// license:BSD-3-Clause // copyright-holders:Aaron Giles /********************************************************************* dvwpoints.c Watchpoint debugger view. ***************************************************************************/ #include "emu.h" #include "dvwpoints.h" #include static int cIndexAscending(const void* a, const void* b) { const device_debug::watchpoint* left = *(device_debug::watchpoint**)a; const device_debug::watchpoint* right = *(device_debug::watchpoint**)b; return left->index() - right->index(); } static int cIndexDescending(const void* a, const void* b) { return cIndexAscending(b, a); } static int cEnabledAscending(const void* a, const void* b) { const device_debug::watchpoint* left = *(device_debug::watchpoint**)a; const device_debug::watchpoint* right = *(device_debug::watchpoint**)b; return (left->enabled() ? 1 : 0) - (right->enabled() ? 1 : 0); } static int cEnabledDescending(const void* a, const void* b) { return cEnabledAscending(b, a); } static int cCpuAscending(const void* a, const void* b) { const device_debug::watchpoint* left = *(device_debug::watchpoint**)a; const device_debug::watchpoint* right = *(device_debug::watchpoint**)b; return strcmp(left->debugInterface()->device().tag(), right->debugInterface()->device().tag()); } static int cCpuDescending(const void* a, const void* b) { return cCpuAscending(b, a); } static int cSpaceAscending(const void* a, const void* b) { const device_debug::watchpoint* left = *(device_debug::watchpoint**)a; const device_debug::watchpoint* right = *(device_debug::watchpoint**)b; return strcmp(left->space().name(), right->space().name()); } static int cSpaceDescending(const void* a, const void* b) { return cSpaceAscending(b, a); } static int cAddressAscending(const void* a, const void* b) { const device_debug::watchpoint* left = *(device_debug::watchpoint**)a; const device_debug::watchpoint* right = *(device_debug::watchpoint**)b; return (left->address() > right->address()) ? 1 : (left->address() < right->address()) ? -1 : 0; } static int cAddressDescending(const void* a, const void* b) { return cAddressAscending(b, a); } static int cTypeAscending(const void* a, const void* b) { const device_debug::watchpoint* left = *(device_debug::watchpoint**)a; const device_debug::watchpoint* right = *(device_debug::watchpoint**)b; return left->type() - right->type(); } static int cTypeDescending(const void* a, const void* b) { return cTypeAscending(b, a); } static int cConditionAscending(const void* a, const void* b) { const device_debug::watchpoint* left = *(device_debug::watchpoint**)a; const device_debug::watchpoint* right = *(device_debug::watchpoint**)b; return strcmp(left->condition(), right->condition()); } static int cConditionDescending(const void* a, const void* b) { return cConditionAscending(b, a); } static int cActionAscending(const void* a, const void* b) { const device_debug::watchpoint* left = *(device_debug::watchpoint**)a; const device_debug::watchpoint* right = *(device_debug::watchpoint**)b; return left->action().compare(right->action()); } static int cActionDescending(const void* a, const void* b) { return cActionAscending(b, a); } //************************************************************************** // DEBUG VIEW WATCH POINTS //************************************************************************** static const int tableBreaks[] = { 5, 9, 31, 42, 60, 67, 86, 100 }; //------------------------------------------------- // debug_view_watchpoints - constructor //------------------------------------------------- debug_view_watchpoints::debug_view_watchpoints(running_machine &machine, debug_view_osd_update_func osdupdate, void *osdprivate) : debug_view(machine, DVT_WATCH_POINTS, osdupdate, osdprivate), m_sortType(&cIndexAscending) { // fail if no available sources enumerate_sources(); if (m_source_list.count() == 0) throw std::bad_alloc(); } //------------------------------------------------- // ~debug_view_watchpoints - destructor //------------------------------------------------- debug_view_watchpoints::~debug_view_watchpoints() { } //------------------------------------------------- // enumerate_sources - enumerate all possible // sources for a disassembly view //------------------------------------------------- void debug_view_watchpoints::enumerate_sources() { // start with an empty list m_source_list.reset(); // iterate over devices with disassembly interfaces for (device_disasm_interface &dasm : disasm_interface_iterator(machine().root_device())) { std::string name; name = string_format("%s '%s'", dasm.device().name(), dasm.device().tag()); m_source_list.append(*global_alloc(debug_view_source(name.c_str(), &dasm.device()))); } // reset the source to a known good entry set_source(*m_source_list.first()); } //------------------------------------------------- // view_click - handle a mouse click within the // current view //------------------------------------------------- void debug_view_watchpoints::view_click(const int button, const debug_view_xy& pos) { bool const clickedTopRow = (m_topleft.y == pos.y); if (clickedTopRow) { if (pos.x < tableBreaks[0]) m_sortType = (m_sortType == &cIndexAscending) ? &cIndexDescending : &cIndexAscending; else if (pos.x < tableBreaks[1]) m_sortType = (m_sortType == &cEnabledAscending) ? &cEnabledDescending : &cEnabledAscending; else if (pos.x < tableBreaks[2]) m_sortType = (m_sortType == &cCpuAscending) ? &cCpuDescending : &cCpuAscending; else if (pos.x < tableBreaks[3]) m_sortType = (m_sortType == &cSpaceAscending) ? &cSpaceDescending : &cSpaceAscending; else if (pos.x < tableBreaks[4]) m_sortType = (m_sortType == &cAddressAscending) ? &cAddressDescending : &cAddressAscending; else if (pos.x < tableBreaks[5]) m_sortType = (m_sortType == &cTypeAscending) ? &cTypeDescending : &cTypeAscending; else if (pos.x < tableBreaks[6]) m_sortType = (m_sortType == &cConditionAscending) ? &cConditionDescending : &cConditionAscending; else if (pos.x < tableBreaks[7]) m_sortType = (m_sortType == &cActionAscending) ? &cActionDescending : &cActionAscending; } else { // Gather a sorted list of all the watchpoints for all the CPUs gather_watchpoints(); int const wpIndex = pos.y - 1; if ((wpIndex >= m_buffer.size()) || (wpIndex < 0)) return; // Enable / disable m_buffer[wpIndex]->setEnabled(!m_buffer[wpIndex]->enabled()); } begin_update(); m_update_pending = true; end_update(); } void debug_view_watchpoints::pad_ostream_to_length(std::ostream& str, int len) { auto const current = str.tellp(); if (current < decltype(current)(len)) str << std::setw(decltype(current)(len) - current) << ""; } void debug_view_watchpoints::gather_watchpoints() { m_buffer.resize(0); for (const debug_view_source &source : m_source_list) { // Collect device_debug &debugInterface = *source.device()->debug(); for (int spacenum = 0; spacenum < debugInterface.watchpoint_space_count(); ++spacenum) { for (device_debug::watchpoint *wp = debugInterface.watchpoint_first(spacenum); wp != nullptr; wp = wp->next()) m_buffer.push_back(wp); } } // And now for the sort if (!m_buffer.empty()) qsort(&m_buffer[0], m_buffer.size(), sizeof(device_debug::watchpoint *), m_sortType); } //------------------------------------------------- // view_update - update the contents of the // watchpoints view //------------------------------------------------- void debug_view_watchpoints::view_update() { // Gather a list of all the watchpoints for all the CPUs gather_watchpoints(); // Set the view region so the scroll bars update m_total.x = tableBreaks[ARRAY_LENGTH(tableBreaks) - 1]; m_total.y = m_buffer.size() + 1; if (m_total.y < 10) m_total.y = 10; // Draw debug_view_char *dest = &m_viewdata[0]; util::ovectorstream linebuf; linebuf.reserve(ARRAY_LENGTH(tableBreaks) - 1); // Header if (m_visible.y > 0) { linebuf.clear(); linebuf.rdbuf()->clear(); linebuf << "ID"; if (m_sortType == &cIndexAscending) linebuf.put('\\'); else if (m_sortType == &cIndexDescending) linebuf.put('/'); pad_ostream_to_length(linebuf, tableBreaks[0]); linebuf << "En"; if (m_sortType == &cEnabledAscending) linebuf.put('\\'); else if (m_sortType == &cEnabledDescending) linebuf.put('/'); pad_ostream_to_length(linebuf, tableBreaks[1]); linebuf << "CPU"; if (m_sortType == &cCpuAscending) linebuf.put('\\'); else if (m_sortType == &cCpuDescending) linebuf.put('/'); pad_ostream_to_length(linebuf, tableBreaks[2]); linebuf << "Space"; if (m_sortType == &cSpaceAscending) linebuf.put('\\'); else if (m_sortType == &cSpaceDescending) linebuf.put('/'); pad_ostream_to_length(linebuf, tableBreaks[3]); linebuf << "Addresses"; if (m_sortType == &cAddressAscending) linebuf.put('\\'); else if (m_sortType == &cAddressDescending) linebuf.put('/'); pad_ostream_to_length(linebuf, tableBreaks[4]); linebuf << "Type"; if (m_sortType == &cTypeAscending) linebuf.put('\\'); else if (m_sortType == &cTypeDescending) linebuf.put('/'); pad_ostream_to_length(linebuf, tableBreaks[5]); linebuf << "Condition"; if (m_sortType == &cConditionAscending) linebuf.put('\\'); else if (m_sortType == &cConditionDescending) linebuf.put('/'); pad_ostream_to_length(linebuf, tableBreaks[6]); linebuf << "Action"; if (m_sortType == &cActionAscending) linebuf.put('\\'); else if (m_sortType == &cActionDescending) linebuf.put('/'); pad_ostream_to_length(linebuf, tableBreaks[7]); auto const &text(linebuf.vec()); for (u32 i = m_topleft.x; i < (m_topleft.x + m_visible.x); i++, dest++) { dest->byte = (i < text.size()) ? text[i] : ' '; dest->attrib = DCA_ANCILLARY; } } for (int row = 1; row < m_visible.y; row++) { // watchpoints int const wpi = row + m_topleft.y - 1; if ((wpi < m_buffer.size()) && wpi >= 0) { static char const *const types[] = { "unkn ", "read ", "write", "r/w " }; device_debug::watchpoint *const wp = m_buffer[wpi]; linebuf.clear(); linebuf.rdbuf()->clear(); util::stream_format(linebuf, "%2X", wp->index()); pad_ostream_to_length(linebuf, tableBreaks[0]); linebuf.put(wp->enabled() ? 'X' : 'O'); pad_ostream_to_length(linebuf, tableBreaks[1]); linebuf << wp->debugInterface()->device().tag(); pad_ostream_to_length(linebuf, tableBreaks[2]); linebuf << wp->space().name(); pad_ostream_to_length(linebuf, tableBreaks[3]); util::stream_format(linebuf, "%0*X", wp->space().addrchars(), wp->space().byte_to_address(wp->address())); linebuf.put('-'); util::stream_format(linebuf, "%0*X", wp->space().addrchars(), wp->space().byte_to_address_end(wp->address() + wp->length()) - 1); pad_ostream_to_length(linebuf, tableBreaks[4]); linebuf << types[wp->type() & 3]; pad_ostream_to_length(linebuf, tableBreaks[5]); if (strcmp(wp->condition(), "1")) linebuf << wp->condition(); pad_ostream_to_length(linebuf, tableBreaks[6]); linebuf << wp->action(); pad_ostream_to_length(linebuf, tableBreaks[7]); auto const &text(linebuf.vec()); for (u32 i = m_topleft.x; i < (m_topleft.x + m_visible.x); i++, dest++) { dest->byte = (i < text.size()) ? text[i] : ' '; dest->attrib = DCA_NORMAL; // Color disabled watchpoints red if ((i >= tableBreaks[0]) && (i < tableBreaks[1]) && !wp->enabled()) dest->attrib |= DCA_CHANGED; } } else { // Fill the remaining vertical space for (int i = 0; i < m_visible.x; i++, dest++) { dest->byte = ' '; dest->attrib = DCA_NORMAL; } } } }