Messages in this thread | | | From | Ben Pfaff <> | Subject | Re: Easier way to generate stuff like asm-offsets. | Date | Fri, 20 Nov 2009 20:43:16 -0800 |
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Kaz Kylheku <kkylheku@gmail.com> writes:
> Then we can use the ``nm'' tool (the toolchain should have binutils in it): > > $ /path/to/toolchain/bin/arch-prefix-nm -t d -P foo.c # decimal > output, posix format > offsetof_foo_member C 00000044 00000044
If those numbers are in decimal...
> There we go, 44 bytes. Simple. This is almost an #include file; > we just have to do some simple filtering, such as: > > $ /path/to/toolchain/bin/arch-prefix-nm -t d -P test.o | awk '{ print > "#define", $1, $4 }' > #define offsetof_foo_member 00000044
...then the #define is wrong because it's interpreted as octal there.
Cool trick! -- Ben Pfaff http://benpfaff.org
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