How Can I Get See A Memory Map For An Executable

[Ian Lance Taylor]

Steven Woody <narkewoody@gmail.com> writes:

> i want to check in my C++ program, what variable is allocated in where. is
> there such a tool?

I don't know if it will much, but the GNU linker supports a -Map
option.  See the documentation.  You can also use nm or objdump -t or
readelf -s to see where symbols are in the fully linked executable.

> another relative question is, where the 'new' operator get memory from? the
> global heap? does it same with what 'malloc' get from?

In general, the answers are yes and yes.

Ian