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kern SvcGetDebugThreadContext, SvcSetDebugThreadContext

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Michael Scire 2020-07-31 02:49:43 -07:00 • committed by SciresM
parent 3afd723b92
commit 5c4fbf5c67
10 changed files with 363 additions and 4 deletions
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47
libraries/libmesosphere/source/svc/kern_svc_debug.cpp
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@ -163,6 +163,45 @@ namespace ams::kern::svc {
return ResultSuccess();
}
Result GetDebugThreadContext(KUserPointer<ams::svc::ThreadContext *> out_context, ams::svc::Handle debug_handle, uint64_t thread_id, uint32_t context_flags) {
/* Validate the context flags. */
R_UNLESS((context_flags | ams::svc::ThreadContextFlag_All) == ams::svc::ThreadContextFlag_All, svc::ResultInvalidEnumValue());
/* Get the debug object. */
KScopedAutoObject debug = GetCurrentProcess().GetHandleTable().GetObject<KDebug>(debug_handle);
R_UNLESS(debug.IsNotNull(), svc::ResultInvalidHandle());
/* Get the thread context. */
ams::svc::ThreadContext context = {};
R_TRY(debug->GetThreadContext(std::addressof(context), thread_id, context_flags));
/* Copy the context to userspace. */
R_TRY(out_context.CopyFrom(std::addressof(context)));
return ResultSuccess();
}
Result SetDebugThreadContext(ams::svc::Handle debug_handle, uint64_t thread_id, KUserPointer<const ams::svc::ThreadContext *> user_context, uint32_t context_flags) {
/* Only allow invoking the svc on development hardware. */
R_UNLESS(KTargetSystem::IsDebugMode(), svc::ResultNotImplemented());
/* Validate the context flags. */
R_UNLESS((context_flags | ams::svc::ThreadContextFlag_All) == ams::svc::ThreadContextFlag_All, svc::ResultInvalidEnumValue());
/* Copy the thread context from userspace. */
ams::svc::ThreadContext context;
R_TRY(user_context.CopyTo(std::addressof(context)));
/* Get the debug object. */
KScopedAutoObject debug = GetCurrentProcess().GetHandleTable().GetObject<KDebug>(debug_handle);
R_UNLESS(debug.IsNotNull(), svc::ResultInvalidHandle());
/* Set the thread context. */
R_TRY(debug->SetThreadContext(context, thread_id, context_flags));
return ResultSuccess();
}
Result QueryDebugProcessMemory(ams::svc::MemoryInfo *out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Handle debug_handle, uintptr_t address) {
/* Get the debug object. */
KScopedAutoObject debug = GetCurrentProcess().GetHandleTable().GetObject<KDebug>(debug_handle);
@ -374,11 +413,11 @@ namespace ams::kern::svc {
}
Result GetDebugThreadContext64(KUserPointer<ams::svc::ThreadContext *> out_context, ams::svc::Handle debug_handle, uint64_t thread_id, uint32_t context_flags) {
MESOSPHERE_PANIC("Stubbed SvcGetDebugThreadContext64 was called.");
return GetDebugThreadContext(out_context, debug_handle, thread_id, context_flags);
}
Result SetDebugThreadContext64(ams::svc::Handle debug_handle, uint64_t thread_id, KUserPointer<const ams::svc::ThreadContext *> context, uint32_t context_flags) {
MESOSPHERE_PANIC("Stubbed SvcSetDebugThreadContext64 was called.");
return SetDebugThreadContext(debug_handle, thread_id, context, context_flags);
}
Result QueryDebugProcessMemory64(KUserPointer<ams::svc::lp64::MemoryInfo *> out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Handle debug_handle, ams::svc::Address address) {
@ -428,11 +467,11 @@ namespace ams::kern::svc {
}
Result GetDebugThreadContext64From32(KUserPointer<ams::svc::ThreadContext *> out_context, ams::svc::Handle debug_handle, uint64_t thread_id, uint32_t context_flags) {
MESOSPHERE_PANIC("Stubbed SvcGetDebugThreadContext64From32 was called.");
return GetDebugThreadContext(out_context, debug_handle, thread_id, context_flags);
}
Result SetDebugThreadContext64From32(ams::svc::Handle debug_handle, uint64_t thread_id, KUserPointer<const ams::svc::ThreadContext *> context, uint32_t context_flags) {
MESOSPHERE_PANIC("Stubbed SvcSetDebugThreadContext64From32 was called.");
return SetDebugThreadContext(debug_handle, thread_id, context, context_flags);
}
Result QueryDebugProcessMemory64From32(KUserPointer<ams::svc::ilp32::MemoryInfo *> out_memory_info, ams::svc::PageInfo *out_page_info, ams::svc::Handle debug_handle, ams::svc::Address address) {