Added --break_condition_gpr, --break_condition_value, --break_condition_truncate for use with --break_on_instruction.
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@ -28,6 +28,10 @@ DECLARE_bool(trace_function_data);
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DECLARE_bool(validate_hir);
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DECLARE_uint64(break_on_instruction);
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DECLARE_int32(break_condition_gpr);
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DECLARE_uint64(break_condition_value);
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DECLARE_bool(break_condition_truncate);
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DECLARE_bool(break_on_debugbreak);
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#endif // XENIA_CPU_PRIVATE_H_
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@ -45,4 +45,8 @@ DEFINE_bool(validate_hir, false,
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// Breakpoints:
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DEFINE_uint64(break_on_instruction, 0,
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"int3 before the given guest address is executed.");
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DEFINE_int32(break_condition_gpr, -1, "GPR compared to");
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DEFINE_uint64(break_condition_value, 0, "value compared against");
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DEFINE_bool(break_condition_truncate, true, "truncate value to 32-bits");
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DEFINE_bool(break_on_debugbreak, true, "int3 on JITed __debugbreak requests.");
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@ -129,7 +129,18 @@ bool PPCHIRBuilder::Emit(FunctionInfo* symbol_info, uint32_t flags) {
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if (i.address == FLAGS_break_on_instruction) {
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Comment("--break-on-instruction target");
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if (FLAGS_break_condition_gpr < 0) {
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DebugBreak();
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} else {
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auto left = LoadGPR(FLAGS_break_condition_gpr);
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auto right = LoadConstant(FLAGS_break_condition_value);
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if (FLAGS_break_condition_truncate) {
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left = Truncate(left, INT32_TYPE);
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right = Truncate(right, INT32_TYPE);
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}
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TrapTrue(CompareEQ(left, right));
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}
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}
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if (!i.type->emit || emit(*this, i)) {
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