mirror of
https://github.com/radareorg/radare2.git
synced 2024-12-06 20:48:51 +00:00
08e5b4aaad
* r_bin_close should be r_bin_file_close * moved bin/open.c into bin.c * set BinFile id in r_bin_load_io * use r_bin_open_io instead of r_bin_load_io * also prefer RBinOptions instead of multiple arguments * rename r_bin_load to r_bin_open and use RBinOptions
517 lines
16 KiB
C
517 lines
16 KiB
C
#ifndef INCLUDE_HEAP_JEMALLOC_STD_C
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#define INCLUDE_HEAP_JEMALLOC_STD_C
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#define HEAP32 1
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#include "linux_heap_jemalloc.c"
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#undef HEAP32
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#endif
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#undef GH
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#undef GHT
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#undef GHT_MAX
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#undef PFMTx
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#if HEAP32
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#define GH(x) x##_32
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#define GHT ut32
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#define GHT_MAX UT32_MAX
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#define PFMTx PFMT32x
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#else
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#define GH(x) x##_64
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#define GHT ut64
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#define GHT_MAX UT64_MAX
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#define PFMTx PFMT64x
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#endif
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#if __linux__
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// TODO: provide proper api in cbin to resolve symbols and load libraries from debug maps and such
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// this is, provide a programatic api for the slow dmi command
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static GHT GH(je_get_va_symbol)(const char *path, const char *symname) {
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RListIter *iter;
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RBinSymbol *s;
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RCore *core = r_core_new ();
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RList * syms = NULL;
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GHT vaddr = 0LL;
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if (!core) {
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return GHT_MAX;
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}
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RBinOptions opt;
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r_bin_options_init (&opt, -1, 0, 0, false);
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r_bin_open (core->bin, path, &opt);
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syms = r_bin_get_symbols (core->bin);
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if (!syms) {
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return GHT_MAX;
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}
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r_list_foreach (syms, iter, s) {
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if (!strcmp(s->name, symname)) {
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vaddr = s->vaddr;
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break;
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}
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}
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r_core_free (core);
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return vaddr;
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}
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static int GH(je_matched)(const char *ptr, const char *str) {
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int ret = strncmp (ptr, str, strlen (str) - 1);
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return !ret;
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}
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#endif
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static bool GH(r_resolve_jemalloc)(RCore *core, char *symname, ut64 *symbol) {
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RListIter *iter;
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RDebugMap *map;
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const char *jemalloc_ver_end = NULL;
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ut64 jemalloc_addr = UT64_MAX;
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if (!core || !core->dbg || !core->dbg->maps){
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return false;
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}
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r_debug_map_sync (core->dbg);
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r_list_foreach (core->dbg->maps, iter, map) {
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if (strstr (map->name, "libjemalloc.")) {
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jemalloc_addr = map->addr;
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jemalloc_ver_end = map->name;
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break;
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}
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}
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if (!jemalloc_ver_end) {
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eprintf ("Warning: Is jemalloc mapped in memory? (see dm command)\n");
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return false;
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}
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#if __linux__
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bool is_debug_file = GH(je_matched)(jemalloc_ver_end, "/usr/local/lib");
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if (!is_debug_file) {
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eprintf ("Warning: Is libjemalloc.so.2 in /usr/local/lib path?\n");
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return false;
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}
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char *path = r_str_newf ("%s", jemalloc_ver_end);
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if (r_file_exists (path)) {
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ut64 vaddr = GH(je_get_va_symbol)(path, symname);
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if (jemalloc_addr != GHT_MAX && vaddr != 0) {
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*symbol = jemalloc_addr + vaddr;
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free (path);
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return true;
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}
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}
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free (path);
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return false;
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#else
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eprintf ("[*] Resolving %s from libjemalloc.2... ", symname);
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// this is quite sloooow, we must optimize dmi
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char *va = r_core_cmd_strf (core, "dmi libjemalloc.2 %s$~[1]", symname, symname);
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ut64 n = r_num_get (NULL, va);
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if (n && n != UT64_MAX) {
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*symbol = n;
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eprintf ("0x%08"PFMT64x"\n", n);
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} else {
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eprintf ("NOT FOUND\n");
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}
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free (va);
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return true;
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#endif
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}
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static void GH(jemalloc_get_chunks)(RCore *core, const char *input) {
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ut64 cnksz;
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if (!GH(r_resolve_jemalloc)(core, "je_chunksize", &cnksz)) {
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eprintf ("Fail at read symbol je_chunksize\n");
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return;
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}
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r_io_read_at (core->io, cnksz, (ut8 *)&cnksz, sizeof (GHT));
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switch (input[0]) {
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case '\0':
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eprintf ("need an arena_t to associate chunks");
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break;
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case ' ':
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{
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GHT arena = GHT_MAX;
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arena_t *ar = R_NEW0 (arena_t);
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extent_node_t *node = R_NEW0 (extent_node_t), *head = R_NEW0 (extent_node_t);
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input += 1;
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arena = r_num_math (core->num, input);
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if (arena) {
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r_io_read_at (core->io, arena, (ut8 *)ar, sizeof (arena_t));
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r_io_read_at (core->io, (GHT)(size_t)ar->achunks.qlh_first, (ut8 *)head, sizeof (extent_node_t));
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if (head->en_addr) {
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PRINT_YA (" Chunk - start: ");
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PRINTF_BA ("0x%08"PFMT64x, (ut64)(size_t)head->en_addr);
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PRINT_YA (", end: ");
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PRINTF_BA ("0x%08"PFMT64x, (ut64)(size_t)((char *)head->en_addr + cnksz));
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PRINT_YA (", size: ");
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PRINTF_BA ("0x%08"PFMT64x"\n", (ut64)cnksz);
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r_io_read_at (core->io, (ut64)(size_t)head->ql_link.qre_next, (ut8 *)node, sizeof (extent_node_t));
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while (node && node->en_addr != head->en_addr) {
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PRINT_YA (" Chunk - start: ");
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PRINTF_BA ("0x%08"PFMT64x, (ut64)(size_t)node->en_addr);
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PRINT_YA (", end: ");
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PRINTF_BA ("0x%"PFMTx, ((char *)node->en_addr + cnksz));
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PRINT_YA (", size: ");
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PRINTF_BA ("0x%08"PFMTx"\n", cnksz);
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r_io_read_at (core->io, (ut64)(size_t)node->ql_link.qre_next, (ut8 *)node, sizeof (extent_node_t));
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}
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}
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}
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free (ar);
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free (head);
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free (node);
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break;
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}
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case '*':
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{
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int i = 0;
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ut64 sym;
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GHT arenas = GHT_MAX, arena = GHT_MAX;
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arena_t *ar = R_NEW0 (arena_t);
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extent_node_t *node = R_NEW0 (extent_node_t);
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extent_node_t *head = R_NEW0 (extent_node_t);
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if (!node || !head) {
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eprintf ("Erorr calling calloc\n");
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free (ar);
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free (node);
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free (head);
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return;
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}
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input += 1;
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if (GH(r_resolve_jemalloc) (core, "je_arenas", &sym)) {
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r_io_read_at (core->io, sym, (ut8 *)&arenas, sizeof (GHT));
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for (;;) {
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r_io_read_at (core->io, arenas + i * sizeof (GHT), (ut8 *)&arena, sizeof (GHT));
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if (!arena) {
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break;
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}
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PRINTF_GA ("arenas[%d]: @ 0x%"PFMTx" { \n", i++, (GHT)arena);
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r_io_read_at (core->io, arena, (ut8 *)ar, sizeof (arena_t));
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r_io_read_at (core->io, (GHT)(size_t)ar->achunks.qlh_first, (ut8 *)head, sizeof (extent_node_t));
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if (head->en_addr != 0) {
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PRINT_YA (" Chunk - start: ");
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PRINTF_BA ("0x%08"PFMT64x, (ut64)(size_t)head->en_addr);
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PRINT_YA (", end: ");
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PRINTF_BA ("0x%"PFMTx, ((char *)head->en_addr + cnksz));
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PRINT_YA (", size: ");
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PRINTF_BA ("0x%08"PFMT64x"\n", (ut64)cnksz);
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ut64 addr = (ut64) (size_t)head->ql_link.qre_next;
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r_io_read_at (core->io, addr, (ut8 *)node, sizeof (extent_node_t));
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while (node && head && node->en_addr != head->en_addr) {
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PRINT_YA (" Chunk - start: ");
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PRINTF_BA ("0x%08"PFMT64x, (ut64)(size_t)node->en_addr);
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PRINT_YA (", end: ");
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PRINTF_BA ("0x%"PFMT64x, (ut64)(size_t)((char *)node->en_addr + cnksz));
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PRINT_YA (", size: ");
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PRINTF_BA ("0x%"PFMT64x"\n", cnksz);
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r_io_read_at (core->io, (GHT)(size_t)node->ql_link.qre_next, (ut8 *)node, sizeof (extent_node_t));
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}
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}
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PRINT_GA ("}\n");
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}
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}
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free (ar);
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free (head);
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free (node);
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}
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break;
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}
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}
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static void GH(jemalloc_print_narenas)(RCore *core, const char *input) {
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ut64 symaddr;
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ut64 arenas;
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GHT arena = GHT_MAX;
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arena_t *ar = R_NEW0 (arena_t);
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if (!ar) {
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return;
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}
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arena_stats_t *stats = R_NEW0 (arena_stats_t);
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if (!stats) {
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free (ar);
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return;
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}
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int i = 0;
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GHT narenas = 0;
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switch (input[0]) {
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case '\0':
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if (GH(r_resolve_jemalloc)(core, "narenas_total", &symaddr)) {
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r_io_read_at (core->io, symaddr, (ut8 *)&narenas, sizeof (GHT));
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PRINTF_GA ("narenas : %d\n", narenas);
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}
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if (narenas == 0) {
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eprintf ("No arenas allocated.\n");
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free (stats);
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free (ar);
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return;
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}
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if (narenas == GHT_MAX) {
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eprintf ("Cannot find narenas_total\n");
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free (stats);
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free (ar);
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return;
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}
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if (GH(r_resolve_jemalloc)(core, "je_arenas", &arenas)) {
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r_io_read_at (core->io, arenas, (ut8 *)&arenas, sizeof (GHT));
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PRINTF_GA ("arenas[%d] @ 0x%"PFMTx" {\n", narenas, (GHT)arenas);
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for (i = 0; i < narenas; i++) {
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ut64 at = arenas + (i * sizeof (GHT));
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r_io_read_at (core->io, at, (ut8 *)&arena, sizeof (GHT));
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if (!arena) {
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PRINTF_YA (" arenas[%d]: (empty)\n", i);
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continue;
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}
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PRINTF_YA (" arenas[%d]: ", i);
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PRINTF_BA ("@ 0x%"PFMTx"\n", at);
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}
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}
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PRINT_GA ("}\n");
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break;
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case ' ':
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arena = r_num_math (core->num, input + 1);
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r_io_read_at (core->io, (GHT)arena, (ut8 *)ar, sizeof (arena_t));
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PRINT_GA ("struct arena_s {\n");
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#define OO(x) arena + r_offsetof (arena_t, x)
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PRINTF_BA (" ind = 0x%"PFMTx"\n", ar->ind);
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PRINTF_BA (" nthreads: application allocation = 0x%"PFMTx"\n", (ut32)ar->nthreads[0]);
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PRINTF_BA (" nthreads: internal metadata allocation = 0x%"PFMTx"\n", (ut32)ar->nthreads[1]);
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PRINTF_BA (" lock = 0x%"PFMT64x"\n", OO(lock));
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PRINTF_BA (" stats = 0x%"PFMT64x"\n", OO(stats));
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PRINTF_BA (" tcache_ql = 0x%"PFMT64x"\n", OO(tcache_ql));
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PRINTF_BA (" prof_accumbytes = 0x%"PFMT64x"x\n", (ut64)ar->prof_accumbytes);
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PRINTF_BA (" offset_state = 0x%"PFMT64x"\n", (ut64)ar->offset_state);
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PRINTF_BA (" dss_prec_t = 0x%"PFMT64x"\n", OO(dss_prec));
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PRINTF_BA (" achunks = 0x%"PFMT64x"\n", OO(achunks));
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PRINTF_BA (" extent_sn_next = 0x%"PFMTx"\n", (ut64)(size_t)ar->extent_sn_next);
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PRINTF_BA (" spare = 0x%"PFMT64x"\n", (ut64)(size_t)ar->spare);
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PRINTF_BA (" lg_dirty_mult = 0x%"PFMT64x"\n", (ut64)(ssize_t)ar->lg_dirty_mult);
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PRINTF_BA (" purging = %s\n", r_str_bool (ar->purging));
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PRINTF_BA (" nactive = 0x%"PFMT64x"\n", (ut64)(size_t)ar->nactive);
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PRINTF_BA (" ndirty = 0x%"PFMT64x"\n", (ut64)(size_t)ar->ndirty);
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PRINTF_BA (" runs_dirty = 0x%"PFMT64x"\n", OO(runs_dirty));
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PRINTF_BA (" chunks_cache = 0x%"PFMT64x"\n", OO(chunks_cache));
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PRINTF_BA (" huge = 0x%"PFMT64x"\n", OO(huge));
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PRINTF_BA (" huge_mtx = 0x%"PFMT64x"\n", OO(huge_mtx));
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PRINTF_BA (" chunks_szsnad_cached = 0x%"PFMT64x"\n", OO(chunks_szsnad_cached));
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PRINTF_BA (" chunks_ad_cached = 0x%"PFMT64x"\n", OO(chunks_ad_cached));
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PRINTF_BA (" chunks_szsnad_retained = 0x%"PFMT64x"\n", OO(chunks_szsnad_retained));
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PRINTF_BA (" chunks_ad_cached = 0x%"PFMT64x"\n", OO(chunks_ad_retained));
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PRINTF_BA (" chunks_mtx = 0x%"PFMT64x"\n", OO(chunks_mtx));
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PRINTF_BA (" node_cache = 0x%"PFMT64x"\n", OO(node_cache));
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PRINTF_BA (" node_cache_mtx = 0x%"PFMT64x"\n", OO(node_cache_mtx));
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PRINTF_BA (" chunks_hooks = 0x%"PFMTx"\n", OO(chunk_hooks));
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PRINTF_BA (" bins = %d 0x%"PFMTx"\n", JM_NBINS, OO(bins));
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PRINTF_BA (" runs_avail = %d 0x%"PFMTx"\n", NPSIZES, OO(runs_avail));
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PRINT_GA ("}\n");
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break;
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}
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free (ar);
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free (stats);
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}
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static void GH(jemalloc_get_bins)(RCore *core, const char *input) {
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int i = 0, j;
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ut64 bin_info;
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ut64 arenas;
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GHT arena = GHT_MAX; //, bin = GHT_MAX;
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arena_t *ar = NULL;
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arena_bin_info_t *b = NULL;
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switch (input[0]) {
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case ' ':
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ar = R_NEW0 (arena_t);
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if (!ar) {
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break;
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}
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b = R_NEW0 (arena_bin_info_t);
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if (!b) {
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break;
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}
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if (!GH(r_resolve_jemalloc)(core, "je_arena_bin_info", &bin_info)) {
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eprintf ("Error resolving je_arena_bin_info\n");
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R_FREE (b);
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break;
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}
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if (GH(r_resolve_jemalloc)(core, "je_arenas", &arenas)) {
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r_io_read_at (core->io, arenas, (ut8 *)&arenas, sizeof (GHT));
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PRINTF_GA ("arenas @ 0x%"PFMTx" {\n", (GHT)arenas);
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for (;;) {
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r_io_read_at (core->io, arenas + i * sizeof (GHT), (ut8 *)&arena, sizeof (GHT));
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if (!arena) {
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R_FREE (b);
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break;
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}
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PRINTF_YA (" arenas[%d]: ", i++);
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PRINTF_BA ("@ 0x%"PFMTx, (GHT)arena);
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PRINT_YA (" {\n");
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r_io_read_at (core->io, arena, (ut8 *)ar, sizeof (arena_t));
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for (j = 0; j < JM_NBINS; j++) {
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r_io_read_at (core->io, (GHT)(bin_info + j * sizeof (arena_bin_info_t)),
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(ut8*)b, sizeof (arena_bin_info_t));
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PRINT_YA (" {\n");
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PRINT_YA (" regsize : ");
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PRINTF_BA ("0x%"PFMTx"\n", b->reg_size);
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PRINT_YA (" redzone size ");
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PRINTF_BA ("0x%"PFMTx"\n", b->redzone_size);
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PRINT_YA (" reg_interval : ");
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PRINTF_BA ("0x%"PFMTx"\n", b->reg_interval);
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PRINT_YA (" run_size : ");
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PRINTF_BA ("0x%"PFMTx"\n", b->run_size);
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PRINT_YA (" nregs : ");
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PRINTF_BA ("0x%"PFMTx"\n", b->nregs);
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PRINT_YA (" bitmap_info : ");
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PRINTF_BA ("0x%"PFMTx"\n", b->bitmap_info);
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PRINT_YA (" reg0_offset : ");
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PRINTF_BA ("0x%"PFMTx"\n\n", b->reg0_offset);
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PRINTF_YA (" bins[%d]->lock ", j);
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PRINTF_BA ("= 0x%"PFMTx"\n", ar->bins[j].lock);
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PRINTF_YA (" bins[%d]->runcur ", j);
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PRINTF_BA ("@ 0x%"PFMTx"\n", ar->bins[j].runcur);
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PRINTF_YA (" bins[%d]->runs ", j);
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PRINTF_BA ("@ 0x%"PFMTx"\n", ar->bins[j].runs);
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PRINTF_YA (" bins[%d]->stats ", j);
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PRINTF_BA ("= 0x%"PFMTx"\n", ar->bins[j].stats);
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PRINT_YA (" }\n");
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}
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PRINT_YA (" }\n");
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}
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}
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PRINT_GA ("}\n");
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break;
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}
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free (ar);
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free (b);
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}
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#if 0
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static void GH(jemalloc_get_runs)(RCore *core, const char *input) {
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switch (input[0]) {
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case ' ':
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{
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int pageind;
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ut64 npages, chunksize_mask, map_bias, map_misc_offset, chunk, mapbits;;
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arena_chunk_t *c = R_NEW0 (arena_chunk_t);
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if (!c) {
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eprintf ("Error calling calloc\n");
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return;
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}
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input += 1;
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chunk = r_num_math (core->num, input);
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if (!GH(r_resolve_jemalloc)(core, "je_chunk_npages", &npages)) {
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eprintf ("Error resolving je_chunk_npages\n");
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return;
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|
}
|
|
if (!GH(r_resolve_jemalloc)(core, "je_chunksize_mask", &chunksize_mask)) {
|
|
eprintf ("Error resolving je_chunksize_mask\n");
|
|
return;
|
|
}
|
|
if (!GH(r_resolve_jemalloc)(core, "je_map_bias", &map_bias)) {
|
|
eprintf ("Error resolving je_map_bias");
|
|
return;
|
|
}
|
|
if (!GH(r_resolve_jemalloc)(core, "je_map_misc_offset", &map_misc_offset)) {
|
|
eprintf ("Error resolving je_map_misc_offset");
|
|
return;
|
|
}
|
|
|
|
r_io_read_at (core->io, npages, (ut8*)&npages, sizeof (GHT));
|
|
r_io_read_at (core->io, chunksize_mask, (ut8*)&chunksize_mask, sizeof (GHT));
|
|
r_io_read_at (core->io, map_bias, (ut8*)&map_bias, sizeof (GHT));
|
|
r_io_read_at (core->io, map_misc_offset, (ut8*)&map_misc_offset, sizeof (GHT));
|
|
|
|
eprintf ("map_misc_offset 0x%08"PFMT64x"\n", (ut64)map_misc_offset);
|
|
|
|
r_io_read_at (core->io, chunk, (ut8 *)c, sizeof (arena_chunk_t));
|
|
mapbits = *(GHT *)&c->map_bits;
|
|
eprintf ("map_bits: 0x%08"PFMT64x"\n", (ut64)mapbits);
|
|
|
|
uint32_t offset = r_offsetof (arena_chunk_t, map_bits);
|
|
|
|
arena_chunk_map_bits_t *dwords = (void *)calloc (sizeof (arena_chunk_map_bits_t), npages);
|
|
r_io_read_at (core->io, chunk + offset, (ut8*)dwords, sizeof (arena_chunk_map_bits_t) * npages);
|
|
eprintf ("map_bits @ 0x%08"PFMT64x"\n", (ut64)(chunk + offset));
|
|
|
|
arena_run_t *r = R_NEW0 (arena_run_t);
|
|
if (!r) {
|
|
eprintf ("Error calling calloc\n");
|
|
return;
|
|
}
|
|
for (pageind = map_bias; pageind < npages; pageind++) {
|
|
arena_chunk_map_bits_t mapelm = dwords[pageind-map_bias];
|
|
if (mapelm.bits & CHUNK_MAP_ALLOCATED) {
|
|
// ut64 elm = ((arena_chunk_map_misc_t *)((uintptr_t)chunk + (uintptr_t)map_misc_offset) + pageind-map_bias);
|
|
ut64 elm = chunk + map_misc_offset + pageind-map_bias;
|
|
eprintf ("\nelm: 0x%"PFMT64x"\n", elm);
|
|
arena_chunk_map_misc_t *m = R_NEW0 (arena_chunk_map_misc_t);
|
|
if (m) {
|
|
ut64 run = elm + r_offsetof (arena_chunk_map_misc_t, run);
|
|
r_io_read_at (core->io, elm, (ut8*)m, sizeof (arena_chunk_map_misc_t));
|
|
eprintf ("Small run @ 0x%08"PFMT64x"\n", (ut64)elm);
|
|
r_io_read_at (core->io, run, (ut8*)r, sizeof (arena_run_t));
|
|
eprintf ("binind: 0x%08"PFMT64x"\n", (ut64)r->binind);
|
|
eprintf ("nfree: 0x%08"PFMT64x"\n", (ut64)r->nfree);
|
|
eprintf ("bitmap: 0x%08"PFMT64x"\n\n", (ut64)*(GHT*)r->bitmap);
|
|
free (m);
|
|
}
|
|
} else if (mapelm.bits & CHUNK_MAP_LARGE) {
|
|
ut64 run = (ut64) (size_t) chunk + (pageind << LG_PAGE);
|
|
eprintf ("Large run @ 0x%08"PFMT64x"\n", run);
|
|
r_io_read_at (core->io, run, (ut8*)r, sizeof (arena_run_t));
|
|
eprintf ("binind: 0x%08"PFMT64x"\n", (ut64)r->binind);
|
|
eprintf ("nfree: 0x%08"PFMT64x"\n", (ut64)r->nfree);
|
|
eprintf ("bitmap: 0x%08"PFMT64x"\n\n", (ut64)*(GHT*)r->bitmap);
|
|
}
|
|
}
|
|
free (c);
|
|
free (r);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static int GH(cmd_dbg_map_jemalloc)(RCore *core, const char *input) {
|
|
const char *help_msg[] = {
|
|
"Usage:", "dmh", " # Memory map heap",
|
|
"dmha", "[arena_t]", "show all arenas created, or print arena_t sructure for given arena",
|
|
"dmhb", "[arena_t]", "show all bins created for given arena",
|
|
"dmhc", "*|[arena_t]", "show all chunks created in all arenas, or show all chunks created for a given arena_t instance",
|
|
// "dmhr", "[arena_chunk_t]", "print all runs created for a given arena_chunk_t instance",
|
|
"dmh?", "", "Show map heap help", NULL
|
|
};
|
|
|
|
switch (input[0]) {
|
|
case '?':
|
|
r_core_cmd_help (core, help_msg);
|
|
break;
|
|
case 'a': //dmha
|
|
GH(jemalloc_print_narenas) (core, input + 1);
|
|
break;
|
|
case 'b': //dmhb
|
|
GH(jemalloc_get_bins) (core, input + 1);
|
|
break;
|
|
case 'c': //dmhc
|
|
GH(jemalloc_get_chunks) (core, input + 1);
|
|
break;
|
|
/*
|
|
case 'r': //dmhr
|
|
GH(jemalloc_get_runs) (core, input + 1);
|
|
break;
|
|
*/
|
|
}
|
|
return 0;
|
|
}
|
|
|