Subject:
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Re: Library use in LegOS
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Mon, 26 Mar 2001 00:41:43 GMT
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Viewed:
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1403 times
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Jakob "Fepp" Engblom <fepp@ieee.org> wrote in message
news:GAr7Gr.2v3@lugnet.com...
> Hi!
>
> Another technical question about LegOS: how are libraries like float • handled
> today? Is there one copy linked into LegOS, or is each downloaded program
> equipped with its own copy?
Each program gets it's own copy
> If I would use a different compiler, with a different set of libraries for
> the program and the kernel, is there the potential for namn clashes?
Hmmmm. Not sure. Wish I knew more about compiler internals...
> How much of the LegOS-gcc standard libraires come from gcc and how much • have
> been hacked specifically for legos?
It's all custom written - doesn't use the standard gcc libraries at all. In
fact when building the cross compiler, you have to tell it to forget about
the standard libraries.
HTH
ROSCO
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Message has 1 Reply:
 | | Re: Library use in LegOS
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| (...) OK. How are the calls to the kernel resolved? By the makelx program, or by some magical stuff in the linking. I can imagine compiling the kernel, getting a symbol table out, and then when compiling user programs, you use a linker DEFINE or (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.legos)
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Message is in Reply To:
| | Library use in LegOS
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| Hi! Another technical question about LegOS: how are libraries like float handled today? Is there one copy linked into LegOS, or is each downloaded program equipped with its own copy? If I would use a different compiler, with a different set of (...) (24 years ago, 25-Mar-01, to lugnet.robotics.rcx.legos)
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