231 lines
6.2 KiB
C
231 lines
6.2 KiB
C
/* radare - LGPL - Copyright 2009-2014 - pancake, nibble, Adam Pridgen <dso@rice.edu || adam.pridgen@thecoverofnight.com> */
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#include <r_types.h>
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#include <r_util.h>
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#include <r_lib.h>
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#include <r_bin.h>
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#undef R_API
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#define R_API static
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#include "../../shlr/java/class.c"
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#undef R_API
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#define R_API
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#define IFDBG_BIN_JAVA if(0)
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static Sdb *DB = NULL;
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static void add_bin_obj_to_sdb(RBinJavaObj *bin);
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static int add_sdb_bin_obj(const char *key, RBinJavaObj *bin_obj);
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static int init(void *user) {
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IFDBG_BIN_JAVA eprintf ("Calling plugin init = %d.\n", DB?1:0);
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if (!DB) {
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IFDBG_BIN_JAVA eprintf ("plugin DB beeing initted.\n");
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DB = sdb_new ("bin.java", NULL, 0);
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} else {
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IFDBG_BIN_JAVA eprintf ("plugin DB already initted.\n");
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}
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return 0;
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}
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static int add_sdb_bin_obj(const char *key, RBinJavaObj *bin_obj) {
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int result = R_FALSE;
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char *addr, value[1024] = {0};
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addr = sdb_itoa ((ut64)(size_t)bin_obj, value, 16);
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if (key && bin_obj && DB) {
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IFDBG_BIN_JAVA eprintf ("Adding %s:%s to the bin_objs db\n", key, addr);
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sdb_set (DB, key, addr, 0);
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result = R_TRUE;
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}
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return result;
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}
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static void add_bin_obj_to_sdb(RBinJavaObj *bin) {
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char * jvcname = NULL;
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if (bin) {
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jvcname = r_bin_java_build_obj_key (bin);
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add_sdb_bin_obj (jvcname, bin);
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free (jvcname);
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}
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}
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static int load(RBinFile *arch) {
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struct r_bin_java_obj_t* bin_obj = NULL;
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int result = R_FALSE;
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bin_obj = r_bin_java_new_buf (arch->buf, arch->o->loadaddr, arch->o->kv);
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if (bin_obj) {
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if (arch->o->kv == NULL) arch->o->kv = bin_obj->kv;
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arch->o->bin_obj = bin_obj;
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bin_obj->AllJavaBinObjs = DB;
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// XXX - /\ this is a hack, but (one way but) necessary to get access to
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// the object addrs from anal. If only global variables are used,
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// they get "lost" somehow after they are initialized and go out of
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// scope.
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//
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// There are several points of indirection, but here is the gist:
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// 1) RAnal->(through RBinBind) RBin->RBinJavaObj->DB
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//
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// The purpose is to ensure that information about a give class file
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// can be grabbed at any time from RAnal. This was tried with global
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// variables, but failed when attempting to access the DB
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// in the class.c scope. Once DB was moved here, it is initialized
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// once here and assigned to each of the other RBinJavaObjs.
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//
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// Now, the RAnal component of radare can get to each of the
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// RBinJavaObjs for analysing functions and dependencies using an Sdb.
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add_bin_obj_to_sdb (bin_obj);
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if (arch->file)
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bin_obj->file = strdup (arch->file);
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result = R_TRUE;
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}
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return result;
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}
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static int destroy(RBinFile *arch) {
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r_bin_java_free ((struct r_bin_java_obj_t*)arch->o->bin_obj);
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sdb_free (DB);
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DB = NULL;
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return R_TRUE;
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}
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static RList* entries(RBinFile *arch) {
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return r_bin_java_get_entrypoints (arch->o->bin_obj);
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}
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static ut64 baddr(RBinFile *arch) {
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return 0;
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}
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static RList* classes(RBinFile *arch) {
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return r_bin_java_get_classes((struct r_bin_java_obj_t*)arch->o->bin_obj);
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}
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static RList* symbols(RBinFile *arch) {
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return r_bin_java_get_symbols ((struct r_bin_java_obj_t*)arch->o->bin_obj);
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}
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static RList* strings(RBinFile *arch) {
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return r_bin_java_get_strings((struct r_bin_java_obj_t*)arch->o->bin_obj);
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}
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static RBinInfo* info(RBinFile *arch) {
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RBinInfo *ret = NULL;
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char *version;
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if (!(ret = R_NEW (RBinInfo)))
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return NULL;
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memset (ret, '\0', sizeof (RBinInfo));
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ret->lang = "java";
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strncpy (ret->file, arch->file, R_BIN_SIZEOF_STRINGS-1);
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strncpy (ret->rpath, "NONE", R_BIN_SIZEOF_STRINGS-1);
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strncpy (ret->type, "JAVA CLASS", R_BIN_SIZEOF_STRINGS-1);
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version = r_bin_java_get_version (arch->o->bin_obj);
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strncpy (ret->bclass, version, R_BIN_SIZEOF_STRINGS-1);
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free (version);
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ret->has_va = 0;
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strncpy (ret->rclass, "class", R_BIN_SIZEOF_STRINGS-1);
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strncpy (ret->os, "any", R_BIN_SIZEOF_STRINGS-1);
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strncpy (ret->subsystem, "any", R_BIN_SIZEOF_STRINGS-1);
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strncpy (ret->machine, "Java VM", R_BIN_SIZEOF_STRINGS-1);
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strncpy (ret->arch, "java", R_BIN_SIZEOF_STRINGS-1);
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ret->bits = 32;
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ret->big_endian = 0;
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ret->dbg_info = 4 | 8; /* LineNums | Syms */
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return ret;
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}
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static int check(RBinFile *arch) {
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int off, ret = R_FALSE;
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int version = 0;
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if (arch && arch->buf && arch->buf->buf && arch->buf->length>10)
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if (!memcmp (arch->buf->buf, "\xca\xfe\xba\xbe", 4)) {
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memcpy (&off, arch->buf->buf+4*sizeof(int), sizeof(int));
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version = arch->buf->buf[6] | (arch->buf->buf[7] <<8);
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if (version <1024) // IT's A MACH0!
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return R_FALSE;
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r_mem_copyendian ((ut8*)&off, (ut8*)&off, sizeof(int), !LIL_ENDIAN);
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//eprintf ("VERSION = %d\n", version);
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// TODO: FIND __TEXT
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ret = R_TRUE;
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}
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return ret;
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}
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static int retdemangle(const char *str) {
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return R_BIN_NM_JAVA;
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}
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static RBinAddr* binsym(RBinFile *arch, int sym) {
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return r_bin_java_get_entrypoint(arch->o->bin_obj, sym);
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}
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static RList* lines(RBinFile *arch) {
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char *file = arch->file ? strdup (arch->file) : strdup ("");
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RList *list = r_list_newf (free);
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file = r_str_replace (file, ".class", ".java", 0);
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/*
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int i;
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RBinJavaObj *b = arch->o->bin_obj;
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for (i=0; i<b->lines.count; i++) {
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RBinDwarfRow *row = R_NEW0(RBinDwarfRow);
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r_bin_dwarf_line_new (row, b->lines.addr[i], file, b->lines.line[i]);
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r_list_append (list, row);
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}*/
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free (file);
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return list;
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}
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static RList* sections(RBinFile *arch) {
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return r_bin_java_get_sections (arch->o->bin_obj);
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}
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static RList* imports(RBinFile *arch) {
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return r_bin_java_get_imports (arch->o->bin_obj);
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}
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static RList* fields(RBinFile *arch) {
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return r_bin_java_get_fields (arch->o->bin_obj);
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}
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static RList* libs(RBinFile *arch) {
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return r_bin_java_get_lib_names (arch->o->bin_obj);
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}
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RBinPlugin r_bin_plugin_java = {
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.name = "java",
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.desc = "java bin plugin",
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.license = "LGPL3",
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.init = init,
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.fini = NULL,
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.load = &load,
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.destroy = &destroy,
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.check = &check,
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.baddr = &baddr,
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.boffset = NULL,
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.binsym = binsym,
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.entries = &entries,
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.sections = sections,
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.symbols = symbols,
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.imports = &imports,
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.strings = &strings,
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.info = &info,
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.fields = fields,
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.libs = libs,
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.relocs = NULL,
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.dbginfo = NULL,
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.lines = &lines,
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.write = NULL,
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.classes = classes,
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.demangle_type = retdemangle,
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.minstrlen = 3,
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.user = NULL
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};
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#ifndef CORELIB
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struct r_lib_struct_t radare_plugin = {
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.type = R_LIB_TYPE_BIN,
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.data = &r_bin_plugin_java
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};
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#endif
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