2

};

struct VdlLookupResult vdl_lookup (struct VdlFile *from_file,

				   const char *name, 

				   const char *ver_name,

				   const char *ver_filename,

				   enum VdlLookupFlag flags);

struct VdlLookupResult vdl_lookup_local (const struct VdlFile *file, 

					 const char *name);

struct VdlLookupResult vdl_lookup_with_scope (const struct VdlContext *from_context,

					      const char *name, 

					      const char *ver_name,

					      const char *ver_filename,

					      enum VdlLookupFlag flags,

					      struct VdlList *scope);

#endif /* VDL_LOOKUP_H */