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https://frontier.innolan.net/github/amigaos-cross-toolchain6.git
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Nicer print-out.
This commit is contained in:
Krystian Bacławski
@ -4,6 +4,7 @@ from collections import namedtuple, defaultdict
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import inspect
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import struct
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import sys
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import textwrap
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class HunkMap(object):
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@ -13,37 +14,37 @@ class HunkMap(object):
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# lading such executables is attempted under <V39 dos, it will fail with a
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# bad hunk type.
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HUNKB_ADVISORY = 29
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HUNKB_CHIP = 30
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HUNKB_FAST = 31
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HUNKB_CHIP = 30
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HUNKB_FAST = 31
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HUNKF_ADVISORY = 1 << HUNKB_ADVISORY
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HUNKF_CHIP = 1 << HUNKB_CHIP
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HUNKF_FAST = 1 << HUNKB_FAST
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HUNKF_CHIP = 1 << HUNKB_CHIP
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HUNKF_FAST = 1 << HUNKB_FAST
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HUNK_UNIT = 999
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HUNK_NAME = 1000
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HUNK_CODE = 1001
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HUNK_DATA = 1002
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HUNK_BSS = 1003
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HUNK_RELOC32 = 1004
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HUNK_RELOC16 = 1005
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HUNK_RELOC8 = 1006
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HUNK_EXT = 1007
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HUNK_SYMBOL = 1008
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HUNK_DEBUG = 1009
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HUNK_END = 1010
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HUNK_HEADER = 1011
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HUNK_OVERLAY = 1013
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HUNK_BREAK = 1014
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HUNK_DREL32 = 1015
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HUNK_DREL16 = 1016
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HUNK_DREL8 = 1017
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HUNK_LIB = 1018
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HUNK_INDEX = 1019
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HUNK_UNIT = 999
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HUNK_NAME = 1000
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HUNK_CODE = 1001
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HUNK_DATA = 1002
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HUNK_BSS = 1003
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HUNK_RELOC32 = 1004
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HUNK_RELOC16 = 1005
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HUNK_RELOC8 = 1006
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HUNK_EXT = 1007
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HUNK_SYMBOL = 1008
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HUNK_DEBUG = 1009
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HUNK_END = 1010
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HUNK_HEADER = 1011
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HUNK_OVERLAY = 1013
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HUNK_BREAK = 1014
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HUNK_DREL32 = 1015
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HUNK_DREL16 = 1016
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HUNK_DREL8 = 1017
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HUNK_LIB = 1018
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HUNK_INDEX = 1019
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HUNK_RELOC32SHORT = 1020
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HUNK_RELRELOC32 = 1021
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HUNK_ABSRELOC16 = 1022
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HUNK_PPC_CODE = 1257
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HUNK_RELRELOC26 = 1260
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HUNK_RELRELOC32 = 1021
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HUNK_ABSRELOC16 = 1022
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HUNK_PPC_CODE = 1257
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HUNK_RELRELOC26 = 1260
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@classmethod
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def GetName(cls, number):
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@ -69,22 +70,22 @@ class HunkMap(object):
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class HunkExtMap(object):
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EXT_SYMB = 0 # symbol table
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EXT_DEF = 1 # relocatable definition
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EXT_ABS = 2 # Absolute definition
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EXT_RES = 3 # no longer supported
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EXT_REF32 = 129 # 32 bit absolute reference to symbol
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EXT_COMMON = 130 # 32 bit absolute reference to COMMON block
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EXT_REF16 = 131 # 16 bit PC-relative reference to symbol
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EXT_REF8 = 132 # 8 bit PC-relative reference to symbol
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EXT_DEXT32 = 133 # 32 bit data relative reference
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EXT_DEXT16 = 134 # 16 bit data relative reference
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EXT_DEXT8 = 135 # 8 bit data relative reference
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EXT_RELREF32 = 136 # 32 bit PC-relative reference to symbol
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EXT_RELCOMMON = 137 # 32 bit PC-relative reference to COMMON block
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EXT_ABSREF16 = 138 # 16 bit absolute reference to symbol
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EXT_ABSREF8 = 139 # 8 bit absolute reference to symbol
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EXT_RELREF26 = 229
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EXT_SYMB = 0 # symbol table
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EXT_DEF = 1 # relocatable definition
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EXT_ABS = 2 # Absolute definition
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EXT_RES = 3 # no longer supported
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EXT_REF32 = 129 # 32 bit absolute reference to symbol
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EXT_COMMON = 130 # 32 bit absolute reference to COMMON block
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EXT_REF16 = 131 # 16 bit PC-relative reference to symbol
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EXT_REF8 = 132 # 8 bit PC-relative reference to symbol
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EXT_DEXT32 = 133 # 32 bit data relative reference
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EXT_DEXT16 = 134 # 16 bit data relative reference
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EXT_DEXT8 = 135 # 8 bit data relative reference
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EXT_RELREF32 = 136 # 32 bit PC-relative reference to symbol
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EXT_RELCOMMON = 137 # 32 bit PC-relative reference to COMMON block
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EXT_ABSREF16 = 138 # 16 bit absolute reference to symbol
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EXT_ABSREF8 = 139 # 8 bit absolute reference to symbol
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EXT_RELREF26 = 229
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@classmethod
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def GetName(cls, number):
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@ -112,38 +113,38 @@ Header = namedtuple('Header', 'residents hunks first last specifiers')
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class HunkParser(object):
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def __init__(self, hunkfile):
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self.data = hunkfile.read()
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self.data = hunkfile.read()
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self.index = 0
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def ReadLong(self):
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data = struct.unpack('>I', self.data[self.index : self.index + 4])[0]
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data = struct.unpack('>I', self.data[self.index:self.index + 4])[0]
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self.index += 4
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return data
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def ReadWord(self):
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data = struct.unpack('>H', self.data[self.index : self.index + 2])[0]
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data = struct.unpack('>H', self.data[self.index:self.index + 2])[0]
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self.index += 2
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return data
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def ReadInt(self):
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data = struct.unpack('>i', self.data[self.index : self.index + 4])[0]
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data = struct.unpack('>i', self.data[self.index:self.index + 4])[0]
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self.index += 4
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return data
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def ReadBytes(self, n = None):
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def ReadBytes(self, n=None):
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if n is None:
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n = self.ReadLong() * 4
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data = self.data[self.index : self.index + n]
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data = self.data[self.index:self.index + n]
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self.index += n
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return data
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def ReadString(self, n = None):
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def ReadString(self, n=None):
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return self.ReadBytes(n).strip('\0')
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def ReadSymbol(self, length):
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symbol = self.ReadString(length)
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value = self.ReadInt()
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return {symbol : value}
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value = self.ReadInt()
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return (symbol, value)
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def ReadSymbols(self):
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symbols = []
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@ -160,12 +161,12 @@ class HunkParser(object):
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def ReadSymbolRefs(self, length):
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symbol = self.ReadString(length)
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count = self.ReadLong()
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refs = [self.ReadLong() for i in range(count)]
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return {symbol : refs}
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count = self.ReadLong()
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refs = [self.ReadLong() for i in range(count)]
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return (symbol, refs)
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def ReadHunkExt(self):
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hunks = defaultdict(dict)
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hunks = defaultdict(list)
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while True:
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longs = self.ReadLong()
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@ -184,7 +185,7 @@ class HunkParser(object):
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else:
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raise NotImplementedError('%s not handled.' % extName)
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hunks[extName].update(data)
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hunks[extName].append(data)
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return hunks
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@ -199,7 +200,7 @@ class HunkParser(object):
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hunkRef = self.ReadLong()
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offsets = [self.ReadLong() for i in range(longs)]
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relocs.update({hunkRef : offsets})
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relocs.update({hunkRef: offsets})
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return relocs
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@ -215,7 +216,7 @@ class HunkParser(object):
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hunkRef = self.ReadWord()
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offsets = [self.ReadWord() for i in range(words)]
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relocs.update({hunkRef : offsets})
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relocs.update({hunkRef: offsets})
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if (self.index - start) & 3:
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self.index += 2
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@ -235,7 +236,7 @@ class HunkParser(object):
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hunks = self.ReadLong()
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first = self.ReadLong()
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last = self.ReadLong()
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last = self.ReadLong()
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specifiers = [self.ReadLong() for i in range(last - first + 1)]
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return Header(residents, hunks, first, last, specifiers)
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@ -272,7 +273,8 @@ class HunkParser(object):
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data = self.ReadHeader()
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elif name in ['HUNK_NAME', 'HUNK_UNIT']:
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data = self.ReadString()
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elif name in ['HUNK_CODE', 'HUNK_PPC_CODE', 'HUNK_DATA', 'HUNK_DEBUG', 'HUNK_INDEX']:
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elif name in ['HUNK_CODE', 'HUNK_PPC_CODE', 'HUNK_DATA', 'HUNK_DEBUG',
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'HUNK_INDEX']:
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data = self.ReadBytes()
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elif name == 'HUNK_OVERLAY':
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data = self.ReadOverlay()
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@ -302,8 +304,34 @@ if __name__ == '__main__':
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if hunk.name == 'HUNK_EXT':
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for name, symbols in hunk.data.items():
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print ' ', name
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for symbol, value in symbols.items():
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print ' ', symbol, '=', value
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else:
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if hunk.data:
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sl = max(len(s) for s, _ in symbols)
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for symbol, value in symbols:
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print ' ', symbol.ljust(sl, ' '), '=', value
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elif hunk.name == 'HUNK_END':
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print ''
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elif hunk.data:
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if isinstance(hunk.data, dict):
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for k, nums in hunk.data.items():
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prefix = ' %d: ' % k
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print textwrap.fill(', '.join(str(n) for n in nums),
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width=80,
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initial_indent=prefix,
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subsequent_indent=' ' * len(prefix))
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elif isinstance(hunk.data, str):
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hexch = ['%.2x' % ord(c) for c in hunk.data]
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ascii = []
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for c in hunk.data:
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if ord(c) >= 32 and ord(c) < 127:
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ascii.append(c)
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else:
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ascii.append('.')
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for i in range(0, len(hexch), 16):
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print ' {0} |{1}|'.format(
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' '.join(hexch[i:i + 16]).ljust(47, ' '),
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''.join(ascii[i:i + 16]))
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elif isinstance(hunk.data, list):
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namelen = max(len(name) for name, _ in hunk.data) + 1
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for name, offset in hunk.data:
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print ' {0}: {1}'.format(name.ljust(namelen, ' '), offset)
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else:
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print ' ', repr(hunk.data)
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