/Users/ranha/c_misc/embed% ~/gcc/gcc461/bin/gcc --version
gcc (GCC) 4.6.1
Copyright (C) 2011 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

/Users/ranha/c_misc/embed% ~/gcc/gcc461/bin/gcc -fno-toplevel-reorder -c prog.c
/Users/ranha/c_misc/embed% gobjdump -s prog.o

prog.o:     ファイル形式 mach-o-x86-64

セクション .text の内容:
 0000 554889e5 b8000000 005dc3             UH.......].
セクション __TEXT.__fsc_typeinfo の内容:
 000b 6d657461 64617461 00                 metadata.
セクション .eh_frame の内容:
 0018 14000000 00000000 017a5200 01781001  .........zR..x..
 0028 100c0708 90010000 34000000 1c000000  ........4.......
 0038 e0ffffff ffffffff 0b000000 00000000  ................
 0048 00040100 00000e10 86020403 0000000d  ................
 0058 06040600 00000c07 08000000 00000000  ................