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[KMTESTS:RTL]

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- Add a test checking stack frame correctness in a nested __finally handler
CORE-12283

svn path=/trunk/; revision=73148
This commit is contained in:
Thomas Faber
2016-11-06 09:31:09 +00:00
parent 034a3f9f20
commit 52adca06a9
1 changed files with 100 additions and 0 deletions
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rostests/kmtests/rtl/RtlException.c
+100
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@@ -8,6 +8,104 @@
#define KMT_EMULATE_KERNEL
#include <kmt_test.h>
static
VOID
PossiblyRaise(
_In_ BOOLEAN Raise)
{
if (Raise)
{
ExRaiseStatus(STATUS_ASSERTION_FAILURE);
}
}
static
VOID
InnerFunction(
_Inout_ PULONG State,
_In_ BOOLEAN Raise)
{
_SEH2_VOLATILE INT Var = 123;
static _SEH2_VOLATILE INT *AddressOfVar;
AddressOfVar = &Var;
ok_eq_ulong(*State, 1);
_SEH2_TRY
{
*State = 2;
PossiblyRaise(Raise);
ok_eq_ulong(*State, 2);
*State = 3;
}
_SEH2_FINALLY
{
ok_eq_int(Var, 123);
ok_eq_pointer(&Var, AddressOfVar);
if (Raise)
ok_eq_ulong(*State, 2);
else
ok_eq_ulong(*State, 3);
*State = 4;
}
_SEH2_END;
ok_eq_int(Var, 123);
ok_eq_pointer(&Var, AddressOfVar);
ok_eq_ulong(*State, 4);
*State = 5;
}
static
VOID
OuterFunction(
_Inout_ PULONG State,
_In_ BOOLEAN Raise)
{
_SEH2_VOLATILE INT Var = 456;
static _SEH2_VOLATILE INT *AddressOfVar;
AddressOfVar = &Var;
ok_eq_ulong(*State, 0);
_SEH2_TRY
{
*State = 1;
InnerFunction(State, Raise);
ok_eq_ulong(*State, 5);
*State = 6;
}
_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
{
ok_eq_int(Var, 456);
ok_eq_pointer(&Var, AddressOfVar);
ok_eq_ulong(*State, 4);
*State = 7;
}
_SEH2_END;
ok_eq_int(Var, 456);
ok_eq_pointer(&Var, AddressOfVar);
if (Raise)
ok_eq_ulong(*State, 7);
else
ok_eq_ulong(*State, 6);
*State = 8;
}
static
VOID
TestNestedExceptionHandler(VOID)
{
ULONG State;
State = 0;
OuterFunction(&State, FALSE);
ok_eq_ulong(State, 8);
State = 0;
OuterFunction(&State, TRUE);
ok_eq_ulong(State, 8);
}
START_TEST(RtlException)
{
PCHAR Buffer[128];
@@ -56,6 +154,8 @@ START_TEST(RtlException)
ExRaiseStatus(STATUS_GUARD_PAGE_VIOLATION);
KmtEndSeh(STATUS_GUARD_PAGE_VIOLATION);
TestNestedExceptionHandler();
/* We cannot test this in kernel mode easily - the stack is just "somewhere"
* in system space, and there's no guard page below it */
#if CORE_6640_IS_FIXED