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Implements the 'archs' data source to break down universal binaries by architecture. This allows users to: - View file size breakdown by architecture: bloaty -d archs - Filter to specific architecture: bloaty -d archs,segments --source-filter=arm64 - Hierarchical breakdown: bloaty -d archs,segments
Implements GetDisassemblyInfo for Mach-O binaries. Unlike ELF, Mach-O symbol tables don't include symbol size information so sizes are inferred by finding the next symbol boundary and clamping to __text section bounds with a 256 byte fallback. Universal binaries currently require --source-filter to select architecture. This is necessary because currently each architecture slice uses overlapping VM address spaces e.g. both x86_64 and arm64 map __TEXT at the same address.
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Implements GetDisassemblyInfo for Mach-O binaries.
Unlike ELF, Mach-O symbol tables don't include symbol size information
so sizes are inferred by finding the next symbol boundary and clamping to
__text section bounds with a 256 byte fallback.
Universal binaries currently require --source-filter to select architecture.
This is necessary because currently each architecture slice uses
overlapping VM address spaces e.g. both x86_64 and arm64 map __TEXT
at the same address. This could be addressed using separate vm address
e.g. #480
This depends on #481 so it's included
here as PR stacking is annoying