Is there a way to make objdump read from stdin instead of file?

Question

In my specific case ,I want to use it to dump what I echo.

I don't want to involve any file...

Is there a way to make objdump read from stdin instead?

Answer 1

you can always do

objdump -d /dev/stdin < t2.o

or

cat t2.o | objdump -d /dev/stdin

sample

[root@myhost cc]# objdump -h /dev/stdin < t2.o

/dev/stdin: file format elf64-x86-64

Sections: Idx Name Size VMA LMA
File off Algn 0 .group 00000008 0000000000000000 0000000000000000 00000040 2**2 CONTENTS, READONLY, EXCLUDE, GROUP, LINK_ONCE_DISCARD