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macho/load_commands: support new load commands from macOS 15.4 #846

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Merged
woodruffw merged 1 commit into from
Apr 24, 2025
Merged

macho/load_commands: support new load commands from macOS 15.4 #846

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23 changes: 22 additions & 1 deletion lib/macho/load_commands.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,9 @@
(LC_REQ_DYLD | 0x34) => :LC_DYLD_CHAINED_FIXUPS,
(LC_REQ_DYLD | 0x35) => :LC_FILESET_ENTRY,
0x36 => :LC_ATOM_INFO,
0x37 => :LC_FUNCTION_VARIANTS,
0x38 => :LC_FUNCTION_VARIANT_FIXUPS,
0x39 => :LC_TARGET_TRIPLE,
}.freeze

# association of symbol representations to load command constants
Expand Down Expand Up @@ -155,6 +158,9 @@
:LC_DYLD_CHAINED_FIXUPS => "LinkeditDataCommand",
:LC_FILESET_ENTRY => "FilesetEntryCommand",
:LC_ATOM_INFO => "LinkeditDataCommand",
:LC_FUNCTION_VARIANTS => "LinkeditDataCommand",
:LC_FUNCTION_VARIANT_FIXUPS => "LinkeditDataCommand",
:LC_TARGET_TRIPLE => "TargetTripleCommand",
}.freeze

# association of segment name symbols to names
Expand Down Expand Up @@ -1053,11 +1059,26 @@
end
end

# A load command containing the target triple used when compiling the binary.
# Corresponds to LC_TARGET_TRIPLE.
class TargetTripleCommand < LoadCommand
# @return [LCStr] the target triple used when compiling the binary
field :triple, :lcstr, :to_s => true

# @return [Hash] a hash representation of this {TargetTripleCommand}
def to_h
{
"triple" => triple.to_h,

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}.merge super
end
end

# A load command representing the offsets and sizes of a blob of data in
# the __LINKEDIT segment. Corresponds to LC_CODE_SIGNATURE,
# LC_SEGMENT_SPLIT_INFO, LC_FUNCTION_STARTS, LC_DATA_IN_CODE,
# LC_DYLIB_CODE_SIGN_DRS, LC_LINKER_OPTIMIZATION_HINT, LC_DYLD_EXPORTS_TRIE,
# LC_DYLD_CHAINED_FIXUPS, or LC_ATOM_INFO.
# LC_DYLD_CHAINED_FIXUPS, LC_ATOM_INFO, LC_FUNCTION_VARIANTS,
# or LC_FUNCTION_VARIANT_FIXUPS.
class LinkeditDataCommand < LoadCommand
# @return [Integer] offset to the data in the __LINKEDIT segment
field :dataoff, :uint32
Expand Down