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SCI: cleanup of execstack, output of backtrace slightly modified, is now also displaying local calls and exports

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svn-id: r50445
This commit is contained in:
Martin Kiewitz 2010-06-28 14:21:56 +00:00
parent 9b4406fd35
commit 6402d64419
3 changed files with 35 additions and 30 deletions
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27
engines/sci/console.cpp
View file

@ -2320,8 +2320,6 @@ bool Console::cmdScriptSteps(int argc, const char **argv) {
}
bool Console::cmdBacktrace(int argc, const char **argv) {
DebugPrintf("Dumping the send/self/super/call/calle/callb stack:\n");
DebugPrintf("Call stack (current base: 0x%x):\n", _engine->_gamestate->executionStackBase);
Common::List<ExecStack>::iterator iter;
uint i = 0;
@ -2333,19 +2331,25 @@ bool Console::cmdBacktrace(int argc, const char **argv) {
int paramc, totalparamc;
switch (call.type) {
case EXEC_STACK_TYPE_CALL: // Normal function
DebugPrintf(" %x:[%x] %s::%s(", i, call.origin, objname, (call.selector == -1) ? "<call[be]?>" :
_engine->getKernel()->getSelectorName(call.selector).c_str());
if (call.type == EXEC_STACK_TYPE_CALL)
DebugPrintf(" %x: script %d - ", i, (*(Script *)_engine->_gamestate->_segMan->_heap[call.addr.pc.segment]).getScriptNumber());
if (call.debugSelector != -1) {
DebugPrintf("%s::%s(", objname, _engine->getKernel()->getSelectorName(call.debugSelector).c_str());
} else if (call.debugExportId != -1) {
DebugPrintf("export %d (", call.debugExportId);
} else if (call.debugLocalCallOffset != -1) {
DebugPrintf("call %x (", call.debugLocalCallOffset);
}
break;
case EXEC_STACK_TYPE_KERNEL: // Kernel function
DebugPrintf(" %x:[%x] k%s(", i, call.origin, _engine->getKernel()->getKernelName(call.selector).c_str());
DebugPrintf(" %x:[%x] k%s(", i, call.debugOrigin, _engine->getKernel()->getKernelName(call.debugSelector).c_str());
break;
case EXEC_STACK_TYPE_VARSELECTOR:
DebugPrintf(" %x:[%x] vs%s %s::%s (", i, call.origin, (call.argc) ? "write" : "read",
objname, _engine->getKernel()->getSelectorName(call.selector).c_str());
DebugPrintf(" %x:[%x] vs%s %s::%s (", i, call.debugOrigin, (call.argc) ? "write" : "read",
objname, _engine->getKernel()->getSelectorName(call.debugSelector).c_str());
break;
}
@ -2364,7 +2368,10 @@ bool Console::cmdBacktrace(int argc, const char **argv) {
if (call.argc > 16)
DebugPrintf("...");
DebugPrintf(")\n obj@%04x:%04x", PRINT_REG(call.objp));
DebugPrintf(")\n ");
if (call.debugOrigin != -1)
DebugPrintf("by %x ", call.debugOrigin);
DebugPrintf("obj@%04x:%04x", PRINT_REG(call.objp));
if (call.type == EXEC_STACK_TYPE_CALL) {
DebugPrintf(" pc=%04x:%04x", PRINT_REG(call.addr.pc));
if (call.sp == CALL_SP_CARRY)
@ -2377,8 +2384,6 @@ bool Console::cmdBacktrace(int argc, const char **argv) {
DebugPrintf(" pc:none");
DebugPrintf(" argp:ST:%04x", (unsigned)(call.variables_argp - _engine->_gamestate->stack_base));
if (call.type == EXEC_STACK_TYPE_CALL)
DebugPrintf(" script: %d", (*(Script *)_engine->_gamestate->_segMan->_heap[call.addr.pc.segment]).getScriptNumber());
DebugPrintf("\n");
}

30
engines/sci/engine/vm.cpp
View file

@ -301,15 +301,15 @@ static reg_t validate_read_var(reg_t *r, reg_t *stack_base, int type, int max, i
Script *local_script = state->_segMan->getScriptIfLoaded(lastCall->local_segment);
int curScriptNr = local_script->getScriptNumber();
if (lastCall->localCallOffset != -1) {
if (lastCall->debugLocalCallOffset != -1) {
// if lastcall was actually a local call search back for a real call
Common::List<ExecStack>::iterator callIterator = state->_executionStack.end();
while (callIterator != state->_executionStack.begin()) {
callIterator--;
ExecStack loopCall = *callIterator;
if ((loopCall.selector != -1) || (loopCall.exportId != -1)) {
lastCall->selector = loopCall.selector;
lastCall->exportId = loopCall.exportId;
if ((loopCall.debugSelector != -1) || (loopCall.debugExportId != -1)) {
lastCall->debugSelector = loopCall.debugSelector;
lastCall->debugExportId = loopCall.debugExportId;
break;
}
}
@ -320,11 +320,11 @@ static reg_t validate_read_var(reg_t *r, reg_t *stack_base, int type, int max, i
const SciGameId gameId = g_sci->getGameId();
if (lastCall->type == EXEC_STACK_TYPE_CALL) {
if (lastCall->selector != -1) {
curMethodName = g_sci->getKernel()->getSelectorName(lastCall->selector);
} else if (lastCall->exportId != -1) {
if (lastCall->debugSelector != -1) {
curMethodName = g_sci->getKernel()->getSelectorName(lastCall->debugSelector);
} else if (lastCall->debugExportId != -1) {
curObjectName = "";
curMethodName = curMethodName.printf("export %d", lastCall->exportId);
curMethodName = curMethodName.printf("export %d", lastCall->debugExportId);
}
}
@ -336,7 +336,7 @@ static reg_t validate_read_var(reg_t *r, reg_t *stack_base, int type, int max, i
workaround = uninitializedReadWorkarounds;
while (workaround->objectName) {
if (workaround->gameId == gameId && workaround->scriptNr == curScriptNr && (workaround->objectName == searchObjectName)
&& workaround->methodName == curMethodName && workaround->localCallOffset == lastCall->localCallOffset && workaround->index == index) {
&& workaround->methodName == curMethodName && workaround->localCallOffset == lastCall->debugLocalCallOffset && workaround->index == index) {
// Workaround found
r[index] = make_reg(0, workaround->newValue);
return r[index];
@ -348,7 +348,7 @@ static reg_t validate_read_var(reg_t *r, reg_t *stack_base, int type, int max, i
if (!searchObject.isNull())
searchObjectName = state->_segMan->getObjectName(searchObject);
} while (!searchObject.isNull()); // no parent left?
error("Uninitialized read for temp %d from method %s::%s (script %d, localCall %x)", index, curObjectName.c_str(), curMethodName.c_str(), curScriptNr, lastCall->localCallOffset);
error("Uninitialized read for temp %d from method %s::%s (script %d, localCall %x)", index, curObjectName.c_str(), curMethodName.c_str(), curScriptNr, lastCall->debugLocalCallOffset);
}
return r[index];
} else
@ -718,10 +718,10 @@ static ExecStack *add_exec_stack_entry(Common::List<ExecStack> &execStack, reg_t
*argp = make_reg(0, argc); // SCI code relies on the zeroeth argument to equal argc
// Additional debug information
xstack.selector = selector;
xstack.exportId = exportId;
xstack.localCallOffset = localCallOffset;
xstack.origin = origin;
xstack.debugSelector = selector;
xstack.debugExportId = exportId;
xstack.debugLocalCallOffset = localCallOffset;
xstack.debugOrigin = origin;
xstack.type = EXEC_STACK_TYPE_CALL; // Normal call
@ -777,7 +777,7 @@ static void callKernelFunc(EngineState *s, int kernelFuncNr, int argc) {
ExecStack *xstack;
xstack = add_exec_stack_entry(s->_executionStack, NULL_REG, NULL, NULL_REG, argc, argv - 1, 0, -1, -1, NULL_REG,
s->_executionStack.size()-1, SCI_XS_CALLEE_LOCALS);
xstack->selector = kernelFuncNr;
xstack->debugSelector = kernelFuncNr;
xstack->type = EXEC_STACK_TYPE_KERNEL;
// Call kernel function

8
engines/sci/engine/vm.h
View file

@ -97,10 +97,10 @@ struct ExecStack {
StackPtr variables_argp; // Argument pointer
SegmentId local_segment; // local variables etc
Selector selector; // The selector which was used to call or -1 if not applicable
int exportId; // The exportId which was called or -1 if not applicable
int localCallOffset; // Local call offset or -1 if not applicable
int origin; // The stack frame position the call was made from, or -1 if it was the initial call
Selector debugSelector; // The selector which was used to call or -1 if not applicable
int debugExportId; // The exportId which was called or -1 if not applicable
int debugLocalCallOffset; // Local call offset or -1 if not applicable
int debugOrigin; // The stack frame position the call was made from, or -1 if it was the initial call
ExecStackType type;
reg_t* getVarPointer(SegManager *segMan) const;