diff options
Diffstat (limited to 'ArmPlatformPkg/Scripts/Ds5/firmware_volume.py')
| -rw-r--r-- | ArmPlatformPkg/Scripts/Ds5/firmware_volume.py | 49 |
1 files changed, 46 insertions, 3 deletions
diff --git a/ArmPlatformPkg/Scripts/Ds5/firmware_volume.py b/ArmPlatformPkg/Scripts/Ds5/firmware_volume.py index 651c748a10..cd6f34acaf 100644 --- a/ArmPlatformPkg/Scripts/Ds5/firmware_volume.py +++ b/ArmPlatformPkg/Scripts/Ds5/firmware_volume.py @@ -140,8 +140,53 @@ class EfiSectionPE32: if (base_of_code < base_of_data) and (base_of_code != 0):
return base_of_code
else:
- return base_of_data
+ return base_of_data
+
+class EfiSectionPE64:
+ def __init__(self, ec, base_pe64):
+ self.ec = ec
+ self.base_pe64 = base_pe64
+
+ def get_debug_filepath(self):
+ # Offset from dos hdr to PE file hdr (EFI_IMAGE_NT_HEADERS64)
+ #file_header_offset = self.ec.getMemoryService().readMemory32(self.base_pe64 + 0x3C)
+ file_header_offset = 0x0
+
+ # Offset to debug dir in PE hdrs
+ debug_dir_entry_rva = self.ec.getMemoryService().readMemory32(self.base_pe64 + file_header_offset + 0x138)
+ if debug_dir_entry_rva == 0:
+ raise Exception("EfiFileSectionPE64","No Debug Directory")
+
+ debug_type = self.ec.getMemoryService().readMemory32(self.base_pe64 + debug_dir_entry_rva + 0xC)
+ if (debug_type != 0xdf) and (debug_type != EfiFileSection.EFI_IMAGE_DEBUG_TYPE_CODEVIEW):
+ raise Exception("EfiFileSectionPE64","Debug type is not dwarf")
+
+
+ debug_rva = self.ec.getMemoryService().readMemory32(self.base_pe64 + debug_dir_entry_rva + 0x14)
+
+ dwarf_sig = struct.unpack("cccc", self.ec.getMemoryService().read(str(self.base_pe64 + debug_rva), 4, 32))
+ if (dwarf_sig != 0x66727764) and (dwarf_sig != FirmwareFile.CONST_NB10_SIGNATURE):
+ raise Exception("EfiFileSectionPE64","Dwarf debug signature not found")
+ if dwarf_sig == 0x66727764:
+ filename = self.base_pe64 + debug_rva + 0xc
+ else:
+ filename = self.base_pe64 + 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_pe64 + self.ec.getMemoryService().readMemory32(self.base_pe64 + 0x3C)
+
+ base_of_code = self.base_pe64 + self.ec.getMemoryService().readMemory32(pe_file_header + 0x28)
+ base_of_data = self.base_pe64 + 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
@@ -287,7 +332,6 @@ class FirmwareVolume: except Exception, (ErrorClass, ErrorMessage):
if verbose:
print "Error while loading a symbol file (%s: %s)" % (ErrorClass, ErrorMessage)
- pass
return debug_info
@@ -308,5 +352,4 @@ class FirmwareVolume: except Exception, (ErrorClass, ErrorMessage):
if verbose:
print "Error while loading a symbol file (%s: %s)" % (ErrorClass, ErrorMessage)
- pass
|