bool RegisterContextPOSIXProcessMonitor_x86_64::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value) { if (!reg_info) return false; const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; if (IsFPR(reg, GetFPRType())) { if (!ReadFPR()) return false; } else { bool success = ReadRegister(reg, value); // If an i386 register should be parsed from an x86_64 register... if (success && reg >= k_first_i386 && reg <= k_last_i386) if (value.GetByteSize() > reg_info->byte_size) value.SetType(reg_info); // ...use the type specified by reg_info rather than the uint64_t default return success; } if (reg_info->encoding == eEncodingVector) { ByteOrder byte_order = GetByteOrder(); if (byte_order != ByteOrder::eByteOrderInvalid) { if (reg >= fpu_stmm0 && reg <= fpu_stmm7) value.SetBytes(m_fpr.xstate.fxsave.stmm[reg - fpu_stmm0].bytes, reg_info->byte_size, byte_order); if (reg >= fpu_xmm0 && reg <= fpu_xmm15) value.SetBytes(m_fpr.xstate.fxsave.xmm[reg - fpu_xmm0].bytes, reg_info->byte_size, byte_order); if (reg >= fpu_ymm0 && reg <= fpu_ymm15) { // Concatenate ymm using the register halves in xmm.bytes and ymmh.bytes if (GetFPRType() == eXSAVE && CopyXSTATEtoYMM(reg, byte_order)) value.SetBytes(m_ymm_set.ymm[reg - fpu_ymm0].bytes, reg_info->byte_size, byte_order); else return false; } return value.GetType() == RegisterValue::eTypeBytes; } return false; } // Note that lldb uses slightly different naming conventions from sys/user.h switch (reg) { default: return false; case fpu_dp: value = m_fpr.xstate.fxsave.dp; break; case fpu_fcw: value = m_fpr.xstate.fxsave.fcw; break; case fpu_fsw: value = m_fpr.xstate.fxsave.fsw; break; case fpu_ip: value = m_fpr.xstate.fxsave.ip; break; case fpu_fop: value = m_fpr.xstate.fxsave.fop; break; case fpu_ftw: value = m_fpr.xstate.fxsave.ftw; break; case fpu_mxcsr: value = m_fpr.xstate.fxsave.mxcsr; break; case fpu_mxcsrmask: value = m_fpr.xstate.fxsave.mxcsrmask; break; } return true; }