diff options
Diffstat (limited to 'source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.cpp')
| -rw-r--r-- | source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.cpp | 413 |
1 files changed, 179 insertions, 234 deletions
diff --git a/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.cpp b/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.cpp index eeada4b16337..020636eb0a6b 100644 --- a/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.cpp +++ b/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_mips64.cpp @@ -1,11 +1,11 @@ -//===-- RegisterContextPOSIXProcessMonitor_mips64.h ------------*- C++ -*-===// +//===-- RegisterContextPOSIXProcessMonitor_mips64.cpp -----------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // -//===---------------------------------------------------------------------===// +//===----------------------------------------------------------------------===// #include "lldb/Core/DataBufferHeap.h" #include "lldb/Core/RegisterValue.h" @@ -21,298 +21,243 @@ using namespace lldb; #define REG_CONTEXT_SIZE (GetGPRSize()) -RegisterContextPOSIXProcessMonitor_mips64::RegisterContextPOSIXProcessMonitor_mips64(Thread &thread, - uint32_t concrete_frame_idx, - lldb_private::RegisterInfoInterface *register_info) - : RegisterContextPOSIX_mips64(thread, concrete_frame_idx, register_info) -{ -} +RegisterContextPOSIXProcessMonitor_mips64:: + RegisterContextPOSIXProcessMonitor_mips64( + Thread &thread, uint32_t concrete_frame_idx, + lldb_private::RegisterInfoInterface *register_info) + : RegisterContextPOSIX_mips64(thread, concrete_frame_idx, register_info) {} -ProcessMonitor & -RegisterContextPOSIXProcessMonitor_mips64::GetMonitor() -{ - ProcessSP base = CalculateProcess(); - ProcessFreeBSD *process = static_cast<ProcessFreeBSD*>(base.get()); - return process->GetMonitor(); +ProcessMonitor &RegisterContextPOSIXProcessMonitor_mips64::GetMonitor() { + ProcessSP base = CalculateProcess(); + ProcessFreeBSD *process = static_cast<ProcessFreeBSD *>(base.get()); + return process->GetMonitor(); } -bool -RegisterContextPOSIXProcessMonitor_mips64::ReadGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadGPR(m_thread.GetID(), &m_gpr_mips64, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_mips64::ReadGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadGPR(m_thread.GetID(), &m_gpr_mips64, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_mips64::ReadFPR() -{ - // XXX not yet implemented - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::ReadFPR() { + // XXX not yet implemented + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::WriteGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteGPR(m_thread.GetID(), &m_gpr_mips64, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_mips64::WriteGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteGPR(m_thread.GetID(), &m_gpr_mips64, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_mips64::WriteFPR() -{ - // XXX not yet implemented - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::WriteFPR() { + // XXX not yet implemented + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::ReadRegister(const unsigned reg, - RegisterValue &value) -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg), - GetRegisterName(reg), - GetRegisterSize(reg), - value); +bool RegisterContextPOSIXProcessMonitor_mips64::ReadRegister( + const unsigned reg, RegisterValue &value) { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadRegisterValue(m_thread.GetID(), GetRegisterOffset(reg), + GetRegisterName(reg), GetRegisterSize(reg), + value); } -bool -RegisterContextPOSIXProcessMonitor_mips64::WriteRegister(const unsigned reg, - const RegisterValue &value) -{ - unsigned reg_to_write = reg; - RegisterValue value_to_write = value; - - // Check if this is a subregister of a full register. - const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg); - if (reg_info->invalidate_regs && (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) - { - RegisterValue full_value; - uint32_t full_reg = reg_info->invalidate_regs[0]; - const RegisterInfo *full_reg_info = GetRegisterInfoAtIndex(full_reg); - - // Read the full register. - if (ReadRegister(full_reg_info, full_value)) - { - Error error; - ByteOrder byte_order = GetByteOrder(); - uint8_t dst[RegisterValue::kMaxRegisterByteSize]; - - // Get the bytes for the full register. - const uint32_t dest_size = full_value.GetAsMemoryData (full_reg_info, - dst, - sizeof(dst), - byte_order, - error); - if (error.Success() && dest_size) - { - uint8_t src[RegisterValue::kMaxRegisterByteSize]; - - // Get the bytes for the source data. - const uint32_t src_size = value.GetAsMemoryData (reg_info, src, sizeof(src), byte_order, error); - if (error.Success() && src_size && (src_size < dest_size)) - { - // Copy the src bytes to the destination. - memcpy (dst + (reg_info->byte_offset & 0x1), src, src_size); - // Set this full register as the value to write. - value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order); - value_to_write.SetType(full_reg_info); - reg_to_write = full_reg; - } - } +bool RegisterContextPOSIXProcessMonitor_mips64::WriteRegister( + const unsigned reg, const RegisterValue &value) { + unsigned reg_to_write = reg; + RegisterValue value_to_write = value; + + // Check if this is a subregister of a full register. + const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg); + if (reg_info->invalidate_regs && + (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM)) { + RegisterValue full_value; + uint32_t full_reg = reg_info->invalidate_regs[0]; + const RegisterInfo *full_reg_info = GetRegisterInfoAtIndex(full_reg); + + // Read the full register. + if (ReadRegister(full_reg_info, full_value)) { + Error error; + ByteOrder byte_order = GetByteOrder(); + uint8_t dst[RegisterValue::kMaxRegisterByteSize]; + + // Get the bytes for the full register. + const uint32_t dest_size = full_value.GetAsMemoryData( + full_reg_info, dst, sizeof(dst), byte_order, error); + if (error.Success() && dest_size) { + uint8_t src[RegisterValue::kMaxRegisterByteSize]; + + // Get the bytes for the source data. + const uint32_t src_size = value.GetAsMemoryData( + reg_info, src, sizeof(src), byte_order, error); + if (error.Success() && src_size && (src_size < dest_size)) { + // Copy the src bytes to the destination. + memcpy(dst + (reg_info->byte_offset & 0x1), src, src_size); + // Set this full register as the value to write. + value_to_write.SetBytes(dst, full_value.GetByteSize(), byte_order); + value_to_write.SetType(full_reg_info); + reg_to_write = full_reg; } + } } + } - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg_to_write), - GetRegisterName(reg_to_write), - value_to_write); + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteRegisterValue( + m_thread.GetID(), GetRegisterOffset(reg_to_write), + GetRegisterName(reg_to_write), value_to_write); } -bool -RegisterContextPOSIXProcessMonitor_mips64::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value) -{ - if (!reg_info) - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::ReadRegister( + const RegisterInfo *reg_info, RegisterValue &value) { + if (!reg_info) + return false; - const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; + const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; - if (IsFPR(reg)) - { - if (!ReadFPR()) - return false; + if (IsFPR(reg)) { + if (!ReadFPR()) + return false; + } else { + uint32_t full_reg = reg; + bool is_subreg = reg_info->invalidate_regs && + (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM); + + if (is_subreg) { + // Read the full aligned 64-bit register. + full_reg = reg_info->invalidate_regs[0]; } - else - { - uint32_t full_reg = reg; - bool is_subreg = reg_info->invalidate_regs && (reg_info->invalidate_regs[0] != LLDB_INVALID_REGNUM); - - if (is_subreg) - { - // Read the full aligned 64-bit register. - full_reg = reg_info->invalidate_regs[0]; - } - bool success = ReadRegister(full_reg, value); + bool success = ReadRegister(full_reg, value); - if (success) - { - // If our read was not aligned (for ah,bh,ch,dh), shift our returned value one byte to the right. - if (is_subreg && (reg_info->byte_offset & 0x1)) - value.SetUInt64(value.GetAsUInt64() >> 8); + if (success) { + // If our read was not aligned (for ah,bh,ch,dh), shift our returned value + // one byte to the right. + if (is_subreg && (reg_info->byte_offset & 0x1)) + value.SetUInt64(value.GetAsUInt64() >> 8); - // If our return byte size was greater than the return value reg size, then - // use the type specified by reg_info rather than the uint64_t default - if (value.GetByteSize() > reg_info->byte_size) - value.SetType(reg_info); - } - return success; + // If our return byte size was greater than the return value reg size, + // then + // use the type specified by reg_info rather than the uint64_t default + if (value.GetByteSize() > reg_info->byte_size) + value.SetType(reg_info); } + return success; + } - return false; + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &value) -{ - const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; +bool RegisterContextPOSIXProcessMonitor_mips64::WriteRegister( + const RegisterInfo *reg_info, const RegisterValue &value) { + const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; - if (IsGPR(reg)) - return WriteRegister(reg, value); + if (IsGPR(reg)) + return WriteRegister(reg, value); - return false; + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::ReadAllRegisterValues(DataBufferSP &data_sp) -{ - bool success = false; - data_sp.reset (new DataBufferHeap (REG_CONTEXT_SIZE, 0)); - if (data_sp && ReadGPR () && ReadFPR ()) - { - uint8_t *dst = data_sp->GetBytes(); - success = dst != 0; - - if (success) - { - ::memcpy (dst, &m_gpr_mips64, GetGPRSize()); - } +bool RegisterContextPOSIXProcessMonitor_mips64::ReadAllRegisterValues( + DataBufferSP &data_sp) { + bool success = false; + data_sp.reset(new DataBufferHeap(REG_CONTEXT_SIZE, 0)); + if (data_sp && ReadGPR() && ReadFPR()) { + uint8_t *dst = data_sp->GetBytes(); + success = dst != 0; + + if (success) { + ::memcpy(dst, &m_gpr_mips64, GetGPRSize()); } - return success; + } + return success; } -bool -RegisterContextPOSIXProcessMonitor_mips64::WriteAllRegisterValues(const DataBufferSP &data_sp) -{ - bool success = false; - if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) - { - uint8_t *src = data_sp->GetBytes(); - if (src) - { - ::memcpy (&m_gpr_mips64, src, GetGPRSize()); - - if (WriteGPR()) - { - src += GetGPRSize(); - } - } +bool RegisterContextPOSIXProcessMonitor_mips64::WriteAllRegisterValues( + const DataBufferSP &data_sp) { + bool success = false; + if (data_sp && data_sp->GetByteSize() == REG_CONTEXT_SIZE) { + uint8_t *src = data_sp->GetBytes(); + if (src) { + ::memcpy(&m_gpr_mips64, src, GetGPRSize()); + + if (WriteGPR()) { + src += GetGPRSize(); + } } - return success; + } + return success; } -uint32_t -RegisterContextPOSIXProcessMonitor_mips64::SetHardwareWatchpoint(addr_t addr, size_t size, - bool read, bool write) -{ - const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); - uint32_t hw_index; - - for (hw_index = 0; hw_index < num_hw_watchpoints; ++hw_index) - { - if (IsWatchpointVacant(hw_index)) - return SetHardwareWatchpointWithIndex(addr, size, - read, write, - hw_index); - } +uint32_t RegisterContextPOSIXProcessMonitor_mips64::SetHardwareWatchpoint( + addr_t addr, size_t size, bool read, bool write) { + const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); + uint32_t hw_index; + + for (hw_index = 0; hw_index < num_hw_watchpoints; ++hw_index) { + if (IsWatchpointVacant(hw_index)) + return SetHardwareWatchpointWithIndex(addr, size, read, write, hw_index); + } - return LLDB_INVALID_INDEX32; + return LLDB_INVALID_INDEX32; } -bool -RegisterContextPOSIXProcessMonitor_mips64::ClearHardwareWatchpoint(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::ClearHardwareWatchpoint( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::HardwareSingleStep(bool enable) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::HardwareSingleStep( + bool enable) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::UpdateAfterBreakpoint() -{ - // PC points one byte past the int3 responsible for the breakpoint. - lldb::addr_t pc; +bool RegisterContextPOSIXProcessMonitor_mips64::UpdateAfterBreakpoint() { + // PC points one byte past the int3 responsible for the breakpoint. + lldb::addr_t pc; - if ((pc = GetPC()) == LLDB_INVALID_ADDRESS) - return false; + if ((pc = GetPC()) == LLDB_INVALID_ADDRESS) + return false; - SetPC(pc - 1); - return true; + SetPC(pc - 1); + return true; } -unsigned -RegisterContextPOSIXProcessMonitor_mips64::GetRegisterIndexFromOffset(unsigned offset) -{ - unsigned reg; - for (reg = 0; reg < k_num_registers_mips64; reg++) - { - if (GetRegisterInfo()[reg].byte_offset == offset) - break; - } - assert(reg < k_num_registers_mips64 && "Invalid register offset."); - return reg; +unsigned RegisterContextPOSIXProcessMonitor_mips64::GetRegisterIndexFromOffset( + unsigned offset) { + unsigned reg; + for (reg = 0; reg < k_num_registers_mips64; reg++) { + if (GetRegisterInfo()[reg].byte_offset == offset) + break; + } + assert(reg < k_num_registers_mips64 && "Invalid register offset."); + return reg; } -bool -RegisterContextPOSIXProcessMonitor_mips64::IsWatchpointHit(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::IsWatchpointHit( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::ClearWatchpointHits() -{ - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::ClearWatchpointHits() { + return false; } -addr_t -RegisterContextPOSIXProcessMonitor_mips64::GetWatchpointAddress(uint32_t hw_index) -{ - return LLDB_INVALID_ADDRESS; +addr_t RegisterContextPOSIXProcessMonitor_mips64::GetWatchpointAddress( + uint32_t hw_index) { + return LLDB_INVALID_ADDRESS; } -bool -RegisterContextPOSIXProcessMonitor_mips64::IsWatchpointVacant(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::IsWatchpointVacant( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_mips64::SetHardwareWatchpointWithIndex(addr_t addr, size_t size, - bool read, bool write, - uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_mips64::SetHardwareWatchpointWithIndex( + addr_t addr, size_t size, bool read, bool write, uint32_t hw_index) { + return false; } uint32_t -RegisterContextPOSIXProcessMonitor_mips64::NumSupportedHardwareWatchpoints() -{ - return 0; +RegisterContextPOSIXProcessMonitor_mips64::NumSupportedHardwareWatchpoints() { + return 0; } - |