Error ProcessMachCore::GetMemoryRegionInfo(addr_t load_addr, MemoryRegionInfo ®ion_info) { region_info.Clear(); const VMRangeToPermissions::Entry *permission_entry = m_core_range_infos.FindEntryThatContainsOrFollows(load_addr); if (permission_entry) { if (permission_entry->Contains(load_addr)) { region_info.GetRange().SetRangeBase(permission_entry->GetRangeBase()); region_info.GetRange().SetRangeEnd(permission_entry->GetRangeEnd()); const Flags permissions(permission_entry->data); region_info.SetReadable(permissions.Test(ePermissionsReadable) ? MemoryRegionInfo::eYes : MemoryRegionInfo::eNo); region_info.SetWritable(permissions.Test(ePermissionsWritable) ? MemoryRegionInfo::eYes : MemoryRegionInfo::eNo); region_info.SetExecutable(permissions.Test(ePermissionsExecutable) ? MemoryRegionInfo::eYes : MemoryRegionInfo::eNo); } else if (load_addr < permission_entry->GetRangeBase()) { region_info.GetRange().SetRangeBase(load_addr); region_info.GetRange().SetRangeEnd(permission_entry->GetRangeBase()); region_info.SetReadable(MemoryRegionInfo::eNo); region_info.SetWritable(MemoryRegionInfo::eNo); region_info.SetExecutable(MemoryRegionInfo::eNo); } return Error(); } return Error("invalid address"); }
Error ProcessWindowsLive::GetMemoryRegionInfo(lldb::addr_t vm_addr, MemoryRegionInfo &info) { Error error; llvm::sys::ScopedLock lock(m_mutex); if (!m_session_data) { error.SetErrorString("GetMemoryRegionInfo called with no debugging session."); WINERR_IFALL(WINDOWS_LOG_MEMORY, error.AsCString()); return error; } HostProcess process = m_session_data->m_debugger->GetProcess(); lldb::process_t handle = process.GetNativeProcess().GetSystemHandle(); if (handle == nullptr || handle == LLDB_INVALID_PROCESS) { error.SetErrorString("GetMemoryRegionInfo called with an invalid target process."); WINERR_IFALL(WINDOWS_LOG_MEMORY, error.AsCString()); return error; } WINLOG_IFALL(WINDOWS_LOG_MEMORY, "GetMemoryRegionInfo getting info for address 0x%I64x", vm_addr); void *addr = reinterpret_cast<void *>(vm_addr); MEMORY_BASIC_INFORMATION mem_info = {0}; SIZE_T result = ::VirtualQueryEx(handle, addr, &mem_info, sizeof(mem_info)); if (result == 0) { error.SetError(::GetLastError(), eErrorTypeWin32); WINERR_IFALL(WINDOWS_LOG_MEMORY, "VirtualQueryEx returned error %u while getting memory region info for address 0x%I64x", error.GetError(), vm_addr); return error; } const bool readable = IsPageReadable(mem_info.Protect); const bool executable = IsPageExecutable(mem_info.Protect); const bool writable = IsPageWritable(mem_info.Protect); info.SetReadable(readable ? MemoryRegionInfo::eYes : MemoryRegionInfo::eNo); info.SetExecutable(executable ? MemoryRegionInfo::eYes : MemoryRegionInfo::eNo); info.SetWritable(writable ? MemoryRegionInfo::eYes : MemoryRegionInfo::eNo); error.SetError(::GetLastError(), eErrorTypeWin32); WINLOGV_IFALL(WINDOWS_LOG_MEMORY, "Memory region info for address 0x%I64u: readable=%s, executable=%s, writable=%s", BOOL_STR(readable), BOOL_STR(executable), BOOL_STR(writable)); return error; }
Error ProcessWindows::GetMemoryRegionInfo(lldb::addr_t vm_addr, MemoryRegionInfo &info) { Error error; llvm::sys::ScopedLock lock(m_mutex); if (!m_session_data) { error.SetErrorString("ProcessWindows::GetMemoryRegionInfo called with no debugging session."); return error; } HostProcess process = m_session_data->m_debugger->GetProcess(); lldb::process_t handle = process.GetNativeProcess().GetSystemHandle(); if (handle == nullptr || handle == LLDB_INVALID_PROCESS) { error.SetErrorString("ProcessWindows::GetMemoryRegionInfo called with an invalid target process."); return error; } void *addr = reinterpret_cast<void *>(vm_addr); MEMORY_BASIC_INFORMATION mem_info = {0}; SIZE_T result = ::VirtualQueryEx(handle, addr, &mem_info, sizeof(mem_info)); if (result == 0) { error.SetError(::GetLastError(), eErrorTypeWin32); return error; } bool readable = !(mem_info.Protect & PAGE_NOACCESS); bool executable = mem_info.Protect & (PAGE_EXECUTE | PAGE_EXECUTE_READ | PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY); bool writable = mem_info.Protect & (PAGE_EXECUTE_READWRITE | PAGE_EXECUTE_WRITECOPY | PAGE_READWRITE | PAGE_WRITECOPY); info.SetReadable(readable ? MemoryRegionInfo::eYes : MemoryRegionInfo::eNo); info.SetExecutable(executable ? MemoryRegionInfo::eYes : MemoryRegionInfo::eNo); info.SetWritable(writable ? MemoryRegionInfo::eYes : MemoryRegionInfo::eNo); return error; }