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/*
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/*
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 * Copyright (c) 2008 Jiri Svoboda
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 * Copyright (c) 2008 Jiri Svoboda
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 * All rights reserved.
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 * All rights reserved.
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 *
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * are met:
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 *
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 *
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 * - Redistributions of source code must retain the above copyright
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *   derived from this software without specific prior written permission.
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 *
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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/** @addtogroup rtld rtld
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/** @addtogroup rtld rtld
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 * @brief
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 * @brief
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 * @{
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 * @{
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 */
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 */
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/**
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/**
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 * @file
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 * @file
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 */
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 */
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#include <stdio.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <loader/pcb.h>
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#include <rtld.h>
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#include <rtld.h>
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#include <dynamic.h>
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#include <elf_load.h>
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#include <module.h>
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#include <rtld_arch.h>
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runtime_env_t runtime_env;
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runtime_env_t runtime_env;
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void program_run(void *entry, pcb_t *pcb);
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static void rtld_main(void)
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{
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    static module_t prog;
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    DPRINTF("Hello, world! (from rtld)\n");
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    /*
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     * First we need to process dynamic sections of the executable
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     * program and insert it into the module graph.
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     */
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    DPRINTF("Parse program .dynamic section at 0x%x\n", __pcb->dynamic);
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    dynamic_parse(__pcb->dynamic, 0, &prog.dyn);
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    prog.bias = 0;
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    prog.dyn.soname = "[program]";
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    /* Initialize list of loaded modules */
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    list_initialize(&runtime_env.modules_head);
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    list_append(&prog.modules_link, &runtime_env.modules_head);
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    /* Pointer to program module. Used as root of the module graph. */
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    runtime_env.program = &prog;
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    /*
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     * Now we can continue with loading all other modules.
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     */
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    DPRINTF("Load all program dependencies\n");
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    module_load_deps(&prog);
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    /*
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     * Now relocate/link all modules together.
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     */
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    /* Process relocations in all modules */
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    DPRINTF("Relocate all modules\n");
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    modules_process_relocs();
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    /*
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     * Finally, run the main program.
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     */
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    DPRINTF("Run program.. (at 0x%lx)\n", (uintptr_t)__pcb->entry);
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#ifndef RTLD_DEBUG
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    close_console();
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#endif
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    program_run(__pcb->entry, __pcb);
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}
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int main(int argc, char *argv[])
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{
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    rtld_main();
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    return 0;
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}
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/** @}
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/** @}
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 */
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 */
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