yizhi-js-lib/favicon-trap
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Initial import unicornafl

Browse Source
This commit is contained in:
lazymio
2021-10-25 00:51:16 +02:00
parent 91451aa2f5
commit dd7476a9bd
42 changed files with 2269 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
qemu/target/arm/translate-a64.c
View File

@ -37,6 +37,11 @@
#include "qemu/atomic128.h"
#include "kvm-consts.h"
#if defined(UNICORN_HAS_AFL)
#undef ARCH_HAS_COMPCOV
#include "afl/afl-cpu-translate-inl.h"
#endif
static const char *regnames[] = {
"x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7",
"x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15",
@ -14636,6 +14641,21 @@ static void aarch64_tr_translate_insn(DisasContextBase *dcbase, CPUState *cpu)
DisasContext *dc = container_of(dcbase, DisasContext, base);
CPUARMState *env = cpu->env_ptr;
if (dc->uc->mode & UC_MODE_AFL) {
// UNICORN-AFL supports (and needs) multiple exits.
uint64_t *exits = dc->uc->exits;
size_t exit_count = dc->uc->exit_count;
if (exit_count) {
size_t i;
for (i = 0; i < exit_count; i++) {
if (dcbase->pc_next == exits[i]) {
dcbase->is_jmp = DISAS_WFI;
return;
}
}
}
}
// Unicorn: end address tells us to stop emulation
if (dcbase->pc_next == dc->uc->addr_end) {
// imitate WFI instruction to halt emulation