Misc #18153: Should `make install` copy the `ruby.dSYM` folder on macOS?

• Status: Closed
• Assignee: -

[tenderlovemaking (Aaron Patterson)]

If I build Ruby with --enable-shared on Linux, bin/ruby and lib/libruby.so both have DWARF information embedded in the ELF file. However, if I do the same thing on macOS, there is no DWARF information. All DWARF information seems to stay in the ruby.dSYM folder and is never installed.

Should we copy the ruby.dSYM folder during make install so that macOS can have the DWARF information too?

Here is objdump on ELF:

[aaron@tc ~/D/o/x64]$ objdump --section-headers lib/libruby.so

lib/libruby.so:	file format elf64-x86-64

Sections:
Idx Name               Size     VMA              Type
  0                    00000000 0000000000000000 
  1 .note.gnu.build-id 00000024 0000000000000200 
  2 .gnu.hash          00003364 0000000000000228 
  3 .dynsym            0000bfd0 0000000000003590 
  4 .dynstr            0000891a 000000000000f560 
  5 .gnu.version       00000ffc 0000000000017e7a 
  6 .gnu.version_r     000001d0 0000000000018e78 
  7 .rela.dyn          0000e9d0 0000000000019048 
  8 .rela.plt          000084c0 0000000000027a18 
  9 .init              00000017 000000000002fed8 TEXT
 10 .plt               00005890 000000000002fef0 TEXT
 11 .plt.got           000002a0 0000000000035780 TEXT
 12 .text              0029af8e 0000000000035a20 TEXT
 13 .fini              00000009 00000000002d09b0 TEXT
 14 .rodata            000ab806 00000000002d09c0 DATA
 15 .eh_frame_hdr      0000c464 000000000037c1c8 DATA
 16 .eh_frame          000494f0 0000000000388630 DATA
 17 .tbss              00000010 00000000005d28d0 BSS
 18 .init_array        00000008 00000000005d28d0 
 19 .fini_array        00000008 00000000005d28d8 
 20 .data.rel.ro       00005bc8 00000000005d28e0 DATA
 21 .dynamic           00000250 00000000005d84a8 
 22 .got               00000900 00000000005d86f8 DATA
 23 .got.plt           00002c58 00000000005d9000 DATA
 24 .data              00000268 00000000005dbc60 DATA
 25 .bss               00010898 00000000005dbee0 BSS
 26 .comment           00000029 0000000000000000 
 27 .debug_aranges     000006ca 0000000000000000 
 28 .debug_info        002dbb55 0000000000000000 
 29 .debug_abbrev      00006e97 0000000000000000 
 30 .debug_line        0008d709 0000000000000000 
 31 .debug_str         000433f4 0000000000000000 
 32 .debug_loc         0018093e 0000000000000000 
 33 .debug_ranges      0004aada 0000000000000000 
 34 .debug_macro       0002e14d 0000000000000000 
 35 .symtab            00033528 0000000000000000 
 36 .strtab            000247e4 0000000000000000 
 37 .shstrtab          0000016a 0000000000000000 

Here os objdump on Mach-O:

[aaron@tc ~/D/o/x64]$ objdump --section-headers lib/libruby.3.0.dylib

lib/libruby.3.0.dylib:	file format mach-o 64-bit x86-64

Sections:
Idx Name            Size     VMA              Type
  0 __text          0029e842 0000000000002bd0 TEXT
  1 __stubs         0000071a 00000000002a1412 TEXT
  2 __stub_helper   00000be6 00000000002a1b2c TEXT
  3 __const         0007da40 00000000002a2720 DATA
  4 __cstring       0002230c 0000000000320160 DATA
  5 __ustring       0000005e 0000000000342470 DATA
  6 __dof_ruby      00001b93 00000000003424ce DATA
  7 __unwind_info   00003f9c 0000000000344064 DATA
  8 __got           00000098 0000000000348000 DATA
  9 __const         000061a0 00000000003480a0 DATA
 10 __la_symbol_ptr 00000978 0000000000350000 DATA
 11 __data          00000278 0000000000350978 DATA
 12 __thread_vars   00000030 0000000000350bf0 DATA
 13 __thread_bss    00000010 0000000000350c20 DATA
 14 __common        000003c0 0000000000350c30 BSS
 15 __bss           0000f8f8 0000000000350ff0 BSS

The Mach-O version is missing the .debug_* sections.

[nobu (Nobuyoshi Nakada)]

I agree that it will help debugging much, but also don't like such directories under bin and lib.
I'd love to install them if there is a way to locate them a separate place.

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed

Applied in changeset git|0b9242ffacd92fe02e640efb8640041e6838cb8b.

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[Misc #18153] Install debug symbol files/directories by the option