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Add a Debugger breakpoint card (PR #1441)

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. For AppleWin-Test regression tests for debugger breakpoints
This commit is contained in:
TomCh
2025-10-18 14:54:39 +01:00
committed by GitHub
parent ae28de062a
commit dce193b760
10 changed files with 389 additions and 3 deletions
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41
source/Debugger/Debug.cpp
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@@ -87,6 +87,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
static int g_bDebugBreakpointHit = 0; // See: BreakpointHit_t
static Breakpoint_t *g_pDebugBreakpointHit = nullptr;
static WORD g_nBreakMemoryAddr = 0;
static std::string g_sBreakMemoryFullPrefixAddr;
static int g_breakpointHitID = -1;
@@ -363,6 +364,9 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
static std::string g_sAutoRunScriptFilename("DebuggerAutoRun.txt");
static uint8_t g_interceptBreakpointsSlot = 0;
static CBFUNCTION g_InterceptBreakpointsCB = nullptr;
// Private ________________________________________________________________________________________
@@ -1429,6 +1433,7 @@ int CheckBreakpointsIO ()
{
if (_CheckBreakpointValue( pBP, nAddress ))
{
g_nBreakMemoryAddr = (WORD)nAddress; // last BP hit
g_sBreakMemoryFullPrefixAddr = GetFullPrefixAddrForBreakpoint(pBP->addrPrefix, (WORD)nAddress, DEVICE_e::DEV_MEMORY, false); // string is last BP hit
BYTE opcode = ReadByteFromMemory(regs.pc);
@@ -9103,6 +9108,7 @@ void DebugContinueStepping (const bool bCallerWillUpdateDisplay/*=false*/)
{
std::string stopReason = "Unknown!";
bool skipStopReason = false;
INTERCEPTBREAKPOINT interceptBreakpoint;
if (regs.pc == g_nDebugStepUntil)
stopReason = StrFormat( CHC_DEFAULT "Register " CHC_REGS "PC" CHC_DEFAULT " matches '" CHC_INFO "Go until" CHC_DEFAULT "' address $" CHC_ADDRESS "%04X", g_nDebugStepUntil);
@@ -9120,14 +9126,25 @@ void DebugContinueStepping (const bool bCallerWillUpdateDisplay/*=false*/)
g_aBreakpointSource[ g_pDebugBreakpointHit->eSource ],
CHC_DEFAULT
);
if (g_pDebugBreakpointHit->eSource == BP_SRC_REG_PC)
interceptBreakpoint.Set(BPTYPE_PC, regs.pc, BPACCESS_R);
}
}
else if (g_bDebugBreakpointHit & BP_HIT_MEM)
{
stopReason = StrFormat("Memory access at %s", g_sBreakMemoryFullPrefixAddr.c_str());
interceptBreakpoint.Set(BPTYPE_MEM, g_nBreakMemoryAddr, BPACCESS_RW);
}
else if (g_bDebugBreakpointHit & BP_HIT_MEMW)
{
stopReason = StrFormat("Write access at %s", g_sBreakMemoryFullPrefixAddr.c_str());
interceptBreakpoint.Set(BPTYPE_MEM, g_nBreakMemoryAddr, BPACCESS_W);
}
else if (g_bDebugBreakpointHit & BP_HIT_MEMR)
{
stopReason = StrFormat("Read access at %s", g_sBreakMemoryFullPrefixAddr.c_str());
interceptBreakpoint.Set(BPTYPE_MEM, g_nBreakMemoryAddr, BPACCESS_R);
}
else if (g_bDebugBreakpointHit & BP_HIT_PC_READ_FLOATING_BUS_OR_IO_MEM)
stopReason = "PC reads from floating bus or I/O memory";
else if (g_bDebugBreakpointHit & BP_HIT_INTERRUPT)
@@ -9144,6 +9161,9 @@ void DebugContinueStepping (const bool bCallerWillUpdateDisplay/*=false*/)
if (!skipStopReason)
{
if (g_InterceptBreakpointsCB != nullptr)
g_InterceptBreakpointsCB(g_interceptBreakpointsSlot, interceptBreakpoint);
std::string hitId = GetBreakpointHitIdString(g_breakpointHitID);
ConsolePrintFormat(CHC_INFO "Stop reason: %s " CHC_DEFAULT "%s", hitId.c_str(), stopReason.c_str());
g_breakpointHitID = -1;
@@ -9160,12 +9180,22 @@ void DebugContinueStepping (const bool bCallerWillUpdateDisplay/*=false*/)
stopReason = StrFormat("HDD DMA from memory " CHC_ARG_SEP "$" CHC_ADDRESS "%04X" CHC_ARG_SEP "-" CHC_ADDRESS "%04X", g_DebugBreakOnDMA[i].memoryAddr, g_DebugBreakOnDMA[i].memoryAddrEnd);
std::string hitId = GetBreakpointHitIdString(g_DebugBreakOnDMA[i].BPid);
ConsolePrintFormat(CHC_INFO "Stop reason: %s " CHC_DEFAULT "%s", hitId.c_str(), stopReason.c_str());
if (g_InterceptBreakpointsCB != nullptr)
{
const uint8_t access = (nDebugBreakpointHit & BP_DMA_FROM_MEM) ? BPACCESS_R : BPACCESS_W;
interceptBreakpoint.SetDMA(g_DebugBreakOnDMA[i].memoryAddr, g_DebugBreakOnDMA[i].memoryAddrEnd, access);
g_InterceptBreakpointsCB(g_interceptBreakpointsSlot, interceptBreakpoint);
}
}
}
ConsoleUpdate();
g_nDebugSteps = 0;
//
if (g_InterceptBreakpointsCB == nullptr)
g_nDebugSteps = 0;
}
if (g_nDebugSteps > 0)
@@ -9286,6 +9316,7 @@ void DebugInitialize ()
WindowUpdateConsoleDisplayedSize();
// CLEAR THE BREAKPOINT AND WATCH TABLES
g_nBreakMemoryAddr = 0;
g_breakpointHitID = -1;
for (int i = 0; i < MAX_BREAKPOINTS; i++)
g_aBreakpoints[i].Clear();
@@ -10126,3 +10157,11 @@ void DebugSetAutoRunScript (std::string& sAutoRunScriptFilename)
{
g_sAutoRunScriptFilename = sAutoRunScriptFilename;
}
//===========================================================================
void InterceptBreakpoints(uint8_t slot, CBFUNCTION cbfunction)
{
g_interceptBreakpointsSlot = slot;
g_InterceptBreakpointsCB = cbfunction;
}