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kern: SvcGetLastThreadInfo, SvcGetDebugFutureThreadInfo

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This commit is contained in:
Michael Scire
2020-07-30 16:31:58 -07:00
committed by SciresM
parent 0993ae0685
commit 51084c0837
13 changed files with 325 additions and 18 deletions
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30
libraries/libmesosphere/source/kern_k_debug_base.cpp
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@@ -234,6 +234,36 @@ namespace ams::kern {
return ResultSuccess();
}
Result KDebugBase::GetRunningThreadInfo(ams::svc::LastThreadContext *out_context, u64 *out_thread_id) {
/* Get the attached process. */
KScopedAutoObject process = this->GetProcess();
R_UNLESS(process.IsNotNull(), svc::ResultProcessTerminated());
/* Get the thread info. */
{
KScopedSchedulerLock sl;
/* Get the running thread. */
const s32 core_id = GetCurrentCoreId();
KThread *thread = process->GetRunningThread(core_id);
/* Check that the thread's idle count is correct. */
R_UNLESS(process->GetRunningThreadIdleCount(core_id) == Kernel::GetScheduler(core_id).GetIdleCount(), svc::ResultNoThread());
/* Check that the thread is running on the current core. */
R_UNLESS(thread != nullptr, svc::ResultUnknownThread());
R_UNLESS(thread->GetActiveCore() == core_id, svc::ResultUnknownThread());
/* Get the thread's exception context. */
GetExceptionContext(thread)->GetSvcThreadContext(out_context);
/* Get the thread's id. */
*out_thread_id = thread->GetId();
}
return ResultSuccess();
}
Result KDebugBase::Attach(KProcess *target) {
/* Check that the process isn't null. */
MESOSPHERE_ASSERT(target != nullptr);