def main():
try:
- opts, args = getopt.getopt(sys.argv[1:],"hav:",["help","arch=","verbose"])
+ opts, args = getopt.getopt(sys.argv[1:],"ha:v",["help","arch=","verbose"])
except getopt.GetoptError:
print "Unkown command line args"
sys.exit(2)
Verbose = 0
+ EntryPoint = 0
for o,a in opts:
if o in ("-h", "--help"):
Usage ()
sys.exit ()
elif o in ("-a", "--arch"):
Arch = a
+ elif o in ("-v", "--verbose"):
+ Verbose = 1
else:
Usage ()
sys.exit ()
-
if Verbose:
- print "\nmach-o load commands:"
+ print "\nmach-o load commands:"
otoolload = open("otool-load.log", "r")
data = otoolload.read()
otoolload.close()
-
-
+
# extract extry point from ' ss 0x00000000 eflags 0x00000000 eip 0x00000259 cs 0x00000000'
if Arch == "i386":
eip = data.find("eip")
if r15 != -1:
EntryPoint = int (data[r15 + 4:r15 + 4 + 10], 16)
- # extract entry point from ' r15 0x0000000000000000 rip 0x0000000000000253'
if Arch == "x86_64":
rip = data.find("rip")
if rip != -1:
EntryPoint = int (data[rip + 4:rip + 4 + 18], 16)
-
+
+ if Arch == "arm64":
+ pc = data.find("pc")
+ if pc != -1:
+ EntryPoint = int (data[pc + 3:pc + 3 + 18], 16)
+
if EntryPoint == 0:
print "FAIL - no entry point for PE/COFF image"
sys.exit(-1)
else:
- if Verbose:
- print "Entry Point = 0x%08x" % EntryPoint
+ if Verbose:
+ print "Entry Point = 0x%08x" % EntryPoint
if Verbose:
- print "\nPE/COFF dump:"
- objdump = open("objdump-raw.log", "r")
+ print "\nPE/COFF dump:"
+ objdump = open("efi-pecoff-util-raw.log", "r")
data = objdump.read()
objdump.close()
# Extract 'SizeOfImage 00000360'
Index = data.find("SizeOfImage")
+ Index += data[Index:].find("=")
End = data[Index:].find("\n")
- SizeOfImage = int (data[Index+11:Index + End], 16);
+ SizeOfImage = int (data[Index+1:Index + End], 16)
if Verbose:
- print "SizeOfImage = 0x%08x" % SizeOfImage
-
+ print "SizeOfImage = 0x%08x" % SizeOfImage
+
+ # We used to parse output from objdump...
#Parse ' 0 .text 00000080 00000240 00000240 00000240 2**2'
# ' CONTENTS, ALLOC, LOAD, READONLY, CODE '
- EndOfTable = data.find("SYMBOL TABLE:")
- Index = data.find("Idx Name")
- End = data[Index:].find("\n")
- Index = Index + End + 1
-
+ #
+ # But now we parse efi-pecoff-util
+ #Parse 'Sections:
+ # 'Name = .text
+ # 'VirtualSize = 0x00000100
+ # 'VirtualAddress = 0x00000240
+ # 'SizeOfRawData = 0x00000100
+ # 'PointerToRawData = 0x00000240
+ # 'PointerToRelocations = 0x00000000
+ # 'PointerToLinenumbers = 0x00000000
+ # 'NumberOfRelocations = 0x0000
+ # 'NumberOfLinenumbers = 0x0000
+ # 'Characteristics = 0x60000020
+ EndOfTable = data.find("PdbPointer")
+ Index = data.find("Sections:");
+ Index += data[Index:].find("\n");
+
+ Name = ""
+ Size = -1
+ VMA = -1
+ LMA = -1
+ FileOff = -1
PeCoffEnd = 0
while Index < EndOfTable:
End = data[Index:].find("\n")
Split = data[Index:Index+End].split()
- # Split[0] Indx
- # Split[1] Name i.e. .text
- # Split[2] Size
- # Split[3] VMA
- # Split[4] LMA
- # Split[5] File Off
- # Split[6] Align
- if int(Split[3],16) != int(Split[5],16):
- print "FAIL - %s VMA %08x not equal File off %08x XIP will not work" % (Split[1], int(Split[3],16), int(Split[5],16))
- sys.exit(-1)
-
- if int(Split[3],16) + int(Split[2],16) > PeCoffEnd:
- PeCoffEnd = int(Split[3],16) + int(Split[2],16)
-
- if Split[1] == ".text":
- SecStart = int(Split[3],16)
- SecEnd = int(Split[3],16) + int(Split[2],16)
- if (EntryPoint < SecStart) or (EntryPoint > SecEnd):
- print "FAIL - Entry point (0x%x) not in .text section (0x%x - 0x%x)" % (EntryPoint, SecStart, SecEnd)
- sys.exit(-1)
+ # Split[0] Key
+ # Split[1] =
+ # Split[2] Value
+ if len(Split) == 0:
+ # blank line, we've finished reading a section. process results
+ if Name != "":
+ # make sure we've found everything
+ if Size == -1:
+ print "FAIL - %s Size missing" % Name
+ sys.exit(-1)
+ if VMA == -1:
+ print "FAIL - %s VMA missing" % Name
+ sys.exit(-1)
+ if LMA == -1:
+ print "FAIL - %s LMA missing" % Name
+ sys.exit(-1)
+ if FileOff == -1:
+ print "FAIL - %s FileOff missing" % Name
+ sys.exit(-1)
+
+ if VMA != FileOff:
+ print "FAIL - %s VMA %08x not equal File off %08x XIP will not work" % (Name, VMA, FileOff)
+ sys.exit(-1)
+
+ SecStart = VMA
+ SecEnd = VMA + Size
+ if SecEnd > PeCoffEnd:
+ PeCoffEnd = SecEnd
+
+ if Name == ".text":
+ if (EntryPoint < SecStart) or (EntryPoint > SecEnd):
+ print "FAIL - Entry point (0x%x) not in .text section (0x%x - 0x%x)" % (EntryPoint, SecStart, SecEnd)
+ sys.exit(-1)
+
+ if Verbose:
+ print "%10s %08x %016x %016x %08x" % (Name, Size, VMA, LMA, FileOff) + " End = %x" % PeCoffEnd
+
+ # clear values for next time
+ Name = ""
+ Size = -1
+ VMA = -1
+ LMA = -1
+ FileOff = -1
+ elif len(Split) == 3:
+ Key = Split[0]
+ Value = Split[2]
- if Verbose:
- print "%10s" % Split[1] + ' ' + Split[2] + ' ' + Split[3] + ' ' + Split[4] + ' ' + Split[5] + " End = %x" % PeCoffEnd
- Index += data[Index:].find("\n") + 1
+ if Key == "Name":
+ Name = Value
+ if Key == "VirtualSize":
+ Size = int(Value,16)
+ if Key == "VirtualAddress":
+ VMA = int(Value,16)
+ LMA = VMA # BUG: on our platform the virtual memory address and the load memory address are the same?
+ if Key == "PointerToRawData":
+ FileOff = int(Value,16)
+ else:
+ print "FAIL - Line is not (key = value): '%s'" % data[Index:Index+End]
+ sys.exit(-1)
+
Index += data[Index:].find("\n") + 1
if SizeOfImage < PeCoffEnd:
sys.exit(-1)
if Verbose:
- print "\nmach-o relocations:"
+ print "\nmach-o relocations:"
otoolreloc = open("otool-reloc.log", "r")
lines = otoolreloc.readlines()
otoolreloc.close()
found = True
if Verbose:
- print
+ print
if __name__ == "__main__":
projects / apple / ld64.git / blobdiff