Copy register state when forking

fwsGonzo · fwsGonzo · commit 7d3eddee4ea0 · 2025-03-21T15:22:25.000+01:00
diff --git a/lib/tinykvm/machine.cpp b/lib/tinykvm/machine.cpp
@@ -97,6 +97,11 @@ Machine::Machine(const Machine& other, const MachineOptions& options)
 		m_mt.reset(new MultiThreading{*this});
 		m_mt->reset_to(*other.m_mt);
 	}
+
+	/* Copy register state from the master machine */
+	auto& m_regs = other.registers();
+	this->set_registers(m_regs);
+	this->set_fpu_registers(other.fpu_registers());
 }
 
 __attribute__ ((cold))

Original file line number	Diff line number	Diff line change
`@@ -97,6 +97,11 @@ Machine::Machine(const Machine& other, const MachineOptions& options)`
`97`	`97`	`m_mt.reset(new MultiThreading{*this});`
`98`	`98`	`m_mt->reset_to(*other.m_mt);`
`99`	`99`	`}`
	`100`	`+`
	`101`	`+ /* Copy register state from the master machine */`
	`102`	`+ auto& m_regs = other.registers();`
	`103`	`+ this->set_registers(m_regs);`
	`104`	`+ this->set_fpu_registers(other.fpu_registers());`
`100`	`105`	`}`
`101`	`106`
`102`	`107`	`__attribute__ ((cold))`