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GDBStub: Support watchpoints on linux (#1030)

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* GDBStub: Support watchpoints on linux
* GDBStub: Use `TCP_NODELAY`
This commit is contained in:
GaryOderNichts 2023-12-24 00:25:01 +01:00 • committed by GitHub
parent bab1616565
commit 4405116324
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 371 additions and 197 deletions
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31
src/Cafe/OS/libs/coreinit/coreinit_Thread.cpp
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@ -5,6 +5,7 @@
#include "Cafe/OS/libs/coreinit/coreinit_Time.h"
#include "Cafe/OS/libs/coreinit/coreinit_Alarm.h"
#include "Cafe/OS/libs/snd_core/ax.h"
#include "Cafe/HW/Espresso/Debugger/GDBStub.h"
#include "Cafe/HW/Espresso/Interpreter/PPCInterpreterInternal.h"
#include "Cafe/HW/Espresso/Recompiler/PPCRecompiler.h"
@ -1153,6 +1154,18 @@ namespace coreinit
}
}
#if BOOST_OS_LINUX
#include <unistd.h>
#include <sys/prctl.h>
std::vector<pid_t> g_schedulerThreadIds;
std::vector<pid_t>& OSGetSchedulerThreadIds()
{
return g_schedulerThreadIds;
}
#endif
void OSSchedulerCoreEmulationThread(void* _assignedCoreIndex)
{
SetThreadName(fmt::format("OSSchedulerThread[core={}]", (uintptr_t)_assignedCoreIndex).c_str());
@ -1160,8 +1173,21 @@ namespace coreinit
#if defined(ARCH_X86_64)
_mm_setcsr(_mm_getcsr() | 0x8000); // flush denormals to zero
#endif
#if BOOST_OS_LINUX
if (g_gdbstub)
{
// need to allow the GDBStub to attach to our thread
prctl(PR_SET_DUMPABLE, (unsigned long)1);
prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY);
}
pid_t tid = gettid();
g_schedulerThreadIds.emplace_back(tid);
#endif
t_schedulerFiber = Fiber::PrepareCurrentThread();
// create scheduler idle fiber and switch to it
g_idleLoopFiber[t_assignedCoreIndex] = new Fiber(__OSThreadCoreIdle, nullptr, nullptr);
cemu_assert_debug(PPCInterpreter_getCurrentInstance() == nullptr);
@ -1211,6 +1237,9 @@ namespace coreinit
threadItr.join();
sSchedulerThreads.clear();
g_schedulerThreadHandles.clear();
#if BOOST_OS_LINUX
g_schedulerThreadIds.clear();
#endif
// clean up all fibers
for (auto& it : g_idleLoopFiber)
{