Better design of cpuid instruction hook

2021-12-22 20:36:56 +01:00
parent dfb14e971f
commit 7bb756249a
3 changed files with 27 additions and 9 deletions
--- a/tests/unit/test_x86.c
+++ b/tests/unit/test_x86.c
@ -601,11 +601,14 @@ static void test_x86_sysenter()
    OK(uc_close(uc));
 }

-static void test_x86_hook_cpuid_callback(uc_engine *uc, void *data)
+static int test_x86_hook_cpuid_callback(uc_engine *uc, void *data)
 {
    int reg = 7;

    OK(uc_reg_write(uc, UC_X86_REG_EAX, &reg));
+
+    // Overwrite the cpuid instruction.
+    return 1;
 }

 static void test_x86_hook_cpuid()