NDB插件（NDX）命令!ndxlm的实现
2024.06.23
之前猜想过lm命令是如何实现的，也尝试手动分析过：NDB lm命令实现的猜想。
GEDU开源分享了NDX的项目，NDX - eXtension module for NDB (Nano Debugger)
这样就可以尝试自己亲自动手实现UEFI list modules命令：!ndxlm，由于有示范代码，上手很快，代码简洁。
DECLARE_API(ndxhelp)
{
dprintf
(
"Help for Nano Debugger eXtension (NDX) rev. 2.6:\n"
" !lxp: List linux processes.\n"
" !ndxps [num]: walk task list from init_task.\n"
" !address <addr>: show memory attributes of specified address.\n"
" !idt [addr]: show interrupt descriptor table on x86 system or ARM.\n"
" !dmesg: print kernel message.\n"
" !arena: watch arenas of the glibc heap.\n"
" !ready: display ready queue of processors.\n"
" !ndxlm: UEFI list modules.\n"
);
}
DECLARE_API(ndxlm)
{
//cndxhelp
//ndxhelp(hCurrentProcess, hCurrentThread, dwCurrentPc, dwProcessor, args);
ULONG64 Address, EfiDebugImageInfoTable, LoadedImageProtocolInstance, Efi_Debug_Image_Info_Normal, ImageBase, ImageSize;
UINT32 Offset, TableSize;
UINT16 e_magic;
UINT32 e_lfanew;
UINT32 VirtualAddress, Size;
char filepath[0x200];
ULONG read = 0;
char* filename;
//filepath = (char*)malloc(0x200);
int i = 0;
/*
x DxeCore!mDebugInfoTableHeader
00000000`3ec6f5f0 DxeCore!mDebugInfoTableHeader
r $t0 = DxeCore!mDebugInfoTableHeader
? $t0
eval expression: 1053226480 = 00000000`3ec6f5f0
dt -b EFI_DEBUG_IMAGE_INFO_TABLE_HEADER $t0
+0x000 UpdateStatus : 2
+0x004 TableSize : 0x62
+0x008 EfiDebugImageInfoTable : 0x00000000`efdea018
*/
GetExpressionEx("DxeCore!mDebugInfoTableHeader", &Address, NULL); //00000000`3ec6f5f0
GetFieldValue(Address, "EFI_DEBUG_IMAGE_INFO_TABLE_HEADER", "TableSize", TableSize); //0x62
GetFieldValue(Address, "EFI_DEBUG_IMAGE_INFO_TABLE_HEADER", "EfiDebugImageInfoTable", EfiDebugImageInfoTable); //0x00000000`efdea018
/*
dt -b EFI_DEBUG_IMAGE_INFO_NORMAL 00000000`efdfef98
+0x000 ImageInfoType : 1
+0x008 LoadedImageProtocolInstance : 0x00000000`3ec6d900
+0x010 ImageHandle : 0x00000000`efdfff98
dt -b EFI_LOADED_IMAGE_PROTOCOL ImageBase ImageSize 0x00000000`3ec6d900
+0x040 ImageBase : 0x00000000`3ec42000
+0x048 ImageSize : 0x49000
*/
dprintf("ImageBase ImageEnd FileName ModuleSymbolLoading\n");
while (i < TableSize)
{
//GetFieldValue(EfiDebugImageInfoTable-8, "EFI_DEBUG_IMAGE_INFO_NORMAL", "LoadedImageProtocolInstance", Efi_Debug_Image_Info_Normal); //0x00000000`efdfef98, to read at 0x00000000`efdea018-8+8, to be fixed to nicer one later
ReadMemory(EfiDebugImageInfoTable, &Efi_Debug_Image_Info_Normal, sizeof(Efi_Debug_Image_Info_Normal), &read);
GetFieldValue(Efi_Debug_Image_Info_Normal, "EFI_DEBUG_IMAGE_INFO_NORMAL", "LoadedImageProtocolInstance", LoadedImageProtocolInstance); //0x00000000`3ec6d900
GetFieldValue(LoadedImageProtocolInstance, "EFI_LOADED_IMAGE_PROTOCOL", "ImageBase", ImageBase);
GetFieldValue(LoadedImageProtocolInstance, "EFI_LOADED_IMAGE_PROTOCOL", "ImageSize", ImageSize);
/*
dt EFI_IMAGE_DOS_HEADER e_magic e_lfanew
+0x000 e_magic : Uint2B
+0x03c e_lfanew : Uint4B
*/
GetFieldValue(ImageBase, "EFI_IMAGE_DOS_HEADER", "e_magic", e_magic);
GetFieldValue(ImageBase, "EFI_IMAGE_DOS_HEADER", "e_lfanew", e_lfanew);
//dprintf("%x, %x\n", e_magic, e_lfanew);
/*
dt EFI_IMAGE_NT_HEADERS64 OptionalHeader.DataDirectory[06].VirtualAddress OptionalHeader.DataDirectory[06].Size 0`e9e74000+0`e58
+0x018 OptionalHeader :
+0x070 DataDirectory : [6]EFI_IMAGE_DATA_DIRECTORY[]
+0x000 VirtualAddress : 0x2a4f8
+0x004 Size : 0x1c
*/
GetFieldValue(ImageBase+ e_lfanew, "EFI_IMAGE_NT_HEADERS64", "OptionalHeader.DataDirectory[06].VirtualAddress", VirtualAddress);
GetFieldValue(ImageBase + e_lfanew, "EFI_IMAGE_NT_HEADERS64", "OptionalHeader.DataDirectory[06].Size", Size);
ReadMemory(ImageBase + VirtualAddress + Size + 0x10, filepath, 0x200, &read);
if (read < 0x200) {
dprintf("read filepath failed %d < %d \n", read, 0x200);
return;
}
filename = extract_filename(filepath);
dprintf("%016llx %016llx %s .reload %s=0`%llx, 0`%x\n", ImageBase, ImageBase + ImageSize, filename, filename, ImageBase, ImageSize );
EfiDebugImageInfoTable += 8;
i = i + 1;
}
return;
}
/*ndxlm扩展命令结束*/看看输出，很赞：
.load D:\Gedu\ndx\ndx\x64\Debug\exts\ndx.dll
D:\Gedu\ndx\ndx\x64\Debug\exts\ndx.dll extension is loaded
[ndb]!ndxlm
invalid command name "ndxlm"
!ndxlm
Read system version block failed 1
Read system version block failed 1
Opcode 0x38401401, DSCR.ERR=1, DSCR.EL=2
Opcode 0x38401401, DSCR.ERR=1, DSCR.EL=2
ImageBase ImageEnd FileName ModuleSymbolLoading
000000003ec42000 000000003ec8b000 DxeCore.dll .reload DxeCore.dll=0`3ec42000, 0`49000
00000000eff8b000 00000000eff90000 StatusLedDxe.dll .reload StatusLedDxe.dll=0`eff8b000, 0`5000
00000000eff81000 00000000eff8b000 PcdDxe.dll .reload PcdDxe.dll=0`eff81000, 0`a000
00000000eaf70000 00000000eafb0000 RuntimeDxe.dll .reload RuntimeDxe.dll=0`eaf70000, 0`40000
00000000eff77000 00000000eff81000 SecurityStubDxe.dll .reload SecurityStubDxe.dll=0`eff77000, 0`a000
00000000eaee0000 00000000eaf10000 EmbeddedMonotonicCounter.dll .reload EmbeddedMonotonicCounter.dll=0`eaee0000, 0`30000
00000000eae90000 00000000eaed0000 ResetSystemRuntimeDxe.dll .reload ResetSystemRuntimeDxe.dll=0`eae90000, 0`40000
00000000eff72000 00000000eff77000 MetronomeDxe.dll .reload MetronomeDxe.dll=0`eff72000, 0`5000
00000000eff52000 00000000eff72000 HiiDatabase.dll .reload HiiDatabase.dll=0`eff52000, 0`20000
00000000eadf0000 00000000eae30000 NorFlashDxe.dll .reload NorFlashDxe.dll=0`eadf0000, 0`40000
00000000ead50000 00000000ead90000 RkFvbDxe.dll .reload RkFvbDxe.dll=0`ead50000, 0`40000
00000000eacb0000 00000000eacf0000 VariableRuntimeDxe.dll .reload VariableRuntimeDxe.dll=0`eacb0000, 0`40000
00000000eff4d000 00000000eff52000 SerialDxe.dll .reload SerialDxe.dll=0`eff4d000, 0`5000
00000000eff46000 00000000eff4d000 ArmGicDxe.dll .reload ArmGicDxe.dll=0`eff46000, 0`7000
00000000eff3f000 00000000eff46000 ArmScmiDxe.dll .reload ArmScmiDxe.dll=0`eff3f000, 0`7000
00000000eff34000 00000000eff3f000 AcpiTableDxe.dll .reload AcpiTableDxe.dll=0`eff34000, 0`b000
00000000eff2c000 00000000eff34000 SmbiosDxe.dll .reload SmbiosDxe.dll=0`eff2c000, 0`8000
00000000eff27000 00000000eff2c000 RtcPlatformDxe.dll .reload RtcPlatformDxe.dll=0`eff27000, 0`5000
00000000eff17000 00000000eff27000 Vop2Dxe.dll .reload Vop2Dxe.dll=0`eff17000, 0`10000
00000000eff0e000 00000000eff17000 AnalogixDpLib.dll .reload AnalogixDpLib.dll=0`eff0e000, 0`9000
00000000eff07000 00000000eff0e000 DwHdmiQpLib.dll .reload DwHdmiQpLib.dll=0`eff07000, 0`7000
00000000efeff000 00000000eff07000 DwDpLib.dll .reload DwDpLib.dll=0`efeff000, 0`8000
00000000efef8000 00000000efeff000 UsbHcdDxe.dll .reload UsbHcdDxe.dll=0`efef8000, 0`7000
00000000efef2000 00000000efef8000 DpcDxe.dll .reload DpcDxe.dll=0`efef2000, 0`6000
00000000efeec000 00000000efef2000 HttpUtilitiesDxe.dll .reload HttpUtilitiesDxe.dll=0`efeec000, 0`6000
00000000efedd000 00000000efeec000 DevicePathDxe.dll .reload DevicePathDxe.dll=0`efedd000, 0`f000
00000000efed7000 00000000efedd000 ArmPciCpuIo2Dxe.dll .reload ArmPciCpuIo2Dxe.dll=0`efed7000, 0`6000
00000000efed3000 00000000efed7000 GmacPlatformDxe.dll .reload GmacPlatformDxe.dll=0`efed3000, 0`4000
00000000eabf0000 00000000eac20000 Reset.dll .reload Reset.dll=0`eabf0000, 0`30000
00000000efec7000 00000000efed3000 ArmCpuDxe.dll .reload ArmCpuDxe.dll=0`efec7000, 0`c000
00000000efebe000 00000000efec7000 FaultTolerantWriteDxe.dll .reload FaultTolerantWriteDxe.dll=0`efebe000, 0`9000
00000000efeb8000 00000000efebe000 ArmTimerDxe.dll .reload ArmTimerDxe.dll=0`efeb8000, 0`6000
00000000efeb1000 00000000efeb8000 PlatformSmbiosDxe.dll .reload PlatformSmbiosDxe.dll=0`efeb1000, 0`7000
00000000efe95000 00000000efeb1000 SetupBrowser.dll .reload SetupBrowser.dll=0`efe95000, 0`1c000
00000000efe7a000 00000000efe95000 BdsDxe.dll .reload BdsDxe.dll=0`efe7a000, 0`1b000
00000000efe65000 00000000efe7a000 RK3588Dxe.dll .reload RK3588Dxe.dll=0`efe65000, 0`15000
00000000eaafd000 00000000eabb0000 LogoDxe.dll .reload LogoDxe.dll=0`eaafd000, 0`b3000
00000000eaab0000 00000000eaae0000 CapsuleRuntimeDxe.dll .reload CapsuleRuntimeDxe.dll=0`eaab0000, 0`30000
00000000efe60000 00000000efe65000 WatchdogTimer.dll .reload WatchdogTimer.dll=0`efe60000, 0`5000
00000000eaa70000 00000000eaaa0000 I2cDxe.dll .reload I2cDxe.dll=0`eaa70000, 0`30000
00000000efe58000 00000000efe60000 LcdGraphicsOutputDxe.dll .reload LcdGraphicsOutputDxe.dll=0`efe58000, 0`8000
00000000efe4c000 00000000efe58000 OhciDxe.dll .reload OhciDxe.dll=0`efe4c000, 0`c000
00000000efe3d000 00000000efe4c000 RamDiskDxe.dll .reload RamDiskDxe.dll=0`efe3d000, 0`f000
00000000efe2c000 00000000efe3d000 TlsAuthConfigDxe.dll .reload TlsAuthConfigDxe.dll=0`efe2c000, 0`11000
00000000efe15000 00000000efe2c000 DisplayEngine.dll .reload DisplayEngine.dll=0`efe15000, 0`17000
00000000efe04000 00000000efe15000 PciHostBridgeDxe.dll .reload PciHostBridgeDxe.dll=0`efe04000, 0`11000
00000000eafc5000 00000000eafcc000 NonCoherentIoMmuDxe.dll .reload NonCoherentIoMmuDxe.dll=0`eafc5000, 0`7000
00000000eaaf6000 00000000eaafd000 UsbDpPhyDxe.dll .reload UsbDpPhyDxe.dll=0`eaaf6000, 0`7000
00000000eaaf0000 00000000eaaf6000 AcpiPlatformDxe.dll .reload AcpiPlatformDxe.dll=0`eaaf0000, 0`6000
00000000eaa65000 00000000eaa70000 FdtPlatformDxe.dll .reload FdtPlatformDxe.dll=0`eaa65000, 0`b000
00000000eaa20000 00000000eaa50000 RealTimeClock.dll .reload RealTimeClock.dll=0`eaa20000, 0`30000
00000000eaa18000 00000000eaa20000 ConPlatformDxe.dll .reload ConPlatformDxe.dll=0`eaa18000, 0`8000
00000000eaa0d000 00000000eaa18000 ConSplitterDxe.dll .reload ConSplitterDxe.dll=0`eaa0d000, 0`b000
00000000eaa04000 00000000eaa0d000 GraphicsConsoleDxe.dll .reload GraphicsConsoleDxe.dll=0`eaa04000, 0`9000
00000000ea9f8000 00000000eaa04000 TerminalDxe.dll .reload TerminalDxe.dll=0`ea9f8000, 0`c000
00000000ea9f2000 00000000ea9f8000 BootGraphicsResourceTableDxe.dll .reload BootGraphicsResourceTableDxe.dll=0`ea9f2000, 0`6000
00000000ea9e9000 00000000ea9f2000 I2cDxe.dll .reload I2cDxe.dll=0`ea9e9000, 0`9000
00000000ea9dd000 00000000ea9e9000 EhciDxe.dll .reload EhciDxe.dll=0`ea9dd000, 0`c000
00000000ea9cc000 00000000ea9dd000 XhciDxe.dll .reload XhciDxe.dll=0`ea9cc000, 0`11000
00000000ea9bf000 00000000ea9cc000 UsbBusDxe.dll .reload UsbBusDxe.dll=0`ea9bf000, 0`d000
00000000ea9b5000 00000000ea9bf000 UsbMassStorageDxe.dll .reload UsbMassStorageDxe.dll=0`ea9b5000, 0`a000
00000000ea9ab000 00000000ea9b5000 UsbKbDxe.dll .reload UsbKbDxe.dll=0`ea9ab000, 0`a000
00000000ea9a3000 00000000ea9ab000 UsbMouseDxe.dll .reload UsbMouseDxe.dll=0`ea9a3000, 0`8000
00000000ea99b000 00000000ea9a3000 UsbMouseAbsolutePointerDxe.dll .reload UsbMouseAbsolutePointerDxe.dll=0`ea99b000, 0`8000
00000000ea993000 00000000ea99b000 NonDiscoverablePciDeviceDxe.dll .reload NonDiscoverablePciDeviceDxe.dll=0`ea993000, 0`8000
00000000ea98c000 00000000ea993000 SataController.dll .reload SataController.dll=0`ea98c000, 0`7000
00000000ea97e000 00000000ea98c000 AtaAtapiPassThruDxe.dll .reload AtaAtapiPassThruDxe.dll=0`ea97e000, 0`e000
00000000ea974000 00000000ea97e000 AtaBusDxe.dll .reload AtaBusDxe.dll=0`ea974000, 0`a000
00000000ea96c000 00000000ea974000 DiskIoDxe.dll .reload DiskIoDxe.dll=0`ea96c000, 0`8000
00000000ea962000 00000000ea96c000 PartitionDxe.dll .reload PartitionDxe.dll=0`ea962000, 0`a000
00000000ea954000 00000000ea962000 Fat.dll .reload Fat.dll=0`ea954000, 0`e000
00000000eafc0000 00000000eafc5000 EnglishDxe.dll .reload EnglishDxe.dll=0`eafc0000, 0`5000
00000000ea94a000 00000000ea954000 SnpDxe.dll .reload SnpDxe.dll=0`ea94a000, 0`a000
00000000ea940000 00000000ea94a000 VlanConfigDxe.dll .reload VlanConfigDxe.dll=0`ea940000, 0`a000
00000000ea932000 00000000ea940000 MnpDxe.dll .reload MnpDxe.dll=0`ea932000, 0`e000
00000000ea928000 00000000ea932000 ArpDxe.dll .reload ArpDxe.dll=0`ea928000, 0`a000
00000000ea91b000 00000000ea928000 Dhcp4Dxe.dll .reload Dhcp4Dxe.dll=0`ea91b000, 0`d000
00000000ea904000 00000000ea91b000 Ip4Dxe.dll .reload Ip4Dxe.dll=0`ea904000, 0`17000
00000000ea8f8000 00000000ea904000 Udp4Dxe.dll .reload Udp4Dxe.dll=0`ea8f8000, 0`c000
00000000ea8ec000 00000000ea8f8000 Mtftp4Dxe.dll .reload Mtftp4Dxe.dll=0`ea8ec000, 0`c000
00000000ea8de000 00000000ea8ec000 Dhcp6Dxe.dll .reload Dhcp6Dxe.dll=0`ea8de000, 0`e000
00000000ea8bf000 00000000ea8de000 Ip6Dxe.dll .reload Ip6Dxe.dll=0`ea8bf000, 0`1f000
00000000ea8b3000 00000000ea8bf000 Udp6Dxe.dll .reload Udp6Dxe.dll=0`ea8b3000, 0`c000
00000000ea8a6000 00000000ea8b3000 Mtftp6Dxe.dll .reload Mtftp6Dxe.dll=0`ea8a6000, 0`d000
00000000ea890000 00000000ea8a6000 TcpDxe.dll .reload TcpDxe.dll=0`ea890000, 0`16000
00000000ea87c000 00000000ea890000 UefiPxeBcDxe.dll .reload UefiPxeBcDxe.dll=0`ea87c000, 0`14000
00000000ea792000 00000000ea87c000 TlsDxe.dll .reload TlsDxe.dll=0`ea792000, 0`ea000
00000000ea783000 00000000ea792000 DnsDxe.dll .reload DnsDxe.dll=0`ea783000, 0`f000
00000000ea772000 00000000ea783000 HttpDxe.dll .reload HttpDxe.dll=0`ea772000, 0`11000
00000000ea75d000 00000000ea772000 HttpBootDxe.dll .reload HttpBootDxe.dll=0`ea75d000, 0`15000
0000000180000000 0000000180023000 .reload =0`180000000, 0`23000
00000000ea744000 00000000ea75d000 .reload =0`ea744000, 0`19000
00000000ea73b000 00000000ea744000 Ax88772c.dll .reload Ax88772c.dll=0`ea73b000, 0`9000
00000000ea725000 00000000ea73b000 PciBusDxe.dll .reload PciBusDxe.dll=0`ea725000, 0`16000
00000000ea717000 00000000ea725000 NvmExpressDxe.dll .reload NvmExpressDxe.dll=0`ea717000, 0`e000
00000000ea70b000 00000000ea717000 MmcDxe.dll .reload MmcDxe.dll=0`ea70b000, 0`c000
00000000ea703000 00000000ea70b000 SdhciHostDxe.dll .reload SdhciHostDxe.dll=0`ea703000, 0`8000
00000000e9e74000 00000000e9ea0000 UiApp.dll .reload UiApp.dll=0`e9e74000, 0`2c000
00000000e9c63000 00000000e9d70000 Shell.dll .reload Shell.dll=0`e9c63000, 0`10d000通过自己实现!ndxlm，可以更好地学习理解UEFI代码，输出细节中有彩蛋。
作者：朱博渊 创建时间：2024-06-23 22:21
最后编辑：朱博渊 更新时间：2024-10-15 11:09
最后编辑：朱博渊 更新时间：2024-10-15 11:09
