$ objdump.exe -s str.o

str.o:     file format pe-i386

Contents of section .text:
 0000 5589e583 ec1883e4 f0b80000 000083c0  U...............
 0010 0f83c00f c1e804c1 e0048945 f88b45f8  ...........E..E.
 0020 e8000000 00e80000 0000c745 fc000000  ...........E....
 0030 008b45fc 890424e8 00000000 89442404  ..E...$......D$.
 0040 c7042410 000000e8 00000000 b8000000  ..$.............
 0050 00c9c390                             ....
Contents of section .rdata:
 0000 68656c6c 6f007873 61646661 73646600  hello.xsadfasdf.
 0010 25640000                             %d..