Microsoft KB Archive/43128

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Producing One _TEXT Segment for Multiple Object Modules

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Q43128

6.00 6.00a 6.00ax 7.00 | 6.00 6.00a | 1.00 1.50 MS-DOS | OS/2 | WINDOWS kbtool -- The information in this article applies to: The Microsoft C/C++ Compiler (CL.EXE) included with: - Microsoft C for MS-DOS, versions 6.0, 6.0a, and 6.0ax - Microsoft C for OS/2, versions 6.0 and 6.0a - Microsoft C/C++ for MS-DOS, version 7.0 - Microsoft Visual C++ for Windows, versions 1.0 and 1.5 -- SUMMARY ======= When Microsoft C compiles an applicaiton in the medium or large memory model, it produces multiple code segments. Each logical code segment has a name of the following form _TEXT. In an application built with the small or compact memory model, the compiler generates only one logical code segment, named _TEXT. MORE INFORMATION ================ A map file lists the names of each segment and the information each segment contains. To generate a map file, specify the /Fm compiler option switch or the /M linker option switch. The following excerpt from a map file shows the segments generated linking an application with two object modules that were compiled in the small memory model: Start Stop Length Name Class 00000H 016EAH 016EBH _TEXT CODE The following excerpt from a map file shows the segments generated linking an application with two object modules that were compiled in the large memory model: Start Stop Length Name Class 00000H 0000DH 0000EH MAPL_TEXT CODE 0000EH 00023H 00016H MAP2_TEXT CODE 00024H 01B2CH 01B09H _TEXT CODE MAPL_TEXT and MAP2_TEXT contain the code contained in the MAPL.OBJ and MAP2.OBJ files, respectively. The _TEXT segment contains code from the Microsoft run-time library and any other libraries. Additional reference words: kbinf 1.00 1.50 6.00 6.00a 6.00ax 7.00 7.00a 8.00 8.00c KBCategory: kbtool KBSubcategory: CLIss

Keywords : kb16bitonly

Issue type :

Technology : kbVCsearch kbAudDeveloper kbCVCComp