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POCompile Assembly Output generated by VC++?
 

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  1. POCompile Assembly Output generated by VC++?
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    <p>I have a simple hello world C program and compile it with /FA. As a consequence, the compiler also generates the corresponding assembly listing. Now I want to use masm/link to assemble an executable from the generated .asm listing.</p> <p>The following command line yields 3 linker errors:</p> <pre><code>\masm32\bin\ml /I"C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\include" /c /coff asm_test.asm \masm32\bin\link /SUBSYSTEM:CONSOLE /LIBPATH:"C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\lib" asm_test.obj </code></pre> <p>indicating that the C-runtime functions were not linked to the object files produced earlier:</p> <blockquote> <p>asm_test.obj : error LNK2001: unresolved external symbol @__security_check_cookie@4 asm_test.obj : error LNK2001: unresolved external symbol _printf LINK : error LNK2001: unresolved external symbol _wmainCRTStartup asm_test.exe : fatal error LNK1120: 3 unresolved externals</p> </blockquote> <p>Here is the generated assembly listing</p> <pre><code>; Listing generated by Microsoft (R) Optimizing Compiler Version 15.00.30729.01 TITLE c:\asm_test\asm_test\asm_test.cpp .686P .XMM include listing.inc .model flat INCLUDELIB OLDNAMES PUBLIC ??_C@_0O@OBPALAEI@hello?5world?$CB?6?$AA@ ; `string' EXTRN @__security_check_cookie@4:PROC EXTRN _printf:PROC ; COMDAT ??_C@_0O@OBPALAEI@hello?5world?$CB?6?$AA@ CONST SEGMENT ??_C@_0O@OBPALAEI@hello?5world?$CB?6?$AA@ DB 'hello world!', 0aH, 00H ; `string' CONST ENDS PUBLIC _wmain ; Function compile flags: /Ogtpy ; COMDAT _wmain _TEXT SEGMENT _argc$ = 8 ; size = 4 _argv$ = 12 ; size = 4 _wmain PROC ; COMDAT ; File c:\users\octon\desktop\asm_test\asm_test\asm_test.cpp ; Line 21 push OFFSET ??_C@_0O@OBPALAEI@hello?5world?$CB?6?$AA@ call _printf add esp, 4 ; Line 22 xor eax, eax ; Line 23 ret 0 _wmain ENDP _TEXT ENDS END </code></pre> <p>I am using the latest masm32 version (6.14.8444).</p> <p><strong>Update</strong>:</p> <p>As suggested by Cogwheel, I included an <code>INCLUDELIB msvcrt.lib</code> in the asm source. The program compiles and an executable is created, but the linker generates a warning:</p> <blockquote> <p>msvcrt.lib(crtmanifestrtm.obj) : warning LNK4044: unrecognized option "manifestdependency:type='win32' name='Microsoft.VC90.CRT' version='9.0.21022.8' processorArchitecture='x86' publicKeyToken='1fc8b3b9a1e18e3b'"; ignored</p> </blockquote> <p>When i start the executable, the C runtime generates the following error:</p> <blockquote> <p>Runtime error: R6034 An application has made an attempt to load the C runtime library incorrectly</p> </blockquote>
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    1. COYou've provided the path to the libraries but you didn't list any of the libraries themselves that you want to link to. I'm not sure the name of the libraries you would need to link to though (hence the comment instead of an answer).
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    2. COMaybe msvcrt.lib?
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    3. COWell, it certainly has something to do with the manifest files, but I'm pretty well stumped at this point. Maybe create a simple plain C++ project and look through the linker settings for clues?
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