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Changed gdbstub to no longer expect a CPU named ':maincpu' (#10170)

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The logic was changed to find the first CPU, without any particular expectation about naming.  This should address issue #10141
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npwoods 2022-08-02 10:24:17 -04:00 committed by GitHub
parent 00d5699d73
commit e404f1ffe0
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1 changed files with 13 additions and 1 deletions
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14
src/osd/modules/debugger/debuggdbstub.cpp
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@ -643,7 +643,19 @@ void debug_gdbstub::wait_for_debugger(device_t &device, bool firststop)
if ( firststop && !m_initialized ) if ( firststop && !m_initialized )
{ {
m_maincpu = m_machine->root_device().subdevice(":maincpu"); // find the "main" CPU, which is the first CPU (gdbstub doesn't seem to have any notion of switching CPUs)
for (device_t &device : device_enumerator(m_machine->root_device()))
{
auto *cpu = dynamic_cast<cpu_device *>(&device);
if (cpu)
{
m_maincpu = cpu;
break;
}
}
if (!m_maincpu)
fatalerror("gdbstub: cannot find any CPUs\n");
const char *cpuname = m_maincpu->shortname(); const char *cpuname = m_maincpu->shortname();
auto it = gdb_register_maps.find(cpuname); auto it = gdb_register_maps.find(cpuname);
if ( it == gdb_register_maps.end() ) if ( it == gdb_register_maps.end() )