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kern: Svc(Legacy)ContinueDebugEvent

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Michael Scire 2020-07-30 20:49:58 -07:00 • committed by SciresM
parent 3289b45408
commit b143f1e05f
9 changed files with 200 additions and 6 deletions
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64
libraries/libmesosphere/source/svc/kern_svc_debug.cpp
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@ -21,6 +21,8 @@ namespace ams::kern::svc {
namespace {
constexpr inline int32_t MaximumDebuggableThreadCount = 0x60;
Result DebugActiveProcess(ams::svc::Handle *out_handle, uint64_t process_id) {
/* Get the process from its id. */
KProcess *process = KProcess::GetProcessFromId(process_id);
@ -79,6 +81,60 @@ namespace ams::kern::svc {
return ResultSuccess();
}
Result ContinueDebugEventImpl(ams::svc::Handle debug_handle, uint32_t flags, const uint64_t *thread_ids, int32_t num_thread_ids) {
/* Get the debug object. */
KScopedAutoObject debug = GetCurrentProcess().GetHandleTable().GetObject<KDebug>(debug_handle);
R_UNLESS(debug.IsNotNull(), svc::ResultInvalidHandle());
/* Continue the event. */
R_TRY(debug->ContinueDebug(flags, thread_ids, num_thread_ids));
return ResultSuccess();
}
Result ContinueDebugEvent(ams::svc::Handle debug_handle, uint32_t flags, KUserPointer<const uint64_t *> user_thread_ids, int32_t num_thread_ids) {
/* Only allow invoking the svc on development hardware. */
R_UNLESS(KTargetSystem::IsDebugMode(), svc::ResultNotImplemented());
/* Verify that the flags are valid. */
R_UNLESS((flags | ams::svc::ContinueFlag_AllMask) == ams::svc::ContinueFlag_AllMask, svc::ResultInvalidEnumValue());
/* Verify that continue all and continue others flags are exclusive. */
constexpr u32 AllAndOthersMask = ams::svc::ContinueFlag_ContinueAll | ams::svc::ContinueFlag_ContinueOthers;
R_UNLESS((flags & AllAndOthersMask) != AllAndOthersMask, svc::ResultInvalidEnumValue());
/* Verify that the number of thread ids is valid. */
R_UNLESS((0 <= num_thread_ids && num_thread_ids <= MaximumDebuggableThreadCount), svc::ResultOutOfRange());
/* Copy the threads from userspace. */
uint64_t thread_ids[MaximumDebuggableThreadCount];
if (num_thread_ids > 0) {
R_TRY(user_thread_ids.CopyArrayTo(thread_ids, num_thread_ids));
}
/* Continue the event. */
R_TRY(ContinueDebugEventImpl(debug_handle, flags, thread_ids, num_thread_ids));
return ResultSuccess();
}
Result LegacyContinueDebugEvent(ams::svc::Handle debug_handle, uint32_t flags, uint64_t thread_id) {
/* Only allow invoking the svc on development hardware. */
R_UNLESS(KTargetSystem::IsDebugMode(), svc::ResultNotImplemented());
/* Verify that the flags are valid. */
R_UNLESS((flags | ams::svc::ContinueFlag_AllMask) == ams::svc::ContinueFlag_AllMask, svc::ResultInvalidEnumValue());
/* Verify that continue all and continue others flags are exclusive. */
constexpr u32 AllAndOthersMask = ams::svc::ContinueFlag_ContinueAll | ams::svc::ContinueFlag_ContinueOthers;
R_UNLESS((flags & AllAndOthersMask) != AllAndOthersMask, svc::ResultInvalidEnumValue());
/* Continue the event. */
R_TRY(ContinueDebugEventImpl(debug_handle, flags, std::addressof(thread_id), 1));
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);
@ -173,11 +229,11 @@ namespace ams::kern::svc {
}
Result ContinueDebugEvent64(ams::svc::Handle debug_handle, uint32_t flags, KUserPointer<const uint64_t *> thread_ids, int32_t num_thread_ids) {
MESOSPHERE_PANIC("Stubbed SvcContinueDebugEvent64 was called.");
return ContinueDebugEvent(debug_handle, flags, thread_ids, num_thread_ids);
}
Result LegacyContinueDebugEvent64(ams::svc::Handle debug_handle, uint32_t flags, uint64_t thread_id) {
MESOSPHERE_PANIC("Stubbed SvcLegacyContinueDebugEvent64 was called.");
return LegacyContinueDebugEvent(debug_handle, flags, thread_id);
}
Result GetDebugThreadContext64(KUserPointer<ams::svc::ThreadContext *> out_context, ams::svc::Handle debug_handle, uint64_t thread_id, uint32_t context_flags) {
@ -227,11 +283,11 @@ namespace ams::kern::svc {
}
Result ContinueDebugEvent64From32(ams::svc::Handle debug_handle, uint32_t flags, KUserPointer<const uint64_t *> thread_ids, int32_t num_thread_ids) {
MESOSPHERE_PANIC("Stubbed SvcContinueDebugEvent64From32 was called.");
return ContinueDebugEvent(debug_handle, flags, thread_ids, num_thread_ids);
}
Result LegacyContinueDebugEvent64From32(ams::svc::Handle debug_handle, uint32_t flags, uint64_t thread_id) {
MESOSPHERE_PANIC("Stubbed SvcLegacyContinueDebugEvent64From32 was called.");
return LegacyContinueDebugEvent(debug_handle, flags, thread_id);
}
Result GetDebugThreadContext64From32(KUserPointer<ams::svc::ThreadContext *> out_context, ams::svc::Handle debug_handle, uint64_t thread_id, uint32_t context_flags) {