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[Arm64, Apple] Added X1 as a second syscall retval register #8107

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[Arm64, Apple] Added X1 as a second syscall retval register #8107

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4 changes: 3 additions & 1 deletion arch/arm64/arch_arm64.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2749,7 +2749,7 @@ class AppleArm64SystemCallConvention : public CallingConvention
}


virtual vector<uint32_t> GetCallerSavedRegisters() override { return vector<uint32_t> {REG_X0}; }
virtual vector<uint32_t> GetCallerSavedRegisters() override { return vector<uint32_t> {REG_X0, REG_X1}; }


virtual vector<uint32_t> GetCalleeSavedRegisters() override
Expand All @@ -2761,6 +2761,8 @@ class AppleArm64SystemCallConvention : public CallingConvention

virtual uint32_t GetIntegerReturnValueRegister() override { return REG_X0; }

virtual uint32_t GetHighIntegerReturnValueRegister() override { return REG_X1; }


virtual bool IsEligibleForHeuristics() override { return false; }
};
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