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Enough of ObOpenObjectByName to handle basic usage + asserts for others.

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Fixes #143.
This commit is contained in:
Ben Vanik
2015-02-11 09:42:12 -08:00
parent 2c49eec79f
commit 90e489527a
7 changed files with 175 additions and 28 deletions
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30
src/xenia/kernel/xboxkrnl_ob.cc
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@@ -18,6 +18,35 @@
namespace xe {
namespace kernel {
SHIM_CALL ObOpenObjectByName_shim(PPCContext* ppc_state, KernelState* state) {
// r3 = ptr to info?
// +0 = -4
// +4 = name ptr
// +8 = 0
// r4 = ExEventObjectType | ExSemaphoreObjectType | ExTimerObjectType
// r5 = 0
// r6 = out_ptr (handle?)
uint32_t obj_attributes_ptr = SHIM_GET_ARG_32(0);
uint32_t object_type_ptr = SHIM_GET_ARG_32(1);
uint32_t unk = SHIM_GET_ARG_32(2);
uint32_t handle_ptr = SHIM_GET_ARG_32(3);
uint32_t name_str_ptr = SHIM_MEM_32(obj_attributes_ptr + 4);
X_ANSI_STRING name_str(SHIM_MEM_BASE, name_str_ptr);
auto name = name_str.to_string();
XELOGD("ObOpenObjectByName(%.8X(name=%s), %.8X, %.8X, %.8X)",
obj_attributes_ptr, name.c_str(), object_type_ptr, unk, handle_ptr);
X_HANDLE handle = X_INVALID_HANDLE_VALUE;
X_STATUS result = state->object_table()->GetObjectByName(name, &handle);
if (XSUCCEEDED(result)) {
SHIM_SET_MEM_32(handle_ptr, handle);
}
SHIM_SET_RETURN_32(result);
}
SHIM_CALL ObReferenceObjectByHandle_shim(PPCContext* ppc_state,
KernelState* state) {
uint32_t handle = SHIM_GET_ARG_32(0);
@@ -130,6 +159,7 @@ SHIM_CALL NtClose_shim(PPCContext* ppc_state, KernelState* state) {
void xe::kernel::xboxkrnl::RegisterObExports(ExportResolver* export_resolver,
KernelState* state) {
SHIM_SET_MAPPING("xboxkrnl.exe", ObOpenObjectByName, state);
SHIM_SET_MAPPING("xboxkrnl.exe", ObReferenceObjectByHandle, state);
SHIM_SET_MAPPING("xboxkrnl.exe", ObDereferenceObject, state);
SHIM_SET_MAPPING("xboxkrnl.exe", NtDuplicateObject, state);