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#include <async.h>
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#include <async.h>
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#include <as.h>
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#include <as.h>
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#include <elf.h>
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#include <elf.h>
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#include <elf_load.h>
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#include <elf_load.h>
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#include <arch/pcb.h>
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/**
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/**
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 * Bias used for loading the dynamic linker. This will be soon replaced
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 * Bias used for loading the dynamic linker. This will be soon replaced
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 * by automatic placement.
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 * by automatic placement.
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 */
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 */
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#define RTLD_BIAS 0x80000
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#define RTLD_BIAS 0x80000
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/** Pathname of the file that will be loaded */
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/** Pathname of the file that will be loaded */
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static char *pathname = NULL;
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static char *pathname = NULL;
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/** The Program control block */
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static pcb_t pcb;
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/** Receive a call setting pathname of the program to execute.
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/** Receive a call setting pathname of the program to execute.
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 *
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 *
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 * @param rid
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 * @param rid
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 * @param request
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 * @param request
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 */
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 */
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 * @return 0 on success, !0 on error.
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 * @return 0 on success, !0 on error.
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 */
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 */
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static int iloader_run(ipc_callid_t rid, ipc_call_t *request)
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static int iloader_run(ipc_callid_t rid, ipc_call_t *request)
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{
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{
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    int rc;
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    int rc;
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    pcb_t *pcb;
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    elf_info_t prog_info;
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    elf_info_t prog_info;
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    elf_info_t interp_info;
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    elf_info_t interp_info;
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//  printf("Load program '%s'\n", pathname);
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//  printf("Load program '%s'\n", pathname);
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        ipc_answer_0(rid, EINVAL);
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        ipc_answer_0(rid, EINVAL);
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        return 1;
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        return 1;
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    }
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    }
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//  printf("Create PCB\n");
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//  printf("Create PCB\n");
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    if (elf_create_pcb(&prog_info) < 0) {
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    elf_create_pcb(&prog_info, &pcb);
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        ipc_answer_0(rid, ENOMEM);
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        return 1;
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    }
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    if (prog_info.interp == NULL) {
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    if (prog_info.interp == NULL) {
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        /* Statically linked program */
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        /* Statically linked program */
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//      printf("Run statically linked program\n");
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//      printf("Run statically linked program\n");
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//      printf("entry point: 0x%llx\n", prog_info.entry);
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//      printf("entry point: 0x%llx\n", prog_info.entry);
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        ipc_answer_0(rid, EOK);
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        ipc_answer_0(rid, EOK);
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        close_console();
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        close_console();
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        elf_run(&prog_info, __pcb_get());
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        elf_run(&prog_info, &pcb);
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        return 0;
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        return 0;
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    }
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    }
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    printf("Load dynamic linker '%s'\n", prog_info.interp);
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    printf("Load dynamic linker '%s'\n", prog_info.interp);
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    rc = elf_load_file("/rtld.so", RTLD_BIAS, &interp_info);
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    rc = elf_load_file("/rtld.so", RTLD_BIAS, &interp_info);
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    }
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    }
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    /*
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    /*
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     * Provide dynamic linker with some useful data
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     * Provide dynamic linker with some useful data
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     */
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     */
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    pcb = (pcb_t *)PCB_ADDRESS;
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    pcb->rtld_dynamic = interp_info.dynamic;
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    pcb.rtld_dynamic = interp_info.dynamic;
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    pcb->rtld_bias = RTLD_BIAS;
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    pcb.rtld_bias = RTLD_BIAS;
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    printf("run dynamic linker\n");
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    printf("run dynamic linker\n");
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    printf("entry point: 0x%llx\n", interp_info.entry);
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    printf("entry point: 0x%llx\n", interp_info.entry);
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    close_console();
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    close_console();
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    ipc_answer_0(rid, EOK);
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    ipc_answer_0(rid, EOK);
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    elf_run(&interp_info, __pcb_get());
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    elf_run(&interp_info, &pcb);
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    /* Not reached(?) */
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    /* Not reached */
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    return 0;
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    return 0;
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}
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}
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/** Handle loader connection.
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/** Handle loader connection.
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 *
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 *
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    ipc_answer_0(callid, EOK);
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    ipc_answer_0(callid, EOK);
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    phone_hash = call.in_phone_hash;
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    phone_hash = call.in_phone_hash;
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    /*
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    /*
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     * FIXME: up until now no async calls can be used!!!
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     * Up until now async must not be used as it couldn't
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     * (Which means e.g. printf() cannot be used)
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     * handle incoming requests. (Which means e.g. printf()
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     * cannot be used)
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     */
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     */
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    async_new_connection(phone_hash, 0, NULL, loader_connection);
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    async_new_connection(phone_hash, 0, NULL, loader_connection);
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    async_manager();
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    async_manager();
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    /* not reached */
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    /* not reached */