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kern: improve kdebug attach semantics

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This commit is contained in:
Michael Scire
2021-09-17 18:10:05 -07:00
parent ecd2392ff4
commit dfd57b09a3
8 changed files with 369 additions and 135 deletions
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12
libraries/libmesosphere/source/svc/kern_svc_debug.cpp
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@@ -313,11 +313,17 @@ namespace ams::kern::svc {
ON_SCOPE_EXIT { thread->Close(); };
/* Get the process from the debug object. */
KScopedAutoObject process = debug->GetProcess();
R_UNLESS(process.IsNotNull(), svc::ResultProcessTerminated());
R_UNLESS(debug->IsAttached(), svc::ResultProcessTerminated());
R_UNLESS(debug->OpenProcess(), svc::ResultProcessTerminated());
/* Close the process when we're done. */
ON_SCOPE_EXIT { debug->CloseProcess(); };
/* Get the proces. */
KProcess * const process = debug->GetProcessUnsafe();
/* Verify that the process is the thread's parent. */
R_UNLESS(process.GetPointerUnsafe() == thread->GetOwnerProcess(), svc::ResultInvalidThreadId());
R_UNLESS(process == thread->GetOwnerProcess(), svc::ResultInvalidThreadId());
/* Get the parameter. */
switch (param) {