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Add a test to make sure VEX.L stops emulation with an error

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This commit is contained in:
Duncan Ogilvie
2022-07-20 13:59:27 +02:00
parent 22ea31cdf7
commit e485f39846
1 changed files with 25 additions and 0 deletions
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25
tests/regress/x86_vex.c
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@@ -47,12 +47,37 @@ static void test_vmovdqu(void)
OK(uc_close(uc)); OK(uc_close(uc));
} }
/* https://github.com/unicorn-engine/unicorn/issues/1656 */
static void test_vex_l(void)
{
uc_engine *uc;
uc_err err;
/* vmovdqu ymm1, [rcx] */
char code[] = { '\xC5', '\xFE', '\x6F', '\x09' };
/* initialize memory and run emulation */
OK(uc_open(UC_ARCH_X86, UC_MODE_64, &uc));
OK(uc_mem_map(uc, 0, 2 * 1024 * 1024, UC_PROT_ALL));
OK(uc_mem_write(uc, 0, code, sizeof(code) / sizeof(code[0])));
err = uc_emu_start(uc, 0, sizeof(code) / sizeof(code[0]), 0, 0);
if(err != UC_ERR_INSN_INVALID) {
fprintf(stderr, "%s", uc_strerror(err));
assert(false);
}
OK(uc_close(uc));
}
/* TODO: Add more vex prefixed instructions /* TODO: Add more vex prefixed instructions
Suggestions: vxorpd, vxorps, vandpd, ... */ Suggestions: vxorpd, vxorps, vandpd, ... */
int main(int argc, char **argv, char **envp) int main(int argc, char **argv, char **envp)
{ {
test_vmovdqu(); test_vmovdqu();
test_vex_l();
return 0; return 0;
} }