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Changed the step over routine to a single stepping version that steps until a blr is encountered.

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Cleared out all temporary breakpoints on each step to prevent phantom breakpoints from stopping the debugger.
This commit is contained in:
skidau
2014-10-18 11:02:26 +11:00
parent b331ec96a3
commit df37649b9f
4 changed files with 53 additions and 2 deletions
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38
Source/Core/DolphinWX/Debugger/CodeWindow.cpp
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@ -37,6 +37,7 @@
#include "Core/Debugger/PPCDebugInterface.h"
#include "Core/HW/CPU.h"
#include "Core/HW/Memmap.h"
#include "Core/HW/SystemTimers.h"
#include "Core/PowerPC/Gekko.h"
#include "Core/PowerPC/JitInterface.h"
#include "Core/PowerPC/PowerPC.h"
@ -292,6 +293,7 @@ void CCodeWindow::SingleStep()
{
if (CCPU::IsStepping())
{
PowerPC::breakpoints.ClearAllTemporary();
JitInterface::InvalidateICache(PC, 4, true);
CCPU::StepOpcode(&sync_event);
wxThread::Sleep(20);
@ -305,6 +307,7 @@ void CCodeWindow::StepOver()
{
if (CCPU::IsStepping())
{
PowerPC::breakpoints.ClearAllTemporary();
UGeckoInstruction inst = Memory::Read_Instruction(PC);
if (inst.LK)
{
@ -328,8 +331,39 @@ void CCodeWindow::StepOut()
{
if (CCPU::IsStepping())
{
PowerPC::breakpoints.Add(LR, true);
CCPU::EnableStepping(false);
PowerPC::breakpoints.ClearAllTemporary();
// Keep stepping until the next blr or timeout after one second
u64 timeout = SystemTimers::GetTicksPerSecond();
u64 steps = 0;
PowerPC::CoreMode oldMode = PowerPC::GetMode();
PowerPC::SetMode(PowerPC::MODE_INTERPRETER);
UGeckoInstruction inst = Memory::Read_Instruction(PC);
GekkoOPInfo *opinfo = GetOpInfo(inst);
while (inst.hex != 0x4e800020 && steps < timeout) // check for blr
{
if (inst.LK)
{
// Step over branches
u32 next_pc = PC + 4;
while (PC != next_pc && steps < timeout)
{
PowerPC::SingleStep();
++steps;
}
}
else
{
PowerPC::SingleStep();
++steps;
}
inst = Memory::Read_Instruction(PC);
opinfo = GetOpInfo(inst);
}
PowerPC::SingleStep();
PowerPC::SetMode(oldMode);
JumpToAddress(PC);
Update();