Vendor ruby-macho-2.1.0
This commit is contained in:
parent
d9dbe26bda
commit
580aac1053
@ -12,4 +12,4 @@ $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/activesupport-5.2.1/l
|
||||
$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/backports-3.11.4/lib"
|
||||
$:.unshift "#{path}/"
|
||||
$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/plist-3.4.0/lib"
|
||||
$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/ruby-macho-2.0.0/lib"
|
||||
$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/ruby-macho-2.1.0/lib"
|
||||
|
||||
@ -12,7 +12,7 @@ require_relative "macho/tools"
|
||||
# The primary namespace for ruby-macho.
|
||||
module MachO
|
||||
# release version
|
||||
VERSION = "2.0.0".freeze
|
||||
VERSION = "2.1.0".freeze
|
||||
|
||||
# Opens the given filename as a MachOFile or FatFile, depending on its magic.
|
||||
# @param filename [String] the file being opened
|
||||
@ -194,4 +194,14 @@ module MachO
|
||||
super "Unimplemented: #{thing}"
|
||||
end
|
||||
end
|
||||
|
||||
# Raised when attempting to create a {FatFile} from one or more {MachOFile}s
|
||||
# whose offsets will not fit within the resulting 32-bit {Headers::FatArch#offset} fields.
|
||||
class FatArchOffsetOverflowError < MachOError
|
||||
# @param offset [Integer] the offending offset
|
||||
def initialize(offset)
|
||||
super "Offset #{offset} exceeds the 32-bit width of a fat_arch offset." \
|
||||
" Consider merging with `fat64: true`"
|
||||
end
|
||||
end
|
||||
end
|
||||
@ -14,7 +14,7 @@ module MachO
|
||||
# @return [Headers::FatHeader] the file's header
|
||||
attr_reader :header
|
||||
|
||||
# @return [Array<Headers::FatArch>] an array of fat architectures
|
||||
# @return [Array<Headers::FatArch>, Array<Headers::FatArch64] an array of fat architectures
|
||||
attr_reader :fat_archs
|
||||
|
||||
# @return [Array<MachOFile>] an array of Mach-O binaries
|
||||
@ -22,37 +22,49 @@ module MachO
|
||||
|
||||
# Creates a new FatFile from the given (single-arch) Mach-Os
|
||||
# @param machos [Array<MachOFile>] the machos to combine
|
||||
# @param fat64 [Boolean] whether to use {Headers::FatArch64}s to represent each slice
|
||||
# @return [FatFile] a new FatFile containing the give machos
|
||||
# @raise [ArgumentError] if less than one Mach-O is given
|
||||
def self.new_from_machos(*machos)
|
||||
# @raise [FatArchOffsetOverflowError] if the Mach-Os are too big to be represented
|
||||
# in a 32-bit {Headers::FatArch} and `fat64` is `false`.
|
||||
def self.new_from_machos(*machos, fat64: false)
|
||||
raise ArgumentError, "expected at least one Mach-O" if machos.empty?
|
||||
|
||||
fa_klass, magic = if fat64
|
||||
[Headers::FatArch64, Headers::FAT_MAGIC_64]
|
||||
else
|
||||
[Headers::FatArch, Headers::FAT_MAGIC]
|
||||
end
|
||||
|
||||
# put the smaller alignments further forwards in fat macho, so that we do less padding
|
||||
machos = machos.sort_by(&:segment_alignment)
|
||||
|
||||
bin = +""
|
||||
|
||||
bin << Headers::FatHeader.new(Headers::FAT_MAGIC, machos.size).serialize
|
||||
offset = Headers::FatHeader.bytesize + (machos.size * Headers::FatArch.bytesize)
|
||||
bin << Headers::FatHeader.new(magic, machos.size).serialize
|
||||
offset = Headers::FatHeader.bytesize + (machos.size * fa_klass.bytesize)
|
||||
|
||||
macho_pads = {}
|
||||
macho_bins = {}
|
||||
|
||||
machos.each do |macho|
|
||||
macho_offset = Utils.round(offset, 2**macho.segment_alignment)
|
||||
macho_offset = Utils.round(offset, 2**macho.segment_alignment)
|
||||
|
||||
if !fat64 && macho_offset > (2**32 - 1)
|
||||
raise FatArchOffsetOverflowError, macho_offset
|
||||
end
|
||||
|
||||
macho_pads[macho] = Utils.padding_for(offset, 2**macho.segment_alignment)
|
||||
macho_bins[macho] = macho.serialize
|
||||
|
||||
bin << Headers::FatArch.new(macho.header.cputype, macho.header.cpusubtype,
|
||||
macho_offset, macho_bins[macho].bytesize,
|
||||
macho.segment_alignment).serialize
|
||||
bin << fa_klass.new(macho.header.cputype, macho.header.cpusubtype,
|
||||
macho_offset, macho.serialize.bytesize,
|
||||
macho.segment_alignment).serialize
|
||||
|
||||
offset += (macho_bins[macho].bytesize + macho_pads[macho])
|
||||
offset += (macho.serialize.bytesize + macho_pads[macho])
|
||||
end
|
||||
|
||||
machos.each do |macho|
|
||||
bin << Utils.nullpad(macho_pads[macho])
|
||||
bin << macho_bins[macho]
|
||||
bin << macho.serialize
|
||||
end
|
||||
|
||||
new_from_bin(bin)
|
||||
@ -278,6 +290,7 @@ module MachO
|
||||
# @note Overwrites all data in the file!
|
||||
def write!
|
||||
raise MachOError, "no initial file to write to" if filename.nil?
|
||||
|
||||
File.open(@filename, "wb") { |f| f.write(@raw_data) }
|
||||
end
|
||||
|
||||
@ -327,10 +340,12 @@ module MachO
|
||||
def populate_fat_archs
|
||||
archs = []
|
||||
|
||||
fa_off = Headers::FatHeader.bytesize
|
||||
fa_len = Headers::FatArch.bytesize
|
||||
fa_klass = Utils.fat_magic32?(header.magic) ? Headers::FatArch : Headers::FatArch64
|
||||
fa_off = Headers::FatHeader.bytesize
|
||||
fa_len = fa_klass.bytesize
|
||||
|
||||
header.nfat_arch.times do |i|
|
||||
archs << Headers::FatArch.new_from_bin(:big, @raw_data[fa_off + (fa_len * i), fa_len])
|
||||
archs << fa_klass.new_from_bin(:big, @raw_data[fa_off + (fa_len * i), fa_len])
|
||||
end
|
||||
|
||||
archs
|
||||
@ -380,6 +395,7 @@ module MachO
|
||||
|
||||
# Strict mode: Immediately re-raise. Otherwise: Retain, check later.
|
||||
raise error if strict
|
||||
|
||||
errors << error
|
||||
end
|
||||
end
|
||||
@ -6,11 +6,19 @@ module MachO
|
||||
FAT_MAGIC = 0xcafebabe
|
||||
|
||||
# little-endian fat magic
|
||||
# this is defined, but should never appear in ruby-macho code because
|
||||
# fat headers are always big-endian and therefore always unpacked as such.
|
||||
# @note This is defined for completeness, but should never appear in ruby-macho code,
|
||||
# since fat headers are always big-endian.
|
||||
# @api private
|
||||
FAT_CIGAM = 0xbebafeca
|
||||
|
||||
# 64-bit big-endian fat magic
|
||||
FAT_MAGIC_64 = 0xcafebabf
|
||||
|
||||
# 64-bit little-endian fat magic
|
||||
# @note This is defined for completeness, but should never appear in ruby-macho code,
|
||||
# since fat headers are always big-endian.
|
||||
FAT_CIGAM_64 = 0xbfbafeca
|
||||
|
||||
# 32-bit big-endian magic
|
||||
# @api private
|
||||
MH_MAGIC = 0xfeedface
|
||||
@ -31,6 +39,7 @@ module MachO
|
||||
# @api private
|
||||
MH_MAGICS = {
|
||||
FAT_MAGIC => "FAT_MAGIC",
|
||||
FAT_MAGIC_64 => "FAT_MAGIC_64",
|
||||
MH_MAGIC => "MH_MAGIC",
|
||||
MH_CIGAM => "MH_CIGAM",
|
||||
MH_MAGIC_64 => "MH_MAGIC_64",
|
||||
@ -41,6 +50,11 @@ module MachO
|
||||
# @api private
|
||||
CPU_ARCH_ABI64 = 0x01000000
|
||||
|
||||
# mask for CPUs with 64-bit architectures (when running a 32-bit ABI?)
|
||||
# @see https://github.com/Homebrew/ruby-macho/issues/113
|
||||
# @api private
|
||||
CPU_ARCH_ABI32 = 0x02000000
|
||||
|
||||
# any CPU (unused?)
|
||||
# @api private
|
||||
CPU_TYPE_ANY = -1
|
||||
@ -69,6 +83,10 @@ module MachO
|
||||
# @api private
|
||||
CPU_TYPE_ARM64 = (CPU_TYPE_ARM | CPU_ARCH_ABI64)
|
||||
|
||||
# 64-bit ARM compatible CPUs (running in 32-bit mode?)
|
||||
# @see https://github.com/Homebrew/ruby-macho/issues/113
|
||||
CPU_TYPE_ARM64_32 = (CPU_TYPE_ARM | CPU_ARCH_ABI32)
|
||||
|
||||
# PowerPC compatible CPUs
|
||||
# @api private
|
||||
CPU_TYPE_POWERPC = 0x12
|
||||
@ -85,6 +103,7 @@ module MachO
|
||||
CPU_TYPE_X86_64 => :x86_64,
|
||||
CPU_TYPE_ARM => :arm,
|
||||
CPU_TYPE_ARM64 => :arm64,
|
||||
CPU_TYPE_ARM64_32 => :arm64_32,
|
||||
CPU_TYPE_POWERPC => :ppc,
|
||||
CPU_TYPE_POWERPC64 => :ppc64,
|
||||
}.freeze
|
||||
@ -218,6 +237,10 @@ module MachO
|
||||
# @api private
|
||||
CPU_SUBTYPE_ARM64_V8 = 1
|
||||
|
||||
# the v8 sub-type for `CPU_TYPE_ARM64_32`
|
||||
# @api private
|
||||
CPU_SUBTYPE_ARM64_32_V8 = 1
|
||||
|
||||
# the lowest common sub-type for `CPU_TYPE_MC88000`
|
||||
# @api private
|
||||
CPU_SUBTYPE_MC88000_ALL = 0
|
||||
@ -328,6 +351,9 @@ module MachO
|
||||
CPU_SUBTYPE_ARM64_ALL => :arm64,
|
||||
CPU_SUBTYPE_ARM64_V8 => :arm64v8,
|
||||
}.freeze,
|
||||
CPU_TYPE_ARM64_32 => {
|
||||
CPU_SUBTYPE_ARM64_32_V8 => :arm64_32v8,
|
||||
}.freeze,
|
||||
CPU_TYPE_POWERPC => {
|
||||
CPU_SUBTYPE_POWERPC_ALL => :ppc,
|
||||
CPU_SUBTYPE_POWERPC_601 => :ppc601,
|
||||
@ -486,8 +512,10 @@ module MachO
|
||||
end
|
||||
end
|
||||
|
||||
# Fat binary header architecture structure. A Fat binary has one or more of
|
||||
# these, representing one or more internal Mach-O blobs.
|
||||
# 32-bit fat binary header architecture structure. A 32-bit fat Mach-O has one or more of
|
||||
# these, indicating one or more internal Mach-O blobs.
|
||||
# @note "32-bit" indicates the fact that this structure stores 32-bit offsets, not that the
|
||||
# Mach-Os that it points to necessarily *are* 32-bit.
|
||||
# @see MachO::Headers::FatHeader
|
||||
class FatArch < MachOStructure
|
||||
# @return [Integer] the CPU type of the Mach-O
|
||||
@ -505,10 +533,10 @@ module MachO
|
||||
# @return [Integer] the alignment, as a power of 2
|
||||
attr_reader :align
|
||||
|
||||
# always big-endian
|
||||
# @note Always big endian.
|
||||
# @see MachOStructure::FORMAT
|
||||
# @api private
|
||||
FORMAT = "N5".freeze
|
||||
FORMAT = "L>5".freeze
|
||||
|
||||
# @see MachOStructure::SIZEOF
|
||||
# @api private
|
||||
@ -542,6 +570,43 @@ module MachO
|
||||
end
|
||||
end
|
||||
|
||||
# 64-bit fat binary header architecture structure. A 64-bit fat Mach-O has one or more of
|
||||
# these, indicating one or more internal Mach-O blobs.
|
||||
# @note "64-bit" indicates the fact that this structure stores 64-bit offsets, not that the
|
||||
# Mach-Os that it points to necessarily *are* 64-bit.
|
||||
# @see MachO::Headers::FatHeader
|
||||
class FatArch64 < FatArch
|
||||
# @return [void]
|
||||
attr_reader :reserved
|
||||
|
||||
# @note Always big endian.
|
||||
# @see MachOStructure::FORMAT
|
||||
# @api private
|
||||
FORMAT = "L>2Q>2L>2".freeze
|
||||
|
||||
# @see MachOStructure::SIZEOF
|
||||
# @api private
|
||||
SIZEOF = 32
|
||||
|
||||
# @api private
|
||||
def initialize(cputype, cpusubtype, offset, size, align, reserved = 0)
|
||||
super(cputype, cpusubtype, offset, size, align)
|
||||
@reserved = reserved
|
||||
end
|
||||
|
||||
# @return [String] the serialized fields of the fat arch
|
||||
def serialize
|
||||
[cputype, cpusubtype, offset, size, align, reserved].pack(FORMAT)
|
||||
end
|
||||
|
||||
# @return [Hash] a hash representation of this {FatArch64}
|
||||
def to_h
|
||||
{
|
||||
"reserved" => reserved,
|
||||
}.merge super
|
||||
end
|
||||
end
|
||||
|
||||
# 32-bit Mach-O file header structure
|
||||
class MachHeader < MachOStructure
|
||||
# @return [Integer] the magic number
|
||||
@ -593,7 +658,9 @@ module MachO
|
||||
# @return [Boolean] true if `flag` is present in the header's flag section
|
||||
def flag?(flag)
|
||||
flag = MH_FLAGS[flag]
|
||||
|
||||
return false if flag.nil?
|
||||
|
||||
flags & flag == flag
|
||||
end
|
||||
|
||||
@ -242,6 +242,7 @@ module MachO
|
||||
# @api private
|
||||
def serialize(context)
|
||||
raise LoadCommandNotSerializableError, LOAD_COMMANDS[cmd] unless serializable?
|
||||
|
||||
format = Utils.specialize_format(FORMAT, context.endianness)
|
||||
[cmd, SIZEOF].pack(format)
|
||||
end
|
||||
@ -298,7 +299,9 @@ module MachO
|
||||
lc_end = view.offset + lc.cmdsize - 1
|
||||
raw_string = view.raw_data.slice(lc_str_abs..lc_end)
|
||||
@string, null_byte, _padding = raw_string.partition("\x00")
|
||||
|
||||
raise LCStrMalformedError, lc if null_byte.empty?
|
||||
|
||||
@string_offset = lc_str
|
||||
else
|
||||
@string = lc_str
|
||||
@ -473,7 +476,9 @@ module MachO
|
||||
# @return [Boolean] true if `flag` is present in the segment's flag field
|
||||
def flag?(flag)
|
||||
flag = SEGMENT_FLAGS[flag]
|
||||
|
||||
return false if flag.nil?
|
||||
|
||||
flags & flag == flag
|
||||
end
|
||||
|
||||
@ -431,6 +431,7 @@ module MachO
|
||||
# @note Overwrites all data in the file!
|
||||
def write!
|
||||
raise MachOError, "no initial file to write to" if @filename.nil?
|
||||
|
||||
File.open(@filename, "wb") { |f| f.write(@raw_data) }
|
||||
end
|
||||
|
||||
@ -150,7 +150,9 @@ module MachO
|
||||
# @return [Boolean] whether the flag is present in the section's {flags}
|
||||
def flag?(flag)
|
||||
flag = SECTION_FLAGS[flag]
|
||||
|
||||
return false if flag.nil?
|
||||
|
||||
flags & flag == flag
|
||||
end
|
||||
|
||||
@ -89,8 +89,9 @@ module MachO
|
||||
# Merge multiple Mach-Os into one universal (Fat) binary.
|
||||
# @param filename [String] the fat binary to create
|
||||
# @param files [Array<String>] the files to merge
|
||||
# @param fat64 [Boolean] whether to use {Headers::FatArch64}s to represent each slice
|
||||
# @return [void]
|
||||
def self.merge_machos(filename, *files)
|
||||
def self.merge_machos(filename, *files, fat64: false)
|
||||
machos = files.map do |file|
|
||||
macho = MachO.open(file)
|
||||
case macho
|
||||
@ -101,7 +102,7 @@ module MachO
|
||||
end
|
||||
end.flatten
|
||||
|
||||
fat_macho = MachO::FatFile.new_from_machos(*machos)
|
||||
fat_macho = MachO::FatFile.new_from_machos(*machos, :fat64 => fat64)
|
||||
fat_macho.write(filename)
|
||||
end
|
||||
end
|
||||
@ -75,35 +75,49 @@ module MachO
|
||||
# @param num [Integer] the number being checked
|
||||
# @return [Boolean] whether `num` is a valid Fat magic number
|
||||
def self.fat_magic?(num)
|
||||
[Headers::FAT_MAGIC, Headers::FAT_MAGIC_64].include? num
|
||||
end
|
||||
|
||||
# Compares the given number to valid 32-bit Fat magic numbers.
|
||||
# @param num [Integer] the number being checked
|
||||
# @return [Boolean] whether `num` is a valid 32-bit fat magic number
|
||||
def self.fat_magic32?(num)
|
||||
num == Headers::FAT_MAGIC
|
||||
end
|
||||
|
||||
# Compares the given number to valid 64-bit Fat magic numbers.
|
||||
# @param num [Integer] the number being checked
|
||||
# @return [Boolean] whether `num` is a valid 64-bit fat magic number
|
||||
def self.fat_magic64?(num)
|
||||
num == Headers::FAT_MAGIC_64
|
||||
end
|
||||
|
||||
# Compares the given number to valid 32-bit Mach-O magic numbers.
|
||||
# @param num [Integer] the number being checked
|
||||
# @return [Boolean] whether `num` is a valid 32-bit magic number
|
||||
def self.magic32?(num)
|
||||
num == Headers::MH_MAGIC || num == Headers::MH_CIGAM
|
||||
[Headers::MH_MAGIC, Headers::MH_CIGAM].include? num
|
||||
end
|
||||
|
||||
# Compares the given number to valid 64-bit Mach-O magic numbers.
|
||||
# @param num [Integer] the number being checked
|
||||
# @return [Boolean] whether `num` is a valid 64-bit magic number
|
||||
def self.magic64?(num)
|
||||
num == Headers::MH_MAGIC_64 || num == Headers::MH_CIGAM_64
|
||||
[Headers::MH_MAGIC_64, Headers::MH_CIGAM_64].include? num
|
||||
end
|
||||
|
||||
# Compares the given number to valid little-endian magic numbers.
|
||||
# @param num [Integer] the number being checked
|
||||
# @return [Boolean] whether `num` is a valid little-endian magic number
|
||||
def self.little_magic?(num)
|
||||
num == Headers::MH_CIGAM || num == Headers::MH_CIGAM_64
|
||||
[Headers::MH_CIGAM, Headers::MH_CIGAM_64].include? num
|
||||
end
|
||||
|
||||
# Compares the given number to valid big-endian magic numbers.
|
||||
# @param num [Integer] the number being checked
|
||||
# @return [Boolean] whether `num` is a valid big-endian magic number
|
||||
def self.big_magic?(num)
|
||||
num == Headers::MH_CIGAM || num == Headers::MH_CIGAM_64
|
||||
[Headers::MH_MAGIC, Headers::MH_MAGIC_64].include? num
|
||||
end
|
||||
end
|
||||
end
|
||||
Loading…
x
Reference in New Issue
Block a user