static struct ptunit_result match_cr3(void)
{
struct pt_asid lhs, rhs;
int errcode;
pt_asid_init(&lhs);
pt_asid_init(&rhs);
lhs.cr3 = 0x2300ull;
rhs.cr3 = 0x2300ull;
errcode = pt_asid_match(&lhs, &rhs);
ptu_int_eq(errcode, 1);
return ptu_passed();
}
static struct ptunit_result match_vmcs_false(void)
{
struct pt_asid lhs, rhs;
int errcode;
pt_asid_init(&lhs);
pt_asid_init(&rhs);
lhs.vmcs = 0x42000ull;
rhs.vmcs = 0x23000ull;
errcode = pt_asid_match(&lhs, &rhs);
ptu_int_eq(errcode, 0);
return ptu_passed();
}
int pt_asid_from_user(struct pt_asid *asid, const struct pt_asid *user)
{
if (!asid)
return -pte_internal;
pt_asid_init(asid);
if (user) {
size_t size;
size = user->size;
/* Ignore fields in the user's asid we don't know. */
if (sizeof(*asid) < size)
size = sizeof(*asid);
/* Copy (portions of) the user's asid. */
memcpy(asid, user, size);
/* We copied user's size - fix it. */
asid->size = sizeof(*asid);
}
return 0;
}
struct ptunit_result ifix_init(struct image_fixture *ifix)
{
pt_image_init(&ifix->image, NULL);
pt_image_init(&ifix->copy, NULL);
pt_init_section(&ifix->section[0], "file-0", &ifix->status[0],
&ifix->mapping[0]);
pt_init_section(&ifix->section[1], "file-1", &ifix->status[1],
&ifix->mapping[1]);
pt_init_section(&ifix->section[2], "file-2", &ifix->status[2],
&ifix->mapping[2]);
pt_asid_init(&ifix->asid[0]);
ifix->asid[0].cr3 = 0xa000;
pt_asid_init(&ifix->asid[1]);
ifix->asid[1].cr3 = 0xb000;
pt_asid_init(&ifix->asid[2]);
ifix->asid[2].cr3 = 0xc000;
return ptu_passed();
}
void pt_msec_init(struct pt_mapped_section *msec, struct pt_section *section,
const struct pt_asid *asid, uint64_t vaddr)
{
if (!msec)
return;
msec->section = section;
msec->vaddr = vaddr;
if (asid)
msec->asid = *asid;
else
pt_asid_init(&msec->asid);
}
static struct ptunit_result from_user_null(void)
{
struct pt_asid user;
int errcode;
pt_asid_init(&user);
errcode = pt_asid_from_user(NULL, NULL);
ptu_int_eq(errcode, -pte_internal);
errcode = pt_asid_from_user(NULL, &user);
ptu_int_eq(errcode, -pte_internal);
return ptu_passed();
}
static struct ptunit_result read_nomem_asid(struct section_fixture *sfix)
{
struct pt_asid asid;
uint8_t buffer[] = { 0xcc };
int status;
pt_asid_init(&asid);
asid.cr3 = 0xcece00ull;
status = pt_msec_read(&sfix->msec, buffer, 2, &asid, sfix->vaddr);
ptu_int_eq(status, -pte_nomap);
ptu_uint_eq(buffer[0], 0xcc);
return ptu_passed();
}
static struct ptunit_result read_empty(struct image_fixture *ifix)
{
struct pt_asid asid;
uint8_t buffer[] = { 0xcc, 0xcc };
int status;
pt_asid_init(&asid);
status = pt_image_read(&ifix->image, buffer, sizeof(buffer), &asid,
0x1000ull);
ptu_int_eq(status, -pte_nomap);
ptu_uint_eq(buffer[0], 0xcc);
ptu_uint_eq(buffer[1], 0xcc);
return ptu_passed();
}
static struct ptunit_result read_default_asid(struct section_fixture *sfix)
{
struct pt_asid asid;
uint8_t buffer[] = { 0xcc, 0xcc, 0xcc };
int status;
pt_asid_init(&asid);
status = pt_msec_read(&sfix->msec, buffer, 2, &asid, sfix->vaddr);
ptu_int_eq(status, 2);
ptu_uint_eq(buffer[0], sfix->mapping.content[0]);
ptu_uint_eq(buffer[1], sfix->mapping.content[1]);
ptu_uint_eq(buffer[2], 0xcc);
return ptu_passed();
}
static void pt_insn_reset(struct pt_insn_decoder *decoder)
{
if (!decoder)
return;
decoder->mode = ptem_unknown;
decoder->ip = 0ull;
decoder->last_disable_ip = 0ull;
decoder->status = 0;
decoder->enabled = 0;
decoder->process_event = 0;
decoder->speculative = 0;
decoder->event_may_change_ip = 1;
pt_retstack_init(&decoder->retstack);
pt_asid_init(&decoder->asid);
}
static struct ptunit_result asid(void)
{
struct pt_mapped_section msec;
struct pt_asid asid;
const struct pt_asid *pasid;
pt_asid_init(&asid);
asid.cr3 = 0xa00;
pt_msec_init(&msec, NULL, &asid, 0ull);
pasid = pt_msec_asid(&msec);
ptu_uint_eq(pasid->size, asid.size);
ptu_uint_eq(pasid->cr3, asid.cr3);
return ptu_passed();
}
static struct ptunit_result match_null(void)
{
struct pt_asid asid;
int errcode;
pt_asid_init(&asid);
errcode = pt_asid_match(NULL, NULL);
ptu_int_eq(errcode, -pte_internal);
errcode = pt_asid_match(NULL, &asid);
ptu_int_eq(errcode, -pte_internal);
errcode = pt_asid_match(&asid, NULL);
ptu_int_eq(errcode, -pte_internal);
return ptu_passed();
}
static struct ptunit_result sfix_init(struct section_fixture *sfix)
{
uint8_t i;
sfix->section.size = sfix->mapping.size = sizeof(sfix->mapping.content);
sfix->vaddr = 0x1000;
for (i = 0; i < sfix->mapping.size; ++i)
sfix->mapping.content[i] = i;
sfix->section.status = &sfix->mapping;
sfix->section.mapping = NULL;
pt_asid_init(&sfix->asid);
sfix->asid.cr3 = 0x4200ull;
pt_msec_init(&sfix->msec, &sfix->section, &sfix->asid, sfix->vaddr);
return ptu_passed();
}
static struct ptunit_result fini(void)
{
struct ifix_mapping mapping;
struct ifix_status status;
struct pt_section section;
struct pt_image image;
struct pt_asid asid;
int errcode;
pt_asid_init(&asid);
pt_init_section(§ion, NULL, &status, &mapping);
pt_image_init(&image, NULL);
errcode = pt_image_add(&image, §ion, &asid, 0x0ull);
ptu_int_eq(errcode, 0);
pt_image_fini(&image);
ptu_int_eq(section.ucount, 0);
ptu_int_eq(section.mcount, 0);
ptu_int_eq(status.deleted, 1);
return ptu_passed();
}