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Initial import unicornafl

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lazymio
2021-10-25 00:51:16 +02:00
parent 91451aa2f5
commit dd7476a9bd
42 changed files with 2269 additions and 1 deletions
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19
qemu/target/i386/translate.c
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@@ -4764,6 +4764,25 @@ static target_ulong disas_insn(DisasContext *s, CPUState *cpu)
s->uc = env->uc;
if (s->uc->mode & UC_MODE_AFL) {
// UNICORN-AFL supports (and needs) multiple exits.
uint64_t *exits = s->uc->exits;
size_t exit_count = s->uc->exit_count;
if (exit_count) {
size_t i;
for (i = 0; i < exit_count; i++) {
if (s->pc == exits[i]) {
// imitate the HLT instruction
gen_update_cc_op(s);
gen_jmp_im(s, pc_start - s->cs_base);
gen_helper_hlt(tcg_ctx, tcg_ctx->cpu_env, tcg_const_i32(tcg_ctx, s->pc - pc_start));
s->base.is_jmp = DISAS_NORETURN;
return s->pc;
}
}
}
}
// Unicorn: end address tells us to stop emulation
if (s->pc == s->uc->addr_end) {
// imitate the HLT instruction