mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-29 21:56:04 +00:00
90 lines
3.5 KiB
C++
90 lines
3.5 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <mesosphere.hpp>
|
|
|
|
namespace ams::kern::svc {
|
|
|
|
/* ============================= Common ============================= */
|
|
|
|
namespace {
|
|
|
|
#if defined(MESOSPHERE_BUILD_FOR_DEBUGGING)
|
|
void PrintBreak(ams::svc::BreakReason break_reason) {
|
|
/* Print that break was called. */
|
|
MESOSPHERE_RELEASE_LOG("%s: svc::Break(%d) was called, pid=%ld, tid=%ld\n", GetCurrentProcess().GetName(), static_cast<s32>(break_reason), GetCurrentProcess().GetId(), GetCurrentThread().GetId());
|
|
|
|
/* Print the current thread's registers. */
|
|
KDebug::PrintRegister();
|
|
|
|
/* Print a backtrace. */
|
|
KDebug::PrintBacktrace();
|
|
}
|
|
#endif
|
|
|
|
void Break(ams::svc::BreakReason break_reason, uintptr_t address, size_t size) {
|
|
/* Determine whether the break is only a notification. */
|
|
const bool is_notification = (break_reason & ams::svc::BreakReason_NotificationOnlyFlag) != 0;
|
|
|
|
/* If the break isn't a notification, print it. */
|
|
if (!is_notification) {
|
|
#if defined(MESOSPHERE_BUILD_FOR_DEBUGGING)
|
|
PrintBreak(break_reason);
|
|
#endif
|
|
}
|
|
|
|
/* If the current process is attached to debugger, try to notify it. */
|
|
if (GetCurrentProcess().IsAttachedToDebugger()) {
|
|
if (R_SUCCEEDED(KDebug::BreakIfAttached(break_reason, address, size))) {
|
|
/* If we attached, set the pc to the instruction before the current one and return. */
|
|
KDebug::SetPreviousProgramCounter();
|
|
return;
|
|
}
|
|
}
|
|
|
|
/* If the break is only a notification, we're done. */
|
|
if (is_notification) {
|
|
return;
|
|
}
|
|
|
|
/* Print that break was called. */
|
|
MESOSPHERE_EXCEPTION_LOG("Break() called. ");
|
|
|
|
/* Try to enter JIT debug state. */
|
|
if (GetCurrentProcess().EnterJitDebug(ams::svc::DebugEvent_Exception, ams::svc::DebugException_UserBreak, KDebug::GetProgramCounter(GetCurrentThread()), break_reason, address, size)) {
|
|
/* We entered JIT debug, so set the pc to the instruction before the current one and return. */
|
|
KDebug::SetPreviousProgramCounter();
|
|
return;
|
|
}
|
|
|
|
/* Exit the current process. */
|
|
GetCurrentProcess().Exit();
|
|
}
|
|
|
|
}
|
|
|
|
/* ============================= 64 ABI ============================= */
|
|
|
|
void Break64(ams::svc::BreakReason break_reason, ams::svc::Address arg, ams::svc::Size size) {
|
|
return Break(break_reason, arg, size);
|
|
}
|
|
|
|
/* ============================= 64From32 ABI ============================= */
|
|
|
|
void Break64From32(ams::svc::BreakReason break_reason, ams::svc::Address arg, ams::svc::Size size) {
|
|
return Break(break_reason, arg, size);
|
|
}
|
|
|
|
}
|