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Frida persistent (#880)

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* Added x64 support for persistent mode (function call only), in-memory teest cases and complog

* Review changes, fix NeverZero and code to parse the .text section of the main executable. Excluded ranges TBC

* Various minor fixes and finished support for AFL_INST_LIBS

* Review changes

Co-authored-by: Your Name <you@example.com>
This commit is contained in:
WorksButNotTested
2021-04-28 09:25:26 +01:00
committed by GitHub
parent 8da5cba401
commit 39ad3b8946
56 changed files with 2874 additions and 879 deletions
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23
frida_mode/src/prefetch.c
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@ -3,9 +3,12 @@
#include <sys/mman.h>
#include "frida-gum.h"
#include "prefetch.h"
#include "debug.h"
#include "prefetch.h"
#include "stalker.h"
#define TRUST 0
#define PREFETCH_SIZE 65536
#define PREFETCH_ENTRIES ((PREFETCH_SIZE - sizeof(size_t)) / sizeof(void *))
@ -49,8 +52,9 @@ void prefetch_write(void *addr) {
/*
* Read the IPC region one block at the time and prefetch it
*/
void prefetch_read(GumStalker *stalker) {
void prefetch_read(void) {
GumStalker *stalker = stalker_get();
if (prefetch_data == NULL) return;
for (size_t i = 0; i < prefetch_data->count; i++) {
@ -68,7 +72,7 @@ void prefetch_read(GumStalker *stalker) {
}
void prefetch_init() {
void prefetch_init(void) {
g_assert_cmpint(sizeof(prefetch_data_t), ==, PREFETCH_SIZE);
gboolean prefetch = (getenv("AFL_FRIDA_INST_NO_PREFETCH") == NULL);
@ -106,16 +110,3 @@ void prefetch_init() {
}
__attribute__((noinline)) static void prefetch_activation() {
asm volatile("");
}
void prefetch_start(GumStalker *stalker) {
gum_stalker_activate(stalker, prefetch_activation);
prefetch_activation();
}