24 lines
629 B
C
24 lines
629 B
C
// this specific section contains before-main function pointers
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// this pragma ensures the compilation unit will generate this section
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#pragma section(".CRT$XCU", read)
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// declare the "before main" function
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static void run_before_main_func(void);
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// set the before-main execution function pointer
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__declspec(allocate(".CRT$XCU"))
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__pragma(comment(linker, "/INCLUDE:run_before_main_ptr"))
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void (*run_before_main_ptr)(void) = run_before_main_func;
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// define the "before main" function
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int x = 0;
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static void run_before_main_func(void){
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x = 100;
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}
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// main
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#include <stdio.h>
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int main(){
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printf("x = %d\n", x);
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return(0);
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} |