diff options
Diffstat (limited to 'source/Plugins/Process/Windows/Common/RegisterContextWindows.cpp')
-rw-r--r-- | source/Plugins/Process/Windows/Common/RegisterContextWindows.cpp | 168 |
1 files changed, 74 insertions, 94 deletions
diff --git a/source/Plugins/Process/Windows/Common/RegisterContextWindows.cpp b/source/Plugins/Process/Windows/Common/RegisterContextWindows.cpp index d61675f09b1b..0ef3c77e47c1 100644 --- a/source/Plugins/Process/Windows/Common/RegisterContextWindows.cpp +++ b/source/Plugins/Process/Windows/Common/RegisterContextWindows.cpp @@ -7,11 +7,11 @@ // //===----------------------------------------------------------------------===// -#include "lldb/lldb-private-types.h" #include "lldb/Core/DataBufferHeap.h" #include "lldb/Core/Error.h" #include "lldb/Host/windows/HostThreadWindows.h" #include "lldb/Host/windows/windows.h" +#include "lldb/lldb-private-types.h" #include "ProcessWindowsLog.h" #include "RegisterContextWindows.h" @@ -27,129 +27,109 @@ const DWORD kWinContextFlags = CONTEXT_CONTROL | CONTEXT_INTEGER; //------------------------------------------------------------------ // Constructors and Destructors //------------------------------------------------------------------ -RegisterContextWindows::RegisterContextWindows(Thread &thread, uint32_t concrete_frame_idx) - : RegisterContext(thread, concrete_frame_idx) - , m_context() - , m_context_stale(true) -{ -} +RegisterContextWindows::RegisterContextWindows(Thread &thread, + uint32_t concrete_frame_idx) + : RegisterContext(thread, concrete_frame_idx), m_context(), + m_context_stale(true) {} -RegisterContextWindows::~RegisterContextWindows() -{ -} +RegisterContextWindows::~RegisterContextWindows() {} -void -RegisterContextWindows::InvalidateAllRegisters() -{ - m_context_stale = true; +void RegisterContextWindows::InvalidateAllRegisters() { + m_context_stale = true; } -bool -RegisterContextWindows::ReadAllRegisterValues(lldb::DataBufferSP &data_sp) -{ - if (!CacheAllRegisterValues()) - return false; - if (data_sp->GetByteSize() < sizeof(m_context)) - { - data_sp.reset(new DataBufferHeap(sizeof(CONTEXT), 0)); - } - memcpy(data_sp->GetBytes(), &m_context, sizeof(m_context)); - return true; +bool RegisterContextWindows::ReadAllRegisterValues( + lldb::DataBufferSP &data_sp) { + if (!CacheAllRegisterValues()) + return false; + if (data_sp->GetByteSize() < sizeof(m_context)) { + data_sp.reset(new DataBufferHeap(sizeof(CONTEXT), 0)); + } + memcpy(data_sp->GetBytes(), &m_context, sizeof(m_context)); + return true; } -bool -RegisterContextWindows::WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) -{ - assert(data_sp->GetByteSize() >= sizeof(m_context)); - memcpy(&m_context, data_sp->GetBytes(), sizeof(m_context)); +bool RegisterContextWindows::WriteAllRegisterValues( + const lldb::DataBufferSP &data_sp) { + assert(data_sp->GetByteSize() >= sizeof(m_context)); + memcpy(&m_context, data_sp->GetBytes(), sizeof(m_context)); - TargetThreadWindows &wthread = static_cast<TargetThreadWindows &>(m_thread); - if (!::SetThreadContext(wthread.GetHostThread().GetNativeThread().GetSystemHandle(), &m_context)) - return false; + TargetThreadWindows &wthread = static_cast<TargetThreadWindows &>(m_thread); + if (!::SetThreadContext( + wthread.GetHostThread().GetNativeThread().GetSystemHandle(), + &m_context)) + return false; - return true; + return true; } -uint32_t -RegisterContextWindows::ConvertRegisterKindToRegisterNumber(lldb::RegisterKind kind, uint32_t num) -{ - const uint32_t num_regs = GetRegisterCount(); +uint32_t RegisterContextWindows::ConvertRegisterKindToRegisterNumber( + lldb::RegisterKind kind, uint32_t num) { + const uint32_t num_regs = GetRegisterCount(); - assert(kind < kNumRegisterKinds); - for (uint32_t reg_idx = 0; reg_idx < num_regs; ++reg_idx) - { - const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg_idx); + assert(kind < kNumRegisterKinds); + for (uint32_t reg_idx = 0; reg_idx < num_regs; ++reg_idx) { + const RegisterInfo *reg_info = GetRegisterInfoAtIndex(reg_idx); - if (reg_info->kinds[kind] == num) - return reg_idx; - } + if (reg_info->kinds[kind] == num) + return reg_idx; + } - return LLDB_INVALID_REGNUM; + return LLDB_INVALID_REGNUM; } //------------------------------------------------------------------ // Subclasses can these functions if desired //------------------------------------------------------------------ -uint32_t -RegisterContextWindows::NumSupportedHardwareBreakpoints() -{ - // Support for hardware breakpoints not yet implemented. - return 0; +uint32_t RegisterContextWindows::NumSupportedHardwareBreakpoints() { + // Support for hardware breakpoints not yet implemented. + return 0; } -uint32_t -RegisterContextWindows::SetHardwareBreakpoint(lldb::addr_t addr, size_t size) -{ - return 0; +uint32_t RegisterContextWindows::SetHardwareBreakpoint(lldb::addr_t addr, + size_t size) { + return 0; } -bool -RegisterContextWindows::ClearHardwareBreakpoint(uint32_t hw_idx) -{ - return false; +bool RegisterContextWindows::ClearHardwareBreakpoint(uint32_t hw_idx) { + return false; } -uint32_t -RegisterContextWindows::NumSupportedHardwareWatchpoints() -{ - // Support for hardware watchpoints not yet implemented. - return 0; +uint32_t RegisterContextWindows::NumSupportedHardwareWatchpoints() { + // Support for hardware watchpoints not yet implemented. + return 0; } -uint32_t -RegisterContextWindows::SetHardwareWatchpoint(lldb::addr_t addr, size_t size, bool read, bool write) -{ - return 0; +uint32_t RegisterContextWindows::SetHardwareWatchpoint(lldb::addr_t addr, + size_t size, bool read, + bool write) { + return 0; } -bool -RegisterContextWindows::ClearHardwareWatchpoint(uint32_t hw_index) -{ - return false; +bool RegisterContextWindows::ClearHardwareWatchpoint(uint32_t hw_index) { + return false; } -bool -RegisterContextWindows::HardwareSingleStep(bool enable) -{ - return false; -} +bool RegisterContextWindows::HardwareSingleStep(bool enable) { return false; } -bool -RegisterContextWindows::CacheAllRegisterValues() -{ - if (!m_context_stale) - return true; - - TargetThreadWindows &wthread = static_cast<TargetThreadWindows &>(m_thread); - memset(&m_context, 0, sizeof(m_context)); - m_context.ContextFlags = kWinContextFlags; - if (!::GetThreadContext(wthread.GetHostThread().GetNativeThread().GetSystemHandle(), &m_context)) - { - WINERR_IFALL(WINDOWS_LOG_REGISTERS, "GetThreadContext failed with error %u while caching register values.", - ::GetLastError()); - return false; - } - WINLOG_IFALL(WINDOWS_LOG_REGISTERS, "GetThreadContext successfully updated the register values.", ::GetLastError()); - m_context_stale = false; +bool RegisterContextWindows::CacheAllRegisterValues() { + if (!m_context_stale) return true; + + TargetThreadWindows &wthread = static_cast<TargetThreadWindows &>(m_thread); + memset(&m_context, 0, sizeof(m_context)); + m_context.ContextFlags = kWinContextFlags; + if (!::GetThreadContext( + wthread.GetHostThread().GetNativeThread().GetSystemHandle(), + &m_context)) { + WINERR_IFALL( + WINDOWS_LOG_REGISTERS, + "GetThreadContext failed with error %lu while caching register values.", + ::GetLastError()); + return false; + } + WINLOG_IFALL(WINDOWS_LOG_REGISTERS, + "GetThreadContext successfully updated the register values."); + m_context_stale = false; + return true; } |