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Read-Only Author
Jerry Woo Posted
14-Oct-2002 06:21 GMT Toolset
C51 |  CANNOT DETERMINE ROOT SEGMENT Jerry Woo when i compile a programe in V6.12,the compiler gives L10 Warning:CANNOT DETERMINE ROOT SEGMENT,how to solve this problem? |
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Read-Only Author
Andrew Neil Posted
14-Oct-2002 09:31 GMT Toolset
C51 | RE: CANNOT DETERMINE ROOT SEGMENT Andrew Neil does you 'C' have a main() function? |
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Read-Only Author
Jerry Woo Posted
14-Oct-2002 15:06 GMT Toolset
C51 | RE: CANNOT DETERMINE ROOT SEGMENT Jerry Woo Thanks for your reply.Yes,my program has
main() function.How to resolve this problem? |
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Read-Only Author
Jon Ward Posted
14-Oct-2002 18:59 GMT Toolset
C51 | RE: CANNOT DETERMINE ROOT SEGMENT Jon Ward Is your main C function written in assembly or was it compiled with the SRC directive?
Jon |
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Read-Only Author
Jerry Woo Posted
15-Oct-2002 04:34 GMT Toolset
C51 | RE: CANNOT DETERMINE ROOT SEGMENT Jerry Woo Thanks.My main C function is written in C and it was not compiled with the SRC directive.
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Read-Only Author
Keil Support Intl. Posted
15-Oct-2002 06:33 GMT Toolset
C51 | RE: CANNOT DETERMINE ROOT SEGMENT Keil Support Intl. Do you have a modified STARTUP.A51 file?
Can you re-crate the problem also with example programs?
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Read-Only Author
Jerry Woo Posted
15-Oct-2002 15:32 GMT Toolset
C51 | RE: CANNOT DETERMINE ROOT SEGMENT Jerry Woo The compiler always gives the warning whether
i have a modified STARTUP.A51 file or not.It gives no warning when compiling example programs. |
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Read-Only Author
Keil Support Intl. Posted
16-Oct-2002 12:41 GMT Toolset
C51 | RE: CANNOT DETERMINE ROOT SEGMENT Keil Support Intl. So this brings it to the point: what is the difference between your application and the example programs (or other user applications).
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Read-Only Author
Daniel Schoene Posted
4-Nov-2003 17:19 GMT Toolset
C51 | RE: CANNOT DETERMINE ROOT SEGMENT Daniel Schoene Hi Jerry,
I just faced the same problem. Maybe the reason I found is applicable for you, too. When passing parameters to main() the segment name changes from ?PR?MAIN?SRC_MODULE to ?PR?_MAIN?SRC_MODULE. The problem is that the linker does not parse for this segment name -> CANNOT DETERMINE ROOT SEGMENT.
One could state that it does not make sense to pass paramters to main() in a uController application but we efford to change the linker to parse for both segment names should be acceptable. (The same amount of time to guess that the cause of this problem is ;-) |
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