// license:BSD-3-Clause // copyright-holders:Aaron Giles /********************************************************************* dvbpoints.c Breakpoint debugger view. ***************************************************************************/ #include "emu.h" #include "debugger.h" #include "dvbpoints.h" #include #include // Sorting functors for the qsort function static bool cIndexAscending(const device_debug::breakpoint *a, const device_debug::breakpoint *b) { return a->index() < b->index(); } static bool cIndexDescending(const device_debug::breakpoint *a, const device_debug::breakpoint *b) { return cIndexAscending(b, a); } static bool cEnabledAscending(const device_debug::breakpoint *a, const device_debug::breakpoint *b) { return !a->enabled() && b->enabled(); } static bool cEnabledDescending(const device_debug::breakpoint *a, const device_debug::breakpoint *b) { return cEnabledAscending(b, a); } static bool cCpuAscending(const device_debug::breakpoint *a, const device_debug::breakpoint *b) { return strcmp(a->debugInterface()->device().tag(), b->debugInterface()->device().tag()) < 0; } static bool cCpuDescending(const device_debug::breakpoint *a, const device_debug::breakpoint *b) { return cCpuAscending(b, a); } static bool cAddressAscending(const device_debug::breakpoint *a, const device_debug::breakpoint *b) { return a->address() < b->address(); } static bool cAddressDescending(const device_debug::breakpoint *a, const device_debug::breakpoint *b) { return cAddressAscending(b, a); } static bool cConditionAscending(const device_debug::breakpoint *a, const device_debug::breakpoint *b) { return strcmp(a->condition(), b->condition()) < 0; } static bool cConditionDescending(const device_debug::breakpoint *a, const device_debug::breakpoint *b) { return cConditionAscending(b, a); } static bool cActionAscending(const device_debug::breakpoint *a, const device_debug::breakpoint *b) { return strcmp(a->action(), b->action()) < 0; } static bool cActionDescending(const device_debug::breakpoint *a, const device_debug::breakpoint *b) { return cActionAscending(b, a); } //************************************************************************** // DEBUG VIEW BREAK POINTS //************************************************************************** static const int tableBreaks[] = { 5, 9, 31, 45, 63, 80 }; //------------------------------------------------- // debug_view_breakpoints - constructor //------------------------------------------------- debug_view_breakpoints::debug_view_breakpoints(running_machine &machine, debug_view_osd_update_func osdupdate, void *osdprivate) : debug_view(machine, DVT_BREAK_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_breakpoints - destructor //------------------------------------------------- debug_view_breakpoints::~debug_view_breakpoints() { } //------------------------------------------------- // enumerate_sources - enumerate all possible // sources for a disassembly view //------------------------------------------------- void debug_view_breakpoints::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_breakpoints::view_click(const int button, const debug_view_xy& pos) { bool 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 == &cAddressAscending) ? &cAddressDescending : &cAddressAscending; else if (pos.x < tableBreaks[4]) m_sortType = (m_sortType == &cConditionAscending) ? &cConditionDescending : &cConditionAscending; else if (pos.x < tableBreaks[5]) m_sortType = (m_sortType == &cActionAscending) ? &cActionDescending : &cActionAscending; } else { // Gather a sorted list of all the breakpoints for all the CPUs gather_breakpoints(); int bpIndex = pos.y - 1; if ((bpIndex >= m_buffer.size()) || (bpIndex < 0)) return; // Enable / disable m_buffer[bpIndex]->setEnabled(!m_buffer[bpIndex]->enabled()); machine().debug_view().update_all(DVT_DISASSEMBLY); } begin_update(); m_update_pending = true; end_update(); } void debug_view_breakpoints::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_breakpoints::gather_breakpoints() { m_buffer.resize(0); for (const debug_view_source &source : m_source_list) { // Collect device_debug &debugInterface = *source.device()->debug(); for (device_debug::breakpoint *bp = debugInterface.breakpoint_first(); bp != nullptr; bp = bp->next()) m_buffer.push_back(bp); } // And now for the sort if (!m_buffer.empty()) std::stable_sort(m_buffer.begin(), m_buffer.end(), m_sortType); } //------------------------------------------------- // view_update - update the contents of the // breakpoints view //------------------------------------------------- void debug_view_breakpoints::view_update() { // Gather a list of all the breakpoints for all the CPUs gather_breakpoints(); // 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 << "Address"; if (m_sortType == &cAddressAscending) linebuf.put('\\'); else if (m_sortType == &cAddressDescending) linebuf.put('/'); pad_ostream_to_length(linebuf, tableBreaks[3]); linebuf << "Condition"; if (m_sortType == &cConditionAscending) linebuf.put('\\'); else if (m_sortType == &cConditionDescending) linebuf.put('/'); pad_ostream_to_length(linebuf, tableBreaks[4]); linebuf << "Action"; if (m_sortType == &cActionAscending) linebuf.put('\\'); else if (m_sortType == &cActionDescending) linebuf.put('/'); pad_ostream_to_length(linebuf, tableBreaks[5]); 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++) { // Breakpoints int bpi = row + m_topleft.y - 1; if ((bpi < m_buffer.size()) && (bpi >= 0)) { device_debug::breakpoint *const bp = m_buffer[bpi]; linebuf.clear(); linebuf.rdbuf()->clear(); util::stream_format(linebuf, "%2X", bp->index()); pad_ostream_to_length(linebuf, tableBreaks[0]); linebuf.put(bp->enabled() ? 'X' : 'O'); pad_ostream_to_length(linebuf, tableBreaks[1]); linebuf << bp->debugInterface()->device().tag(); pad_ostream_to_length(linebuf, tableBreaks[2]); util::stream_format(linebuf, "%0*X", bp->debugInterface()->logaddrchars(), bp->address()); pad_ostream_to_length(linebuf, tableBreaks[3]); if (strcmp(bp->condition(), "1")) linebuf << bp->condition(); pad_ostream_to_length(linebuf, tableBreaks[4]); linebuf << bp->action(); pad_ostream_to_length(linebuf, tableBreaks[5]); 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 breakpoints red if ((i >= tableBreaks[0]) && (i < tableBreaks[1]) && !bp->enabled()) dest->attrib |= DCA_CHANGED; } } else { // Fill the remaining vertical space for (u32 i = m_topleft.x; i < (m_topleft.x + m_visible.x); i++, dest++) { dest->byte = ' '; dest->attrib = DCA_NORMAL; } } } }