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one question

tony zhao

when i add startup.a51 ,init.a51 and C51S.LIB to my project.the link result as below:

INPUT MODULES INCLUDED: test.obj (TEST) aa.obj (AA) .\STARTUP.obj (?C_STARTUP) .\INIT_TNY.obj (?C_INIT) C:\Keil\C51\LIB\C51S.LIB (?C?COPY)

?c_init segment is not the last segment in the link process, is that right?

when i delet startup.a51 and init.a51 from project ,then rebuild it ,the segment of ?c_init is linked at the last step showed below;

INPUT MODULES INCLUDED: test.obj (TEST) aa.obj (AA) C:\Keil\C51\LIB\C51S.LIB (?C_STARTUP) C:\Keil\C51\LIB\C51S.LIB (?C?COPY) C:\Keil\C51\LIB\C51S.LIB (?C_INIT)

i think the send link is right, how about the first link step, is it right?

thanks you!

Parents
  • 0 in reply to tony zhao

    Today I try this again:
    1. the files in my project column:

    startup.a51
TEST.C(with "src" option check)
AA.C
C51S.LIB.

    2.The link proceture :

    C:\KEIL\C51\BIN\BL51.EXE .\STARTUP.obj, test.obj, aa.obj, C:\Keil\C51\LIB\C51S.LIB TO Test


INPUT MODULES INCLUDED:
  .\STARTUP.obj (?C_STARTUP)
  test.obj (TEST)
  aa.obj (AA)

  C:\Keil\C51\LIB\C51S.LIB (?C_INIT)
  C:\Keil\C51\LIB\C51S.LIB (?C?COPY)

    Then i build the project, no error,no warning.But the link proceture that the ?c_init isn't the last segment linked by BL51 maks me worry: if some globle variables with initiation in the C51s.lib and the ?c_init isn't linked at the last step. then the gloable
    variables in C51S.LIB will never be initiated because of the last space "DB 0" in ?C_INITSEG segment.

Reply
  • 0 in reply to tony zhao

    Today I try this again:
    1. the files in my project column:

    startup.a51
TEST.C(with "src" option check)
AA.C
C51S.LIB.

    2.The link proceture :

    C:\KEIL\C51\BIN\BL51.EXE .\STARTUP.obj, test.obj, aa.obj, C:\Keil\C51\LIB\C51S.LIB TO Test


INPUT MODULES INCLUDED:
  .\STARTUP.obj (?C_STARTUP)
  test.obj (TEST)
  aa.obj (AA)

  C:\Keil\C51\LIB\C51S.LIB (?C_INIT)
  C:\Keil\C51\LIB\C51S.LIB (?C?COPY)

    Then i build the project, no error,no warning.But the link proceture that the ?c_init isn't the last segment linked by BL51 maks me worry: if some globle variables with initiation in the C51s.lib and the ?c_init isn't linked at the last step. then the gloable
    variables in C51S.LIB will never be initiated because of the last space "DB 0" in ?C_INITSEG segment.

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