diff options
author | van Hauser <vh@thc.org> | 2021-07-19 10:54:12 +0200 |
---|---|---|
committer | GitHub <noreply@github.com> | 2021-07-19 10:54:12 +0200 |
commit | 815161827689c339d335233b7b232ac9b120b79b (patch) | |
tree | 4e686574ccf1f47cea79fc24514c8455e3a1fbc1 /frida_mode/src/prefetch.c | |
parent | 9321a24e682b5c8bf6278961bd014cb883b87295 (diff) | |
parent | cc57cc5f463e9b79980c2087d19b4a1e1360ec52 (diff) | |
download | afl++-815161827689c339d335233b7b232ac9b120b79b.tar.gz |
Merge branch 'release' into stable
Diffstat (limited to 'frida_mode/src/prefetch.c')
-rw-r--r-- | frida_mode/src/prefetch.c | 37 |
1 files changed, 7 insertions, 30 deletions
diff --git a/frida_mode/src/prefetch.c b/frida_mode/src/prefetch.c index 50d10c9e..65c09fba 100644 --- a/frida_mode/src/prefetch.c +++ b/frida_mode/src/prefetch.c @@ -2,11 +2,10 @@ #include <sys/shm.h> #include <sys/mman.h> -#include "frida-gumjs.h" +#include "frida-gum.h" #include "debug.h" -#include "intercept.h" #include "prefetch.h" #include "stalker.h" @@ -21,10 +20,9 @@ typedef struct { } prefetch_data_t; -gboolean prefetch_enable = TRUE; - static prefetch_data_t *prefetch_data = NULL; -static int prefetch_shm_id = -1; + +static int prefetch_shm_id = -1; /* * We do this from the transformer since we need one anyway for coverage, this @@ -74,33 +72,14 @@ void prefetch_read(void) { } -void prefetch_config(void) { - - prefetch_enable = (getenv("AFL_FRIDA_INST_NO_PREFETCH") == NULL); - -} - -static int prefetch_on_fork(void) { - - prefetch_read(); - return fork(); - -} - -static void prefetch_hook_fork(void) { - - void *fork_addr = - GSIZE_TO_POINTER(gum_module_find_export_by_name(NULL, "fork")); - intercept_hook(fork_addr, prefetch_on_fork, NULL); - -} - void prefetch_init(void) { g_assert_cmpint(sizeof(prefetch_data_t), ==, PREFETCH_SIZE); - OKF("Instrumentation - prefetch [%c]", prefetch_enable ? 'X' : ' '); + gboolean prefetch = (getenv("AFL_FRIDA_INST_NO_PREFETCH") == NULL); - if (!prefetch_enable) { return; } + OKF("Instrumentation - prefetch [%c]", prefetch ? 'X' : ' '); + + if (!prefetch) { return; } /* * Make our shared memory, we can attach before we fork, just like AFL does * with the coverage bitmap region and fork will take care of ensuring both @@ -129,7 +108,5 @@ void prefetch_init(void) { /* Clear it, not sure it's necessary, just seems like good practice */ memset(prefetch_data, '\0', sizeof(prefetch_data_t)); - prefetch_hook_fork(); - } |