-#
-# Copyright (c) 2011-2012, ARM Limited. All rights reserved.
-#
-# This program and the accompanying materials
-# are licensed and made available under the terms and conditions of the BSD License
-# which accompanies this distribution. The full text of the license may be found at
-# http://opensource.org/licenses/bsd-license.php
-#
-# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-#
-
-from arm_ds.debugger_v1 import DebugException
-
-import struct
-import string
-
-import edk2_debugger
-
-class EfiFileSection(object):
- EFI_SECTION_PE32 = 0x10
- EFI_SECTION_PIC = 0x11
- EFI_SECTION_TE = 0x12
-
- EFI_IMAGE_DEBUG_TYPE_CODEVIEW = 0x2
-
- SIZEOF_EFI_FFS_FILE_HEADER = 0x28
-
- def __init__(self, ec, base):
- self.base = base
- self.ec = ec
-
- def __str__(self):
- return "FileSection(type:0x%X, size:0x%x)" % (self.get_type(), self.get_size())
-
- def get_base(self):
- return self.base
-
- def get_type(self):
- return struct.unpack("B", self.ec.getMemoryService().read(self.base + 0x3, 1, 8))[0]
-
- def get_size(self):
- return (struct.unpack("<I", self.ec.getMemoryService().read(self.base, 4, 32))[0] & 0x00ffffff)
-
- def get_debug_filepath(self):
- type = self.get_type()
- if type == EfiFileSection.EFI_SECTION_TE:
- section = EfiSectionTE(self, ec, self.base + 0x4)
- elif type == EfiFileSection.EFI_SECTION_PE32:
- section = EfiSectionPE32(self, ec, self.base + 0x4)
- else:
- raise Exception("EfiFileSection", "No debug section")
- return section.get_debug_filepath()
-
-class EfiSectionTE:
- SIZEOF_EFI_TE_IMAGE_HEADER = 0x28
- EFI_TE_IMAGE_SIGNATURE = ('V','Z')
-
- def __init__(self, ec, base_te):
- self.ec = ec
- self.base_te = int(base_te)
- te_sig = struct.unpack("cc", self.ec.getMemoryService().read(self.base_te, 2, 32))
- if te_sig != EfiSectionTE.EFI_TE_IMAGE_SIGNATURE:
- raise Exception("EfiFileSectionTE","TE Signature incorrect")
-
- def get_debug_filepath(self):
- stripped_size = struct.unpack("<H", self.ec.getMemoryService().read(self.base_te + 0x6, 2, 32))[0]
- stripped_size -= EfiSectionTE.SIZEOF_EFI_TE_IMAGE_HEADER
-
- debug_dir_entry_rva = self.ec.getMemoryService().readMemory32(self.base_te + 0x20)
- if debug_dir_entry_rva == 0:
- raise Exception("EfiFileSectionTE","No debug directory for image")
- debug_dir_entry_rva -= stripped_size
-
- debug_type = self.ec.getMemoryService().readMemory32(self.base_te + debug_dir_entry_rva + 0xC)
- if (debug_type != 0xdf) and (debug_type != EfiFileSection.EFI_IMAGE_DEBUG_TYPE_CODEVIEW):
- raise Exception("EfiFileSectionTE","Debug type is not dwarf")
-
- debug_rva = self.ec.getMemoryService().readMemory32(self.base_te + debug_dir_entry_rva + 0x14)
- debug_rva -= stripped_size
-
- dwarf_sig = struct.unpack("cccc", self.ec.getMemoryService().read(self.base_te + debug_rva, 4, 32))
- if (dwarf_sig != 0x66727764) and (dwarf_sig != FirmwareFile.CONST_NB10_SIGNATURE):
- raise Exception("EfiFileSectionTE","Dwarf debug signature not found")
-
- if dwarf_sig == 0x66727764:
- filename = self.base_te + debug_rva + 0xc
- else:
- filename = self.base_te + debug_rva + 0x10
- filename = struct.unpack("200s", self.ec.getMemoryService().read(filename, 200, 32))[0]
- return filename[0:string.find(filename,'\0')]
-
- def get_debug_elfbase(self):
- stripped_size = struct.unpack("<H", self.ec.getMemoryService().read(self.base_te + 0x6, 2, 32))[0]
- stripped_size -= EfiSectionTE.SIZEOF_EFI_TE_IMAGE_HEADER
-
- base_of_code = self.ec.getMemoryService().readMemory32(self.base_te + 0xC)
-
- return self.base_te + base_of_code - stripped_size
-
-class EfiSectionPE32:
- def __init__(self, ec, base_pe32):
- self.ec = ec
- self.base_pe32 = base_pe32
-
- def get_debug_filepath(self):
- # Offset from dos hdr to PE file hdr
- file_header_offset = self.ec.getMemoryService().readMemory32(self.base_pe32 + 0x3C)
-
- # Offset to debug dir in PE hdrs
- debug_dir_entry_rva = self.ec.getMemoryService().readMemory32(self.base_pe32 + file_header_offset + 0xA8)
- if debug_dir_entry_rva == 0:
- raise Exception("EfiFileSectionPE32","No Debug Directory")
-
- debug_type = self.ec.getMemoryService().readMemory32(self.base_pe32 + debug_dir_entry_rva + 0xC)
- if (debug_type != 0xdf) and (debug_type != EfiFileSection.EFI_IMAGE_DEBUG_TYPE_CODEVIEW):
- raise Exception("EfiFileSectionPE32","Debug type is not dwarf")
-
-
- debug_rva = self.ec.getMemoryService().readMemory32(self.base_pe32 + debug_dir_entry_rva + 0x14)
-
- dwarf_sig = struct.unpack("cccc", self.ec.getMemoryService().read(str(self.base_pe32 + debug_rva), 4, 32))
- if (dwarf_sig != 0x66727764) and (dwarf_sig != FirmwareFile.CONST_NB10_SIGNATURE):
- raise Exception("EfiFileSectionPE32","Dwarf debug signature not found")
-
- if dwarf_sig == 0x66727764:
- filename = self.base_pe32 + debug_rva + 0xc
- else:
- filename = self.base_pe32 + debug_rva + 0x10
- filename = struct.unpack("200s", self.ec.getMemoryService().read(str(filename), 200, 32))[0]
- return filename[0:string.find(filename,'\0')]
-
- def get_debug_elfbase(self):
- # Offset from dos hdr to PE file hdr
- pe_file_header = self.base_pe32 + self.ec.getMemoryService().readMemory32(self.base_pe32 + 0x3C)
-
- base_of_code = self.base_pe32 + self.ec.getMemoryService().readMemory32(pe_file_header + 0x28)
- base_of_data = self.base_pe32 + self.ec.getMemoryService().readMemory32(pe_file_header + 0x2C)
-
- if (base_of_code < base_of_data) and (base_of_code != 0):
- return base_of_code
- else:
- return base_of_data
-
-class FirmwareFile:
- EFI_FV_FILETYPE_RAW = 0x01
- EFI_FV_FILETYPE_FREEFORM = 0x02
- EFI_FV_FILETYPE_SECURITY_CORE = 0x03
- EFI_FV_FILETYPE_PEI_CORE = 0x04
- EFI_FV_FILETYPE_DXE_CORE = 0x05
- EFI_FV_FILETYPE_PEIM = 0x06
- EFI_FV_FILETYPE_DRIVER = 0x07
- EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER = 0x08
- EFI_FV_FILETYPE_APPLICATION = 0x09
- EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE = 0x0B
- EFI_FV_FILETYPE_FFS_MIN = 0xF0
-
- CONST_NB10_SIGNATURE = ('N','B','1','0')
-
- def __init__(self, fv, base, ec):
- self.fv = fv
- self.base = base
- self.ec = ec
-
- def __str__(self):
- return "FFS(state:0x%x, type:0x%X, size:0x%x)" % (self.get_state(), self.get_type(), self.get_size())
-
- def get_base(self):
- return self.base
-
- def get_size(self):
- size = (self.ec.getMemoryService().readMemory32(self.base + 0x14) & 0x00ffffff)
-
- # Occupied size is the size considering the alignment
- return size + ((0x8 - (size & 0x7)) & 0x7)
-
- def get_type(self):
- return self.ec.getMemoryService().readMemory8(self.base + 0x12)
-
- def get_state(self):
- state = self.ec.getMemoryService().readMemory8(self.base + 0x17)
-
- polarity = self.fv.get_polarity()
- if polarity:
- state = ~state
-
- highest_bit = 0x80;
- while (highest_bit != 0) and ((highest_bit & state) == 0):
- highest_bit >>= 1
-
- return highest_bit
-
- def get_next_section(self, section=None):
- if section == None:
- if self.get_type() != FirmwareFile.EFI_FV_FILETYPE_FFS_MIN:
- section_base = self.get_base() + 0x18;
- else:
- return None
- else:
- section_base = int(section.get_base() + section.get_size())
-
- # Align to next 4 byte boundary
- if (section_base & 0x3) != 0:
- section_base = section_base + 0x4 - (section_base & 0x3)
-
- if section_base < self.get_base() + self.get_size():
- return EfiFileSection(self.ec, section_base)
- else:
- return None
-
-class FirmwareVolume:
- CONST_FV_SIGNATURE = ('_','F','V','H')
- EFI_FVB2_ERASE_POLARITY = 0x800
-
- DebugInfos = []
-
- def __init__(self, ec, fv_base, fv_size):
- self.ec = ec
- self.fv_base = fv_base
- self.fv_size = fv_size
-
- try:
- signature = struct.unpack("cccc", self.ec.getMemoryService().read(fv_base + 0x28, 4, 32))
- except DebugException:
- raise Exception("FirmwareVolume", "Not possible to access the defined firmware volume at [0x%X,0x%X]. Could be the used build report does not correspond to your current debugging context." % (int(fv_base),int(fv_base+fv_size)))
- if signature != FirmwareVolume.CONST_FV_SIGNATURE:
- raise Exception("FirmwareVolume", "This is not a valid firmware volume")
-
- def get_size(self):
- return self.ec.getMemoryService().readMemory32(self.fv_base + 0x20)
-
- def get_attributes(self):
- return self.ec.getMemoryService().readMemory32(self.fv_base + 0x2C)
-
- def get_polarity(self):
- attributes = self.get_attributes()
- if attributes & FirmwareVolume.EFI_FVB2_ERASE_POLARITY:
- return 1
- else:
- return 0
-
- def get_next_ffs(self, ffs=None):
- if ffs == None:
- # Get the offset of the first FFS file from the FV header
- ffs_base = self.fv_base + self.ec.getMemoryService().readMemory16(self.fv_base + 0x30)
- else:
- # Goto the next FFS file
- ffs_base = int(ffs.get_base() + ffs.get_size())
-
- # Align to next 8 byte boundary
- if (ffs_base & 0x7) != 0:
- ffs_base = ffs_base + 0x8 - (ffs_base & 0x7)
-
- if ffs_base < self.fv_base + self.get_size():
- return FirmwareFile(self, ffs_base, self.ec)
- else:
- return None
-
- def get_debug_info(self):
- self.DebugInfos = []
-
- ffs = self.get_next_ffs()
- while ffs != None:
- section = ffs.get_next_section()
- while section != None:
- type = section.get_type()
- if (type == EfiFileSection.EFI_SECTION_TE) or (type == EfiFileSection.EFI_SECTION_PE32):
- self.DebugInfos.append((section.get_base(), section.get_size(), section.get_type()))
- section = ffs.get_next_section(section)
- ffs = self.get_next_ffs(ffs)
-
- def load_symbols_at(self, addr):
- if self.DebugInfos == []:
- self.get_debug_info()
-
- for debug_info in self.DebugInfos:
- if (addr >= debug_info[0]) and (addr < debug_info[0] + debug_info[1]):
- if debug_info[2] == EfiFileSection.EFI_SECTION_TE:
- section = EfiSectionTE(self.ec, debug_info[0] + 0x4)
- elif debug_info[2] == EfiFileSection.EFI_SECTION_PE32:
- section = EfiSectionPE32(self.ec, debug_info[0] + 0x4)
- else:
- raise Exception('FirmwareVolume','Section Type not supported')
-
- edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase())
-
- return debug_info
-
- def load_all_symbols(self):
- if self.DebugInfos == []:
- self.get_debug_info()
-
- for debug_info in self.DebugInfos:
- if debug_info[2] == EfiFileSection.EFI_SECTION_TE:
- section = EfiSectionTE(self.ec, debug_info[0] + 0x4)
- elif debug_info[2] == EfiFileSection.EFI_SECTION_PE32:
- section = EfiSectionPE32(self.ec, debug_info[0] + 0x4)
- else:
- continue
-
- edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase())
+#\r
+# Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r
+# \r
+# This program and the accompanying materials \r
+# are licensed and made available under the terms and conditions of the BSD License \r
+# which accompanies this distribution. The full text of the license may be found at \r
+# http://opensource.org/licenses/bsd-license.php \r
+#\r
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+#\r
+\r
+from arm_ds.debugger_v1 import DebugException\r
+\r
+import struct\r
+import string\r
+\r
+import edk2_debugger\r
+ \r
+class EfiFileSection(object):\r
+ EFI_SECTION_PE32 = 0x10\r
+ EFI_SECTION_PIC = 0x11\r
+ EFI_SECTION_TE = 0x12\r
+ \r
+ EFI_IMAGE_DEBUG_TYPE_CODEVIEW = 0x2\r
+ \r
+ SIZEOF_EFI_FFS_FILE_HEADER = 0x28\r
+\r
+ def __init__(self, ec, base):\r
+ self.base = base\r
+ self.ec = ec\r
+ \r
+ def __str__(self):\r
+ return "FileSection(type:0x%X, size:0x%x)" % (self.get_type(), self.get_size())\r
+ \r
+ def get_base(self):\r
+ return self.base\r
+ \r
+ def get_type(self):\r
+ return struct.unpack("B", self.ec.getMemoryService().read(self.base + 0x3, 1, 8))[0]\r
+ \r
+ def get_size(self):\r
+ return (struct.unpack("<I", self.ec.getMemoryService().read(self.base, 4, 32))[0] & 0x00ffffff)\r
+\r
+ def get_debug_filepath(self):\r
+ type = self.get_type()\r
+ if type == EfiFileSection.EFI_SECTION_TE:\r
+ section = EfiSectionTE(self, ec, self.base + 0x4)\r
+ elif type == EfiFileSection.EFI_SECTION_PE32:\r
+ section = EfiSectionPE32(self, ec, self.base + 0x4)\r
+ else:\r
+ raise Exception("EfiFileSection", "No debug section")\r
+ return section.get_debug_filepath()\r
+\r
+class EfiSectionTE:\r
+ SIZEOF_EFI_TE_IMAGE_HEADER = 0x28\r
+ EFI_TE_IMAGE_SIGNATURE = ('V','Z')\r
+ \r
+ def __init__(self, ec, base_te):\r
+ self.ec = ec\r
+ self.base_te = int(base_te)\r
+ te_sig = struct.unpack("cc", self.ec.getMemoryService().read(self.base_te, 2, 32))\r
+ if te_sig != EfiSectionTE.EFI_TE_IMAGE_SIGNATURE:\r
+ raise Exception("EfiFileSectionTE","TE Signature incorrect")\r
+ \r
+ def get_debug_filepath(self):\r
+ stripped_size = struct.unpack("<H", self.ec.getMemoryService().read(self.base_te + 0x6, 2, 32))[0]\r
+ stripped_size -= EfiSectionTE.SIZEOF_EFI_TE_IMAGE_HEADER\r
+ \r
+ debug_dir_entry_rva = self.ec.getMemoryService().readMemory32(self.base_te + 0x20)\r
+ if debug_dir_entry_rva == 0:\r
+ raise Exception("EfiFileSectionTE","No debug directory for image")\r
+ debug_dir_entry_rva -= stripped_size\r
+ \r
+ debug_type = self.ec.getMemoryService().readMemory32(self.base_te + debug_dir_entry_rva + 0xC)\r
+ if (debug_type != 0xdf) and (debug_type != EfiFileSection.EFI_IMAGE_DEBUG_TYPE_CODEVIEW):\r
+ raise Exception("EfiFileSectionTE","Debug type is not dwarf")\r
+\r
+ debug_rva = self.ec.getMemoryService().readMemory32(self.base_te + debug_dir_entry_rva + 0x14)\r
+ debug_rva -= stripped_size\r
+\r
+ dwarf_sig = struct.unpack("cccc", self.ec.getMemoryService().read(self.base_te + debug_rva, 4, 32))\r
+ if (dwarf_sig != 0x66727764) and (dwarf_sig != FirmwareFile.CONST_NB10_SIGNATURE):\r
+ raise Exception("EfiFileSectionTE","Dwarf debug signature not found")\r
+ \r
+ if dwarf_sig == 0x66727764:\r
+ filename = self.base_te + debug_rva + 0xc\r
+ else:\r
+ filename = self.base_te + debug_rva + 0x10\r
+ filename = struct.unpack("200s", self.ec.getMemoryService().read(filename, 200, 32))[0]\r
+ return filename[0:string.find(filename,'\0')]\r
+ \r
+ def get_debug_elfbase(self):\r
+ stripped_size = struct.unpack("<H", self.ec.getMemoryService().read(self.base_te + 0x6, 2, 32))[0]\r
+ stripped_size -= EfiSectionTE.SIZEOF_EFI_TE_IMAGE_HEADER\r
+ \r
+ base_of_code = self.ec.getMemoryService().readMemory32(self.base_te + 0xC)\r
+ \r
+ return self.base_te + base_of_code - stripped_size\r
+\r
+class EfiSectionPE32:\r
+ def __init__(self, ec, base_pe32):\r
+ self.ec = ec\r
+ self.base_pe32 = base_pe32\r
+\r
+ def get_debug_filepath(self):\r
+ # Offset from dos hdr to PE file hdr\r
+ file_header_offset = self.ec.getMemoryService().readMemory32(self.base_pe32 + 0x3C)\r
+\r
+ # Offset to debug dir in PE hdrs\r
+ debug_dir_entry_rva = self.ec.getMemoryService().readMemory32(self.base_pe32 + file_header_offset + 0xA8)\r
+ if debug_dir_entry_rva == 0:\r
+ raise Exception("EfiFileSectionPE32","No Debug Directory")\r
+\r
+ debug_type = self.ec.getMemoryService().readMemory32(self.base_pe32 + debug_dir_entry_rva + 0xC)\r
+ if (debug_type != 0xdf) and (debug_type != EfiFileSection.EFI_IMAGE_DEBUG_TYPE_CODEVIEW):\r
+ raise Exception("EfiFileSectionPE32","Debug type is not dwarf")\r
+ \r
+ \r
+ debug_rva = self.ec.getMemoryService().readMemory32(self.base_pe32 + debug_dir_entry_rva + 0x14)\r
+ \r
+ dwarf_sig = struct.unpack("cccc", self.ec.getMemoryService().read(str(self.base_pe32 + debug_rva), 4, 32))\r
+ if (dwarf_sig != 0x66727764) and (dwarf_sig != FirmwareFile.CONST_NB10_SIGNATURE):\r
+ raise Exception("EfiFileSectionPE32","Dwarf debug signature not found")\r
+ \r
+ if dwarf_sig == 0x66727764:\r
+ filename = self.base_pe32 + debug_rva + 0xc\r
+ else:\r
+ filename = self.base_pe32 + debug_rva + 0x10\r
+ filename = struct.unpack("200s", self.ec.getMemoryService().read(str(filename), 200, 32))[0]\r
+ return filename[0:string.find(filename,'\0')]\r
+ \r
+ def get_debug_elfbase(self):\r
+ # Offset from dos hdr to PE file hdr\r
+ pe_file_header = self.base_pe32 + self.ec.getMemoryService().readMemory32(self.base_pe32 + 0x3C)\r
+ \r
+ base_of_code = self.base_pe32 + self.ec.getMemoryService().readMemory32(pe_file_header + 0x28)\r
+ base_of_data = self.base_pe32 + self.ec.getMemoryService().readMemory32(pe_file_header + 0x2C)\r
+ \r
+ if (base_of_code < base_of_data) and (base_of_code != 0):\r
+ return base_of_code\r
+ else:\r
+ return base_of_data \r
+ \r
+class FirmwareFile:\r
+ EFI_FV_FILETYPE_RAW = 0x01\r
+ EFI_FV_FILETYPE_FREEFORM = 0x02\r
+ EFI_FV_FILETYPE_SECURITY_CORE = 0x03\r
+ EFI_FV_FILETYPE_PEI_CORE = 0x04\r
+ EFI_FV_FILETYPE_DXE_CORE = 0x05\r
+ EFI_FV_FILETYPE_PEIM = 0x06\r
+ EFI_FV_FILETYPE_DRIVER = 0x07\r
+ EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER = 0x08\r
+ EFI_FV_FILETYPE_APPLICATION = 0x09\r
+ EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE = 0x0B\r
+ EFI_FV_FILETYPE_FFS_MIN = 0xF0\r
+ \r
+ CONST_NB10_SIGNATURE = ('N','B','1','0')\r
+ \r
+ def __init__(self, fv, base, ec):\r
+ self.fv = fv\r
+ self.base = base\r
+ self.ec = ec\r
+ \r
+ def __str__(self):\r
+ return "FFS(state:0x%x, type:0x%X, size:0x%x)" % (self.get_state(), self.get_type(), self.get_size())\r
+ \r
+ def get_base(self):\r
+ return self.base\r
+ \r
+ def get_size(self):\r
+ size = (self.ec.getMemoryService().readMemory32(self.base + 0x14) & 0x00ffffff)\r
+\r
+ # Occupied size is the size considering the alignment\r
+ return size + ((0x8 - (size & 0x7)) & 0x7)\r
+ \r
+ def get_type(self):\r
+ return self.ec.getMemoryService().readMemory8(self.base + 0x12)\r
+ \r
+ def get_state(self):\r
+ state = self.ec.getMemoryService().readMemory8(self.base + 0x17)\r
+ \r
+ polarity = self.fv.get_polarity()\r
+ if polarity:\r
+ state = ~state\r
+ \r
+ highest_bit = 0x80;\r
+ while (highest_bit != 0) and ((highest_bit & state) == 0):\r
+ highest_bit >>= 1\r
+ \r
+ return highest_bit\r
+ \r
+ def get_next_section(self, section=None):\r
+ if section == None:\r
+ if self.get_type() != FirmwareFile.EFI_FV_FILETYPE_FFS_MIN:\r
+ section_base = self.get_base() + 0x18;\r
+ else:\r
+ return None\r
+ else:\r
+ section_base = int(section.get_base() + section.get_size())\r
+ \r
+ # Align to next 4 byte boundary\r
+ if (section_base & 0x3) != 0:\r
+ section_base = section_base + 0x4 - (section_base & 0x3)\r
+\r
+ if section_base < self.get_base() + self.get_size():\r
+ return EfiFileSection(self.ec, section_base)\r
+ else:\r
+ return None\r
+ \r
+class FirmwareVolume:\r
+ CONST_FV_SIGNATURE = ('_','F','V','H')\r
+ EFI_FVB2_ERASE_POLARITY = 0x800\r
+ \r
+ DebugInfos = []\r
+ \r
+ def __init__(self, ec, fv_base, fv_size):\r
+ self.ec = ec\r
+ self.fv_base = fv_base\r
+ self.fv_size = fv_size\r
+ \r
+ try:\r
+ signature = struct.unpack("cccc", self.ec.getMemoryService().read(fv_base + 0x28, 4, 32))\r
+ except DebugException:\r
+ raise Exception("FirmwareVolume", "Not possible to access the defined firmware volume at [0x%X,0x%X]. Could be the used build report does not correspond to your current debugging context." % (int(fv_base),int(fv_base+fv_size)))\r
+ if signature != FirmwareVolume.CONST_FV_SIGNATURE:\r
+ raise Exception("FirmwareVolume", "This is not a valid firmware volume")\r
+ \r
+ def get_size(self):\r
+ return self.ec.getMemoryService().readMemory32(self.fv_base + 0x20)\r
+ \r
+ def get_attributes(self):\r
+ return self.ec.getMemoryService().readMemory32(self.fv_base + 0x2C)\r
+ \r
+ def get_polarity(self):\r
+ attributes = self.get_attributes()\r
+ if attributes & FirmwareVolume.EFI_FVB2_ERASE_POLARITY:\r
+ return 1\r
+ else:\r
+ return 0\r
+ \r
+ def get_next_ffs(self, ffs=None):\r
+ if ffs == None:\r
+ # Get the offset of the first FFS file from the FV header\r
+ ffs_base = self.fv_base + self.ec.getMemoryService().readMemory16(self.fv_base + 0x30)\r
+ else:\r
+ # Goto the next FFS file\r
+ ffs_base = int(ffs.get_base() + ffs.get_size())\r
+ \r
+ # Align to next 8 byte boundary\r
+ if (ffs_base & 0x7) != 0:\r
+ ffs_base = ffs_base + 0x8 - (ffs_base & 0x7)\r
+ \r
+ if ffs_base < self.fv_base + self.get_size():\r
+ return FirmwareFile(self, ffs_base, self.ec)\r
+ else:\r
+ return None\r
+ \r
+ def get_debug_info(self): \r
+ self.DebugInfos = []\r
+ \r
+ ffs = self.get_next_ffs()\r
+ while ffs != None: \r
+ section = ffs.get_next_section()\r
+ while section != None:\r
+ type = section.get_type()\r
+ if (type == EfiFileSection.EFI_SECTION_TE) or (type == EfiFileSection.EFI_SECTION_PE32):\r
+ self.DebugInfos.append((section.get_base(), section.get_size(), section.get_type()))\r
+ section = ffs.get_next_section(section)\r
+ ffs = self.get_next_ffs(ffs)\r
+\r
+ def load_symbols_at(self, addr):\r
+ if self.DebugInfos == []:\r
+ self.get_debug_info()\r
+ \r
+ for debug_info in self.DebugInfos:\r
+ if (addr >= debug_info[0]) and (addr < debug_info[0] + debug_info[1]):\r
+ if debug_info[2] == EfiFileSection.EFI_SECTION_TE:\r
+ section = EfiSectionTE(self.ec, debug_info[0] + 0x4)\r
+ elif debug_info[2] == EfiFileSection.EFI_SECTION_PE32:\r
+ section = EfiSectionPE32(self.ec, debug_info[0] + 0x4)\r
+ else:\r
+ raise Exception('FirmwareVolume','Section Type not supported')\r
+ \r
+ edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase())\r
+\r
+ return debug_info\r
+\r
+ def load_all_symbols(self):\r
+ if self.DebugInfos == []:\r
+ self.get_debug_info()\r
+ \r
+ for debug_info in self.DebugInfos:\r
+ if debug_info[2] == EfiFileSection.EFI_SECTION_TE:\r
+ section = EfiSectionTE(self.ec, debug_info[0] + 0x4)\r
+ elif debug_info[2] == EfiFileSection.EFI_SECTION_PE32:\r
+ section = EfiSectionPE32(self.ec, debug_info[0] + 0x4)\r
+ else:\r
+ continue\r
+ \r
+ edk2_debugger.load_symbol_from_file(self.ec, section.get_debug_filepath(), section.get_debug_elfbase())\r
projects / mirror_edk2.git / blobdiff