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I just ran Bloaty (https://github.com/google/bloaty https://github.com/google/bloaty) on /usr/bin/touch from Catalina, and I got this: $ bloaty `which touc
by haberman 7y ago
I just ran Bloaty (https://github.com/google/bloaty https://github.com/google/bloaty) on /usr/bin/touch from Catalina, and I got this:
$ bloaty `which touch` -d segments,sections --domain=file
FILE SIZE
---------------
55.1% 19.6Ki __LINKEDIT
91.7% 18.0Ki Code Signature
2.7% 544 Symbol Table
1.9% 376 Lazy Binding Info
1.6% 328 String Table
1.2% 232 Indirect Symbol Table
0.6% 112 Binding Info
0.2% 32 Export Info
0.1% 24 Function Start Addresses
0.0% 8 Rebase Info
0.0% 8 Table of Non-instructions
0.0% 0 [__LINKEDIT]
22.2% 7.90Ki __TEXT
35.0% 2.77Ki __TEXT,__text
33.6% 2.65Ki [__TEXT]
17.2% 1.36Ki [Mach-O Headers]
4.2% 339 __TEXT,__cstring
3.4% 274 __TEXT,__const
3.3% 266 __TEXT,__stub_helper
1.9% 150 __TEXT,__stubs
1.5% 120 __TEXT,__unwind_info
11.2% 4.00Ki __DATA
94.9% 3.80Ki [__DATA]
4.9% 200 __DATA,__la_symbol_ptr
0.2% 8 __DATA,__data
11.2% 4.00Ki __DATA_CONST
98.4% 3.94Ki [__DATA_CONST]
1.6% 64 __DATA_CONST,__got
0.3% 104 [Mach-O Headers]
100.0% 35.6Ki TOTAL
So 2.77Ki of actual code in "__TEXT,__text".
Those [__TEXT], [__DATA], and [__DATA_CONST] sections are the part that is lost to padding, so 10.4Ki or so.
Disclosure: I am the author of Bloaty.