diff options
author | Chris Johns <chrisj@rtems.org> | 2012-05-07 08:47:11 +1000 |
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committer | Chris Johns <chrisj@rtems.org> | 2012-05-07 08:47:11 +1000 |
commit | 75bb1e696321cf1b9ac6b124312b57560a06ff39 (patch) | |
tree | 510f1acc95a08ef2761aab7efba82ef5af894c8a /rld-elf.h |
Add to git.
Diffstat (limited to 'rld-elf.h')
-rw-r--r-- | rld-elf.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/rld-elf.h b/rld-elf.h new file mode 100644 index 0000000..763ab55 --- /dev/null +++ b/rld-elf.h @@ -0,0 +1,121 @@ +/* + * 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 ELF module manages the libelf interface. + * + */ + +#if !defined (_RLD_ELF_H_) +#define _RLD_ELF_H_ + +#include <list> + +#include <rld.h> + +namespace rld +{ + namespace elf + { + /** + * Sections. + */ + struct section + { + int index; //< The section header index. + std::string name; //< The section's name. + elf_scn* scn; //< ELF private section data. + elf_shdr shdr; //< The section header. + elf_data* data; //< The section's data. + + /** + * Construct the section and get the data value. + */ + section (int index, + std::string& name, + elf_scn* scn, + elf_shdr& sdhr); + + /** + * Default constructor. + */ + section (); + }; + + /** + * Container of section headers. + */ + typedef std::list < section > sections; + + /** + * Get the machine type detected in the object files as their headers are read. + */ + const std::string machine_type (); + + /** + * Begin a libelf session with the image. + */ + void begin (rld::files::image& image); + + /** + * End the libelf session with the image. + */ + void end (rld::files::image& image); + + /** + * Get the ELF header. + */ + void get_header (rld::files::image& image, elf_ehdr& ehdr); + + /** + * Get the section headers for an object file. + */ + void get_section_headers (rld::files::object& object, + sections& secs, + unsigned int type = SHT_NULL); + + /** + * Load the symbol table with the symbols. + */ + void load_symbol_table (rld::symbols::table& exported, + rld::files::object& object, + section& sec, + bool local = false, + bool weak = true, + bool global = true); + + /** + * Load the symbol table with an object's symbols. + */ + void load_symbols (rld::symbols::table& symbols, + rld::files::object& object, + bool local = false, + bool weak = true, + bool global = true); + + /** + * Get a string. + */ + std::string get_string (rld::files::object& object, + int section, + size_t offset); + } +} + +#endif |