INNER CODE UNIT · C++

fd

tiann/epic · library/src/main/cpp/fake_dlfcn.cpp:85

    int k, fd = -1, found = 0;
    char *shoff;
    Elf_Ehdr *elf = (Elf_Ehdr *) MAP_FAILED;

#define fatal(fmt, args...) do { log_err(fmt,##args); goto err_exit; } while(0)

    maps = fopen("/proc/self/maps", "r");
    if (!maps) fatal("failed to open maps");

    while (!found && fgets(buff, sizeof(buff), maps)) {
        if (strstr(buff, libpath) && (strstr(buff, "r-xp") || strstr(buff, "r--p"))) found = 1;
    }
    fclose(maps);

    if (!found) fatal("%s not found in my userspace", libpath);

    if (sscanf(buff, "%lx", &load_addr) != 1)
        fatal("failed to read load address for %s", libpath);

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