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1 files changed, 153 insertions, 0 deletions

diff --git a/rld.h b/rld.h
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+/*
+ * Copyright (c) 2011, Chris Johns <chrisj@rtems.org> 
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+/**
+ * @file
+ *
+ * @ingroup rtems-ld
+ *
+ * @brief RTEMS Linker readies the RTEMS object files for dynamic linking.
+ *
+ */
+
+#if !defined (_RLD_H_)
+#define _RLD_H_
+
+#include <iostream>
+#include <sstream>
+#include <string>
+
+/**
+ * Path handling for Windows.
+ */
+#if __WIN32__
+#define RLD_PATH_SEPARATOR        '\\'
+#define RLD_PATHSTR_SEPARATOR     ';'
+#define RLD_PATHSTR_SEPARATOR_STR ";"
+#define RLD_DRIVE_SEPARATOR       (1)
+#else
+#define RLD_PATH_SEPARATOR        '/'
+#define RLD_PATHSTR_SEPARATOR     ':'
+#define RLD_PATHSTR_SEPARATOR_STR ":"
+#define RLD_DRIVE_SEPARATOR       (0)
+#endif
+
+namespace rld
+{
+  /**
+   * Forward declarations.
+   */
+  namespace files
+  {
+    class file;
+    class image;
+    class archive;
+    class object;
+  }
+}
+
+#include <rld-elf-types.h>
+#include <rld-symbols.h>
+#include <rld-elf.h>
+#include <rld-files.h>
+
+/**
+ * The debug levels.
+ */
+#define RLD_VERBOSE_OFF        (0)
+#define RLD_VERBOSE_INFO       (1)
+#define RLD_VERBOSE_DETAILS    (2)
+#define RLD_VERBOSE_TRACE      (3)
+#define RLD_VERBOSE_FULL_DEBUG (4)
+
+namespace rld
+{
+  /**
+   * Convert a supported type to a string.
+   */
+  template <class T>
+  std::string to_string (T t, std::ios_base & (*f)(std::ios_base&) = std::dec)
+  {
+    std::ostringstream oss;
+    oss << f << t;
+    return oss.str();
+  }
+
+  /**
+   * General error.
+   */
+  struct error
+  {
+    const std::string what;
+    const std::string where;
+
+    error (const std::ostringstream& what, const std::string& where) :
+      what (what.str ()), where (where) {
+    }
+
+    error (const std::string& what, const std::string& where) :
+      what (what), where (where) {
+    }
+  };
+
+  /**
+   * A convenience macro to make where a file and line number.
+   */
+  #define rld_error_at(_what) \
+    rld::error (_what, std::string (__FILE__) + ":" + to_string (__LINE__))
+
+  /**
+   * Increment the verbose level.
+   */
+  void verbose_inc ();
+
+  /**
+   * Return the verbose level. Setting the flag more than once raises the
+   * level.
+   */
+  int verbose ();
+
+  /**
+   * The version string.
+   */
+  const std::string version ();
+
+  /**
+   * The RTEMS version string.
+   */
+  const std::string rtems_version ();
+
+  /**
+   * Container of strings to hold the results of a split.
+   */
+  typedef std::vector < std::string > strings;
+
+  /**
+   * Split a string into strings by the separator.
+   */
+  void split (const std::string& str, strings& strs, char separator);
+
+  /**
+   * Map of the symbol table.
+   */
+  void map (rld::files::cache& cache, rld::symbols::table& symbols);
+
+  /**
+   * Warn is externals in referenced object files are not used.
+   */
+  void warn_unused_externals (rld::files::object_list& objects);
+}
+
+#endif