diff options
-rw-r--r-- | engines/sci/console.cpp | 4 | ||||
-rw-r--r-- | engines/sci/console.h | 2 | ||||
-rw-r--r-- | engines/sci/engine/scriptdebug.cpp | 31 |
3 files changed, 24 insertions, 13 deletions
diff --git a/engines/sci/console.cpp b/engines/sci/console.cpp index bfa9f45d5b..82661f044b 100644 --- a/engines/sci/console.cpp +++ b/engines/sci/console.cpp @@ -3402,7 +3402,7 @@ bool Console::cmdDisassemble(int argc, const char **argv) { farthestTarget = jumpTarget; } // TODO: Use a true 32-bit reg_t for the position (addr) - addr = disassemble(_engine->_gamestate, make_reg32(addr.getSegment(), addr.getOffset()), objAddr, printBWTag, printBytecode); + addr = disassemble(_engine->_gamestate, make_reg32(addr.getSegment(), addr.getOffset()), obj, printBWTag, printBytecode); if (addr.isNull() && prevAddr < farthestTarget) addr = prevAddr + 1; // skip past the ret } while (addr.getOffset() > 0); @@ -3451,7 +3451,7 @@ bool Console::cmdDisassembleAddress(int argc, const char **argv) { do { // TODO: Use a true 32-bit reg_t for the position (vpc) - vpc = disassemble(_engine->_gamestate, make_reg32(vpc.getSegment(), vpc.getOffset()), NULL_REG, printBWTag, printBytes); + vpc = disassemble(_engine->_gamestate, make_reg32(vpc.getSegment(), vpc.getOffset()), nullptr, printBWTag, printBytes); } while ((vpc.getOffset() > 0) && (vpc.getOffset() + 6 < size) && (--opCount)); return true; diff --git a/engines/sci/console.h b/engines/sci/console.h index 0b8cd938ae..82a5f69db1 100644 --- a/engines/sci/console.h +++ b/engines/sci/console.h @@ -33,7 +33,7 @@ namespace Sci { class SciEngine; struct List; -reg_t disassemble(EngineState *s, reg32_t pos, reg_t objAddr, bool printBWTag, bool printBytecode); +reg_t disassemble(EngineState *s, reg32_t pos, const Object *obj, bool printBWTag, bool printBytecode); bool isJumpOpcode(EngineState *s, reg_t pos, reg_t& jumpOffset); class Console : public GUI::Debugger { diff --git a/engines/sci/engine/scriptdebug.cpp b/engines/sci/engine/scriptdebug.cpp index a15725e894..545aae6d30 100644 --- a/engines/sci/engine/scriptdebug.cpp +++ b/engines/sci/engine/scriptdebug.cpp @@ -81,7 +81,7 @@ void DebugState::updateActiveBreakpointTypes() { } // Disassembles one command from the heap, returns address of next command or 0 if a ret was encountered. -reg_t disassemble(EngineState *s, reg32_t pos, reg_t objAddr, bool printBWTag, bool printBytecode) { +reg_t disassemble(EngineState *s, reg32_t pos, const Object *obj, bool printBWTag, bool printBytecode) { SegmentObj *mobj = s->_segMan->getSegment(pos.getSegment(), SEG_TYPE_SCRIPT); Script *script_entity = NULL; reg_t retval; @@ -200,8 +200,7 @@ reg_t disassemble(EngineState *s, reg32_t pos, reg_t objAddr, bool printBWTag, b debugN(opsize ? "\t%02x" : "\t%04x", param_value); } } else if (opcode == op_super) { - Object *obj; - if (objAddr != NULL_REG && (obj = s->_segMan->getObject(objAddr)) != nullptr) { + if (obj != nullptr) { debugN("\t%s", s->_segMan->getObjectName(obj->getSuperClassSelector())); debugN(opsize ? "[%02x]" : "[%04x]", param_value); } else { @@ -210,16 +209,28 @@ reg_t disassemble(EngineState *s, reg32_t pos, reg_t objAddr, bool printBWTag, b debugN(","); #ifdef ENABLE_SCI32 - } else if (getSciVersion() == SCI_VERSION_3 && ( + } else if ( opcode == op_pToa || opcode == op_aTop || opcode == op_pTos || opcode == op_sTop || opcode == op_ipToa || opcode == op_dpToa || - opcode == op_ipTos || opcode == op_dpTos)) { + opcode == op_ipTos || opcode == op_dpTos) { - const char *selectorName = "<invalid>"; + const char *selectorName; - if (param_value < kernel->getSelectorNamesSize()) { - selectorName = kernel->getSelectorName(param_value).c_str(); + if (getSciVersion() == SCI_VERSION_3) { + if (param_value < kernel->getSelectorNamesSize()) { + selectorName = kernel->getSelectorName(param_value).c_str(); + } else { + selectorName = "<invalid>"; + } + } else { + if (obj != nullptr) { + const Object *const super = obj->getClass(s->_segMan); + assert(super); + selectorName = kernel->getSelectorName(super->getVarSelector(param_value / 2)).c_str(); + } else { + selectorName = "<unavailable>"; + } } debugN("\t%s[%x]", selectorName, param_value); @@ -290,7 +301,7 @@ reg_t disassemble(EngineState *s, reg32_t pos, reg_t objAddr, bool printBWTag, b if (pos == s->xs->addr.pc) { // Extra information if debugging the current opcode if ((opcode == op_pTos) || (opcode == op_sTop) || (opcode == op_pToa) || (opcode == op_aTop) || (opcode == op_dpToa) || (opcode == op_ipToa) || (opcode == op_dpTos) || (opcode == op_ipTos)) { - const Object *obj = s->_segMan->getObject(s->xs->objp); + obj = s->_segMan->getObject(s->xs->objp); if (!obj) { warning("Attempted to reference on non-object at %04x:%04x", PRINT_REG(s->xs->objp)); } else { @@ -479,7 +490,7 @@ void SciEngine::scriptDebug() { } debugN("Step #%d\n", s->scriptStepCounter); - disassemble(s, s->xs->addr.pc, s->xs->objp, false, true); + disassemble(s, s->xs->addr.pc, s->_segMan->getObject(s->xs->objp), false, true); if (_debugState.runningStep) { _debugState.runningStep--; |