diff options
Diffstat (limited to 'source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.cpp')
| -rw-r--r-- | source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.cpp | 452 |
1 files changed, 195 insertions, 257 deletions
diff --git a/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.cpp b/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.cpp index 321e6ea262ce..e7b01fa8634a 100644 --- a/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.cpp +++ b/source/Plugins/Process/FreeBSD/RegisterContextPOSIXProcessMonitor_powerpc.cpp @@ -1,337 +1,275 @@ -//===-- RegisterContextPOSIXProcessMonitor_powerpc.h ------------*- C++ -*-===// +//===-- RegisterContextPOSIXProcessMonitor_powerpc.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" #include "lldb/Target/Thread.h" -#include "RegisterContextPOSIX_powerpc.h" #include "ProcessFreeBSD.h" -#include "RegisterContextPOSIXProcessMonitor_powerpc.h" #include "ProcessMonitor.h" +#include "RegisterContextPOSIXProcessMonitor_powerpc.h" +#include "RegisterContextPOSIX_powerpc.h" using namespace lldb_private; using namespace lldb; #define REG_CONTEXT_SIZE (GetGPRSize()) -RegisterContextPOSIXProcessMonitor_powerpc::RegisterContextPOSIXProcessMonitor_powerpc(Thread &thread, - uint32_t concrete_frame_idx, - lldb_private::RegisterInfoInterface *register_info) - : RegisterContextPOSIX_powerpc(thread, concrete_frame_idx, register_info) -{ -} +RegisterContextPOSIXProcessMonitor_powerpc:: + RegisterContextPOSIXProcessMonitor_powerpc( + Thread &thread, uint32_t concrete_frame_idx, + lldb_private::RegisterInfoInterface *register_info) + : RegisterContextPOSIX_powerpc(thread, concrete_frame_idx, register_info) {} -ProcessMonitor & -RegisterContextPOSIXProcessMonitor_powerpc::GetMonitor() -{ - ProcessSP base = CalculateProcess(); - ProcessFreeBSD *process = static_cast<ProcessFreeBSD*>(base.get()); - return process->GetMonitor(); +ProcessMonitor &RegisterContextPOSIXProcessMonitor_powerpc::GetMonitor() { + ProcessSP base = CalculateProcess(); + ProcessFreeBSD *process = static_cast<ProcessFreeBSD *>(base.get()); + return process->GetMonitor(); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ReadGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadGPR(m_thread.GetID(), &m_gpr_powerpc, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_powerpc::ReadGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadGPR(m_thread.GetID(), &m_gpr_powerpc, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ReadFPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadFPR(m_thread.GetID(), &m_fpr_powerpc, sizeof(m_fpr_powerpc)); +bool RegisterContextPOSIXProcessMonitor_powerpc::ReadFPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadFPR(m_thread.GetID(), &m_fpr_powerpc, + sizeof(m_fpr_powerpc)); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ReadVMX() -{ - // XXX: Need a way to read/write process VMX registers with ptrace. - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::ReadVMX() { + // XXX: Need a way to read/write process VMX registers with ptrace. + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::WriteGPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteGPR(m_thread.GetID(), &m_gpr_powerpc, GetGPRSize()); +bool RegisterContextPOSIXProcessMonitor_powerpc::WriteGPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteGPR(m_thread.GetID(), &m_gpr_powerpc, GetGPRSize()); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::WriteFPR() -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.WriteFPR(m_thread.GetID(), &m_fpr_powerpc, sizeof(m_fpr_powerpc)); +bool RegisterContextPOSIXProcessMonitor_powerpc::WriteFPR() { + ProcessMonitor &monitor = GetMonitor(); + return monitor.WriteFPR(m_thread.GetID(), &m_fpr_powerpc, + sizeof(m_fpr_powerpc)); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::WriteVMX() -{ - // XXX: Need a way to read/write process VMX registers with ptrace. - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::WriteVMX() { + // XXX: Need a way to read/write process VMX registers with ptrace. + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ReadRegister(const unsigned reg, - RegisterValue &value) -{ - ProcessMonitor &monitor = GetMonitor(); - return monitor.ReadRegisterValue(m_thread.GetID(), - GetRegisterOffset(reg), - GetRegisterName(reg), - GetRegisterSize(reg), - value); +bool RegisterContextPOSIXProcessMonitor_powerpc::ReadRegister( + const unsigned reg, RegisterValue &value) { + ProcessMonitor &monitor = GetMonitor(); + return monitor.ReadRegisterValue(m_thread.GetID(), GetRegisterOffset(reg), + GetRegisterName(reg), GetRegisterSize(reg), + value); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::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_powerpc::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(); - // Account for the fact that 32-bit targets on powerpc64 really use 64-bit - // registers in ptrace, but expose here 32-bit registers with a higher - // offset. - uint64_t offset = GetRegisterOffset(reg_to_write); - offset &= ~(sizeof(uintptr_t) - 1); - return monitor.WriteRegisterValue(m_thread.GetID(), - offset, - GetRegisterName(reg_to_write), - value_to_write); + } + + ProcessMonitor &monitor = GetMonitor(); + // Account for the fact that 32-bit targets on powerpc64 really use 64-bit + // registers in ptrace, but expose here 32-bit registers with a higher + // offset. + uint64_t offset = GetRegisterOffset(reg_to_write); + offset &= ~(sizeof(uintptr_t) - 1); + return monitor.WriteRegisterValue( + m_thread.GetID(), offset, GetRegisterName(reg_to_write), value_to_write); } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ReadRegister(const RegisterInfo *reg_info, RegisterValue &value) -{ - if (!reg_info) - return false; - - const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; +bool RegisterContextPOSIXProcessMonitor_powerpc::ReadRegister( + const RegisterInfo *reg_info, RegisterValue &value) { + if (!reg_info) + return false; - if (IsFPR(reg)) - { - if (!ReadFPR()) - return false; - uint8_t *src = (uint8_t *)&m_fpr_powerpc + reg_info->byte_offset; - value.SetUInt64(*(uint64_t*)src); - } - else if (IsGPR(reg)) - { - bool success = ReadRegister(reg, value); - - if (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; + const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; + + if (IsFPR(reg)) { + if (!ReadFPR()) + return false; + uint8_t *src = (uint8_t *)&m_fpr_powerpc + reg_info->byte_offset; + value.SetUInt64(*(uint64_t *)src); + } else if (IsGPR(reg)) { + bool success = ReadRegister(reg, value); + + if (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_powerpc::WriteRegister(const RegisterInfo *reg_info, const RegisterValue &value) -{ - const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; +bool RegisterContextPOSIXProcessMonitor_powerpc::WriteRegister( + const RegisterInfo *reg_info, const RegisterValue &value) { + const uint32_t reg = reg_info->kinds[eRegisterKindLLDB]; - if (IsGPR(reg)) - { - return WriteRegister(reg, value); - } - else if (IsFPR(reg)) - { - assert (reg_info->byte_offset < sizeof(m_fpr_powerpc)); - uint8_t *dst = (uint8_t *)&m_fpr_powerpc + reg_info->byte_offset; - *(uint64_t *)dst = value.GetAsUInt64(); - return WriteFPR(); - } + if (IsGPR(reg)) { + return WriteRegister(reg, value); + } else if (IsFPR(reg)) { + assert(reg_info->byte_offset < sizeof(m_fpr_powerpc)); + uint8_t *dst = (uint8_t *)&m_fpr_powerpc + reg_info->byte_offset; + *(uint64_t *)dst = value.GetAsUInt64(); + return WriteFPR(); + } - return false; + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::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_powerpc, GetGPRSize()); - dst += GetGPRSize(); - } +bool RegisterContextPOSIXProcessMonitor_powerpc::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_powerpc, GetGPRSize()); + dst += GetGPRSize(); } - return success; + } + return success; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::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_powerpc, src, GetGPRSize()); - - if (WriteGPR()) - { - src += GetGPRSize(); - ::memcpy (&m_fpr_powerpc, src, sizeof(m_fpr_powerpc)); - - success = WriteFPR(); - } - } +bool RegisterContextPOSIXProcessMonitor_powerpc::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_powerpc, src, GetGPRSize()); + + if (WriteGPR()) { + src += GetGPRSize(); + ::memcpy(&m_fpr_powerpc, src, sizeof(m_fpr_powerpc)); + + success = WriteFPR(); + } } - return success; + } + return success; } -uint32_t -RegisterContextPOSIXProcessMonitor_powerpc::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_powerpc::SetHardwareWatchpoint( + addr_t addr, size_t size, bool read, bool write) { + const uint32_t num_hw_watchpoints = NumSupportedHardwareWatchpoints(); + uint32_t hw_index; - return LLDB_INVALID_INDEX32; + 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; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ClearHardwareWatchpoint(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::ClearHardwareWatchpoint( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::HardwareSingleStep(bool enable) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::HardwareSingleStep( + bool enable) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::UpdateAfterBreakpoint() -{ - lldb::addr_t pc; +bool RegisterContextPOSIXProcessMonitor_powerpc::UpdateAfterBreakpoint() { + lldb::addr_t pc; - if ((pc = GetPC()) == LLDB_INVALID_ADDRESS) - return false; + if ((pc = GetPC()) == LLDB_INVALID_ADDRESS) + return false; - return true; + return true; } -unsigned -RegisterContextPOSIXProcessMonitor_powerpc::GetRegisterIndexFromOffset(unsigned offset) -{ - unsigned reg; - for (reg = 0; reg < k_num_registers_powerpc; reg++) - { - if (GetRegisterInfo()[reg].byte_offset == offset) - break; - } - assert(reg < k_num_registers_powerpc && "Invalid register offset."); - return reg; +unsigned RegisterContextPOSIXProcessMonitor_powerpc::GetRegisterIndexFromOffset( + unsigned offset) { + unsigned reg; + for (reg = 0; reg < k_num_registers_powerpc; reg++) { + if (GetRegisterInfo()[reg].byte_offset == offset) + break; + } + assert(reg < k_num_registers_powerpc && "Invalid register offset."); + return reg; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::IsWatchpointHit(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::IsWatchpointHit( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::ClearWatchpointHits() -{ - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::ClearWatchpointHits() { + return false; } -addr_t -RegisterContextPOSIXProcessMonitor_powerpc::GetWatchpointAddress(uint32_t hw_index) -{ - return LLDB_INVALID_ADDRESS; +addr_t RegisterContextPOSIXProcessMonitor_powerpc::GetWatchpointAddress( + uint32_t hw_index) { + return LLDB_INVALID_ADDRESS; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::IsWatchpointVacant(uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::IsWatchpointVacant( + uint32_t hw_index) { + return false; } -bool -RegisterContextPOSIXProcessMonitor_powerpc::SetHardwareWatchpointWithIndex(addr_t addr, size_t size, - bool read, bool write, - uint32_t hw_index) -{ - return false; +bool RegisterContextPOSIXProcessMonitor_powerpc::SetHardwareWatchpointWithIndex( + addr_t addr, size_t size, bool read, bool write, uint32_t hw_index) { + return false; } uint32_t -RegisterContextPOSIXProcessMonitor_powerpc::NumSupportedHardwareWatchpoints() -{ - return 0; +RegisterContextPOSIXProcessMonitor_powerpc::NumSupportedHardwareWatchpoints() { + return 0; } - |